Apparatus for removing high-volume, low concentration non-conden

Details Apparatus for removing high-volume, low concentration non-conden Apparatus for removing high-volume, low concentration non-conden

1995-04-13

1997-10-14

Savage, Matthew O.

Paper making and fiber liberation

Apparatus

Digester

431123, 431161, 431187, D21C 1106, D21C 1114

Patent

active

056767978

ABSTRACT:
An apparatus for introducing a high volume, low concentration non-condensable gas, which may contain sulfur into a chemical recovery steam generator furnace comprising: a plurality of gas inlet pipes, each gas inlet pipe having a source end and a nozzle end, in which the source end of the pipe is connected to a source of said high volume, low concentration non-condensable gas and the nozzle end of the pipe, which comprises a nozzle, vents to said chemical recovery steam generator furnace; a preheater positioned in close proximity to said pipe and upstream of said nozzle; a secondary air port with a source end and a furnace end, in which the source end of said port is connected to a source of such secondary air and the furnace end of said port vents to said chemical recovery steam generator furnace; wherein the area enclosed by said secondary air port is greater than the area of said nozzle and wherein said nozzle is positioned within the area enclosed by said secondary air port such that said pipe and said port are substantially co-axial with respect to one another is described.

REFERENCES:
patent: 3396076 (1968-08-01), Crosby et al.
patent: 3520772 (1970-07-01), Lindberg
patent: 3828700 (1974-08-01), Ragot
patent: 3836315 (1974-09-01), Shular
patent: 4156590 (1979-05-01), Pariani
Lindberg, "How Uddeholm Destroys Air and Water Pollutants at the Skoghall Works," Svensk Papperstidning arg. 69, Aug. 15, 1966, pp.484-487.

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