CN210224181U

CN210224181U - Fuel supply device of solid oxide fuel cell

Info

Publication number: CN210224181U
Application number: CN201920181692.2U
Authority: CN
Inventors: Haizhou Zhang; 张海洲; Gui Chen; 陈桂; Xinping Mao; 毛新平
Original assignee: Huaihua University
Current assignee: Huaihua University
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2020-03-31
Anticipated expiration: 2029-01-26

Abstract

The utility model belongs to the fuel supply field especially discloses a solid oxide fuel cell's fuel feeding device, the following scheme is proposed at present, including battery case, battery case's internally mounted has fuel cell, the positive pole cover body is installed to fuel cell's positive pole end, the negative pole cover body is installed to fuel cell's negative pole end, the upper end of the positive pole cover body, the negative pole cover body all is connected with feed line, the lower tip of the positive pole cover body, the negative pole cover body all is connected with ejection of compact pipeline, feed line's the other end is connected at the discharge end of fuel jar, the other end of ejection of compact pipeline is connected with the circulating pump, the discharge end of circulating pump is connected with the connecting tube, the other end of connecting tube is connected at the feed end of fuel. The utility model discloses novel structure, design benefit can retrieve fuel, improves the utilization ratio of fuel, is fit for using widely.

Description

Fuel supply device of solid oxide fuel cell

Technical Field

The utility model relates to a fuel feeding technical field especially relates to a solid oxide fuel cell's fuel feeding device.

Background

A solid oxide fuel cell is a long term continuous operation power plant that requires continuous supply of gaseous fuel, the fuel comprising: anode fuel and cathode fuel. The anode fuel is hydrogen or hydrogen-rich gas (natural gas) as fuel. The cathode fuel is oxygen or air as fuel. The selection and development of gaseous fuels are important factors in determining the operating cost and market development of domestic solid oxide fuel cell power plants.

The fuel supply device of the prior art can not supply circulating fuel, and the fuel which is not fully utilized is wasted, therefore, the utility model provides a fuel supply device of a solid oxide fuel cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fuel supply device of a solid oxide fuel cell.

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

the utility model provides a solid oxide fuel cell's fuel feeding device, includes battery case, battery case's internally mounted has fuel cell, the positive pole cover body is installed to fuel cell's positive terminal, the negative pole cover body is installed to fuel cell's negative pole end, the upper end of the positive pole cover body, the negative pole cover body all is connected with charge-in pipeline, the lower tip of the positive pole cover body, the negative pole cover body all is connected with ejection of compact pipeline, charge-in pipeline's the other end is connected at the discharge end of fuel jar, the other end of ejection of compact pipeline is connected with the circulating pump, the discharge end of circulating pump is connected with the connecting tube, the feed end at the fuel jar is connected.

Preferably, the positive pole cover body and the negative pole cover body are internally provided with intermediate pipelines, the upper end of the intermediate pipeline is connected with the feeding pipeline, and the lower end of the intermediate pipeline is connected with the discharging pipeline.

Preferably, the outer wall of the middle pipeline positioned in the positive pole cover body is provided with positive pole feeding pipes at intervals.

Preferably, the outer wall of the middle pipeline positioned in the negative electrode cover body is provided with negative electrode feeding pipes at intervals.

Preferably, the positive electrode cover body is provided at both upper and lower ends thereof with positive electrode mounting portions, and the positive electrode mounting portions are fixed to the fuel cell by screws.

Preferably, the anode cover body is provided at both upper and lower ends thereof with anode mounting parts, and the anode mounting parts are fixed to the fuel cell by screws.

Preferably, a feeding check valve and a feeding control valve are arranged on the feeding pipeline.

Preferably, a discharge one-way valve and a discharge control valve are installed on the discharge pipeline.

Preferably, a vacuum gauge is arranged on the fuel tank, a feed-supplement pipeline is connected to the fuel tank, and a feed-supplement one-way valve and a feed-supplement control valve are installed on the feed-supplement pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the other end through charge-in pipeline connects the discharge end at the fuel jar, and the other end of discharge pipeline is connected with the circulating pump, and the discharge end of circulating pump is connected with the connecting tube, and the other end of connecting tube is connected at the feed end of fuel jar, and discharge pipeline can further retrieve the fuel that does not have make full use of, then utilizes the circulating pump to retrieve the fuel to the fuel jar in to can practice thrift the loss of fuel, the utility model discloses novel structure, design benefit can retrieve fuel, improves the utilization ratio of fuel, is fit for using widely.

Drawings

Fig. 1 is a schematic structural diagram of a fuel supply device of a solid oxide fuel cell according to the present invention.

Fig. 2 is a schematic structural diagram of a positive electrode cover in a fuel supply apparatus of a solid oxide fuel cell according to the present invention.

Fig. 3 is a schematic structural diagram of a negative electrode cover in a fuel supply apparatus of a solid oxide fuel cell according to the present invention.

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.

Referring to fig. 1-3, a fuel supply device for a solid oxide fuel cell, including a battery case 1, the internally mounted of the battery case 1 has a fuel cell 2, the positive pole cover 3 is installed at the positive pole end of the fuel cell 2, the negative pole cover 4 is installed at the negative pole end of the fuel cell 2, the positive pole cover 3, the upper end of the negative pole cover 4 all is connected with a feed pipe 5, the positive pole cover 3, the lower end of the negative pole cover 4 all is connected with a discharge pipe 6, the other end of the feed pipe 5 is connected at the discharge end of a fuel tank 12, the other end of the discharge pipe 6 is connected with a circulating pump 9, the discharge end of the circulating pump 9 is connected with a connecting pipe 10, and the other end of the.

In this embodiment, the positive cover body 3 and the negative cover body 4 are both provided with intermediate pipes inside, the upper ends of the intermediate pipes are connected with the feeding pipe 5, and the lower ends of the intermediate pipes are connected with the discharging pipe 6.

In the present embodiment, the positive electrode supply pipes 302 are provided at intervals on the outer wall of the intermediate duct located inside the positive electrode cover 3.

In the present embodiment, negative electrode supply pipes 402 are provided at intervals on the outer wall of the intermediate duct located in the negative electrode cover 4.

In the present embodiment, the positive electrode cover 3 is provided with positive electrode mounting portions 301 at both the upper and lower ends thereof, and the positive electrode mounting portions 301 are fixed to the fuel cell 2 by screws.

In the present embodiment, the negative electrode cover 4 is provided with negative electrode mounting portions 401 at both the upper and lower ends, and the negative electrode mounting portions 401 are fixed to the fuel cell 2 by screws.

In this embodiment, the feed line 5 is provided with a feed check valve 14 and a feed control valve 15.

In this embodiment, the discharge pipe 6 is provided with a discharge check valve 8 and a discharge control valve 7.

In the present embodiment, a vacuum gauge 11 is provided on a fuel tank 12, a feed line 13 is connected to the fuel tank 12, and a feed check valve 17 and a feed control valve 16 are provided on the feed line 13.

The utility model discloses when using, connect the discharge end at fuel jar 12 through the other end of charge-in pipeline 5, the other end of discharge pipeline 6 is connected with circulating pump 9, and circulating pump 9's discharge end is connected with connecting tube 10, and connecting tube 10's the other end is connected at the feed end of fuel jar 12, and discharge pipeline 6 can further retrieve the fuel that does not have make full use of, then utilizes circulating pump 9 to retrieve the fuel to fuel jar 12 in to can the loss of fuel saving, the utility model discloses novel structure, design benefit can retrieve the fuel, improves the utilization ratio of fuel, is fit for using widely.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fuel supply device of a solid oxide fuel cell comprises a cell shell (1), a fuel cell (2) is arranged in the cell shell (1), it is characterized in that the positive pole end of the fuel cell (2) is provided with a positive pole cover body (3), a negative pole cover body (4) is arranged at the negative pole end of the fuel cell (2), the upper end parts of the positive pole cover body (3) and the negative pole cover body (4) are both connected with a feeding pipeline (5), the lower end parts of the anode cover body (3) and the cathode cover body (4) are connected with a discharge pipeline (6), the other end of the feeding pipeline (5) is connected with the discharge end of the fuel tank (12), the other end of the discharge pipeline (6) is connected with a circulating pump (9), the discharge end of the circulating pump (9) is connected with a connecting pipeline (10), the other end of the connecting pipeline (10) is connected with the feeding end of the fuel tank (12).

2. The fuel supply device of the solid oxide fuel cell according to claim 1, wherein the positive electrode cover body (3) and the negative electrode cover body (4) are provided with intermediate pipes inside, the upper ends of the intermediate pipes are connected with a feeding pipe (5), and the lower ends of the intermediate pipes are connected with a discharging pipe (6).

3. A fuel supply apparatus for solid oxide fuel cell according to claim 2, wherein the outer wall of the intermediate pipe located inside the positive electrode housing (3) is provided with positive electrode supply pipes (302) at intervals.

4. A fuel supply apparatus for a solid oxide fuel cell according to claim 2, wherein the cathode supply pipe (402) is provided at intervals on an outer wall of the intermediate pipe in the cathode housing (4).

5. The fuel supply apparatus for solid oxide fuel cell according to claim 1, wherein the positive electrode cover (3) has positive electrode mounting portions (301) at both upper and lower ends thereof, and the positive electrode mounting portions (301) are fixed to the fuel cell (2) by screws.

6. The fuel supply apparatus for solid oxide fuel cell according to claim 1, wherein the negative electrode cover (4) has negative electrode mounting portions (401) at both upper and lower ends thereof, and the negative electrode mounting portions (401) are fixed to the fuel cell (2) by screws.

7. A fuel supply apparatus for a solid oxide fuel cell according to claim 1, wherein a feed check valve (14) and a feed control valve (15) are installed on the feed pipe (5).

8. The fuel supply device of the solid oxide fuel cell according to claim 1, wherein a discharge check valve (8) and a discharge control valve (7) are installed on the discharge pipe (6).

9. The fuel supply device of a solid oxide fuel cell according to claim 1, wherein a vacuum gauge (11) is provided on the fuel tank (12), a feed line (13) is connected to the fuel tank (12), and a feed check valve (17) and a feed control valve (16) are installed on the feed line (13).