Composite material reaction sintering furnace with silicon carbide as base powder

The utility model relates to the technical field of sintering furnaces, and discloses a composite material reaction sintering furnace taking silicon carbide as base powder, which comprises a furnace body, a furnace cover is movably inserted into the furnace body, the upper end face of the furnace cover is fixedly connected with a feed pipe, the outer surface of the furnace body is fixedly connected with a discharge pipe, and the discharge pipe is fixedly connected with the furnace body. Sealing covers are in threaded connection with end openings of the feeding pipe and the discharging pipe, a lower fixing plate is fixedly connected to the lower side of the inner wall of the furnace body, an inner cylinder is fixedly connected to the upper end face of the lower fixing plate, a reaction cavity is formed by gaps among the furnace body, the inner cylinder and the lower fixing plate, a motor is fixedly connected to the bottom face of the furnace body, and the motor is fixedly connected to the bottom face of the fu