CN213790764U

CN213790764U - Gas-liquid separation device for fuel cell engine

Info

Publication number: CN213790764U
Application number: CN202022204227.1U
Authority: CN
Inventors: 韩荘光; 周鹏飞; 贾能铀; 丁铁新; 张禾
Original assignee: Beijing Sinohytec Co Ltd
Current assignee: Beijing Sinohytec Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-27
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a gas-liquid separation for fuel cell engine, including box, gas-liquid mixture entry, delivery port, gas vent and chevron shape baffle, chevron shape baffle fixed mounting is in the box, and the left and right sides of chevron shape baffle forms first cavity and second cavity with the box respectively, and the downside and the box of chevron shape baffle form the third cavity, first cavity and second cavity intercommunication, second cavity and third cavity intercommunication, gas-liquid mixture entry setting on the box and with first cavity intercommunication, the delivery port setting at the bottom half and with third cavity intercommunication, the gas vent setting in box top side and with the second cavity intercommunication. The gas-liquid separation device for the fuel cell engine has the advantages that: the structure is simple, the weight is light, and the reliability is strong; the manufacturing is simple, the cost is low, and the molding is easy; need not to use filter screen or filter core, the water tank internal flow resistance is less, and inside cavity pressure distribution is reasonable.

Description

Gas-liquid separation device for fuel cell engine

Technical Field

The utility model relates to a gas-liquid separation device particularly, relates to a gas-liquid separation device for fuel cell engine.

Background

The hydrogen fuel cell is a power generation device which directly converts chemical energy generated by the reaction of hydrogen and oxygen into electric energy through electrochemical reaction, has the advantages of high power generation efficiency, small environmental pollution and the like, and is widely applied to the field of automobiles. In a stack of a hydrogen fuel cell, the first and last pieces of the stack are often subject to individual voltage fluctuations due to excessive inlet air humidity. Therefore, in order to ensure that the humidity of the inlet air is in a proper range, a gas-liquid separation device, or water separator, is usually arranged at the inlet end. The gas-liquid separation device creates a gas-liquid separation environment, so that water vapor is condensed and falls, and dry gas ascends.

The existing gas-liquid separation devices generally realize gas-liquid separation in modes such as a filter element, a chopping block and the like, and the gas-liquid separation devices have the defects of relatively complex internal structure, high manufacturing cost, difficult maintenance and larger weight; the water separator using the filter element has large flow resistance, large pressure inside the device and uneven pressure distribution, and is easy to break down.

In view of the foregoing, it would be desirable to provide a gas-liquid separation device for a fuel cell engine that overcomes the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing and relate to a gas-liquid separation for fuel cell engine, it can overcome prior art's defect. The utility model discloses a utility model purpose can realize through following technical scheme.

An embodiment of the utility model provides a gas-liquid separation for fuel cell engine, wherein a gas-liquid separation for fuel cell engine includes box, gas-liquid mixture entry, delivery port, gas vent and chevron shape baffle, chevron shape baffle fixed mounting is in the box, and the left and right sides of chevron shape baffle forms first cavity and second cavity with the box respectively, and the downside and the box of chevron shape baffle form the third cavity, first cavity and second cavity intercommunication, second cavity and third cavity intercommunication, and gas-liquid mixture entry sets up on the box and communicates with first cavity, and the delivery port setting is in the bottom half and communicates with the third cavity, and the gas vent setting is in box top side and communicate with the second cavity.

According to the utility model discloses an above-mentioned a gas-liquid separation for fuel cell engine that embodiment provided, wherein a gas-liquid separation for fuel cell engine still includes the baffle, and the baffle setting is in the second cavity and the top of baffle and the top fixed connection of box, and the baffle is split into first passageway and second passageway with the upper portion of second cavity.

According to the utility model discloses a gas-liquid separation for fuel cell engine that above-mentioned an embodiment provided, wherein gas-liquid mixture gets into the second cavity through first passageway after getting into first cavity from the gas-liquid mixture entry, and gas and liquid among the gas-liquid mixture separate in the flow, and liquid among the gas-liquid mixture gets into the third cavity and discharges from the delivery port, and gas among the gas-liquid mixture discharges through second passageway and gas vent.

According to the utility model discloses a gas-liquid separation for fuel cell engine that above-mentioned an embodiment provided, wherein the top and the box top of chevron shape baffle leave the space, the extreme point and the box of chevron shape baffle below "people" word one side shank are connected and are enclosed into first cavity by box and chevron-shaped plate in the top of the leg of this side chevron-shaped plate, leave the gap between the extreme point and the box of chevron shape baffle below "people" word opposite side shank and enclose into the second cavity by box and chevron-shaped plate in the top of the leg of this side chevron-shaped plate, the baffle is located the second cavity and the top fixed connection of the top of baffle and box, form first passageway between baffle and the chevron-shaped plate, form the second passageway between baffle and the box, first passageway and second passageway are located the both sides of baffle respectively.

According to the utility model discloses an above-mentioned an embodiment provides a gas-liquid separation for fuel cell engine, wherein the box lower part is the triangle-shaped that falls, and the box portion that is the triangle-shaped that falls encloses into the third cavity with the bottom of chevron shape baffle, and the delivery port setting is in the one side that is the bottom of the box of the triangle-shaped that falls.

According to the utility model discloses an above-mentioned an embodiment provides a gas-liquid separation for fuel cell engine, wherein a gas-liquid separation for fuel cell engine still includes first fixed plate and second fixed plate, be equipped with a plurality of connecting holes on the first fixed plate, be equipped with a plurality of connecting holes on the second fixed plate, first fixed plate sets up the one side that is equipped with the delivery port in the box bottom, and first fixed plate is passed to the delivery port, and the second fixed plate setting is at the opposite side that the box middle section is relative with first fixed plate.

The gas-liquid separation device for the fuel cell engine has the advantages that: the structure is simple, the weight is light, and the reliability is strong; the manufacturing is simple, the cost is low, and the molding is easy; need not to use filter screen or filter core, the water tank internal flow resistance is less, and inside cavity pressure distribution is reasonable.

Drawings

The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:

fig. 1 shows a schematic cross-sectional view of a gas-liquid separation device for a fuel cell engine according to an embodiment of the present invention;

fig. 2 is a schematic view showing another angle of the gas-liquid separation device for a fuel cell engine according to an embodiment of the present invention as shown in fig. 1.

Detailed Description

Fig. 1-2 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For the purpose of teaching the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate that variations or substitutions from these embodiments will fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.

Figures 1-2 show a gas-liquid separation apparatus for a fuel cell engine according to one embodiment of the present invention, the gas-liquid separation device for the fuel cell engine comprises a box body 1, a gas-liquid mixture inlet 2, a water outlet 3, an exhaust port 4 and a herringbone clapboard 5, the herringbone partition plate 5 is fixedly installed in the box body 1, the left side and the right side of the herringbone partition plate 5 form a first cavity 100 and a second cavity 200 with the box body 1 respectively, the lower side of the herringbone partition plate 5 forms a third cavity 300 with the box body 1, the first cavity 100 is communicated with the second cavity 200, the second cavity 200 is communicated with the third cavity 300, the gas-liquid mixture inlet 2 is arranged on the box body 1 and is communicated with the first cavity 100, the water outlet 3 is arranged at the bottom of the box body 1 and is communicated with the third cavity 300, and the exhaust port 4 is arranged at the side of the top of the box body 1 and is communicated with the second cavity 200.

According to the utility model discloses a gas-liquid separation for fuel cell engine that above-mentioned an embodiment provided, wherein a gas-liquid separation for fuel cell engine still includes baffle 6, baffle 6 sets up in second cavity 200 and the top of baffle 6 and the top fixed connection of box 1, and baffle 6 is split into first passageway 201 and second passageway 202 with the upper portion of second cavity 200.

According to the present invention, a gas-liquid separation device for a fuel cell engine is provided, in which the gas-liquid mixture enters the first cavity 100 from the gas-liquid mixture inlet 2 and then enters the second cavity 200 through the first passage 201, the gas and the liquid in the gas-liquid mixture are gradually separated in the flow in the box 1 by the condensation reaction occurring on the herringbone partition plates 5 and 6 and the natural separation occurring in the flow due to the difference in gas and liquid densities, the liquid in the gas-liquid mixture enters the third cavity 300 and is discharged from the water outlet 3, and the gas in the gas-liquid mixture is discharged through the second passage 202 and the gas outlet 4.

According to the gas-liquid separation device for a fuel cell engine provided by the above one embodiment of the present invention, the top end of the herringbone partition plate 5 and the top end of the box body 1 are provided with a gap 400, the end point of the leg part at one side of the herringbone partition plate 5 is connected with the box body 1, the box body 1 and the herringbone partition plate surround the first cavity 100 above the leg part of the herringbone partition plate at the side, a gap 500 is reserved between the end point of the leg part at the other side of the herringbone partition plate 5 and the box body 1, the box body 1 and the herringbone partition plate 5 surround the second cavity 200 above the leg part of the herringbone partition plate at the side, the partition plate 6 is positioned in the second cavity 200, the top end of the partition plate 6 is fixedly connected with the top of the box body 1, a first channel 201 is formed between the partition plate 6 and the herringbone partition plate 5, a second channel 202 is formed between the partition plate 6 and the box body 1, and the first channel 201 and the second channel 202 are respectively positioned at two sides of the partition plate 6.

According to the present invention, there is provided a gas-liquid separation device for a fuel cell engine, wherein the lower portion of the box body 1 is an inverted triangle, the box body portion of the inverted triangle and the bottom of the herringbone partition plate 5 form a third cavity 300, and the water outlet 3 is disposed on one side of the bottom end of the box body 1 of the inverted triangle.

According to the utility model discloses an above-mentioned a gas-liquid separation for fuel cell engine that embodiment provided, wherein a gas-liquid separation for fuel cell engine still includes first fixed plate 7 and second fixed plate 8, be equipped with a plurality of connecting holes 71 on the first fixed plate 7, be equipped with a plurality of connecting holes 81 on the second fixed plate 8, first fixed plate 7 sets up the one side that is equipped with delivery port 3 in 1 bottom of box, and delivery port 3 passes first fixed plate 7, and second fixed plate 8 sets up the opposite side relative with first fixed plate 7 in 1 middle section of box. The first fixing plate 7 and the second fixing plate 8 are used to fix the gas-liquid separation device in the fuel cell system.

It will of course be appreciated that whilst the foregoing has been given by way of example of the present invention, such and other modifications and variations thereto as would be apparent to persons skilled in the art are deemed to fall within the broad scope of the invention as herein set forth. Therefore, while the invention has been described with reference to a preferred embodiment, it is not intended that the novel apparatus be limited thereby, but on the contrary, it is intended to cover various modifications and equivalent arrangements included within the broad scope of the above disclosure and the appended claims.

Claims

1. The utility model provides a gas-liquid separation for fuel cell engine, its characterized in that, a gas-liquid separation for fuel cell engine includes box, gas-liquid mixture entry, delivery port, gas vent and chevron shape baffle, chevron shape baffle fixed mounting is in the box, and the left and right sides of chevron shape baffle forms first cavity and second cavity with the box respectively, and the downside of chevron shape baffle forms the third cavity with the box, first cavity and second cavity intercommunication, second cavity and third cavity intercommunication, and gas-liquid mixture entry sets up on the box and communicates with first cavity, and the delivery port setting is at the bottom half and communicates with the third cavity, and the gas vent setting is in box top side and communicate with the second cavity.

2. The gas-liquid separation device for a fuel cell engine according to claim 1, further comprising a partition plate disposed in the second chamber and having a top end fixedly connected to a top of the case, the partition plate dividing an upper portion of the second chamber into the first passage and the second passage.

3. The gas-liquid separation device for a fuel cell engine according to claim 2, wherein the gas-liquid mixture enters the first chamber from the gas-liquid mixture inlet and then enters the second chamber through the first passage, gas and liquid in the gas-liquid mixture are separated in the flow, liquid in the gas-liquid mixture enters the third chamber and is discharged from the water outlet, and gas in the gas-liquid mixture is discharged through the second passage and the exhaust port.

4. The gas-liquid separation device for a fuel cell engine according to claim 3, wherein a gap is left between the top end of the chevron-shaped partition plate and the top end of the tank, the end point of the leg on one side of the chevron-shaped partition plate below the chevron-shaped partition plate is connected to the tank, and a first cavity is defined by the tank and the chevron-shaped partition plate above the leg of the chevron-shaped partition plate on the side, a gap is left between the end point of the leg on the other side of the chevron-shaped partition plate below the chevron-shaped partition plate and the tank, and a second cavity is defined by the tank and the chevron-shaped partition plate above the leg of the chevron-shaped partition plate on the side, the partition plate is located in the second cavity, the top end of the partition plate is fixedly connected to the top of the tank, a first channel is formed between the partition plate and the chevron-shaped partition plate, a second channel is formed between the partition plate and the tank, and the first channel and the second channel are located on both sides of the partition plate.

5. The gas-liquid separating apparatus for a fuel cell engine according to claim 4, wherein the lower portion of the casing has an inverted triangular shape, a third chamber is defined by the portion of the casing having the inverted triangular shape and the bottom of the chevron-shaped partition, and the water outlet is provided at one side of the bottom end of the casing having the inverted triangular shape.

6. The gas-liquid separation device for a fuel cell engine according to claim 4, further comprising a first fixing plate provided with a plurality of connection holes and a second fixing plate provided with a plurality of connection holes, wherein the first fixing plate is disposed on one side of the bottom end of the case body where the water outlet is disposed, the water outlet passes through the first fixing plate, and the second fixing plate is disposed on the other side of the middle section of the case body opposite to the first fixing plate.