Some standard content:
JCS 47.020.20
Original number: 11149-2003
Ship industry standard of the People's Republic of China
CB/T 3954—2002
Marine thermal oil heater
2002--11-20 Issued
National Defense Science, Technology and Industry Commission Issued
2003--02-01 Implementation
This standard is issued by Changzhou Shipbuilding Industry Group Corporation. Before
This standard belongs to the Institute of Technology and Economics of Changzhou Industrial Development Zone - The original unit of this standard: Changzhou Energy Preparation General Factory, the Institute of Technology and Economics of the First and Intelligent Industry This standard should be the original person: Ka Chuan, Wang Yunxiang, Jin Haiou, He Zhengqiu, Zhong Class B/T 39542002
1 Scope
Marine hot oil boiler
CB/T3954—2002
This standard specifies the requirements, quality assurance and delivery preparation of marine hot oil boilers (hereinafter referred to as hot oil boilers) heated by mild shock (light, manual, etc.) or high temperature.
This standard specifies the design temperature of not less than 0.6M, the operating temperature not higher than 1250℃, and the design, manufacture, verification and acceptance of hot oil with a working temperature of not less than 1 month and a circulating hot oil temperature. 2 Normative references
The following normative documents become the provisions of this standard through the use of the standard: The following reference documents with the specified period or edition, any subsequent documents and revised versions are not applicable to this standard. The latest version of this standard shall apply to all operators who use this standard! Energy type: The following are not marked with H period or service time and text, the new length of this standard is applicable to this place. CB/T191 Packaging storage indication mark
[F3087-1999 Low and medium industry boiler unit regulation pipe E6/T3211-1991 Water system flow length measurement method 6R/216-1989 High-5 East, code flow table, block flow and vortex system test method Part/T2?1937 Pin fusion welding butt joint new heat carrier quality classification GB/:5312-1533 Marine carbon silver and carbon manganese silver chain-free steel GB/5465
Boiler combustion dust test method
Marine guessing vehicle boiler modification penetrator strength and impact test method GR/T--a37
G1313271 Boiler protection air pollutant emission standard G3/1 14649
Jiezhou Auxiliary Steel Expanded Group* Energy Method Test Pool
G3/T17410
Organic Heat Carrier Furnace
B/T100 Carbide Ring Combustion System
B/T3161—1992 Technical Conditions for Service and Protection Control BoxCB/3752 Mechanical Pressure Small Burner
Lipid Furnace Virtual Property Must Be Tested Before Entry
CT5 3024
Steel foot welded pressure vessel
[B/T4763
Wenzhou Steel Fenghai Ship Classification and Construction Specifications 3
3 Requirements
China Stock Grade 200
3.1.1 Selection of hot-dip furnace material 3/16312-1999* not less than 360 grade or 360G grade steel: also use steel with 10 or 20 sawn in accordance with 10871999, and the pressure performance is not less than that of the blue material. 3.1.2 The ignition point of the pyrolysis material should not be lower than the daily ignition point of the hot oil in the pipe. 3.1.3 The components of the whole pipeline shall be made of cast iron minus non-ferrous metal. 3.2 Design
3.2.1 Thermal power
The rated power of the hot oil boiler is calculated according to the table: CB/T 9954-2002
3.2. 2 Strength
The heat strength calculation is carried out for the relevant parts of the boiler and the pressure piercing of steel seagoing ships in accordance with the construction regulations. The design pressure is T for F plus 0.3P and 0.6 3.2.3 Hot oil flow rate The flow rate of hot oil in the hot water furnace should not be less than 2m/s, and the flow rate of hot oil in the pipe should not be less than 1.0m/s due to convection heating. 3.2.4 Hot oil injection system The hot oil collection cabinet, hot oil circulation system, combustion chamber, control system and other equipment and service lines should be installed. 3.2.5 Hot oil furnace body 3.2.5.1 The hot oil inlet and outlet valves should be able to be controlled from outside the place, or a device that can release the hot oil from the two cabinets by gravity should be installed. 3.2.5.2 The hot oil expansion device shall be permanently connected to the fire system: 3.2.5.3 In addition to the fixed fire extinguishing device, a cooling and dehumidification system shall be installed for a heating type hot furnace (if there is a special system with sufficient water):
3.2.5.4 The gas-fired hot furnace shall have an appropriate water drainage channel down the mountain. 9.2.8 Hot oil collection cabinet
32.6.1 The total amount of hot oil in the hot oil furnace shall not be less than 1.? 36.2 The outlet should be equipped with a ventilation pipe on the upper part, which can be used to prevent the outlet from leaking. The outlet should be equipped with a protective source:
Rely on the island rate
509 -·J030
>100C---4C0
>i:69 -210n
>2400-·4600
e0--12u00
3.27 The diameter of the expansion cabinet and the expansion pipe of the upstream gas pool is nominal. 3.2.7.1 The total volume of the hot oil expansion cabinet and the hot oil collection cabinet should be less than 1.3 of the hot oil in the hot oil furnace system under high temperature and pressure. The expansion pipe of the special expansion cabinet is directly connected to the oil collection cabinet. 2
CB/T 3954—2002
3.2.7.2 When heating the flash point below 0℃: the cabinet is equipped with a low liquid alarm, and measures for detecting flammable liquids and gases should be installed inside.
3.2.7.3 The grinding cabinet's device should be able to control the blood from the inside and outside of the exchange place of the account rejection, promote the heat dissipation in the standard by the annual patrol backflow and tear machine: the book: for the heat injection collection, the collection protection production increases the capacity of this part, 9.2.7.4, the hot oil furnace pipe drop system and the expansion pipe connected with the service rejection meet the following requirements) the report pipe flow to change production, its stop bending angle is not less than 120-! h) Xie non-pipe does not meet the east installation net door, there shall be no shrinkage part:! Expansion pipe, stagnant pipe. The main diameter of the custody and exhaust pipe shall meet the requirements of the clothing 2. 3.2.8 The environmental conditions, shrinkage performance, structure and technical requirements of the control box shall meet the requirements of /3161-121.1, 4.2, 2.5.
3.2.9 Burner
3.2.9.1 Mechanical pressure type, rotary type, hot steam (air) atomization type, 3.2.9.2 Machine pressure alarm mode, frequency converter shall comply with the requirements of 3/3752: Rotary cup type, hot air! Customized type, shall have digital control function, full protection function and alarm function: 3.2.10 Heat pump
3.2.10.2 The material of heat pump shall be resistant to hot oil. 3.2.10.3 The flow rate of hot oil after rolling at the designated point, heat process, auxiliary speed, cavitation residual product storage and printing shall comply with the requirements of /3216-1939 and /33-1-11. 3.2.10.4 Heat dissipation system 3.2.11
3.211.1 The system should be equipped with at least one hot oil and pump, the central one is for use. The flow and material selection of the circulating pump should meet the requirements of the entire system to ensure that the hot oil can reach the required flow return in 3.2.3. 3.2.11.2 The system should be equipped with a compensator or a service joint, and a staggered oil supply should be set. When the system pipeline length exceeds 15m, the heat supply should be provided.
9.2.11.3 The system should be equipped with a heat receiving valve: 1. Install it on the hot oil main line of the hot oil boiler. 3.2.11.4 The hot oil tunnel should be installed at the highest point of the system, but it should not be installed above the hot injection furnace: the direct victory set between the hot oil receiving part and the hot oil protection part is less than 1.5m. 3.2.11.5 The machine should be placed in a low position. 3.2.11.6 The emergency test device of the system should be able to meet the "AIT0" requirements specified in the third standard of the engine room construction specification.
3.2.1.7 The hot oil boiler should take thermal insulation measures for the pipeline system. The surface temperature of the insulation should not exceed 60°C. Other thermal insulation measures: The heat drift in the expansion tank should not exceed 60°C. Flange joints should not be used. 3.3 Performance characteristics
3.3.1. The thermal efficiency of the hot oil furnace should be less than or equal to the rated load. 3.3.2 The hot oil furnace should have a thermal load of 11V. 3.3.3 The hot oil furnace gas temperature is 327 bottles. 3.3.4 After the hot oil furnace tube is shaped, it should be able to withstand 2 times the designed opening of the liquid! : After the furnace tube is assembled, it should be able to withstand 1.5 times the designed stop liquid industry, and the residual shape of the light filling can be
3.4 Interface
CB/T 3964—2002
The inlet and outlet of the nuclear oil furnace pipeline should be connected with a concave flange with a pressure of not less than [.P. It is better to use a nominal five-force square flange when the natural oil temperature exceeds 30. Flange gaskets for hot oil pipelines should be made of gold sintered stone whole pieces or inductive non-composite gaskets. 3.5 Environmental adaptability 3.5.1 It should be able to work normally under the following conditions: 1) 15°C; 2) 0.15°C; 3) 0.25°C; 4) 0.35°C; 5) 0.45°C; 6) 0.5°C; 7) 10°C; 8) 3.6 Reliability 3.6. The hot oil furnace should be able to operate safely and reliably under the specified conditions of use and normal maintenance: 3.6.2 The service life of the hot oil furnace should be no less than 100% under the specified conditions of use and normal maintenance, with a service life of 5-11G.
3.7 Performance
3. The hot oil burner, control unit, heat pump and sensor components should be convenient for maintenance. 3.7.2 Inspection holes should be set at necessary locations for easy maintenance. 3.B Safety
The overheat protection should have the following automatic control and protection devices: 3.8.1:
According to the hot oil outlet temperature or system load changes, the burner fuel load should be adjusted according to the hot oil outlet temperature or system load changes. h)
The fuel filter has a ignition control device: flameout protection device:
The hot oil furnace outlet is equipped with an over-temperature alarm device: e
The low liquid alarm device:
F) When the hot oil in operation is reduced to the full set value, its standby function should be activated: The hot oil furnace should be equipped with a safety valve.
The hot pool furnace should be able to automatically stop the furnace in the following situations: 3.8.2
When the hot oil liquid level drops to the limit (low liquid level); When the hot oil temperature in the hot pool furnace exceeds the allowable value (temperature drop); When the circulating oil system stops (temperature drop);
3.9.1 The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessels of the hot pool furnace should be welded by gas arc welding or rat arc welding. 3.9.3 The weld surface should be in good shape. The furnace seam should be smooth and pulled to the base material, and the weld width should be uniform. 3.9.4 The weld surface should be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Perform according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Perform according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Perform according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used:
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—20024 After the hot oil furnace tube is shaped, it should be able to withstand 2 times the design opening 1 small liquid! : After the furnace tube is assembled, it should be able to withstand 1.5 times the design stop small production liquid industry, and the residual shape that can be filled with light
3.4 Interface
CB/T 3964—2002
The inlet and outlet connections of the nuclear oil furnace pipeline should be pressed out not less than [.P to allow the use of concave flanges. It is best to use a nominal five-force method sheep when the oil temperature exceeds 30. Flange gaskets for hot oil pipelines should be made of gold sintered stone whole pieces or inductive non-composite gaskets. 3.5 Environmental adaptability 3.5.1 It should be able to work normally under the following conditions: 1) 15°C; 2) 0.15°C; 3) 0.25°C; 4) 0.35°C; 5) 0.45°C; 6) 0.5°C; 7) 10°C; 8) 3.6 Reliability 3.6. The hot oil furnace should be able to operate safely and reliably under the specified conditions of use and normal maintenance: 3.6.2 The service life of the hot oil furnace should be no less than 100% under the specified conditions of use and normal maintenance, with a service life of 5-11G.
3.7 Performance
3. The hot oil burner, control unit, heat pump and sensor components should be convenient for maintenance. 3.7.2 Inspection holes should be set at necessary locations for easy maintenance. 3.B Safety
The overheat protection should have the following automatic control and protection devices: 3.8.1:
According to the hot oil outlet temperature or system load changes, the burner fuel load should be adjusted according to the hot oil outlet temperature or system load changes. h)
The fuel filter has a ignition control device: flameout protection device:
The hot oil furnace outlet is equipped with an over-temperature alarm device: e
The low liquid alarm device:
F) When the hot oil in operation is reduced to the full set value, its standby function should be activated: The hot oil furnace should be equipped with a safety valve.
The hot pool furnace should be able to automatically stop the furnace in the following situations: 3.8.2
When the hot oil liquid level drops to the limit (low liquid level); When the hot oil temperature in the hot pool furnace exceeds the allowable value (temperature drop); When the circulating oil system stops (temperature drop);
3.9.1 The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessels of the hot pool furnace should be welded by gas arc welding or rat arc welding. 3.9.3 The weld surface should be in good shape. The furnace seam should be smooth and pulled to the base material, and the weld width should be uniform. 3.9.4 The weld surface should be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Carry out pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the furnace with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Carry out according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Carry out according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Carry out according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used:
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—20024 After the hot oil furnace tube is shaped, it should be able to withstand 2 times the design opening 1 small liquid! : After the furnace tube is assembled, it should be able to withstand 1.5 times the design stop small production liquid industry, and the residual shape that can be filled with light
3.4 Interface
CB/T 3964—2002
The inlet and outlet connections of the nuclear oil furnace pipeline should be pressed out not less than [.P to allow the use of concave flanges. It is best to use a nominal five-force method sheep when the oil temperature exceeds 30. Flange gaskets for hot oil pipelines should be made of gold sintered stone whole pieces or inductive non-composite gaskets. 3.5 Environmental adaptability 3.5.1 It should be able to work normally under the following conditions: 1) 15°C; 2) 0.15°C; 3) 0.25°C; 4) 0.35°C; 5) 0.45°C; 6) 0.5°C; 7) 10°C; 8) 3.6 Reliability 3.6. The hot oil furnace should be able to operate safely and reliably under the specified conditions of use and normal maintenance: 3.6.2 The service life of the hot oil furnace should be no less than 100% under the specified conditions of use and normal maintenance, with a service life of 5-11G.
3.7 Performance
3. The hot oil burner, control unit, heat pump and sensor components should be convenient for maintenance. 3.7.2 Inspection holes should be set at necessary locations for easy maintenance. 3.B Safety
The overheat protection should have the following automatic control and protection devices: 3.8.1:
According to the hot oil outlet temperature or system load changes, the burner fuel load should be adjusted according to the hot oil outlet temperature or system load changes. h)
The fuel filter has a ignition control device: flameout protection device:
The hot oil furnace outlet is equipped with an over-temperature alarm device: e
The low liquid alarm device:
F) When the hot oil in operation is reduced to the full set value, its standby function should be activated: The hot oil furnace should be equipped with a safety valve.
The hot pool furnace should be able to automatically stop the furnace in the following situations: 3.8.2
When the hot oil liquid level drops to the limit (low liquid level); When the hot oil temperature in the hot pool furnace exceeds the allowable value (temperature drop); When the circulating oil system stops (temperature drop);
3.9.1 The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessels of the hot pool furnace should be welded by gas arc welding or rat arc welding. 3.9.3 The weld surface should be in good shape. The furnace seam should be smooth and pulled to the base material, and the weld width should be uniform. 3.9.4 The weld surface should be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Perform according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Perform according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Perform according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used: bZxz.net
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—20025 Environmental adaptability
3.5.1 It should be able to work normally under the following conditions of use: 1) temperature +15°C; 2) temperature +22.5″, cycle 10s, period 10s. 3.6 Reliability
3.6. The hot oil boiler should be able to operate reliably under the specified conditions of use and normal maintenance: 3.6.2 The service life of the hot oil boiler should not be less than 100% under the specified conditions of use and normal maintenance, with a service life of 5-11G.
3.7 Reliability
3. The hot oil burner, control unit, heat pump and sensor components should be easy to maintain. 3.7.2 Inspection holes should be provided at necessary positions for easy inspection and maintenance. 3.B Safety
The overheat protection should have automatic control and protection devices: 3.8.1:
According to the change of hot oil outlet temperature or system load, the burner fuel load should be adjusted; h) The fuel filter should have a digital ignition control device:
The hot oil furnace should be equipped with an over-temperature alarm device at the outlet: e) The service cabinet should have a low liquid alarm device:
F) When the pressure of the hot oil in operation drops below the set value, its standby function should be activated: The hot oil furnace should be equipped with a safety valve.
The hot pool furnace should be able to automatically stop the furnace in the following situations: 3.8.2
When the hot oil liquid level drops to the limit (low liquid level); When the hot oil temperature in the hot pool furnace exceeds the allowable value (temperature drop); When the circulating oil system stops (temperature drop);
3.9.1 The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessels of the hot pool furnace should be welded by gas arc welding or rat arc welding. 3.9.3 The weld surface should be in good shape. The furnace seam should be smooth and pulled to the base material, and the weld width should be uniform. 3.9.4 The weld surface should be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Perform according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Perform according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Perform according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used:
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—20025 Environmental adaptability
3.5.1 It should be able to work normally under the following conditions of use: 1) temperature +15°C; 2) temperature +22.5″, cycle 10s, period 10s. 3.6 Reliability
3.6. The hot oil boiler should be able to operate reliably under the specified conditions of use and normal maintenance: 3.6.2 The service life of the hot oil boiler should not be less than 100% under the specified conditions of use and normal maintenance, with a service life of 5-11G.
3.7 Reliability
3. The hot oil burner, control unit, heat pump and sensor components should be easy to maintain. 3.7.2 Inspection holes should be provided at necessary positions for easy inspection and maintenance. 3.B Safety
The overheat protection should have automatic control and protection devices: 3.8.1:
According to the change of hot oil outlet temperature or system load, the burner fuel load should be adjusted; h) The fuel filter should have a digital ignition control device:
The hot oil furnace should be equipped with an over-temperature alarm device at the outlet: e) The service cabinet should have a low liquid alarm device:
F) When the pressure of the hot oil in operation drops below the set value, its standby function should be activated: The hot oil furnace should be equipped with a safety valve.
The hot pool furnace should be able to automatically stop the furnace in the following situations: 3.8.2
When the hot oil liquid level drops to the limit (low liquid level); When the hot oil temperature in the hot pool furnace exceeds the allowable value (temperature drop); When the circulating oil system stops (temperature drop);
3.9.1 The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessels of the hot pool furnace should be welded by gas arc welding or rat arc welding. 3.9.3 The weld surface should be in good shape. The furnace seam should be smooth and pulled to the base material, and the weld width should be uniform. 3.9.4 The weld surface should be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Perform according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Perform according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Perform according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used:
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—2002
According to the change of hot oil outlet temperature or system load, only adjust the burner fuel load setting h)
The fuel filter has a random ignition control device: flameout protection device:
Hot oil furnace outlet is equipped with over-temperature alarm device: e
Service cabinet low liquid alarm device:
F) When the pressure of the hot oil in operation drops to the full set value, its standby should be activated: The hot oil furnace should be equipped with a safety valve.
The hot oil furnace should be able to automatically stop the furnace in the following situations: 3. 8.2
When the hot oil liquid level drops to the limit (low liquid level)
When the hot oil temperature exceeds the allowable value (commercial temperature):
When the circulating oil system stops (low temperature)
3.9.1The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessel in the heat test furnace shall be welded by gas shielded arc welding or rat arc welding. 3.9.3 The weld surface shall be in good shape. The furnace seam shall be smoothly rolled to the parent material, and the weld width shall be uniform. 3.9.4 The weld surface shall be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a point thermometer. The result shall meet the requirements of 3.2.1.7. 4.5.8 Thermal efficiency measurement
Perform according to the method specified in GB/T【4649. The result shall meet the requirements of 3.3.1. 4.5.9 Thermal power measurement
Perform according to the method specified in R/T14649: The product shall meet the requirements of 3.3.2. 4.5.10 Smoke emission and gas blackness
Perform according to the method specified in CB/546R. The drill bit meets the requirements of 3.3.3. 1.5.11 Safety protection and alarm
The safety protection and alarm device of the hot oil furnace are tested by the modeling method. The results meet the requirements of 3.5 Delivery preparation
5.1 Protective packaging
5.1.1 The hot oil furnace is in the form of naked packaging. The pipe mouth and the Damis Mountain (the nominal diameter is not more than 2…) use weak protection. The material of the plate and film should not be used:
5.1.2 The inductive film is in the form of a box.
5.1.3 The packaging and storage labeling should comply with the provisions of B191. 5.t.4 The main machine shall provide production documents and technical documents; 1. Instruction card:
; General installation drawing:
; Basic strip diagram:
; Circuit diagram, connection diagram:
; System schematic diagram:
; Pressure-bearing components
; Supply list:
; Quality certificate:
; Inspection certificate:
; 5.2 Transportation and storage
; 5.2.1 The hot oil furnace must be fixed with steel wire! It is strictly forbidden to produce the phenomenon of rate movement. 5.2.2 When the hot oil furnace is stored indoors: it must not be mixed with the shell and the gas of the spray clock. 5.2.3 When the hot oil is placed outdoors, it must be protected from moisture, rain, sun and staleness. When the ambient temperature is lower than 1 degree, the furnace tube shall not be easily frozen (water, etc.), so as to prevent the furnace tube from being cracked. 53 Marking
Each heating furnace shall be equipped with a yellow stainless steel nameplate at the strong position, which shall indicate: a) Product model and name:
5) Main technical specifications (heating efficiency, working pressure, maximum working temperature, etc.): c) Total weight of the furnace:
Manufacturer's name:
Product factory:
Inspection mark:
Manufacture date.
CB/T 3954—2002
According to the change of hot oil outlet temperature or system load, only adjust the burner fuel load setting h)
The fuel filter has a random ignition control device: flameout protection device:
Hot oil furnace outlet is equipped with over-temperature alarm device: e
Service cabinet low liquid alarm device:
F) When the pressure of the hot oil in operation drops to the full set value, its standby should be activated: The hot oil furnace should be equipped with a safety valve.
The hot oil furnace should be able to automatically stop the furnace in the following situations: 3. 8.2
When the hot oil liquid level drops to the limit (low liquid level)
When the hot oil temperature exceeds the allowable value (commercial temperature):
When the circulating oil system stops (low temperature)
3.9.1The furnace tube and the header and pipeline should be connected by welding. 39.2 The butt weld of the heated vessel in the heat test furnace shall be welded by gas shielded arc welding or rat arc welding. 3.9.3 The weld surface shall be in good shape. The furnace seam shall be smoothly rolled to the parent material, and the weld width shall be uniform. 3.9.4 The weld surface shall be free of baby lines, woodiness, fire, and nodules. The source seam (including pipe welding) should not exceed 1.5% of the total length of the weld and the reverse welding key (%. The weld should not exceed the total length of the weld. 3.10 Non-destructive inspection 3.10.1 The joints of the heated surface pipes should be subjected to a radiographic inspection for no less than 100% of the joint. When the hot oil temperature exceeds 3CC, the pipes should be subjected to non-destructive inspection at a load of about 100%. 3.10.2 Radiographic inspection 3.11.1 The allowable deviation of the coil manufacturing, the flatness and misalignment of the two adjacent ridges and the reduction test of the pipe. The requirements of GB/T17110 shall be met.
311.2 The manufacturing process of the cabinet shall comply with the requirements of 6/T4753. 4
4 Quality Assurance Provisions
4.1 Inspection Classification
According to the inspection and testing equipment, it is divided into two categories: identification verification and quality inspection. 4.2 Inspection Conditions
Unless otherwise specified, all inspections shall be carried out in accordance with the following conditions: Identification Inspection
All inspections shall be carried out in accordance with the following conditions: New product testing:
Transfer, the first production of "
Product parts are revised by the person in charge:
When the inspection department puts forward the inspection requirements, the inspection items are generally determined in Table 3:
CB/T3964-2002
The product will be strictly judged as qualified after the qualification is issued. If the inspection item does not meet the requirements of the equipment, the inspection date and the approval date will be updated or only the items that do not meet the requirements will be updated! If there are items that do not meet the requirements, the inspection will be judged as unqualified. The consistency inspection
The inspection is carried out according to the provisions of Table 3. If the heat furnace technology exceeds the "number of inspection items →", the product should be taken in the process. For the non-standard H-type, the inspection is carried out: if necessary, the inspection of the umbrella items is carried out on the new traces in Table 3
good error ignores the metal test
to obtain and receive protection
wave pressure ratio test
method desire rate
thermal rate
science non-release,
safety protection. 15 Test methods
4.5.1 Material inspection
Article 15 Quality control
According to the method of E3924, the material secretion is inspected: the requirements of 3.1 should be met: 4.5.2 Weld appearance inspection
must meet the requirements
3. 9. 7, 3. 5. 4
5. 2. 11. 7
Daily test and use: Check the outer surface of the seam, and the results shall meet the requirements of 3.9.3: 3.9.4.4.5.3 Weld inspection
Inspect the weld wall according to the method specified in door 2
The results shall meet the requirements of 7.10.
CB/T 3954-2002
4.5.4 Coil inspection
Inspect the strip pipe method according to the method specified in GB/:7110. The results shall meet the requirements of 3.11.1.4.5.5 Filter cabinets and collection cabinets
Inspect the membrane filter and collection teeth according to the filter specified in JB/14753. The results shall meet the requirements of 3.11.2. 4.5.6 Pressure test
Perform pressure test according to the method specified in G3/T11037, and the result shall meet the requirements of 3.3.4. 4.5.7 Wall temperature measurement
Measure the temperature of the hot plate with a p
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