Wet-type purification treatment method and device for flue gas of domestic garbage incineration power plant
A technology of domestic waste incineration and wet purification, applied in chemical instruments and methods, separation methods, ammonium halide, etc., can solve the problems of high equipment investment and high operating costs, and achieve the effects of high dust removal efficiency, high maintenance costs and stable operation.
Active Publication Date: 2016-02-03
王全
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The invention discloses a wet-type purification treatment method and device for flue gas of a domestic garbage incineration power plant. An ammonia water quenching device, a power spray activated carbon device and a bag-type dust collector are sequentially connected through air ducts, the air inlet end of the ammonia water quenching device can be connected with the flue gas outlet end of the domestic garbage incineration power plant, and a compressed air system is further connected to the air duct between the ammonia water quenching device and the power spray activated carbon device; a compressed air system is arranged below a dust hopper of the bag-type dust collector, the dust hopper is connected with a flying dust bin through a pipeline, an outlet flue of the bag-type dust collector is connected with a washing and concentration section of a wet-type deacidifying tower through a pipeline, and the wet-type deacidifying tower comprises an absorption section, the washing and concentration section and an oxidizing section; spray nozzles capable of spraying ammonia water are arranged in the absorption section of the wet-type deacidifying tower, a flue gas exhaust pipeline of the wet-type deacidifying tower is connected with defogging equipment, the oxidizing section of the wet-type deacidifying tower is connected with an oxidation air blower, and an ammonia chloride and ammonia sulfate outlet of the oxidizing section of the wet-type deacidifying tower is connected with crystallizing equipment.
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