Non Foundation double-curing kiln will be used for the production of precast PC line, after production precast PC, using mobile lifting crane to remove precast panels from the production line, through automatic control systems, precast PC will be accessed automaticlly in the kiln body, through the kiln thermal insulation to do the conservation. It is consist of main kiln, automatic lifting access cranes, automatic control system. Devices with a high degree of automation, good accuracy, high efficiency, good PC maintenance effect advantages, it has great practical significance for residential precast products industrialization.