CN217139619U

CN217139619U - Baffle type hydrogen-water separation device

Info

Publication number: CN217139619U
Application number: CN202221068781.4U
Authority: CN
Inventors: 侯昌辉; 樊旭东; 江源; 郭劲
Original assignee: Anhui Tomorrow New Energy Technology Co ltd
Current assignee: Anhui Tomorrow New Energy Technology Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-09
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a baffle-type hydrogen-water separation device, comprising a base plate, a cavity, a sealing strip, a hydrogen discharge electromagnetic valve, a water discharge electromagnetic valve and an O-shaped ring, wherein the base plate is an aluminum flat plate, a mounting hole is formed on the side wall of the base plate, the cavity is an aluminum cavity, the cavity is fixed on the side wall of the base plate, a hydrogen discharge port and a water discharge port are formed on the side wall of the cavity, the two sides of the cavity are respectively communicated with a hydrogen inlet pipe and a hydrogen return pipe, a corresponding flow passage and a middle baffle are arranged on the inner side wall of the cavity according to the air flow direction and the moisture principle, and a baffle I, a baffle II and a baffle III are fixed on the inner side wall of the cavity; the utility model discloses a cooperation of the cavity that sets up, baffle one, baffle two and baffle three makes the device can effectually get rid of the vapor in the hydrogen to circulating hydrogen's utilization ratio and fuel cell's economic nature have been improved.

Description

Baffle type hydrogen-water separation device

Technical Field

The utility model relates to a hydrogen fuel cell technical field especially relates to a baffle formula hydrogen water separator.

Background

In the field of hydrogen fuel cells, the tail gas after cell reaction contains a large amount of moisture, which can increase the working load of a hydrogen circulating pump and even cause the working failure of the circulating pump, and meanwhile, the moisture in the hydrogen can block a hydrogen channel of the cell after being accumulated in a large amount, so that the cell can not work well.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a baffle type hydrogen-water separation device.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a baffle formula hydrogen water separator, includes bottom plate, cavity, sealing strip, hydrogen discharge solenoid valve, drainage solenoid valve and O type circle, the bottom plate is aluminium system flat board, has seted up the mounting hole on the lateral wall of bottom plate, and the cavity is the aluminium system cavity, and on the cavity was fixed in the lateral wall of bottom plate, hydrogen discharge mouth and outlet have been seted up on the lateral wall of cavity, and the both sides of cavity communicate respectively and have into hydrogen pipe and return hydrogen pipe, are provided with corresponding runner and intermediate baffle according to air current direction and moisture principle on the inside wall of cavity, are fixed with baffle one, baffle two and baffle three on the inside wall of cavity.

As a further technical scheme of the utility model, one side that the cavity is close to the bottom plate is opened there is the seal groove, and the sealing strip is located between bottom plate and the cavity, and size and seal groove phase-match.

As a further technical scheme of the utility model, the sealing strip both sides are provided with the arch, retrain it in the seal groove.

As a further technical scheme of the utility model, the hydrogen discharge solenoid valve is fixed in on the cavity lateral wall through the cooperation of O type circle and bolt, and is located the upper segment position of cavity lateral wall, and the hydrogen discharge solenoid valve is linked together with the hydrogen discharge mouth.

As a further technical scheme of the utility model, the hypomere position of cavity is fixed in through the cooperation of O type circle and bolt also to the drainage solenoid valve, and the drainage solenoid valve is linked together with the outlet.

As a further technical scheme of the utility model, the exhaust hydrogen solenoid valve and drainage solenoid valve all have self-heating function.

The utility model has the advantages that:

1. through the cooperation of the cavity, the first baffle, the second baffle and the third baffle, the device can effectively remove water vapor in hydrogen, thereby improving the utilization rate of circulating hydrogen and the economical efficiency of a fuel cell.

2. The device has the advantages of reasonable design, simple structure, small volume, contribution to system integration, complete mechanical structure, no consumption of extra energy and stable operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the internal structure of the middle chamber of the present invention.

In the figure: 1. a base plate; 2. a cavity; 3. a hydrogen inlet pipe; 4. a hydrogen return pipe; 5. a hydrogen discharge port; 6. a water outlet; 7. a first baffle plate; 8. a second baffle plate; 9. a baffle III; 10. a sealing strip; 11. a hydrogen discharge solenoid valve; 12. a water discharge electromagnetic valve; 13. and an O-shaped ring.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-3, a baffle-type hydrogen-water separation device comprises a bottom plate 1, a cavity 2, a sealing strip 10, a hydrogen discharge electromagnetic valve 11, a water discharge electromagnetic valve 12 and an O-shaped ring 13, wherein the bottom plate 1 is an aluminum flat plate, the side wall of the bottom plate 1 is provided with a mounting hole for fastening the cavity 2 by matching with a bolt, the cavity 2 is an aluminum cavity, the cavity 2 is fixed on the side wall of the bottom plate 1, the side wall of the cavity 2 is provided with a hydrogen discharge port 5 and a water discharge port 6, the hydrogen discharge port 5 is positioned at the middle upper part of the cavity 2, the water discharge port 6 is positioned at one side of the lower part of the cavity 2 close to a hydrogen return pipe 4, the two sides and the upper part of the cavity 2 are respectively communicated with a hydrogen inlet pipe 3 and a hydrogen return pipe 4, the inner side wall of the cavity 2 is provided with corresponding flow channels and middle baffles according to the air flow direction and the water principle, the inner side wall of the cavity 2 is fixed with a baffle I7, a baffle II 8 and a baffle III 9, the baffle I7 is positioned at one side of the middle of the flow channel of the cavity 2 close to the hydrogen inlet pipe 3, the second baffle plate 8 is positioned on one side of the middle of the flow channel of the cavity 2 close to the water outlet 6, and the third baffle plate 9 is positioned on one side of the middle of the flow channel of the cavity 2 close to the hydrogen return pipe 4.

The mixed gas with hydrogen and water vapor at the hydrogen outlet of the fuel cell enters the cavity 2 from the hydrogen inlet pipe 3, the mixed gas can enter along the tangential direction and flows downwards along the semicircular flow channel due to the tangency of the hydrogen inlet pipe 3 and the cavity 2, and the hydrogen water flows through the baffle plate I7 and the inner wall of the cavity 2 and then is condensed and adhered to enable part of the water vapor to be gathered into water drops and flow downwards along the inner wall and the baffle plate I7 to flow to the water outlet 6; then, the hydrogen water continuously flows along the cavity 2 and is condensed into water beads again through the baffle II 8, and the water beads flow downwards to the water outlet 6; the final hydrogen water flows upwards along the semi-circular flow passage and is condensed into water drops again through the baffle III 9 and flows downwards to the water outlet 6; most of water vapor can be condensed into water drops to flow to the water outlet 6 after flowing through the 3 baffles and the cavity 2, and then the hydrogen after water separation enters the fuel cell again through the hydrogen return pipe 4 for circular reaction.

One side of the cavity 2 close to the bottom plate 1 is provided with a sealing groove, the sealing strip 10 is positioned between the bottom plate 1 and the cavity 2, the size of the sealing strip is matched with that of the sealing groove, the bottom plate 1 and the cavity 2 are fastened and sealed through the sealing strip 10 and a bolt, and the sealing performance of the device in use is guaranteed.

The sealing strip 10 both sides are provided with the arch, retrain it in the seal groove, and the hydrogen discharge solenoid valve 11 is fixed in on 2 lateral walls of cavity through the cooperation of O type circle 13 and bolt, and is located the upper segment position of 2 lateral walls of cavity, and the hydrogen discharge solenoid valve 11 is linked together with hydrogen discharge port 5, and the drainage solenoid valve 12 is fixed with 6 intercommunications of outlet and is carried out the drainage on 2 cavity, and the drainage solenoid valve 12 has heating function simultaneously, can prevent to freeze and block up the passageway, improves fuel cell low temperature cold start performance.

The water discharge electromagnetic valve 12 is also fixed at the lower section of the cavity 2 through the matching of an O-shaped ring 13 and a bolt, the water discharge electromagnetic valve 12 is communicated with the water discharge port 6, the hydrogen discharge electromagnetic valve 11 and the water discharge electromagnetic valve 12 both have a self-heating function, and the hydrogen discharge electromagnetic valve 11 is communicated with the hydrogen discharge port 5 and fixed on the cavity 2 for hydrogen discharge.

When the utility model is used, the mixed gas with hydrogen and water vapor at the hydrogen outlet of the fuel cell enters the cavity 2 from the hydrogen inlet pipe 3, because the hydrogen inlet pipe 3 is tangent to the cavity 2, the mixed gas can enter along the tangential direction and flows downwards along the semi-circular flow channel, and after the hydrogen water flows through the baffle I7 and the inner wall of the cavity 2, part of the water vapor is condensed and adhered to form water drops and flows downwards along the inner wall and the baffle I7 to the water outlet 6; then, the hydrogen water continuously flows along the cavity 2 and is condensed into water beads again through the baffle II 8, and the water beads flow downwards to the water outlet 6; the final hydrogen water flows upwards along the semi-circular flow passage and is condensed into water drops again through the baffle III 9 and flows downwards to the water outlet 6; inside 3 baffles and cavity 2 through flowing through, most vapor can condense into drop of water and flow to outlet 6, and the hydrogen after later dividing gets into fuel cell again through returning hydrogen pipe 4 and carries out the circulation reaction, has improved circulating hydrogen's utilization ratio and fuel cell's economic nature.

The water discharge electromagnetic valve 12 is communicated with the water discharge port 6 and fixed on the cavity 2 for water discharge, and meanwhile, the water discharge electromagnetic valve 12 has a heating function, so that the channel can be prevented from being blocked by icing, and the low-temperature cold starting performance of the fuel cell is improved. The hydrogen discharge electromagnetic valve 11 is communicated with the hydrogen discharge port 5 and fixed on the cavity 2 for discharging hydrogen, and the whole hydrogen-water separation device is fixed through a mounting hole on the bottom plate 1.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a baffle formula hydrogen water separator, includes bottom plate (1), cavity (2), sealing strip (10), hydrogen discharge solenoid valve (11), drainage solenoid valve (12) and O type circle (13), a serial communication port, bottom plate (1) is the aluminium system flat board, has seted up the mounting hole on the lateral wall of bottom plate (1), cavity (2) are the aluminium system cavity, cavity (2) are fixed in on the lateral wall of bottom plate (1), hydrogen discharge mouth (5) and outlet (6) have been seted up on the lateral wall of cavity (2), the both sides of cavity (2) communicate respectively have into hydrogen pipe (3) and return hydrogen pipe (4), be provided with corresponding runner and middle baffle according to air current direction and moisture principle on the inside wall of cavity (2), be fixed with baffle one (7), baffle two (8) and baffle three (9) on the inside wall of cavity (2).

2. Hydrogen barrier-type water separation device according to claim 1, characterized in that the chamber (2) is provided with a sealing groove on the side close to the base plate (1), and the sealing strip (10) is located between the base plate (1) and the chamber (2) and has a size matching the sealing groove.

3. Hydrogen barrier-type water separation device in accordance with claim 2, characterized in that the sealing strip (10) is provided with protrusions on both sides to confine it in the sealing groove.

4. The baffle-type hydrogen-water separation device according to claim 1, wherein the hydrogen discharge solenoid valve (11) is fixed on the outer side wall of the chamber (2) through the cooperation of an O-ring (13) and a bolt and is located at the upper section of the outer side wall of the chamber (2), and the hydrogen discharge solenoid valve (11) is communicated with the hydrogen discharge port (5).

5. The baffled hydrogen water separation device according to claim 4, characterized in that the water discharge solenoid valve (12) is also fixed on the outer side wall of the chamber (2) through the cooperation of the O-ring (13) and the bolt and is located at the lower position of the outer side wall of the chamber (2), and the water discharge solenoid valve (12) is communicated with the water discharge opening (6).

6. A baffled hydrogen-water separation device according to claim 5, characterized in that the hydrogen-discharging solenoid valve (11) and the water-discharging solenoid valve (12) have self-heating functions.