ENERGY-SAVING SYSTEM FOR ADOPTING ELECTRIC HEAT PUMP TO DEEPLY RECYCLE SMOKE WASTE HEAT OF THERMAL POWER PLANT FOR CENTRALIZED HEATING

摘要

An energy-saving system for adopting an electric heat pump to deeply recycle smoke waste heat of a thermal power plant for centralized heating, comprising a coal-fired boiler (1), a steam turbine (2), a condenser (3), a heating network heater (4), a condensate tank (5), a condensate delivery pump (6), a dust collector (7), a flue gas waste heat recovery tower (8), a chimney (9), a waste heat recovery circulating water pump (10), an anti-corrosion and efficient water-water plate heat exchanger (11), an electric heat pump (12), a NaOH storage tank (13), a NaOH preparation device (14), a NaOH solution pump (15), a check valve (16), a flue gas inlet valve (17), a condensate collection tank (21 ), a flue gas bypass pipeline valve (37) and multiple valves and connecting pipelines.