Thermal component for solid oxide fuel cell system and preparation method thereof

A fuel cell system, solid oxide technology, applied in solid electrolyte fuel cells, fuel cell heat exchange, fuel cells, etc., can solve the problems of increasing system cost, large space, incomplete industrial chain, etc., to increase heat conduction efficiency , the effect of improving efficiency and reducing volume

Pending Publication Date: 2022-04-22
GUANGDONG INST OF NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the reformer, burner, heat exchanger, and steam generator are independently designed. When integrated in the combined heat and power system, the above components occupy a large amount of space, which is not conducive to the compactness of the combined heat and power system, and also increases system cost
In addition, the development of the solid oxi

Method used

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  • Thermal component for solid oxide fuel cell system and preparation method thereof
  • Thermal component for solid oxide fuel cell system and preparation method thereof
  • Thermal component for solid oxide fuel cell system and preparation method thereof

Examples

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Example

[0069] First embodiment

[0070] Please refer to Figure 1 , the present embodiment provides a thermal component 100 for a solid oxide fuel cell system, including a housing 200. In the present embodiment, the housing 200 is cylindrical in the middle, both ends are conical air bladder-like structures, in other embodiments the shell 200 may also be cylindrical, boxy, conical and the like. Housing 200 is made of metal, specifically Inconel 625.

[0071] The relative ends of the housing 200 are provided with an inlet 300 and an outlet 400, in the present embodiment the air inlet 300 is provided on the far left of the thermal member 100, the outlet 400 is disposed to the far right of the hot member 100. Wherein the air inlet 300 includes the first air inlet 310 and the second air inlet 320, the two air inlets and the cavity in a "V" shape connection. The confluence of the two air intakes in a "V" shape allows the two intakes to be mixed in advance, making the gas mixture more uniform. ...

Example

[0092] Second embodiment

[0093] The present embodiment provides a thermal member 100 for a solid oxide fuel cell system, the member is the same structure as the first embodiment, the difference is only in the preparation method is different, the specific preparation method is as follows:

[0094] Drawn by an electronic computer such as Figure 4 The thermal part 100 shown, the combustion reaction zone of the hot component 100 is not filled with porous materials, the model is sliced and converted, the two-dimensional slice path data with a layer thickness of 100 μm is obtained, the above path is imported into the selection laser sintered 3D printing device, and the Inconel 718 stainless steel raw powder is loaded into the printing chamber of the 3D printing device, the printing power is set to 100W, the scanning interval is 200μm, the scanning speed is 2000mm / s, and the layer thickness is 0.1mm. Close the printing chamber, perform automatic printing, and then place it at a tempera...

Example

[0095] Third embodiment

[0096] The present embodiment provides a thermal member 100 for a solid oxide fuel cell system, the member is substantially identical with the structure of the first embodiment, the difference is only that the structure of the reforming channel 710 is different from the structure of the first embodiment.

[0097] The structure of the reforming channel 710 in the present embodiment is referred to Figure 6 As shown, the reforming channel 710 of the present embodiment is a gradient solenoid,the position of the reforming channel 710 is still within the second heat exchange zone 520.

[0098] The preparation method of a thermal member 100 for a solid oxide fuel cell system provided in the present embodiment is as follows:

[0099] Drawn by an electronic computer such as Figure 1 The thermal member shown in 100, wherein the structure of the reforming channel 710 is as follows Figure 6 As shown, the model is sliced and converted, a two-dimensional slice path da...

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Abstract

The invention discloses a thermal component for a solid oxide fuel cell system and a preparation method thereof. The component comprises a shell, a first heat exchange area and a second heat exchange area, a first heat exchange channel used for carrying out dividing wall type heat exchange with the first heat exchange area and a second heat exchange channel used for carrying out dividing wall type heat exchange with the second heat exchange area are arranged in the shell, and a reforming channel used for carrying out dividing wall type heat exchange with the second heat exchange area is further arranged in an inner cavity. An igniter is arranged in the first heat exchange area and used for igniting inlet air. According to the invention, a plurality of components are integrated into a whole, so that the volume of the components is effectively reduced and the heat conduction efficiency is improved under the condition of ensuring the functions of combustion, heat exchange, water vapor generation and fuel gas reforming; and meanwhile, the additive manufacturing process is adopted for refined preparation of the multifunctional part, accurate control over the internal structure of the part can be achieved, and development, research and application of an efficient combined heat and power system can be achieved easily.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a thermal component used in a solid oxide fuel cell system and a preparation method thereof. Background technique [0002] The solid oxide fuel cell is a device that can efficiently convert the chemical energy of the fuel into electrical energy. The power generation efficiency can reach more than 60%. Household natural gas is very suitable for household power supply and heating. The main component of natural gas is methane, so when using natural gas for cogeneration of heat and power, it is necessary to reform the methane in natural gas into hydrogen and carbon monoxide, and the efficient reforming reaction needs to absorb a large amount of heat and water vapor, so in order to improve the fuel And heat utilization rate, combined heat and power system needs to include reformer, burner, steam generator and multiple heat exchangers. [0003] At present, the reformer, burner, he...

Claims

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Application Information

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IPC IPC(8): H01M8/04014H01M8/10
CPCH01M8/04022H01M8/10Y02E60/50
Inventor 刘太楷刘敏董东东宋琛文魁毛杰邓春明邓畅光
Owner GUANGDONG INST OF NEW MATERIALS
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