CN215869486U - Gas-water separator and ejector integrated structure - Google Patents
Gas-water separator and ejector integrated structure Download PDFInfo
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- CN215869486U CN215869486U CN202122154266.XU CN202122154266U CN215869486U CN 215869486 U CN215869486 U CN 215869486U CN 202122154266 U CN202122154266 U CN 202122154266U CN 215869486 U CN215869486 U CN 215869486U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model provides a gas-water separator and ejector integrated structure, includes: the integrated shell comprises an ejector shell at the upper part and a gas-water separator shell at the lower part; a hydrogen return inlet is formed in one side of the gas-water separator shell, a water outlet is formed in the bottom of the gas-water separator shell, and a hydrogen return outlet is formed in the top of the gas-water separator shell; a labyrinth structure is arranged in the gas-water separator shell; the high-pressure ejector is characterized in that a high-pressure nozzle is installed on one side inside the ejector shell, the front side of the high-pressure nozzle is a hydrogen source inlet, a low-pressure area is arranged on the periphery of the high-pressure nozzle, and the low-pressure area is communicated with a hydrogen return outlet. Through integrating gas-water separator and ejector in an organic whole, small, occupation space is little, can install and use in the region that some spaces are little, has cancelled connecting line between the two, and gas transmission distance is short, has reduced the energy loss in the transmission course, has promoted the pressure boost efficiency, and the installation effectiveness is high, has avoided freezing the jam condition that the temperature leads to because of ponding in the pipeline when crossing excessively.
Description
The technical field is as follows:
the utility model relates to an integrated structure of a gas-water separator and an ejector.
Background art:
the development of new energy fuel cell automobiles at present is considered as an important link of traffic energy power transformation, and in order to ensure the normal work of a fuel cell engine, the fuel cell engine generally needs auxiliary systems such as a hydrogen supply subsystem, an air supply subsystem, a circulating water cooling management subsystem and the like. The fuel cell generates electric energy through electrochemical reaction between combustible substances (hydrogen) and oxygen in air, wherein after the reaction of the fuel cell, discharged gas contains a large amount of hydrogen, and if the hydrogen is directly discharged into the atmosphere, on one hand, energy is wasted, on the other hand, the environment is polluted, and on the other hand, the hydrogen is flammable and combustible, so that danger is generated, and therefore, the hydrogen needs to be recycled. At present, sometimes an ejector is used to recycle the hydrogen-containing mixed gas back to the fuel cell for recycling.
However, the fuel cell pile is in the process of generating electricity, the water generated by the reaction can be brought out by the hydrogen-containing mixed gas, the content of water vapor in the hydrogen-containing mixed gas is high, the humidity is high, before the hydrogen-containing mixed gas enters the ejector, the water vapor needs to be separated, a gas-water separator is generally adopted at present, the existing gas-water separator and the ejector are generally arranged in a split mode, the gas-water separator and the ejector are connected through a pipeline, the transmission distance is long, loss can be generated in the transmission process, the supercharging efficiency is reduced, the pipeline connection is complex, the installation efficiency is low, the size is large, the occupied space is large, the installation and the use are not easy in small areas of some spaces, water is easy to accumulate in the pipeline, and the blockage caused by icing is easy when the temperature is too low. Simultaneously, current deareator integrates the degree poor, can not be fine detect inside atmospheric pressure and liquid level, and when the temperature was low excessively moreover, the bottom outlet was iced the jam very easily, leads to inside water unable discharge. In addition, the existing gas-water separator has poor water separation effect, and can not effectively separate residual hydrogen which does not participate in the reaction from water, so that a large amount of water enters a hydrogen circulating pump and a galvanic pile to generate flooding, the power of the galvanic pile is reduced, and the working stability of a fuel cell system is influenced; some gas-water separators have good water diversion effect, but the internal structure is too complex, and the resistance of the hydrogen-containing mixed gas is very large when the hydrogen-containing mixed gas passes through, so that the gas pressure of the gas outlet of the gas-water separator is greatly reduced, and the power consumption of the ejector is increased.
In conclusion, the connection problem between the gas-water separator and the ejector becomes a technical problem to be solved urgently in the industry.
The utility model has the following contents:
the utility model provides an integrated structure of a gas-water separator and an ejector, which overcomes the defects of the prior art, solves the problems of split arrangement, large volume and large occupied space of the prior gas-water separator and the prior ejector, and solves the problems of complex connection of the prior gas-water separator and the prior ejector through pipelines, easy water accumulation, icing and blockage.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a gas-water separator and ejector integrated structure, includes:
the integrated shell comprises an ejector shell at the upper part and a gas-water separator shell at the lower part;
a hydrogen return inlet is formed in one side of the gas-water separator shell, a water outlet is formed in the bottom of the gas-water separator shell, a hydrogen return outlet is formed in the top of the gas-water separator shell, and a drain valve is mounted on the gas-water separator shell at the water outlet and used for controlling the on-off of the water outlet; a labyrinth structure is arranged in the shell of the gas-water separator and is used for separating water in the hydrogen-containing mixed gas;
the high-pressure ejector is characterized in that a high-pressure nozzle is installed on one side inside the ejector shell, the front side of the high-pressure nozzle is a hydrogen source inlet, a low-pressure area is arranged on the periphery of the high-pressure nozzle and communicated with a hydrogen return outlet, the rear side of the high-pressure nozzle is a high-pressure area, and the high-pressure area comprises an suction section, a mixing section and a diffusion section.
The labyrinth structure includes:
the water baffle is arranged in the gas-water separator shell below the hydrogen return inlet, and is used for preventing water stored in the bottom of the gas-water separator shell from upwards flowing out during oscillation, and a water falling hole is formed in the water baffle;
the primary water distribution plate is obliquely arranged in the gas-water separator shell on the side opposite to the hydrogen return inlet, one side of the primary water distribution plate close to the hydrogen return inlet is arranged at an interval with the gas-water separator shell, one side of the primary water distribution plate far away from the hydrogen return inlet is fixedly connected with the gas-water separator shell and is provided with a first notch, and one side of the primary water distribution plate close to the hydrogen return inlet is higher than one side of the primary water distribution plate far away from the hydrogen return inlet;
the second grade divides the water board, the slope of second grade divides the water board to install in the deareator casing of one-level branch water board top, the second grade divides the water board to keep away from back hydrogen entry one side and deareator casing between the interval setting, the second grade divides the water board to be close to back hydrogen entry one side and links firmly and be equipped with the second opening with the deareator casing, the second grade divides the water board to keep away from back hydrogen entry one side and is higher than the second grade divides the water board to be close to back hydrogen entry one side.
The water baffle comprises an arc-shaped plate with a high middle part and low two ends, and the water falling holes are formed in two sides of the arc-shaped plate.
The inside of the gas-water separator shell is a triangular cavity.
The air-water separator shell is integrally cast and formed with the water baffle, the primary water distribution plate and the secondary water distribution plate, and the air-water separator shell is integrally cast and formed with the ejector shell.
And the gas-water separator shell close to the hydrogen return outlet is provided with a gas outlet detection pressure gauge for detecting the gas pressure of the hydrogen return outlet.
And a liquid level meter is arranged on the gas-water separator shell close to the water outlet and used for detecting the water level at the bottom in the gas-water separator shell.
The heater is installed at the bottom of the gas-water separator shell and used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked.
And a nitrogen discharge valve is arranged at the top of the gas-water separator shell and used for discharging air in the gas-water separator shell.
And the hydrogen source inlet is provided with an air inlet detection pressure gauge for detecting the gas pressure of the hydrogen source inlet.
By adopting the scheme, the utility model has the following advantages:
the gas-water separator and the ejector are integrated into a whole, so that the size is small, the occupied space is small, the gas-water separator can be installed and used in a small area, a connecting pipeline between the gas-water separator and the ejector is omitted, the gas transmission distance is short, the energy loss in the transmission process is reduced, the supercharging efficiency is improved, the installation efficiency is high, and the icing and blocking caused by water accumulation in the pipeline when the temperature is too low are avoided;
the gas-water separator is characterized in that a gas outlet detection pressure gauge, a liquid level meter, a heater and a drain valve are integrated on a gas-water separator shell, the structure is compact, the size is small, the integration degree is high, the gas outlet detection pressure gauge is used for detecting the gas pressure of a hydrogen return outlet to ensure that the gas outlet pressure meets the requirement, the liquid level meter is used for detecting the water level at the bottom in the gas-water separator shell, the drain valve is opened in time to drain water after the water level reaches a set value, and the heater is used for heating the bottom of the gas-water separator shell to prevent a drain outlet from being frozen and blocked;
by arranging the primary water diversion plate and the secondary water diversion plate in the gas-water separator shell, after hydrogen-containing mixed gas enters the gas-water separator from the hydrogen return inlet, one part of the hydrogen-containing mixed gas is blocked by the primary water diversion plate and then is conveyed backwards from the first opening, the other part of the hydrogen-containing mixed gas is blocked by the primary water diversion plate and returns backwards through the side, close to the hydrogen return inlet, of the primary water diversion plate and is conveyed backwards between the gas-water separator shell and the two parts of the hydrogen-containing mixed gas, the two parts of the hydrogen-containing mixed gas are conveyed backwards through the second opening and is conveyed backwards to the hydrogen return outlet through the side, far away from the hydrogen return inlet, of the secondary water diversion plate and between the gas-water separator shell, a part of the hydrogen-containing mixed gas enters from the hydrogen return inlet and then is directly conveyed backwards through the second opening to the hydrogen return outlet, water vapor in the hydrogen-containing mixed gas is condensed into liquid drops on the lower surfaces of the primary water diversion plate and the secondary water diversion plate and falls downwards under the action of gravity, the water vapor in the hydrogen-containing mixed gas is condensed into liquid drops on the upper surfaces of the primary water diversion plate and the second opening and the first opening and the second opening and falls downwards, finally, the water flows into the bottom of the shell of the gas-water separator through a water falling hole on the water baffle and is discharged from a water outlet. The setting of one-level water diversion plate and second grade water diversion plate, not only divide water effectually, can effectually separate hydrogen and water, avoid a large amount of water to get into hydrogen circulating pump and pile and produce the water logging, the resistance that receives when first opening and second opening set up in addition, can reduce the hydrogenous mist greatly and pass through has guaranteed the gas pressure of hydrogen return export, has reduced hydrogen circulating pump's power consumption.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the gas-water separation structure of the present invention.
In the figure, 1, an ejector shell, 2, a gas-water separator shell, 3, a hydrogen return inlet, 4, a water outlet, 5, a hydrogen return outlet, 6, a drain valve, 7, a high-pressure nozzle, 8, a hydrogen source inlet, 9, a low-pressure area, 10, an intake section, 11, a mixing section, 12, a diffusion section, 13, a water baffle, 14, a water falling hole, 15, a primary water diversion plate, 16, a first opening, 17, a secondary water diversion plate, 18, a second opening, 19, an air outlet detection pressure gauge, 20, a liquid level gauge, 21, a heater, 22, a nitrogen discharge valve, 23 and an air inlet detection pressure gauge.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-2, a gas-water separator and ejector integrated structure includes:
the integrated shell comprises an ejector shell 1 at the upper part and a gas-water separator shell 2 at the lower part;
a hydrogen return inlet 3 is formed in one side of the gas-water separator shell 2, a water outlet 4 is formed in the bottom of the gas-water separator shell 2, a hydrogen return outlet 5 is formed in the top of the gas-water separator shell 2, and a water discharge valve 6 is mounted on the gas-water separator shell at the water outlet and used for controlling the on-off of the water outlet; a labyrinth structure is arranged in the shell of the gas-water separator and is used for separating water in the hydrogen-containing mixed gas;
The labyrinth structure includes:
the water baffle 13 is installed in the gas-water separator shell below the hydrogen return inlet, the water baffle is used for preventing water stored in the bottom of the gas-water separator shell from rippling upwards during oscillation, and a water falling hole 14 is formed in the water baffle;
the primary water distribution plate 15 is obliquely arranged in the gas-water separator shell on the side opposite to the hydrogen return inlet, one side, close to the hydrogen return inlet, of the primary water distribution plate is arranged at intervals with the gas-water separator shell, one side, far away from the hydrogen return inlet, of the primary water distribution plate is fixedly connected with the gas-water separator shell and is provided with a first notch 16, and one side, close to the hydrogen return inlet, of the primary water distribution plate is higher than one side, far away from the hydrogen return inlet, of the primary water distribution plate;
the second grade divides water board 17, the slope of second grade divides water board 17 to install in the deareator casing of one-level branch water board top, the second grade divides water board to keep away from between hydrogen return entry one side and the deareator casing interval setting, the second grade divides water board to be close to hydrogen return entry one side and links firmly and be equipped with second opening 18 with the deareator casing, the second grade divides water board to keep away from hydrogen return entry one side and is higher than second grade and divides water board to be close to hydrogen return entry one side.
The water baffle 13 comprises an arc-shaped plate with a high middle part and low two ends, and the water falling holes 14 are formed in the two sides of the arc-shaped plate, so that water on the water baffle can conveniently enter the bottom of the gas-water separator shell from the water falling holes in the two sides.
The inside of the gas-water separator shell is a triangular cavity.
The gas-water separator is characterized in that the gas-water separator shell, the water baffle, the primary water diversion plate and the secondary water diversion plate are integrally cast and formed, and the gas-water separator shell 2 and the ejector shell 1 are integrally cast and formed.
And an air outlet detection pressure gauge 19 is arranged on the shell of the gas-water separator close to the hydrogen return outlet and used for detecting the gas pressure of the hydrogen return outlet.
And a liquid level meter 20 is arranged on the gas-water separator shell close to the water outlet and used for detecting the water level at the bottom in the gas-water separator shell.
The heater 21 is installed at the bottom of the gas-water separator shell and used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked.
And a nitrogen discharge valve 22 is arranged at the top of the gas-water separator shell and used for discharging air in the gas-water separator shell.
And the hydrogen source inlet is provided with an air inlet detection pressure gauge 23 for detecting the gas pressure of the hydrogen source inlet.
The working principle is as follows:
after the hydrogen-containing mixed gas enters the gas-water separator from the hydrogen return inlet 3, one part of the hydrogen-containing mixed gas is blocked by the primary water distribution plate 15 and then is conveyed backwards from the first opening 16, the other part of the hydrogen-containing mixed gas is blocked by the primary water distribution plate and returns backwards between one side, close to the hydrogen return inlet, of the primary water distribution plate and the gas-water separator shell, the two parts of the hydrogen-containing mixed gas are conveyed backwards between one side, far away from the hydrogen return inlet, of the secondary water distribution plate 17 and the gas-water separator shell to the hydrogen return outlet 5, a small amount of the hydrogen-containing mixed gas enters from the hydrogen return inlet and then is directly conveyed backwards to the hydrogen return outlet 5 through the second opening 18, and the gas outlet detection pressure gauge 19 is used for detecting the gas pressure of the hydrogen return outlet 5 so as to ensure that the gas outlet pressure meets the requirements. The water vapor in the hydrogen-containing mixed gas is condensed into liquid drops on the lower surfaces of the first-stage water diversion plate 15 and the second-stage water diversion plate 17 and drops downwards under the action of gravity, the water vapor in the hydrogen-containing mixed gas is condensed into liquid drops on the upper surfaces of the first-stage water diversion plate 15 and the second-stage water diversion plate 17 and flows to the first opening 16 and the second opening 18 to drop downwards, finally the liquid drops are converged into the bottom of the gas-water separator shell through the water falling hole 14 in the water baffle plate 13 and are discharged from the water outlet 4, the liquid level meter 20 is used for detecting the water level at the bottom of the gas-water separator shell, the water discharge valve 4 is opened to discharge water after the water level reaches a set value, and the heater 21 is used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked. The setting of one-level water diversion plate and second grade water diversion plate, not only divide water effectually, can effectually separate hydrogen and water, avoid a large amount of water to get into hydrogen circulating pump and pile and produce the water logging, the resistance that receives when first opening and second opening set up in addition, can reduce the hydrogenous mist greatly and pass through has guaranteed the gas pressure of hydrogen return export, has reduced hydrogen circulating pump's power consumption. The gas discharged from the hydrogen return outlet 5 enters the low-pressure area 9 of the ejector and then is discharged backwards through the suction section 10, the mixing section 11 and the diffusion section 12 of the high-pressure area, so that the gas is pressurized. Through integrating gas-water separator and ejector in an organic whole, small, occupation space is little, can install and use in the region that some spaces are little, has cancelled connecting line between the two, and gas transmission distance is short, has reduced the energy loss in the transmission course, has promoted the pressure boost efficiency, and the installation effectiveness is high, has avoided freezing the jam condition that the temperature leads to because of ponding in the pipeline when crossing excessively.
The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. The utility model provides a gas-water separator and ejector integrated structure which characterized in that: the method comprises the following steps:
the integrated shell comprises an ejector shell at the upper part and a gas-water separator shell at the lower part;
a hydrogen return inlet is formed in one side of the gas-water separator shell, a water outlet is formed in the bottom of the gas-water separator shell, a hydrogen return outlet is formed in the top of the gas-water separator shell, and a drain valve is mounted on the gas-water separator shell at the water outlet and used for controlling the on-off of the water outlet; a labyrinth structure is arranged in the shell of the gas-water separator and is used for separating water in the hydrogen-containing mixed gas;
the high-pressure ejector is characterized in that a high-pressure nozzle is installed on one side inside the ejector shell, the front side of the high-pressure nozzle is a hydrogen source inlet, a low-pressure area is arranged on the periphery of the high-pressure nozzle and communicated with a hydrogen return outlet, the rear side of the high-pressure nozzle is a high-pressure area, and the high-pressure area comprises an suction section, a mixing section and a diffusion section.
2. The gas-water separator and ejector integrated structure of claim 1, wherein: the labyrinth structure includes:
the water baffle is arranged in the gas-water separator shell below the hydrogen return inlet, and is used for preventing water stored in the bottom of the gas-water separator shell from upwards flowing out during oscillation, and a water falling hole is formed in the water baffle;
the primary water distribution plate is obliquely arranged in the gas-water separator shell on the side opposite to the hydrogen return inlet, one side of the primary water distribution plate close to the hydrogen return inlet is arranged at an interval with the gas-water separator shell, one side of the primary water distribution plate far away from the hydrogen return inlet is fixedly connected with the gas-water separator shell and is provided with a first notch, and one side of the primary water distribution plate close to the hydrogen return inlet is higher than one side of the primary water distribution plate far away from the hydrogen return inlet;
the second grade divides the water board, the slope of second grade divides the water board to install in the deareator casing of one-level branch water board top, the second grade divides the water board to keep away from back hydrogen entry one side and deareator casing between the interval setting, the second grade divides the water board to be close to back hydrogen entry one side and links firmly and be equipped with the second opening with the deareator casing, the second grade divides the water board to keep away from back hydrogen entry one side and is higher than the second grade divides the water board to be close to back hydrogen entry one side.
3. The gas-water separator and ejector integrated structure of claim 2, wherein: the water baffle comprises an arc-shaped plate with a high middle part and low two ends, and the water falling holes are formed in two sides of the arc-shaped plate.
4. The gas-water separator and ejector integrated structure of claim 2, wherein: the inside of the gas-water separator shell is a triangular cavity.
5. The gas-water separator and ejector integrated structure of claim 2, wherein: the air-water separator shell is integrally cast and formed with the water baffle, the primary water distribution plate and the secondary water distribution plate, and the air-water separator shell is integrally cast and formed with the ejector shell.
6. The gas-water separator and ejector integrated structure of claim 1, wherein: and the gas-water separator shell close to the hydrogen return outlet is provided with a gas outlet detection pressure gauge for detecting the gas pressure of the hydrogen return outlet.
7. The gas-water separator and ejector integrated structure of claim 1, wherein: and a liquid level meter is arranged on the gas-water separator shell close to the water outlet and used for detecting the water level at the bottom in the gas-water separator shell.
8. The gas-water separator and ejector integrated structure of claim 1, wherein: the heater is installed at the bottom of the gas-water separator shell and used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked.
9. The gas-water separator and ejector integrated structure of claim 1, wherein: and a nitrogen discharge valve is arranged at the top of the gas-water separator shell and used for discharging air in the gas-water separator shell.
10. The gas-water separator and ejector integrated structure of claim 1, wherein: and the hydrogen source inlet is provided with an air inlet detection pressure gauge for detecting the gas pressure of the hydrogen source inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154266.XU CN215869486U (en) | 2021-09-07 | 2021-09-07 | Gas-water separator and ejector integrated structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154266.XU CN215869486U (en) | 2021-09-07 | 2021-09-07 | Gas-water separator and ejector integrated structure |
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| Publication Number | Publication Date |
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| CN215869486U true CN215869486U (en) | 2022-02-18 |
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| CN202122154266.XU Active CN215869486U (en) | 2021-09-07 | 2021-09-07 | Gas-water separator and ejector integrated structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053522A (en) * | 2023-03-08 | 2023-05-02 | 苏州中车氢能动力技术有限公司 | Gas-water separator and ejector integrated device |
-
2021
- 2021-09-07 CN CN202122154266.XU patent/CN215869486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116053522A (en) * | 2023-03-08 | 2023-05-02 | 苏州中车氢能动力技术有限公司 | Gas-water separator and ejector integrated device |
| CN116053522B (en) * | 2023-03-08 | 2023-07-07 | 苏州中车氢能动力技术有限公司 | Gas-water separator and ejector integrated device |
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