Sand blasting room also called sand play room, suitable for large work piece surface cleaning, rust removal, increase the work piece and the adhesion between the coating effects, sandblasting room according to the abrasive way of recycling peening room is divided into: mechanical recycling type shot blasting room and artificial recovery type shot blasting room. The artificial recycling sandblasting room due to the economic and practical, simple, convenient, simple materials, greatly reduced the cost of sandblasting room cost, also accepted by many customers, especially small and medium-sized enterprises.