Closed cooling towers are used in the corn syrup and fermented sugar juice industries.Closed cooling towers are used in the fruit juice, beverage, milk, and wine lees filtrate industries.Closed cooling towers are used in the pharmaceutical industry for evaporation and concentration of fermentation liquids and high-concentration organic or chemical wastewater.They prevent evaporator scaling, save water and electricity, eliminate the need for chemical cleaning of cooling pipes, require less floor space, and keep the factory area clean.