CN115700940A - Pure hydrogen SOFC power generation pipeline system - Google Patents
Pure hydrogen SOFC power generation pipeline system Download PDFInfo
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- CN115700940A CN115700940A CN202211216142.2A CN202211216142A CN115700940A CN 115700940 A CN115700940 A CN 115700940A CN 202211216142 A CN202211216142 A CN 202211216142A CN 115700940 A CN115700940 A CN 115700940A
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- power generation
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- pure hydrogen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
In order to solve the problem of inconsistent hydrogen pressure among a plurality of series-connected galvanic piles in the prior art, the invention provides a pure hydrogen SOFC power generation pipeline system, which adopts the technical scheme that the pure hydrogen SOFC power generation pipeline system comprises a pure hydrogen storage component and a box body, wherein a first power generation component and a second power generation component are arranged in the box body, the first power generation component and the second power generation component are distributed in the box body in an up-and-down arrangement mode, an air outlet of the pure hydrogen storage component is connected with a main pipeline, one end of the main pipeline is connected with a first spiral pipe and a second spiral pipe, one end of the first spiral pipe is connected with the first power generation component, the second spiral pipe is connected with the second power generation component, and the expansion length of the first spiral pipe is equal to that of the second spiral pipe. According to the invention, by designing the spiral pipe structures with the same expansion length, the flowing distances of hydrogen to the first power generation component and the second power generation component in the pipeline are kept consistent, so that the pressure stability of the hydrogen can be ensured, and the consistency of electric energy conversion is improved.
Description
Technical Field
The invention belongs to the technical field of solid oxide fuel cells, and particularly relates to a pure hydrogen SOFC power generation pipeline system.
Background
The Solid Oxide Fuel Cell (SOFC) can directly convert the chemical energy of the fuel into electric energy through electrochemical reaction, the products are water and carbon dioxide, and the solid oxide fuel cell has the advantages of high power generation efficiency, safety and environmental protection, wide fuel selection and high waste heat utilization rate, and becomes a new generation energy technology capable of changing the modern energy power generation mode.
When pure hydrogen is adopted for power generation, chemical energy is directly converted into electric energy through the fuel cell, so that the loss of intermediate conversion can be effectively avoided, the power generation efficiency is very high, and the practicability is higher. But in actual power generation process, hydrogen generally need be connected with a plurality of galvanic piles, the structure of current hydrogen for series connection in proper order of transport between a plurality of galvanic piles generally, like this along with the flow of hydrogen, its pressure has certain decay, and then the galvanic pile hydrogen pressure at rear can be less than the hydrogen pressure in the place ahead, cause electric energy conversion's nonconformity, and in adopting hydrogen power generation process, inconvenient adoption pressurized equipment pressurizes in order to guarantee the uniformity of required hydrogen pressure in the different galvanic piles to hydrogen.
Disclosure of Invention
In order to solve the problem of inconsistent hydrogen pressure among a plurality of series-connected galvanic piles in the prior art, the invention provides a pure hydrogen SOFC power generation pipeline system.
The invention provides a pure hydrogen SOFC power generation pipeline system, which comprises a pure hydrogen storage component and a box body, wherein at least a first power generation component and a second power generation component are arranged in the box body, the first power generation component and the second power generation component are distributed in the box body in an up-and-down arrangement mode, an air outlet of the pure hydrogen storage component is connected with a main pipeline, one end of the main pipeline is connected with a first spiral pipe and a second spiral pipe, one end of the first spiral pipe is connected with the first power generation component, the second spiral pipe is connected with the second power generation component, and the expansion length of the first spiral pipe is equal to that of the second spiral pipe. The structure that adopts first spiral pipe and second spiral pipe, the degree of curvature and the uniformity of length of convenient control pipeline, and then can guarantee that its route that flows is roughly the same in the hydrogen in the pipeline in transportation process, have guaranteed the uniformity of hydrogen pressure when reacing first power generation part and second power generation part, can effectively improve the stability of the hydrogen pressure of different galvanic pile power generation in-process, and then can improve electric energy conversion's uniformity effectively.
Preferably, the first power generation component includes a first air inlet annular pipe, a first exhaust annular pipe and a first stack, the first air inlet annular pipe and the first exhaust annular pipe are of a concentric ring structure, the first exhaust annular pipe is located outside the first air inlet annular pipe, the number of the first stacks is provided with a plurality of first stacks, the first stacks are circumferentially distributed on the outer side of the first air inlet annular pipe, one end of each first stack is connected with the first air inlet annular pipe through a pipeline, and the other end of each first stack is connected with the first exhaust annular pipe. The first power generation component adopts the structural design of the inner ring and the outer ring, so that the whole occupied area can be reduced, the arrangement is convenient, in the using process, hydrogen is supplied to the multiple electric piles through the first air inlet annular pipe, the pressure of the hydrogen reaching the multiple first electric piles which are distributed circumferentially is basically consistent, in addition, through the design of the first exhaust annular pipe, the tail gas generated in the electric energy conversion process by the multiple first electric piles can be subjected to centralized treatment and centralized emission, and the compactness of the whole structure can be effectively improved.
Preferably, one end of the first spiral pipe is located at the center of the first air inlet annular pipe and is communicated with the first air inlet annular pipe through a plurality of first pipelines uniformly distributed on the circumference. The gas outlet setting of first spiral pipe is put at the central point of first annular pipe that admits air, and when it was connected through first pipeline and first annular pipe that admits air like this, its distance that reachs a plurality of different positions in the first annular pipe that admits air is unanimous (for the radius of first annular pipe that admits air), can effectively guarantee hydrogen pressure's invariant like this.
Preferably, the first exhaust annular pipe is provided with an exhaust pipe, and one end of the exhaust pipe extends out of the box body. Through the design of blast pipe, can concentrate the tail gas that a plurality of first galvanic piles produced at the electric energy conversion in-process and discharge, the convenient processing to tail gas.
Preferably, the second power generation part includes second air inlet annular pipe, second exhaust annular pipe and second galvanic pile, second air inlet annular pipe and second exhaust annular pipe are concentric ring structure and second exhaust annular pipe and are located the outside of second air inlet annular pipe, the quantity of second galvanic pile is equipped with a plurality ofly and the circumference distributes in the outside of second air inlet annular pipe, the one end and the second air inlet annular pipe of second galvanic pile pass through the pipe connection, the other end and the second exhaust annular union coupling of second galvanic pile.
Preferably, one end of the second spiral pipe is located at the center of the second air inlet annular pipe and is communicated with the second air inlet annular pipe through a plurality of second pipelines which are uniformly distributed on the circumference.
Preferably, the second exhaust annular pipe is provided with an exhaust pipe, and one end of the exhaust pipe extends out of the box body.
The first power generation component and the second power generation component are arranged up and down in the box body, and are equivalent to a two-layer structure, so that the volume of the box body is reasonably utilized, the galvanic piles (the first galvanic pile and the second galvanic pile) are conveniently arranged in a limited space as much as possible, the power generation efficiency can be improved, the floor area of the whole power generation equipment can be reduced due to the design, the space in the height direction is effectively utilized, the arrangement of hydrogen input pipelines is facilitated, the pipelines are conveniently and intensively arranged, and the compactness of the whole structure is improved.
Preferably, be equipped with the mounting bracket that equals with the number of the power generation part quantity in the box, be sliding connection between mounting bracket and the box, the mounting bracket includes that supporting sleeve, braced frame, pile place the chamber, braced frame installs and is connected in braced sleeve's inside and with braced sleeve's inside wall, braced frame is last to be equipped with the cavity is placed to the pile. Through the design of the mounting frame, the first power generation component and the second power generation component can be conveniently mounted in the box body and taken out of the box body for maintenance, and damage to a pipeline or equipment of the power generation component is avoided in the mounting or maintenance process.
Preferably, the inner side wall of the box body is provided with a sliding groove, and the outer side wall of the supporting sleeve is provided with a sliding block which is embedded and connected in the sliding groove in a sliding manner. Can inject the position of mount in the box like this, avoid installing or overhauing rocking of pulling out in-process mount.
Preferably, a plurality of local rings of circumference are provided on the lateral wall of the support sleeve. Be convenient for carry out the hook and promote, conveniently take out the mounting bracket and overhaul first power generation component and second power generation component.
In summary, the technical scheme of the invention at least has the following beneficial effects:
1. by arranging the first spiral pipe and the second spiral pipe, and the expansion length of the first spiral pipe is equal to that of the second spiral pipe, the pressure of different paths of hydrogen in the conveying process can be kept consistent, and the consistency of electric energy conversion of different galvanic piles is improved conveniently;
2. the consistency of hydrogen pressure can be further ensured by arranging the exhaust annular pipe and the air inlet annular pipe and connecting the first spiral pipe and the second spiral pipe with the central part of the air inlet annular pipe;
3. by arranging the exhaust annular pipe and the intake annular pipe (first or second), the occupied area of each power generation component can be reduced, facilitating installation;
4. through the installation structure of the double-layer power generation component, the space in the height direction of the box body can be effectively utilized, and the compactness of the whole structure is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of a spiral pipe of the present invention;
FIG. 3 is a schematic top view of the power generation component of the present invention;
FIG. 4 is a schematic sectional front view of the mounting bracket structure in the box body of the present invention;
FIG. 5 is a schematic top view of the structure of the mounting frame in the box body of the present invention.
In the figure: 1. a pure hydrogen storage component; 2. a box body; 3. a first spiral pipe; 4. a second spiral pipe; 5. a first annular air inlet pipe; 6. a first annular exhaust pipe; 7. a first stack; 8. an exhaust pipe; 9. a second annular air inlet pipe; 10. a second exhaust annular pipe; 11. a second stack; 12. a mounting frame; 1201. a support sleeve; 1202. a support frame; 1203. a galvanic pile placing cavity; 13. a lifting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a pure hydrogen SOFC power generation pipeline system, which comprises a pure hydrogen storage part 1 and a box body 2, wherein the pure hydrogen storage part 1 is used for storing hydrogen with certain pressure, in the power generation process, the hydrogen with certain pressure in the pure hydrogen storage part 1 is conveyed to a stack through a pipeline for electric energy conversion, the box body 2 is used for mounting a power generation part, and the box body 2 is at least internally provided with a first power generation part and a second power generation part which are distributed in the box body 2 in an up-and-down arrangement manner, so that the space in the internal vacancy direction of the box body 2 can be fully utilized, and the floor area of the box body 2 is reduced; wherein pure hydrogen stores the gas outlet of part 1 and is connected with the trunk line (general pure hydrogen stores part 1 only has a gas outlet), and the one end of trunk line is connected with first spiral pipe 3 and second spiral pipe 4, and first spiral pipe 3 and second spiral pipe 4 connect the same position on the trunk line, and when hydrogen in the trunk line reachd this position, can shunt like this, make hydrogen flow to different power generation parts through the pipeline of difference. Wherein one end of the first spiral pipe 3 is connected with the first power generation member, the second spiral pipe 4 is connected with the second power generation member, and the development length of the first spiral pipe 3 is equal to that of the second spiral pipe 4. The structure of the first spiral pipe 3 and the second spiral pipe 4 is adopted, the bending degree of the pipeline and the consistency of the length are conveniently controlled, the path of hydrogen in the pipeline flowing in the conveying process is approximately the same, the consistency of the pressure of the hydrogen when the hydrogen reaches the first power generation component and the second power generation component is guaranteed, the stability of the hydrogen pressure in the power generation processes of different galvanic piles can be effectively improved, and the consistency of electric energy conversion can be effectively improved.
One embodiment of the first power generation component of the present invention includes a first air inlet ring pipe 5, a first air outlet ring pipe 6 and a first stack 7, wherein the first air inlet ring pipe 5 and the first air outlet ring pipe 6 are in a concentric ring structure, the first air outlet ring pipe 6 is located outside the first air inlet ring pipe 5, a plurality of first stacks 7 are provided and circumferentially distributed outside the first air inlet ring pipe 5, one end of the first stack 7 is connected with the first air inlet ring pipe 5 through a pipeline, and the other end of the first stack 7 is connected with the first air outlet ring pipe 6. The first power generation component adopts the structural design of an inner ring and an outer ring, and a multilayer concentric ring structure is integrally formed, so that the whole occupied area can be reduced, the arrangement is convenient, in the use process, hydrogen is supplied to a plurality of galvanic piles simultaneously through the first air inlet annular pipe 5, the pressure of the hydrogen reaching a plurality of first galvanic piles 7 distributed circumferentially is basically consistent, in addition, through the design of the first air outlet annular pipe 6, the tail gas generated in the electric energy conversion process of the plurality of first galvanic piles 7 can be subjected to centralized treatment and centralized emission, and the compactness of the whole structure can be effectively improved.
In order to further ensure the pressure stability when the hydrogen reaches each first electric pile 7, one end of the first spiral pipe 3 in the invention is positioned at the central position of the first air inlet annular pipe 5 and is communicated with the first air inlet annular pipe 5 through a plurality of first pipelines which are uniformly distributed on the circumference. The gas outlet of the first spiral pipe 3 is arranged at the center of the first gas inlet annular pipe 5, so that when the gas outlet is connected with the first gas inlet annular pipe 5 through the first pipeline, the distances from the gas outlet to a plurality of different positions in the first gas inlet annular pipe 5 are consistent (the distances are the radius of the first gas inlet annular pipe 5), and the constancy of the hydrogen pressure can be effectively ensured.
In order to facilitate the same emission of tail gas generated in the power generation process, the first exhaust annular pipe 6 is provided with an exhaust pipe 8, and one end of the exhaust pipe 8 extends out of the box body 2. Through the design of blast pipe 8, can carry the same concentration of tail gas that produces in the electric energy conversion process of a plurality of first galvanic piles 7 in first exhaust ring 6, the convenient processing to tail gas.
The second power generation component in the present invention has a structure similar to that of the first power generation component mentioned above, and includes a second air inlet annular pipe 9, a second air outlet annular pipe 10, and a second stack 11, where the second air inlet annular pipe 9 and the second air outlet annular pipe 10 are in a concentric ring structure, the second air outlet annular pipe 10 is located outside the second air inlet annular pipe 9, the number of the second stacks 11 is multiple and is circumferentially distributed outside the second air inlet annular pipe 9, one end of the second stack 11 is connected to the second air inlet annular pipe 9 through a pipeline, and the other end of the second stack 11 is connected to the second air outlet annular pipe 10. One end of the second spiral pipe 4 is positioned at the central position of the second air inlet annular pipe 9 and is communicated with the second air inlet annular pipe 9 through a plurality of second pipelines which are uniformly distributed on the circumference. An exhaust pipe 8 is arranged on the second exhaust annular pipe 10, and one end of the exhaust pipe 8 extends out of the box body 2.
The first power generation component and the second power generation component are arranged up and down in the box body 2, which is equivalent to a two-layer structure, so that the volume of the box body 2 is reasonably utilized, the stacks (the first stack 7 and the second stack 11) can be conveniently arranged in a limited space as much as possible, the power generation efficiency can be improved, the design can reduce the occupied area of the whole power generation equipment, the space in the height direction is effectively utilized, the arrangement of a hydrogen input pipeline is convenient, the pipeline is conveniently and intensively arranged, the compactness of the whole structure is improved, the second spiral pipe 4 and the second power generation component penetrate through the first power generation component when being connected, and the first spiral pipe 3 and the second spiral pipe 4 are integrally arranged at the positions, close to the centers, of the first power generation component and the second power generation component, the installation of pipe fittings is convenient, and the hydrogen is improved.
In order to facilitate installation of the power generation components, the number of the installation frames 12 equal to the number of the power generation components are arranged in the box body 2, the installation frames 12 are in sliding connection with the box body 2, each installation frame 12 comprises a support sleeve 1201, a support frame 1202 and a pile placement cavity 1203, the support frame 1202 is installed in the support sleeve 1201 and is connected with the inner side wall of the support sleeve 1201, and the support frame 1202 is provided with the pile placement cavity 1203. Through design mounting bracket 12, be convenient for to installation in box 2 and take out from box 2 and overhaul first power generation component and second power generation component, avoid the damage that causes pipeline or the equipment of power generation component itself that causes at installation or overhaul the in-process.
In order to realize the sliding connection between the mounting frame 12 and the box body 2, the inner side wall of the box body 2 is provided with a sliding groove, wherein the outer side wall of the supporting sleeve 1201 is provided with a sliding block which is embedded and is connected in the sliding groove in a sliding manner. Therefore, the position of the mounting frame 12 in the box body 2 can be limited, and the mounting frame 12 is prevented from shaking during installation or maintenance and pulling-out.
In order to facilitate the lifting of the power generating components during installation and maintenance, the outer side wall of the support sleeve 1201 according to the invention is provided with a plurality of lifting rings 13 which are part-circumferentially. Be convenient for carry out the hook promotion, conveniently take out mounting bracket 12 and overhaul first power generation component and second power generation component.
When the hydrogen pressure constant spiral pipe is used, the number of the power generation components can be designed into three or four components which are arranged up and down according to the needs, and in order to ensure the constant hydrogen pressure, the structure of the spiral pipe is designed correspondingly.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The pure hydrogen SOFC power generation pipeline system is characterized by comprising a pure hydrogen storage component and a box body, wherein at least a first power generation component and a second power generation component are arranged in the box body, the first power generation component and the second power generation component are distributed in the box body in an up-and-down arrangement mode, a main pipeline is connected to an air outlet of the pure hydrogen storage component, a first spiral pipe and a second spiral pipe are connected to one end of the main pipeline, one end of the first spiral pipe is connected with the first power generation component, the second spiral pipe is connected with the second power generation component, and the expansion length of the first spiral pipe is equal to that of the second spiral pipe.
2. The pure hydrogen SOFC power generation pipeline system according to claim 1, wherein the first power generation component comprises a first air inlet annular pipe, a first air outlet annular pipe and a first stack, the first air inlet annular pipe and the first air outlet annular pipe are of a concentric ring structure, the first air outlet annular pipe is positioned outside the first air inlet annular pipe, the number of the first stack is multiple, the first stack is distributed on the outer side of the first air inlet annular pipe in a circumferential mode, one end of the first stack is connected with the first air inlet annular pipe through a pipeline, and the other end of the first stack is connected with the first air outlet annular pipe.
3. The pipeline system for power generation of pure hydrogen SOFC according to claim 2, wherein one end of the first spiral pipe is located at the center of the first annular air inlet pipe and is communicated with the first annular air inlet pipe through a plurality of first pipelines distributed uniformly around the circumference.
4. The pipeline system for power generation of pure hydrogen SOFC as claimed in claim 2 or 3, wherein the first exhaust ring pipe is provided with an exhaust pipe, and one end of the exhaust pipe extends out of the box body.
5. The pure hydrogen SOFC power generation pipeline system according to claim 1, wherein the second power generation component comprises a second air inlet annular pipe, a second air outlet annular pipe and a second electric pile, the second air inlet annular pipe and the second air outlet annular pipe are of a concentric ring structure, the second air outlet annular pipe is positioned outside the second air inlet annular pipe, the number of the second electric piles is multiple, the second electric piles are distributed on the outer side of the second air inlet annular pipe in a circumferential mode, one end of the second electric pile is connected with the second air inlet annular pipe through a pipeline, and the other end of the second electric pile is connected with the second air outlet annular pipe.
6. The pipeline system for power generation of pure hydrogen SOFC as claimed in claim 5, wherein one end of said second spiral pipe is located at the center of said second annular air inlet pipe and is connected to the second annular air inlet pipe through a plurality of second pipes distributed uniformly around the circumference.
7. The pipeline system for pure hydrogen SOFC power generation according to claim 5 or 6 is characterized in that an exhaust pipe is arranged on the second annular exhaust pipe, and one end of the exhaust pipe extends out of the box body.
8. The pure hydrogen SOFC power generation pipeline system according to claim 1, wherein the box body is internally provided with mounting frames with the number equal to that of the power generation parts, the mounting frames are connected with the box body in a sliding manner, each mounting frame comprises a supporting sleeve, a supporting frame and a pile placement cavity, the supporting frame is mounted inside the supporting sleeve and connected with the inner side wall of the supporting sleeve, and the pile placement cavity is arranged on the supporting frame.
9. The power generation pipeline system for the pure hydrogen SOFC as claimed in claim 8, wherein the inner side wall of the box body is provided with a sliding groove, and the outer side wall of the supporting sleeve is provided with a sliding block which is embedded and connected in the sliding groove in a sliding manner.
10. The pipeline system for pure hydrogen SOFC power generation according to claim 8, wherein the outer side wall of the support sleeve is provided with a plurality of local rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216142.2A CN115700940A (en) | 2022-09-30 | 2022-09-30 | Pure hydrogen SOFC power generation pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216142.2A CN115700940A (en) | 2022-09-30 | 2022-09-30 | Pure hydrogen SOFC power generation pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115700940A true CN115700940A (en) | 2023-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211216142.2A Pending CN115700940A (en) | 2022-09-30 | 2022-09-30 | Pure hydrogen SOFC power generation pipeline system |
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| Country | Link |
|---|---|
| CN (1) | CN115700940A (en) |
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2022
- 2022-09-30 CN CN202211216142.2A patent/CN115700940A/en active Pending
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