This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage of oil isolation pumps. This standard is applicable to oil isolation with rated discharge pressure 2.5~12MPa, rated flow rate 30~250m3/h, medium temperature 5~80℃, medium weight concentration not greater than 65%, material particle size not greater than 2mm, and with oil isolation device Pump. JB/T 6437-1992 Oil isolation pump JB/T6437-1992 Standard download and decompression password: www.bzxz.net

_J71
JB
Mechanical Industry Standard of the People's Republic of China
JB/T 6437-92
Oil isolation pump
Released on 1992-07-20| tt||Ministry of Mechanical and Electronic Industry of the People's Republic of China 1993-01-01 Implementation
Published
Machinery Industry Standard of the People's Republic of China
Oil Isolation Pump
1 Guest within the topic and scope of application
JB/T6437-92
This standard specifies the basic parameters, technical requirements, test methods, inspection regulations, marking, packaging and storage of oil isolation pumps. This standard is applicable to oil isolation with rated discharge pressure 2.5~12MPa, rated flow rate 30~250m*/h, medium temperature 5~80C, medium weight concentration not greater than 65%, material particle size not greater than 2mm, and with oil isolation device Ticket (hereinafter referred to as \pump\). Reference standards
GB150
GB778+
GB7785
GB 9112
GB10C95||GB11473
GB/T 13306|| tt || GB/T 13384 | | tt | Reciprocating pump classification and terminology
Steel pipe flange type
Involute cylindrical gear accuracy
Reciprocating ticket model compilation method
Signage
Electromechanical General technical conditions for product packaging
Reciprocating parts and components Hydraulic and leakage tests Ultrasonic flaw detection of steel plates for pressure vessels
Pump terminology is in accordance with the provisions of GB7785
Basic parameters
4
4.1 The pump model is in accordance with GB11473. 4.2 The basic parameters of the pump are specified in Table 1.
Table 1
Rated pressure
MPa
12
10
8.0
6.3
4.0
2.5
rated flow
m'/h
160
200
250
Ministry of Mechanical and Electronic Industry 1992 -07-20 Approved shaft
power
kw
650
680
rated pressure
MPa
12| |tt||10
8.0
6.3
4.0
2.5
rated flow
m\/h
100
160
200
250
shaft power
kw
511
544
530
Approved on 1993-01-01
1
Constant pressure
Amount
MPa
12
10|| tt||8.0
6. 3
4.0
2. 5
12
10
8.0
6 . 3
4. 0
2.5
12
10
8.0
6. 3
4.0|| tt||2.5
12
10
8. 6
6. 3
4. 0
2.5||tt| |12
10
8.0
6.3
4. 0
2. 5
12
10|| tt||8.0
6.3
4.0
2
rated flow
m'/h
100
125
160
200
80.0
100
125
160
250
63.0|| tt||80.0
100
125
200
50.0
63.0
80.0
100||tt| |160
250
40.0
50.0
630
800
125
200
400
500
630
100
JB/T6437—92
Continued Table 1
Shaft Power
kw| |tt||408
425
435
428
328
340
343
340||tt ||257
274
272
268
272
206
214
218
214
218
213
164
170
172
171
170
137| |tt||136
135
136
amount
constant pressure
MPa
2.5
12|| tt||10
8.0
6. 3
4. 0
2.5
12
10
8.0
6.3
4.0
2.5
10
8.0
6.3
4. 0
2.5
12
10
8.0
6.3
4. 0
2.5
12
10
8. 0
6.3
4.0
2. 0
12
10
4. 0|| tt||2.5
2.5
rated flow
m/h
160
30
40
50| |tt||80
125
30
40
63
100
30
50||tt ||80
40
63
30
50
40
30
Power
Axis
kw
136
104
103
109
107
109
106| |tt||82
86
85
64
68
54
41
43||tt ||34
26
JB/T 6437-92
4.3 piston directly selects the priority value of R10 series. 5 Technical Requirements
5.1 The pump shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. When the user has special requirements, it will be manufactured according to the agreement.
The pump containing No. 22 turbine oil in the isolation tank shall meet the following conditions during operation: 5.2
a.
No leakage on each static sealing surface;
No abnormality Sound and vibration:
b.
c.
d.
The interface display device of the oil isolation tank and the outlet air chamber, and the refueling and exhaust device should work normally Reliable: the oil temperature in the transmission box does not exceed 75°C.
5.3 The pump should be equipped with a safety valve or other form of overpressure protection device. The opening pressure of the safety valve is 1.05~1.25 times rated discharge pressure. 5.4 The noise of the pump is specified in Table 2.
Table 2
Rated power
kw
≤400
>400
5.5 Hydraulic test of pressurized parts and components according to ZBJ71018 Provisions. The leakage test of the transmission box and oil supply tank shall be in accordance with the provisions of ZBJ71018. 5.6
5.7
5.8
5.9
5.10
5.11
5.12
5.13
Noise Pressure level
dB(A)
90
93
The selected accessories, including rubber seals, springs, pressure gauges, etc., should comply with the relevant standards. . The oil separator is manufactured according to the regulations of GB150. The inlet and drain flanges of the
system should comply with the requirements of GB9112. The volume coefficient of the pump under rated operating conditions should not be less than 85% and the necessary net positive suction head should not be greater than the rated value. The pump efficiency under rated operating conditions should not be less than 80%. The total fuel consumption at the isolation end of each system should not be greater than 24g/m. Manufacturing technical requirements
5.13.1
5.13.2
5.13.3
5.13. 4
5.13.5
5.13. 6
The oil isolation tank should meet the level 2 requirements of ZBJ74003, and the gears of the transmission box should not be lower than the level 8 accuracy specified in GB10095. The quality of welded parts should comply with relevant standards. Center gear shaft, connecting rod frequency bolt: gear shaft and crosshead should be subjected to ultrasonic or magnetic particle inspection. The large and small pulleys and eccentric gears should be statically balanced, and their balance accuracy should comply with the requirements of the drawings. The seats, cones, and valve cores of the piston support and casing parts should be heat treated according to the requirements of the drawings, and their hardness should comply with Table 3. Regulations, Table 3
Parts and surface names
Leather rod friction surface
Seat
Valve increase surface and guide surface
Guide not The appearance painting quality of the guide cylinder surface
5.13.7 series should comply with the relevant standards and 5.14 assembly technical requirements
hardness requirements
241~286HB before plating, bond chromium Layer thickness 0.15mm58~62HRC
Carburization rate fire 52~56HRC
52~56HRC. Latent carbon layer thickness ≥1.8mm
3
JB/T6437-92
5.14.1 All parts should be inspected and passed the inspection before they can be assembled. Purchased parts and outsourcing parts should also have certificates before they can be assembled. 5.14.2 During assembly, the oil, water and compressed air in each component should be drained cleanly, and the inner cavity parts should be kept clean. When doing cleanliness inspection, the value of the residue in the transmission box is not greater than the provisions of Table 4. The cleanliness measurement method should comply with the provisions of the relevant standards. Table 4
Agglomeration volume
m'| |tt||Residue weight
mg
>0.5~1
5.000
>1~2
8.000
>2 ~5
15 000
>5~10
25 000
>10~20
40 000
>20~40
65000
>40
100000
5.14.3 After installing the piston cylinder with the cylinder liner and the reducer box together on the frame, the cylinder liner hole Inside, the axiality error between the three axes of the piston rod's packing sleeve hole and the crosshead slideway is not greater than 0.1mm. 5.14.4 Anti-rust measures should be taken for pump parts, special tools, ancillary devices and wearing parts. 5.15 The service life of the main wearing parts of the pump should not be less than that specified in Table 5. Table 5
zero
Part name
Weight
Piston sealing circle
Flag material
Valve and wide seat
piston, red sleeve
life
life
1300
1100
1200 | |tt | The fault-free life of the isolation should not be less than 10000h. Pumps supplied in complete sets include:
5.17
a.
One complete pump:
One electric motor:
b.||tt| |c. One set of special tools;
d, and no less than 1/2 set of random wearing parts. 5.18 Provided that the user abides by the various provisions of the product manual, the manufacturer shall provide a one-year warranty (excluding wearing parts) within 18 months from the date of shipment. During the warranty period, the product will be damaged due to poor manufacturing quality. If it is damaged or cannot work properly, the manufacturer shall be responsible for repairing or replacing the relevant parts free of charge.
6 Test methods and inspection rules
6.1 Test methods
6.1.1 Each pump shall be inspected by the technical inspection department before it can leave the factory. The test method shall be in accordance with the relevant requirements of GB7784 Regulation. 6.1.2 Determine the fuel consumption according to the following method: the total amount of oil consumed by the pump during continuous operation for a period of time (not less than 48 hours), in addition to the flow rate, 6.2 Inspection classification
Various types of inspections are connected to Table 6 Regulations:
4
Trial items
Trial operation
Load crown rotation test
Continuous inheritance test
Sex index test| |tt||Steam energy generation test
Rated operating condition performance test
Safety test
Sound test
Self-priming energy test
JB/T6437-92
Table 6
Inspection type
Type
V
×
V
V| |tt|| Test medium
'6.3
The test medium is normal temperature water.
6.4 Factory inspection
Each ticket should undergo factory inspection. Www.bzxZ.net
6.4.1
Send off at rated discharge pressure for no less than 6 hours. 6.4.2
6.4.3
a.
b.
The performance of the ticket should meet the following requirements:
The measured flow rate is not less than the rated value :
The rest of the performance shall comply with the provisions of Articles 5.2, 5.10 and 5.11. Type inspection
6.5
6.5.1
8.
b.
c.
6.5.2
Type inspection shall be carried out for those who fall into one of the following situations: First prototype of new product:
Factory-transferred product:
When the product has major changes in design, process and materials. Sampling
×
o
o
V
X
out
x
V| After the prototype of the |tt|| series of products passes the type test, products with lower power and lower discharge pressure than the prototype do not need to undergo type inspection. Continuous operation under constant ammonia load shall not be less than 10 hours, and the cumulative operation shall not be less than 50.h. 6.5.3
6.5.4
a
b.
c.
d.
During type inspection, the total load shall reach the following Requirements: The measured flow rate is not lower than the rated value:
The rolling bearing temperature of the reduction box does not exceed 75C; the safety device is sensitive and reliable;
The remaining performance should comply with the provisions of Articles 5.2, 5.10 and 5.11. 6.6 Sampling inspection
Pumps produced in batches should undergo routine sampling inspection to check the stability of the production process. 6.6.1
6.6.2
Products of the same model within one year The quantity serves as an inspection lot and the sampling time should be evenly distributed in 1a. 6.6.3 The inspection plan is based on the one-time sampling plan specified in Table 7: 5
7
Quantity
≤50
>50~100
>100~500
>500
Marking, packaging and storage
Sample size
2
3
5
8|| tt||JB/T 643792
Table 7
Number of qualified judgments A
o
1
2
Number of unqualified judgments R.
1
2
3
台
7.1 Each pump should be surrounded by a nameplate at an obvious location. The size and technical requirements of the nameplate should comply with GB/ The provisions of T13306. It should indicate the following:
a.
b.
c.
d.
e.||tt| |7. 2
7.3
7.4
7.5
7.6
Pump model and name:
Main technical parameters: Rated capacity , m*/h; rated discharge pressure, MPa; stroke length, mm; factory number:
year and month of factory:
manufacturer name.
The pump should be marked with a registered trademark, and the direction of rotation should be marked on the large pulley of the
pump. The heavy packaging should comply with the regulations of GB/T13384. The pump should be reliably enclosed in the box to avoid damage or loss during transportation. When each pump leaves the factory, the following documents should be accompanied by it and sealed in a moisture-proof bag: a.|| tt||b.
c.
d.
e.
7.7
Product Certificate;
Product Manual:| |tt|| General drawing and wearing parts drawing:
Foundation drawing:
Packing list.
Marking content on both sides of the packaging box:
a.
b.
c.
d.
Name of the receiving unit and Arrival location:
Product model and name:
Shipping station name and manufacturer name;
Gross weight, lifting position, upward and moisture-proof signs. Under normal storage conditions, the manufacturer should ensure that no rust occurs within six months from the date of shipment, 7.8
Additional notes:
This standard is approved by the Hefei General Machinery Research Institute of the Ministry of Mechanical and Electronic Industry Present and focus. This standard is drafted by Benxi Water Ticket Factory. The main drafters of this standard are Li Wenxing, Li Delin and Zhu Shoucheng. 6
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