Six-tank circulating biogas dual-path sofc anode fuel supply system

A fuel supply system, cyclic technology, applied in fuel cells, fuel cell additives, solid electrolyte fuel cells, etc., can solve the problems of inability to ensure the continuous operation of SOFC power generation systems, lack of practical value, etc., and achieve biogas supply flow. Continuous and uninterrupted, conducive to maintenance, stable operation of biogas flow and pressure

Inactive Publication Date: 2017-03-15
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existence of the above problems is the basic requirement that cannot guarantee the continuous operation of the SOFC power generation system
Therefore, the background patent technology is only a conceptual technology and lacks the value of actual use

Method used

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  • Six-tank circulating biogas dual-path sofc anode fuel supply system
  • Six-tank circulating biogas dual-path sofc anode fuel supply system
  • Six-tank circulating biogas dual-path sofc anode fuel supply system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 6

[0020] Embodiment 1 six fermenter circulation type biogas generation system

[0021] Such as figure 1 and figure 2 shown. The structure of the biogas generation system includes a total of 6 fermentation tanks for generating biogas, which are No. 1 fermenter 1, No. 2 fermenter 2, No. 3 fermenter 3, No. 4 fermenter 4, No. 5 fermenter 5 and No. 6 fermenter tank 6, a grinder 8 for crushing straw 7, a mixer 9 for mixing straw and methane fermenting bacteria, and a biogas storage tank 66; the biogas generation system has 6 sets to form a six-tank circulation type biogas generation system; the output of the mixer 9 is The crushed straw and methane fermentation bacteria enter the fermentation tanks respectively through the conveyor belt 10, and the working conditions of the 6 fermentation tanks are different at the same time; the biogas produced by the 6 fermentation tanks enters the biogas storage tank 66 through the output valve, and then passes through the anode fuel The supply...

Embodiment 2

[0039] Example 2 Two-way Solid Oxide Fuel Cell Anode Fuel Supply System

[0040] Such as figure 1 , image 3 , Figure 4 As shown, the structure of the anode fuel supply system includes a biogas desulfurization device, a methane purification device, a fuel heating and steam generation device, a high-temperature reforming device, a low-temperature reforming device, a gas-water separation device, and the front and rear devices of the anode fuel supply system. There is a pipeline connection between them; in order to ensure the continuous operation requirements of the SOFC anode fuel supply system, the present invention is designed as a dual-channel anode fuel supply system. For simplicity of description, the two-way anode fuel supply systems are referred to as "A-way system" and "B-way system" respectively. figure 1 , image 3 , Figure 4 Among them, 101 is a biogas desulfurization device of A route, 201 is a biogas desulfurization device of B route, and their input ends are...

Embodiment 3

[0060] Embodiment 3 SOFC power generation system

[0061] Such as figure 1 and Figure 5 As shown, the SOFC power generation system is mainly composed of SOFC main body 300; anode fuel 153; anode fuel preheating chamber 314; anode fuel heat exchanger 313; anode fuel chamber 311; cathode fuel 307; cathode fuel preheating chamber 304; 303; cathode fuel chamber 301; starting burner 305; cathode fuel blower 309 and filter 308. Because, the normal operating temperature of the SOFC power generation system is 800°C. To start the SOFC power generation system, first, use the figure 2 Route A methane purification device 112 supplies fuel gas to the start burner 305 through the A route methane purification output pipeline 115 and the anode fuel valve 318, and the heat emitted by the start burner 305 is used for the SOFC main body 300, the anode fuel 153, and the anode fuel preheating chamber 314, the anode fuel heat exchanger 313, the cathode fuel 307, the cathode fuel preheating c...

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Abstract

The invention belongs to the field of new energy, and particularly relates to a six-tank circulating type marsh gas double-path SOFC anode fuel supply system. Crop straw is adopted as raw materials of the system, six fermentation tanks are designed to enter a marsh gas production period in sequence, two fermentation tanks are kept supplying marsh gas at the same time, and the output flow of the two fermentation tanks is kept to be output in a staggering peak mode. The SOFC anode fuel supply system is designed into a double-path supply system, namely, an A-path system and a B-path system. The A-path system and the B-path system alternately bear a work state and a maintenance and standby state. When a certain device in the anode fuel supply system in the work state breaks down, a corresponding device in the system in the maintenance and standby state is immediately switched to replace the device breaking down to work. The SOFC anode fuel supply system has the advantage of being large and stable in marsh gas supply flow, the needs of SOFC generated power for continuous supplying to the anode fuel supply system are met.

Description

technical field [0001] The invention belongs to the field of new energy, in particular to an anode fuel supply system for a solid oxide fuel cell (SOFC for short). Background technique [0002] Energy issues and environmental protection issues in today's world have become the serious issues of "the greatest threat facing mankind". The development of industry and agriculture cannot be separated from the development of energy; human survival cannot be separated from environmental protection. Energy development and environmental protection must be considered as a whole. SOFC power generation system has the advantages of high power generation efficiency, no noise and no pollution. However, the anode fuels used in SOFC power generation systems are relatively mature technologies that use methane, coal gas and other hydrogen-rich gases extracted from natural gas, oil and coal as fuels. Hydrogen-rich gas fuels all come from primary (fossil) energy and cannot be regenerated. And g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/10H01M8/04H01M8/06H01M8/0662
CPCH01M8/04H01M8/06H01M8/0618H01M8/10Y02E60/50Y02P70/50
Inventor 裴凯薛燕峰苏峰王文全裴力
Owner JILIN UNIV
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