A solar methane chemical chain reforming reactor and its use method

A reforming reactor, solar methane technology, applied in chemical instruments and methods, solar collectors, solar heat storage, etc., can solve the problem of low solar energy utilization, imperfect light concentrating system, and uneven temperature distribution in the reaction core area and other problems, to ensure the uniformity of temperature distribution, reduce the rupture of the reactor, and avoid the failure of silica gel

Active Publication Date: 2022-03-08
XI AN JIAOTONG UNIV
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Problems solved by technology

[0012] For the convenience of research, quartz glass tubes or chambers are often used as reactors for laboratory-scale solar methane chemical chain reforming reactions. There are often some problems in the reaction system, such as low solar energy utilization rate and the temperature of the reaction core area caused by imperfect concentrating systems. Uneven distribution, etc.

Method used

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  • A solar methane chemical chain reforming reactor and its use method
  • A solar methane chemical chain reforming reactor and its use method

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Embodiment Construction

[0042] The principle, specific structure and best implementation mode of the present invention will be further described below in conjunction with the accompanying drawings.

[0043] see figure 1 , The solar methane chemical chain reforming reactor (illustrated by taking dry reforming as an example) of the present invention includes a feed area, a reaction area and a product collection area. Wherein, the reaction feed zone includes a carbon dioxide gas cylinder 1, a methane gas cylinder 2 and an argon gas cylinder 25, the carbon dioxide gas cylinder 1 is connected to the reactor 13, and the pipeline between the carbon dioxide gas cylinder 1 and the reactor 13 is provided with a first A gas volume flow controller 3, a second gas volume flow controller 4 is provided on the pipeline between the methane cylinder 2 and the reactor 13, a third gas volume flow controller 4 is provided on the pipeline between the argon cylinder 25 and the reactor 13 Volume flow controller 26.

[004...

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Abstract

A solar methane chemical chain reforming reactor and its use method, comprising a rotatable reactor and a gas source connected to the reactor, an oxygen carrier is fixed at the center of the reactor, and an annular A jacket, molten salt is installed in the annular jacket; a rectangular parallelepiped cavity is arranged outside the annular jacket, and a quartz glass window is arranged on the side facing the sunlight of the cavity. Through the heat storage characteristics of part of the molten salt, the temperature change of the reaction zone caused by the fluctuation of external sunlight is reduced. The invention can not only improve the utilization rate of solar energy, but also can homogenize the heat flux density of solar energy, make the reaction more stable and controllable, and at the same time, can reduce the inactivation of the oxygen carrier caused by the local high temperature, and reduce the cost.

Description

technical field [0001] The invention belongs to the field of high-efficiency thermochemical energy storage of solar energy and the preparation and utilization of solar fuel, and specifically relates to a solar methane chemical chain reforming reactor and a use method thereof. Background technique [0002] Extensive use of coal, oil and natural gas has caused the depletion of fossil energy and environmental pollution. my country has clearly put forward the guidance to reduce the use of chemical energy and increase the proportion of renewable energy. Solar energy is the most abundant renewable energy source and has the potential to solve global energy demand problems, but its intermittency and instability greatly limit its application range. How to realize efficient and large-scale storage of solar energy is the key to efficient utilization of solar energy. The solar thermochemical energy storage process can effectively store and release solar energy through reversible reacti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/34F24S23/70F24S60/30
CPCC01B3/34F24S23/70F24S60/30Y02E10/40Y02P20/133
Inventor 魏进家刘彦铄王新赫张军社
Owner XI AN JIAOTONG UNIV
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