Q69 series Shotblast cleaning machine is a multifunctional blasting steel structure welding parts and H type steel plate and other types of steel cleaning equipment, it can impose strong shot blasting on surface of steel in its original state, remove the rust, welding slag and the oxide layer. Metallic luster surface in order to obtain a smooth uniform, in order to remove the stress, improve the steel structure and the steel surface quality and corrosion resistance of coating