Some standard content:
TC827.0e0
Machinery Industry Standard of the People's Republic of China
JB/10393—2002
Technical Conditions for Electric Heating Boilers
Specification for electric boilers2002-12-27Published
2003-04-01Implementation
Published by the State Economic and Trade Commission of the People's Republic of China
Normative Reference Documents
Technical Terms and definitions
Effective series...
Type square wave conduction cat
Technical requirements
Basic technical requirements
Workmanship performance.
Manufacturing requirements
Light measurement and control equipment and functional requirements
Electrical safety requirements
6.6 Accessories and accessories
7 Verification and testing
8 Marking and random accessories
9 Safety meter and user requirements
1 Quality belt.
Meter! This standard is proposed by China Machinery Industry Association. Foreword This standard is managed by the National Technical Committee for Boiler Standardization (CSDTS/TC73) JBrT10393-2002. The responsible drafting units of this standard are: Shanghai Industrial Boiler Research Institute, China Electric Power Company Power Demand Side Management Guidance Center, and the participating units of this standard are: Shanghai Guangan Engineering Application Technology Co., Ltd., Huzhou Huadian Huayuan Environmental Engineering Co., Ltd., Beijing Depuwell Energy Technology Co., Ltd., Guangzhou Desen Thermal Energy Investment Technology Co., Ltd., Shanghai Dolby Technologies Co., Ltd., Xuzhou Zhonghuan Thermal Equipment Co., Ltd., Zhangjiabao Reer Electric Products Development Co., Ltd., Guangqing Zhide Thermal Industry Co., Ltd., Zhenjiang Dongfang Refrigeration Transportation Equipment Ingredients Co., Ltd.
Main contributors to this standard: Chen Guoyan, Qian Fenghua, Zhang Hongyi, Yuan Peisheng TIT
.TB/r 10393—2002
With the continuous development of my country's power industry and the continuous improvement of environmental protection requirements, the production and use of self-heating boilers with electricity as the energy source have formed a certain pattern. In particular, the recently developed heat-type electric heating steel system can play a role in shifting peaks and filling valleys to balance the load of the power grid, and has played a positive role in improving the utilization of electric resources and the market, and in the reasonable adjustment of my country's energy structure, and in the coordinated development of society, economy, and environment, and has achieved good economic and social benefits. The formulation of this standard will play a significant role in promoting the technological progress and development of electric heating steel products.
1 Scope
Technical conditions for electric heating boilers
JB/T10393—2002
This standard defines the definition, parameter series, model card compilation method, technical requirements, inspection and testing, marking and accompanying documents, installation requirements and quality assurance of electric heating steel furnaces. This machine is suitable for fixed electric heating point decomposition furnaces with rated working voltage not less than 40V and rated evaporation load not less than .Uh and fixed electric heating hot water boilers with rated thermal power not less than 0.05MW. 2 Normative references
The clauses in the listed documents are not standard or semi-standard clauses. For the cited documents with a date, the subsequent rectification list (excluding the contents of the gradual correction) and revision are not applicable to the standard. However, the parties to the agreement are investigating whether the latest version of this document can be used. For the cited documents without a date, the latest version is applicable. G157G Industrial boiler water quality
GHT192)
1 Industrial steam boiler user parameter series
GR/T2900.48 Self-made boiler GB/T3166 Hot water steel furnace series
GEB/T328U Cold rolled steel plate
GR,T 3797
Electrical control equipment Part 2: Control equipment equipped with electronic devices GB/T4237 Stainless steel hot-rolled steel cylinders
GB/T5226.1 Industrial machinery or electrical equipment Part 1: General technical conditions for pressure-controlled basic switches and control equipment Part 1: Type reduction and partial type test of inductive load equipment GB 725.1
Calculation of strength of core parts of water tube boiler
GBT9222
GR/T1Q180
1. Performance test program of industrial boiler
GB13955
Installation and operation of seawater protection device
GB/T14048. General provisions for low voltage switchgear and control equipment GB/T16508
Calculation of pressure parts of shell boiler
GBS0041
Design specification of boiler room
GR50054 Design specification of low voltage power distribution
Design specification of electric heating equipment and power equipment
GB50056
GB 50169
GR5017
GBS024
GBS025S
Electrical installation installation and acceptance standards Electrical installation frame, tray, shield and two-way connection and acceptance standards Electrical installation engineering High-voltage electrical equipment installation and acceptance standards Electrical installation engineering Power conversion equipment installation and acceptance standards Boiler installation and acceptance standards
GR50273
CBJ149 Electrical installation engineering Busbar installation and acceptance standards BJ1609 Steel furnace tin manufacturing technology water system
JB/1612
JB/T1613
JB/T16 19
Technical conditions for boiler water pressure test
Technical conditions for welding of boiler pressure elements
Technical requirements for boiler body construction
Technical conditions for boiler steel structure
JB/T162
JB/T10393—2002
R/T1626
FB/T219
JB/T2191
JA/T2379
JB/T3375
Product specification reduction method for industrial boilers
Manhole and head hole device for boiler adjustment
Hand hole device for boiler
Metal pipe and electric heating element
Materials for boilers! Acceptance rules
Marking and marking regulations for products
JR/T308
JB/17985
Technical regulations for small boilers and pressurized water-fired furnaces JB.T10094 Technical conditions for industrial boilers
Safety technical supervision regulations for steam boilers
Safety technical supervision regulations for hot water boilers
Safety technical supervision regulations for small and pressurized hot water boilers 3 Terms and definitions
The following terms and definitions established in G/T29D.4R and the following terms and definitions apply to this standard. Electric heating boilers
Equipment that uses electric energy to heat water to obtain a specified amount of steam and hot water: 4 Potential series
The parameter series of electric heating products conforms to the provisions of GB[92], GB/T3166 and JB/T7985. 5 Model compilation method
The model compilation method of electric heating boiler products shall comply with the compilation principles specified in JB/126/UB7985. 6 Technical requirements
6.1 Technical requirements
6.1.1 The design, manufacture, installation and use of electric heating boilers shall comply with the relevant provisions of the "Safety Technical Supervision Regulations for Steam Belt Furnaces" or the "Safety Technical Supervision Regulations for Small and Pressurized Hot Water Steel Furnaces" 6.1, 2. The furnace structure shall have sufficient strength, rigidity, stability and insulation, and shall also be easy to manufacture, install, dissipate and dissolve. 6.1.3 The strength calculation of the pressure-bearing components of the electric heating steel furnace shall be carried out according to its structural type and working conditions in accordance with the provisions of (3/T16.508 or (B/T9222). The allowable stress of stainless steel materials shall be calculated and determined in accordance with the provisions of GBT16508 or GBT9222. 6.1.4 Electric heating boiler The electric heating elements of the furnace should be arranged reasonably in the pot to ensure good cooling, safety and easy installation, disassembly, inspection and cleaning. The lowest safe water level of the boiler should be 75mm1 higher than the highest heating part of the electric heating element. 6.1.5 The design of the electric device of the heating furnace should comply with the provisions of GB50056. 6.1.6 The electric heating furnace should be well insulated, and the temperature of the outer surface of the pot should be less than 50°C. 6.2 Thermal performance
The thermal performance of the electric heating furnace should comply with the provisions of B/T7985 and JBT10094. The furnace should ensure the rated output or rated heating power under the rated seasonal effect, and the thermal efficiency should not be less than 97% (small boilers and normal pressure hot water boilers should not be less than %). 6. Manufacturing requirements
6.3.1 Electric heating decomposition furnace products shall be manufactured in accordance with the specified procedures and samples and technical specifications. 6.3.2 The materials of the main parts of the boiler shall be selected in accordance with the "Safety Technical Supervision Regulations for Steam Scroll Boilers" or (and) "Safety Technical Supervision Regulations for Hot Water Boilers" or "Safety Supervision Regulations for Small and Pressurized Hot Water Boilers". In addition, CT13A1 ferrite stainless steel in GB/T3280 or GB/T4237 may also be selected. For materials that require factory acceptance, factory acceptance shall be carried out in accordance with B/T375. The material substitution of boiler pressure components shall comply with the specified procedures.
JB/T10393-2002
.3.3 The manufacturing and assembly of the boiler shall comply with the standards of JR/T1609, I1613, JB/T11619, JB/T1620, JB/T2191, JB/T219[, B1.303-, etc. 6.3.4 The metal replacement electric heating elements of the heat exchange furnace shall comply with the provisions of GB/T 2379, and other types of electric heating elements shall comply with their respective product standards. When stainless steel is used for the metal-pressed pipe, stainless steel shall be used. 6.3.5 The power analysis and control of the electric heating pot shall comply with the provisions of GB/T14048.1, GB/T5226.1, GB7251.1, (/T3797, GBUS4. The power cabinet shall be equipped with a clear number of disconnecting devices, and the control cabinet shall be equipped with an emergency stop plan. The selected intermediate components shall meet the requirements of dynamic stability and thermal stability under short-circuit conditions, and the electrical components shall have the ability to disconnect short-circuit current under full-circuit conditions. 6.3.6 The electrical system of the electric heating hook shall be connected and connected. The connection between the wire and the extension wire terminal should be in accordance with the provisions of BJ149, and the market load should be allowed. The specification: small inspection and adjustment should comply with relevant standards and safety requirements. 6.4 Detection and control requirements 6.4.1 The inspection and control instruments and equipment of the electric heating furnace must comply with the requirements of the steam boiler safety technical supervision regulations 3 or (and) the steel furnace safety technical supervision regulations 3. The small pressure hot water boiler expansion must be fully monitored. 6.4.2 The steel furnace should be equipped with production capacity, water, and other display instruments as required: 6.4.3 The heat recovery furnace should be equipped with three meters, lightning meters, and power meters, and it is advisable to be equipped with active power meters with attack rates. The steam boiler should be equipped with a water inlet control device. 6.4.4
The steel furnace should be equipped with electric heating elements and divided into operation and exit operation. Automatic control device. 6.4.5
boiler should be automatically adjusted when the pressure exceeds or is lower than the set value, or the outlet water temperature of the hot water boiler exceeds or exceeds the set value, the control capacity should be able to automatically reduce the power of the boiler. B.4.7 Boilers with steam (gas) water interface should be equipped with water shortage protection device: when the water level is too low, the electric heating element power supply should be cut off, an alarm signal should be issued, and the operation can be restarted after manual reset. 4.8 The boiler should be equipped with overpressure protection device. When the pressure exceeds the set value, the electric heating element power supply should be cut off, an alarm signal should be issued, and the operation can be restarted after manual reset. 6.1.9 Hot water boilers should be equipped with outlet water temperature protection device. When the outlet humidity exceeds the limit, the power supply of the electric heating element is cut off and an alarm is issued. The design should be restarted after manual reset. 6.5 Electrical safety requirements
.5.1 The electric heating furnace has reliable electrical insulation performance: the insulation between the live circuit in the control device and the live circuit and the ground, between the conductor and the body, and between the electric heating element and the body! The insulation composition is not less than M, 6.6.2 The boiler and its small resistor, the metal body of the control resistor or the metal pressure parts that may cause power failure and the reverse connection should have a reliable good air connection, and the reverse connection resistance between the air and the ground shall not be greater than 0.1. The connection pool should be of sufficient size to withstand the maximum possible ground current. The grounding furnace and its power cabinet and control cabinet should be marked with obvious grounding symbols on the grounding end. 6.5.3 The electric heating end of the furnace should have sufficient electrical strength and should be able to withstand a 1-minute voltage test of 2k0V in cold state and 10kKV in hot state, 50°C, without any shock or flashover. 654. The electric heating steel facilities should be equipped with micro protection, short circuit protection, surface protection, and voltage compensation protection cabinet. 6.6 Requirements for auxiliary machines and accessories
6.6.1 The auxiliary machines and accessories of the turbine furnace should meet the energy requirements of the product and meet the product standards of each country. 6.6.2 The water treatment equipment used for the steel furnace should be able to ensure that the water quality of the furnace feed water meets the requirements of G1576. 6.6.3 The noise of the auxiliary machines of the steel furnace should meet the requirements of GB5041. 8.6.4 The complete set of boiler products shall include the boiler door, instrument, water supply device, detection and measurement equipment, power lifting control cabinet, etc. The specific requirements shall be as per the order contract. 7 Inspection and trial operation
7.1 The design and quality of the boiler shall be inspected in accordance with the product drawings and technical documents and JB/T1609, J3/T1613, JB/T1619, JB/T1620, JB/T2190, JB/T2191 and JB/T4308: JB/T10393-2002
7.2 The welding quality of pressure electric heating boiler shall be inspected in accordance with the requirements of JB/T1613, and the welding quality of small boiler and normal pressure water-fired boiler shall be inspected in accordance with the requirements of JB/T1613. 7.3 The welding quality and safety inspection of small and normal pressure hot water boilers shall be carried out in accordance with the requirements of the safety supervision program of the three parties: 1. The electric heating furnace shall be subjected to water pressure test, the water pressure test of the pressure electric heating furnace shall be carried out according to the requirements of 112, and the water reduction test of the small normal pressure hot water boiler shall be carried out according to the requirements of BT7985. 7.4 The household components, electrical and control devices of the heating boiler shall be subjected to quality and performance inspection in accordance with the requirements and provisions of this standard and relevant standards. The electrical system shall adopt the state control action test and adopt the simulation signal to carry out the enterprise action test. All functions and actions shall be positive and stable. The insulation voltage shall be not less than 500V megohm test: the grounding resistance shall be tested with a grounding resistance meter with an accuracy of not less than 1.5 level. The test methods for insulation strength and electrical radiation strength refer to the provisions of BT2379. 5. The quality inspection department of the steel manufacturing enterprise shall conduct product quality inspection according to the various provisions of the standard, and the weight certificate and quality certificate shall be issued after the inspection. The following should be included: a) Electric heating furnace product certificate:
Main technical specifications of steel furnace:
Necessary quality certificates of materials used for main parts of the boiler:
Welding test report:
Water quality inspection report:
Electric heating element quality inspection or acceptance Report: g
Electrical and control device inspection and test report: Customer's full review of other matching parts, specifications and complete notice of parts: hi
Major design change list and pressure component material substitution list, 7.6 Thermal performance test of electric heating boiler products shall be carried out in accordance with the provisions of GRT10180. The surface temperature of the boiler is measured by a surface temperature meter. The surface temperature should not be lower than 1.5 levels. 77
New products and modified designs that have a great impact on the performance of the boiler should be subjected to type tests: Electric heating boiler products should be tested! The purpose, technical requirements and inspection methods of the control type test are shown in the table! . Factory inspection and type test items, requirements and methods 1. Main components Performance specifications Resistor Connection cable Electrical connection Electrical connection Pull-up resistor Heat dissipation External surface temperature ", " is not a company.
Marking and random documents
Strict inspection
Type test
6.3.1--6.3.4
6.3.5. 6.4.1-- 6.4.8.6.5.4 The boiler shall be equipped with a nameplate on its visible part. The nameplate shall indicate at least the following items: 8.1 Product model and name: Product number: Rated evaporation rate or rated heat rate, in uh or Mwk (kw): Rated steam pressure or rated outlet water pressure, in MPa: Rated steam pressure or rated outlet water temperature and inlet water humidity, in units of 100 psi: Rated input power, in W; Rated voltage, in V: Rated current, in A: Name of manufacturer: Manufacturing license level and certificate: Name of inspection unit and inspection standard: Date of manufacture: 8.2 Electric heat-insulating boiler products should provide the following drawings and technical documents when leaving the factory: a) Product quality certificate
b) Boiler general drawing, installation drawing, electrical control drawing: JB/T 10393-2002
Boiler bearing strength calculation sequence or calculation result summary, safety valve discharge calculation section or piecework result summary table, steel furnace gas connecting pipe diameter calculation section or calculation result summary table, installation and reading and writing instructions: installation list and spare parts list:
e Other documents provided in accordance with relevant regulations: fi
The above-mentioned samples and technical documents list
9 Installation and use requirements
9.1 The boiler room of electric heat-insulating boilers should be designed by units with relevant qualifications. 9.2 The installation of electric heating boilers shall be carried out in accordance with GB50273 and the boiler installation instructions provided by the manufacturer by units with corresponding steel furnace installation licenses.
9.3 The installation of electric heating furnace gas equipment shall comply with the relevant provisions of GB50169, GB50171, GB50254, GB50255, GH13055, and GBJ149. The boiler and high-power cabinet and control cabinet shall not be damaged and shall be well grounded. The grounding resistance shall be less than 42:9.4 The technical documents and engineering quality certification materials of the installed boiler shall be transferred to the user unit for the boiler technical file after the enterprise acceptance is qualified.
9.5 The power supply voltage reduction of the hot steel furnace must comply with the design requirements. 9.6 The environment of the electric heating boiler should not have flammable, explosive, corrosive gases and conductive powders, and there should be no obvious impact and damage. 9.7 The boiler can only be operated after obtaining the "Furnace Use Registration Certificate" in accordance with regulations. 9.8 The user unit shall establish a good boiler water quality management work. The water quality of the boiler feed water, make-up water and boiler water shall meet the requirements of GB1576 or the steel furnace instructions. ,
9.9 The operation of the boiler shall be carried out in accordance with the provisions of the boiler instruction manual provided by the enterprise. 9.10 The operating personnel shall hold the corresponding level of certification and have received relevant electrical knowledge and training on the requirements of the operation.bZxz.net
10 Quality responsibility
10.1 The manufacturer of electric heating boilers is responsible for the design and quality of its products. Under the premise that the user complies with the standards and relevant technical documents, the boiler shall be used for 12 months from the date of its first use, and shall not exceed 18 months from the date of its use by the smelter. If it is confirmed that the design and manufacturing quality are not good and it is not due to the original quality, popular conditions and operating level, and it cannot operate normally according to the rated parameters or fails to meet the specified performance requirements, the manufacturer shall bear the corresponding responsibilities. 0.2 The quality of the accessories, monitoring instruments and devices used in the production of electric heating boilers shall meet the corresponding standards, and the supplier shall bear its responsibilities.
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