Waste gas treatment apparatus

Details Waste gas treatment apparatus Waste gas treatment apparatus

1997-10-16

1999-08-03

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422190, 422191, 422216, 422239, 55474, 55518, 96123, 96150, 96152, B01D 5000

Patent

active

059321792

ABSTRACT:
There is disclosed a waste gas treatment apparatus in which dust concentration at a treated gas outlet is sufficiently reduced and the desulfurizing efficiency and denitrating efficiency of grains are increased. The waste gas treatment apparatus includes an inlet member, an outlet member, a moving layer of the grains therebetween, a first perforated plate disposed between the inlet member and the outlet member for defining a front chamber in combination with the inlet member, a second perforated plate disposed between the inlet member and the outlet member for defining an intermediate chamber in combination with the first perforated plate and for defining a rear chamber in combination with the outlet member, and flow controllers for setting the moving speed of grain in the front, intermediate and rear chambers. The moving speed of grains in the front chamber is higher than that in the intermediate chamber and the moving speed of grains in the intermediate chamber is higher than that in the rear chamber.

REFERENCES:
patent: 4149858 (1979-04-01), Noack et al.
patent: 4333751 (1982-06-01), Iwamura et al.
patent: 5294420 (1994-03-01), Ito
patent: 5527514 (1996-06-01), Watanabe et al.

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