... to prevent materials caking, clogging, wall sticking and blocking. Air blaster is a special device to prevent materials caking, clogging, wall ... walls that are made of steel, concrete or others. Air blaster is widely used in thermal power plant, coal mining, ... Fertilizer plant, coking plant, gas plant, chemical plant, aluminum plant, soda plant, steel mills, mines, docks, food, feed mills, boilers, ...