CN218568898U - Distributor and fuel cell engine system - Google Patents

Abstract

The utility model provides a distributor and fuel cell engine system, the distributor comprises a mixing part, a first air inlet pipe, a second air inlet pipe and an air outlet pipe, the mixing part is provided with a mixing cavity; a first pipe orifice of the first air inlet pipe is used for being communicated with a mixed gas outlet after the reactor reaction, and a second pipe orifice of the first air inlet pipe extends into the mixing cavity; the second air inlet pipe is used for introducing hydrogen, and a second pipe orifice of the second air inlet pipe extends into the mixing cavity, so that the hydrogen and the mixed gas in the mixing cavity are mixed in the mixing cavity to form new mixed gas; the first pipe orifice of the air outlet pipe extends into the mixing cavity, and the second pipe orifice of the air outlet pipe is communicated with the fuel inlet of the electric pile. The distributor is arranged to solve the problem that the content of hydrogen components in the fuel of the hydrogen fuel engine in the prior art is too much or too little.

Description

Distributor and fuel cell engine system

Technical Field

The utility model relates to a fuel cell engine technical field particularly, relates to a distributor and fuel cell engine system.

Background

The hydrogen fuel engine utilizes the mixed gas after the reaction of the electric pile to be mixed with fresh hydrogen and then flows into the electric pile through a hydrogen inlet pipe to be used as the fuel of the electric pile. If the mixed gas and the fresh hydrogen are mixed and then directly enter the galvanic pile, the problem of uneven mixing of the mixed gas and the fresh hydrogen exists, and the problem of excessive or insufficient hydrogen component content in the new mixed gas (used as fuel) entering the galvanic pile is further caused.

And because the mixed gas and the fresh hydrogen have certain temperature difference, the temperature of the fresh hydrogen is lower, the mixed gas and the fresh hydrogen can cause the water vapor in the mixed gas to condense to form condensate after being mixed, and the condensate enters the galvanic pile to cause the galvanic pile to be damaged.

SUMMERY OF THE UTILITY MODEL

The present invention provides a distributor and a fuel cell engine system to solve the problem of excessive or insufficient hydrogen component content in the fuel of the hydrogen fuel engine in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a dispenser, comprising: a mixing section having a mixing chamber; a first pipe orifice of the first air inlet pipe is used for being communicated with a mixed gas outlet of the galvanic pile, and a second pipe orifice of the first air inlet pipe extends into the mixing cavity; the second gas inlet pipe is used for introducing hydrogen, and a second pipe orifice of the second gas inlet pipe extends into the mixing cavity so that the hydrogen and the mixed gas are mixed in the mixing cavity to form new mixed gas; and a first pipe orifice of the gas outlet pipe extends into the mixing cavity, and a second pipe orifice of the gas outlet pipe is communicated with a fuel inlet of the electric pile.

Furthermore, a plurality of air outlet holes are formed in the outer peripheral wall of the pipe section of the first air inlet pipe extending into the mixing cavity, and the air outlet holes are communicated with the pipe cavity of the first air inlet pipe; the plurality of air outlet holes are divided into one air outlet hole group or a plurality of air outlet hole groups distributed at intervals along the circumferential direction of the first air inlet pipe, and the air outlet hole groups comprise a plurality of air outlet holes distributed at intervals along the extending direction of the first air inlet pipe; and/or the outer peripheral wall of the pipe section of the second air inlet pipe extending into the mixing cavity is provided with a plurality of exhaust holes, and the exhaust holes are communicated with the pipe cavity of the second air inlet pipe; the exhaust holes are divided into an exhaust hole group or a plurality of exhaust hole groups distributed at intervals along the circumferential direction of the second air inlet pipe, and the exhaust hole group comprises a plurality of exhaust holes distributed at intervals along the extending direction of the second air inlet pipe; and/or the peripheral wall of the pipe section of the air outlet pipe extending into the mixing cavity is provided with a plurality of air inlet holes which are communicated with the pipe cavity of the air outlet pipe; the air inlet holes are divided into an air inlet hole group or a plurality of air inlet hole groups distributed at intervals along the circumferential direction of the air outlet pipe, and the air inlet hole group comprises a plurality of air inlet holes distributed at intervals along the extending direction of the air outlet pipe.

Further, the dispenser further comprises: the cavity of the liquid discharge pipe is communicated with the mixing cavity, and the liquid discharge pipe is provided with an on-off valve; and/or a liquid level sensor disposed within the mixing chamber to detect a liquid level within the mixing chamber.

Further, the dispenser further comprises: the control component, the liquid level sensor and the on-off valve are all in communication connection with the control component, so that the control component acquires liquid level information detected by the liquid level sensor and controls the on-off valve to be opened and closed according to the acquired liquid level information.

Furthermore, a heating part is arranged outside the mixing cavity to heat the gas in the mixing cavity.

According to another aspect of the present invention, there is provided a fuel cell engine system comprising a stack and the above-described distributor, the stack having a mixture outlet and a fuel inlet.

Further, the galvanic pile is a plurality of, and the gas mixture export of a plurality of galvanic piles all communicates with the first mouth of pipe of the first intake pipe of distributor, and the fuel inlet of a plurality of galvanic piles all communicates with the second mouth of pipe of the outlet duct of distributor.

Furthermore, a steam-water separator is arranged on a connecting pipeline between a mixed gas outlet of the galvanic pile and a first pipe orifice of a first air inlet pipe of the distributor.

Furthermore, a pressure pump is arranged on a connecting pipe section between the steam-water separator and the first pipe orifice of the first air inlet pipe.

Further, the fuel cell engine system further comprises a hydrogen tank, and a storage chamber of the hydrogen tank is communicated with the first nozzle of the second air inlet pipe of the distributor.

By applying the technical scheme of the utility model, the distributor comprises a mixing part, a first air inlet pipe, a second air inlet pipe and an air outlet pipe, wherein the mixing part is provided with a mixing cavity; a first pipe orifice of the first air inlet pipe is used for being communicated with a mixed gas outlet after the galvanic pile reaction, and a second pipe orifice of the first air inlet pipe extends into the mixing cavity, so that the mixed gas of the galvanic pile enters the mixing cavity through the first air inlet pipe; the second air inlet pipe is used for introducing hydrogen, and a second pipe orifice of the second air inlet pipe extends into the mixing cavity so that the hydrogen enters the mixing cavity through the second air inlet pipe, and the hydrogen and the mixed gas in the mixing cavity are mixed in the mixing cavity to form new mixed gas; the first orifice of the air outlet pipe extends into the mixing cavity, and the second orifice of the air outlet pipe is used for being communicated with the fuel inlet of the electric pile, so that new mixed gas enters the electric pile through the air outlet pipe and the fuel inlet of the electric pile, namely the new mixed gas is used as fuel of the electric pile.

Through setting up the distributor to make the gas mixture that forms after hydrogen and the galvanic pile reaction collect to the mixing chamber, and at the mixing chamber intensive mixing, and then guarantee to get into the content of hydrogen component in the new gas mixture in the galvanic pile, solved the hydrogen fuel engine among the prior art in the fuel hydrogen component content too much or the problem of few.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic view of the dispenser according to the invention (the drain and the on-off valve are not shown);

fig. 2 shows a schematic structural diagram of a fuel cell engine system according to the present invention.

Wherein the figures include the following reference numerals:

1. a dispenser; 10. a mixing section; 11. a mixing chamber; 12. a second intake pipe; 121. an exhaust hole; 13. a first intake pipe; 131. an air outlet; 14. an air outlet pipe; 141. an air inlet; 15. a liquid level sensor; 16. a heating section; 17. a liquid discharge pipe; 171. an on-off valve;

20. a galvanic pile; 21. a mixed gas outlet; 22. a fuel inlet; 23. an air outlet; 24. an air inlet; 25. a water inlet; 30. a steam-water separator; 40. a pressure pump; 50. a hydrogen tank; 61. a first connecting pipe; 62. a second connecting pipe; 70. an external environment; 81. a discharge pipe; 82. a third connecting pipe; 83. a fourth connecting pipe; 84. and a fifth connecting pipe.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The utility model provides a distributor 1, please refer to fig. 1 and 2, the distributor 1 includes a mixing part 10, a first air inlet pipe 13, a second air inlet pipe 12 and an air outlet pipe 14, the mixing part 10 has a mixing chamber 11; a first pipe orifice of the first air inlet pipe 13 is used for being communicated with a mixed gas outlet 21 of the galvanic pile 20, and a second pipe orifice of the first air inlet pipe 13 extends into the mixing cavity 11, so that mixed gas formed after reaction (namely electrochemical reaction) of the galvanic pile 20 enters the mixing cavity 11 through the first air inlet pipe 13; the second gas inlet pipe 12 is used for introducing hydrogen, and a second pipe orifice of the second gas inlet pipe 12 extends into the mixing cavity 11, so that the hydrogen enters the mixing cavity 11 through the second gas inlet pipe 12, and the hydrogen and the mixed gas in the mixing cavity 11 are mixed in the mixing cavity 11 to form new mixed gas; a first nozzle of the gas outlet pipe 14 extends into the mixing chamber 11, and a second nozzle of the gas outlet pipe 14 is used for communicating with the fuel inlet 22 of the electric pile 20, so that new mixed gas enters the electric pile 20 through the gas outlet pipe 14 and the fuel inlet 22 of the electric pile 20, namely the new mixed gas is used as fuel of the electric pile 20.

Through the distributor 1, the mixed gas formed after the reaction of the hydrogen and the electric pile 20 is converged into the mixing cavity 11 and is fully and uniformly mixed in the mixing cavity 11, so that the content of the hydrogen component in the new mixed gas entering the electric pile 20 is ensured, and the problem that the content of the hydrogen component in the fuel of the hydrogen fuel engine in the prior art is too much or too little is solved.

In addition, because the temperature of the hydrogen introduced into the second inlet pipe 12 is low (generally, normal temperature or slightly lower than normal temperature), and the temperature of the mixed gas formed after the reaction of the galvanic pile 20 is high (generally, more than 50 ℃), the water vapor in the mixed gas entering the mixing cavity 11 will exchange heat after encountering the hydrogen with low temperature, and the water vapor in the mixed gas will be condensed into condensate and fall into the mixing cavity 11; in this way, the water vapor component in the mixed gas can be removed in the mixing cavity 11, and the condensate is prevented from entering the galvanic pile 20 and affecting the performance of the galvanic pile 20.

It should be noted that the stack 20 is an assembly having a uniform electrical output, which is composed of two or more unit cells and other necessary structural members, and uses a proton exchange membrane as an electrolyte.

It should be noted that the fuel cell engine is an engine using air and hydrogen as fuel, similar to an internal combustion engine, in which electrochemical reaction rather than combustion reaction occurs, and is used to generate electric energy.

The mixed gas formed by the electrochemical reaction inside the stack 20 includes water vapor, nitrogen gas, and hydrogen gas; wherein, the water vapor in the mixed gas after the reaction is generated in the reaction process, the nitrogen in the mixed gas after the reaction does not react in the reaction process, and the hydrogen in the mixed gas after the reaction is the residual hydrogen which does not react in the reaction process. The components of the new mixed gas used as fuel formed by mixing the reacted mixed gas with hydrogen inevitably include nitrogen and hydrogen, and water vapor in the mixed gas is removed.

The second intake pipe 12 is supplied with pure hydrogen.

Specifically, a first inlet pipe 13 is disposed through the mixing portion 10, a second inlet pipe 12 is disposed through the mixing portion 10, and an outlet pipe 14 is disposed through the mixing portion 10.

Specifically, the mixing portion 10 has a first side and a second side opposite to each other, the first air inlet pipe 13 and the second air inlet pipe 12 are both located on the first side of the mixing portion 10, and the air outlet pipe 14 is located on the second side of the mixing portion 10. For example, when the mixing portion 10 is a rectangular parallelepiped structure, the mixing portion 10 has a first side surface and a second side surface which are opposite to each other, the first air inlet pipe 13 and the second air inlet pipe 12 are both disposed through the first side surface of the mixing portion 10, and the air outlet pipe 14 is disposed through the second side surface of the mixing portion 10.

Specifically, the first inlet pipe 13 extends in the horizontal direction, the second inlet pipe 12 extends in the horizontal direction, and the outlet pipe 14 extends in the horizontal direction. Alternatively, the second intake pipe 12 is located above the first intake pipe 13.

In this embodiment, a plurality of air outlet holes 131 are formed in the outer peripheral wall of the pipe section of the first air inlet pipe 13 extending into the mixing cavity 11, and the air outlet holes 131 are all communicated with the pipe cavity of the first air inlet pipe 13; wherein, the plurality of outlet holes 131 are divided into one outlet hole group or a plurality of outlet hole groups distributed at intervals along the circumferential direction of the first inlet pipe 13, and the outlet hole group includes a plurality of outlet holes 131 distributed at intervals along the extending direction of the first inlet pipe 13. Like this, can make the gas mixture in the first intake pipe 13 pass through the second mouth of pipe of first intake pipe 13 and a plurality of ventholes 131 on the first intake pipe 13 dispersedly get into in the mixing chamber 11, be favorable to the mixing homogeneity of hydrogen and gas mixture in mixing chamber 11.

In this embodiment, a plurality of exhaust holes 121 are formed in the outer peripheral wall of the pipe section of the second air inlet pipe 12 extending into the mixing chamber 11, and the exhaust holes 121 are all communicated with the pipe cavity of the second air inlet pipe 12; wherein the plurality of exhaust holes 121 are divided into one exhaust hole group or a plurality of exhaust hole groups spaced apart in the circumferential direction of the second intake pipe 12, the exhaust hole group including the plurality of exhaust holes 121 spaced apart in the extending direction of the second intake pipe 12. Like this, can make the hydrogen in the second intake pipe 12 pass through the second mouth of pipe of second intake pipe 12 and the multiple exhaust holes 121 on the second intake pipe 12 dispersedly get into mixing chamber 11 in, be favorable to the mixing homogeneity of hydrogen and gas mixture in mixing chamber 11.

In this embodiment, a plurality of air inlet holes 141 are formed in the peripheral wall of the pipe section of the air outlet pipe 14 extending into the mixing chamber 11, and the air inlet holes 141 are all communicated with the pipe cavity of the air outlet pipe 14; wherein, the plurality of air inlet holes 141 are divided into one air inlet hole group or a plurality of air inlet hole groups distributed at intervals along the circumferential direction of the air outlet pipe 14, and the air inlet hole group comprises a plurality of air inlet holes 141 distributed at intervals along the extending direction of the air outlet pipe 14. In this way, the new mixed gas in the mixing chamber 11 can enter the outlet pipe 14 through the first pipe opening of the outlet pipe 14 and the plurality of air inlet holes 141 on the outlet pipe 14 to increase the turbulence of the gas in the outlet pipe 14, which is beneficial to further make the new mixed gas discharged from the outlet pipe 14 more uniform.

In this embodiment, the dispenser 1 further comprises a level sensor 15, the level sensor 15 being arranged within the mixing chamber 11 to detect the liquid level within the mixing chamber 11.

Specifically, the dispenser 1 further comprises a liquid discharge pipe 17, the lumen of the liquid discharge pipe 17 is communicated with the mixing chamber 11, and an on-off valve 171 is arranged on the liquid discharge pipe 17 to control the on-off state of the liquid discharge pipe 17 by controlling the opening and closing of the on-off valve 171; that is, when the on-off valve 171 is in the open state, the drain pipe 17 is connected, and at this time, the condensate in the mixing chamber 11 can be discharged through the drain pipe 17; when the on-off valve 171 is in the closed state, the drain pipe 17 is disconnected. Through setting up fluid-discharge tube 17 and the interior condensate of time discharge mixing chamber 11, contain the condensate in avoiding new gas mixture, and then avoid containing the new gas mixture of condensate to get into galvanic pile 20, this is favorable to guaranteeing galvanic pile 20's performance, promotes fuel cell engine system's reliability.

Optionally, mixing section 10 also has a connection opening communicating with mixing chamber 11, with a first orifice of drain 17 communicating with the connection opening, so that the lumen of drain 17 communicates with mixing chamber 11.

Optionally, a first orifice of drain 17 is in abutting communication with the connection opening.

Alternatively, the connection opening is provided at the bottom of the mixing section 10.

Optionally, a second orifice of drain 17 is adapted to communicate with external environment 70 to allow liquid within drain 17 to drain to external environment 70.

Specifically, the dispenser 1 further includes a control component, and the liquid level sensor 15 and the on-off valve 171 are both in communication connection with the control component, so that the control component acquires liquid level information detected by the liquid level sensor 15, and controls the on-off of the on-off valve 171 according to the acquired liquid level information, thereby controlling the on-off state of the drain pipe 17. In a specific implementation, the control unit controls the on-off valve 171 to open when the liquid level in the mixing chamber 11 reaches a preset level.

In the present embodiment, a heating portion 16 is provided outside the mixing chamber 11 to heat the gas inside the mixing chamber 11; on the one hand, the liquid water in the mixing chamber 11 can be gasified; on the other hand, the inlet temperature of the new mixed gas can be improved, so that the consistency of the inlet temperature of the electric pile 20 under different working conditions can be ensured, the cold start capability of the fuel cell engine can be improved, and the reliability of the fuel cell engine is improved.

Alternatively, the heating part 16 is a sheet structure, and a plate surface of the heating part 16 is in contact with an outer wall surface of the mixing chamber 11, so as to ensure a heating effect of the heating part 16 on the gas in the mixing chamber 11 by ensuring a heat exchange area.

Specifically, the heating part 16 is located at a lower portion of the mixing chamber 11 and extends in a circumferential direction of the mixing chamber 11.

The utility model also provides a fuel cell engine system, as shown in fig. 1 and fig. 2, it includes galvanic pile 20 and foretell distributor 1, galvanic pile 20 has gas mixture export 21 and fuel inlet 22.

Specifically, the mixture gas formed after the electrochemical reaction inside the stack 20 is discharged from the mixture gas outlet 21.

Specifically, the stack 20 also has an air inlet 24 and a water inlet 25.

Specifically, the stack 20 also has an air outlet 23, the air outlet 23 being for communication with the external environment 70.

In the embodiment, there are a plurality of galvanic piles 20, and the mixture outlets 21 of the galvanic piles 20 are all communicated with the first pipe orifice of the first air inlet pipe 13 of the distributor 1, so that the mixture flowing out of the mixture outlets 21 of the galvanic piles 20 all enters the mixing chamber 11; the fuel inlets 22 of the plurality of stacks 20 are all communicated with the second pipe opening of the air outlet pipe 14 of the distributor 1, so that the new mixed gas uniformly mixed in the mixing cavity 11 respectively enters the plurality of stacks 20 through the air outlet pipe 14 and the fuel inlets 22 of the plurality of stacks 20 to serve as fuel of the plurality of stacks 20. As shown in fig. 2, there are two electric stacks 20, and the two electric stacks 20 are distributed up and down.

Specifically, the fuel cell engine system further includes a second connection pipe 62 and a plurality of first connection pipes 61, the plurality of first connection pipes 61 are disposed in one-to-one correspondence with the plurality of cell stacks 20, and a first nozzle of each first connection pipe 61 communicates with the mixed gas outlet 21 of the corresponding cell stack 20; the second nozzles of the first connecting pipes 61 are all communicated with the first nozzles of the second connecting pipes 62, and the second nozzles of the second connecting pipes 62 are communicated with the first nozzles of the first air inlet pipes 13. That is, the mixture gas flowing out of the mixture gas outlet 21 of each stack 20 passes through the corresponding first connection pipe 61 and then is merged in the second connection pipe 62.

In this embodiment, a steam-water separator 30 is disposed on a connection pipeline between the mixed gas outlet 21 of the stack 20 and the first nozzle of the first air inlet pipe 13 of the distributor 1; that is, the steam-water separator 30 is disposed on the second connection pipe 62, so that the mixed gas merged in the second connection pipe 62 passes through the steam-water separator 30 to filter out liquid water in the mixed gas.

Specifically, the liquid outlet of the steam-water separator 30 is used to communicate with the external environment 70, so that the liquid water in the steam-water separator 30 is discharged to the external environment 70 through the liquid outlet thereof.

In the present embodiment, a pressure pump 40 is disposed on a connection pipe section between the steam-water separator 30 and the first nozzle of the first air inlet pipe 13; that is, the pressure pump 40 is disposed on the second connection pipe 62, and the steam-water separator 30 is located upstream of the pressure pump 40 along the flow direction of the gas in the second connection pipe 62, so that the mixed gas filtered by the steam-water separator 30 is pressurized by the pressure pump 40 and then enters the mixing chamber 11.

Specifically, the pressurizing pump 40 is a circulation pump.

In this embodiment, the fuel cell engine system further includes a hydrogen tank 50, and a storage chamber of the hydrogen tank 50 communicates with the first nozzle of the second intake pipe 12 of the dispenser 1 to introduce hydrogen into the second intake pipe 12.

Specifically, the hydrogen stored in the hydrogen tank 50 is compressed hydrogen.

In this embodiment, the fuel cell engine system further includes a discharge pipe 81, the air outlet 23 communicates with a first nozzle of the discharge pipe 81, the liquid discharge port of the steam-water separator 30 communicates with a lumen of the discharge pipe 81, and a second nozzle of the liquid discharge pipe 17 communicates with a lumen of the discharge pipe 81; the second orifice of the drain 81 is located in the external environment 70 such that air from the air outlet 23, liquid water from the steam-water separator 30, and liquid water from the drain 17 are all drained to the external environment 70 through the drain 81.

Specifically, the air outlet 23 is communicated with a first nozzle of the discharge pipe 81 through a third connection pipe 82; when there are a plurality of cell stacks 20, there are a plurality of third connecting pipes 82, and the plurality of third connecting pipes 82 are disposed in one-to-one correspondence with the air outlets 23 of the plurality of cell stacks 20, so that the air outlet 23 of each cell stack 20 communicates with the first nozzle of the discharge pipe 81 through the corresponding third connecting pipe 82. The liquid outlet of the steam-water separator 30 is communicated with the pipe cavity of the discharge pipe 81 through a fourth connecting pipe 83; the second nozzle of the drainage pipe 17 communicates with the lumen of the drainage pipe 81 through a fifth connection pipe 84.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

in the distributor 1 provided by the utility model, the distributor 1 comprises a mixing part 10, a first air inlet pipe 13, a second air inlet pipe 12 and an air outlet pipe 14, wherein the mixing part 10 is provided with a mixing cavity 11; a first pipe orifice of the first air inlet pipe 13 is used for being communicated with a mixed gas outlet 21 of the electric pile 20, and a second pipe orifice of the first air inlet pipe 13 extends into the mixing cavity 11, so that mixed gas formed after the electric pile 20 reacts enters the mixing cavity 11 through the first air inlet pipe 13; the second gas inlet pipe 12 is used for introducing hydrogen, and a second pipe orifice of the second gas inlet pipe 12 extends into the mixing cavity 11, so that the hydrogen enters the mixing cavity 11 through the second gas inlet pipe 12, and the hydrogen and the mixed gas in the mixing cavity 11 are mixed in the mixing cavity 11 to form new mixed gas; a first nozzle of the gas outlet pipe 14 extends into the mixing chamber 11, and a second nozzle of the gas outlet pipe 14 is used for communicating with the fuel inlet 22 of the electric pile 20, so that new mixed gas enters the electric pile 20 through the gas outlet pipe 14 and the fuel inlet 22 of the electric pile 20, namely the new mixed gas is used as fuel of the electric pile 20.

Through setting up distributor 1 to make the gas mixture that forms after hydrogen and the galvanic pile 20 reaction collect to mixing chamber 11 in, and fully mix in mixing chamber 11, and then guarantee to get into the content of hydrogen component in the new gas mixture in galvanic pile 20, solved the hydrogen component content too much or the problem of lack in the fuel of the hydrogen fuel engine among the prior art.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A dispenser, comprising:

a mixing section (10), the mixing section (10) having a mixing chamber (11);

a first pipe orifice of the first air inlet pipe (13) is used for being communicated with a mixed gas outlet (21) of the galvanic pile (20), and a second pipe orifice of the first air inlet pipe (13) extends into the mixing cavity (11);

the second air inlet pipe (12) is used for introducing hydrogen into the second air inlet pipe (12), and a second pipe orifice of the second air inlet pipe (12) extends into the mixing cavity (11) so that the hydrogen and the mixed gas are mixed in the mixing cavity (11) to form new mixed gas;

a first pipe orifice of the gas outlet pipe (14) extends into the mixing cavity (11), and a second pipe orifice of the gas outlet pipe (14) is used for being communicated with a fuel inlet (22) of the electric pile (20).

2. The dispenser of claim 1,

a plurality of air outlet holes (131) are formed in the peripheral wall of a pipe section of the first air inlet pipe (13) extending into the mixing cavity (11), and the air outlet holes (131) are communicated with a pipe cavity of the first air inlet pipe (13); wherein the plurality of outlet holes (131) are divided into one outlet hole group or a plurality of outlet hole groups distributed at intervals along the circumferential direction of the first inlet pipe (13), and the outlet hole group comprises a plurality of outlet holes (131) distributed at intervals along the extending direction of the first inlet pipe (13); and/or

A plurality of exhaust holes (121) are formed in the peripheral wall of a pipe section of the second air inlet pipe (12) extending into the mixing cavity (11), and the exhaust holes (121) are communicated with a pipe cavity of the second air inlet pipe (12); wherein the plurality of exhaust holes (121) are divided into one exhaust hole group or a plurality of exhaust hole groups distributed at intervals in the circumferential direction of the second intake pipe (12), the exhaust hole groups including a plurality of exhaust holes (121) distributed at intervals in the extending direction of the second intake pipe (12); and/or

The peripheral wall of the pipe section of the air outlet pipe (14) extending into the mixing cavity (11) is provided with a plurality of air inlet holes (141), and the air inlet holes (141) are all communicated with the pipe cavity of the air outlet pipe (14); the plurality of air inlet holes (141) are divided into an air inlet hole group or a plurality of air inlet hole groups distributed at intervals along the circumferential direction of the air outlet pipe (14), and the air inlet hole group comprises a plurality of air inlet holes (141) distributed at intervals along the extending direction of the air outlet pipe (14).

3. The dispenser of claim 1, further comprising:

a liquid discharge pipe (17), wherein the cavity of the liquid discharge pipe (17) is communicated with the mixing cavity (11), and an on-off valve (171) is arranged on the liquid discharge pipe (17); and/or

A level sensor (15), the level sensor (15) being disposed within the mixing chamber (11) to detect a liquid level within the mixing chamber (11).

4. The dispenser of claim 3, further comprising:

and the liquid level sensor (15) and the on-off valve (171) are in communication connection with the control component, so that the control component acquires liquid level information detected by the liquid level sensor (15) and controls the on-off valve (171) to be opened and closed according to the acquired liquid level information.

5. The dispenser according to claim 1, characterized in that the mixing chamber (11) is provided with a heating section (16) on the outside for heating the gas in the mixing chamber (11).

6. A fuel cell engine system, characterized by comprising a stack (20) and a distributor according to any one of claims 1 to 5, the stack (20) having a mixture outlet (21) and a fuel inlet (22).

7. The fuel cell engine system according to claim 6,

the fuel gas distributor is characterized in that the number of the galvanic piles (20) is multiple, mixed gas outlets (21) of the galvanic piles (20) are communicated with a first pipe orifice of a first gas inlet pipe (13) of the distributor, and fuel inlets (22) of the galvanic piles (20) are communicated with a second pipe orifice of a gas outlet pipe (14) of the distributor.

8. The fuel cell engine system according to claim 6, wherein a steam-water separator (30) is provided on a connection line between the mixture outlet (21) of the stack (20) and the first nozzle of the first intake pipe (13) of the distributor.

9. The fuel cell engine system according to claim 8, wherein a pressurizing pump (40) is provided on a connection pipe section between the steam-water separator (30) and the first nozzle of the first intake pipe (13).

10. A fuel cell engine system according to claim 6, further comprising a hydrogen tank (50), a storage chamber of the hydrogen tank (50) communicating with the first orifice of the distributor's second inlet conduit (12).

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