Some standard content:
CJ/T109—2000, Industry Standard of Urban Construction of the People's Republic of China
Submersible agitator
Published on March 22, 2000
Implemented on August 1, 2000
Ministry of Construction of the People's Republic of China
CJ/T109—2000
This standard is compiled for the first time in China. The compilation of this standard refers to the technical provisions in the national standards and enterprise standards of Germany, Denmark, the United States, Sweden and other countries, and also quotes relevant domestic national standards and industry standards. Appendix A of this standard is the appendix of the standard. Appendix B of this standard is the appendix of the suggestion.
This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is under the jurisdiction of the Technical Committee for Standardization of Water Supply and Drainage Products of the Ministry of Construction. This standard is drafted by Tianjin Municipal Engineering Design Institute (chief editor) and Nanjing Lanshen Pump Group Co., Ltd.
The main drafters of this standard are: Zhang Daqun (editor-in-chief), Zhang Yingzheng, Jin Hong, Wang Litong,
Wang Xiuduo, Shi Xianping, Liang Yanhong, Liu Lin. Standard of the People's Republic of China for Urban Construction Industry Submersible agitator
Submersible agitator
1 Scope
CJ/T109—2000
This standard specifies the type, basic parameters, technical requirements, inspection rules, test methods, marking, packaging, etc. of submersible agitators (hereinafter referred to as "mixers"). This standard applies to agitators for mixing or propelling urban sewage, sludge, feces and other slurries. The motor power is 0.75~15kW. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB191-1990 Pictorial symbols for packaging, storage and transportation
GB/T755-1987 Basic technical requirements for rotating electrical machines GB/T1176-1987 Technical requirements for cast copper alloys GB1220-1992 Stainless steel bars
GB/T4942.1-1985 Motor housing protection grade 7 Rated voltage 450/750V and below Rubber insulated cables GB5013.4-1997
Part 4: Soft wires and flexible cables
Approved by the Ministry of Construction of the People's Republic of China on March 22, 2000, implemented on August 1, 2000
GB/T7021-1986
GB/T9439-1988| |tt||GB/T12785—1991
GB/T13306—1991
GB/T13384—1992
JB/T8092—1996
JB/T8687—1998
JB/Z346—1989
3 Definitions
Terms of centrifugal pumps
Gray iron castings
Test methods for submersible electric pumps
General technical conditions for packaging of electromechanical products
Small submersible electric pumps
Sampling inspection of pump products
Terms of insulation test limits for AC low-voltage motors with scattered winding turns shall comply with the provisions of GB/T7021.
4 Models
4.1 The marking of mixers shall be indicated by Chinese phonetic letters and Arabic numerals. QBOOO
Non-direct drive
Power, kw
Impeller speed, r/min
Submersible mixer
Note: Direct drive is not indicated.
4.2 Example
Impeller nominal diameter mm
Mixer impeller nominal diameter 600mm, impeller speed 250/min, power 2.2kW; non-direct drive; its mark is: 600QJB-250-2.2F5 Basic parameters
5.1 When the frequency of the mixer is 50H and the voltage is 380V, the basic parameters shall comply with the provisions in Appendix 2
A (Appendix to the standard).
5.2 The protection level of the mixer motor housing shall comply with the provisions of IPX8 in GB/T4942.1-1985.
5.3 The selection method of the mixer is shown in Appendix B (the appendix of the suggestion). 6 Type
The mixer is submersible.
6.2 The drive form of the mixer is divided into direct drive and indirect drive. 6.3 The motor structure type for the mixer is dry type. 7 Technical requirements
7.1 The mixer shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures.
7.2 The mixer quota is a continuous quota based on the continuous working system (SI). 7.3 The mixer shall be able to operate normally under the following conditions of use: a) The altitude shall not exceed 1000m,
b) The medium temperature shall not exceed +40℃;
c) The pH value of the medium shall be 5~9;
d) The medium density shall not exceed 1150kg/m,
e) The diving depth shall generally not exceed 10m.
7.4 During the operation of the mixer, the deviation of the power supply voltage and frequency from the rated value and the impact on the motor performance and temperature rise limit shall comply with the provisions of GB/T755. 7.5 Mixer performance and deviation
7.5.1 The input power of the motor shall not exceed the specified values in Table A1 and Table A2 in Appendix A.
2 The axial force of the mixer shall comply with the provisions in Table A1 and Table A2 in Appendix A. 7.5.2
7.6 The electrical performance of the mixer motor shall meet the following requirements: 7.6.1 When the power, voltage and frequency are rated values, the guaranteed values of efficiency and power factor shall comply with the provisions of JB/T8092.
7.6.2 At rated voltage, the guaranteed value of the ratio of the motor's stall torque to the rated torque shall not be lower than the provisions in JB/T8092.
7.6.3 Under rated voltage, the guaranteed value of the ratio of the motor's maximum torque to the rated torque shall not be lower than the provisions in JB/T8092.
7.6.4 Under rated voltage, the guaranteed value of the ratio of the motor's stall current to the rated current shall not be lower than the provisions in JB/T8092.
Note: The rated current is obtained by using the guaranteed values of the rated power, rated voltage, efficiency and power factor (excluding deviation).
7.6.5 The deviation of the guaranteed value of the motor's electrical performance shall comply with the provisions in JB/T8092. 7.7 When the mixer is continuously operated under specified working conditions and at rated power, the temperature rise limit of the motor's stator winding (resistance method) shall comply with the provisions of 5.2.6 of GB/T755-1987. 7.8 The insulation resistance of the motor's stator winding to the housing shall not be lower than 50MQ in the cold state, and shall not be lower than 1MQ in the hot state or after the temperature rise test. 7.9 When the motor is powered by a three-phase balanced power supply, the deviation of any phase of the three-phase no-load current of the motor from the three-phase average value should not be greater than 10% of the three-phase average value. 7.10 The stator winding of the motor should be able to withstand a 1-minute withstand voltage test without breakdown. The frequency of the test voltage is 50Hz, the waveform should be a sine waveform, and the effective value of the test voltage is 1760V.
7.11 The stator winding of the motor should be able to withstand the inter-turn impulse withstand voltage test without breakdown, and the peak value of the test impulse voltage should be implemented in accordance with the provisions of JB/Z346. 7.12 The mixer should be equipped with overheating and overcurrent protection devices, and a sealing leakage protection device should be set. During the 4000h operation period, the leakage of the sealing device should not be greater than 2.4mL in 24h.
7.13 The lead-out cable of the mixer should use the YZW type medium rubber sheath cable specified in GB5013.4 or a cable with the same performance. The cable length should be not less than 10m, and it can also be provided according to user requirements.
7.14 The mixer should have an obvious red rotation mark. 7.15 All parts of the mixer that bear working pressure shall be subjected to a 3-minute water (air) pressure test without leakage. The test pressure is 1.5 times the working pressure, but should not be less than 4
7.16 After the mixer is assembled, the inner cavity (motor) should be able to withstand a pressure of 0.2MPa and a 3-minute air pressure test without leakage. 7.17 The mixer should have reliable anti-corrosion and anti-pollution measures. 7.18 The mixer should rotate smoothly and freely without jamming, stagnation, etc. 7.19 The mixer should have a reliable grounding device, and the grounding wire of the lead cable should have an obvious grounding mark, and it should be ensured that the mark will not be erased during use. 7.20 During the factory test of the mixer, the no-load current, no-load loss, locked-rotor current and locked-rotor loss should be controlled within the specified range to ensure that the electrical performance of the motor meets the requirements of 7.6.
7.21 Under the specified conditions, the average running time of the mixer before the first failure should not be less than 5000h.
7.22 The impeller should be subjected to a static balance test, and the static balance allowable unbalanced torque is calculated according to formula (1):
M=2WX10-5
Where: M is the allowable unbalanced torque, N·m, and W is the weight of a single impeller, N.
When the calculated impeller allowable unbalanced torque is less than 0.03RN·m, it shall be calculated as 0.03RN·m, where R is the radius of the impeller weight-removed part, in m. 7.23 The material regulations for the main parts of the mixer are as follows: 7.23.1
The material performance of the flow-through parts, base, and end cover shall not be lower than HI200.
7.23.2 The material used for the shaft shall not be lower than 2Cr13.7.23.3 The material used for the exposed fasteners shall not be lower than 2Cr13.7.23.4 The materials used for the mixer shall have a certificate of conformity or factory inspection data to prove that they meet the requirements of the relevant standards.
7.23.5 The cast iron parts of the mixer shall comply with the relevant provisions of GB/T9439; the bronze parts of the mixer shall comply with the relevant provisions of GB/T1176; the stainless steel parts of the mixer shall comply with the relevant provisions of GB1220.
8 Test methods
The test methods for the inspection items specified in 9.2.1 and 9.3.2 shall be implemented in accordance with the provisions of GB/T12785.
9 Inspection rules
9.1 Inspection is divided into factory inspection and type inspection. 9.2 Factory Inspection
9.2.1 Each mixer shall be inspected and tested to be qualified, and shall be accompanied by a product certificate and instruction manual before leaving the factory.
9.2.2 Inspection Items
a) Appearance inspection of the whole machine (including nameplate data, surface paint, cable specifications and models)
b) Running state test (including steering);
c) Inspection of grounding mark;
d) Air pressure test of the mixer cavity (motor) and air pressure test of the mixer side sealing device;
e) Determination of the insulation resistance of the motor stator winding to the housing (only measure the cold insulation resistance),
f) Determination of the DC resistance of the motor stator winding in the actual cold state;g) Determination of the motor input power under normal operation at a immersion depth of 3m;
h) Withstand voltage test;
i) Turn-to-turn insulation impulse withstand voltage test.
9.3 Type inspection
9.3.1 Type inspection should be carried out in any of the following situations: a) trial production and identification of new products or old products transferred to the factory for production; b) after formal production, if there are major changes in structure, materials and processes that may affect product performance;
c) regular sampling and testing of batch-produced mixers, once a year, with no less than 2 units each time; d) when the production of a product is resumed after a long period of suspension; e) when there is a significant difference between the factory inspection results and the previous type inspection results; f) when the national quality supervision agency proposes a type inspection requirement. 2 Type inspection items include
a) all items of factory inspection,
b) temperature rise test;
c) determination of impeller technical characteristics (including: axial force, etc.); d) determination of motor technical characteristics (including: motor power, slip-output power curve, power factor-output power curve, input power-output power curve, stator current-output power curve); e) determination of motor maximum torque;
f) reliability test, which can be carried out according to needs or specified requirements. 9.4 Sampling and judgment rules
Sampling shall be carried out in accordance with the provisions of JB/T8687. The sampling method can be single or double sampling, and the inspection level is I. The qualified quality level AQL is 4. 10 Marking, packaging and transportation
10.1 Marking
10.1.1 Product marking
10.1.1.1 The material of the nameplate is stainless steel, and the size and relevant technical parameters shall comply with the provisions of GB/T13306.
10.1.1.2 The nameplate shall be firmly fixed on the mixer. The nameplate should include the following information:
a) manufacturer name and address;
b) mixer model and name;
c) rated power, kW;
d) rated voltage, V;
e) rated current, A;
f) rated speed, r/min;
g) rated frequency, Hz;
h) number of phases;
i) insulation grade or temperature rise limit;
j) factory number and date;
k) mixer mass (excluding cable), kg; 1) product standard number.
10.1.2 Packaging Marks
The literature and marks on the outside of the packaging box should be neat and clear, and the contents are as follows: a) Shipping station, manufacturer name and address;
b) Receiving station and receiving unit name;
c) Mixer model;
d) Mixer net weight and gross weight with packaging, e) Box dimensions;
f) Necessary graphics and texts should be placed in appropriate parts of the packaging box, and the graphics should comply with the provisions of GB191.
10.2 Packaging and Transportation
10.2.1 The packaging of the mixer should be able to ensure that it will not be damaged due to improper packaging under normal transportation conditions and comply with the provisions of GB/T13384. 10.2.2 Each mixer shall be accompanied by the following documents (the documents shall be sealed in a waterproof bag) when leaving the factory:
a) Packing list;
b) Product certificate;
c) Operation and maintenance instructions;
d) Other necessary accompanying documents.
11 Complete set scope
Users can order all or part of the following complete set supply scope as needed and specify it in the order:
a) Mixer;
b) Terminal box;
c) Electric control cabinet;
d) Lifting frame;
e) Mounting device;
f) Consumable parts and special tools.
Motor power
Motor power
Appendix A
(Standard appendix)
Basic parameter table of mixer
Input power
Input power
Direct drive series
Motor speed
Blade speed
Indirect drive series
Motor speed
Blade speed
Blade diameter
Blade diameter
Axial force
Axial force2 Inspection items
a) Appearance inspection of the whole machine (including nameplate data, surface paint, cable specifications and models)
b) Running status test (including steering);
c) Inspection of grounding mark;
d) Air pressure test of mixer inner cavity (motor) and air pressure test of mixer side sealing device;
e) Determination of insulation resistance of motor stator winding to casing (only measure cold insulation resistance),
f) Determination of DC resistance of motor stator winding in actual cold state;g) Determination of motor input power under normal operation at a diving depth of 3m;
h) Withstand voltage test;
i) Turn-to-turn insulation impulse withstand voltage test.
9.3 Type inspection
9.3.1 Type inspection should be carried out in any of the following situations: a) trial production and identification of new products or old products transferred to the factory for production; b) after formal production, if there are major changes in structure, materials and processes that may affect product performance;
c) regular sampling and testing of batch-produced mixers, once a year, with no less than 2 units each time; d) when the production of a product is resumed after a long period of suspension; e) when there is a significant difference between the factory inspection results and the previous type inspection results; f) when the national quality supervision agency proposes a type inspection requirement. 2 Type inspection items include
a) all items of factory inspection,
b) temperature rise test;
c) determination of impeller technical characteristics (including: axial force, etc.); d) determination of motor technical characteristics (including: motor power, slip-output power curve, power factor-output power curve, input power-output power curve, stator current-output power curve); e) determination of motor maximum torque;
f) reliability test, which can be carried out according to needs or specified requirements. 9.4 Sampling and judgment rules
Sampling shall be carried out in accordance with the provisions of JB/T8687. The sampling method can be single or double sampling, and the inspection level is I. The qualified quality level AQL is 4. 10 Marking, packaging and transportation
10.1 Marking
10.1.1 Product marking
10.1.1.1 The material of the nameplate is stainless steel, and the size and relevant technical parameters shall comply with the provisions of GB/T13306.
10.1.1.2 The nameplate shall be firmly fixed on the mixer. The nameplate should include the following information:
a) manufacturer name and address;
b) mixer model and name;
c) rated power, kW;
d) rated voltage, V;
e) rated current, A;
f) rated speed, r/min;
g) rated frequency, Hz;
h) number of phases;
i) insulation grade or temperature rise limit;
j) factory number and date;
k) mixer mass (excluding cable), kg; 1) product standard number.
10.1.2 Packaging Marks
The literature and marks on the outside of the packaging box should be neat and clear, and the contents are as follows: a) Shipping station, manufacturer name and address;
b) Receiving station and receiving unit name;
c) Mixer model;
d) Mixer net weight and gross weight with packaging, e) Box dimensions;
f) Necessary graphics and texts should be placed in appropriate parts of the packaging box, and the graphics should comply with the provisions of GB191.
10.2 Packaging and Transportation
10.2.1 The packaging of the mixer should be able to ensure that it will not be damaged due to improper packaging under normal transportation conditions and comply with the provisions of GB/T13384. 10.2.2 Each mixer shall be accompanied by the following documents (the documents shall be sealed in a waterproof bag) when leaving the factory:
a) Packing list;
b) Product certificate;
c) Operation and maintenance instructions;
d) Other necessary accompanying documents.
11 Complete set scope
Users can order all or part of the following complete set supply scope as needed and specify it in the order:
a) Mixer;
b) Terminal box;
c) Electric control cabinet;
d) Lifting frame;
e) Mounting device;
f) Consumable parts and special tools.
Motor power
Motor power
Appendix A
(Standard appendix)
Basic parameter table of mixer
Input power
Input power
Direct drive series
Motor speed
Blade speed
Indirect drive series
Motor speed
Blade speed
Blade diameter
Blade diameter
Axial force
Axial force2 Inspection items
a) Appearance inspection of the whole machine (including nameplate data, surface paint, cable specifications and models)
b) Running status test (including steering);
c) Inspection of grounding mark;
d) Air pressure test of mixer inner cavity (motor) and air pressure test of mixer side sealing device;
e) Determination of insulation resistance of motor stator winding to casing (only measure cold insulation resistance),
f) Determination of DC resistance of motor stator winding in actual cold state;g) Determination of motor input power under normal operation at a diving depth of 3m;
h) Withstand voltage test;
i) Turn-to-turn insulation impulse withstand voltage test.
9.3 Type inspection
9.3.1 Type inspection should be carried out in any of the following situations: a) trial production and identification of new products or old products transferred to the factory for production; b) after formal production, if there are major changes in structure, materials and processes that may affect product performance;
c) regular sampling and testing of batch-produced mixers, once a year, with no less than 2 units each time; d) when the production of a product is resumed after a long period of suspension; e) when there is a significant difference between the factory inspection results and the previous type inspection results; f) when the national quality supervision agency proposes a type inspection requirement. 2 Type inspection items include
a) all items of factory inspection,
b) temperature rise test;
c) determination of impeller technical characteristics (including: axial force, etc.); d) determination of motor technical characteristics (including: motor power, slip-output power curve, power factor-output power curve, input power-output power curve, stator current-output power curve); e) determination of motor maximum torque;
f) reliability test, which can be carried out according to needs or specified requirements. 9.4 Sampling and judgment rules
Sampling shall be carried out in accordance with the provisions of JB/T8687. The sampling method can be single or double sampling, and the inspection level is I. The qualified quality level AQL is 4. 10 Marking, packaging and transportation
10.1 Marking
10.1.1 Product marking
10.1.1.1 The material of the nameplate is stainless steel, and the size and relevant technical parameters shall comply with the provisions of GB/T13306.
10.1.1.2 The nameplate shall be firmly fixed on the mixer. The nameplate should include the following information:
a) manufacturer name and address;
b) mixer model and name;
c) rated power, kW;
d) rated voltage, V;
e) rated current, A;
f) rated speed, r/min;
g) rated frequency, Hz;
h) number of phases;
i) insulation grade or temperature rise limit;
j) factory number and date;
k) mixer mass (excluding cable), kg; 1) product standard number.
10.1.2 Packaging Marks
The literature and marks on the outside of the packaging box should be neat and clear, and the contents are as follows: a) Shipping station, manufacturer name and address;
b) Receiving station and receiving unit name;
c) Mixer model;
d) Mixer net weight and gross weight with packaging, e) Box dimensions;
f) Necessary graphics and texts should be placed in appropriate parts of the packaging box, and the graphics should comply with the provisions of GB191.
10.2 Packaging and Transportation
10.2.1 The packaging of the mixer should be able to ensure that it will not be damaged due to improper packaging under normal transportation conditions and comply with the provisions of GB/T13384. 10.2.2 Each mixer shall be accompanied by the following documents (the documents shall be sealed in a waterproof bag) when leaving the factory:
a) Packing list;
b) Product certificate;
c) Operation and maintenance instructions;
d) Other necessary accompanying documents.
11 Complete set scope
Users can order all or part of the following complete set supply scope as needed and specify it in the order:
a) Mixer;
b) Terminal box;
c) Electric control cabinet;
d) Lifting frame;
e) Mounting device; wwW.bzxz.Net
f) Consumable parts and special tools.
Motor power
Motor power
Appendix A
(Standard appendix)
Basic parameter table of mixer
Input power
Input power
Direct drive series
Motor speed
Blade speed
Indirect drive series
Motor speed
Blade speed
Blade diameter
Blade diameter
Axial force
Axial force2 Each mixer should be accompanied by the following documents when leaving the factory (the documents are sealed in a waterproof bag):
a) Packing list;
b) Product certificate;
c) Operation and maintenance instructions;
d) Other necessary accompanying documents.
11 Complete set scope
Users can order all or part of the following complete set supply scope as needed and specify it in the order:
a) Mixer;
b) Terminal box;
c) Electric control cabinet;
d) Lifting frame;
e) Mounting device;
f) Consumable parts and special tools.
Motor power
Motor power
Appendix A
(Standard appendix)
Basic parameter table of mixer
Input power
Input power
Direct drive series
Motor speed
Blade speed
Indirect drive series
Motor speed
Blade speed
Blade diameter
Blade diameter
Axial force
Axial force2 Each mixer should be accompanied by the following documents when leaving the factory (the documents are sealed in a waterproof bag):
a) Packing list;
b) Product certificate;
c) Operation and maintenance instructions;
d) Other necessary accompanying documents.
11 Complete set scope
Users can order all or part of the following complete set supply scope as needed and specify it in the order:
a) Mixer;
b) Terminal box;
c) Electric control cabinet;
d) Lifting frame;
e) Mounting device;
f) Consumable parts and special tools.
Motor power
Motor power
Appendix A
(Standard appendix)
Basic parameter table of mixer
Input power
Input power
Direct drive series
Motor speed
Blade speed
Indirect drive series
Motor speed
Blade speed
Blade diameter
Blade diameter
Axial force
Axial force
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.