This can be had, depending on the circumstances.
　　A cooling tower is a heat sink, a device that uses the principle of evaporative heat absorption of water to dissipate waste heat generated in industry or in refrigeration and air conditioning to safeguard the operation of the system, he can bring down the temperature of the cooling water. This principle can be used to solve the problem of the circulating fluid temperature of water ring vacuum pumps constantly increasing and reducing the vacuum level. A pipeline is connected to the drain of the water ring pump and then to the cooling tower, which reduces the temperature of the water through the cooling effect of the cooling tower and then allows the water to flow into the storage tank or reservoir so that the temperature of the circulating fluid can be controlled during the continuous work of the water ring pump, thus solving the problem of the water ring pump reducing the vacuum level due to the increase in the temperature of the circulating fluid.