Device for producing cyclohexane by adding hydrogen in benzene and synthesis process
A synthesis process and cyclohexane technology, applied in the directions of hydrogenation to hydrocarbon production, organic chemistry, etc., can solve the problems of poor operation stability of the reactive distillation column, large degree of back-mixing in the reactor, and restriction of large-scale production, etc., and it is easy to reach the reaction temperature. Control, reduce equipment investment, and improve the effect of control stability
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[0020] figure 2 Schematic diagram of the device for producing cyclohexane by hydrogenation of benzene in the present invention. The device mainly includes a gasification tower 1 and a reactor 2 . Gasification tower 1 is equipped with fillers to facilitate gas-liquid contact; reactor 2 is composed of two series-connected 304 stainless steel fixed-bed catalytic reactors. The upper part of the gasification tower 1 has a liquid-phase benzene inlet 5, and the lower part of the gasification tower 1 has a liquid-phase benzene outlet. The liquid-phase benzene outlet is connected to the shell-side inlet of the reactor 2 through the pipeline 8, so that the liquid benzene in the gasification tower 1 can enter the shell-side of the reactor, and the reaction heat in the tube-side of the reactor is removed by gasification. The outlet of the shell side of the reactor 2 is connected to the gasification tower 1 through the pipeline 9, and the top of the gasification tower 1 has a gas phase ...
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