More and more customers use closed cooling tower for hydraulic station water cooling. The closed cooling tower can effectively solve the problem of scaling by using non calcium-magnesium ion water, and at the same time, using temperature control technology, can meet the requirements of water saving, energy saving and low carbon environmental protection. Recently, Jiangsu huatal provided 2 sets of HBY type closed cooling towers to a catering box manufacturer in Tianjin, which won the praise of customers for its efficient operation.