CN213176843U - Automatic drainage device and gas-liquid separator - Google Patents
Automatic drainage device and gas-liquid separator Download PDFInfo
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- CN213176843U CN213176843U CN202022186347.3U CN202022186347U CN213176843U CN 213176843 U CN213176843 U CN 213176843U CN 202022186347 U CN202022186347 U CN 202022186347U CN 213176843 U CN213176843 U CN 213176843U
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Abstract
The utility model discloses an automatic drainage device relates to gas-liquid separation equipment technical field, include: the piston comprises a shell, a piston head and a pneumatic pressure adjusting device, wherein one end of the shell is provided with a liquid inlet, the other end of the shell is provided with an air inlet, the air inlet is communicated with a pneumatic pressure adjusting port of the pneumatic pressure adjusting device, a piston cavity is arranged in the shell, two ends of the piston cavity are respectively communicated with the air inlet and the liquid inlet, a liquid outlet is formed in the side wall of the piston cavity, the piston head is positioned in the piston cavity and is in sealing contact with the inner side wall of the piston cavity; the utility model also provides a gas-liquid separator, which comprises the automatic drainage device; the utility model provides an automatic drainage device and vapour and liquid separator can improve the stability of work and be convenient for adjust the drainage liquid level height.
Description
Technical Field
The utility model relates to a gas-liquid separation equipment technical field especially relates to an automatic drainage device and vapour and liquid separator.
Background
In the testing process of the fuel cell, gas and water are generated by cathode and anode reactions, and hydrogen in the generated gas has a utilization value, so that the water and the gas generated by the reactions need to be separated to retain the gas, and a gas-liquid separator is generally arranged at the tail end of exhaust of a fuel cell testing platform; the gas-liquid separator is provided with an automatic drainage device which automatically discharges redundant water when the water level is overhigh so as to prevent water in residual exhaust gas of cathode-anode reaction from flowing back to block the exhaust outlet; the drainage function of the traditional gas-liquid separator is realized by the electromagnetic valve and the liquid level sensor together, when the water level is higher than the liquid level sensor, the drainage valve is opened to drain water, and after the water level is lower than the liquid level sensor, the electromagnetic valve is closed to stop draining water; however, the reliability of the control by the sensor and the software is lower than that of a mechanical device, so that the work is unstable, the service life and the strength of the whole device are limited by the electromagnetic valve, and the adjustment of the drainage liquid level can only be realized by adjusting the installation position of the liquid level sensor, and the adjustment is not flexible enough; therefore, a new automatic drainage device is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic drainage device and vapour and liquid separator to solve the problem that above-mentioned prior art exists, improve the stability of work and be convenient for adjust drainage liquid level height.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an automatic drainage device, include: casing, piston head and air pressure adjusting device, the one end of casing is provided with the inlet, and the other end is provided with the air inlet, the air inlet with air pressure adjusting device's atmospheric pressure regulation mouth intercommunication, be equipped with the piston chamber in the casing, the both ends in piston chamber respectively with the air inlet with the inlet intercommunication, the liquid outlet has been seted up on the lateral wall in piston chamber, the piston head is located the piston intracavity and with the inside wall sealing contact in piston chamber, the piston head can be opened or closed the liquid outlet.
Preferably, the inner wall of one end of the piston cavity communicated with the liquid inlet is provided with a limiting part, and the piston head can be limited in the piston cavity by the limiting part.
Preferably, the limiting part is annular and protrudes out of the inner wall of the piston cavity.
Preferably, an annular sealing gasket is fixedly arranged on the end face of the limiting part facing the piston cavity.
Preferably, a water storage cavity is further arranged in the shell, and two ends of the water storage cavity are respectively communicated with the liquid inlet and the piston cavity.
Preferably, the piston head includes piston piece and sealing ring, the sealing ring cover is established and is fixed in on the outer wall of piston piece, the sealing ring possesses elasticity, the sealing ring with the inner wall interference fit in piston chamber.
The utility model also provides a vapour and liquid separator, include: the automatic water discharging device is described above.
The utility model discloses for prior art gain following technological effect:
the utility model provides an automatic drainage device and a gas-liquid separator, wherein the automatic drainage device comprises a shell, a piston head and an air pressure adjusting device, the air pressure adjusting device can change the air pressure in the piston cavity, when in an initial state, the piston head is pressed to one end of the piston cavity by air pressure and can block the liquid outlet, water separated by the gas-liquid separator continuously flows into the shell, the water amount in the shell is continuously increased, the water pressure borne by the piston head is increased more and more, when the water pressure at one side of the piston head is higher than the air pressure at the other side, the piston head moves to one side of the air inlet and exposes the liquid outlet, at the moment, the water in the shell can flow out of the liquid outlet, the water amount in the shell is continuously reduced, when the water quantity in the shell is reduced to a certain quantity, the water pressure at one side of the plug head is smaller than the air pressure at the other side, the piston head moves to one side far away from the air inlet, and the liquid outlet is blocked again; the device abandons the traditional liquid level sensor and the electromagnetic valve, and realizes the function of quantitative liquid drainage by utilizing the characteristic that the water pressure borne by the piston head is increased along with the continuous rise of the liquid level in the shell; and the staff can adjust the height of the drainage liquid level by adjusting the air pressure value in the piston cavity; therefore, the utility model provides an automatic drainage device and vapour and liquid separator have improved the stability of work and are convenient for adjust the drainage liquid level height.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an automatic water draining device without an air pressure adjusting device according to an embodiment;
FIG. 2 is a vertical perspective cross-sectional view of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
in the figure: 1-shell, 2-piston block, 3-sealing ring, 4-annular sealing gasket, 5-air inlet, 6-liquid outlet, 7-liquid inlet, 8-water storage cavity, 9-air inlet pipe, 10-piston cavity and 11-limiting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an automatic drainage device and vapour and liquid separator to solve the problem that prior art exists, improved the stability of work and be convenient for adjust drainage liquid level height.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
The present embodiment provides an automatic drainage device, as shown in fig. 1 to 3, comprising: the piston comprises a shell 1, a piston head and an air pressure adjusting device, wherein one end of the shell 1 is provided with a liquid inlet 7, the other end of the shell is provided with an air inlet 5, the air inlet 5 is communicated with an air pressure adjusting opening of the air pressure adjusting device, a piston cavity 10 is arranged in the shell 1, two ends of the piston cavity 10 are respectively communicated with the air inlet 5 and the liquid inlet 7, a liquid outlet 6 is formed in the side wall of the piston cavity 10, the piston head is positioned in the piston cavity 10 and is in sealing contact with the inner side wall of the piston cavity 10, and the piston;
the air pressure adjusting device changes the air pressure in the piston cavity 10 by inflating or evacuating air into the piston cavity 10, and the air pressure in the piston cavity 10 is a fixed value in an initial state; the piston head is pressed to one end, far away from the air inlet 5, of the piston cavity 10 by air pressure and can block the liquid outlet 6 in the side wall of the piston cavity 10, water separated by the gas-liquid separator continuously flows into the shell 1, the water amount in the shell 1 is continuously increased, the water pressure borne by the piston head is increasingly large, when the water pressure on one side of the piston head is larger than the air pressure on the other side, the piston head moves to one side of the air inlet 5 and exposes the liquid outlet 6, at the moment, the water in the shell 1 can flow out of the liquid outlet 6, the water amount in the shell 1 is continuously reduced, when the water amount in the shell 1 is reduced to a certain amount, the water pressure on one side of the plug head is smaller than the air pressure on the other side; the device abandons the traditional liquid level sensor and the electromagnetic valve, and realizes the function of quantitative liquid drainage by utilizing the characteristic that the water pressure borne by the piston head is increased along with the continuous rise of the liquid level in the shell 1; and the staff can adjust the height of the drainage liquid level by adjusting the air pressure value in the piston cavity 10; therefore, the utility model provides an automatic drainage device and vapour and liquid separator have improved the stability of work and are convenient for adjust the drainage liquid level height.
Furthermore, the inner wall of one end of the piston cavity 10 communicated with the liquid inlet 7 is provided with a limiting part 11, and the limiting part 11 can limit the piston head in the piston cavity 10 to prevent the piston head from being pressed out of the piston cavity 10 by air pressure.
Furthermore, the limiting part 11 is annular, the limiting part 11 protrudes out of the inner wall of the piston cavity 10, the contact area between the limiting part and the piston head is increased, and the piston head is prevented from being damaged due to overlarge air pressure.
Furthermore, an annular sealing gasket 4 is fixedly arranged on the end face of the limiting part 11 facing the interior of the piston cavity 10, and the annular sealing gasket 4 is made of elastic materials, so that the piston head is prevented from being in rigid contact with the limiting part 11.
Further, still be provided with a retaining chamber 8 in the casing 1, the both ends in retaining chamber 8 communicate with inlet 7 and piston chamber 10 respectively, and the cross-sectional area in retaining chamber 8 is great, can store more water.
Further, the piston head includes piston block 2 and sealing ring 3, and 3 covers of sealing ring are established and are fixed in on the outer wall of piston block 2, and sealing ring 3 possesses elasticity, and sealing ring 3 and the inner wall interference fit of piston chamber 10 strengthen sealing performance, prevent that water from entering into piston chamber 10.
Further, an air inlet pipe 9 is arranged on the air inlet 5, and a liquid outlet pipe is arranged on the liquid outlet 6.
Example two
The present embodiment provides a gas-liquid separator including: the automatic water discharging device in the first embodiment.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. An automatic drainage device, its characterized in that: the method comprises the following steps: casing, piston head and air pressure adjusting device, the one end of casing is provided with the inlet, and the other end is provided with the air inlet, the air inlet with air pressure adjusting device's atmospheric pressure regulation mouth intercommunication, be equipped with the piston chamber in the casing, the both ends in piston chamber respectively with the air inlet with the inlet intercommunication, the liquid outlet has been seted up on the lateral wall in piston chamber, the piston head is located in the piston chamber and with the inside wall sealing contact in piston chamber, the piston head can be opened or closed the liquid outlet.
2. The automatic water discharge device according to claim 1, wherein: the piston cavity is provided with spacing portion on the inner wall of the one end that the inlet communicates, spacing portion can with the piston head limit in the piston cavity.
3. The automatic water discharge device according to claim 2, wherein: the limiting part is annular and protrudes out of the inner wall of the piston cavity.
4. The automatic water discharge device according to claim 3, wherein: an annular sealing gasket is fixedly arranged on the end face of the limiting part facing the piston cavity.
5. The automatic water discharge device according to claim 1, wherein: still be provided with a retaining chamber in the casing, the both ends in retaining chamber respectively with the inlet with the piston chamber intercommunication.
6. The automatic water discharge device according to claim 1, wherein: the piston head comprises a piston block and a sealing ring, the sealing ring is sleeved and fixed on the outer wall of the piston block, the sealing ring is elastic, and the sealing ring is in interference fit with the inner wall of the piston cavity.
7. A gas-liquid separator characterized by: the method comprises the following steps: the automatic water discharge device according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186347.3U CN213176843U (en) | 2020-09-29 | 2020-09-29 | Automatic drainage device and gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186347.3U CN213176843U (en) | 2020-09-29 | 2020-09-29 | Automatic drainage device and gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176843U true CN213176843U (en) | 2021-05-11 |
Family
ID=75777231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022186347.3U Active CN213176843U (en) | 2020-09-29 | 2020-09-29 | Automatic drainage device and gas-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176843U (en) |
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2020
- 2020-09-29 CN CN202022186347.3U patent/CN213176843U/en active Active
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