Cooling and heating tank (another name is ageing tank)has advantages such as being energy saving,noise-proof,abrasion-proof,easy to clean and so on ,with high capacity, It iswideoy used industries of diary products,foods,pharmacy,chemical industry,beverages,as an indispensable equipment for jeating ,cooing,heat preservation,sterilization or liquids storage.It is specially suitarle for pasteurization and heat preservation of milk,and is an indispensable equipment in ice cream production line.The equipment is composed of storage gank,planet speed reducer,bleuder and 0℃-100℃ temperature meter.