This eauipment uses short roller extension or table-cart for carrying, the capacity of that shall be 1 O-ton. The working piece shall be dual way check-in and out, which greatly promotes the job efficiency. The adjustment Is carried out via Japan imported transducers the range of adjustment shall be 0.6--6 m/min. The clearing chamber is lined with high chromium content forged plate, so as to prolong the working Iife; the entrance and exit for working pieces are protected by wearing-durable rubber parts. The rnain use of such a machine is applied for clearing H-Beam, shaped steel, shaped steel pipes and surfaces of boilers, so as to clear away rusts, oxidized coats, slag and eto, so as to modify relevant surface roughness and promote the adhering force for paints, and prolong the life of the coat.