Hydrogen-oxygen composite reactor

A reactor, hydrogen-oxygen technology, applied in metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as uneven temperature field distribution, and achieve uniform distribution. Effect

Active Publication Date: 2021-10-26
武汉氢能与燃料电池产业技术研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned technical deficiencies, provide a hydrogen-oxygen composite reactor, and solve the technical problem of uneven temperature field distribution and hot spots in the prior art

Method used

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Embodiment 1

[0029] combine Figure 1-3 , this embodiment proposes a hydrogen-oxygen recombination reactor, which is provided with a plurality of alternately arranged heat exchange plates 1 and reaction plates 2 from left to right, and the contact surfaces of heat exchange plates 1 and reaction plates 2 are close to each other;

[0030] Both ends of the heat exchange plate 1 are provided with a plurality of first through holes, and both ends of the reaction plate 2 are provided with a plurality of second through holes, and a plurality of the first through holes overlap with a plurality of the second through holes to form a A plurality of channels, the plurality of channels including cooling water channels, air channels, hydrogen channels and flue gas channels;

[0031] The middle part of the heat exchange plate 1 is provided with a water flow channel 18, and the water flow channel 18 communicates with the cooling water channel, and the middle part of the reaction plate 2 is provided with a...

Embodiment 2

[0054] The difference between this embodiment and embodiment 1 is that the thickness of the FeCrAlNb alloy plate is 1.0 mm, the water flow channel 18 on the heat exchange plate 1, the first drainage channel 13 and the second drainage channel 14 are semicircular, with a diameter of 0.6 mm; The third drainage channel 24, the fourth drainage channel 25 and the airflow channel 21 on the reaction plate 2 are semicircular with a diameter of 0.5 mm.

[0055] The catalyst thin film structure 3 in this embodiment is in the form of a graphene thin film supported noble metal monolithic thin film structure. The graphene film is composed of graphene sheets and aluminum oxide powder with a particle size of 0.05 mm, the thickness is 0.05 mm, and the mass percentage is: graphene sheets account for 90%, aluminum oxide powder accounts for 10%; the active particles of noble metals are Pd particles , the particle size range is 3nm, and the noble metal loading is 0.5wt%.

[0056] The catalyst thi...

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Abstract

The invention discloses a hydrogen-oxygen composite reactor, and belongs to the field of hydrogen energy application. The hydrogen-oxygen composite reactor is provided with a plurality of heat exchange plates and reaction plates which are alternately arranged from left to right, and the contact surfaces of the heat exchange plates and the reaction plates are tightly attached; a plurality of first through holes are formed in the two ends of the heat exchange plates, a plurality of second through holes are formed in the two ends of the reaction plates, the first through holes and the second through holes are overlapped to form a plurality of channels, and the channels comprise a cooling water channel, an air channel, a hydrogen channel and a flue gas channel; a water flowing channel is arranged in the middle of each heat exchange plate and is communicated with the corresponding cooling water channel, and an airflow channel is arranged in the middle of each reaction plate and is communicated with the corresponding air channel, the corresponding hydrogen channel and the corresponding flue gas channel; and the reactor further comprises a catalyst film structure, and the catalyst film structure is arranged on the middle part of the reaction plate and is used for catalyzing the introduced air to react with hydrogen. The temperature distribution of the temperature field in the hydrogen-oxygen composite reactor is uniform, and local hot spots are avoided.

Description

technical field [0001] The invention relates to the field of hydrogen energy application, in particular to a hydrogen-oxygen composite reactor. Background technique [0002] Heating is one of the important applications of hydrogen. However, hydrogen has an extremely wide explosion limit of 4.0-75vol%, a flame speed of 2.7m / s, and a flame temperature close to 2000°C. Therefore, hydrogen combustion has a wide combustion range, fast combustion speed, and extremely high temperature. High temperature, easy tempering, and high potential safety hazards, so hydrogen combustion heating has not been widely promoted. In 1974, Sharer et al. discovered that hydrogen and oxygen could react completely on the surface of the catalyst at room temperature and release heat. This reaction is called hydrogen-oxygen recombination reaction, which has the characteristics of low temperature and no flame. [0003] There are many studies on the principle of hydrogen-oxygen recombination reaction, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/02B01J23/42B01J23/44B01J35/06
CPCB01J8/02B01J23/42B01J23/44B01J35/065
Inventor 李海港黄润伍张浩吴飞王百杰洪浩源吴鹏飞
Owner 武汉氢能与燃料电池产业技术研究院有限公司
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