Pneumatic pipeline conveyor for silicon carbide powder

The invention provides a pneumatic pipeline conveyor for silicon carbide powder, and relates to the technical field of conveyors. The silicon carbide powder pneumatic pipeline conveyor comprises a buffer gas pipeline, one end of the buffer gas pipeline is fixedly connected with a feeding gas pipeline, and the end, away from the buffer gas pipeline, of the feeding gas pipeline is connected with a gas supply assembly. According to the device, a first spiral heating pipe and a second spiral heating pipe are started, silicon carbide powder enters a buffer gas pipeline, gas can penetrate through a first filter cartridge to enter a heating cavity to be heated, the silicon carbide powder is blocked outside the first filter cartridge, and then the gas drives the silicon carbide powder to continuously flow forwards; the silicon carbide powder enters the gathering pipe after being gathered through the horn mouth and continues to be heated through the second spiral heating pipe in the gathering pipe, the silicon carbide