CN110173624B - Gas bidirectional check control valve - Google Patents
Gas bidirectional check control valve Download PDFInfo
- Publication number
- CN110173624B CN110173624B CN201910517463.8A CN201910517463A CN110173624B CN 110173624 B CN110173624 B CN 110173624B CN 201910517463 A CN201910517463 A CN 201910517463A CN 110173624 B CN110173624 B CN 110173624B
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- Prior art keywords
- water seal
- control valve
- cavity
- pipe
- liquid level
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Links
- 230000002457 bidirectional effect Effects 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 92
- 238000005192 partition Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a gas bidirectional check control valve, and relates to the field of gas valves. The control valve includes: a valve body divided by a partition into: the first cavity includes: a first water seal liquid inlet, a first water seal liquid outlet, a first air tube; the second cavity includes: a second water seal liquid inlet, a second water seal liquid outlet, and a second air pipe; the first cavity is communicated with the second cavity at the top of the partition plate; the first water seal control pipe includes: the first water seal control pipe joint, the first U-shaped water seal pipe section, the first high liquid level control valve and the first low liquid level control valve; the second water seal control pipe includes: the second water seal control pipe interface, the second U-shaped water seal pipeline section, the second high liquid level control valve, the second low liquid level control valve realizes gaseous two-way check control through opening and closing of high low liquid level control valve, beneficial effect: the invention changes the previous mode of unidirectional check, and has simple structure and strong practicability.
Description
Technical Field
The invention relates to a gas valve, in particular to a gas bidirectional check control valve.
Background
The valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device for allowing or stopping the flow of a medium in a pipe or a device and controlling the flow rate. The gas valve is a control component in the pipeline gas delivery system for changing the direction or magnitude of the gas flow.
The gas check valve is used for preventing gas from flowing backwards, is automatically opened by utilizing the self kinetic energy of the gas, is automatically closed when flowing reversely, and is normally arranged at an outlet of the gas pump and other places where the fluid is not allowed to flow reversely. The existing gas valve is mainly one-way check, and a gas valve capable of two-way check is needed.
Disclosure of Invention
In order to solve the above problems, the present invention provides a gas bidirectional check control valve, comprising:
A valve body divided by a partition into:
a first cavity, the first cavity comprising:
The first water seal liquid inlet is arranged at the top of the first cavity;
The first water seal liquid outlet is arranged on the side wall of the first cavity;
the bottom end of the first air pipe extends into the first cavity inwards, and the top end of the first air pipe extends out of the first cavity;
A second cavity, the second cavity comprising:
The second water seal liquid inlet is arranged at the top of the second cavity;
the second water seal liquid outlet is arranged on the side wall of the second cavity;
the bottom end of the second air pipe extends into the second cavity inwards, and the top end of the second air pipe extends out of the second cavity;
The first cavity is communicated with the second cavity at the top of the partition plate;
the first water seal control pipe, the first water seal control pipe includes:
the first water seal control pipe connector is connected with the first water seal liquid outlet;
the first U-shaped water seal pipe section is provided with a first pipeline and a second pipeline which are vertically upwards, and the first pipeline is connected with the first water seal control pipe interface;
The first high liquid level control valve is connected with the second pipeline, and the setting position of the first high liquid level control valve is higher than the position of the bottom end of the first air pipe and lower than the position of the top of the partition plate;
The first low liquid level control valve is connected with the second pipeline, and the setting position of the first low liquid level control valve is lower than the position of the bottom end of the first air pipe and higher than the position of the U-shaped groove of the first U-shaped water seal pipeline section.
The second water seal control pipe, the second water seal control pipe includes:
the second water seal control pipe connector is connected with the second water seal liquid outlet;
the second U-shaped water seal pipe section is provided with a third pipeline and a fourth pipeline which are vertically upwards, and the third pipeline is connected with the second water seal control pipe interface;
The second high liquid level control valve is connected with the fourth pipeline, and the setting position of the second high liquid level control valve is higher than the position of the bottom end of the second air pipe and lower than the position of the top of the partition plate;
The second low liquid level control valve is connected with the fourth pipeline, and the setting position of the second low liquid level control valve is lower than the position of the bottom end of the second air pipe and higher than the position of the U-shaped groove of the second U-shaped water seal pipeline section.
Preferably, the pressure of the water column in the first U-shaped water seal pipe section is greater than the gas pressure inside the valve body; the pressure of the water column in the second U-shaped water seal pipe section is larger than the gas pressure inside the valve body.
Preferably, the liquid in the first water seal cavity is water, and the liquid in the second water seal cavity is water.
Preferably, the valve body is rectangular.
Preferably, the valve body is circular.
Preferably, the first water seal control pipe is a steel pipe and/or a hose.
Preferably, the second water seal control pipe is a steel pipe and/or a hose.
The invention has the following beneficial effects:
Through setting up gaseous two-way check control valve, changed in the past only can one-way check mode, this design simple structure, practicality are strong.
Drawings
FIG. 1 is a schematic diagram of a two-way check control valve according to a preferred embodiment of the present invention;
FIG. 2 is a schematic illustration of a two-way check valve for a gas in accordance with a preferred embodiment of the present invention;
FIG. 3 is a schematic illustration of a two-way check valve for a gas in accordance with a preferred embodiment of the present invention;
FIG. 4 is a schematic diagram of a bi-directional check valve according to the preferred embodiment of the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The present invention provides a gas bi-directional check control valve, as shown in fig. 1, comprising:
valve body 3, valve body 3 is divided into by a partition plate 4:
First cavity 1, first cavity 1 includes:
the first water seal liquid inlet 11 is arranged at the top of the first cavity 1;
the first water seal liquid outlet 12 is arranged on the side wall of the first cavity 1;
The bottom end of the first air pipe 13 extends inwards into the first cavity 1, and the top end of the first air pipe 13 extends outwards out of the first cavity 1;
Second cavity 2, second cavity 2 includes:
A second water seal liquid inlet 21 arranged at the top of the second cavity 2;
a second water seal liquid outlet 22 arranged on the side wall of the second cavity 2;
the bottom end of the second air pipe 23 extends inwards into the second cavity 2, and the top end of the second air pipe 23 extends outwards out of the second cavity 2;
The first cavity 1 and the second cavity 2 are communicated with each other at the top of the partition board 4;
the first water seal control pipe 14, the first water seal control pipe 14 includes:
a first water seal control pipe interface 15 connected with the first water seal liquid outlet 12;
The first U-shaped water seal pipe section 16 is provided with a first pipeline 161 and a second pipeline 162 which are vertically upwards, and the first pipeline 161 is connected with the first water seal control pipe interface 15;
The first high liquid level control valve 17 is connected with the second pipeline 162, and the setting position of the first high liquid level control valve 17 is higher than the position of the bottom end of the first gas pipe 13 and lower than the position of the top of the partition board 4;
The first low liquid level control valve 18 is connected with the second pipeline 162, and the setting position of the first low liquid level control valve 18 is lower than the position of the bottom end of the first air pipe 13 and higher than the position of the U-shaped groove of the first U-shaped water seal pipe section 16.
The second water seal control pipe 24, the second water seal control pipe 24 includes:
a second water seal control pipe interface 25 connected to the second water seal liquid outlet 22;
The second U-shaped water seal pipe section 26 has a third pipe 261 and a fourth pipe 262 vertically upward, and the third pipe 261 is connected with the second water seal control pipe interface 25;
the second high liquid level control valve 27 is connected with the fourth pipeline 262, and the second high liquid level control valve 27 is arranged at a position higher than the bottom end of the second air pipe 23 and lower than the top of the partition board 4;
The second low liquid level control valve 28 is connected with the fourth pipeline 262, and the setting position of the second low liquid level control valve 28 is lower than the position of the bottom end of the second air pipe 23 and higher than the position of the U-shaped groove of the second U-shaped water seal pipe section 26.
Specifically, in the present embodiment, the valve body 3 is divided into a first chamber 1 and a second chamber 2 by a partition plate 4, and the first chamber 1 and the second chamber 2 communicate through a passage 5 at the top of the partition plate 4.
The top of the first cavity 1 is provided with a first water seal liquid inlet 11 for the first water seal liquid to enter the first cavity, the top of the first cavity 1 is also provided with a first air pipe 13, one end of the first air pipe 13 is arranged in the first cavity 1, and the other end of the first air pipe is connected with an external air source. The side wall of the first cavity body 1 is provided with a first water seal liquid outlet 12, the first water seal liquid outlet 12 is firstly connected with a first water seal control pipe interface 15 and then connected with a first U-shaped water seal pipe section 16, and the first U-shaped water seal pipe section 16 is divided into a first pipeline 161 and a second pipeline 162. The second pipe section 162 is connected to the first high-level control valve 17 and the first low-level control valve 18, respectively.
The top of the second cavity 1 is provided with a second water seal liquid inlet 21 for the second water seal liquid to enter the second cavity 2, the top of the second cavity 2 is also provided with a second air pipe 23, one end of the second air pipe 23 is arranged in the second cavity 2, and the other end is connected with an external air source. The side wall of the second cavity 2 is provided with a second water seal liquid outlet 22, the second water seal liquid outlet 22 is firstly connected with a second water seal control pipe interface 25 and then connected with a second U-shaped water seal pipe section 26, and the second U-shaped water seal pipe section 26 is divided into a third pipeline 261 and a fourth pipeline 262. The fourth conduit 262 is connected to the second high level control valve 27 and the second low level control valve 28, respectively.
As shown in fig. 2, when the first high level control valve 17 is opened and the first low level control valve 18 is closed, the first water seal liquid in the first cavity 1 has the same height as the first high level control valve 17 and is at a high liquid level; after the second low liquid level control valve 28 is opened at the same time, the height of the second water seal liquid in the second cavity 2 is the same as that of the second low liquid level control valve 28 to be a low liquid level; at this time, the high liquid level in the first cavity 1 seals the bottom of the first air pipe 13, and air can only flow out from the first air pipe 13, enter the second cavity 2 through the channel 5 at the top of the partition plate 4, and then enter the second air pipe 23, so that one-way check is realized.
As shown in fig. 3, when the first low liquid level control valve 18 is opened, the second high liquid level control valve 27 is opened and the second low liquid level control valve 28 is closed, at this time, the first water seal liquid in the first cavity 1 is at a low liquid level, the second water seal liquid in the second cavity 2 is at a high liquid level, and the gas flows out from the second gas pipe 23, enters the first cavity 1 through the channel 5, and finally enters the first gas pipe 13, so that one-way check is achieved.
As shown in fig. 4, the first low liquid level control valve 18 and the second low liquid level control valve 28 are closed at the same time, the first high liquid level control valve 17 and the second high liquid level control valve 27 are opened, at this time, the first water seal liquid and the second water seal liquid are both high liquid levels, at this time, the outlets are all sealed, and bidirectional check is realized.
In the preferred embodiment of the invention, the pressure of the water column in the first U-shaped water seal pipe section 16 is greater than the gas pressure inside the valve body 3; the pressure of the water column in the second U-shaped water sealed pipe section 26 is greater than the gas pressure inside the valve body 3.
Specifically, in this embodiment, when the first cavity 1 is at a low liquid level, only water seal liquid remains in the first U-shaped water seal pipe section 16, and the pressure generated by the height of the water seal liquid is greater than the gas pressure in the valve body 3, so that the gas is ensured not to discharge the liquid in the first U-shaped water seal pipe section 16; in the same way, the pressure of the water column in the second U-shaped water seal pipe section 26 also needs to be larger than the gas pressure inside the valve body 3.
In a preferred embodiment of the present invention, the liquid in the first sealed cavity 1 is water, and the liquid in the second sealed cavity 2 is water.
Specifically, in this embodiment, the liquid in the first water seal cavity 1 and the second water seal cavity 2 is preferably water, and may be other liquid.
In the preferred embodiment of the invention, the valve body 3 is rectangular.
In the preferred embodiment of the invention, the valve body 3 is circular.
In particular, in this embodiment, the valve body 3 is preferably rectangular or circular, and other shapes do not affect the implementation of the present invention.
In a preferred embodiment of the present invention, the first water seal control pipe 14 is a steel pipe and/or a hose.
In a preferred embodiment of the present invention, the second water seal control pipe 24 is a steel pipe and/or a hose.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (7)
1. A gas bi-directional check control valve, comprising:
A valve body divided by a partition into:
a first cavity, the first cavity comprising:
The first water seal liquid inlet is arranged at the top of the first cavity;
The first water seal liquid outlet is arranged on the side wall of the first cavity;
the bottom end of the first air pipe extends into the first cavity inwards, and the top end of the first air pipe extends out of the first cavity;
A second cavity, the second cavity comprising:
The second water seal liquid inlet is arranged at the top of the second cavity;
the second water seal liquid outlet is arranged on the side wall of the second cavity;
the bottom end of the second air pipe extends into the second cavity inwards, and the top end of the second air pipe extends out of the second cavity;
The first cavity is communicated with the second cavity at the top of the partition plate;
the first water seal control pipe, the first water seal control pipe includes:
the first water seal control pipe connector is connected with the first water seal liquid outlet;
the first U-shaped water seal pipe section is provided with a first pipeline and a second pipeline which are vertically upwards, and the first pipeline is connected with the first water seal control pipe interface;
The first high liquid level control valve is connected with the second pipeline, and the setting position of the first high liquid level control valve is higher than the position of the bottom end of the first air pipe and lower than the position of the top of the partition plate;
The first low liquid level control valve is connected with the second pipeline, and the setting position of the first low liquid level control valve is lower than the position of the bottom end of the first air pipe and higher than the position of the U-shaped groove of the first U-shaped water seal pipeline section;
The second water seal control pipe, the second water seal control pipe includes:
the second water seal control pipe connector is connected with the second water seal liquid outlet;
the second U-shaped water seal pipe section is provided with a third pipeline and a fourth pipeline which are vertically upwards, and the third pipeline is connected with the second water seal control pipe interface;
The second high liquid level control valve is connected with the fourth pipeline, and the setting position of the second high liquid level control valve is higher than the position of the bottom end of the second air pipe and lower than the position of the top of the partition plate;
The second low liquid level control valve is connected with the fourth pipeline, and the setting position of the second low liquid level control valve is lower than the position of the bottom end of the second air pipe and higher than the position of the U-shaped groove of the second U-shaped water seal pipeline section.
2. The two-way check control valve of claim 1, wherein the pressure of the water column in the first U-shaped water seal tube section is greater than the gas pressure inside the valve body; the pressure of the water column in the second U-shaped water seal pipe section is larger than the gas pressure inside the valve body.
3. The gas bi-directional check control valve of claim 1 wherein the liquid in the first chamber is water and the liquid in the second chamber is water.
4. The gas bi-directional check control valve of claim 1 wherein said valve body is rectangular.
5. A gas bi-directional check control valve according to claim 1, wherein said valve body is circular.
6. The bi-directional check control valve of claim 1 wherein said first water seal control tube is a steel tube or hose.
7. The bi-directional check control valve of claim 1 wherein said second water seal control tube is a steel tube or hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517463.8A CN110173624B (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional check control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517463.8A CN110173624B (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional check control valve |
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| Publication Number | Publication Date |
|---|---|
| CN110173624A CN110173624A (en) | 2019-08-27 |
| CN110173624B true CN110173624B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910517463.8A Active CN110173624B (en) | 2019-06-14 | 2019-06-14 | Gas bidirectional check control valve |
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| CN (1) | CN110173624B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112717474B (en) * | 2020-12-17 | 2022-12-02 | 浙江工业大学 | Continuous epoxy soybean oil water separating device and process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210831428U (en) * | 2019-06-14 | 2020-06-23 | 中国建材国际工程集团有限公司 | Gas bidirectional non-return control valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650479A (en) * | 2016-03-22 | 2016-06-08 | 广西华锐钢铁工程设计咨询有限责任公司 | U-shaped bidirectional coal gas water sealing device |
| CN107314147B (en) * | 2017-07-31 | 2023-08-04 | 湖南长翔实业有限公司 | Solenoid valve for water-gas mixer and water-gas mixer |
| CN207278949U (en) * | 2017-09-04 | 2018-04-27 | 山东义升环保设备有限公司 | Level Four water-sealed valve |
| CN107421734A (en) * | 2017-09-19 | 2017-12-01 | 河南工业大学 | A kind of Combined type air inlet aqueous vapor detection means |
| CN108888811A (en) * | 2018-07-31 | 2018-11-27 | 苏州威新锋医疗科技有限公司 | A kind of pleural cavity closed drainage device |
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2019
- 2019-06-14 CN CN201910517463.8A patent/CN110173624B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210831428U (en) * | 2019-06-14 | 2020-06-23 | 中国建材国际工程集团有限公司 | Gas bidirectional non-return control valve |
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| CN110173624A (en) | 2019-08-27 |
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