Efficient countercurrent dechlorination extraction tower for household garbage incineration fly ash

Abstract

The utility model discloses a kind of household garbage incineration fly ash efficient countercurrent dechlorination extraction tower, including screw feeder, screw feeder discharge end is connected extraction tower, the top inside extraction tower is equipped with receiving table, and the receiving table is equipped with broken piece, receiving table middle part is rotatably connected with rotating shaft, and rotating shaft is fixedly connected with push plate, opening for fly ash to fall is equipped on receiving table, dispersing disc is equipped below receiving table, and dispersing disc is connected with rotating shaft;Multiple rotating sieve plates arranged with interval from top to bottom are equipped below dispersing disc in extraction tower, and washing liquid inlet pipe is connected on the extraction tower below multiple rotating sieve plates, and circulation pipe connected with washing liquid inlet pipe is connected on the extraction tower above multiple rotating sieve plates;High-chlorine waste water discharge pipe is equipped in the bottom of extraction tower, the bottom end of extraction tower has conical sedimentation zone, and conical sedimentation zone bottom is connected with spiral discharger.The utility model can automatically feed and strengthen mass transfer, greatly improve dechlorination efficiency, reduce washing liquid consumption, and realize high-chlorine waste water high-concentration recovery.

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