It combines sand blasting, abrasives recycling and dust removal, which can clean the surface ,ensure the pollution-free without discharging dust. It is a ideal surface cleaning equipment in the workshop. Self-loop suction feed dry type blast cabinet With the increase of science and technology and living standards of human beings, people have higher and higher requirements on the surface treatment of article. Such requirements exist from visual satisfaction to process requirement, from sandblasting pretreatment of the surface of work piece, beautification processing of handcraft, semi-gloss roughening treatment of stainless steel products, degreasing and rust removal treatment of components, glass engraving treatment, mould cleaning and eliminating stress of precise components and etc, thus it cam be seen that sandblasting treatment lies on anywhere of the contemporary industrial production.