Calcium carbide furnace center discharging pipe convenient to disassemble, assemble and maintain

The calcium carbide furnace center discharging pipe comprises a main body assembly, a square bin is installed on the outer side wall, close to the conical portion of the bottom, of a stock bin, a square and round bin is fixedly connected to the side, away from the stock bin, of the square bin, and a second discharging flow pipe is connected to the round bottom of the square and round bin through a flange. The outer side wall of the second discharging flow pipe is sleeved with a first discharging flow pipe. The L-shaped rod is rotated anticlockwise, so that the L-shaped rod is separated from the top of the rubber pad, the L-shaped rod rotates to drive the square block and the threaded column to rotate, the threaded column is separated from the fixed column, then the conical pipe is moved downwards, the conical pipe drives the first discharging flow pipe to move downwards, the first discharging flow pipe is detached, maintenance personnel can conveniently conduct maintenance, and on the contrary, the maintenanc