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Heat exchange device of hydrogen catalytic combustor

A technology of catalytic burner and heat exchange device, which is applied to burners, gas fuel burners, combustion methods, etc., can solve the problems of ineffective use of heat, improve the efficiency of hydrogen catalytic burners, low hydrogen fuel air, etc. Modular assembly, good heat output stability, high heat utilization efficiency

Inactive Publication Date: 2013-11-20
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual use process, the fuel-air ratio of hydrogen is low, and most of the heat generated by hydrogen catalytic combustion will be taken out by the exhaust flow. Therefore, there are technologies that cannot effectively use the heat in the exhaust flow and improve the efficiency of the hydrogen catalytic burner as much as possible. question

Method used

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  • Heat exchange device of hydrogen catalytic combustor

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Effect test

Embodiment 1

[0021] A heat exchange device for a hydrogen catalytic burner, comprising a heat exchange tank and a heat exchange tube. A hydrogen catalytic burner is built in the heat exchange tank, and burner fins are arranged outside the hydrogen catalytic burner. A heat exchange tube is installed at the outlet of the hydrogen catalytic burner. The heat exchange tube is a round copper or aluminum tube. The heat exchange tank is filled with a heat exchange medium. The heat exchange tube is located in the heat exchange medium. piece. The heat exchange medium is alkylnaphthalene type or alkyl biphenyl type or biphenyl and biphenyl ether low-soluble mixture type heat transfer oil. The heat utilization efficiency of the hydrogen catalytic combustion in this embodiment is 90%.

Embodiment 2

[0023] A heat exchange device for a hydrogen catalytic combustor, comprising a heat exchange tank 7 and a heat exchange tube 5 . A hydrogen catalytic burner is built in the heat exchange tank 7, and burner fins 6 are arranged outside the hydrogen catalytic burner. The hydrogen catalytic combustor is connected with a hydrogen and air premixer, and a low-temperature catalytic combustion layer 3 and a high-temperature catalytic combustion layer 4 are layered in the hydrogen catalytic combustor. A heat exchange tube 5 is installed at the outlet of the hydrogen catalytic burner, the heat exchange tube 5 is a circular copper or aluminum tube, and the heat exchange tube 5 is in a spiral shape. The heat exchange tank 7 is equipped with a heat exchange medium, the heat exchange tube 5 is located in the heat exchange medium, and the heat exchange tank 7 is equipped with heat exchange tank fins 8 . Heat exchange medium 9 is alkylnaphthalene type or alkylbiphenyl type or biphenyl and bip...

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Abstract

The invention relates to a heat exchange device of a hydrogen catalytic combustor, and belongs to the technical field of hydrogen catalytic combustion. The heat exchange device of the hydrogen catalytic combustor is characterized by comprising a heat exchange tank and a heat exchange tube, wherein the hydrogen catalytic combustor is arranged inside the heat exchange tank, the heat exchange tube is installed at an outlet of the hydrogen catalytic combustor, heat exchange medium is arranged inside the heat exchange tube, and the heat exchange tube is located inside the heat exchange medium. The heat exchange device of the hydrogen catalytic combustor has the advantages of being high in heat exchange efficiency, good in heat output stability, simple to manufacture, low in cost, convenient to use, good in safety, capable of being assembled in a modularized mode conveniently, being high in heat utilization rate of hydrogen catalytic combustion, and the like.

Description

technical field [0001] The invention belongs to the technical field of hydrogen catalytic combustion, and in particular relates to a direct exhaust hydrogen catalytic combustion heat supply device. Background technique [0002] At present, energy is the most important element in human economic activities, and is closely related to the survival and development of human society. With the increase of fossil fuel consumption, its reserves are decreasing day by day, and the resources are facing the problem of depletion. Hydrogen is a clean energy source, which can be used to generate electricity through fuel cells (FC) or hydrogen internal combustion engines (ICEs), or directly burned to generate heat for heating. The use of hydrogen combustion to obtain heat energy is an important way in the process of hydrogen energy utilization. The combustion of hydrogen is divided into flame combustion and catalytic flameless combustion. Flameless catalytic combustion using hydrogen has t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H7/00F24H9/18F23D14/18
Inventor 黄岳祥钮峰
Owner CHINA JILIANG UNIV
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