Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1988-11-07
1991-08-27
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422177, 422220, 422222, F01N 308
Patent
active
050431463
ABSTRACT:
A denitration reactor comprises an entrance duct portion into which exhaust gas from a boiler flows, an intermediate duct portion incorporating therein a catalyst layer for denitration, and exit duct portion connected to the intermediate duct portion. The intermediate duct portion is so disposed that an axis thereof is perpendicular to an axis of the entrance duct portion. The reactor further comprises a bent portion for connecting the entrance duct portion to the intermediate duct portion, and a flow controller. The wall of the bent portion is inclined with an inclination angle .theta. and extends from a section on which one wall of the intermediate duct portion crosses a surface of a floor of the entrance duct portion to a section on which a plane including opposite wall of the intermediate duct portion crosses a roof of the entrance duct portion. The flow controller is so disposed in the intermediate duct portion that an exhaust gas introduction surface of the flow controller coexists with the floor of the entrance duct portion on the same plane.
REFERENCES:
patent: 3880597 (1975-04-01), Goldschmidt et al.
patent: 4213766 (1980-07-01), Wyatt
patent: 4322386 (1982-03-01), Masutomi et al.
patent: 4471821 (1984-09-01), Coulon et al.
patent: 4544526 (1985-10-01), Billings
patent: 4726935 (1988-02-01), Inatsune et al.
Ishikawa Tomihisa
Matoba Kozo
Mukai Masato
Wada Toshimichi
Babcock-Hitachi Kabushiki Kaisha
Griffith Jr. D. John
Warden Robert J.
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