CN106053038A - Gas-liquid-dual-purpose safety valve discharge capacity test device and test method - Google Patents
Gas-liquid-dual-purpose safety valve discharge capacity test device and test method Download PDFInfo
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- CN106053038A CN106053038A CN201610407187.6A CN201610407187A CN106053038A CN 106053038 A CN106053038 A CN 106053038A CN 201610407187 A CN201610407187 A CN 201610407187A CN 106053038 A CN106053038 A CN 106053038A
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Abstract
The invention provides a gas-liquid-dual-purpose safety valve discharge capacity test device. Another technical scheme is that the invention provides a gas safety valve discharge capacity test method based on the gas-liquid-dual-purpose safety valve discharge capacity test device. Another technical scheme is that the invention provides a liquid safety valve discharge capacity test method based on the gas-liquid-dual-purpose safety valve discharge capacity test device. Liquid and air safety valve discharge capacity test benches are combined organically, and a corresponding operation process flow is specially made for a safety valve test system, thereby effectively saving construction land, device investment and maintenance cost and the like.
Description
Technical field
The present invention relates to the assay device of the Methods of Safety Valve Discharge Capacity of a set of gas liquid two purpose.
Background technology
Relief valve is last one overpressure protection apparatus of pressure bearing system, is main on boiler, pressure vessel, bearing pipe
Safety attachment.In order to effectively reduce the pressure within pressure bearing system, it has to be ensured that it has during the discharge of relief valve superpressure
Enough discharge capacitys, all relief valve series all has to pass through flow rate test in R&D process, to ensure that it meets standard and wants
Ask.
Present relief valve divides according to Applicable media, can be divided into liquid safe valve and gas safety valve.And liquid peace
The discharge coefficient of full valve needs liquid safe valve test bench location to go test, and gas safety valve needs gas safety valve test bench location to go
Test.This is the common situation of current all safety valve testing platform positions.And if a relief valve manufacturer produces two simultaneously
During the relief valve of type, also it is necessary for setting up liquid safe valve test bench location and gas safety valve testing table position respectively, so
Both occupy too much land area and too increase the cost of equipment construction.
Liquid safety valve test platform and the gaseous state safety valve test platform of present each relief valve producer are separately to build
If even some producer establishes the Methods of Safety Valve Discharge Capacity test bench location that steam is special the most specially.But the merit of these test bench location
Can be single.That is the test(ing) medium of air test platform position can only be compressed air；The test of liquid safe valve test bench location
Medium can only be water.Two cover systems are incompatible.So will result in the most unnecessary waste: 1, two overlap test bench location needs
Hew out the place needed for two test bench location respectively, can not interfere, cause the waste in terms of occupation of land and building；2, build
If two set test bench location, some equipment such as pressure vessel or compressor that originally can be general also must buy two sets, so
Cause the waste of equipment；3, two test bench location are also required to safeguard respectively during one's term of military service, so also result in and safeguard into
This waste；4, even will consider two set equipment power consumption simultaneously and water consumption in Factory Electricity Supply and water supply process, cause
The waste that the capacity of power supply water system increases and produces.
Summary of the invention
The technical problem to be solved in the present invention: use a test platform to complete the test of liquid Methods of Safety Valve Discharge Capacity and gaseous state
Methods of Safety Valve Discharge Capacity is tested.
In order to solve above-mentioned technical problem, a technical scheme of the present invention there is provided a kind of gas liquid two purpose test safety
The assay device of valve discharge capacity, it is characterised in that include compressor, pressure vessel one, pressure vessel two, pressure vessel three and control
System and tubing, compressor communicates with pressure vessel two via valve one, and the outlet of pressure vessel two is successively via switch
Valve one, regulation valve one, effusion meter one, switch valve two communicate with the import of pressure vessel one, and the drain at pressure vessel one connects
Being connected to quick release valve one, tested gas safety valve is connected with pressure vessel one via isolating valve one；
Pressure vessel two communicates with pressure vessel three via switch valve three, effusion meter two；Fluid to be measured relief valve via every
Pressure vessel three is connected from valve two；Drain at pressure vessel three connects quick release valve two；Pressure vessel two is via cut-off
Valve one connects watering, and the liquid level mouth of pressure vessel two connects liquidometer via stop valve two；The outlet of pressure vessel one also depends on
The secondary import connecting pressure vessel two via switch valve four, regulation valve two, switch valve five；
During gas test, pressure vessel one is test chamber, and pressure vessel two is as accumulator, at switch valve three
In closed mode, i.e. pressure vessel three is in idle state.But in liquid safe valve process of the test, pressure vessel one is storage
Energy device, pressure vessel container two is water storage pressure vessel, and pressure vessel three is test chamber.In order to ensure whole system safety
Valve runs reliably, and the design pressure of pressure vessel one, two, three is identical.
Switch valve one, regulation valve one, switch valve two, quick release valve one, isolating valve one, switch valve three, isolating valve two, open
Close valve four, regulation valve two, switch valve five, quick release valve two by control system control；
Pressure vessel one, pressure vessel two, pressure vessel three, effusion meter one, tested relief valve, stream is gathered by control system
Gauge two, the data of fluid to be measured relief valve.The measurement of all data and acquisition precision and control accuracy GB to be met and
The requirement of ASME.
Preferably, described pressure vessel one, pressure vessel two, pressure vessel three are respectively equipped with relief valve one, safety
Valve two and relief valve three.
Preferably, it is connected between described stop valve one with described pressure vessel two and has check-valves one；At described valve one
It is connected with between described pressure vessel two and has check-valves two.
Preferably, described compressor also connects described pressure vessel one via valve two and check-valves three.
Preferably, the interface being connected with described effusion meter two of described pressure vessel three is provided with valve three, described
The interface being connected with described switch valve three of pressure vessel three is provided with valve four, is provided with valve on described pressure vessel one
Five.
Another technical scheme of the present invention there is provided a kind of based on above-mentioned gas liquid two purpose test Methods of Safety Valve Discharge Capacity
The gas safety valve capacity test method of assay device, it is characterised in that comprise the following steps:
Step 1, opening control；
Step 2, open valve one, switch valve one, regulation valve one, switch valve two, isolating valve one, other all valves are transferred to
Closed mode；
Step 3, start compressor, give pressure vessel two and pressure vessel one supercharging slowly, when pressure vessel two and
After the pressure of pressure vessel one reaches 90% tested safety valve set pressure, closing switch valve one, regulation valve one, stop pressure
Force container one pressurizes；
Step 4, compressor continue to pressurize in pressure vessel two, after pressure reaches preset value, enter step 5；
Step 5, maintained switch valve one are closed, and the regulation valve one of pressure vessel one import is opened to certain aperture, and this is opened
Number of degrees value opens high level equal to the specified of tested relief valve；
Step 6, open the switch valve one of pressure vessel one import and from valve one, manually button pressure of pressure vessel one
The aperture of the regulation valve one of import department makes pressure vessel one pressure, effusion meter one stable reading in desired value, gathers and records phase
Close data, open quick release valve one afterwards, make pressure vessel one pressure drop to the set-pressure of tested relief valve of 80%；
If there is accident, pressure vessel one pressure is more than 115% tested safety valve set pressure, and control system will be automatically
Switch valve one on safety interlocking closing presure container one admission line, switch valve two, and open quick release valve one, pressure holds
When device one pressure is down to tested relief valve 80% set-pressure, quick release valve one is closed in hand-reset；
Step 7, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat
Again test until pass the test or scene determine termination test after testing or relief valve being carried out field adjustable；
Step 8, according to step 2 to step 7, complete other twice long run test, carry out variance analysis according to test data,
If in the margin of tolerance of the precision that the test data surveyed specify in standard, being successfully completed test, otherwise termination test, analysis reason
And test separately after adjusting.
Another technical scheme of the present invention there is provided a kind of based on above-mentioned gas liquid two purpose test Methods of Safety Valve Discharge Capacity
The liquid safe valve capacity test method of assay device, it is characterised in that comprise the steps:
Step 1, opening control, open switch valve three, and other all valves are transferred to closed mode；
Step 2, manual unlocking stop valve one and stop valve two, water-filling in pressure vessel two and pressure vessel three, to peace
Water level required for full valve liquid pilot；
Step 3, open switch valve four, regulation valve two, switch valve five, it is ensured that can give pressure vessel one, pressure vessel two, press
Force container San Tong method supercharging；
Step 4, start compressor, give pressure vessel one, pressure vessel two and pressure vessel three supercharging lentamente, when more than
After the pressure of three containers reaches 90% fluid to be measured safety valve set pressure, closing switch valve four, regulation valve two, it is right to stop
Pressure vessel two and pressure vessel three pressurize；
Step 5, compressor continue to pressurize in pressure vessel one, after pressure reaches preset value, and entrance step 6:
Step 6, maintained switch valve four are closed, and the regulation valve two of pressure vessel triple feed inlet is opened to certain aperture, and this is opened
Number of degrees value opens high level equal to the specified of fluid to be measured relief valve；
Step 7, open the switch valve four of pressure vessel two import and the isolating valve two of fluid to be measured arranged at safety valve, pass through hands
The aperture of the regulation valve two at dynamic button pressure of pressure vessel triple feed inlet makes pressure vessel three pressure, effusion meter two stable reading exist
Desired value, gathers and records related data, opens quick release valve two afterwards, make pressure vessel three pressure drop to 80% tested
The set-pressure of liquid safe valve；
If there is accident, pressure vessel three pressure is more than 115% fluid to be measured safety valve set pressure, and control system will
Switch valve four on automatic safe chain closing presure container two admission line, switch valve five, and open quick release valve two, pressure
When force container three pressure is down to fluid to be measured relief valve 80% set-pressure, hand-reset quick release valve two；
Step 8, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat
Again test until pass the test or scene determine termination test after testing or relief valve being carried out field adjustable；
Step 9, according to step 3 to step 8, complete other twice long run test, carry out variance analysis according to test data,
If in the margin of tolerance of the precision that the test data surveyed specify in standard, being successfully completed test, otherwise termination test, analysis reason
And test separately after adjusting.
The present invention is organically combined togather liquid and air-safety valve capacity test platform position, and tries for this relief valve
The corresponding operation technological process of check system tailor.Thus it is effectively saved construction land, equipment investment and maintenance cost
Deng.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention, and in figure, circle horizontal line represents that data acquisition line concentration, transverse line represent control line, and signal is all
Sent by the computer in figure or gathered.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
In conjunction with Fig. 1, the assay device of a kind of gas liquid two purpose test Methods of Safety Valve Discharge Capacity that the present invention provides, including compressor 1,
Pressure vessel 1, pressure vessel 23, pressure vessel 34 and control system 28.In pressure vessel 1, pressure vessel 23, pressure
Relief valve 1, relief valve 2 12 and relief valve 3 32 it is respectively equipped with on force container 34.Pressure vessel 1 is provided with valve
5 27
Compressor 1 communicates with pressure vessel 23 via valve 1, and the outlet of pressure vessel 23 is successively via switch valve one
19, regulation valve 1, effusion meter 1, switch valve 2 22 communicate with the import of pressure vessel 1, putting of pressure vessel 1
Connection of eating dishes without rice or wine has quick release valve 1, tested relief valve 24 to be connected with pressure vessel 1 via isolating valve 1；
Pressure vessel 23 communicates with pressure vessel 34 via switch valve 3 29, effusion meter 2 30；At pressure vessel 34
The interface being connected with effusion meter 2 30 is provided with valve 3 31, on the interface being connected with switch valve 3 29 of pressure vessel 34
It is provided with valve 4 18；Fluid to be measured relief valve 34 connects pressure vessel 34 via isolating valve 2 33；Putting of pressure vessel 34
Eat dishes without rice or wine to connect quick release valve 2 35；Pressure vessel 23 connects fire hydrant 15, pressure via stop valve 1, check-valves 1
The liquid level mouth of container 23 connects liquidometer 16 via stop valve 2 17 and check-valves 28；The outlet of pressure vessel 34 is the most successively
Via switch valve 49, regulation valve 2 10, the import of switch valve 5 11 connection pressure vessel 23；
Compressor 1 also connects pressure vessel 1 via valve 25 and check-valves 37；
Switch valve 1, regulation valve 1, switch valve 2 22, quick release valve 1, isolating valve 1, switch valve three
29, isolating valve 2 33, switch valve 49, regulation valve 2 10, switch valve 5 11, quick release valve 2 35 are controlled by control system 28
System；
Pressure vessel 1, pressure vessel 23, pressure vessel 34, effusion meter 1, tested safety is gathered by control system
Valve 24, effusion meter 2 30, the data of fluid to be measured relief valve 34.
A kind of gas safety valve capacity test method that the present invention provides, comprises the following steps:
Step 1, opening control 28；
Step 2, open valve 1, switch valve 1, regulation valve 1, switch valve 2 22, isolating valve 1, other institutes
Valve is had to be transferred to closed mode；
Step 3, startup compressor 1, give pressure vessel 23 and pressure vessel 1 supercharging, slowly when pressure vessel 23
And after the pressure of pressure vessel 1 reaches 90% tested relief valve 24 set-pressure, closing switch valve 1, regulation valve one
20, stop pressure vessel 1 is pressurizeed；
Step 4, compressor 1 continue to pressurize in pressure vessel 23, after pressure reaches preset value, enter step 5；
Step 5, maintained switch valve 1 are closed, and the regulation valve 1 of pressure vessel 1 import is opened to certain aperture,
This aperture numerical value opens high level equal to tested the specified of relief valve 24；
Step 6, open the switch valve 1 of pressure vessel 1 import and from valve 1, manually button regulation pressure
Container 1 import department regulation valve 1 aperture make pressure vessel 1 pressure, effusion meter 1 stable reading in desired value,
Gather related data, open quick release valve 1 afterwards, make pressure vessel 1 pressure drop to the tested relief valve 24 of 80%
Set-pressure；
If there is accident, pressure vessel 1 pressure is more than 115% tested relief valve 24 set-pressure, control system 28
By the switch valve 1 on chain for automatic safe closing presure container 1 admission line, switch valve 2 22, and open rapid blow-down
Valve 1, when pressure vessel 1 pressure is down to tested relief valve 2480% set-pressure, quick release valve one is closed in hand-reset
26；
Step 7, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat
Again test until pass the test or scene determine termination test after testing or relief valve being carried out field adjustable；
Step 8, according to step 2 to step 7, complete other twice long run test, carry out variance analysis according to test data,
If in the margin of tolerance of the precision that the test data surveyed specify in standard, being successfully completed test, otherwise termination test, analysis reason
And test separately after adjusting.
A kind of liquid safe valve capacity test method that the present invention provides, comprises the steps:
Step 1, opening control 28, open switch valve 3 29, other all valves are transferred to closed mode；
Step 2, manual unlocking stop valve 1 and stop valve 2 17, fill in pressure vessel 23 and pressure vessel 34
Water, to the water level required for relief valve liquid pilot；
Step 3, open switch valve 49, regulation valve 2 10, switch valve 5 11, it is ensured that hold to pressure vessel 1, pressure
The supercharging simultaneously of device 23, pressure vessel 34；
Step 4, startup compressor 1, give pressure vessel 1, pressure vessel 23 and pressure vessel 34 supercharging lentamente, when
After the pressure of three above container reaches 90% fluid to be measured relief valve 34 set-pressure, closing switch valve 49, regulation valve two
10, stop pressure vessel 23 and pressure vessel 34 are pressurizeed；
Step 5, compressor 1 continue to pressurize in pressure vessel 1, after pressure reaches preset value, enter step 6；
Step 6, maintained switch valve 49 are closed, and the regulation valve 2 10 of pressure vessel 34 import is opened to certain aperture,
This aperture numerical value opens high level equal to the specified of fluid to be measured relief valve 34；
Isolating valve 2 33 at step 7, the switch valve 49 opening pressure vessel 23 import and fluid to be measured relief valve 34,
Manually the aperture of the regulation valve 2 10 of button pressure of pressure vessel 34 import department makes pressure vessel 34 pressure, effusion meter two
30 stable reading, in desired value, gather related data, open quick release valve 2 35 afterwards, make pressure vessel 34 pressure drop to
The set-pressure of the fluid to be measured relief valve 34 of 80%；
If there is accident, pressure vessel 34 pressure, more than 115% fluid to be measured relief valve 34 set-pressure, controls system
System 28 is by the switch valve 49 on chain for automatic safe closing presure container 23 admission line, switch valve 5 11, and opens quickly
Atmospheric valve 2 35, when pressure vessel 34 pressure is down to fluid to be measured relief valve 3480% set-pressure, hand-reset rapid blow-down
Valve 2 35；
Step 8, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat
Again test until pass the test or scene determine termination test after testing or relief valve being carried out field adjustable；
Step 9, according to step 3 to step 8, complete other twice long run test, carry out variance analysis according to test data,
If in the margin of tolerance of the precision that the test data surveyed specify in standard, being successfully completed test, otherwise termination test, analysis reason
And test separately after adjusting.
Claims (7)
1. the assay device of a gas liquid two purpose test Methods of Safety Valve Discharge Capacity, it is characterised in that include compressor (1), pressure vessel
One (2), pressure vessel two (3), pressure vessel three (4) and control system (28), compressor (1) is via valve one (6) and pressure
Container two (3) communicates, and the outlet of pressure vessel two (3) is successively via switch valve one (19), regulation valve one (20), effusion meter one
(21), switch valve two (22) communicate with the import of pressure vessel one (2), the drain at pressure vessel one (2) connects to be had quickly
Atmospheric valve one (26), tested relief valve (24) is connected with pressure vessel one (2) via isolating valve one (25)；
Pressure vessel two (3) communicates with pressure vessel three (4) via switch valve three (29), effusion meter two (30)；Fluid to be measured is pacified
Full valve (34) connects pressure vessel three (4) via isolating valve two (33)；Drain at pressure vessel three (4) connects rapid blow-down
Valve two (35)；Pressure vessel two (3) connects watering via stop valve one (14), and the liquid level mouth of pressure vessel two (3) is via cutting
Only valve two (17) connects liquidometer (16)；The outlet of pressure vessel three (4) is the most successively via switch valve four (9), regulation valve two
(10), switch valve five (11) connects the import of pressure vessel two (3)；
Switch valve one (19), regulation valve one (20), switch valve two (22), quick release valve one (26), isolating valve one (25), switch
Valve three (29), isolating valve two (33), switch valve four (9), regulation valve two (10), switch valve five (11), quick release valve two (35)
Controlled by control system (28)；
Pressure vessel one (2), pressure vessel two (3), pressure vessel three (4), effusion meter one (21), tested is gathered by control system
Relief valve (24), effusion meter two (30), the data of fluid to be measured relief valve (34).
The assay device of a kind of gas liquid two purpose the most as claimed in claim 1 test Methods of Safety Valve Discharge Capacity, it is characterised in that described
Relief valve one (23), relief valve two (12) it is respectively equipped with on pressure vessel one (2), pressure vessel two (3), pressure vessel three (4)
And relief valve three (32).
The assay device of a kind of gas liquid two purpose the most as claimed in claim 1 test Methods of Safety Valve Discharge Capacity, it is characterised in that described
It is connected between stop valve one (14) with described pressure vessel two (3) and has check-valves one (13)；In described valve one (6) and described pressure
Connect between force container two (3) and have check-valves two (8).
The assay device of a kind of gas liquid two purpose the most as claimed in claim 1 test Methods of Safety Valve Discharge Capacity, it is characterised in that described pressure
Contracting machine (1) also connects described pressure vessel one (2) via valve two (5) and check-valves three (7).
The assay device of a kind of gas liquid two purpose the most as claimed in claim 1 test Methods of Safety Valve Discharge Capacity, it is characterised in that described
The interface being connected with described effusion meter two (30) of pressure vessel three (4) is provided with valve three (31), at described pressure vessel three
(4) the interface being connected with described switch valve three (29) is provided with valve four (18), is provided with valve on described pressure vessel one (2)
Door five (27).
6. the gas safety valve discharge capacity of the assay device testing Methods of Safety Valve Discharge Capacity based on the gas liquid two purpose described in claim 1
Test method, it is characterised in that comprise the following steps:
Step 1, opening control (28)；
Step 2, open valve one (6), switch valve one (19), regulation valve one (20), switch valve two (22), isolating valve one (25),
Other all valves are transferred to closed mode；
Step 3, startup compressor (1), give pressure vessel two (3) and pressure vessel one (2) supercharging, slowly when pressure vessel two
(3) and after the pressure of pressure vessel one (2) reaches 90% tested relief valve (24) set-pressure, closing switch valve one
(19), regulate valve one (20), stop pressure vessel one (2) is pressurizeed；
Step 4, compressor (1) continue pressurization in pressure vessel two (3), after pressure reaches preset value, enter step 5；
Step 5, maintained switch valve one (19) are closed, and the regulation valve one (20) of pressure vessel one (2) import is opened to necessarily open
Degree, this aperture numerical value opens high level equal to the specified of tested relief valve (24)；
Step 6, open the switch valve one (19) of pressure vessel one (2) import and from valve one (25), manually button regulation pressure
The aperture of the regulation valve one (20) of force container one (2) import department makes pressure vessel one (2) pressure, effusion meter one (21) stable reading
In desired value, gather related data, open quick release valve one (26) afterwards, make pressure vessel one (2) pressure drop to 80%
The set-pressure of tested relief valve (24)；
If there is accident, pressure vessel one (2) pressure is more than 115% tested relief valve (24) set-pressure, control system
(28) by the switch valve one (19) on chain for automatic safe closing presure container one (2) admission line, switch valve two (22), and open
Open quick release valve one (26), when pressure vessel one (2) pressure is down to tested relief valve (24) 80% set-pressure, hand-reset
Close quick release valve one (26)；
Step 7, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat test
Or again test after relief valve is carried out field adjustable until pass the test or scene determine termination test；
Step 8, according to step 2 to step 7, complete other twice long run test, carry out variance analysis according to test data, if survey
The margin of tolerance of precision that specifies in standard of test data in, be successfully completed test, otherwise termination test, analyze reason and tune
Test separately after whole.
7. the liquid safe valve discharge capacity of the assay device testing Methods of Safety Valve Discharge Capacity based on the gas liquid two purpose described in claim 1
Test method, it is characterised in that comprise the steps:
Step 1, opening control (28), open switch valve three (29), other all valves are transferred to closed mode；
Step 2, manual unlocking stop valve one (14) and stop valve two (17), in pressure vessel two (3) and pressure vessel three (4)
Water-filling, to the water level required for relief valve liquid pilot；
Step 3, open switch valve four (9), regulation valve two (10), switch valve five (11), it is ensured that can give pressure vessel one (2), press
Force container two (3), pressure vessel three (4) supercharging simultaneously；
Step 4, startup compressor (1), increase to lentamente pressure vessel one (2), pressure vessel two (3) and pressure vessel three (4)
Pressure, after the pressure of three above container reaches 90% fluid to be measured relief valve (34) set-pressure, closing switch valve four
(9), regulate valve two (10), stop pressure vessel two (3) and pressure vessel three (4) are pressurizeed；
Step 5, compressor (1) continue pressurization in pressure vessel one (2), after pressure reaches preset value, enter step 6；
Step 6, maintained switch valve four (9) are closed, and the regulation valve two (10) of pressure vessel three (4) import is opened to necessarily open
Degree, this aperture numerical value opens high level equal to the specified of fluid to be measured relief valve (34)；
Step 7, the switch valve four (9) opening pressure vessel two (3) import and the isolating valve two at fluid to be measured relief valve (34) place
(33), manually the aperture of the regulation valve two (10) of button pressure of pressure vessel three (4) import department makes pressure vessel three (4) press
Power, effusion meter two (30) stable reading, in desired value, gather related data, open quick release valve two (35) afterwards, make pressure
Container three (4) pressure drops to the set-pressure of the fluid to be measured relief valve (34) of 80%；
If there is accident, pressure vessel three (4) pressure, more than 115% fluid to be measured relief valve (34) set-pressure, controls system
System (28) by the switch valve four (9) on chain for automatic safe closing presure container two (3) admission line, switch valve five (11), and
Open quick release valve two (35), when pressure vessel three (4) pressure is down to fluid to be measured relief valve (34) 80% set-pressure, hands
Dynamic reset quick release valve two (35)；
Step 8, Treatment Analysis result of the test, according to safety valve product each and test data, it may be judged whether continue to repeat test
Or again test after relief valve is carried out field adjustable until pass the test or scene determine termination test；
Step 9, according to step 3 to step 8, complete other twice long run test, carry out variance analysis according to test data, if survey
The margin of tolerance of precision that specifies in standard of test data in, be successfully completed test, otherwise termination test, analyze reason and tune
Test separately after whole.
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| CN201610407187.6A CN106053038B (en) | 2016-06-12 | 2016-06-12 | A kind of experimental rig and test method of gas liquid two purpose test Methods of Safety Valve Discharge Capacity |
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| CN106872154A (en) * | 2017-01-20 | 2017-06-20 | 合肥通用机械研究院 | A kind of Low lift safety valve discharge capacity test system and method for testing |
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| CN107655670A (en) * | 2017-09-28 | 2018-02-02 | 上海阀门厂股份有限公司 | A kind of safety valve testing device and a kind of safety valve testing method |
| CN108760279A (en) * | 2018-08-03 | 2018-11-06 | 超达阀门集团股份有限公司 | A kind of harsh operating mode valve tester that can monitor valve torque and sealing |
| CN109238686A (en) * | 2017-07-06 | 2019-01-18 | 北京康斯特仪表科技股份有限公司 | Detector for safety valve and safety valve detection method |
| CN109489972A (en) * | 2018-12-29 | 2019-03-19 | 重庆普惠斯阀门制造有限公司 | A kind of device for testing flow and the liquid communication ability detection method using the device |
| CN113074933A (en) * | 2021-03-18 | 2021-07-06 | 深圳市特种设备安全检验研究院 | Safety valve discharge capacity testing device and method |
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| CN107655670A (en) * | 2017-09-28 | 2018-02-02 | 上海阀门厂股份有限公司 | A kind of safety valve testing device and a kind of safety valve testing method |
| CN108760279A (en) * | 2018-08-03 | 2018-11-06 | 超达阀门集团股份有限公司 | A kind of harsh operating mode valve tester that can monitor valve torque and sealing |
| CN108760279B (en) * | 2018-08-03 | 2024-04-02 | 超达阀门集团股份有限公司 | Harsh working condition valve test device capable of monitoring valve torque and sealing |
| CN109489972A (en) * | 2018-12-29 | 2019-03-19 | 重庆普惠斯阀门制造有限公司 | A kind of device for testing flow and the liquid communication ability detection method using the device |
| CN113074933A (en) * | 2021-03-18 | 2021-07-06 | 深圳市特种设备安全检验研究院 | Safety valve discharge capacity testing device and method |
| CN113074933B (en) * | 2021-03-18 | 2024-05-03 | 深圳市质量安全检验检测研究院 | Safety valve displacement testing device and method |
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