CN211907590U - Hydrogen circulating pump assembly with water-vapor separation device and fuel cell with hydrogen circulating pump assembly - Google Patents
Hydrogen circulating pump assembly with water-vapor separation device and fuel cell with hydrogen circulating pump assembly Download PDFInfo
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- CN211907590U CN211907590U CN202020314872.6U CN202020314872U CN211907590U CN 211907590 U CN211907590 U CN 211907590U CN 202020314872 U CN202020314872 U CN 202020314872U CN 211907590 U CN211907590 U CN 211907590U
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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 discloses a take steam separator's hydrogen circulating pump subassembly and fuel cell who uses, including the hydrogen circulating pump, it still includes steam separator, steam separator includes the air inlet, gas vent and outlet, the gas vent is connected with the income gas port of hydrogen circulating pump, the water that the mixed gas of taking hydrogen that gets into from the air inlet was separated out after steam separator handles is discharged by the outlet, the hydrogen of separating gets into and pressurizes the back and discharges again in the hydrogen circulating pump, can separate water and the complete hydrogen of unreacted well, effectively prevent to have excessive water to lead to the pile to produce the water blocking phenomenon in the circulation system, guarantee entire system's efficiency, energy saving, reduce cost.
Description
The technical field is as follows:
the utility model relates to a take water vapor separator's hydrogen circulating pump subassembly and fuel cell of using.
Background art:
at present, the fuel cell system is widely applied to new energy automobiles, and when the fuel cell stack works, oxygen reacts with hydrogen to generate water, and the water is discharged from the stack. However, part of the incompletely reacted hydrogen is discharged from the stack together with water, and in order to improve the use efficiency of the hydrogen, the incompletely reacted hydrogen needs to be introduced into the stack again through a hydrogen circulation system to be reacted again.
In the prior art, a hydrogen circulation system can not well separate water from unreacted hydrogen, and the water blockage phenomenon of a galvanic pile can be caused by excessive water in the hydrogen circulation system, so that the power is reduced. In addition, the running working condition of the automobile is very complex, and the temperature change of the running environment is also very large and can be from minus 50 ℃ to plus 50 ℃. In a low-temperature state of a vehicle, how to ensure that water in a hydrogen circulation system is not frozen when a fuel cell system is started at a low temperature and runs at a low temperature and the water can be discharged in time. This is one of the problems that is currently being addressed. The gas-water separation device described in patent CN104241667A utilizes a filter screen to divide the interior of the cavity into a vortex chamber and a collection chamber, the unreacted hydrogen and water enter the vortex chamber, and the water vapor condenses on the filter screen and drops to the collection chamber to be discharged. The method can achieve the purpose of certain gas-water separation. However, in a low temperature state, water on the filter screen and the water outlet in the gas-water separation device is easy to freeze, so that blockage is caused, and system risks are brought.
In summary, in the prior art, the hydrogen circulation system cannot well separate water from unreacted hydrogen, and the water blockage of the electric pile due to excessive water in the hydrogen circulation system may result in power reduction.
In addition, at low-temperature start-up and low-temperature operation, water from a reactor in a hydrogen circulation system must be prevented from being frozen, and risk and irreversible damage are brought to system operation. Most of the existing solutions are to heat a hydrogen circulating pump in a hydrogen circulating system, so that the method greatly increases the extra power consumption of the whole system and reduces the energy utilization rate of the system.
The invention content is as follows:
the utility model aims at providing a take water vapor separator's hydrogen circulating pump subassembly and fuel cell who uses solves current hydrogen circulating system and can not separate water and the complete hydrogen of unreacted well, has excessive water among the hydrogen circulating system to lead to the galvanic pile to produce the water blocking phenomenon, leads to the technical problem of power decline.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a take water separator's hydrogen circulating pump subassembly, includes the hydrogen circulating pump, its characterized in that: the hydrogen-water separator further comprises a water-steam separating device, the water-steam separating device comprises an air inlet, an air outlet and a water outlet, the air outlet is connected with an air inlet of the hydrogen circulating pump, the mixed gas with hydrogen entering from the air inlet is treated by the water-steam separating device and then separated water is discharged from the water outlet, and the separated hydrogen enters the hydrogen circulating pump and is pressurized and then discharged.
The water outlet is connected with a drain valve.
The steam and water separation device comprises a shell, a cavity is arranged in the shell and comprises a gas storage cavity and a water collecting cavity, the water collecting cavity is located at the bottom of the gas storage cavity and communicated with the gas storage cavity, an air inlet and the gas storage cavity are communicated, a water outlet and the water collecting cavity are communicated, a cooling liquid inlet and a cooling liquid outlet are further formed in the shell, a liquid storage cavity is arranged at the bottom of the shell and located at the bottom of the gas storage cavity, the liquid storage cavity is communicated with the cooling liquid inlet and the cooling liquid outlet, and the water collecting cavity is located on one side of the liquid storage.
And a water collecting inclined plane is arranged between the air storage cavity and the water collecting cavity.
The temperature sensor is mounted on the shell, the second mounting hole is formed in the shell, and the temperature sensor is mounted on the second mounting hole and extends into the gas storage cavity.
The top of the liquid storage cavity is provided with a plurality of first fins, and the inner wall surface of the gas storage cavity is provided with a plurality of second fins.
The hydrogen circulating pump comprises a motor, a wind wheel and a pump shell, a pump cavity is arranged in the pump shell, the wind wheel is installed in the pump cavity, the motor drives the wind wheel to rotate, an air inlet and an air outlet are formed in the pump shell, the pump cavity is communicated with the air inlet and the air outlet, an air outlet connecting portion is installed at the air outlet, a water-vapor separating device is installed at the air inlet, and an air outlet and an air inlet of the water-vapor separating device are communicated.
The pump shell is provided with a first mounting platform, the first mounting platform is provided with a third mounting hole, the shell is provided with a plurality of first mounting holes corresponding to the third mounting hole, and the shell is locked on the pump shell by passing screws through the first mounting holes and the third mounting holes.
The water outlet is provided with a fourth mounting hole, and the drain valve is mounted on the fourth mounting hole and extends into the water outlet.
A fuel cell comprises a fuel cell controller, a hydrogen supply system, an electromagnetic valve A, a proportional pressure regulating valve, a galvanic pile module, an air intake system, a cooling water system, a pressure release valve and a hydrogen circulating pump assembly, wherein the hydrogen circulating pump assembly is the hydrogen circulating pump assembly, hydrogen in the hydrogen supply system enters the galvanic pile module through the electromagnetic valve A and the proportional regulating valve, the hydrogen and oxygen entering from the air intake system react in the galvanic pile module to generate electric energy and a small amount of water, the hydrogen and the small amount of water which do not participate in the reaction are discharged from a hydrogen outlet of the galvanic pile module and then enter the hydrogen circulating pump assembly, the hydrogen and the water are separated in a water-vapor separation device, the separated water is discharged from a tail discharge port, and the hydrogen is pressurized by the hydrogen circulating pump and then flows back to the galvanic pile module to continue to participate in the reaction.
It still includes battery valve B, and hydrogen circulating pump subassembly includes water vapor separator, and water vapor separator includes the casing, and coolant liquid entry and coolant liquid export on the casing, the bottom of casing are equipped with the stock solution chamber, and the opening in stock solution chamber is equipped with the apron closing cap, stock solution chamber and coolant liquid entry and coolant liquid export intercommunication, and the coolant liquid that the coolant water among the cooling water system got into water vapor separator through solenoid valve B enters into the stock solution chamber in the coolant liquid entry, flows back to cooling water system from the coolant liquid export again.
Compared with the prior art, the utility model, following effect has:
1) the utility model discloses an including the hydrogen circulating pump, it still includes steam separator, steam separator includes the air inlet, gas vent and outlet, the gas vent is connected with the income gas port of hydrogen circulating pump, the water of separating out after steam separator handles from the mixed gas of the area hydrogen that the air inlet got into is discharged by the outlet, the hydrogen of separating out enters into and pressurizes the back and discharges again in the hydrogen circulating pump, can separate water and the complete hydrogen of unreacted well, effectively prevent that there is excessive water to lead to the galvanic pile to produce the water blocking phenomenon in the circulation system, guarantee entire system's efficiency, energy saving, and the cost is reduced.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a schematic diagram of a first embodiment of the present invention;
fig. 2 is a perspective view of a first embodiment of the present invention;
fig. 3 is another perspective view of the first embodiment of the present invention;
fig. 4 is a partially exploded view of a first embodiment of the present invention;
fig. 5 is another angle partially exploded view of the first embodiment of the present invention;
fig. 6 is a perspective view of a water-steam separating device according to an embodiment of the present invention;
fig. 7 is another perspective view of the water-steam separating device according to the first embodiment of the present invention;
fig. 8 is an exploded view of a water-vapor separator according to an embodiment of the present invention;
fig. 9 is a schematic partial structure diagram of a water-steam separating device according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view of a water-vapor separation device according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 10, the present embodiment provides a hydrogen circulation pump assembly with a water-steam separation device, which includes a hydrogen circulation pump 100, and is characterized in that: it still includes steam separator 2, steam separator 2 includes air inlet 22, gas vent 200 and outlet 23, gas vent 200 is connected with hydrogen circulating pump 100's income gas port 11, the water of separating out after steam separator 2 handles from the mixed gas of air inlet 22 entering takes hydrogen is discharged by outlet 23, the hydrogen of separating out enters into hydrogen circulating pump 100 and discharges after the pressurization, can separate water and the hydrogen that does not react completely well, effectively prevent that there is excessive water among the circulation system to lead to the galvanic pile to produce the water blocking phenomenon, guarantee entire system's efficiency, energy is saved, and cost is reduced.
The drain port 23 is connected to a drain valve 231, and the timing of opening and draining of the drain valve is controlled by a fuel cell controller.
The water-vapor separation device 2 comprises a shell 21, a cavity 20 is arranged in the shell 21, the cavity 20 comprises a gas storage cavity 201 and a water collection cavity 202, the water collection cavity 202 is positioned at the bottom of the gas storage cavity 201 and is communicated with the gas storage cavity 201, an air inlet 22 is communicated with the gas storage cavity 201, a water outlet 23 is communicated with the water collection cavity 202, the shell 21 is also provided with a cooling liquid inlet 211 and a cooling liquid outlet 212, the bottom of the shell 21 is provided with a liquid storage cavity 210, the liquid storage cavity 210 is positioned at the bottom of the gas storage cavity 201, an opening 2100 of the liquid storage cavity 210 is provided with a cover plate 214 for sealing, the liquid storage cavity 210 is communicated with the cooling liquid inlet 211 and the cooling liquid outlet 212, the water collection cavity 202 is positioned at one side of the liquid storage cavity 210, high-temperature cooling liquid is introduced into the liquid storage cavity 210 of the water-vapor separation device 2 from a cooling water system in a fuel cell, the temperature of the hydrogen and a small amount of water which do not participate in the reaction enter the water-vapor separation device 2 in the gas storage cavity 201, the water vapor is condensed in the gas storage cavity 201, and the water vapor is condensed into water drops which are collected in the water collecting cavity 202 at the bottom and discharged from the water outlet 23.
A water collecting inclined plane 203 is arranged between the air storage cavity 201 and the water collecting cavity 202, and water drops can be conveniently dripped and collected to the water collecting cavity 202.
The shell 21 is provided with the temperature sensor 215, the shell 21 is provided with the second mounting hole 216, and the temperature sensor 215 is mounted on the second mounting hole 216 and extends into the gas storage cavity 201, so that the temperature sensor 215 can sense the temperature of the recovered gas conveniently.
Be equipped with a plurality of first fins 213 on the top of stock solution chamber 210, improve the efficiency of heat exchange, be equipped with a plurality of second fins 2010 on the inner wall face of gas storage chamber 201, do benefit to the steam condensation and become the drop of water and drop downwards to catchment chamber 202.
The pump shell 1 is provided with the first mounting platform 130, the first mounting platform 130 is provided with the third mounting hole 131, the shell 21 is provided with the first mounting holes 217 corresponding to the third mounting hole 131, the shell 21 is locked on the pump shell 1 through the screws penetrating through the first mounting holes 217 and the third mounting hole 131, the mounting structure is simple, and the structure is compact.
The water outlet 23 is provided with a fourth mounting hole 230, and the water discharge valve 231 is mounted on the fourth mounting hole 230 and extends into the water outlet 23, so that the mounting structure is simple.
Example two:
as shown in fig. 11, a fuel cell includes a fuel cell controller, a hydrogen supply system, an electromagnetic valve a, a proportional pressure regulating valve, a stack module, an air intake system, a cooling water system, a pressure release valve, and a hydrogen recirculation pump assembly, and is characterized in that: the hydrogen circulating pump assembly is any one of the hydrogen circulating pump assemblies described in the first embodiment, hydrogen in the hydrogen supply system enters the pile module through the electromagnetic valve a and the proportional control valve, the hydrogen and oxygen entering from the air inlet system react in the pile module to generate electric energy and a small amount of water, the unreacted hydrogen and a small amount of water are discharged from a hydrogen outlet of the pile module and then enter the hydrogen circulating pump assembly, the hydrogen and the water are separated in the water-vapor separation device, the separated water is discharged from a tail discharge port, and the hydrogen is pressurized by the hydrogen circulating pump 100 and then flows back to the pile module to continuously participate in the reaction.
The hydrogen circulating pump assembly comprises a water-vapor separation device 2, the water-vapor separation device 2 comprises a shell 21, a cooling liquid inlet 211 and a cooling liquid outlet 212 are arranged on the shell 21, a liquid storage cavity 210 is arranged at the bottom of the shell 21, a cover plate 214 is arranged at an opening 2100 of the liquid storage cavity 210, the liquid storage cavity 210 is communicated with the cooling liquid inlet 211 and the cooling liquid outlet 212, cooling water in the cooling water system enters the cooling liquid inlet 211 in the water-vapor separation device through an electromagnetic valve B and enters the liquid storage cavity 210 and then flows back to the cooling water system from the cooling liquid outlet 212, the electromagnetic valve B is controlled to be opened and closed through a fuel cell control system according to a temperature value fed back by a temperature sensor 215 on the water-vapor separation device 2, when the fuel cell system is started at low temperature or operates at low temperature, and when the temperature sensor 215 detects that the temperature in the water-vapor separation device 2 is, the fuel cell controller controls the cell valve B to open, and high-temperature cooling liquid in the cooling water system 7 enters the water-vapor separation device 2 to heat the water-vapor separation device 2. When the temperature sensor 623 detects that the temperature inside the water-vapor separation device 2 is higher than the set value T2, the fuel cell controller controls the cell valve B8 to close so that the inside thereof is always kept at 0 ℃.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (11)
1. The utility model provides a take water vapor separator's hydrogen circulating pump subassembly, includes hydrogen circulating pump (100), its characterized in that: it still includes steam separator (2), steam separator (2) include air inlet (22), gas vent (200) and outlet (23), gas vent (200) are connected with income gas port (11) of hydrogen circulating pump (100), the water that the mist that takes hydrogen that gets into from air inlet (22) is handled the back and is separated through steam separator (2) is discharged by outlet (23), the hydrogen that separates enters into hydrogen circulating pump (100) and discharge after the pressurization.
2. The hydrogen circulation pump assembly with water-vapor separation device according to claim 1, wherein: the water outlet (23) is connected with a water discharge valve (231).
3. The hydrogen circulation pump assembly with water-vapor separation device according to claim 1 or 2, wherein: steam separator (2) includes casing (21), be equipped with a cavity (20) in casing (21), cavity (20) are including gas storage chamber (201) and water collection chamber (202), water collection chamber (202) are located the bottom of gas storage chamber (201) and communicate with gas storage chamber (201), air inlet (22) and gas storage chamber (201) intercommunication, outlet (23) and water collection chamber (202) intercommunication, still be equipped with coolant liquid entry (211) and coolant liquid outlet (212) on casing (21), the bottom of casing (21) is equipped with stock solution chamber (210), stock solution chamber (210) are located the bottom of gas storage chamber (201), stock solution chamber (210) and coolant liquid entry (211) and coolant liquid outlet (212) intercommunication, water collection chamber (202) are located stock solution chamber (210) one side.
4. The hydrogen circulation pump assembly with water-vapor separation device according to claim 3, wherein: a water collecting inclined plane (203) is arranged between the air storage cavity (201) and the water collecting cavity (202).
5. The hydrogen circulation pump assembly with water-vapor separation device according to claim 4, wherein: a temperature sensor (215) is installed on the shell (21), a second installation hole (216) is formed in the shell (21), and the temperature sensor (215) is installed on the second installation hole (216) and extends into the air storage cavity (201).
6. The hydrogen circulation pump assembly with water-vapor separation device according to claim 5, wherein: a plurality of first fins (213) are arranged on the top of the liquid storage cavity (210), and a plurality of second fins (2010) are arranged on the inner wall surface of the gas storage cavity (201).
7. The hydrogen circulation pump assembly with water-vapor separation device according to claim 6, wherein: hydrogen circulating pump (100) includes the motor, wind wheel and pump case (1), set up the pump chamber inside pump case (1), the wind wheel is installed in the pump chamber, the motor drive wind wheel rotates, be equipped with into gas port (11) and gas outlet (12) on pump case (1), the pump chamber communicates with income gas port (11) and gas outlet (12), gas outlet (12) department installs connecting portion (120) of giving vent to anger, water vapor separation device (2) are installed in income gas port (11) department, gas vent (200) and income gas port (11) of water vapor separation device (2) are the intercommunication.
8. The hydrogen circulation pump assembly with water-vapor separation device according to claim 7, wherein: be equipped with first mounting platform (130) on pump case (1), be equipped with third mounting hole (131) on first mounting platform (130), be equipped with a plurality of first mounting holes (217) that correspond with third mounting hole (131) on casing (21), pass first mounting hole (217) and third mounting hole (131) through the screw and lock casing (21) on pump case (1).
9. The hydrogen circulation pump assembly with water-vapor separation device according to claim 2, wherein: a fourth mounting hole (230) is formed in the position of the water outlet (23), and a drain valve (231) is mounted on the fourth mounting hole (230) and extends into the water outlet (23).
10. The utility model provides a fuel cell, includes fuel cell controller, hydrogen supply system, solenoid valve A, proportion air-vent valve, galvanic pile module, air intake system, cooling water system, relief valve and hydrogen cycle pump subassembly, its characterized in that: the hydrogen circulating pump assembly is a hydrogen circulating pump assembly as claimed in any one of the claims 1 to 9, hydrogen in the hydrogen supply system enters the pile module through the electromagnetic valve a and the proportional regulating valve, the hydrogen and oxygen entering from the air inlet system react in the pile module to generate electric energy and a small amount of water, the hydrogen and the small amount of water which do not participate in the reaction are discharged from a hydrogen outlet of the pile module and then enter the hydrogen circulating pump assembly, the hydrogen and the water are separated in the water-vapor separation device, the separated water is discharged from a tail discharge port, and the hydrogen is pressurized by the hydrogen circulating pump (100) and then flows back to the pile module to participate in the reaction continuously.
11. A fuel cell according to claim 10, wherein: it still includes battery valve B, hydrogen circulating pump subassembly includes steam separator (2), steam separator (2) are including casing (21), coolant liquid entry (211) and coolant liquid export (212) are gone up in casing (21), the bottom of casing (21) is equipped with stock solution chamber (210), opening (2100) in stock solution chamber (210) are equipped with apron (214) closing cap, stock solution chamber (210) and coolant liquid entry (211) and coolant liquid export (212) intercommunication, coolant water among the cooling water system enters into in stock solution chamber (210) through coolant liquid entry (211) that solenoid valve B got into among the steam separator, again from coolant liquid export (212) backward flow cooling water system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314872.6U CN211907590U (en) | 2020-03-14 | 2020-03-14 | Hydrogen circulating pump assembly with water-vapor separation device and fuel cell with hydrogen circulating pump assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020314872.6U CN211907590U (en) | 2020-03-14 | 2020-03-14 | Hydrogen circulating pump assembly with water-vapor separation device and fuel cell with hydrogen circulating pump assembly |
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| CN211907590U true CN211907590U (en) | 2020-11-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452724A (en) * | 2022-04-11 | 2022-05-10 | 中山大洋电机股份有限公司 | Steam-water separator and fuel cell system thereof |
| CN116006484A (en) * | 2023-01-10 | 2023-04-25 | 北京伯肯节能科技股份有限公司 | Anti-icing and anti-blocking protection system of centrifugal hydrogen circulating pump |
-
2020
- 2020-03-14 CN CN202020314872.6U patent/CN211907590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452724A (en) * | 2022-04-11 | 2022-05-10 | 中山大洋电机股份有限公司 | Steam-water separator and fuel cell system thereof |
| CN116006484A (en) * | 2023-01-10 | 2023-04-25 | 北京伯肯节能科技股份有限公司 | Anti-icing and anti-blocking protection system of centrifugal hydrogen circulating pump |
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Effective date of registration: 20220915 Address after: 5th Floor, Office Building, No. 1 Guangfeng Industrial Avenue, West District, Zhongshan City, Guangdong Province, 528400 Patentee after: Dayang electric fuel cell technology (Zhongshan) Co.,Ltd. Address before: 528400 Guangdong province Zhongshan City West sirlon third industrial zone Patentee before: ZHONGSHAN BROAD-OCEAN MOTOR Co.,Ltd. |