Smoke waste heat recovery system of power station boiler and method thereof
A technology of waste heat recovery system and power plant boiler, which is applied in the direction of preheating, feed water heater, lighting and heating equipment, etc. It can solve the problems of not considering the concentration of flue gas ash, easy ash accumulation in heat exchanger, and waste of fuel, etc., to avoid Effects of low-temperature corrosion and condensation, improvement of equipment safety, and reduction of coal consumption for power supply
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[0019] The system of the present invention is further described below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following Example.
[0020] Such as figure 1 As shown, the waste heat recovery system for power station boilers involved in this embodiment includes: baffle plate 1, acid dew point meter 2, bypass flue 3, return water heater 4, bypass flue fan 5, controller 6, return Water inlet temperature sensor 7, return water introduction pipeline 8, return water frequency conversion water pump 9, return water outlet temperature sensor 10, electric three-way regulating valve 11, medium temperature return water outlet pipeline 12 and low temperature return water outlet pipeline 13, among which : The bypass flue 3 is closely c...
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