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发明公开
CN108800095A 一种锅炉连排废水余热利用系统及其方法 审中-实审

一种锅炉连排废水余热利用系统及其方法
摘要：
本发明公开了一种锅炉连排废水余热利用系统，包括汽包、锅炉、空气预热器、干式除尘器、第一引风机、湿法脱硫塔、第二引风机、烟气再热器、除盐水箱和烟囱，在汽包和烟气再热器之间设置有连排余热回收装置和过滤清洁装置，连排余热回收装置的进口与汽包的出水口连接，连排余热回收装置的出口与过滤清洁装置的进口连接，过滤清洁装置的出口与烟气再热器的进水口相连，烟气再热器的出水口与除盐水箱的进口连接。本发明还公开了使用该系统利用锅炉连排废水余热的方法。本发明结构简单，实现了回收锅炉连排废水的余热用于消除烟气白烟，同时回收水资源的效果。
摘要（英）：

The invention discloses a boiler continuous blowdown wastewater waste heat utilization system. The boiler continuous blowdown wastewater waste heat utilization system comprises a steam pocket, a boiler, an air preheater, a dry type dust collector, a first induced draft fan, a wet desulphurization tower, a second induced draft fan, a gas-gas heater, a desalting water tank and a chimney. A continuous blowdown wastewater waste heat recovery device and a filter cleaning device are arranged between the steam pocket and the gas-gas heater. An inlet of the continuous blowdown wastewater waste heat recovery device is connected with a water outlet of the steam pocket. An outlet of the continuous blowdown wastewater waste heat recovery device is connected with an inlet of the filter cleaning device.An outlet of the filter cleaning device is connected with a water inlet of the gas-gas heater. A water outlet of the gas-gas heater is connected with an inlet of the desalting water tank. The invention further discloses a method for utilizing boiler continuous blowdown wastewater waste heat through the system. The boiler continuous blowdown wastewater waste heat utilization system is simple in structure and achieves the effects that boiler continuous blowdown wastewater waste heat is recovered and used for eliminating gas fume white smoke and recovering water resources.

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