Reactor system for preparing CHDA

The utility model belongs to the technical field of chemical raw material synthesis, and particularly relates to a reactor system for preparing CHDA, which comprises a fixed bed reactor, a PSA (Pressure Swing Adsorption) device, a circulating pump, an external heat remover, a released gas cooler, a gas-liquid separator, a Venturi ejector and a rectification assembly, the top and the bottom of the fixed bed reactor are respectively connected with a material outlet and a material inlet of the Venturi ejector; the upper part of the fixed bed reactor is connected with a PSA (Pressure Swing Adsorption) device; the lower part of the fixed bed reactor is connected with a releaser cooler; the bottom of the fixed bed reactor is connected with a gas-liquid separator; the gas-liquid separator is connected with the rectification assembly; the bottom of the fixed bed reactor is connected with a material inlet of a circulating pump, a material outlet of the circulating pump is connected with an external heat remover, and t