CN211530095U - Centrifugal gas-water separator for anode tail gas of fuel cell - Google Patents
Centrifugal gas-water separator for anode tail gas of fuel cell Download PDFInfo
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- CN211530095U CN211530095U CN201922420475.7U CN201922420475U CN211530095U CN 211530095 U CN211530095 U CN 211530095U CN 201922420475 U CN201922420475 U CN 201922420475U CN 211530095 U CN211530095 U CN 211530095U
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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
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Abstract
The utility model relates to a centrifugal gas-water separation device for anode tail gas of a fuel cell. The gas-water separation device solves the problems that an existing hydrogen circulation device is poor in gas-water separation effect and easy to block a flow channel of a fuel cell stack polar plate, and comprises a separation tank body, an air inlet is formed in the upper end of the separation tank body, a water outlet is formed in the lower end of the separation tank body, an air outlet which is perpendicular to the axis of the air inlet and the axis of the air outlet is formed in the upper end of the separation tank body, an air inlet pipe is arranged at the upper end of the separation tank body in a penetrating mode, the upper end of the air inlet pipe is located on the outer side of the separation tank body and forms the air inlet, the lower end of the air inlet pipe vertically extends downwards to the. The utility model has the advantages that: the separation effect is good, and the problem that a flow passage of a fuel cell stack plate is blocked is effectively avoided.
Description
Technical Field
The utility model relates to a fuel cell technical field, concretely relates to centrifugal gas-water separation of fuel cell positive pole tail gas device.
Background
The hydrogen fuel cell is a power generation device which directly converts chemical energy into electric energy through electrochemical reaction, has the characteristics of high efficiency, high power, long power supply time, long service life, high reliability, low noise, no harmful emissions and the like, and has great application potential in the field of transportation. When the hydrogen fuel cell works, oxygen and hydrogen in the air enter the fuel cell to generate electrochemical reaction to generate water, meanwhile, the hydrogen gas which is not completely reacted is discharged, in order to improve the utilization efficiency of the hydrogen gas, the hydrogen gas which is not completely reacted is generally led into the fuel inlet of the hydrogen fuel cell again through a hydrogen circulating pump or an injection device, and the hydrogen circulating device in the prior art has the defects of poor power of the fuel cell due to the small load range of separation and easy liquid resistance, if the vehicle is violently bumpy or has a large vertical gradient, the separated water is easy to flow backwards and enter the hydrogen return pipeline, the separation stability is not good, and simultaneously, because the separation of water and the hydrogen gas which is not completely reacted is not complete, the anode is flooded after the high-humidity circulating fuel gas enters the fuel cell, the flow channel of the fuel cell stack polar plate is blocked, the output power of the hydrogen fuel cell is influenced, and even the hydrogen fuel cell is damaged.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses a hydrogen fuel cell gas-water separation device [ CN201910577514.6], which comprises a gas-water separator main body, and a mixture inlet, a hydrogen return port, a water outlet and a waste gas outlet which are arranged on the gas-water separator main body, and further comprises an inner cylinder, wherein the hydrogen return port is arranged at the top of the gas-water separator main body, the water outlet is arranged at the bottom of the gas-water separator main body, the mixture inlet is arranged on the side wall of the gas-water separator main body, the air inlet direction of the mixture inlet is tangent to the inner wall of the gas-water separator main body, the inner cylinder is arranged inside the gas-water separator main body through an inner flange arranged on the inner cylinder, and an up-down communicated channel.
The scheme solves the problems of small load range and poor separation stability of the existing hydrogen circulation device, but the scheme still has a plurality of defects, such as: incomplete separation of water and hydrogen gas which is not completely reacted is easy to cause blockage of a fuel cell stack plate flow passage, influence on output power of the hydrogen fuel cell and even cause damage to the hydrogen fuel cell.
Disclosure of Invention
The utility model aims at the above problem, provide a centrifugal gas-water separation device of fuel cell positive pole tail gas that reasonable in design, gas-water separation are effectual.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the centrifugal gas-water separation device for the anode tail gas of the fuel cell comprises a cylindrical separation tank body, wherein a cavity is arranged in the separation tank body, an air inlet connected with a fuel cell stack is formed in the upper end of the separation tank body, a water outlet coaxial with the air inlet is formed in the lower end of the separation tank body, an air outlet which is vertical to the axis of the air inlet is formed in one side, located on the separation tank body, of the upper end of the separation tank body, a vertically arranged air inlet pipe is arranged at the upper end of the separation tank body in a penetrating mode, the upper end of the air inlet pipe is located on the outer side of the separation tank body and forms the air inlet, the lower end of the air inlet pipe vertically extends downwards to the middle lower portion of the inner cavity of the separation tank body, the lower end of the air inlet pipe, the capillary air pipe group is connected with the inner cavity of the air inlet pipe through a connecting seat arranged on the circumferential outer side of the lower end of the air inlet pipe. The tail gas entering the gas inlet pipe makes spiral centrifugal motion through the centrifugal capillary tube structure, so that effective separation of hydrogen and water is realized, the separated water is attached to the inner wall of the separation tank body, the separated hydrogen is discharged through the water outlet due to the fact that the separated water is collected downwards under the action of gravity, the separated hydrogen is discharged through the gas outlet and reused, separation of the hydrogen and the water in the tail gas of the fuel cell is realized, and the problems that a fuel cell stack polar plate flow passage is blocked and the output power of the hydrogen cell is influenced are effectively solved.
In foretell centrifugal gas-water separator of fuel cell positive pole tail gas, capillary trachea group includes that a plurality of settings just are the capillary trachea that the heliciform distributes the setting in the intake pipe lower extreme circumference outside, and the one end that the intake pipe was kept away from to the capillary trachea has the portion of giving vent to anger, and the capillary trachea other end has the air inlet portion that is linked together with the connecting seat, and link up each other between intake pipe, connecting seat, air inlet portion, capillary trachea, the portion of giving vent to anger. The spiral capillary air pipes can increase the trend and kinetic energy of the centrifugal motion of the tail gas.
In the centrifugal gas-water separation device for the fuel cell anode tail gas, the capillary tubes are arc-shaped and are obliquely arranged downwards, the capillary tubes are circumferentially and spirally distributed and are circular by taking the central axis of the air inlet tube as a circle, one end of each capillary tube extends to the circumferential inner side of the separation tank body, and the air outlet part of any one of the two adjacent capillary tubes extends to the circumferential outer side of the other capillary tube.
In the centrifugal gas-water separation device for the anode tail gas of the fuel cell, one end of the connecting seat close to the gas inlet part is provided with a connecting part connected with the gas inlet part, one end of the connecting seat far away from the gas inlet part is provided with a fixing part for fixing the connecting part on the circumferential outer side of the gas inlet pipe, and the fixing part and the connecting part are integrally formed. The advantage of integral molding is that the long-term use will not be damaged due to the large centrifugal force.
In the centrifugal gas-water separation device for the anode tail gas of the fuel cell, the circumferential edges of the fixing parts on the two adjacent connecting seats are arranged in a crossed manner, so that an annular structure is formed on the circumferential outer side of the gas inlet pipe.
In the centrifugal gas-water separation device for the anode tail gas of the fuel cell, the connecting seat is integrally formed at the circumferential outer side of the gas inlet pipe, and the gas inlet part, the capillary gas pipe and the gas outlet part are integrally formed on the connecting seat. The arrangement enables the connecting water to be more smoothly discharged to the inner wall of the separation tank body.
In the centrifugal gas-water separation device for the anode tail gas of the fuel cell, the upper end of the separation tank body is provided with the upper arc-shaped flow guide part, the air inlet pipe penetrates through the upper end of the upper arc-shaped flow guide part, the lower end of the separation tank body is provided with the lower arc-shaped flow guide part, and the water outlet is formed in the lower end of the lower arc-shaped flow guide part. The lower arc-shaped flow guide part can ensure that water attached to the inner wall of the separation tank body is converged to the water outlet under the action of gravity, thereby being beneficial to the discharge of the water.
In the centrifugal gas-water separation device for anode tail gas of fuel cell, the upper end of the upper arc-shaped flow guide part is provided with an upper extension barrel part which is located on the circumferential outer side of the air inlet pipe and is in a barrel shape, the lower end of the lower arc-shaped flow guide part extends downwards to form a lower extension barrel part in a barrel shape, the water outlet is formed in the lower extension barrel part, one side of the upper end of the upper arc-shaped flow guide part is provided with an outer extension barrel part which extends outwards and is in a barrel shape, and the air outlet is.
In the centrifugal gas-water separator for the anode tail gas of the fuel cell, the separator tank is cylindrical, and the air inlet pipe and the water outlet are distributed along the central line of the separator tank.
In the centrifugal gas-water separation device for the anode tail gas of the fuel cell, the gas inlet of the separation tank body is connected with the fuel cell stack through the first electromagnetic valve, the gas outlet of the separation tank body is connected with the fuel cell stack through the hydrogen circulating pump, the water outlet of the separation tank body is connected with the system tail gas treatment device through the second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are both connected with the control system.
Compared with the prior art, the utility model has the advantages of: simple structure, low cost, it is spiral centrifugal motion to drive tail gas through mutually supporting of intake pipe and centrifugal capillary trachea structure, thoroughly separate hydrogen and water effectively, the water of separating is discharged through the outlet, the hydrogen of separating gets into through the gas vent and discharges and the way hydrogen circulating pump reentrants fuel cell pile, the cyclic utilization of hydrogen has been realized, the work load of hydrogen circulating pump is reduced, the fuel cell pile polar plate runner has been avoided producing the jam, influence hydrogen fuel cell output's problem.
Drawings
FIG. 1 is an overall structure of the present invention;
fig. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of a centrifugal capillary tube according to the present invention;
fig. 4 is a flow chart of the present invention in a hydrogen circulation system.
In the figure, the separator tank 1, the air inlet 11, the water outlet 12, the air outlet 13, the outer extended cylinder 131, the upper arc-shaped flow guide part 14, the upper extended cylinder 141, the lower arc-shaped flow guide part 15, the lower extended cylinder 151, the air inlet pipe 2, the connecting seat 21, the connecting part 211, the fixing part 212, the annular structure 22, the centrifugal capillary pipe structure 3, the capillary pipe group 31, the capillary pipe 311, the air outlet 312, the air inlet 313, the first electromagnetic valve 4, the fuel cell stack 5, the hydrogen circulating pump 6, the second electromagnetic valve 7, the system exhaust gas treatment device 8 and the control system 9 are shown.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-4, the centrifugal gas-water separation device for anode tail gas of the fuel cell comprises a cylindrical separation tank body 1 with a cavity inside, an air inlet 11 connected with a fuel cell stack 5 is arranged at the upper end of the separation tank body 1, a water outlet 12 coaxially arranged with the air inlet 11 is arranged at the lower end of the separation tank body 1, an air outlet 13 with the axis vertical to the axis of the air inlet 11 is arranged at one side of the separation tank body 1 at the upper end of the separation tank body 1, a vertically arranged air inlet pipe 2 is arranged at the upper end of the separation tank body 1 in a penetrating manner, the upper end of the air inlet pipe 2 is arranged at the outer side of the separation tank body 1 and forms the air inlet 11, the lower end of the air inlet pipe 2 vertically extends downwards to the middle lower part of the inner cavity of the separation tank body 1, the lower end of the air inlet pipe 2, and centrifugal capillary structure 3 is spiral capillary group 31, and capillary group 31 links to each other with 2 inner chambers of intake pipe through setting up connecting seat 21 in 2 lower extreme circumference outsides of intake pipe. The tail gas that fuel cell pile 5 exhaust gets into in the intake pipe 2 cavity that is arranged in the knockout drum body 1, tail gas is the centrifugal motion of spiral through centrifugal capillary structure 3 and the kinetic energy of self, utilize the density difference of gas and water, the centrifugal force that water received is greater than keeping away from of gas, separate water from intake pipe 2 cavity, it is effectual to separate, water after the separation simultaneously passes through outlet 12 and discharges, hydrogen after the separation utilizes hydrogen circulating pump 6 reentrant fuel cell pile 5 through gas outlet 13 discharge, the cyclic utilization of hydrogen has been realized, the load of hydrogen circulating pump 6 has been reduced simultaneously, the polar plate runner of fuel cell pile 5 has been avoided producing and has been blockked up.
Wherein, capillary trachea group 31 includes a plurality of setting in the outside of 2 lower extremes circumference of intake pipe and be the capillary trachea 311 of heliciform distribution setting, and the one end that the intake pipe 2 was kept away from to capillary trachea 311 has air outlet portion 312, and the capillary trachea 311 other end has the air inlet portion 313 that is linked together with connecting seat 21, and link up each other between intake pipe 2, connecting seat 21, air inlet portion 313, capillary trachea 311, the air outlet portion 312.
Specifically, the capillary tubes 311 are arc-shaped and are arranged obliquely downward, the capillary tubes 311 are circumferentially spirally distributed and arranged in a circular manner by using the central axis of the air inlet tube 2, one end of each capillary tube 311 extends to the circumferential inner side of the separation tank body 1, and the air outlet portion 312 of any one capillary tube 311 of two adjacent capillary tubes 311 extends to the circumferential outer side of the remaining one capillary tube 311. The tail gas can be in spiral centrifugal motion by the arrangement, and separation of hydrogen and water is facilitated.
Further, one end of the connecting seat 21 close to the air inlet portion 313 is provided with a connecting portion 211 connected to the air inlet portion 313, one end of the connecting seat 21 far away from the air inlet portion 313 is provided with a fixing portion 212 for fixing the connecting portion 211 to the circumferential outer side of the air inlet pipe 2, and the fixing portion 212 and the connecting portion 211 are integrally formed.
As can be seen, the circumferential edges of the fixing portions 212 on two adjacent connecting seats 21 are crossed to form a ring-shaped structure 22 on the circumferential outer side of the air inlet pipe 2.
Obviously, the connection seat 21 is integrally formed at the circumferential outer side of the air intake tube 2, and the air intake portion 313, the capillary air tube 311, and the air outlet portion 312 are integrally formed on the connection seat 21. The integrally formed structure is stable, and the capillary tube set 31 is not damaged by water impacting the centrifugal capillary tube structure 3 greatly due to overlarge centrifugal force.
Furthermore, the upper end of the separation tank body 1 is provided with an upper arc-shaped flow guide part 14, the air inlet pipe 2 penetrates through the upper end of the upper arc-shaped flow guide part 14, the lower end of the separation tank body 1 is provided with a lower arc-shaped flow guide part 15, and the water outlet 12 is formed at the lower end of the lower arc-shaped flow guide part 15. The arc-shaped diversion part 14 can lead the water attached to the separation tank body 1 to be collected to the water outlet 12, thus being beneficial to discharging the separated water.
In detail, the upper end of the upper arc-shaped flow guide part 14 has an upper extension cylinder part 141 which is located at the circumferential outer side of the air inlet pipe 2 and is cylindrical, the lower end of the lower arc-shaped flow guide part 15 extends downward to form a lower extension cylinder part 151 which is cylindrical, the water outlet 12 is formed on the lower extension cylinder part 151, one side of the upper end of the upper arc-shaped flow guide part 14 has an outer extension cylinder part 131 which is outwardly extended and cylindrical, and the air outlet 13 is formed on the outer extension cylinder part 131.
Preferably, the separation tank body 1 is cylindrical, and the air inlet pipe 2 and the water outlet 12 are distributed along the central line of the separation tank body 1.
Wherein, the air inlet 11 of the separation tank body 1 is connected with the fuel cell stack 5 through the first electromagnetic valve 4, the air outlet 13 of the separation tank body 1 is connected with the fuel cell stack 5 through the hydrogen circulating pump 6, the water outlet 12 of the separation tank body 1 is connected with the system tail gas treatment device 8 through the second electromagnetic valve 7, and the first electromagnetic valve 4 and the second electromagnetic valve 7 are both connected with the control system 9.
The principle of the embodiment is as follows: the tail gas entering the inner cavity of the gas inlet pipe 2 passes through the capillary gas pipe group 31 consisting of a plurality of capillary gas pipes 311 which are spirally distributed and arranged and the self kinetic energy, the tail gas is driven to do spiral centrifugal motion, the density difference of gas and water is utilized, when the water and the gas are mixed and flow together, the centrifugal force of the water is greater than the principle of gas, the hydrogen and the water in the tail gas are effectively separated, the separation effect is good, the separated water is attached to the wall surface of the separation tank body 1, the downward extension cylinder part 151 is collected downwards under the action of gravity and is discharged through the water outlet 12, the separated hydrogen is discharged through the gas outlet 13, the hydrogen circulating pump 6 is utilized to enter the fuel cell pile 5 again, the hydrogen recycling is realized, the load of the hydrogen circulating pump 6 is reduced at the same time, and the blockage of a polar plate flow passage of the fuel.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the separator tank 1, the air inlet 11, the water outlet 12, the air outlet 13, the outer extended cylindrical portion 131, the upper arc-shaped flow guide portion 14, the upper extended cylindrical portion 141, the lower arc-shaped flow guide portion 15, the lower extended cylindrical portion 151, the air inlet pipe 2, the connection seat 21, the connection portion 211, the fixing portion 212, the annular structure 22, the centrifugal capillary structure 3, the capillary tube group 31, the capillary tube 311, the air outlet 312, the air inlet 313, the first electromagnetic valve 4, the fuel cell stack 5, the hydrogen circulation pump 6, the second electromagnetic valve 7, the system off-gas treatment device 8, and the control system 9 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A centrifugal gas-water separation device for anode tail gas of a fuel cell comprises a cylindrical separation tank body (1) with a cavity inside, wherein an air inlet (11) connected with a fuel cell stack (5) is formed in the upper end of the separation tank body (1), a water outlet (12) coaxially arranged with the air inlet (11) is formed in the lower end of the separation tank body (1), an air outlet (13) with an axis vertical to the axis of the air inlet (11) is formed in one side of the separation tank body (1) in the upper end of the separation tank body (1), the upper end of the air inlet pipe (2) is vertically arranged in the outer side of the separation tank body (1) in a penetrating mode and forms the air inlet (11), the lower end of the air inlet pipe (2) vertically extends downwards to the middle lower part of an inner cavity of the separation tank body (1) and the lower end of the air inlet pipe (2) is in a closed state, intake pipe (2) lower extreme circumference outside be connected with centrifugal capillary trachea structure (3), intake pipe (2) communicate with the cavity of the knockout drum body (1) each other through centrifugal capillary trachea structure (3), just centrifugal capillary trachea structure (3) for being spiral helicine capillary trachea group (31), capillary trachea group (31) link to each other with intake pipe (2) inner chamber through connecting seat (21) that set up in intake pipe (2) lower extreme circumference outside.
2. The centrifugal gas-water separation device for the anode tail gas of the fuel cell according to claim 1, wherein the capillary gas pipe set (31) comprises a plurality of capillary gas pipes (311) which are arranged on the circumferential outer side of the lower end of the gas inlet pipe (2) and are spirally distributed, one ends of the capillary gas pipes (311) far away from the gas inlet pipe (2) are provided with gas outlet portions (312), the other ends of the capillary gas pipes (311) are provided with gas inlet portions (313) communicated with the connecting seat (21), and the gas inlet pipes (2), the connecting seat (21), the gas inlet portions (313), the capillary gas pipes (311) and the gas outlet portions (312) are communicated with one another.
3. The centrifugal gas-water separation device for the fuel cell anode tail gas according to claim 2, wherein the capillary tubes (311) are arc-shaped and are arranged obliquely downwards, the capillary tubes (311) are circumferentially and spirally distributed and are arranged by taking the central axis of the gas inlet tube (2) as a circle, one end of each capillary tube (311) extends to the circumferential inner side of the separation tank body (1), and the gas outlet part (312) of any one capillary tube (311) in two adjacent capillary tubes (311) extends to the circumferential outer side of the remaining one capillary tube (311).
4. The centrifugal gas-water separator for the fuel cell anode tail gas according to claim 2 or 3, wherein a connecting part (211) connected with the air inlet part (313) is arranged at one end of the connecting seat (21) close to the air inlet part (313), a fixing part (212) for fixing the connecting part (211) on the circumferential outer side of the air inlet pipe (2) is arranged at one end of the connecting seat (21) far away from the air inlet part (313), and the fixing part (212) and the connecting part (211) are integrally formed.
5. The centrifugal gas-water separator for fuel cell anode tail gas according to claim 4, characterized in that the circumferential edges of the fixing parts (212) on two adjacent connecting seats (21) are crossed to form an annular structure (22) at the circumferential outer side of the air inlet pipe (2).
6. The centrifugal gas-water separator for fuel cell anode tail gas according to claim 4, characterized in that the connecting base (21) is integrally formed at the circumferential outer side of the gas inlet pipe (2), and the gas inlet part (313), the capillary gas pipe (311) and the gas outlet part (312) are integrally formed on the connecting base (21).
7. The centrifugal gas-water separator for the anode tail gas of the fuel cell according to claim 1, wherein the upper end of the separator tank (1) is provided with an upper arc-shaped flow guide part (14), the air inlet pipe (2) is arranged at the upper end of the upper arc-shaped flow guide part (14) in a penetrating manner, the lower end of the separator tank (1) is provided with a lower arc-shaped flow guide part (15), and the water outlet (12) is formed at the lower end of the lower arc-shaped flow guide part (15).
8. The centrifugal gas-water separator for anode off-gas of fuel cell as claimed in claim 7, wherein the upper end of the upper arc-shaped flow guide part (14) has an upper cylindrical extension part (141) located at the circumferential outer side of the gas inlet pipe (2) and having a cylindrical shape, the lower end of the lower arc-shaped flow guide part (15) extends downward to form a lower cylindrical extension part (151) having a cylindrical shape, the water outlet (12) is formed on the lower cylindrical extension part (151), one side of the upper end of the upper arc-shaped flow guide part (14) has an outer cylindrical extension part (131) extending outward and having a cylindrical shape, and the gas outlet (13) is formed on the outer cylindrical extension part (131).
9. The centrifugal gas-water separator for the fuel cell anode tail gas according to claim 1, wherein the separator tank (1) is cylindrical, and the air inlet pipe (2) and the water outlet (12) are distributed along the center line of the separator tank (1).
10. The centrifugal gas-water separation device for the anode tail gas of the fuel cell as claimed in claim 1, wherein the gas inlet (11) of the separation tank body (1) is connected with the fuel cell stack (5) through a first electromagnetic valve (4), the gas outlet (13) of the separation tank body (1) is connected with the fuel cell stack (5) through a hydrogen circulating pump (6), the water outlet (12) of the separation tank body (1) is connected with the system tail gas treatment device (8) through a second electromagnetic valve (7), and the first electromagnetic valve (4) and the second electromagnetic valve (7) are both connected with the control system (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922420475.7U CN211530095U (en) | 2019-12-26 | 2019-12-26 | Centrifugal gas-water separator for anode tail gas of fuel cell |
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| CN201922420475.7U CN211530095U (en) | 2019-12-26 | 2019-12-26 | Centrifugal gas-water separator for anode tail gas of fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899451A (en) * | 2022-05-05 | 2022-08-12 | 烟台东德实业有限公司 | Cyclone water separator and ejector integrated hydrogen circulation system |
-
2019
- 2019-12-26 CN CN201922420475.7U patent/CN211530095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899451A (en) * | 2022-05-05 | 2022-08-12 | 烟台东德实业有限公司 | Cyclone water separator and ejector integrated hydrogen circulation system |
| CN114899451B (en) * | 2022-05-05 | 2023-03-31 | 烟台东德实业有限公司 | Cyclone water separator and ejector integrated hydrogen circulation system |
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Effective date of registration: 20220430 Granted publication date: 20200918 |
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