Some standard content:
IC5 23.080
Machinery Industry Standard of the People's Republic of China
JB/T8096—1998
Centrifugal slurry pumps
[998-n3-t9 Issued
Ministry of Machinery Industry of the People's Republic of China
1998-07-01 Implementation
JB/T8096-1998
This standard is an interpretation of JB/T8056.195 centrifugal slurry system type and JB/T529-91 centrifugal slurry system technical system.
Compared with JB/T09.1-S5 and JB/T5295-9, this standard adds ZGB series and flow plate specification in the main technical content.
This standard will take effect from now on and replace IB/T8006.1-55 and JB/T6295-91. The annex to this standard is the time or date of the standard.
This standard is proposed by the National Standardization Technical Committee and is under the jurisdiction of the drafting unit of this standard: Shijiazhuang Mass Pump Research Institute. The main drafters are Mi Guangqi, Liu Shuju and Shi Guoqun. 1 Scope
Machinery Industry Standard of the People's Republic of China
Centrifugal Slurry Pump
Cerifugat Slurry Pumpa
JB/T8096-1998
Replacement JBDS6.125
JB/T 529591
This standard specifies the type and parameters, technical requirements, test methods and inspection rules of high-pressure pumps (hereinafter referred to as high-pressure pumps). This standard is used for pumps that convey solid particles (such as ore, rock, coal, mud, sand, etc.) in the medium. The temperature of the solid mixture conveyed by the pump is generally not more than 3 (the effective pump does not exceed the effective pump). 2 Reference standards
The texts contained in the above standards are generally quoted in the relevant technical standards and become the provisions of this standard. When this standard is published, both versions are valid. All standards will be revised. All parties using this standard should explore the possibility of using the latest versions of the following standards. GB 6-E8
GRARE--8R
GB OR6-ES
GB/T 1220-92
GB134882
GB/T 1569--90
GT 2100G
GB255581
GB 2828 - 87
GB 2824-87
GRR077-RR
GB321669
L:7021-86
GB 8263-87| | tt | R098-95.
3 Terminology
Technical conditions for high quality carbon steel
Basic forms and dimensions of gas welding, gas shielded welding, basic forms and dimensions of welding seams
Spheroidal graphite chain parts
Round shaft
Technical conditions for non-flammable steel parts
Dimensions of pipe connections for general use
Counting sampling procedures and sampling tables for remote batch inspection (applicable to inspection of continuous batches)Counting sampling procedures and sampling tables for simultaneous inspection (applicable to inspection of stability during production)Technical conditions for alloy structural steel
Test methods for mixed flow sources, axial flow sources and pumps Test methods Centrifugal pump terminology
Technical conditions for white cast iron
Steel flange types
Forged castings
Carbon steel parts for general engineering use
General technical conditions for packaging of electromechanical products
Technical conditions for connection of pump products
Methods for measuring and evaluating the vibration of the system
Methods for measuring and evaluating the acoustic vibration of the system
In addition to the provisions of GB 7031, the terms in this standard adopt the following definitions. Approved by the Ministry of Machinery Industry on March 19, 1998
Implementation on July 1, 1998
3.1 Commercial head system
Specified point head is higher than 50m.
3.1 Low head efficiency
The specified head is less than or equal to 50°. 3.3 Flow section dimensions
1B/T80961998
The minimum size of the flow channel of the flow passage parts such as the impeller and the casing. 3.4 Vulnerable flow passage parts
Parts that fail due to the abrasion of the slurry, such as the impeller, the jacket and guard of the double-filled pump, the pump body and pump of the single-filled pump: 3.5 Lining metal frame
The metal structure in the core cavity that supports and fixes the rubber. 3.6 First limit speed
The speed when the first (lowest) reversing natural driving frequency of the rotating part of the system is consistent with the rotation rate. 4 Types and basic parameters
4.1 Types
4.1.1 The pump is single-stage, single-drive, axial suction. According to the shell structure and the axial direction, it can be divided into two types: a) Horizontal double shell with inner shell and outer shell - suitable for pumps with different discharge diameters. The inner shell material is divided into three categories: metal, plastic and other non-metallic materials. The inner shell of different materials can be replaced with the same outer shell; b) Vertical or horizontal shell system - suitable for pumps with a discharge outlet diameter of less than or equal to 20mm. The horizontal discharge outlet can be connected vertically upward or 5 or 9 to change the outlet direction. 4.2 Model Indication Method
4.2.1ZL Series Pump
Pressure Code Working pressure is indicated by "Wei" when it exceeds 2M, other types are not indicated) Vertical type is indicated by "L" (horizontal type is not indicated)
Filling material (metal is not indicated, rubber is indicated by "B", other non-metallic types are indicated by "Gong" Low Head
Discharge outlet diameter, mm
Discharge 11 diameter is 80m, low head, vertical type: Table Le is: 80Z0L4. 2. 2ZG Series chain slurry pump
Pressure code (P is used to indicate working pressure exceeding 2MP, and other pressures are not indicated) L is used to indicate horizontal pressure)
Inner shell material (metal is not indicated, rubber is indicated by ", and other non-metals are indicated by T) High-standard particle
Pulp system
Discharge outlet diameter: mm
JB/T8096-1998
Discharge 11 diameter is 40TUm, height difference, horizontal metal filling system, expressed as: 4UZG4.2.3ZGB series slurry pump
Pressure code (P is used to indicate working pressure exceeding 2Ma, and other pressures are not indicated) B series high-pressure slurry pump| |tt||-discharge 11 diameter, nim
Example:
The discharge port diameter is 200mm, the height is 90m, ". As 2.?MPa 2GB series Liu Gaoyang new slurry, expressed as 200ZGBP
4.3 System shaft rotation provisions
From the dynamic lubrication of the record is the ground time year direction.
4.4 Its basic parameters
4.4.1 The basic parameters of the system shall be in accordance with the following provisions; A) ZD, 7C series of residual system basic parameters shall be in accordance with the provisions of Table 1. 6) 2GB series slurry recording basic parameters shall be in accordance with the provisions of Table 2, Table 1. Table 2 H to adjust the performance of the specified point when the pump delivers reverse warm water: Table 1 ZI, ZG series basic parameters flow Q
3nnzt:
4002:
must have value
number m
flow section
minimum size
inlet point diameter
B0/125
100/159
150/201
20m/25m
2hu/suu
4/45center
45c/550
1SOZGB
25:17R
3GOZGR
flow center
IB/T B096—1998
Basic efficiency data of ZGB series slurry pumps
4.4.2 For pumps with auxiliary impeller seal type, the efficiency is allowed to be reduced by 5%. 4.4.3 The curves in Figures 1 to 3 are the working range of the slurry pump. 5 Technical requirements The pump must comply with the requirements of the vehicle standards and be made according to the drawings and technical documents approved in the prescribed order. The minimum size of the cross-section is 80/125, 160/150, 160/2G4, 200/250, 300/351 or users have product requirements. When different from the requirements of this standard, the delivery note and data sheet [Appendix (Standard Appendix provisions, 5.1 Performance
5.1.1 The performance parameters of the pump shall comply with the provisions of 1.4 or the provisions of the order form and data sheet. 5.1.2 Manufacturing; The allowable operating range of the pump shall be determined and the performance curve (mean speed, shaft power, efficiency, and the relationship between the required steam shortage margin and the required capacity) shall be drawn.
5.1.3 The differential intensity of the system shall comply with the C-level soft requirements in JB/T8C97. When the pump speed is less than 6 (i0 5.1.4 The system rating shall comply with the provisions of JTC98C when the speed is 600-/mia. 5.1 Design of the engine 5.2.1 The motor of the prime mover shall be selected according to the maximum shaft power of the system operating conditions. When the power does not exceed 1005, the effective motor power shall not be less than 1.2 times the maximum shaft power. When the power exceeds 10 times, the effective motor power shall not be less than 1.1 of the maximum shaft power. 5.2.2 Critical speed The actual first critical speed shall be at least higher than the source use The maximum allowable running speed is 10.5.2.3 Balancebzxz.net
The metal frame of the impeller with rubber lining should be statically balanced, and its allowable uneven quality should meet the following requirements: 1) When the maximum peripheral speed of the impeller is not greater than 30m/s, the uneven quality should be determined according to the straight line in Figure 4: b) When the maximum peripheral speed is greater than m/5 and less than m/: the unbalanced quality base strain value M, the range is 56%, c> The maximum peripheral speed of the impeller is greater than or equal to 40m/s and less than 50m/s, the unbalanced quality should be 6% of the obtained value M. 5.2.4 Belt
5.2.4.1 The body can be a single-layer or double-layer structure, one is a split structure type, and the shell should be able to withstand the maximum working pressure and water pressure test pressure allowed by the pump working pool. The deformation can be limited. 5.2.4.2 The water pressure test pressure shall be 1.5 times the maximum working pressure (for double-shell system, the minimum shall not be less than 1.25 times), and there shall be no leakage during the pressure holding time.
JBT81998
5.2.4.3 The suction and discharge ports shall be able to withstand the maximum working pressure allowed by the system, and the flange size shall comply with the provisions of GB2555 and GB9112, otherwise a short replacement shall be provided.
5.2.5 Impeller
5.2.5.1 The impeller shall adopt a type, semi-open type or fully open type structure. 5.2.5.3 The impeller shall be completely fixed on the shaft to prevent circumferential or axial displacement during rotation. 5.25.3 When the impeller axial clearance needs to be adjusted, an external adjustment mechanism shall be provided. 5.2.5.4 The impeller clearance shall not exceed 63m. The maximum allowable linear speed shall not exceed 20m/g. 5.2.6 Shaft drawing
5.2.6.1 The material should have sufficient strength and deformation. The diameter of each part of the shaft should be based on the maximum shaft power and the highest plug should be strengthened according to the first strength theory. Its man-made stress should not exceed the initial strength limit of the material used, or 18% of the tensile strength limit.
5.2.6.2 The threaded space on the shaft should be fast and its connecting parts should be in a tight state during auxiliary energy rotation. 5.2.6.3 The shaft extension size should comply with the provisions of GB/T1569. 5.2.6.4 The shaft should retain the center holes at both ends.
5.2.6.5 The shaft and the packing should be checked for deformation. The hardness of the outer surface of the sleeve should not be greater than 50HRC. 5.3.6.6 The bearing sleeve should be securely fixed on the shaft and prevent leakage between the shaft and the sleeve. 5.2.6.7 If a packing seal is used, the shaft sleeve should extend beyond the end face. 5.2.7 Shaft bearings are generally selected for filter bearings, and if lubricated with thin oil or foil, the operating temperature should not exceed 75. 5.2.B Shaft body 5.2.1 The seal on the bearing body that is connected to the outside should prevent the intrusion of dirt and the loss of lubricating oil (grease) under normal working conditions. 5.2.2 The bearing is oil-lubricated, and the bearing body should have an oil drain hole and an oil level indicator. 5.2.9 Packing seals, impeller packing seals and mechanical seals can be selected. 5.2.10 Brackets and supports Brackets and supports should have sufficient strength and roughness, and the mounting bottom surface of the bracket should be flat. 5.2.11 Base and motor drive
When the system and the motor are driven by coupling or belt, double-row pumps with a diameter less than or equal to 15 cm, the common base of the motor installed with the motor should have a discharge port diameter greater than 150 cm. The motor slide should have a fixed angle, and the base should be able to withstand the force and torque transmitted from the pipeline, and the coupling angle of the motor should not exceed the expected value. Sufficient effective holes with a diameter of not less than 100 cm or the desired diameter should be set on the base. 5.2.12 Transmission device
5.212.1 The transmission of the system can be reversible with elastic couplings, transmission belts or torque couplings, etc.: couplings, V-belts and pulleys should have safety protection.
5.2.12.2 The transmission capacity should be able to transmit the maximum torque of the motor. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3 Materials of main parts 5.3.1 The material properties of the main parts of the pump are recommended to meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. 5.2.13 The lifting device should be installed for the system and its related parts. 5.3.1 The material properties of the main parts of the pump should meet the requirements of Table 3. T500-7
2A+230-450.3A-270-5D
Abrasion-resistant white mouth block
QT459-10,OT500-7
Small rust shop
Long white mouth fast reading
15 surface plating"
Standard code
B9439-58
GL 1348-86
CB/T11352—89
GE8138
GB9429—88
GR1348-XS
GB21G2
CE8837
690-88
C3 3077E8
GB/T 1221 - 02
5. Without the consent of both parties, the flow parts may also be made of non-metallic materials and shall comply with the provisions of their material standards. 5.4 Manufacturing
5.4.1 Remove the filter, roughness, scale, sand sticking, etc. from the rotating parts. There should be no defects such as air leakage, looseness, cracks, etc. that reduce the strength. 5.4 1.1
System 41.2 Under the condition of no shadow, the rotating parts can be welded. 5.4.3 The type and size of the weld groove of the welding and low alloy steel parts shall comply with the provisions of GB985 and GB986. The welds shall not have defects such as technical penetration, air cracking, burn-through, etc. that reduce the service life. 5. 4. 3 Assembly
5.4.3.1 All parts shall be inspected and assembled. 5.4.3.2 The runout of the outer surface of the sleeve of the assembled rotor parts shall not exceed the provisions of Table 4. Table 4 Corresponding relationship between outer diameter of sleeve and runout Push belt external measuring point product
Figure runout
5. 4. 3. 4
>54~-123
>120--250
250--500
After the system is assembled, turn it up and down to adjust it. There is no tightness. The system with rust-proof materials should be tested before packing is pressed. After anti-rust treatment and painting, the suction and discharge ports should be fixed with a plate. 5. 4. 4 Rust and liquid
5. 4. 4. 1
The matching parts where the materials are easy to fit should be coated with a chemical phase lubricant. The external processing surface after assembly should be slow to prevent oil from inducing. 5.4. 4. 2
5. 4. 4. 3
5. 4. 4. 4
The explosive Dikang should comply with the provisions of TT/T4297. After the test, the water inside the film should be removed and the anti-pry treatment should be done again. 5.5 Use
3B/T8096-198
ES1 For double-shell pumps with rubber inner shell, the maximum size of solid particles in the slurry should not exceed 1m. There should be no sharp angles. For double-shell pumps with single-shell and metal inner shell, the maximum size of solid particles in the slurry should not exceed 8 times the minimum size of the flow section. 5.5.2 When the impeller and the pump are connected by a relatively tight connection, the motor should not drive the shaft to rotate in the opposite direction under any circumstances. 5.3 The system can be used in series, and the total pressure should not exceed the maximum working pressure of the pump. 5.5.4 The permanent pressure of the packing should be 35kPa higher than the pump discharge. F Test method
6.1 The chemical composition analysis method and mechanical property test method of the material should comply with the requirements of the relevant standards specified in Table 3 and 5.3.2. 6.2 The water pressure test adopts constant wet water and the pressure holding time is not less than 10min. 6.3 The performance test method of the object should comply with the provisions of GB321664. The vibration test method adopted should comply with the provisions of 80?. However, when measuring vibration with a speed less than 600/min, the lower limit of the rate response range of the selected instrument (including sensor or bottle) shall not be greater than 2H. The noise measurement method of the pump shall comply with the provisions of JB/T8098. The inspection rules are as follows: type inspection or factory inspection. 7.1 Type inspection 7.1.1 Type inspection is required for any of the following conditions: 1) New products or old products are transferred to the factory for trial production and testing 2) After production, if there are major changes in structure, materials, and processes, which may affect product performance, "batch production" products are inspected: 3) Products that have been discontinued for a long time are inspected again e) When the inspection results are significantly different from the previous model. 7.1.2 The test items shall comply with the provisions of GB22-5. 1.3 The number of inspections shall not be less than two. 7.2 Factory inspection
7.2.1 The products produced by the batch shall be inspected at the factory. 7.2.2 The test items shall comply with the provisions of CB321B: 7.2.3 The number of inspection units and inspection rules shall generally comply with the provisions of G2828. The sampling plan can adopt one-time sampling or two-time sampling. The general inspection level is 1, and the qualified quality level AQI. is 4.0. For periodic products with stable production processes, the inspection units and The inspection rules can also adopt the provisions of GB282S. The inspection plan can adopt one-time sampling or two-time sampling to classify level 1, excluding the specified quality level RQ as 2C.
7.3 Final inspection
The quality inspection department of the manufacturer shall inspect the completeness and correctness of the product supply range according to the provisions of the order and the packing list, including the pre-inspection of the product paint, external quality and packaging. After passing the inspection, the product certificate will be issued. Then it will be assembled. The factory warranty period
When using the provisions of this standard and installing and using it according to the requirements of the product manual, the double-light original of the plastic inner shell will be within 12 months from the date of shipment. Within 18 months, if the product is damaged or cannot work normally due to poor manufacturing quality, the manufacturer shall replace the parts or repair the non-wearing parts free of charge. 9. Marking, packaging, transportation and storage
9.1 Standards
JB/T80961998
9.1.1 The vehicle body shall be firmly nailed with a label on the visible part. The size and technical requirements of the label shall comply with the provisions of GB/T133U6. The label shall clearly state the following:
a) Manufacturer name:
) Product name and model:
.) Product main parameters:
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