CN216720001U

CN216720001U - Integrated fuel cell

Info

Publication number: CN216720001U
Application number: CN202123140384.1U
Authority: CN
Inventors: 刘庆; 乔慧琳; 成广行; 肖建军; 岳贺平; 陈亚薇
Original assignee: Zhengzhou Foguang Power Generation Equipment Co Ltd
Current assignee: Zhengzhou Foguang Power Generation Equipment Co Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-10
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an integrated fuel cell, which comprises a shell, a fuel cell pack, a blower and a gas processing device, wherein the fuel cell pack comprises a plurality of fuel cell monomers which are connected in series, and the plurality of fuel cell monomers are fixed in the shell side by side; the air blowing device is communicated with the shell through an air duct, and an air blowing port is arranged on the air duct and is used for enabling air blown by the air blowing device to flow through the fuel cell stack from bottom to top; the gas treatment device is fixed in the shell and positioned above the fuel cell stack, and comprises a toxic gas treatment device and a dehydrogenation device which are communicated; the top of casing is equipped with first air outlet. The utility model can blow air to the fuel cell group from bottom to top, has good heat dissipation effect, improves the working efficiency and prolongs the service life of the fuel cell; and set up gas processing apparatus on the air-out route, detach toxic gas and hydrogen when the heat dissipation, prevent in the fuel cell casing during operation because of hydrogen produces the explosion, the environmental protection simultaneously.

Description

Integrated fuel cell

Technical Field

The present invention relates to the field of fuel cell technology, and more particularly, to an integrated fuel cell.

Background

The metal fuel cell is a new type of cell with metal and air as cell material. It is a pollution-free, long-acting, stable and reliable power supply, and is a battery which is very friendly to the environment. The metal fuel cell has great adaptability, can be used as a power cell and a signal cell with long service life and high specific energy, is a very powerful cell and has wide application prospect.

The metal fuel cell generates electricity by utilizing the chemical reaction of the metal anode and the air cathode, a large amount of heat and a small amount of toxic gas are emitted in the reaction, the heat generated by the reaction needs to be taken away in time, and harmful gas is treated, so that the chemical reaction can be ensured within a proper temperature range, the generating efficiency is improved, and no pollution to the environment is ensured.

The metal fuel cell can produce a large amount of heat at the during operation, and current metal battery group more adopts whole heat dissipation, and the radiating effect is poor, has reduced fuel cell's work efficiency and life, and current metal fuel cell lacks gas treatment device, and the trace that metal fuel cell reaction produced has toxic gas to lead to the fact the influence to the environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of poor heat dissipation effect, lack of toxic gas treatment and the like of the existing metal fuel cell, the utility model innovatively provides an integrated fuel cell, wherein a gas treatment device is arranged in a shell, so that hydrogen and toxic gas generated during the operation of the fuel cell can be timely treated while heat is dissipated, the working efficiency and the service life of the fuel cell are improved, and the environment is protected.

In order to achieve the above technical object, the present invention discloses an integrated fuel cell including a case, a fuel cell stack, a blower device and a gas treatment device,

the fuel cell stack comprises a plurality of fuel cell units which are connected in series, and the plurality of fuel cell units are fixed in the shell side by side;

the air blowing device is communicated with the shell through an air guide pipe, and an air blowing port is arranged on the air guide pipe and is used for enabling air blown by the air blowing device to flow through the fuel cell stack from bottom to top;

the gas treatment device is fixed in the shell and positioned above the fuel cell stack, and comprises a toxic gas treatment device and a dehydrogenation device which are communicated;

the top of casing is equipped with first air outlet.

Further, the air blowing openings comprise a first air blowing opening and a second air blowing opening, the first air blowing opening and the second air blowing opening are vertically upward or obliquely upward, the first air blowing opening is located below the fuel battery monomer, and the second air blowing opening is located between the adjacent fuel battery monomers.

Further, the first air blowing opening is a round hole, and the second air blowing opening is a nozzle type hole.

Furthermore, a bottom support is fixed at the bottom of the fuel cell, a top support is fixed at the top of the fuel cell, a second air outlet which is horizontally arranged is formed in the bottom support, the axial direction of the second air outlet is perpendicular to the length direction of the fuel cell, a first air inlet and a third air outlet which are horizontally arranged are formed in the top support, the axial direction of the first air inlet is perpendicular to the length direction of the fuel cell, and the axial direction of the third air outlet is parallel to the length direction of the fuel cell.

Furthermore, a second air inlet is formed in the wall, corresponding to the gas processing device, of the shell, and the second air inlet is communicated with the third air outlet.

Further, the casing includes casing, lower casing and middle casing, go up the casing with lower casing respectively with middle casing can dismantle the connection, the bottom support is fixed it is internal under the inferior valve, fuel cell monomer and top support are fixed in the middle casing, gas treatment device fixes in the upper casing.

Furthermore, the number of the air guide pipes is multiple, and the air guide pipes are arranged along the length direction of the fuel cell monomer.

Further, the fuel cell stack is electrically connected to the air blowing device.

Further, an air outlet of the toxic gas treatment device is connected with an air inlet of the dehydrogenation device through a pipeline, and a one-way valve is arranged on the pipeline.

The utility model has the beneficial effects that:

(1) the integrated fuel cell can blow air to the fuel cell group from bottom to top, has good heat dissipation effect, improves the working efficiency of the fuel cell and prolongs the service life of the fuel cell; and set up gas processing apparatus on the air-out route, detach toxic gas and hydrogen when the heat dissipation, handle the hydrogen that fuel cell group produced and a small amount of toxic gas, prevent that the fuel cell casing from producing the explosion because of hydrogen in the during operation, the environmental protection simultaneously.

(2) The first air blowing port and the second air blowing port of the utility model preferentially radiate the heat of the bottom of the fuel cell and blow air from bottom to top to radiate the heat of the fuel cell, thereby improving the working efficiency and the service life of the fuel cell.

(3) The arrangement of the air blowing openings, the air inlet and the air outlet plans the path of the air in the fuel cell, carries out all-dimensional heat dissipation on the fuel cell, has better heat dissipation effect, and effectively improves the working efficiency and the service life of the fuel cell.

Drawings

FIG. 1 is a schematic structural diagram of an integrated fuel cell of an embodiment of the present invention;

FIG. 2 is a longitudinal cross-sectional view of an integrated fuel cell of an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 2;

FIG. 5 is a schematic view of an embodiment of the present invention with the middle housing removed;

fig. 6 is a schematic structural view of the interior of the lower case according to the embodiment of the present invention.

In the figure, the position of the first and second end faces,

1. a housing; 11. an upper housing; 12. a lower housing; 13. a middle housing; 14. a first air outlet; 15. a second air inlet; 2. a fuel cell unit; 21. a bottom bracket; 22. a top support; 23. a second air outlet; 24. a first air inlet; 25. a third air outlet; 3. a blower device; 4. a gas processing device; 5. a gas-guide tube; 51. a first air blowing opening; 52. a second air blowing port; 6. and (7) supporting legs.

Detailed Description

The integrated fuel cell provided by the present invention will be explained and explained in detail with reference to the drawings attached to the specification.

The embodiment specifically discloses an integrated fuel cell, as shown in fig. 1 and 2, which comprises a housing 1, a fuel cell stack, a blower device 3 and a gas processing device 4, wherein the fuel cell stack comprises a plurality of fuel cell monomers 2 connected in series, the plurality of fuel cell monomers 2 are fixed in the housing 1 side by side, and the number of the fuel cell monomers 2 is set according to the voltage required to be reached; the fuel battery monomers 2 are spaced at a certain distance, so that heat dissipation is facilitated; the air blowing device 3 is communicated with the interior of the shell 1 through an air duct 5, and the air duct 5 is provided with an air blowing port on the wall in the shell, and the air blowing port is used for enabling air blown by the air blowing device 3 to flow through the fuel cell stack from bottom to top; the air blowing port is in a vertically upward or obliquely upward direction, so that air blown in from the air blowing device 3 flows from bottom to top and flows through the fuel cell stack to dissipate heat; the gas treatment device 4 is fixed in the shell 1 and positioned above the fuel cell stack, and comprises a toxic gas treatment device and a hydrogen elimination device which are communicated, wherein the toxic gas treatment device is used for treating toxic gas, and the hydrogen elimination device is used for removing hydrogen in the shell in time; the top of the housing 1 is provided with a first air outlet 14. The wind that the air-blast device 3 insufflates blows off upward motion's in-process from the mouth of blowing and passes through fuel cell monomer 2 and gas processing apparatus 4 in proper order, drives the hydrogen and the toxic gas that fuel cell monomer 2 reaction produced to the top, and the toxic gas is handled through the toxic gas device, the hydrogen is handled through the hydrogen elimination device after, and remaining other safety gas are discharged through first air outlet 14, prevent to explode because of hydrogen production in the casing 1, the environmental protection simultaneously.

In this embodiment, the poison gas processing apparatus is installed in the below of hydrogen elimination device, and the mist flows through the poison gas processing apparatus earlier and then flows through the hydrogen elimination device, and the gas outlet of poison gas processing apparatus passes through the pipe connection with the air inlet of hydrogen elimination device, is equipped with the check valve on the pipeline, and the mist is preferably handled through the poison gas processing apparatus and is gone away the poison gas, and the mist that gets rid of the poison gas flows through pipeline and check valve and carries out in the hydrogen elimination device, removes hydrogen, then discharges through first gas outlet. The one-way valve prevents the mixed gas from flowing back to the toxic gas treatment device and mixing with the toxic gas again.

As shown in fig. 2, a bottom bracket 21 is fixed to the bottom of the fuel cell 2, a top bracket 22 is fixed to the top of the fuel cell 2, both the bottom bracket 21 and the top bracket 22 are fixed in the housing 1, and the housing 1 may be an integrally formed closed structure or a detachable structure. In the present embodiment, as shown in fig. 1, the housing 1 includes an upper housing 11, a lower housing 12, and an intermediate housing 13, the upper housing 11 and the lower housing 12 are detachably connected to the intermediate housing 13, respectively, a bottom bracket 21 is fixed in the lower housing 12, a fuel cell unit 2 and a top bracket 22 are fixed in the intermediate housing 13, and a gas treatment device 4 is fixed in the upper housing 11. The shell 1 is detachable, and is convenient to detach and maintain. The provision of the bottom bracket 21 and the top bracket 22 facilitates heat dissipation of the fuel cell unit 2, providing a larger air flow space.

As shown in fig. 4, the air blowing ports include a first air blowing port 51 and a second air blowing port 52, the first air blowing port 51 and the second air blowing port 52 are vertically upward or obliquely upward, the inclined angle is preferably less than or equal to 60 ° from the vertical direction, and the directions of the first air blowing port 51 and the second air blowing port 52 are set to control the angle of air outlet, so that air flows from bottom to top to dissipate heat of the fuel cell stack. The first air blowing opening 51 is located below the fuel cell units 2 and is disposed in the bottom bracket 21, and the second air blowing opening 52 is located between adjacent fuel cell units 2, that is, between adjacent bottom brackets 21. In this embodiment, the first air blowing opening 51 is a circular hole, and the second air blowing opening 52 is a shower nozzle hole, and similarly to the shower nozzle structure, the second air blowing opening 52 blows out divergent air. The air blown out from the first air blowing opening 51 preferentially dissipates the heat of the bottom of the fuel cell 2, the divergent air blown out from the second air blowing opening 52 dissipates the heat of the side surface of the fuel cell 2, and the second air blowing opening 52 accelerates the air flow between the adjacent fuel cell 2 to accelerate the heat dissipation.

The number of the air ducts 5 is plural, and the plural air ducts 5 are arranged along the length direction of the fuel cell unit 2. Therefore, each row of the first air blowing openings 51 and each row of the second air blowing openings 52 are arranged along the length direction of the fuel cell single bodies 2, a row of the first air blowing openings 51 is arranged below each fuel cell single body 2, and a row of the second air blowing openings 52 is arranged between adjacent fuel cell single bodies 2.

The bottom support 21 is provided with a second air outlet 23 which is horizontally arranged, the axial direction of the second air outlet 23 is perpendicular to the length direction of the fuel cell monomer 2, the second air outlet 23 supplements the direction in which the first air blowing port 51 and the second air blowing port 52 cannot blow, the top support 22 is provided with a first air inlet 24 and a third air outlet 25 which are horizontally arranged, the axial direction of the first air inlet 24 is perpendicular to the length direction of the fuel cell monomer 2, and the axial direction of the third air outlet 25 is parallel to the length direction of the fuel cell monomer 2. Wind energy upwards flows into the first air inlet 24 through the first air blowing opening 51, the second air blowing opening 52 and the second air outlet 23, flows through the top of the single fuel cell 2 for heat dissipation and then flows out of the third air outlet 25, the first air blowing opening 51, the second air blowing opening 52, the second air outlet 23, the first air inlet 24 and the third air outlet 25 plan the flow path of the wind in the shell 1, and the single fuel cell 2 is subjected to 360-degree all-dimensional heat dissipation. The direction of wind flow is shown by the arrows in fig. 3-5.

The wall of the housing 1 corresponding to the gas processing device 4 is provided with a second air inlet 15, that is, the second air inlet 15 is arranged on the wall of the upper housing 11, and the second air inlet 15 is communicated with the third air outlet 25 through a pipeline. The wind that third air outlet 25 flows out contains the mist such as hydrogen, toxic gas, these gases get into in the casing 11 through second air intake 15, gas processing apparatus 4 flows through, after the poison gas in the mist is detached to the poison gas processing apparatus of gas processing apparatus 4, the hydrogen in the mist is detached to the hydrogen eliminator, discharge other gas casing 1 through first air outlet 14, in time dispel the heat, and prevent to store too much hydrogen in casing 1 and cause the explosion, other gas that discharges are the safety gas, the environmental protection.

The fuel cell stack is electrically connected to the air blowing device 3. When the air blower works, the fuel cell pack supplies power to the air blowing device 3, an additional power supply is not needed, and the air blower is simple in structure and convenient to carry. In order to reduce the whole area of the integrated fuel cell, the air blowing device 3 is fixed at the bottom of the shell 1, and the four corners of the bottom of the shell 1 are fixed with the support legs 6 for supporting.

When fuel cell began the during operation, blower device 3 opened work, blower device 3 carried external wind to first blowing mouth 51 and second blowing mouth 52, gaseous reachs the fuel cell monomer 2 bottom through first blowing mouth 51 and dispels the heat, second blowing mouth 52 is the shower nozzle formula hole, blow in the square up sends out, second air outlet 23 export is the horizontal direction, the direction that supplementary first blowing mouth 51 can not blow, gaseous flow through fuel cell monomer 2 takes away the hydrogen that heat and reaction produced, gas mixture such as a small amount of toxic gas, it takes away the fuel cell monomer 2 top heat to converge first air intake 24, enter into gas treatment device 4 through third air outlet 25 and second air intake 15 in, discharge through first air outlet 14 after detaching toxic gas and hydrogen.

The utility model realizes 360-degree all-around heat dissipation of the fuel cell monomer, has good heat dissipation effect, improves the working efficiency and the service life of the fuel cell, removes toxic gas and hydrogen gas, discharges the toxic gas and the hydrogen gas, avoids explosion caused by the hydrogen gas stored in the shell, and protects the environment at the same time.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "the present embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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 utility model, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.

Claims

1. An integrated fuel cell, characterized by comprising a housing (1), a fuel cell stack, a blower device (3) and a gas treatment device (4),

the fuel cell stack comprises a plurality of fuel cell units (2) connected in series, and the plurality of fuel cell units (2) are fixed in the shell (1) side by side;

the air blowing device (3) is communicated with the inside of the shell (1) through an air duct (5), and an air blowing port is arranged on the air duct (5) and is used for enabling air blown by the air blowing device (3) to flow through the fuel cell stack from bottom to top;

the gas treatment device (4) is fixed in the shell (1) and is positioned above the fuel cell stack, and the gas treatment device (4) comprises a toxic gas treatment device and a dehydrogenation device which are communicated;

the top of the shell (1) is provided with a first air outlet (14).

2. The integrated fuel cell according to claim 1, wherein the air blowing ports include a first air blowing port (51) and a second air blowing port (52), the first air blowing port (51) and the second air blowing port (52) are vertically upward or obliquely upward, the first air blowing port (51) is located below the fuel cell cells (2), and the second air blowing port (52) is located between adjacent fuel cell cells (2).

3. The integrated fuel cell according to claim 2, wherein the first air blowing port (51) is a circular hole, and the second air blowing port (52) is a showerhead hole.

4. The integrated fuel cell according to claim 1 or 2, wherein a bottom bracket (21) is fixed to the bottom of the fuel cell (2), a top bracket (22) is fixed to the top of the fuel cell (2), a second air outlet (23) horizontally arranged is formed in the bottom bracket (21), the axial direction of the second air outlet (23) is perpendicular to the length direction of the fuel cell (2), a first air inlet (24) and a third air outlet (25) horizontally arranged are formed in the top bracket (22), the axial direction of the first air inlet (24) is perpendicular to the length direction of the fuel cell (2), and the axial direction of the third air outlet (25) is parallel to the length direction of the fuel cell (2).

5. The integrated fuel cell according to claim 4, wherein a second air inlet (15) is formed in a wall of the housing (1) corresponding to the gas processing device (4), and the second air inlet (15) is communicated with the third air outlet (25).

6. The integrated fuel cell according to claim 4, wherein the housing (1) includes an upper housing (11), a lower housing (12), and an intermediate housing (13), the upper housing (11) and the lower housing (12) being detachably connected to the intermediate housing (13), respectively, the bottom bracket (21) being fixed in the lower housing (12), the fuel cell unit (2) and the top bracket (22) being fixed in the intermediate housing (13), and the gas processing device (4) being fixed in the upper housing (11).

7. The integrated fuel cell according to claim 1, wherein the number of the gas-guide tubes (5) is plural, and the plural gas-guide tubes (5) are arranged along the length direction of the fuel cell unit (2).

8. The integrated fuel cell according to claim 1, wherein the fuel cell stack is electrically connected with the blower device (3).

9. The integrated fuel cell of claim 1, wherein the outlet of the toxic gas treatment device is connected to the inlet of the hydrogen elimination device via a pipeline, and the pipeline is provided with a one-way valve.