The air heat exchanger (also known as air radiators, radiator or heat pipe) is a main equipment of heat exchanger in cold and hot 2 cooling or heating air in the high pass into the warm water, steam or high-temperature heat-conducting oil can be heated air into the brine or low temperature water can cool the air, so it can be widely used in the light industry, construction, machinery, textile, printing and dyeing, electronics, food, medicine, metallurgy, starch coating and other industries in the hot air heating, air conditioning, cooling, cooling, dehumidification and drying