Reactor for preparing synthesis gas by catalytic reforming of methane and carbon dioxide

Abstract

The invention discloses a reaction device for preparing synthesis gas through catalytic reforming of methane and carbon dioxide, and belongs to the technical field of energy utilization. The reaction device comprises a gas distributor, a shell-pass shell and a gas collector which are connected in sequence, multiple gas reaction tubes are contained in an inner cavity of the shell-pass shell and are arrayed in a regular hexagon shape, one ends of the gas reaction tubes are arranged in the gas distributor, the other ends of the gas reaction tubes are arranged in the shell-pass shell, at least two layers of flame nozzles are connected to the outer surface of the shell-pass shell, and at least one layer of flame nozzles are matched with the corresponding gas reaction tubes and are arranged annularly. According to the reaction device for preparing synthesis gas through catalytic reforming of methane and carbon dioxide, the flame nozzles of the shell-pass shell are uniformly distributed along the side boundary of the hexagon array of the gas reaction tubes in the same direction, and the effects of stable and uniform heat transfer and easy temperature control are achieved.

Description

technical field [0001] The invention relates to the technical field of energy utilization, in particular to a reaction device for preparing synthesis gas by catalytic reforming of methane and carbon dioxide. Background technique [0002] Energy and the environment have always been the focus of human survival and reproduction. With the continuous utilization of petroleum resources, environmental pollution has become increasingly serious, especially the increasing carbon dioxide emissions, which have caused a series of environmental problems. With the official implementation of my country's new "Environmental Protection Law" in 2015, it has increased environmental protection requirements and energy conservation and emission reduction standards. According to the report of the International Energy Agency (IEA), the global carbon dioxide emissions in 2014 were 32.3 billion tons, of which China's global carbon dioxide emissions were about 8 billion tons. [0003] Carbon dioxide e...

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Problems solved by technology

However, since this method uses the methane oxidation reaction to provide heat for the methane carbon dioxide reforming reaction, it needs to consume a large amount of methane, thus wasting high-quality methane resources, and because of the presence of oxygen, the temperature fluctuates greatly, and the catalyst is prone to high temperature sintering

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