Generator shaft pump cooling, Transformer oil cooling, Circulating water heating and cooling, Cooling of nuclear islands in nuclear power plants, Auxiliary water supply system, unit vacuum pump cooling, Rinse the coolant for cooling, Transmission oil cooling, Power plant steam condensation and heat recovery, Heating for workshops and office buildings, Wastewater heat recovery, Waste gas recovery, Quenching liquid cooling, Vapor condensation, Cold water cooler, Diesel generator cooler, Transformer oil cooler, Low temperature nuclear heating.