| abstract |
A production system for 1,2-cyclohexanediamine, comprising a solid-liquid separation device, a dehydration tower, a decoking tower, and a refining tower, wherein the material inlet of the solid-liquid separation device is used for separation from gas and liquid discharged from a reactor , catalyst filtration, dealcoholization mixture material sources are connected, the solid-liquid separation device feeds the dehydration tower through the overflow pipe, the bottom discharge port of the dehydration tower feeds the decoking tower through the first pipeline, the The top discharge port of the decoking tower feeds the refining tower through the second pipeline, and the top discharge port of the refining tower is connected to a reflux pipeline through a condenser, and a reflux tank is sequentially arranged on the reflux pipeline. , discharge pump, first valve, the downstream end of the return line is connected to the return port of the refining tower, a discharge pipe is connected to the return line, located between the discharge pump and the first valve, on the discharge pipe Set the second valve. The invention has simple structure and convenient operation, can continuously and stably produce 1,2-cyclohexanediamine products, and meets the actual needs of chemical enterprises. |