CN202631201U - Well head apparatus ultra-high pressure gas seal test system - Google Patents
Well head apparatus ultra-high pressure gas seal test system Download PDFInfo
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- CN202631201U CN202631201U CN 201220170841 CN201220170841U CN202631201U CN 202631201 U CN202631201 U CN 202631201U CN 201220170841 CN201220170841 CN 201220170841 CN 201220170841 U CN201220170841 U CN 201220170841U CN 202631201 U CN202631201 U CN 202631201U
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Abstract
The utility model is a well head apparatus ultra-high pressure gas seal test system. The system comprises a pressurization system and a closed loop control system. The pressurization system comprises a gas inlet end, a pneumatic booster pump, an electromagnetic valve, an inlet gas control valve, and a pressure test port. The closed loop control system comprises a pressure reducing valve, an electromagnetic valve, a high pressure gas control valve, a pressure release gas control valve and a pressure sensor. According to the utility model, the pneumatic booster pump is used as a pressure source, the pneumatic booster pump uses compressed air as power drive, the size of the output pressure is proportional to the drive air pressure, the size of the drive air pressure is controlled by using the pressure reducing valve, the energy consumption is low, an outlet of the pneumatic booster pump is connected to the pressure sensor, and the pressure sensor can monitor the test pressure in real time so as to realize the closed loop control of the test pressure and improve the control precision. The system can realize low pressure quick filling, and can improve the test efficiency.
Description
Technical field
Utility model relates to the oil well head pressure test equipment, the testing equipment of the air tightness test of the well head set-uies such as being used for X-tree and preventer of saying so exactly.
Background technology
According to CNPC's industry relevant criterion; Oil recovery such as X-tree and preventer (gas) petroleum machinery product export all need be done air-tight test; Sealing property with testing product; Concrete decision method is that workpiece to be tested is connected to pressure testing device, and in workpiece, charges into the gas of the highest 210MPa, with the test piece submerged; See if there is the bubble that forms owing to the workpiece leakage and emerge from the water surface, test unit wants to detect the size of the pressure drop-out value that the gas leakage in the test piece causes in the process of the test simultaneously.
Existing testing apparatus all adopts the high-voltage electric ram pump as pressure source, and system pressure is regulated and adopted manual safety overflow valve to regulate, and device control adopts manual control mode, so the following defective of ubiquity.
1, pressure controling precision is not high.
2, the high pressure compressor power of motor is big, and energy consumption is high.
3, do not have pressure transducer, can only lean on pointer pressure viewing test pressure size.
4, can not generate the test report that has pressure-time trial curve automatically.
5, do not have video monitoring system, need the manual observation test piece whether to have bubble to emerge.
6, do not have superpressure to report to the police and shut down function, have potential safety hazard.
Summary of the invention
Therefore; For addressing the above problem, the purpose of the utility model provides a kind of well head set-up ultra high pressure gas leakage test system, and this system can adopt pneumatic supercharge pump as pressure source; Adopt closed-loop control system; Pressure controling precision is high, and the real-time monitoring test pressure of ability, and the warranty test process is safe and reliable.
Another purpose of the utility model is to provide a kind of well head set-up ultra high pressure gas leakage test system, and this system operation is easy to maintenance, adopts compressed air-driven, and energy consumption is low.
For achieving the above object, the technical scheme that the utility model is taked is following.
A kind of well head set-up ultra high pressure gas leakage test system is characterized in that this system includes compression system, closed-loop control system, and compression system includes gas access end, pneumatic supercharge pump, solenoid valve, air inlet Pneumatic valve and pressure testing mouth; Said closed-loop control system includes reduction valve, tensimeter, solenoid valve, high pressure Pneumatic valve, pressure release Pneumatic valve and pressure transducer; The gas access end includes and drives gas port and increase gas port in advance, wherein, drives gas port and connects filtrator, pressure regulator valve, solenoid valve; Solenoid valve is connected in the driving gas port of pneumatic supercharge pump again, increases gas port in advance and is connected in the air inlet Pneumatic valve, increases gas port in advance through what the air inlet Pneumatic valve directly connect pneumatic supercharge pump; Increasing gas parallel one tunnel in advance connects through reduction valve, tensimeter; Pneumatic supercharge pump outlet is connected to the high pressure Pneumatic valve, and the high pressure Pneumatic valve is connected in the pressure testing mouth, and pressure transducer is connected to the pressure testing mouth; The relief port connects pressure release Pneumatic valve, filtrator, the manual blowdown valve of parallel connection.The utility model adopts pneumatic supercharge pump as pressure source; Pneumatic supercharge pump adopts pressurized air as power drive, output pressure size and the proportional relation of drive air pressure, and drive air pressure size adopts low-pressure relief valve control; Energy consumption is low; Connect pressure transducer behind the pneumatic supercharge pump outlet Pneumatic valve two, pressure transducer monitoring test pressure in real time improves control accuracy to realize the closed-loop control of test pressure.
Said driving gas port is a 0.7MPa gas access end, and increasing gas port in advance is 12-35MPa gas access end, and said two gas access ends are parallel to pneumatic supercharge pump; 0.7MPa be used for driving pump action supercharging; 12-35MPa is used to be supercharged to the high-pressure air source of required pressure, and adopts optional pair of gas input of high-low pressure or preliminary filling, realizes the high-low pressure test; Can improve the equipment delivery rate, improve pressure testing efficient.
The described gas port that increases in advance is connected with high-pressure stop valve, and high-pressure stop valve is parallel to air inlet air inlet Pneumatic valve, is connected respectively on the pneumatic supercharge pump, can realize manually and independently supercharging medium air feed or preliminary filling work automatically.
The endpiece of said pneumatic supercharge pump is connected with outlet shutoff valve and high pressure Pneumatic valve; Be provided with the inlet stop valve between pneumatic supercharge pump and the driving gas port (0.7MPa gas access end); The inlet stop valve is parallel to solenoid valve; Can work alone respectively with solenoid valve, automatically with manually realize the operation of pump and stop.
Above-mentioned outlet shutoff valve is parallel with the high pressure Pneumatic valve, and the high pressure Pneumatic valve is connected with solenoid valve two simultaneously, and solenoid valve is connected on the low-pressure relief valve one again, and low-pressure relief valve one is connected in the driving gas port.Pneumatic valve cooperates solenoid valve to use, and can realize the remote auto control of high pressure valve; Therefore, the utility model can adopt manual control and two kinds of control modes of computer automatic control control, and output pressure can be provided with arbitrarily, and entire test can be operated completion on computers, under situation about having a power failure, also can make an experiment by manual handling equipment.
The endpiece of said pneumatic supercharge pump also is connected with the relief port, and is provided with before the relief port and unloads pressure cutoff valve and pressure release Pneumatic valve; Solenoid valve three is series on the pressure release Pneumatic valve, and the endpiece of pneumatic supercharge pump is received the relief port simultaneously through high pressure Pneumatic valve and stop valve two; So having manually, system overlaps depressurized systems with automatic two; Can guarantee under unexpected situation, when automatically unloading lost efficacy, promptly manually release.
Said gas access end also is connected with low-pressure relief valve, and low-pressure relief valve is connected to pneumatic supercharge pump.
Pneumatic supercharge pump is connected with safety overflow valve, if the superpressure situation can be passed through the safety overflow valve automatically unloading, ensures safety.
The driving gas port of gas access end and increase gas port in advance and be provided with filtrator is to filter out IMPURITIES IN.
The gas boosting pump increases gas circuit in advance and is provided with high-pressure pressure-reducing valve.
The parallel preliminary filling pipeline that one road band retaining valve is set of gas boosting pump.
Whether this device also is provided with video monitoring system, and video monitoring system comprises high-definition camera, DVR and monitor, only need manual observation test piece remote reviewing to have bubble to emerge.
The beneficial effect that the utility model adopts such scheme to produce is: realize the closed-loop control of pressure, control accuracy improves, and test figure is more accurate; Realize full-automatic Long-distance Control, operating personnel need not improve security, and alleviate labor intensity of operating personnel near pressure duct and valve; Pneumatic supercharge pump volume is little, and convenient operating maintenance adopts compressed air-driven, and energy consumption is low.
After video monitoring system was set, whether the leak case of viewing test product used video monitoring system, only need manual observation test piece remote reviewing to have bubble to emerge and get final product.
Description of drawings
The system architecture synoptic diagram that Fig. 1 implements for the utility model.
Embodiment
Shown in accompanying drawing 1 system principle synoptic diagram, the practical implementation of the utility model is elaborated.
A kind of well head set-up ultra high pressure gas leakage test system as shown in Figure 1, that the utility model is realized, this system includes compression system, closed-loop control system and video monitoring system.Compression system includes gas access end 32,33, pneumatic supercharge pump 18, solenoid valve 4, air inlet Pneumatic valve 12 and pressure testing mouth 31; Closed-loop control system includes high-pressure pressure-reducing valve 2, solenoid valve 4, Pneumatic valve 21 and 27, pressure transducer 24 and tensimeter 23; Video monitoring system comprises the DVR and the monitor of high-definition camera 29, peripheral hardware.
Wherein, Compression system has two gas access ends: drive gas port and increase gas port in advance; Driving gas port is 0.7MPa gas access end 32, and increasing gas port in advance is 12-35MPa gas access end 33, and 0.7MPa gas access end 32 is connected pneumatic supercharge pump 18 respectively with 12-35MPa gas access end 33.Wherein, 0.7MPa gas access end 32 is taken over earlier filter 1, low-pressure relief valve 2, tensimeter 3 successively, and the solenoid valve 4 through parallel connection is connected on the pneumatic supercharge pump 18 with inlet stop valve 5 again; Pneumatic valve 12 and stop valve 10 that 12-35MPa gas access end 33 is taken over earlier filter 6, tensimeter 7, high-pressure pressure-reducing valve 8, tensimeter 9, parallel connection successively are connected on the pneumatic supercharge pump 18.
Drive the tensimeter 3 that is connected with above the gas port pipeline, in order to the pressure size of monitoring driving pump work.
Increase the tensimeter 7 that is connected with above the air pipe in advance, be used to monitor the admission pressure size that increases gas in advance; Also connect pressure ratio gage 9, be used to monitor the adjusting pressure size of high-pressure pressure-reducing valve.
Closed-loop control system includes high-pressure pressure-reducing valve 2, solenoid valve 4, Pneumatic valve 21 and 27, pressure transducer 24 and tensimeter 23.
Said closed-loop control system includes reduction valve 2, solenoid valve 4, Pneumatic valve 21, Pneumatic valve 27 and pressure transducer 24; Increase gas port 33 in advance and be connected to pneumatic supercharge pump 18 through parallel pipeline; Pneumatic supercharge pump 18 work of solenoid valve 4 controls, pneumatic supercharge pump 18 outlets are connected with Pneumatic valve 21 and are used to block, and are connected with Pneumatic valve 27 behind the Pneumatic valve 21 again; Pneumatic valve 27 is connected in relief port 30, is used for off-load; Pneumatic valve 21 is connected on the automatic control system through solenoid valve 22; Pressure testing mouth 31 also is connected with pressure transducer 24 metering-in control systems and carries out pressure feedback.
Pneumatic supercharge pump 18 outlets are connected to a safety overflow valve 19, if the superpressure situation can be passed through the safety overflow valve automatically unloading, ensure safety.Pneumatic supercharge pump 18 outlets also are connected to outlet shutoff valve 21, and then connect tensimeter 23 and pressure transducer 24, and pressure transducer is monitoring test pressure in real time; Pressure testing mouth 31 is generally positioned at by the experimental tank, is connected to test piece through high-pressure hose, and experimental tank top with install camera 29 under water, so that environment and test sealing condition are monitored.
The endpiece of pneumatic supercharge pump 18; Also be connected with relief port 30, and be provided with before the relief port and unload pressure cutoff valve 25 and filtrator 26, Pneumatic valve 27, solenoid valve 28 is connected on the Pneumatic valve 27; So having manually through pressure release stop valve 25 and Pneumatic valve 27, system overlaps depressurized systems with automatic two; Can guarantee under unexpected situation, when automatically unloading lost efficacy, promptly manually release.
Increase in advance that gas port 33 is connected with high-pressure pressure-reducing valve 8, Pneumatic valve 12 is connected to pneumatic supercharge pump 18.
Increasing gas port 33 in advance also has Pneumatic valve 12 and stop valve 10 parallel connections to be connected to pneumatic supercharge pump 18.
Be connected with retaining valve 17 between pneumatic supercharge pump 18 air intake openings and the gas outlet, the preliminary filling of going ahead of the rest automatically when end pressure is lower than forefront pressure behind pump, pump startup carried out supercharging work after preliminary filling was accomplished.
Also be provided with filtrator 6 after increasing gas port 33 in advance, increase IMPURITIES IN in advance to filter out.
Pressure relief opening 30 also is provided with filtrator 26, to filter out the impurity in the emission gases.
Automatic control system is control electromagnetic valve 13 also, and solenoid valve 13 is connected with tensimeter 16, reduction valve 15 and filtrator 14, and filtrator 14 is connected in driving gas port 32.
The utility model adopts manually control and two kinds of control modes of computer automatic control control, and output pressure can be provided with arbitrarily, and entire test can be operated completion on computers, under situation about having a power failure, also can make an experiment by manual handling equipment.
Concrete process of the test is following.
Manual process of the test: end 32,33 is connected respectively to the compressed air gas source of 0.7MPa and the high-pressure air source of 12-35MPa on the utility model from the gas access; Test piece is connected to the pressure testing mouth 31 of system, and test piece is put into experimental tank; To unload pressure cutoff valve 25 closes; Open high-pressure outlet stop valve 20, let high-pressure air source charge into test piece, after the force value of tensimeter 9 and tensimeter 23 is consistent; Open inlet stop valve 5; And slowly CW is regulated low-pressure relief valve 2, and this moment, pneumatic supercharge pump 18 was started working, and tensimeter 23 can show that test pressure continues to raise.When the force value that shows when tensimeter 23 reaches the test pressure that needs, stop to regulate low-pressure relief valve 2, close outlet shutoff valve 20, close inlet stop valve 5, the pump beginning pressurize that quits work notices between hold period whether observe experimental tank has bubble to emerge.Dwell time opens and unloads pressure cutoff valve 25 after finishing, and the pressure in the workpiece is unloaded fully remove, off-test, hoisting test part.
Automatic process of the test: end 32,33 is connected respectively to the utility model with the compressed air gas source of 0.7MPa and the high-pressure air source of 12-15MPa from the gas access; Test piece is connected to pressure testing mouth 31, and test piece is put into experimental tank.
All manually-operated gates on the closing device (all stop valves).The output pressure of low-pressure relief valve 2 is adjusted to 0.7MPa, and the output pressure of high-pressure pressure-reducing valve 8 is adjusted to the low voltage experiment force value, opens computer and video monitoring system, the correlation test parameter is provided with completion after, begin test.Carry out the low pressure seal performance test earlier; Dwell time is to high-pressure pressure-reducing valve is transferred to top pressure; Controlling computer can be according to the automatic running test software of test parameters is set in advance; Carry out preliminary filling and supercharging action successively, this moment, all processs of the test were accomplished by computer control, and can show pressure-time trial curve in real time.Whether operating personnel can have leakage through the monitor viewing test workpiece of video monitoring system.After the off-test, system's automatically unloading, and pilot production report, this moment, test finished.
Through the utility model, can realize the pressure closed loop control system, control system is through the real-time pressure size of detected pressures sensor 24; And compare with setting the output pressure value, if pressure less than setting value, control system output control signal; Control electromagnetic valve 4 is opened, thereby control supercharge pump 18 continues pressurization, when near setup pressure value 95% the time; Control system adjustment solenoid valve 4 reduces the frequency of operation of gas boosting pump; Reduce the compression rate of compression system, measure output pressure and setup pressure value is approaching, close Pneumatic valve 21 until pressure transducer 24; System realizes that through control electromagnetic valve 4 and valve 21 error of output pressure and setting value is no more than in 0.5% scope, and control accuracy improves, and test figure is more accurately stable; But also can realize full-automatic Long-distance Control, operating personnel need not improve security, and alleviate labor intensity of operating personnel near pressure duct and valve; Simultaneously, pneumatic supercharge pump volume is little, and convenient operating maintenance adopts compressed air-driven, and energy consumption is low.
In a word; The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a well head set-up ultra high pressure gas leakage test system is characterized in that this system includes compression system, closed-loop control system, and compression system includes gas access end, pneumatic supercharge pump, solenoid valve, air inlet Pneumatic valve and pressure testing mouth; Said closed-loop control system includes reduction valve, tensimeter, solenoid valve, high pressure Pneumatic valve, pressure release Pneumatic valve and pressure transducer; The gas access end includes and drives gas port and increase gas port in advance, wherein, drives gas port and connects filtrator, pressure regulator valve, solenoid valve; Solenoid valve is connected in the driving gas port of pneumatic supercharge pump again, increases gas port in advance and is connected in the air inlet Pneumatic valve, increases gas port in advance through what the air inlet Pneumatic valve directly connect pneumatic supercharge pump; Increasing gas parallel one tunnel in advance connects through reduction valve, tensimeter; Pneumatic supercharge pump outlet is connected to the high pressure Pneumatic valve, and the high pressure Pneumatic valve is connected in the pressure testing mouth, and pressure transducer is connected to the pressure testing mouth; The relief port connects pressure release Pneumatic valve, filtrator, the manual blowdown valve of parallel connection.
2. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that said driving gas port is a 0.7MPa gas access end, and increasing gas port in advance is 12-35MPa gas access end, and said two gas access ends are parallel to be connected to pneumatic supercharge pump.
3. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that described pneumatic supercharging delivery side of pump is connected with high-pressure stop valve, and high-pressure stop valve is parallel to the high pressure Pneumatic valve, and then is connected on the pneumatic supercharge pump high-pressure outlet.
4. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that being provided with the inlet stop valve between the driving gas port of said pneumatic supercharge pump, and the inlet stop valve is parallel to a solenoid valve.
5. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that the gas boosting pump increases on the gas inlet in advance to be parallel with stop valve and air inlet Pneumatic valve one that the while Pneumatic valve is connected with solenoid valve, is terminated at high-pressure pressure-reducing valve before it.
6. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system; The endpiece that it is characterized in that said pneumatic supercharge pump; Also be connected with the relief port, and be provided with before the relief port and unload the gentle control valve three of pressure cutoff valve, solenoid valve three polyphones are connected on the Pneumatic valve three; The endpiece of pneumatic supercharge pump is received the relief port simultaneously through Pneumatic valve two and stop valve two.
7. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that pneumatic supercharging delivery side of pump is connected with safety overflow valve.
8. well head set-up ultra high pressure gas leakage test as claimed in claim 1 system is characterized in that the driving gas port of gas access end and increases gas port in advance being provided with filtrator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220170841 CN202631201U (en) | 2012-04-23 | 2012-04-23 | Well head apparatus ultra-high pressure gas seal test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220170841 CN202631201U (en) | 2012-04-23 | 2012-04-23 | Well head apparatus ultra-high pressure gas seal test system |
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| CN202631201U true CN202631201U (en) | 2012-12-26 |
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| CN 201220170841 Expired - Fee Related CN202631201U (en) | 2012-04-23 | 2012-04-23 | Well head apparatus ultra-high pressure gas seal test system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115739A (en) * | 2013-01-25 | 2013-05-22 | 北京爱社时代科技发展有限公司 | High-precision cylinder airtightness detection unit |
| CN107192546A (en) * | 2017-06-28 | 2017-09-22 | 宜宾三江机械有限责任公司 | A kind of gas high pressure valve high-potting system |
| CN107991025A (en) * | 2017-12-01 | 2018-05-04 | 宁夏银川大河数控机床有限公司 | The automatic stamping tooling device of smelting reductive jar and control method |
| CN110672385A (en) * | 2018-07-02 | 2020-01-10 | 中国石油天然气股份有限公司 | Natural gas pressurizing and sampling device and method |
| CN113309689A (en) * | 2021-06-11 | 2021-08-27 | 宜兴市恒安封头有限公司 | Double-medium pressurization system suitable for end socket air tightness detection |
| CN114112216A (en) * | 2021-11-30 | 2022-03-01 | 重庆红江机械有限责任公司 | Remote control ultrahigh pressure gas sealing test device and test method |
| CN114112714A (en) * | 2021-12-08 | 2022-03-01 | 中国科学院武汉岩土力学研究所 | Supercharging device for rock and concrete material high-pressure unloading cracking test |
| CN114354092A (en) * | 2021-12-29 | 2022-04-15 | 烟台杰瑞石油装备技术有限公司 | Testing device and testing method for blowout prevention box |
-
2012
- 2012-04-23 CN CN 201220170841 patent/CN202631201U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115739A (en) * | 2013-01-25 | 2013-05-22 | 北京爱社时代科技发展有限公司 | High-precision cylinder airtightness detection unit |
| CN107192546A (en) * | 2017-06-28 | 2017-09-22 | 宜宾三江机械有限责任公司 | A kind of gas high pressure valve high-potting system |
| CN107192546B (en) * | 2017-06-28 | 2023-06-09 | 宜宾三江机械有限责任公司 | High-pressure test system for gas high-pressure valve |
| CN107991025A (en) * | 2017-12-01 | 2018-05-04 | 宁夏银川大河数控机床有限公司 | The automatic stamping tooling device of smelting reductive jar and control method |
| CN110672385A (en) * | 2018-07-02 | 2020-01-10 | 中国石油天然气股份有限公司 | Natural gas pressurizing and sampling device and method |
| CN113309689A (en) * | 2021-06-11 | 2021-08-27 | 宜兴市恒安封头有限公司 | Double-medium pressurization system suitable for end socket air tightness detection |
| CN114112216A (en) * | 2021-11-30 | 2022-03-01 | 重庆红江机械有限责任公司 | Remote control ultrahigh pressure gas sealing test device and test method |
| CN114112216B (en) * | 2021-11-30 | 2024-06-04 | 重庆红江机械有限责任公司 | Remote control ultrahigh-pressure gas seal testing device and testing method |
| CN114112714A (en) * | 2021-12-08 | 2022-03-01 | 中国科学院武汉岩土力学研究所 | Supercharging device for rock and concrete material high-pressure unloading cracking test |
| CN114354092A (en) * | 2021-12-29 | 2022-04-15 | 烟台杰瑞石油装备技术有限公司 | Testing device and testing method for blowout prevention box |
| CN114354092B (en) * | 2021-12-29 | 2023-08-11 | 烟台杰瑞石油装备技术有限公司 | Testing device and testing method for blowout prevention box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |