CN113559620A - Fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water - Google Patents
Fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water Download PDFInfo
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- CN113559620A CN113559620A CN202110696559.2A CN202110696559A CN113559620A CN 113559620 A CN113559620 A CN 113559620A CN 202110696559 A CN202110696559 A CN 202110696559A CN 113559620 A CN113559620 A CN 113559620A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water, which comprises a shell with a hollow structure, wherein a hydrogen inlet, a hydrogen outlet and a water outlet are arranged on the shell, a water draining pipe is connected below the water outlet, a water draining valve is arranged above the water draining pipe, five baffles are arranged in the shell, and the baffles are used for blocking water vapor in hydrogen entering the shell from the hydrogen outlet and solidifying the water vapor into liquid water, so that the water vapor in the hydrogen is separated. The invention has the beneficial effects that: the baffle in the shell of the separator can separate water vapor and hydrogen entering the shell to form liquid water which is accumulated at the bottom of the shell, and the drain pipe can discharge the liquid water in time when the water level of the liquid water in the shell is too high, so that the failure of the separator is prevented; meanwhile, the upper part of the shell of the separator is provided with an exhaust pipe and an exhaust valve, and the exhaust valve is opened periodically, so that the concentration of nitrogen in hydrogen discharged by the separator can be reduced.
Description
Technical Field
The invention relates to the field of fuel cell hydrogen energy automobiles, in particular to a fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water.
Background
The operating principle of the (fuel cell) hydrogen energy automobile leads hydrogen in a hydrogen storage device of the hydrogen energy automobile into a galvanic pile of the fuel cell of the hydrogen energy automobile, and then the hydrogen reacts with oxygen in the air to generate electric energy so as to drive the automobile to run. In the fuel cell stack, excessive hydrogen is introduced when hydrogen and oxygen react, a large amount of water vapor is brought out for the completely reacted hydrogen, and in order to improve the utilization rate of the hydrogen, the residual hydrogen after the reaction needs to pass through a steam-water separator to remove the water vapor therein, and then is conveyed back to the stack through a circulating device to continue the reaction; meanwhile, as the reaction of the fuel cell proceeds, the concentration of nitrogen mixed in the hydrogen pipeline is higher and higher due to the entering of external nitrogen, and the hydrogen pipeline needs to be evacuated periodically. The existing separator cannot discharge water in the separator in time and cannot discharge hydrogen in the separator regularly, so that the hydrogen discharged from the separator can contain more water and nitrogen, and the efficiency of a fuel cell of a hydrogen energy automobile is reduced.
Disclosure of Invention
In order to enable a separator of a hydrogen energy automobile to discharge liquid water gathered in the separator in time and enable the separator to discharge hydrogen in the separator regularly so as to enable the automobile to run efficiently, the invention provides a fuel cell hydrogen energy automobile steam-water separator capable of automatically discharging water and gas, which comprises a shell with a hollow structure, wherein a hydrogen inlet, a hydrogen outlet and a water outlet are arranged on the shell, the hydrogen outlet is positioned at the top of the shell, the water outlet is positioned at the bottom of the shell, a water discharge pipe is connected below the water outlet, a water discharge valve is arranged above the water discharge pipe and used for controlling the water discharge pipe to be opened and closed, five baffles are arranged in the shell, the five baffles are respectively a first baffle, a second baffle, a third baffle, a fourth baffle and a fifth baffle, the second baffle, the third baffle, the fourth baffle and the fifth baffle are all obliquely arranged, and the second baffle, the third baffle, the fourth baffle and the fifth baffle are sequentially and gradually far away from the hydrogen inlet, and the second, third, fourth and fifth baffle are not connected with each other to leave the clearance that supplies hydrogen to pass through between each baffle, first baffle is located the below of second, third, fourth and fifth baffle, and all baffles are all used for blockking the steam in the hydrogen that gets into the inside casing from the hydrogen export to make it solidify into liquid water, thereby separate the steam in the hydrogen.
Further, still be equipped with an exhaust port on the casing, the exhaust port below is equipped with an exhaust pipe.
Furthermore, an exhaust valve is arranged above the exhaust pipe and connected with a control system of the hydrogen energy automobile.
Further, a liquid level sensor is further arranged in the shell, the liquid level sensor and the drain valve are both connected with a hydrogen energy automobile control system, the liquid level sensor is used for sensing the liquid level height of liquid water in the shell and transmitting the sensed signal to the control system of the hydrogen energy automobile, and the control system controls the drain valve to be opened, so that the liquid water in the shell is emptied.
Further, a heater is arranged in the shell and used for preventing liquid water in the shell from freezing.
Further, the shell is preferably of a regular polygonal structure, the shell comprises a front side plate, a rear side plate and a side enclosing plate for connecting the front side plate and the rear side plate, and the hydrogen inlet is located on the front side plate of the shell.
Further, the hydrogen inlet is located on the edge of the front side plate of the shell, and the hydrogen inlet is far away from the hydrogen outlet.
The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water has the beneficial effects that: the separator is characterized in that a liquid level sensor and a plurality of baffle plates are arranged in a shell of the separator, the baffle plates can separate water vapor and hydrogen entering the shell to form liquid water, the liquid water is accumulated to the bottom of the shell, the liquid level sensor can detect the liquid level height to judge the separated water amount, and when the water amount reaches a certain amount, the liquid level sensor can empty the water by opening a drain valve; meanwhile, the upper part of the shell of the separator is provided with an exhaust pipe and an exhaust valve, and the exhaust valve is opened periodically, so that the concentration of nitrogen in hydrogen discharged by the separator can be reduced.
Drawings
Fig. 1 is an external structural view of a fuel cell hydrogen energy automobile steam-water separator capable of automatically discharging water and gas according to an embodiment of the present invention.
Fig. 2 is an internal structure view of a fuel cell hydrogen energy automobile steam-water separator capable of automatically discharging water and gas according to an embodiment of the invention.
In the figure: 1-shell, 11-hydrogen inlet, 12-hydrogen outlet, 13-water drain pipe, 14-water drain valve, 15-gas exhaust pipe, 16-gas exhaust valve, 2-first baffle, 21-second baffle, 22-third baffle, 23-fourth baffle, 25-fifth baffle and 3-liquid level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, a fuel cell hydrogen energy automobile steam-water separator capable of automatically discharging water and gas includes: the shell body 1 is of a hollow structure, the shell body 1 is provided with a hydrogen inlet 11, a hydrogen outlet 12, an exhaust port and an exhaust port, the shell body 1 is preferably of a regular polygonal body structure, the shell body 1 comprises a front side plate, a rear side plate and a side wall plate connected with the front side plate and the rear side plate, the hydrogen inlet 11 is positioned on the front side plate of the shell body 1, the hydrogen outlet 12 is positioned at the top of the shell body 1, the exhaust port is positioned at the bottom of the shell body 1, the exhaust port is positioned at the upper end of a side wall plate of the shell body 1, the hydrogen inlet 11 is positioned at the edge part of one side of the shell body 1, the hydrogen outlet 12, the exhaust port and the exhaust port are positioned on the shell body 1 and are far away from the other side of the hydrogen inlet 11, the exhaust pipe 13 is connected on the exhaust port, a drain valve 14 is arranged above the drain pipe 13, the exhaust port is connected with an exhaust pipe 15, and a drain valve 16 is arranged on the exhaust pipe 15, the exhaust valve 16 and the drain valve 14 are both solenoid valves, the exhaust valve 16 is used for controlling the opening and closing of the exhaust pipe 15, and the drain valve 14 is used for controlling the opening and closing of the drain pipe 13.
A plurality of baffles are arranged in the shell 1, all the baffles are fixedly connected to the front side plate and the rear side plate, in the embodiment, the number of the baffles is five, the five baffles are respectively a first baffle, a second baffle, a third baffle, a fourth baffle and a fifth baffle, wherein the second baffle, the third baffle, the fourth baffle and the fifth baffle are obliquely arranged, the second baffle, the third baffle, the fourth baffle and the fifth baffle are sequentially and gradually far away from the hydrogen inlet 11, the second baffle, the third baffle, the fourth baffle and the fifth baffle are not connected with each other, so that gaps for hydrogen to pass through are reserved among the baffles, the first baffle 2 is positioned below the hydrogen inlet 11, meanwhile, the first baffle 2 is positioned below the second baffle, the third baffle, the fourth baffle and the fifth baffle, all the baffles are used for blocking water vapor in the hydrogen entering the shell 1 from the hydrogen outlet 12, so that the water vapor in the hydrogen is solidified into liquid water, thereby separating the water vapor in the hydrogen, and the separated liquid water flows into the bottom of the shell 1, the hydrogen gas with the water vapor separated out is discharged from the hydrogen outlet 12, the drain pipe 13 is used for discharging liquid water in the shell 1, the exhaust valve 16 is connected with a control system of the hydrogen energy automobile, the exhaust valve 16 is opened periodically under the control of the control system of the hydrogen energy automobile to discharge the hydrogen gas in the shell 1, and therefore the nitrogen concentration in the hydrogen gas discharged from the hydrogen outlet 12 is reduced.
Further, still be equipped with a level sensor 3 in the casing 1, level sensor 3 and drain valve 14 all link to each other with hydrogen energy automobile control system, level sensor 3 is used for the liquid level height of the liquid water in the sensing casing 1 to signal transmission to hydrogen energy automobile control system that will sense, when the liquid level height of the liquid water in the casing 1 surpassed predetermined height, hydrogen energy automobile control system control drain valve 14 opens, empties the liquid water in the casing 1.
Further, a heater (not shown in the figure) is further arranged in the shell 1 and is also connected with the hydrogen energy automobile control system, when the hydrogen energy automobile control system senses that the outside temperature is lower than 0 ℃, the heater is controlled to be started, and the separator is prevented from being blocked due to low-temperature icing of liquid water in the shell 1.
The working principle of the fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water can be as follows: high-humidity hydrogen discharged from a hydrogen energy automobile stack enters the shell 1 from the hydrogen inlet 11 at a high flow rate, and due to the blocking of the first baffle 2, the hydrogen can generate vortex, so that small droplets of water in the hydrogen are condensed and enlarged under the action of centrifugal force and finally flow into the bottom of the shell 1 at the bottom under the action of gravity; then, the hydrogen gas passes through the second baffle 21 and the third baffle 22, and changes the flow direction under the blocking of the second baffle 21 and the third baffle 22, and meanwhile, as the inner cavity in the shell 1 is gradually enlarged, the flow rate of the hydrogen gas is further reduced, so that small droplets of residual water in the hydrogen gas are gradually condensed and enlarged, and further settle under the action of gravity and flow into the bottom of the shell 1 along the second baffle 21, the third baffle 22 and the inner wall surface of the shell 1; finally, the hydrogen gas is guided by the fourth baffle plate 23 and the fifth baffle plate 24, the gas flow becomes gentle, and the gas flow is finally discharged from the hydrogen gas outlet 12;
when the liquid water accumulated at the bottom of the shell 1 reaches a certain amount, the liquid level sensor 3 can detect and feed back a signal to the hydrogen energy automobile control system, and the hydrogen energy automobile control system controls the drain valve 14 to be opened to drain the water in the shell 1; meanwhile, along with the reaction in the galvanic pile, the nitrogen in the air enters a hydrogen pipeline along with the hydrogen exhausted from the galvanic pile of the hydrogen energy automobile, and the hydrogen energy automobile control system controls the exhaust valve 16 to be opened periodically to exhaust the hydrogen in the shell 1 so as to reduce the concentration of the nitrogen carried in the hydrogen in the shell 1. The liquid water in the shell 1 can be splashed when the hydrogen energy automobile runs, and the first baffle 2 can block the splashed water to prevent the water from being sucked again by the hydrogen gas flow.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a fuel cell hydrogen can car catch water that ability automatic drainage, carminative which characterized in that: the hydrogen storage device comprises a shell with a hollow structure, wherein a hydrogen inlet, a hydrogen outlet and a water outlet are arranged on the shell, the hydrogen outlet is positioned at the top of the shell, the water outlet is positioned at the bottom of the shell, a water discharge pipe is connected below the water outlet, a water discharge valve is arranged above the water discharge pipe and used for controlling the opening and closing of the water discharge pipe, five baffles are arranged in the shell and are respectively a first baffle, a second baffle, a third baffle, a fourth baffle and a fifth baffle, wherein the second baffle, the third baffle, the fourth baffle and the fifth baffle are obliquely arranged, the second baffle, the third baffle, the fourth baffle and the fifth baffle are sequentially and gradually away from the hydrogen inlet, the second baffle, the third baffle, the fourth baffle and the fifth baffle are not connected with each other, so that gaps for hydrogen to pass are reserved among the baffles, and the first baffle is positioned below the second baffle, the third baffle, the fourth baffle and the fifth baffle, all the baffles are used for blocking water vapor in the hydrogen gas entering the shell from the hydrogen outlet and solidifying the water vapor into liquid water, so that the water vapor in the hydrogen gas is separated.
2. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 1, characterized in that: still be equipped with an exhaust port on the casing, the exhaust port below is equipped with an exhaust pipe.
3. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 2, characterized in that: an exhaust valve is arranged above the exhaust pipe and connected with a control system of the hydrogen energy automobile.
4. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 1, characterized in that: the hydrogen energy automobile water level sensor is characterized in that a liquid level sensor is further arranged in the shell, the liquid level sensor and the drain valve are connected with a hydrogen energy automobile control system, the liquid level sensor is used for sensing the liquid level height of liquid water in the shell and transmitting the sensed signal to the control system of the hydrogen energy automobile, and the control system controls the drain valve to be opened, so that the liquid water in the shell is drained.
5. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 1, characterized in that: the shell is also internally provided with a heater which is used for preventing liquid water in the shell from freezing.
6. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 1, characterized in that: the shell is preferably of a regular polygonal structure, the shell comprises a front side plate, a rear side plate and a side enclosing plate connected with the front side plate and the rear side plate, and the hydrogen inlet is located in the front side plate of the shell.
7. The fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water according to claim 6, characterized in that: the hydrogen inlet is located on the edge of the front side plate of the shell, and the hydrogen inlet is far away from the hydrogen outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696559.2A CN113559620A (en) | 2021-06-23 | 2021-06-23 | Fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696559.2A CN113559620A (en) | 2021-06-23 | 2021-06-23 | Fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water |
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| Publication Number | Publication Date |
|---|---|
| CN113559620A true CN113559620A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110696559.2A Pending CN113559620A (en) | 2021-06-23 | 2021-06-23 | Fuel cell hydrogen energy automobile steam-water separator capable of automatically draining and exhausting water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300711A (en) * | 2021-12-20 | 2022-04-08 | 中能国氢(天津)新能源科技开发有限公司 | Water-steam separator for marine fuel cell |
| CN116845293A (en) * | 2023-08-30 | 2023-10-03 | 北京英博新能源有限公司 | Hydrogen discharging valve control system for fuel cell |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300711A (en) * | 2021-12-20 | 2022-04-08 | 中能国氢(天津)新能源科技开发有限公司 | Water-steam separator for marine fuel cell |
| CN116845293A (en) * | 2023-08-30 | 2023-10-03 | 北京英博新能源有限公司 | Hydrogen discharging valve control system for fuel cell |
| CN116845293B (en) * | 2023-08-30 | 2023-12-01 | 北京英博新能源有限公司 | Hydrogen discharging valve control system for fuel cell |
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Application publication date: 20211029 |
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