CN209247279U - A kind of gate valve suppresses system online - Google Patents
A kind of gate valve suppresses system online Download PDFInfo
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- CN209247279U CN209247279U CN201822159871.4U CN201822159871U CN209247279U CN 209247279 U CN209247279 U CN 209247279U CN 201822159871 U CN201822159871 U CN 201822159871U CN 209247279 U CN209247279 U CN 209247279U
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Abstract
The utility model belongs to experiments of sealing performance and the maintenance technique field of gate valve, and in particular to a kind of gate valve suppresses system online, and it is an object of the present invention to provide a kind of suppress system online for gate valve, by gate valve purge hole, carries out lumen bulge test to gate valve.The actual motion pressure of system analog gate valve, the slip of gate valve in the quantitative detection stipulated time, can be used for verifying the sealing performance of gate valve cover, sealing surface, so that it is guaranteed that the repair quality of gate valve.It is characterized in that, it includes bulge test platform, data acquisition host computer, high-pressure hose and cable；Bulge test platform pressure output interface suppresses special purpose interface with gate valve purge hole or gate valve body by high-pressure hose and is connected, and provides test(ing) medium and test pressure for gate valve；Data acquisition host computer is connect by cable with the communication network port of bulge test platform, is configured to test pressure, test period parameter, and the data variation during acquisition is suppressed in real time is simultaneously automatically analyzed and recorded to result is suppressed.
Description
Technical field
The utility model belongs to experiments of sealing performance and the maintenance technique field of gate valve, and in particular to a kind of gate valve is beaten online
Pressure system.
Background technique
Gate valve is very widely used in nuclear power station, is mostly installed on primary Ioops and secondary coolant circuit system pipeline, plays fluid and cuts
Disconnected and buffer action, the quality of valve seal performance are run with directly influencing the safe and reliable of nuclear power station, economic stability, especially
It is some valves as isolation boundary in case of leaking, and the integrality of whole system pressure boundary will be destroyed, to nuclear power
The operational safety stood threatens.
At present most domestic nuclear power station to the verifying of gate valve maintenance effect and sealing performance be all according to blue oil test come
Determine, there are certain uncertainties；And the practical sealing performance of gate valve can only carry out pressure during unit or system boost
It is verified when test or leakage test, once gate valve is unqualified in the presence of leaking or testing, then may cause set state recession,
Again need to be done over again maintenance, influence overhaul duration or set state.
Each nuclear power station is widely applied gate valve (electric gate valve) online diagnosing technique of support shaft at home, mainly theoretically verifies
Whether the closing thrust or torque of valve are arranged whether proper, valve correctly closes in place, but can not verify valve sealing face knot
The integrality of structure and the practical sealing performance of valve body.And gate valve suppresses the mode for taking lumen to suppress, online to valve into
Row leakage test, can Direct Test sealing surface of the discharge gate body construction integrality to verify the maintenance effect of gate valve.
What domestic certain gate valve for nuclear power plant suppressed system import at present is that French Framatome OPERA gate valve suppresses work
Tool, but the tool price is higher, intelligence degree is lower；The technology company that the country once had nuclear power station commission domestic develops gate valve
Suppress system, but its that there are system stability in nuclear power scene actually uses is poor, measurement accuracy is low and poor repeatability, operation are answered
The miscellaneous, reasons such as volume is big, are abandoned by each power plant.
Utility model content
System is suppressed online for gate valve the purpose of this utility model is to provide a kind of, it is right by gate valve purge hole
Gate valve carries out lumen bulge test.The actual motion pressure of system analog gate valve, gate valve lets out in the quantitative detection stipulated time
Leak rate can be used for verifying the sealing performance of gate valve cover, sealing surface, so that it is guaranteed that the repair quality of gate valve.
The utility model is realized in this way:
A kind of gate valve suppresses system, including bulge test platform, data acquisition host computer, high-pressure hose and cable online；It beats
Pressure testing stand pressure output interface suppresses special purpose interface with gate valve purge hole or gate valve body by high-pressure hose and is connected, and is gate valve
Test(ing) medium and test pressure are provided；Data acquisition host computer is connect by cable with the communication network port of bulge test platform, to examination
Test pressure, test period parameter is configured, the data variation during acquisition is suppressed in real time simultaneously to suppress result carry out it is automatic
Analysis and record.
Bulge test platform as described above includes water tank, manual relief valve V4, manual ball valve V7, safety valve, electrical ball valve
M1, it electronic pump group, manual relief valve V6, check valve, pressure gauge 1, temperature sensor, hand stop valve V1, electrical ball valve M2, stores
Energy device, pressure sensor 2, pressure sensor 1, assorts shut-off valve V2 and quick plug at hand stop valve V5；The first of water tank goes out
By piping connection in one end of manual relief valve V4, the other end of manual relief valve V4 passes through piping connection in electricity respectively at the mouth of a river
One end of dynamic pump group and the liquid feeding end of check valve；Second water outlet of water tank by piping connection in one end of manual ball valve V7,
The other end of manual ball valve V7 passes through piping connection in the other end of electronic pump group；The outlet end of check valve is connected respectively by pipeline
It connects in one end, one end of one end electrical ball valve M1 of manual relief valve V6 and one end of hand stop valve V1 of safety valve；Water tank
The third water outlet other end that passes through safety valve under piping connection；4th water outlet of water tank is being let out manually by piping connection
The other end of pressure valve V6；5th water outlet of water tank passes through piping connection in the other end of electrical ball valve M1；Pressure gauge 1 and temperature
Sensor passes through piping connection on the pipeline between check valve outlet end and hand stop valve V1 respectively；Hand stop valve V1's
For the other end by piping connection in one end of electrical ball valve M2, the other end of electrical ball valve M2 is connected to cut-off by pipeline
One end of valve V2 and the liquid feeding end of quick plug；The outlet side of accumulator and pressure sensor 1 are respectively by piping connection in electricity
On pipeline between dynamic ball valve M2 and quick coupling；Pressure sensor 2 on accumulator 1, is set by piping connection on pipeline
It is equipped with hand stop valve 5.
High level alarm, low liquid level warning device, air filtration valve and liquidometer are provided in water tank as described above；Water
The lower end of case is connected on sewage draining exit by pipeline and manual ball valve.
Bulge test platform as described above further includes two filters, one of setting check valve and electronic pump group it
Between pipeline on, another is arranged on the pipeline between electronic pump group and ball valve V7.
Pipeline between check valve as above and electronic pump group is connect with sewage draining exit.
Data acquisition host computer as described above is connected to the high and low liquid level alarm, electronic of water tank by cable
The control terminal of pump group, temperature sensor, the control terminal of electrical ball valve M1, pressure sensor 1, electrical ball valve M2 control terminal and
On pressure sensor 2.
Data acquisition host computer as described above is realized using PC machine.
The beneficial effects of the utility model are:
1. the variation and real time leak value of the utility model real-time monitoring gate valve valve chamber test(ing) medium pressure；
2. sealing performance (valve bonnet seal, valve seal) or maintenance matter that the utility model can directly verify gate valve
Amount；
3. the utility model test data can real-time display, be automatically stored；All test datas can be inquired and be traced, test
Report can be automatically generated and be printed.
Detailed description of the invention
Fig. 1 is that a kind of gate valve of the utility model suppresses system connection schematic diagram online；
Fig. 2 is that a kind of gate valve of the utility model suppresses the schematic diagram of systematic schematic diagram online.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of gate valve suppresses system online, including bulge test platform, data acquire host computer, high-pressure hose
And cable.Bulge test platform pressure output interface suppresses special purpose interface phase by high-pressure hose and gate valve purge hole or gate valve body
Even, test(ing) medium and test pressure are provided for gate valve；Data acquire the communication network port that host computer passes through cable and bulge test platform
Connection, is configured the parameters such as test pressure, test period, and the data variation during acquisition is suppressed in real time is simultaneously tied to suppressing
Fruit is automatically analyzed and is recorded.
As shown in Fig. 2, the bulge test platform includes water tank, manual relief valve V4, manual ball valve V7, safety valve, electricity
Dynamic ball valve M1, electronic pump group, manual relief valve V6, check valve, pressure gauge 1, temperature sensor, hand stop valve V1, electric ball
Valve M2, accumulator, hand stop valve V5, pressure sensor 2, pressure sensor 1, shut-off valve V2 and quick plug are assorted.Water tank
The first water outlet by piping connection in one end of manual relief valve V4, the other end of manual relief valve V4 passes through pipeline respectively
It is connected to one end of electronic pump group and the liquid feeding end of check valve.Second water outlet of water tank is by piping connection in manual ball valve V7
One end, the other end of manual ball valve V7 by piping connection electronic pump group the other end.The outlet end of check valve passes through pipe
Road be connected to one end of safety valve, manual relief valve V6 one end electrical ball valve M1 one end and hand stop valve V1 one
End.The third water outlet of water tank passes through the other end of safety valve under piping connection.4th water outlet of water tank passes through piping connection
In the other end of manual relief valve V6.5th water outlet of water tank passes through piping connection in the other end of electrical ball valve M1.Pressure
Table 1 and temperature sensor pass through piping connection on the pipeline between check valve outlet end and hand stop valve V1 respectively.Manually
The other end of shut-off valve V1 by piping connection in one end of electrical ball valve M2, distinguished by pipeline by the other end of electrical ball valve M2
It is connected to one end of shut-off valve V2 and the liquid feeding end of quick plug.The outlet side of accumulator and pressure sensor 1 pass through pipe respectively
Road is connected on the pipeline between electrical ball valve M2 and quick coupling.Pressure sensor 2 passes through piping connection on accumulator 1,
Hand stop valve 5 is provided on pipeline.
High level alarm, low liquid level warning device, air filtration valve and liquidometer are provided in the water tank.Water tank
Lower end is connected on sewage draining exit by pipeline and manual ball valve.
The bulge test platform further includes two filters, one of them is arranged between check valve and electronic pump group
On pipeline, another is arranged on the pipeline between electronic pump group and ball valve V7.
Pipeline between check valve and electronic pump group is connect with sewage draining exit.
The data acquisition host computer is connected to the high and low liquid level alarm of water tank, electronic pump group by cable
Control terminal, temperature sensor, the control terminal of electrical ball valve M1, the control terminal and pressure of pressure sensor 1, electrical ball valve M2
On sensor 2.
The data acquisition host computer is realized using PC machine.
Steps are as follows for the use of the utility model:
1. the plug of gate valve upper packing purge hole or pressurizing port is removed, NPT quick coupling is installed, high-pressure hose is used
Testing stand pressure output and purge hole (or pressurizing port) are connected firmly.
After 2. bulge test system connects, system energization (220VAC) cuts manual/auto on bulge test platform
It changes knob and is threaded to manual position, manually booting pump biased switch makes to suppress after circuit rises to certain pressure, uses the row in system
Air valve and exhaust apparatus etc. are washed by water, are vented to entire circuit and release.Pressurization, stress-relief process can also pass through automatic control
Mode data acquisition host computer operated.
3. inputting relevant information (such as the valve nominal pressure, inside nominal diameter of tested gate valve in data acquisition host computer
Deng) and test parameters (such as test pressure, checks and accepts pressure, allowable pressure drop, slip acceptance criteria at test period).Automatic
Under control mode operation data acquisition software open pump boosting, system boost when Fig. 2 in electrical ball valve M1, manual relief valve V4 and
V6, hand stop valve V5 and discharge line valve V2 are remained turned-off, and manual ball valve V7, hand stop valve V1, electrical ball valve M2 are kept
It opens.When the pressure value of system detection to pressure sensor 1 reaches the test pressure of setting, electrical ball valve is automatically closed in system
M2, and hand stop valve V1 need to be turned off manually.System terminates automatically into pressure maintaining detection-phase, dwell time after pressure stabilizing 1 minute
System can automatically record test curve and data afterwards, and show test result.Hand stop valve V1 is opened, data acquire host computer
Release is carried out, electrical ball valve M1 and M2 are opened simultaneously, complete release.It suppresses and is equipped with safety valve and manual release in system circuit
Valve, when test pressure is higher than protection pressure, system is by automatically unloading, termination of pumping.
4. (operation such as creation, editor, deletion) can be managed to valve information in data acquisition host computer, to all previous
It suppresses test data and curve is played back, assistant analysis and mark etc. can be carried out to test curve, and test can be automatically generated
Report, evaluates test result.
It is explained in detail above in conjunction with implementation method of the embodiment to utility model, but utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.The content being not described in detail in the utility model specification can use the prior art.
Claims (7)
1. a kind of gate valve suppresses system online, it is characterised in that: it includes that bulge test platform, data acquisition host computer, high pressure are soft
Pipe and cable；Bulge test platform pressure output interface suppresses special purpose interface by high-pressure hose and gate valve purge hole or gate valve body
It is connected, provides test(ing) medium and test pressure for gate valve；Data acquire the communication network that host computer passes through cable and bulge test platform
Mouthful connection, test pressure, test period parameter are configured, in real time acquisition suppress during data variation simultaneously to suppress knot
Fruit is automatically analyzed and is recorded.
2. gate valve according to claim 1 suppresses system online, it is characterised in that: the bulge test platform includes water
Case, manual relief valve V4, manual ball valve V7, safety valve, electrical ball valve M1, electronic pump group, manual relief valve V6, check valve, pressure
Power table 1, temperature sensor, hand stop valve V1, electrical ball valve M2, accumulator, hand stop valve V5, pressure sensor 2, pressure
Sensor 1 assorts shut-off valve V2 and quick plug；First water outlet of water tank is by piping connection the one of manual relief valve V4
End, the other end of manual relief valve V4 pass through piping connection in one end of electronic pump group and the liquid feeding end of check valve respectively；Water tank
The second water outlet by piping connection in one end of manual ball valve V7, the other end of manual ball valve V7 is by piping connection in electricity
The other end of dynamic pump group；The outlet end of check valve be connected to by pipeline one end of safety valve, manual relief valve V6 one
Hold one end of electrical ball valve M1 and one end of hand stop valve V1；The third water outlet of water tank passes through safety valve under piping connection
The other end；4th water outlet of water tank passes through piping connection in the other end of manual relief valve V6；5th water outlet of water tank is logical
Piping connection is crossed in the other end of electrical ball valve M1；Pressure gauge 1 and temperature sensor pass through piping connection respectively and go out in check valve
On pipeline between liquid end and hand stop valve V1；The other end of hand stop valve V1 is by piping connection electrical ball valve M2's
One end, the other end of electrical ball valve M2 are connected to one end of shut-off valve V2 and the liquid feeding end of quick plug by pipeline；It stores
The outlet side of energy device and pressure sensor 1 are respectively by piping connection on the pipeline between electrical ball valve M2 and quick coupling；
Pressure sensor 2 on accumulator 1, is provided with hand stop valve 5 by piping connection on pipeline.
3. gate valve according to claim 2 suppresses system online, it is characterised in that: be provided with high liquid level in the water tank
Alarm, low liquid level warning device, air filtration valve and liquidometer；The lower end of water tank is connected to blowdown by pipeline and manual ball valve
On mouth.
4. gate valve according to claim 2 suppresses system online, it is characterised in that: the bulge test platform further includes two
A filter, one of them is arranged on the pipeline between check valve and electronic pump group, another is arranged in electronic pump group and ball
On pipeline between valve V7.
5. gate valve according to claim 2 suppresses system online, it is characterised in that: the pipe between check valve and electronic pump group
Road is connect with sewage draining exit.
6. gate valve according to claim 2 suppresses system online, it is characterised in that: the data acquisition host computer passes through
Cable is connected to the high and low liquid level alarm of water tank, the control terminal of electronic pump group, temperature sensor, electrical ball valve M1
On control terminal, pressure sensor 1, the control terminal of electrical ball valve M2 and pressure sensor 2.
7. gate valve according to claim 2 suppresses system online, it is characterised in that: the data acquisition host computer uses
PC machine is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159871.4U CN209247279U (en) | 2018-12-21 | 2018-12-21 | A kind of gate valve suppresses system online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822159871.4U CN209247279U (en) | 2018-12-21 | 2018-12-21 | A kind of gate valve suppresses system online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247279U true CN209247279U (en) | 2019-08-13 |
Family
ID=67534090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822159871.4U Active CN209247279U (en) | 2018-12-21 | 2018-12-21 | A kind of gate valve suppresses system online |
Country Status (1)
| Country | Link |
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| CN (1) | CN209247279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443663A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of gate valve suppresses system online |
| CN110749403A (en) * | 2019-10-13 | 2020-02-04 | 江苏远望仪器集团有限公司 | Dynamic pressure water tightness test device for sensor under all working conditions |
-
2018
- 2018-12-21 CN CN201822159871.4U patent/CN209247279U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443663A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of gate valve suppresses system online |
| CN109443663B (en) * | 2018-12-21 | 2024-05-10 | 核动力运行研究所 | Gate valve online pressing system |
| CN110749403A (en) * | 2019-10-13 | 2020-02-04 | 江苏远望仪器集团有限公司 | Dynamic pressure water tightness test device for sensor under all working conditions |
| CN110749403B (en) * | 2019-10-13 | 2024-05-03 | 江苏远望仪器集团有限公司 | Sensor full-working-condition dynamic pressure water tightness test device |
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