CN211929637U

CN211929637U - Tubular fuel cell

Info

Publication number: CN211929637U
Application number: CN202020383167.1U
Authority: CN
Inventors: 彭文财; 左晨东
Original assignee: Suzhou Guolv New Material Technology Co ltd
Current assignee: Suzhou Guolv New Material Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-13
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a tubular fuel cell, which comprises a shell, a plurality of cell tubes and a top cover with a gas inlet, wherein the bottom of the shell is provided with a plurality of cathode exhaust ports, the top cover is arranged at the top of the shell, and one end of each cell tube is a sealing end; an anode exhaust cavity is formed between the battery tube fixing disc and the vent pipe fixing disc, the open end of the battery tube is positioned in the anode exhaust cavity, an anode exhaust pipe is sequentially embedded into the anode exhaust ports of the top cover and the vent pipe fixing disc so as to be communicated with the anode exhaust cavity, and a lighting pipe penetrates through the shell and is communicated with the cavity. The utility model discloses each air current alternate segregation, no air current is alternately, has both reduced high temperature work position seal structure quantity, has reduced the gas leakage risk, and the gaseous reverse flow of positive pole business turn over also is favorable to improving reaction contact time, and the generating efficiency is high.

Description

Tubular fuel cell

Technical Field

The utility model relates to a fuel cell field especially relates to a tubular fuel cell.

Background

A tubular Fuel Cell (SOFC) belongs to the third-generation Fuel Cell and is an all-Solid-state chemical power generation device which can directly convert chemical energy stored in Fuel and oxidant into electric energy at medium and high temperature with high efficiency and environmental friendliness.

SOFCs have high power density with greater energy output at the same volume/weight; the SOFC has no noise and pollution, only generates chemical reaction when in work, has no mechanical movement structure, and has water as main emission; the modularized cell pack can be modularized, and a plurality of single cells can be assembled into the cell pack in series, parallel and the like to adapt to application requirements of different scenes; the available fuels are various and easy to obtain, and hydrogen, hydrocarbon (methane), methanol and the like can be directly used as fuels without using noble metals as catalysts; all solid-state structure, no pollutant leakage risk.

Disclosure of Invention

The utility model aims at providing a tubular fuel cell, each air current alternate segregation of this tubular fuel cell, no air current is alternately, has both reduced high temperature work position seal structure quantity, has reduced the gas leakage risk, and the positive pole adopts business turn over air current reverse flow, existing being favorable to improving reaction contact time, the generating efficiency is high, make full use of energy in the positive pole tail gas, progressively preheat reacting gas before the reaction, avoided cold and hot impact, make the thermal efficiency and the life height of battery.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a tubular fuel cell comprises a shell, a plurality of cell tubes and a top cover with a fuel gas inlet, wherein the bottom of the shell is provided with a plurality of cathode exhaust ports, the top cover is arranged at the top of the shell, one end of each cell tube is a sealed end, the other end of each cell tube is an open end, the plurality of cell tubes are respectively embedded into first through holes corresponding to a cell tube fixing disc, a cavity is formed between the shell and the cell tube fixing disc, the sealed ends of the plurality of cell tubes are positioned in the cavity, one ends of a plurality of breather tubes with openings at two ends are respectively embedded into the bottoms of the cell tubes, and the other ends of the breather tubes are respectively embedded into second through holes corresponding to a breather tube fixing disc;

an anode exhaust cavity is formed between the battery tube fixing disc and the vent pipe fixing disc, the open end of the battery tube is positioned in the anode exhaust cavity, an anode exhaust pipe is sequentially embedded into the anode exhaust ports of the top cover and the vent pipe fixing disc so as to be communicated with the anode exhaust cavity, and a lighting pipe penetrates through the shell and is communicated with the cavity.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the shell is circular.

2. In the above scheme, the plurality of cell tubes are arranged in a circular array.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses tubular fuel cell, its battery pipe one end is sealed end, the other end is the open end, a plurality of battery pipe imbeds a battery pipe fixed disk respectively, the bottom of battery pipe is imbedded respectively to a plurality of both ends open-ended breather pipe one end, the mode of single-end sealed battery pipe with the structure of breather pipe and single-end business turn over gas has been adopted, both reduced high temperature work position seal structure quantity, reduced the gas leakage risk, and positive pole business turn over gas reverse flow, existing be favorable to improving reaction contact time, the generating efficiency is high, also progressively preheat the gas in the breather pipe before the reaction, cold and hot impact has been avoided, make the thermal efficiency and the life of battery high; and an anode exhaust cavity is formed between the battery tube fixing disc and the vent pipe fixing disc, the open end of the battery tube is positioned in the anode exhaust cavity, and an anode exhaust pipe is sequentially embedded into respective anode exhaust ports of the top cover and the vent pipe fixing disc so as to be communicated with the anode exhaust cavity, so that the anode exhaust pipe can be uniformly preheated by fully utilizing the energy of anode tail gas.

Drawings

FIG. 1 is a schematic structural diagram of a tubular fuel cell of the present invention;

FIG. 2 is a schematic diagram of a partially exploded structure of a tubular fuel cell according to the present invention;

FIG. 3 is a schematic diagram of an exploded structure of the tubular fuel cell of the present invention;

fig. 4 is a partial schematic view of fig. 3.

In the above drawings: 1. a housing; 101. a cathode exhaust port; 102. a cathode gas inlet; 3. a battery tube; 31. sealing the end; 32. an open end; 4. a top cover; 41. a gas inlet; 5. a battery tube fixing disc; 51. a first through hole; 6. a cavity; 7. a breather pipe; 71. an opening; 8. a breather pipe fixing disc; 81. a second through hole; 9. an anode exhaust cavity; 10. an anode exhaust pipe; 11. an anode exhaust port; 15. an anode exhaust port.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a tubular fuel cell comprises a shell 1, a plurality of cell tubes 3 and a top cover 4 with a fuel gas inlet 41, wherein the bottom of the shell 1 is provided with a plurality of cathode exhaust ports 101, the top cover 4 is arranged at the top of the shell 1, one end of each cell tube 3 is a sealed end 31, the other end of each cell tube 3 is an open end 32, the cell tubes 3 are respectively embedded into first through holes 51 corresponding to a cell tube fixing disc 5, a cavity 6 is formed between the shell 1 and the cell tube fixing disc 5, the sealed ends 31 of the cell tubes 3 are positioned in the cavity 6, one ends of vent tubes 7 with openings 71 at two ends are respectively embedded into the bottom of the cell tubes 3, and the other ends of the vent tubes 7 are respectively embedded into second through holes 82 corresponding to a vent tube fixing disc 8;

an anode exhaust cavity 9 is formed between the battery tube fixing disc 5 and the vent pipe fixing disc 8, the open end 32 of the battery tube 3 is positioned in the anode exhaust cavity 9, an anode exhaust pipe 10 is sequentially embedded into the top cover 4 and the anode exhaust port 11 of the vent pipe fixing disc 8 so as to be communicated with the anode exhaust cavity 9, and a lighting pipe 15 penetrates through the shell 1 and is communicated with the cavity.

Example 2: a tubular fuel cell comprises a shell 1, a plurality of cell tubes 3 and a top cover 4 with a fuel gas inlet 41, wherein the bottom of the shell 1 is provided with a plurality of cathode exhaust ports 101, the top cover 4 is arranged at the top of the shell 1, one end of each cell tube 3 is a sealed end 31, the other end of each cell tube 3 is an open end 32, the cell tubes 3 are respectively embedded into first through holes 51 corresponding to a cell tube fixing disc 5, a cavity 6 is formed between the shell 1 and the cell tube fixing disc 5, the sealed ends 31 of the cell tubes 3 are positioned in the cavity 6, one ends of vent tubes 7 with openings 71 at two ends are respectively embedded into the bottom of the cell tubes 3, and the other ends of the vent tubes 7 are respectively embedded into second through holes 82 corresponding to a vent tube fixing disc 8;

The housing 1 is circular.

The plurality of battery tubes 3 are arranged in a circular array.

When the tubular fuel cell is adopted, the structure of the single-head closed cell tube with the vent pipe and the mode of single-head gas inlet and outlet are adopted, so that the number of sealing structures at a high-temperature working part is reduced, the risk of gas leakage is reduced, the anode gas inlet and outlet flow in reverse directions, the reaction contact time is favorably improved, the power generation efficiency is high, the gas in the vent pipe is gradually preheated before reaction, the cold and hot impact is avoided, and the thermal efficiency and the service life of the cell are high; in addition, the method is favorable for uniformly preheating the air inlet pipe by fully utilizing the energy of the anode tail gas.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A tubular fuel cell, characterized by: comprises a shell (1), a plurality of battery tubes (3) and a top cover (4) with a fuel gas inlet (41), the bottom of the shell (1) is provided with a plurality of cathode exhaust ports (101), the top cover (4) is arranged at the top of the shell (1), one end of each battery tube (3) is a sealed end (31), the other end of each battery tube is an open end (32), a plurality of battery tubes (3) are respectively embedded into first through holes (51) corresponding to battery tube fixing discs (5), a cavity (6) is formed between the shell (1) and the battery tube fixing disc (5), the sealing ends (31) of the plurality of battery tubes (3) are positioned in the cavity (6), one ends of the plurality of vent pipes (7) with openings (71) at two ends are respectively embedded into the bottom of the battery tubes (3), and the other ends of the plurality of vent pipes (7) are respectively embedded into second through holes (82) corresponding to the vent pipe fixing disc (8);

form an anode exhaust cavity (9) between battery pipe fixed disk (5) and breather pipe fixed disk (8), open end (32) of battery pipe (3) are located anode exhaust cavity (9), and an anode exhaust pipe (10) imbeds top cap (4), the respective positive pole gas vent (11) of breather pipe fixed disk (8) in proper order to with anode exhaust cavity (9) intercommunication, a lighter pipe (15) run through casing (1) and cavity intercommunication.

2. The tube fuel cell according to claim 1, characterized in that: the shell (1) is circular.

3. The tube fuel cell according to claim 1, characterized in that: the plurality of battery tubes (3) are arranged in a circular array.