Dalian to promote primary sewage source heat pump technology cooling and heating

Direct use of urban wastewater in low-grade energy used for heat in winter, cool in the summer and hot water preparation, current, energy-saving air-conditioning plant Dalian Hoko independent research and development of sewage source heat pump system has been running smoothly for nearly five months in the zone Friendship Shopping Center . Recently, the Municipal Economic Commission organized the application of primary sewage source heat pump technology promotion. Liaoning Provincial Department of Construction official said the original sewage source heat pump project in the province and even the country are the first of its kind.

According to reports, the system's initial investment and operating expenses savings rate of 20% or more. As a machine with three, eliminating the need for ordinary central air conditioning cooling towers , boiler room or heat exchanger room heat net and other initial investment; compared to water source heat pump, eliminating the need for drilling costs; compared to soil source pump, saving land and Investment costs.

Primary sewage source heat pump technology not only energy saving, but also environmental protection. Compared to large coal-fired boiler, the primary energy efficiency above 80%, the unit heating load power consumption than the ground water source to save 10% 50% 30% 60% saving operating costs than conventional central air conditioning system. Since the entire system does not require a cooling tower, there is no problem of water evaporation and flooding in summer operation, and more than 4,000 tons of water can be saved by 10,000 square meters. Furthermore, the energy per 1 ton of waste water can be reduced to 4.8 kg of carbon dioxide emissions, a large number of further reducing emissions sulfide, nitride. At the same time, completely solve the cooling tower or air-cooled cooler operating noise.

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