Ammonia cracking device and system combining plasma and catalyst

Abstract

The invention discloses an ammonia cracking device and system combining plasma and a catalyst, and belongs to the field of plasma and ammonia application, the ammonia cracking device comprises a plasma torch and a cracker main body, the cracker main body is divided into a leading-in chamber, a reaction chamber, a distribution chamber and a convergence chamber through baffles, and the reaction chamber is internally provided with a multi-stage catalytic area. A plasma torch is arranged at an inlet of the central coaxial main pipeline, and a catalyst is filled in a gap between the outer-layer sleeve and the middle-layer sleeve, symmetrically penetrates through the reaction area and is communicated with the distribution / convergence chamber. High-temperature flue gas generated by plasma heat supply is subjected to split-flow heating, and ammonia gas enters the reaction chamber for deep decomposition after being subjected to catalytic cracking. According to the invention, a plasma technology and a catalyst thermal cracking hydrogen production technology are combined, so that the cracking efficiency of ammonia gas is greatly improved; the plasma assists ammonia gas combustion to provide heat, so that energy consumption is reduced, and meanwhile, a good heat exchange effect is achieved; the size and the weight of the whole device are further reduced, and the compactness, the light weight, the flexibility and the application scene adaptability of the ammonia cracker are improved.

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