CN220525258U - Single-flow valve leakage measuring device - Google Patents
Single-flow valve leakage measuring device Download PDFInfo
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- CN220525258U CN220525258U CN202322312911.5U CN202322312911U CN220525258U CN 220525258 U CN220525258 U CN 220525258U CN 202322312911 U CN202322312911 U CN 202322312911U CN 220525258 U CN220525258 U CN 220525258U
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- valve
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- test tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000012360 testing method Methods 0.000 claims abstract description 73
- 238000005303 weighing Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of single-flow valve leakage measurement, and particularly discloses a single-flow valve leakage measurement device which comprises a water supply unit, a measurement unit and a test tube; the water supply unit comprises a water tank, a water pump and a water inlet pipe, wherein the water tank is communicated with the lower end of the test pipe through the water inlet pipe, and the water pump is arranged on the water inlet pipe; the measuring unit comprises a drain pipe and a weighing assembly, wherein the drain pipe is communicated with the lower end of the test pipe, the other end of the drain pipe is positioned above the weighing assembly, and the weighing assembly can weigh liquid discharged by the drain pipe; a drain valve is arranged on the drain pipe, and a water filling valve is arranged on the water inlet pipe; the test tube is internally provided with a clamp, and the clamp is provided with a check valve. The utility model can realize the measurement of the leakage quantity of the check valve.
Description
Technical Field
The utility model relates to the technical field of single-flow valve leakage measurement, in particular to a single-flow valve leakage measurement device.
Background
In the production process of a natural gas well, as the production time increases, dropsy is slowly formed underground, excessive dropsy can cause the production reduction and even the production stopping of the gas well, and in order to solve the problem caused by the water production of the gas field, the recovery ratio of a water and gas reservoir is improved, and the drainage and gas production must be carried out periodically.
In order to prevent the plunger from falling beyond a set depth when the plunger gas lift mode is adopted for drainage, a clamping device is required to be installed underground; in order to prevent the liquid at the upper part of the shut-in well Shi Kading from falling back below the clamp, the clamp needs to be matched with a check valve at the same time.
The check valve is used as an automatic opening and closing valve, and has the problem of good sealing effect of the ball head and the seat ring, so that the leakage of the check valve is required to be measured, and the sealing effect of the check valve is judged.
Disclosure of Invention
The utility model provides a leakage amount measuring device of a check valve, and aims to measure the leakage amount of the check valve.
The utility model is realized by the following technical scheme: the single flow valve leakage measuring device comprises a water supply unit, a measuring unit and a test tube;
the water supply unit comprises a water tank, a water pump and a water inlet pipe, wherein the water tank is communicated with the lower end of the test pipe through the water inlet pipe, and the water pump is arranged on the water inlet pipe;
the measuring unit comprises a drain pipe and a weighing assembly, wherein the drain pipe is communicated with the lower end of the test pipe, the other end of the drain pipe is positioned above the weighing assembly, and the weighing assembly can weigh liquid discharged by the drain pipe;
a drain valve is arranged on the drain pipe, and a water filling valve is arranged on the water inlet pipe;
the test tube is internally provided with a clamp, and the clamp is provided with a check valve.
The working principle of the utility model is as follows: during testing, water with a certain height is injected into the test tube from the lower part of the check valve through the water supply unit, then the residual water below the check valve is emptied into the weighing assembly by closing the water injection valve and opening the water discharge valve, so that the leakage of the check valve under the static water pressure can be detected, and the data of the weighing assembly for weighing the liquid discharged from the water discharge pipe is the leakage of the check valve.
Further, the clamp is placed in the test tube, and a sealing gasket is arranged between the clamp and the test tube.
So set up, the water above the card anchor can not leak below under experimental pressure, the leakproofness is better to can ensure the accuracy of experiment.
Further, the check valve is in threaded sealing connection with the clamp. The quick assembly connection between the uniflow valve and the clamping device is convenient, and the uniflow valve and the clamping device can be sealed, so that outlet leakage is avoided.
Further, the test tube is a transparent tube.
So set up, be convenient for observe the height of the liquid of filling in the experimental tube in the experimental process.
Further, still include the air supply unit, the air supply unit includes air compressor machine, gas holder, compressed air pipeline, the gas holder with the exit linkage of air compressor machine, compressed air pipeline divides into first pipeline and second pipeline respectively through the three-way pipe, first pipeline and second pipeline communicate with lower part and the upper portion of test tube respectively, install first air ball valve and second air ball valve on first pipeline and the second pipeline respectively.
The first air ball valve is opened after the drain valve is closed, and the second air ball valve is closed, so that compressed air flows through the check valve, and the leakage of the check valve in a circulating gas state can be measured. In addition, the second air ball valve is opened, and the first air ball valve is closed, so that the upper part of the test tube can bear pressure, and the leakage of the check valve in the pressure bearing state can be measured.
The air cavity and the gas holder are used for providing compressed air for the whole test pipeline, and natural gas can be simulated to flow in the test tube during the test.
Further, a first pressure gauge is arranged at the lower part of the test tube, and a second pressure gauge is connected to the outlet of the second air ball valve.
The first pressure gauge and the second pressure gauge can respectively measure the pressure at the lower end and the upper end of the test tube, so that the test tube is safer and convenient to judge the pressure inside the test tube, thereby carrying out the pressure required by the adjustment experiment.
Further, an air outlet of the air storage tank is connected with an air main valve, and a first pressure regulating valve and a second pressure regulating valve are respectively arranged on the first pipeline and the second pipeline.
According to the scheme, the first pressure regulating valve and the second pressure regulating valve can regulate the pressure of compressed air in the pipeline and are used for simulating the flowing condition of natural gas in the test tube under different pressures. And the air main valve can adjust the flow of compressed air discharged from the air storage tank.
Further, the upper end of test tube is connected with electric ball valve, electric ball valve's exit end is connected with the blowdown pipeline.
When the electric ball valve in the scheme is in an open state, the pressure at the upper end of the test tube can be removed.
Further, scales are arranged on the test tube.
The specific height of the injected water is convenient to observe through the arrangement, and experimental data are more accurate.
Further, the weighing assembly includes a bucket and an electronic scale, the bucket being placed on the electronic scale, the bucket being located below the drain pipe.
The structure of electronic scale and cask in this scheme can be quick measure the leakage volume of uniflow valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of a single flow valve leak testing apparatus according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a water tank 1, a water pump 2, a water inlet pipe 3, a water injection valve 4, a drain valve 5, a clamp 6, a first pressure gauge 7, a first air ball valve 8, a first pressure regulating valve 9, an air compressor 10, a gas storage tank 11, an air main valve 12, a second pressure regulating valve 13, a second air ball valve 14, a second pressure gauge 15, an electric ball valve 16, a water bucket 17, an electronic scale 18, a test tube 19 and a check valve 20.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
As shown in fig. 1, this embodiment 1 provides a leakage amount measuring device of a check valve 20 retainer 6, comprising a water supply unit, a measuring unit and a test tube 19;
the water supply unit comprises a water tank 1, a water pump 2 and a water inlet pipe 3, wherein the lower ends of the water tank 1 and a test pipe 19 are communicated through the water inlet pipe 3, and the water pump 2 is arranged on the water inlet pipe 3;
the measuring unit includes the drain pipe, weigh the subassembly, the drain pipe is located the top of weighing the subassembly with test tube 19 lower extreme intercommunication, and the other end of drain pipe, drain pipe and inlet tube 3 pass through the three-way pipe to be connected in the lower extreme of test tube 19 in this embodiment, weigh the subassembly and can weigh drain pipe exhaust liquid, weigh the subassembly in this embodiment and include cask 17 and electronic scale 18, cask 17 places on electronic scale 18, and cask 17 is located the drain pipe under, cask 17 places in the drain pipe export, after drain valve 5 opens, the liquid of test tube 19 lower extreme can flow into in cask 17, the weight of the water that increases can be weighed to electronic scale 18.
A drain valve 5 for controlling the on-off of the drain pipe is arranged on the drain pipe, a water injection valve 4 for controlling the on-off of the water inlet pipe 3 is arranged on the water inlet pipe 3, and the drain valve 5 and the water inlet valve are respectively positioned at two sides of a three-way pipe between the drain pipe and the water inlet pipe 3;
the stopper 6 is installed in the test tube 19, the check valve 20 is installed on the stopper 6, and the stopper 6 and the check valve 20 are located at the lower position of the test tube 19, specifically: in this embodiment, the check valve 20 is in threaded sealing connection with the latch 6, that is, a sealing ring is arranged between the check valve 20 and the latch 6 for sealing, and the check valve 20 is in threaded connection with the latch 6, the check valve 20 is connected with the latch 6, and is fixed inside the test tube 19 through the latch 6, in this embodiment, the latch 6 is seated on the coupling of the test tube 19, a sealing gasket is arranged between the latch 6 and the test tube 19, in this embodiment, the seal gasket of rubber is adopted between the latch 6 and the test tube 19 for sealing, and water above the latch 6 cannot leak below under experimental pressure. The gas and the liquid can pass through only the valve body of the check valve 20, and cannot flow through the contact surface between the stopper 6 and the test tube 19.
The test tube 19 is a transparent tube, in this embodiment, the test tube 19 is specifically a transparent organic glass tube, and scales are arranged on the test tube 19, so that the height of the injected water can be observed conveniently.
The specific implementation process is as follows: the leakage of the check valve 20 is measured under the static state, the water filling valve 4 is opened, the water draining valve 5 is closed, the water pump 2 is started, water flows into the upper end of the check valve 20 through the valve core of the check valve 20, the water pump 2 and the water filling valve 4 are closed after a certain height liquid level is reached, the water draining valve 5 is opened to drain the liquid at the lower part of the clamp 6, the water bucket 17 and the electronic scale 18 are placed at the water outlet of the water draining pipe, and the leakage of the check valve 20 under the static state can be measured.
Example 2 differs from example 1 in that: the leakage measuring device of the check valve 20 and the locking device 6 in the embodiment further comprises an air supply unit, wherein the air supply unit comprises an air compressor 10, an air storage tank 11 and a compressed air pipeline, the air storage tank 11 is connected with an outlet of the air compressor 10, the compressed air pipeline is respectively divided into a first pipeline and a second pipeline through a three-way pipe, the first pipeline and the second pipeline are respectively communicated with the lower part and the upper part of a test pipe 19, and the first air ball valve 8 and the second air ball valve 14 are respectively arranged on the first pipeline and the second pipeline.
In this embodiment, the exhaust port of the air storage tank 11 is connected with an air main valve 12, a first pressure regulating valve 9 and a second pressure regulating valve 13 are respectively installed on the first pipeline and the second pipeline, and the first pressure regulating valve 9 and the second pressure regulating valve 13 are respectively located at the left sides of the first air ball valve 8 and the second air ball valve 14. The air compressor 10 compresses air to 0.8MPa, and the air main valve 12 and the second pressure regulating valve 13 can regulate the pressure to be lower than 0.8MPa for experimental test.
The lower part of the test tube 19 is provided with a first pressure gauge 7, and the outlet of the second air ball valve 14 is connected with a second pressure gauge 15. The first pressure gauge 7 and the second pressure gauge 15 can measure the pressure at the lower end and the upper end of the test tube 19.
In this embodiment, an electric ball valve 16 is connected to the upper end of the test tube 19, and a vent line is connected to the outlet end of the electric ball valve 16. In the open state, the electrically operated ball valve 16 can release the pressure on the upper portion of the transparent test tube 19.
The specific implementation mode is as follows: during the test, all ball valves are in the closed state in the unexplained state.
And under the static state, the leakage of the check valve 20 is measured, the water filling valve 4 and the electric ball valve 16 are opened, the water draining valve 5 is closed, the water pump 2 is started, water flows into the upper end of the check valve 20 through the valve core of the check valve 20, the water pump 2 and the water filling valve 4 are closed after a certain height liquid level is reached, and accumulated water at the lower parts of the clamping device 6 is drained through the water draining valve 5 and the first air ball valve 8, so that experimental data are more accurate. The first air ball valve 8 is closed, the water bucket 17 and the electronic scale 18 are placed at the water outlet of the water drain pipe, and the leakage of the check valve 20 in a static state can be measured.
After the test is completed, water is filled into the test tube 19 to a specified scale according to the test procedure described above, the electric ball valve 16 is closed, and the second air ball valve 14 is opened. The upper end of the test tube 19 is subjected to pressure bearing, and the second pressure gauge 15 is observed to enable the upper end pressure to reach the designated pressure. The drain valve 5 is opened to place the water bucket 17 at the water outlet of the drain pipe, and the leakage of the check valve 20 in the pressure-bearing state can be measured. After the electric ball valve 16 is closed, the second air ball valve 14 is opened, the upper end of the test tube 19 is pressurized to simulate a certain height water level, and the leakage of the check valve 20 under the high water level can be detected.
After the test is completed, water is filled into the test tube 19 to the specified scale according to the test steps, the water filling valve 4 is closed, the water draining valve 5 and the first air ball valve 8 are opened, and accumulated water at the lower part of the clamping device 6 is drained. The drain valve 5 is then closed again and the electrically operated ball valve 16 is opened, the compressed air will move upwards through the valve element of the check valve 20 and the liquid will fall back down through the valve element. During the test, the test pressure can be adjusted by the first pressure regulating valve 9, and the compressed air flow can be adjusted by the air main valve 12. After the test is completed, the air main valve 12 and the first air ball valve 8 are closed, the drain valve 5 is opened, and the leaked water is put into the water bucket 17 for weighing, so that the leakage of the check valve 20 in a circulating gas state is measured.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The device for measuring the leakage of the check valve is characterized by comprising a water supply unit, a measuring unit and a test tube;
the water supply unit comprises a water tank, a water pump and a water inlet pipe, wherein the water tank is communicated with the lower end of the test pipe through the water inlet pipe, and the water pump is arranged on the water inlet pipe;
the measuring unit comprises a drain pipe and a weighing assembly, wherein the drain pipe is communicated with the lower end of the test pipe, the other end of the drain pipe is positioned above the weighing assembly, and the weighing assembly can weigh liquid discharged by the drain pipe;
a drain valve is arranged on the drain pipe, and a water filling valve is arranged on the water inlet pipe;
the test tube is internally provided with a clamp, and the clamp is provided with a check valve.
2. The single flow valve leakage measurement device according to claim 1, wherein the retainer is seated in the test tube, and a gasket is provided between the retainer and the test tube.
3. The single flow valve leak testing apparatus of claim 1, wherein the single flow valve is in threaded sealing engagement with the retainer.
4. A single flow valve leak testing apparatus according to any one of claims 1-3, wherein the test tube is a transparent tube.
5. The single flow valve leakage measuring device according to claim 1, further comprising an air supply unit, wherein the air supply unit comprises an air compressor, an air storage tank and a compressed air pipeline, the air storage tank is connected with an outlet of the air compressor, the compressed air pipeline is respectively divided into a first pipeline and a second pipeline through a three-way pipe, the first pipeline and the second pipeline are respectively communicated with the lower part and the upper part of a test pipe, and a first air ball valve and a second air ball valve are respectively installed on the first pipeline and the second pipeline.
6. The single flow valve leakage measuring device according to claim 5, wherein a first pressure gauge is installed at the lower part of the test tube, and the outlet of the second air ball valve is connected with a second pressure gauge.
7. The single flow valve leakage measuring device according to claim 5, wherein the air outlet of the air storage tank is connected with an air main valve, and the first pipeline and the second pipeline are respectively provided with a first pressure regulating valve and a second pressure regulating valve.
8. The single flow valve leakage measuring device according to any one of claims 5-7, wherein the upper end of the test tube is connected with an electric ball valve, and the outlet end of the electric ball valve is connected with a vent line.
9. The single flow valve leakage measuring device according to claim 4, wherein the test tube is provided with graduations.
10. The single flow valve leak measurement apparatus of claim 1, wherein the weighing assembly includes a bucket and an electronic scale, the bucket being positioned on the electronic scale, the bucket being positioned below the drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312911.5U CN220525258U (en) | 2023-08-25 | 2023-08-25 | Single-flow valve leakage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312911.5U CN220525258U (en) | 2023-08-25 | 2023-08-25 | Single-flow valve leakage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525258U true CN220525258U (en) | 2024-02-23 |
Family
ID=89923116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322312911.5U Active CN220525258U (en) | 2023-08-25 | 2023-08-25 | Single-flow valve leakage measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525258U (en) |
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2023
- 2023-08-25 CN CN202322312911.5U patent/CN220525258U/en active Active
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