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A fuel reforming reactor

A technology for reforming reactors and fuels, applied in fuel cells, electrochemical generators, electrical components, etc., can solve the problems of inconvenient storage and transportation, limited promotion in the field of portable power sources, etc., to reduce heat, improve reforming efficiency, The effect of changing the intensity

Active Publication Date: 2020-06-16
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Hydrogen is the most ideal fuel, but its storage and transportation are inconvenient, and its promotion in the field of portable power supply is limited

Method used

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  • A fuel reforming reactor
  • A fuel reforming reactor
  • A fuel reforming reactor

Examples

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Comparison scheme
Effect test

Embodiment 1

[0028] The reformer is carved and milled from aluminum alloy 6082. The reforming catalyst uses CuAlZn methanol reforming catalyst with an average particle size of 1.5mm, and the combustion catalyst uses Pt / Al with an average particle size of 1mm. 2 o 3 The catalyst and the fuel tank are covered with NdFeB magnet blocks, and the size of the magnet blocks is 50mm*10mm*2mm.

[0029] There is an electric heating sheet attached around the vaporization chamber. When starting up, first heat the vaporization chamber to 110°C, then feed 2mL / min of methanol, adjust the electric heating power, and maintain the temperature of the vaporization chamber at 110°C. image 3 .

Embodiment 2

[0033] The fuel processor is made of aluminum alloy 6082. The combustion chamber and the reforming chamber are closely connected, and the length and width of the two are the same. The vaporization chamber is a separate component. The flow channel in the reforming chamber is in the form of a single serpentine, with a channel width of 8 mm, filled with CuAlZn methanol reforming catalyst with an average particle size of 1.5 mm. The combustion chamber is a parallel groove type, which is filled with 0.5% Pt / Al2O3 combustion catalyst in the form of 0.6-1mm particles. The fuel tank and the pipeline entering the vaporization chamber are covered with NdFeB magnet blocks.

[0034] Before the operation of the reformer, the reforming catalyst is first reduced, the condition is 250° C., the reduction gas is a mixture of 5% H2 and N2, and the time is 2 hours. During operation, first heat the combustion chamber to 120°C with a heating rod, and then feed 1mL / min methanol aqueous solution (...

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PUM

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Abstract

A fuel reforming reactor comprises a fuel tank, a fuel vaporizing chamber and a fuel reforming chamber, wherein an outlet of the fuel tank is communicated with an inlet of the fuel vaporizing chamber;an outlet of the fuel vaporizing chamber is communicated with an inlet of the fuel reforming chamber; the fuel tank and / or the fuel vaporizing chamber are / is magnetic. Compared with the prior art, the fuel reforming reactor provided by the invention has the advantages as follows: through introduction of a magnetic material onto the fuel tank, the fuel vaporizing chamber and a connecting pipelineof the two, the strength of hydrogen bonds in fuel and water is changed, heat absorbed by the fuel and water in the vaporizing process is reduced, and reasonable distribution of the heat in the fuel reforming process is improved, and the reforming efficiency is improved.

Description

technical field [0001] The invention belongs to the field of fuel cells, in particular to an efficient fuel reforming reactor. Background technique [0002] Fuel cell is a kind of energy conversion device that directly converts fuel chemical energy into electrical energy. It has many advantages such as high efficiency, no pollution, and low noise. It has broad application prospects in the fields of power supply, backup power supply and mobile power supply. [0003] Hydrogen is the most ideal fuel, but its storage and transportation are inconvenient, and its promotion in the field of portable power supply is limited. Methanol is the simplest small-molecule alcohol. It is an ideal hydrogen source because of its low temperature and high selectivity for hydrogen reformation. The main types of methanol catalytic reforming are: steam reforming, partial oxidation, autothermal reforming. Among them, steam reforming produces the highest concentration of hydrogen, and its reaction i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/0612
CPCH01M8/0618Y02E60/50
Inventor 孙公权杨林林
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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