Feeding mechanism for propylene tower of gas separation device

The utility model discloses a feeding mechanism for a propylene tower of a gas separation device, which comprises a propylene tower body and a reflux mechanism, the propylene tower body consists of a propylene tower main body and a feeding pipe, one end of the feeding pipe is provided with a feeding pipe, the reflux mechanism is arranged inside the feeding pipe and comprises a round pipe, one end of the round pipe is fixedly connected with a drainage funnel, and the other end of the round pipe is fixedly connected with a screw. A liquid blocking net is arranged on one side of the drainage funnel, a grid plate is arranged on one side of the liquid blocking net, and a drainage groove is formed in the bottom of the inner wall of the feeding pipe. According to the utility model, the drainage funnel, the liquid blocking net, the grid plate and the drainage groove are arranged, and through the matching of the drainage funnel, the liquid blocking net, the grid plate and the drainage groove, liquid splashed into the