The peeled cowhide is dropped into the air feeding tank by sliding, the pneumatic valve is closed, and 6KG compressed air is charged, and the pressure of the II gas transports the cowhide into the collecting container through the pipeline, and the air feeding cylinder is cleaned after each conveying. And then open the valve again. Includes: stainless steel cowhide chute. Stainless steel air supply cylinder and pneumatic valve. Stainless steel cyclone separator. Approximately 20 meters of stainless steel pipe, rounded corners, connecting flanges and connecting parts stainless steel collecting tanks, all exposed parts are made of stainless steel. Required valve, control pack