Feeding structure in reaction kettle

The utility model discloses a feeding structure in a reaction kettle, which comprises a reaction kettle main body, a feeding sliding cylinder communicated with the inner wall of the reaction kettle main body is arranged on one side of the top of the reaction kettle main body, a feeding hopper is fixedly arranged at one end of the top of the feeding sliding cylinder, and a fixed seat is fixedly arranged in the center of the top of the reaction kettle main body. A first fixing block is fixedly arranged on the outer wall of one side of the fixing base, and one side of the first fixing block is movably connected with a pressing rod through an open hole. The pressing rod is lifted through the handle, fixed raw materials are poured into the feeding hopper through the feeding hopper, the solid raw materials are located at the top of the conical discharging base at the moment, then the handle is extruded downwards, the second piston piece and the first piston piece are moved downwards through the first movable connec