CN211829034U

CN211829034U - Fuel cell energy recovery system

Info

Publication number: CN211829034U
Application number: CN201921902899.0U
Authority: CN
Inventors: 祝德望; 谭林; 仇飞
Original assignee: Nanjing Xiaozhuang University
Current assignee: Nanjing Xiaozhuang University
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-30
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a fuel cell technical field just discloses a fuel cell energy recovery system, including coolant liquid, stirling engine, generator and shell, the shell intussuseption is filled with the coolant liquid, the upper end inner wall fixedly connected with liquid storage pot of shell, and the upper surface of liquid storage pot has seted up the bleeder vent, the last surface of shell is connected with stirling engine's lower fixed surface, the upper end fixed surface of shell is connected with the support, and the upper surface and the generator fixed connection of support, stirling engine's drive end and generator fixed connection, the shell interpolation is equipped with the pipeline of vertical setting. This kind of fuel cell energy recuperation system through the cooperation that sets up inside phase transition coolant liquid and heat pipe, with heat conduction to hot built-in to carry out the coolant liquid circulation through the siphon, utilize the cooling arrangement to generate electricity when reducing the energy consumption of cooling arrangement.

Description

Fuel cell energy recovery system

Technical Field

The utility model relates to a fuel cell technical field specifically is a fuel cell energy recovery system.

Background

A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. The method is a fourth power generation technology after hydroelectric power generation, thermal power generation and atomic power generation, is widely applied to electric automobiles, space shuttles, submarines, communication systems and other places needing mobile power supplies, and can be used for establishing professional small and medium power stations.

The fuel cell recovery system proposed by the current patent No. CN201720194914.5 mainly reforms the inside of the fuel cell, recovers the pressure energy inside the fuel cell, cannot recycle the heat energy emitted by the cooling mechanism of the fuel cell, and cannot improve the heat dissipation performance of the fuel cell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a fuel cell energy recovery system, possess simple structure and be convenient for maintain, the cooling effect is good, advantages such as heat recovery efficiency height have solved the problem that the background art provided.

(II) technical scheme

For realizing above-mentioned simple structure maintenance of being convenient for, the cooling effect is good, the high purpose of heat recovery efficiency, the utility model provides a following technical scheme: the utility model provides a fuel cell energy recovery system, includes coolant liquid, heat engine, generator and shell, the shell intussuseption is filled with the coolant liquid, the upper end inner wall fixedly connected with liquid storage pot of shell, and the upper surface of liquid storage pot has seted up the bleeder vent, the upper surface of shell and heat engine's lower fixed surface are connected, the upper end fixed surface of shell is connected with the support, and the upper surface and the generator fixed connection of support, heat engine's drive end and generator fixed connection, the shell interpolation is equipped with vertical setting's pipeline, and the pipeline runs through the upper surface of the upper end inner wall of shell, heat engine and liquid storage pot in proper order and extends to the liquid storage pot and set up, the lateral wall of liquid storage pot is inserted and is equipped with the siphon, and the siphon runs through and extends to the shell and sets up, is located the shell one end, and a pressure release valve is embedded in the side wall of the shell and is fixedly connected with the side wall of the upper end of the baffle.

Preferably, the pipeline is located in the hot air engine, a plurality of radiating fins are arranged on the side walls of the two sides of the pipeline, the radiating fins penetrate through the pipeline and extend into the pipeline, and a heat conduction pipe is fixedly connected between the radiating fins.

Preferably, the lower end of the siphon in the shell is fixedly connected with a guide plate which is obliquely arranged, the guide plate is arranged below the baffle, and one side, away from the siphon, of the guide plate is abutted to the inner wall of the shell.

Preferably, the lower end of the siphon tube in the housing is at a lower level than the siphon tube in the reservoir.

Preferably, the side wall of the shell is provided with an observation port, and transparent glass is embedded in the observation port.

Preferably, the lateral wall of heat pipe inlays and is equipped with a plurality of heat conduction strips that encircle the setting, and the material of heat conduction strip is galvanized copper.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of fuel cell energy recuperation system through the cooperation that sets up inside phase transition coolant liquid and heat pipe, with heat conduction to hot built-in to carry out the coolant liquid circulation through the siphon, utilize the cooling arrangement to generate electricity when reducing the energy consumption of cooling arrangement.

2. This kind of fuel cell energy recuperation system through setting up fin and heat pipe, makes the pipeline that gets into in the steam machine fully give off the heat to promote the temperature of gas medium in the steam machine, improve thermal conversion efficiency.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the pipeline structure of the present invention;

fig. 4 is a schematic view of a large structure at a position a in the structure of the present invention.

In the figure: 1. cooling liquid; 2. a hot air engine; 3. a generator; 4. a housing; 5. a liquid storage tank; 6. air holes are formed; 7. a support; 8. a pipeline; 9. a siphon tube; 10. a baffle plate; 11. a heat sink; 12. a heat conducting pipe; 13. a heat conducting strip; 14. a baffle; 15. a viewing port; 16. and (4) releasing the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a fuel cell energy recovery system comprises a cooling liquid 1, a heat engine 2, a generator 3, and a housing 4, wherein a viewing port 15 is formed on a side wall of the housing 4, transparent glass is embedded in the viewing port 15, the water level in the housing 4 can be conveniently viewed through the viewing port 15 embedded with the transparent glass, the fuel cell is prevented from being overheated after the cooling liquid 1 is evaporated, the cooling liquid 1 is filled in the housing 4, the cooling liquid 1 can be distilled water or other liquid with large specific heat capacity and good thermal conductivity, a liquid storage tank 5 is fixedly connected to an inner wall of an upper end of the housing 4, an air vent 6 is formed on an upper surface of the liquid storage tank 5, a protective device such as a dust screen is embedded in the air vent 6, the cooling liquid 1 is prevented from being polluted, the upper surface of the housing 4 is fixedly connected with a lower surface of the heat engine 2, a support 7 is, the upper surface of the bracket 7 is fixedly connected with the generator 3, the driving end of the thermomotor 2 is fixedly connected with the generator 3, a vertically arranged pipeline 8 is inserted in the shell 4, the opening of the pipeline 8 positioned in the shell 4 is arranged close to the inner wall of the lower end of the shell 4, when the pressure in the shell 4 is large, the cooling liquid 1 can flow into the thermomotor 2 along the pipeline 8 and then enter the liquid storage tank 5, the pipeline 8 sequentially penetrates through the inner wall of the upper end of the shell 4, the upper surfaces of the thermomotor 2 and the liquid storage tank 5 and extends into the liquid storage tank 5, the siphon 9 is inserted in the side wall of the liquid storage tank 5, the siphon 9 penetrates through the liquid storage tank 5 and extends into the shell 4, the horizontal position of the lower end of the siphon 9 positioned in the shell 4 is lower than the horizontal position of the siphon 9 positioned in the liquid storage tank, the one end of siphon 9 that is located shell 4 rotates through the pivot and is connected with baffle 10, the lateral wall of shell 4 inlays and is equipped with relief valve 16, and relief valve 16 and the upper end lateral wall fixed connection of baffle 10, the guide plate 14 that the lower extreme fixedly connected with slope of the siphon 9 that is located shell 4 set up, guide plate 14 is located the below setting of baffle 10, and one side that siphon 9 was kept away from to guide plate 14 offsets with the inner wall of shell 4 and sets up, can make coolant liquid 1 flow back like in shell 4 along the inner wall of shell 4 through setting up guide plate 14, avoid 1 department of coolant liquid to splash everywhere, make the temperature distribution of coolant liquid 1 uneven.

Example 2

Based on embodiment 1, as shown in fig. 4, there are a plurality of fins 11 on the side wall of the pipeline 8 located in the heat engine 2, and the fins 11 penetrate through the pipeline 8 and extend into the pipeline 8, a heat pipe 12 is fixedly connected between the fins 11, a plurality of heat conduction strips 13 surrounding the heat pipe 12 are embedded in the side wall of the heat pipe 12, and the heat conduction strips 13 are made of galvanized copper, so that the heat conduction area can be further increased by actually forming the heat conduction strips 13, and the heat exchange efficiency is increased.

The working principle is as follows: when the fuel cell generates electricity during operation, the fuel cell generates extra heat energy, the housing 4 is arranged as a heat dissipation device of the fuel cell, after the fuel cell generates heat, the cooling liquid 1 in the housing 4 is heated to raise the temperature, and the air in the housing 4 is heated to raise the temperature, due to the phenomenon of thermal expansion and cold contraction, the cooling liquid 1 and the air are heated to expand, the pressure in the housing 4 is increased, finally the cooling liquid 1 flows into the heat engine 2 along the pipeline 8, the pipeline 8 in the heat engine 2 is internally provided with the heat conduction pipe 12 and the heat conduction strip 13, the contact area of the heat conduction device of the cooling liquid 1 can be increased by the heat conduction pipe 12 matching with the heat conduction strip 13, the conduction efficiency is improved, the heat of the cooling liquid 1 is fully dissipated and heats the gas medium in the heat engine 2, the heat engine 2 operates and drives the generator 3 to generate electricity, then the cooling liquid 1 after heat dissipation enters the liquid storage, because the siphon 9 is arranged in the liquid storage tank 5, the cooling liquid 1 in the liquid storage tank 5 is gathered, the liquid level of the cooling liquid 1 overflows the uppermost end of the siphon 9, at the moment, the cooling liquid 1 in the liquid storage tank 5 pushes the baffle 10 open along the siphon 9 and drives the pressure release valve 16, at the moment, the pressure in the shell 4 is released, the cooling liquid 1 completely flows back into the shell 4 under the action of siphon, at the moment, the pressure in the shell 4 is lower, the cooling liquid 1 cannot continuously flow into the liquid storage tank 5 along the pipeline 8, the baffle 10 returns to the initial position after the cooling liquid 1 in the liquid storage tank 5 completely flows back into the shell 4, the pressure release valve 16 is closed, then the pressure in the shell 4 continuously rises and forms circulation, and the thermomotor 2 is driven to operate while the fuel cell is continuously cooled, so that the generator 3 generates electricity by.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fuel cell energy recovery system comprises a cooling liquid (1), a thermomotor (2), a generator (3) and a shell (4);

the method is characterized in that:

the utility model discloses a solar water heater, including shell (4), shell (4) intussuseption is filled with coolant liquid (1), the upper end inner wall fixedly connected with liquid storage pot (5) of shell (4), and the upper surface of liquid storage pot (5) has seted up bleeder vent (6), the upper surface of shell (4) is connected with the lower fixed surface of heat engine (2), the upper end fixed surface of shell (4) is connected with support (7), and the upper surface and generator (3) fixed connection of support (7), the drive end and generator (3) fixed connection of heat engine (2), shell (4) interpolation is equipped with vertical setting's pipeline (8), and pipeline (8) run through the upper end inner wall of shell (4), heat engine (2) and liquid storage pot (5) in proper order and extend to set up in liquid storage pot (5), the lateral wall of liquid storage pot (5) is inserted and is equipped with siphon (9), and siphon (9) run through liquid storage pot (5) and extend to set up in, the siphon device is characterized in that one end of the siphon (9) positioned in the shell (4) is rotatably connected with a baffle (10) through a rotating shaft, a pressure release valve (16) is embedded in the side wall of the shell (4), and the pressure release valve (16) is fixedly connected with the side wall of the upper end of the baffle (10).

2. A fuel cell energy recovery system according to claim 1, wherein: be located heat engine (2) the both sides lateral wall of pipeline (8) has a plurality of fin (11), and fin (11) run through pipeline (8) and extend to the pipeline (8) and set up in, fixedly connected with heat pipe (12) between fin (11).

3. A fuel cell energy recovery system according to claim 1, wherein: the lower end of the siphon (9) in the shell (4) is fixedly connected with a guide plate (14) which is obliquely arranged, the guide plate (14) is arranged below the baffle (10), and one side, away from the siphon (9), of the guide plate (14) is abutted to the inner wall of the shell (4).

4. A fuel cell energy recovery system according to claim 1, wherein: the horizontal position of the lower end of the siphon (9) in the shell (4) is lower than that of the siphon (9) in the liquid storage tank (5).

5. A fuel cell energy recovery system according to claim 1, wherein: an observation port (15) is formed in the side wall of the shell (4), and transparent glass is embedded in the observation port (15).

6. A fuel cell energy recovery system according to claim 2, wherein: the lateral wall of heat pipe (12) inlays and is equipped with a plurality of heat conduction strips (13) that encircle the setting, and the material of heat conduction strip (13) is galvanized copper.