Some standard content:
JcS 21.010
Machinery Industry Standard of the People's Republic of China
JBT9098-1999
Specification for tubular sparator
Technical conditions
Specification for tubular sparator1999-07-12 Issued
National Bureau of Machinery Industry
Implementation on January 1, 2000
189098-1999
This standard is a revision of ZB77008-89 Technical conditions for tubular sparger and ZBJ77009-89 Test methods for tubular sparger, and the two standards are combined into one standard. The original standard is modified in a shortened manner, and the main technical contents are not changed. This standard replaces ZD[7T008-8 9 and 2BJ77009-89: Appendix A of this standard is the appendix of the standard, and Appendix D of this standard is the appendix of the reminder. This standard is proposed and managed by the National Separator Standardization and Improvement Committee. The responsible drafting units of this standard are: Liaoyang Pharmaceutical Machinery General Factory, Shanqing Jiangbei Machinery Factory. The main drafters of this standard are: Shuai Shuang, Yue Hongjiu. ■ Scope
Machinery Industry Standards of the People's Republic of China
Technical conditions for tubular separators
Specifications for keparator JB/T9098-1999
ZBJ77008-
ZB J77 D0969
This standard specifies the technical requirements, test methods, inspection specifications, marking, packaging, transportation and storage requirements of tubular separators. This standard applies to the following tubular separators for separating suspensions, emulsions and other materials (hereinafter referred to as separators). 2 Referenced standards
The provisions contained in the listed sections shall constitute the provisions of this standard by reference in this standard. When this standard is revised, the version shown is valid. All standards may be revised. Parties using this standard shall use the following standard versions as soon as possible. G0191—1990
G8.T307.31996
GB/T5117—1995
GB/I5118—1W5
GB7T983--1995
G 2:0-[930
GBT 2649 — 1989 | | tt | T13306—1991
GB/113384—1992
GB/T 11352—[989
GB/14408—1993
JB/T 4385—1987
JB4730—1994
JB.T7217—1994
JB RA861996
JB/T9095—1999
Color code
Technical conditions for rolling bearing
Carbon steel bar
Alloy steel welding rod
Stainless steel welding rod
Technical conditions for stainless steel castings
Sampling method for testing the integrity of joints
Impact test method for welded joints
Tensile test method for welded joints
Performance test method for joint 3: Bending and compression test method
Stainless steel corrosion test method for corrosion-resistant copper corrosion test method for stainless steel separation machinery Noise generation and vibration test method for centrifuge and separator Machinery vibration test method for standard frequency
Machine General technical conditions for electric equipment
General casting parts for general use
Low alloy steel parts for engineering and structure
General technical conditions for general parts
Nondestructive testing of pressure vessels
Technical procedures for coating of separators
Safety requirements for centrifuges
Technical specifications for conventional nondestructive testing of centrifuges and separator forgings and weldments Approved by the State Machinery Industry Bureau on July 32, 1999 3000.01-01 Implementation
3 Technical requirements
JB Hall 90989
3.1 Separators shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved through the prescribed procedures. If there are special requirements, they shall be manufactured in accordance with the agreement signed by both parties.
3.2 The materials of the main parts of the separator should have a certificate of inspection; if there is no certificate, it must be inspected by the quality inspection department of the manufacturing plant before it can be used.
3.3 The materials of the main parts of the separator should meet the design requirements. It is allowed to be replaced with heavy or better materials, but it must be approved by the design department.
3.4 The purchased parts should have a certificate of inspection from the supplier. 3.5 The manufacture and acceptance of parts should comply with the provisions of GB/T2100 or GB/T11352 and GB/T14408. 3.6 Carbon castings need to be heat treated to eliminate internal voids and improve metallographic structure, and austenitic stainless steel castings need to be solution treated and
3.7 The forging and acceptance of forgings should comply with the requirements of GB/T2100 or GB/T11352 and GB/T14408. According to the provisions of BT9095, austenitic stainless steel forgings also need to be fixed: 3. After heat treatment, important forgings shall be subjected to non-destructive testing or metallographic inspection. Non-destructive deep damage shall comply with the provisions of BT9095. 3.9 If the re-transmitted parts adopt welded structure, they shall comply with the following provisions: 3.9.1 The welding rods used for welding shall comply with the provisions of B/T5117, (B/T5118 or GB/T 5117) 3.9.2 Each drum weld must be subjected to non-destructive testing, longitudinal welding chain, circumferential welding, etc. shall be subjected to 100% non-destructive testing 3.9.3 The quality of welding shall be evaluated according to the T-level requirements of 9.1 in [R4731: 1994 3.9.4 Requirements for the return of welding:
≥) warping defects can be repaired. After the return, the original method shall be used for inspection, and the quality assessment shall meet the requirements of Grade I; b) The number of returns for the same part shall not exceed 2 times. Before the preparation, 3.9.5. The mechanical properties of the weld chain shall be inspected in accordance with the relevant provisions of GH/T2649, GB2650, GB/265E, GB2653, etc. The mechanical properties of the sample shall not be lower than the requirements of the parent material. 396 Austenitic stainless steel materials shall eliminate welding stress and carry out anti-crystal corrosion treatment after transfer welding. The baking seam corrosion test shall comply with the provisions of GB/4334.5, and no inter-product corrosion is allowed. 3.10 The surface roughness R of the inner and outer surfaces of the drum is 1.6μ. 3.11 The thickness of the drum must be uniform, and the wall thickness difference of the same agent is greater than 0.03mm. 3.1 The mesh runout error of each part of the outer diameter of the drum shall not exceed .mm. 3.13 After assembly, the dynamic error of the bearing part of the shaft to the outer diameter of the drum shall not exceed 0.02mm. 3.14 After the assembly of the top and bottom shafts, the circular dynamic error of the shaft end shall not exceed 0.20mm. 3.15 Each drum shall be subjected to dynamic balancing test. The precision level shall not be lower than 6.3. Unbalance is allowed and calculated according to the provisions of Appendix A (Standard Appendix).
3.16 The balance test of the drum can be carried out with heavy weight treatment. The damage should be removed in the edge area at both ends of the drum. The total weight of the balance shall not exceed 12 grams of the total weight of the drum.
3.17 The wing plate shall be balanced separately, and the precision level shall not be lower than 6.3. Only heavy weight treatment is allowed. The total balance weight shall not exceed 15g. 3. The main shaft shall be subjected to non-destructive flaw detection and inspection. No cracks, white spots, folds, looseness, pores and inclusions are allowed. 3.19 The deviation of the axis of each spindle component is not more than 0.0TSmm2
JB9098-1999
On the machine body, the circumferential error of the middle and lower three axes is not more than 0.15mm. 3.20
3.2 The verticality error of the bearing hole on the machine body to the axis is not more than 0.05mm: 3.22 The tolerance grade of the rolling bearing shall not be lower than the 5th grade specified in GB/T3073. 3.23
The driving pulley shall be balanced, and the total weight shall not exceed 10g. The surface of the final work of the separator shall be painted in accordance with the regulations of 1?. 3.24
3.25 Under normal use, the separator has almost no malfunction time (excluding the time for replacing the latest parts) of at least 1000h. 3.26 Safety requirements: The safety requirements of the separator should comply with the provisions of JH866. 4. Test method
4.1 Instruments for measuring strength, meters
The position meter and the precision of the separator performance test are shown in Table 1. New instruments should be calibrated by the relevant department and within the specified validity period of the calibration.
Drum test pot efficiency
Production efficiency
(water overload)
4.2. Transition strength test
Transition meter
Current meter
Position meter
Voltmeter
Heart width meter
4. 2. The strength test of the separator drum shall be carried out by one of the following methods: Measure the accuracy level of the separator drum on a special test bench with a receiver or a slow meter. h) The separator drum shall be tested on a special test bench under water filling: h) The separator drum shall be tested for overload operation on the test bench or on the body of the separator. 4.2.2 Overspeed operation test
4.2.2.1 Overspeed operation test shall be carried out on a special test device. The test equipment of the separator (test bench shall follow the principle of the figure in Appendix B [Reminders] and meet the following requirements: a) The test equipment shall ensure the production capacity requirements of the separator: 6) The volume of the metering operation shall be sufficient to absorb the continuous operation time of the separator for not less than 30 minutes: c) The motor power and speed of the special test machine on the test bench shall be able to be adjusted to the rated power and 1.1 rpm of the separator.
4.2.2.2 The test speed is 1.30 times of the working speed of the drum. 3
4.2.2.3 The overspeed operation test time is 30 minutes. 4.3.3 Overload operation test of the drum
JB/T9098—1999
4.2.3.1 The overload operation test is carried out on the test bench or the extension itself. 4.2.3.2 The test speed is the working speed of the drum. 1.2.3.3 The drum is filled with 2.5gm of material for overload. 4.2.3.4 The test time of super-speed operation is 30min. 4.2.4 After the strength test, check according to 3.12 and 3.13, and check the external parts of the drum. When the plastic part is deformed to 0.2% of its original size, a flaw detection is carried out to verify the specific strength. 4.3 Test of production capacity
The test of production capacity is carried out on the test bench of the sub-machine. The water flow test shall not be less than the rated value. 4.4 Determination of power consumption
The total output of the main motor is measured, and the production capacity for a period of time is measured, and then the power consumption is calculated (k·h). 4.5 Vibration intensity test
The vibration intensity test of the sub-machine is in accordance with the provisions of (RT[0895). 4.6 Noise test
The noise test of the separator is in accordance with the provisions of GB+10R94. 4.7 Determination of average daily failure rate time
The separator is in Under normal production conditions: the time from the start of operation to the occurrence of a fault that cannot be eliminated without stopping the machine (excluding the time for replacing wearing parts) is defined as the trouble-free time: test 5 separators and take their arithmetic average as the average trouble-free time. The test method is user feedback.
4.8 Speed measurement
Use non-contact measurement to measure only the rotation of the base shaft under normal separation conditions. 4.9 Bearing temperature measurement
At the bearing seat Measure the temperature of the bearing on the outer surface. For the independent bearing seat of the rotating structure, the temperature should be within 2 hours after the machine stops. 4.10 Measurement of the inertia stopping time
In the water-filled state, measure the time from the maximum working speed of the rotating machine to the rotating machine stopping operation. 4.11 Record content
Recommended format Appendix C (Appendix 5 Inspection rules for quick reference
5.1 Product inspection of separators is divided into! Inspection and type inspection. Type inspection should be carried out when one of the following conditions occurs: a) During the technical appraisal of new product trial production
h) After formal production, if there are significant changes in the structure, materials, and processes, which may affect the product performance:) "The inspection results show that there are significant differences in the last type inspection; d) When the national weight supervision agency proposes type inspection requirements. 5.2 Type inspection should include the following contents:
Various document inspections before operation:
b) Rotary joint strength test:
) 1.1 Before the test, the following documents should be inspected: 1) Material certificate or specification report of main parts; 2) Certificate of quality of the purchased parts; 3) Flaw detection inspection report of drum and soil conveyor; 4) Balance test report of rotor modification. ：
with) intergranular corrosion test report of austenitic stainless steel welded parts, 6.2.2 Drum strength test
5.2.2.1 Separator drum strength test is required to be carried out by one of the following methods: a) overspeed test:
b) overload test.
5.2.2.2 After the strength test, the rotating control 3.12-3.14 inspection and appearance inspection are carried out. [Results of the rotation effect are as follows: the plastic deformation value exceeds When the separator is 0.2% of the original size, the test is carried out.
5.2.3 Separator running test
5.2.3.1 The separator is tested for idling at the operating speed T. for at least 30m. 5.2.3.2 The idling test shall meet the following requirements: no collision and abnormal noise during operation;
b) stable operation, the vibration intensity in the middle of the machine body is not more than 7.1 short; the starting voltage is not greater than the motor The starting time is 60-905 times of the rated current;
The speed shall not be lower than 198% of the rated speed; 0The temperature rise of the rolling shaft is less than 35;
g) The noise of the separator (A-weighted sound pressure level) is not more than 8BdB(A); h) The self-inertia parking time is greater than 6mn
3.Z.4 Separator load test
5.7.4.1. For the idling test, select the load test chamber. 5.2.4.2 The load test operation time shall not be less than 1h 5.2.4.3 The load test shall meet the following requirements: a) According to the rated air-water test
, the measured vibration in the middle of the fuselage shall not exceed 1h; d) The temperature rise of the motor during operation shall not exceed its rated value; e) The transmission speed shall not be lower than 97% of the rated speed; and there shall be no leakage in the inlet and outlet systems; f) The noise of the full-load separator (A-rated outlet pressure level) shall not be greater than 88dD(A); h) The production capacity shall be measured and the cost shall be greater than the rated value. 5.2.5 The appearance inspection shall meet the requirements of 3.24. 5.3 Delivery inspection
5.3 Each delivery machine shall be inspected at the front of the factory and accepted by the manufacturer's demand inspection department. 5.3.2 Inspection items are 5.2.1, 5.2.3-5.2.56 Labeling, packaging, transportation and storage
6.1 Labeling
Each separator shall be fixed with a product label in an obvious position, and the product label shall comply with the provisions of GB/T13306. The label shall include: a) Separator name and name:
b) Main technical parameters:
Drum diameter, mm;
Power, kw;
Rotation speed, Thmin||Throughput (Lh;
Maximum separation height:
c) Product number:
d) Date of issue:
e) Manufacturer's name.
6.2 Packaging
6.2.1 The packaging of the separator shall comply with the provisions of GB/T13384. 6.2.1 The outer surface of the electroplated parts of the separator shall be unpainted and anti-rust treatment shall be done before packaging. 6.1.3 The drum and the main machine shall be packaged separately. 6.2.4 The packaging box marking shall comply with the provisions of GR191. 6.2.5 The separator must be accompanied by the following documents when leaving the factory: a) Packing list; b) Product certificate; c) Product manual (including basic installation materials; and c) Spare parts and accessories list. 6.3 Transportation: During the shipment of the separator, it is not allowed to tip over or turn over. 6.4 Storage: The separator should be stored in a place with relative humidity not exceeding 70%, temperature below 40°C, and with filtration. JB/T9098-1999 Appendix A (Appendix to the standard) The allowable unbalance A1 of the dynamic balancing of the separator components is determined according to the formula (AI), and the unbalance is expressed as the product of weight and diameter. The allowable unbalanced weight-diameter product is Ge
, where: M—allowable unbalanced weight-diameter product, g·cmG, etc., component Donglei, kg:
(allowable offset of center of gravity, μ,
value is determined by formula (A2)
4x1000
where:
rotation angle, radrs;
A-dynamic half-balance accuracy level, 4 to 6.3. (AI
·(A2)
The M value calculated by formula (A]) is the total allowable unbalanced weight-diameter product at the center of gravity of the piano. When used in production, the M value is divided into two parts, and the allowable unbalanced weight-diameter product on the two calibration planes is calculated respectively. The value is determined by formula (^3) and (A4).
Where: M——allowable unbalanced radial product of correction plane I1, m: distance from the center of gravity of the part to the correction plane, Inm1. Figure 1 Schematic diagram of separator test device Figure B, Appendix B (photographed)
Separator test device schematic diagram
Blood swelling film
Figure 1: Schematic diagram of separator test device (test bench) Flow modification
C1 Machine performance test See Table C1,
System name
Convert to radial | |tt||Transformer
Separation factor
Maximum loading disc
Motor speed
JB/T9098—1999
Appendix C
[Reminder Appendix]
Separator performance test record fee
Table c1
Product model
Overall dimensions [length × weight × quotient) mm
Total weight
For overspeed test, see Table 2.
For the test route of over-speed transmission, see Table 3,
Machine number
Positive and negative
Full load
Base radiation B(A)
Simulated negative
Elastic support
Rigid support
Test equipment
Motor
Transmission ratio
Test equipment
Motor
Transmission chainwwW.bzxz.Net
Rated speed
Design according to drum
Transmission sensitivity type
Transmission test
Transmission test
Over-speed rate
Over-silent rate
Machine performance test record see Table C4.
Rotation
Electric milk speed
rrmuin
Performance test items
Production capacity (water penetration) 1h
Operating system
Bearing lift
Free running time
Test area
kw·hl
JB/T9098—1999
Kaiqi continent number
Operating conditions
Three motor power
High position
Wuhan Guangle power
Test time
Recorder
Spray end type
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