CN207180949U - Leakage analogue experiment installation in Liquid valve - Google Patents
Leakage analogue experiment installation in Liquid valve Download PDFInfo
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- CN207180949U CN207180949U CN201720988366.3U CN201720988366U CN207180949U CN 207180949 U CN207180949 U CN 207180949U CN 201720988366 U CN201720988366 U CN 201720988366U CN 207180949 U CN207180949 U CN 207180949U
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Abstract
Leakage analogue experiment installation in a kind of Liquid valve is the utility model is related to, mainly solves the problems, such as to be difficult to meet leakage scenario simulation in the operating mode lower valves such as different pressures, bore, interior leakage quantity in the prior art.The utility model in a kind of Liquid valve by using leaking analogue experiment installation, including air-compressor set, control valve, level sensor, instrument tank, air accumulator, water tank, flowmeter, tested valve group, air-compressor set is connected with the top of instrument tank, air accumulator, water tank respectively by pipeline, also it is connected simultaneously with gas storage pot bottom, water tank is provided with back with water inlet line, water storage pot bottom preferably solves above mentioned problem by pipeline with the technical scheme that tested valve group entrance is connected, available in stripping pattern draft experiment in Liquid valve.
Description
Technical field
It the utility model is related to leakage analogue experiment installation in a kind of Liquid valve.
Background technology
Valve is kind of a general engineering goods, as the important device of control fluid circuit, extensively using petrochemical industry etc.
In device.The basic function of valve is the control to medium in pipeline, switches on or off circulation path, changes flow direction,
Flow or pressure are reconciled or controlled, so as to protect pipeline safe, ensures equipment normal operation.But because valve opening and closing is frequent, make
Dosage is big, or can not be appropriate in time repair, often there is the phenomenon of run, drip, leak.Especially interior leakage is less susceptible to be sent out
It is existing, it is interior to leak the waste for being likely to result in fluid, system pressure loss, for inflammable and explosive medium, accident easily occurs, brings
Lose inestimable.Because field working conditions are complicated, test experience can hinder life to researcher in a device in chemical industry equipment operation
Production, this simulation experiment platform simulate petrochemical equipment valves leakage scene under multi-state, are easy to researcher to carry out simulating live work
Condition experiment carries out the research of detection means.
Patent CN 201803832U disclose a kind of experimental rig that valve leak is detected with acoustic emission signal, including storage
Liquid case, pumping unit, voltage-stablizer, test valve, flow measurement device and sound emission detection sensor, it is described to pump the defeated of unit
Enter end to be connected with the liquid reserve tank, the output end for pumping unit is connected with the voltage-stablizer, and described test valve one end passes through defeated
Pipe is sent to be connected with voltage-stablizer, the other end is connected by delivery pipe with the entrance of the flow measurement device, the flow measurement dress
The outlet put is connected with liquid reserve tank, and the acoustic emission detection sensor is installed on test valve.The patent solves liquid Jie
Matter valve leak experimental simulation problem, but exist can not quantitative description leakage rate, such as every kind of simulation slip of operating mode, valve
Door aperture etc., leads to not corresponding with corresponding sound emission signal characteristic, is only capable of being to meet experimental teaching requirement.
Patent CN 102928181A disclose a kind of detecting system and its method simulated valve and internal leakage occurs, and pass through
The different opening of control valve come simulate valve occur internal leakage state, pass through differential pressure transmitter, flow sensor and sound
Transmitting probe transmission signal, corresponding each group of data is gathered by the data acquisition software of rear end.The utility model refers to interior
Analogue means is leaked due to gas cylinder tolerance pressure limit, easily causes experimental pressure in experimentation to fluctuate, and can be used for testing
Valve aperture it is smaller, it is difficult to meet the simulation of leakage scene in the operating mode lower valves such as different pressures, bore, interior leakage quantity.
Utility model content
Technical problem to be solved in the utility model is to be difficult to meet different pressures, bore, interior leakage quantity in the prior art
A kind of the problem of leakage scenario simulation interior etc. operating mode lower valve, there is provided leakage analogue experiment installation in new Liquid valve.The device has
There is the advantages of can meeting leakage scenario simulation in the operating mode lower valves such as different pressures, bore, interior leakage quantity.
To solve the above problems, the technical solution adopted in the utility model is as follows：Stripping pattern draft experiment in a kind of Liquid valve
Device, including air-compressor set, control valve, level sensor, instrument tank, air accumulator, water tank, flowmeter, tested valve group, pneumatics
Unit is connected with the top of instrument tank, air accumulator, water tank respectively by pipeline, while is also connected with gas storage pot bottom, water tank
Back with water inlet line is provided with, water storage pot bottom is connected by pipeline with tested valve group entrance.
In above-mentioned technical proposal, it is preferable that the platform is controlled by programmable logic controller (PLC) (PLC) control system
System.
In above-mentioned technical proposal, it is preferable that control valve is motor-driven valve or pneumatic operated valve.
In above-mentioned technical proposal, it is preferable that the pipeline that air-compressor set is connected with gas storage pot bottom is provided with valve (10).
In above-mentioned technical proposal, it is preferable that the pipeline that water storage pot bottom is connected with tested valve group entrance is provided with flowmeter
Group, flowmeter group are made up of flowmeter A and two kinds of flowmeter B different range flow meters and preserved pipeline.
In above-mentioned technical proposal, it is preferable that tested valve group by least six meet DN50, DN80, DN100, DN150,
The pipeline and preserved pipeline composition of DN200, DN250 variety classes valve installation, the valve include gate valve, stop valve,
Ball valve.
In above-mentioned technical proposal, it is preferable that the tested valve in tested valve group is held use soft connection at connection blind plate behind the door.
According to common petrochemical equipment valves leakage operating mode, simulation different pressures, different bores, leak rate, different valves in difference
Leakage scene in Liquid valve under the operating modes such as door species, reduction petrochemical equipment leak in scene, are easy to the research of detection means, are valve
The important foundation of interior leakage online measuring technique research.The utility model provides leakage simulation experiment platform in a kind of Liquid valve, can
It is valve to simulate different pressures, different bore valves, different type valve, be leaked in the working condition lower valve such as leak rate in difference
Door inner hexagon research provides experiment porch.Valves leakage fully under each operating mode in simulation petrochemical industry scene, the big pattern established
Simulated experiment condition can be provided to create the foundation of valves leakage Test database by intending device, achieve preferable technology effect
Fruit.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of device described in the utility model.
In Fig. 1,1~3,10 be valve,；4th, air-compressor set；5th, it is tested valve group；6th, back with water inlet line；7th, flowmeter A；8th, flow
Count B；9 be outlet；V11001 is air accumulator；V11002 is water tank；V11003 is instrument tank.
The utility model is further elaborated below by embodiment, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
Leakage analogue experiment installation in a kind of Liquid valve, as shown in figure 1, being rushed by air compressor machine to instrument tank V11003
Pressure, after reaching setting pressure, gas storage is carried out to air accumulator V11001 surge tanks, after reaching setting pressure, by back with water inlet line 6 to storage
Water pot V11002 carries out liquid storage, after reaching setting pressure, begins preparing for testing.Tested valve group 5 by six meet DN50, DN80,
The pipeline and a provided pipe of DN100, DN150, DN200, DN250 variety classes valve (gate valve, stop valve, ball valve etc.) installation
Road forms, and valve group both sides are blind plate, and when carrying out valves leakage test experiments, opening needs to test pipeline blind plate, and other are in
Closed mode, valve rear end connect and use soft connection at blind plate, are easy to replacing valve and meet other desired valve pipes
Transformation, flowmeter group are made up of flowmeter A and two kinds of flowmeter B different range flow meters and preserved pipeline, flowmeter A measurement models
It is 100-1200SLM to enclose for 0-100SLM, flowmeter B measurement ranges, meets different valves leakage rate measurement requests, test platform
Rear end is emptying pipeline.
Experiment porch is controlled using PLC control system, is controlled by Central Control Room computer, and computer opens control program, by valve
Closed state is set to off, valve 1 is opened, V11003 instrument tanks is inflated, after reaching setting pressure, system is automatically stopped storage
Gas, V11001 gas storage pressures are set, to its gas storage, system closes other valves and opens valve 10, after gas storage, to water tank
V11002 carries out water storage, has level sensor in water tank, and provided with low liquid level and high liquid level warning function, water storage reaches high level
System closes water intaking valve automatically after alarm point, after the completion of preparing operating mode, proceeds by experiment condition.
Experimenter selects tested valve group route, sets blind plate, select tested valve types, setting according to experiment needs
Experimental pressure and flowmeter, system open experiment route valve, close other valves, are suppressed by air accumulator into water tank, pressure
Power makes liquid enter experiment pipeline, and according to measured flux needs, the tested valve opening size of experimenter's regulation is with the scene of simulating
Valve leak state under same operating, now, experimenter can apply nondestructiving detecting means (acoustic emission detection etc.) to carry out
Valves leakage test experience.Do not completed if being tested in experimentation, water tank water reaches low alarm point, and system can produce report
It is alert, alarm is now closed, reopens water storage function, water storage repeats to test after terminating.
After experiment terminates, experiment condition is closed, opens all motor-driven valves and pneumatic operated valve, liquid and gas in emptying system,
Close air-compressor set and computer.
【Embodiment 2】
Leakage analogue experiment installation in a kind of Liquid valve, as shown in figure 1, being rushed by air compressor machine to instrument tank V11003
Pressure, after reaching setting pressure, gas storage is carried out to air accumulator V11001 surge tanks, after reaching setting pressure, by back with water inlet line 6 to storage
Water pot V11002 carries out liquid storage, after reaching setting pressure, begins preparing for testing.Tested valve group 5 by 7 meet DN50, DN80,
DN100, DN150, DN200, DN250, DN300 variety classes valve (gate valve, stop valve, ball valve etc.) installation pipeline and one
Preserved pipeline forms, and valve group both sides are blind plate, and when carrying out valves leakage test experiments, opening needs to test pipeline blind plate, its
He is closed, and soft connection is used at valve rear end connection blind plate, is easy to replacing valve and is met other desired valves
Door pipeline modification, flowmeter group are made up of flowmeter A and two kinds of flowmeter B different range flow meters and preserved pipeline, flowmeter A
Measurement range is 0-100SLM, and flowmeter B measurement ranges are 100-1200SLM, meets different valves leakage rate measurement requests, is surveyed
Platform rear end is tried as emptying pipeline.
Experiment porch is controlled using PLC control system, is controlled by Central Control Room computer, and computer opens control program, by valve
Closed state is set to off, valve 1 is opened, V11003 instrument tanks is inflated, after reaching setting pressure, system is automatically stopped storage
Gas, V11001 gas storage pressures are set, to its gas storage, system closes other valves and opens valve 10, after gas storage, to water tank
V11002 carries out water storage, has level sensor in water tank, and provided with low liquid level and high liquid level warning function, water storage reaches high level
System closes water intaking valve automatically after alarm point, after the completion of preparing operating mode, proceeds by experiment condition.
Experimenter selects tested valve group route, sets blind plate, select tested valve types, setting according to experiment needs
Experimental pressure and flowmeter, system open experiment route valve, close other valves, are suppressed by air accumulator into water tank, pressure
Power makes liquid enter experiment pipeline, and according to measured flux needs, the tested valve opening size of experimenter's regulation is with the scene of simulating
Valve leak state under same operating, now, experimenter can apply nondestructiving detecting means (acoustic emission detection etc.) to carry out
Valves leakage test experience.Do not completed if being tested in experimentation, water tank water reaches low alarm point, and system can produce report
It is alert, alarm is now closed, reopens water storage function, water storage repeats to test after terminating.
After experiment terminates, experiment condition is closed, opens all motor-driven valves and pneumatic operated valve, liquid and gas in emptying system,
Close air-compressor set and computer.
The analogue means being made up of air accumulator, fluid reservoir etc., flask volume is with the obvious advantage in stage arrangement is tested, and meets real
Test the stability of pressure and liquid flowing and prolonged continuation.Device has gas valve interlocking and liquid level warning function etc.,
Safe class is high, avoids the device and personnel's injury and the too high experiment difficulty brought of liquid level of overpressured zones.Fully simulation petrochemical industry
Valves leakage under each operating mode in scene, the large-scale analogue means established can be the foundation for creating valves leakage Test database
Simulated experiment condition is provided.
Claims (7)
- A kind of 1. leakage analogue experiment installation in Liquid valve, it is characterised in that including air-compressor set, control valve, level sensor, Instrument tank, the first air accumulator, the second water tank, flowmeter, tested valve group, air-compressor set by pipeline respectively with instrument tank, the It is connected at the top of one air accumulator, the second water tank, while is also connected with the first gas storage pot bottom, the second water tank is provided with water inlet pipe Line, the second water storage pot bottom are connected by pipeline with tested valve group entrance.
- 2. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that described device is controlled by PLC is System is controlled.
- 3. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that control valve be motor-driven valve or Pneumatic operated valve.
- 4. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that air-compressor set and the first gas storage The connected pipeline of pot bottom is provided with valve (10).
- 5. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that the second water storage pot bottom and quilt The connected pipeline of side valve group entrance is provided with flowmeter group, and flowmeter group is by flowmeter A and the different range flows of two kinds of flowmeter B Meter and preserved pipeline composition.
- 6. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that tested valve group is by least six Meet the pipeline and a preserved pipeline group of DN50, DN80, DN100, DN150, DN200, DN250 variety classes valve installation Into the valve includes gate valve, stop valve, ball valve.
- 7. leakage analogue experiment installation in Liquid valve according to claim 1, it is characterised in that the tested valve in tested valve group Behind the door soft connection is used at end connection blind plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988366.3U CN207180949U (en) | 2017-08-09 | 2017-08-09 | Leakage analogue experiment installation in Liquid valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720988366.3U CN207180949U (en) | 2017-08-09 | 2017-08-09 | Leakage analogue experiment installation in Liquid valve |
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| CN207180949U true CN207180949U (en) | 2018-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253938A (en) * | 2018-09-27 | 2019-01-22 | 浙江省泵阀产品质量检验中心（永嘉县质量技术监督检测研究院） | A kind of ball valve cavitation flash distillation experimental rig |
| CN109387332A (en) * | 2017-08-09 | 2019-02-26 | 中国石油化工股份有限公司 | Stripping pattern draft experiment device and method in Liquid valve |
-
2017
- 2017-08-09 CN CN201720988366.3U patent/CN207180949U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387332A (en) * | 2017-08-09 | 2019-02-26 | 中国石油化工股份有限公司 | Stripping pattern draft experiment device and method in Liquid valve |
| CN109253938A (en) * | 2018-09-27 | 2019-01-22 | 浙江省泵阀产品质量检验中心（永嘉县质量技术监督检测研究院） | A kind of ball valve cavitation flash distillation experimental rig |
| CN109253938B (en) * | 2018-09-27 | 2020-12-22 | 浙江省泵阀产品质量检验中心（永嘉县质量技术监督检测研究院） | Ball valve cavitation flash test device |
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