Method for controlling temperatures in the afterburner and combu

Details Method for controlling temperatures in the afterburner and combu Method for controlling temperatures in the afterburner and combu

1980-09-29

1983-07-05

Yuen, Henry C.

Furnaces

Process

Incinerating refuse

110225, 110244, 432139, F23G 504

Patent

active

043912087

ABSTRACT:
The present invention relates to a method for efficiently incinerating waste material, particularly dewatered sludge, in a multiple hearth furnace by controlling the temperature of the individual hearths of the furnace within certain prescribed limits by modulating the amount of combustion air, and controlling the temperature of the afterburner or combustion hearths to within certain prescribed limits by splitting the feed sludge between the first two upper waste material handling hearths.

REFERENCES:
patent: 3536018 (1970-10-01), Phelps
patent: 3777680 (1973-12-01), Eck
patent: 3962128 (1976-06-01), Nelson et al.
patent: 4013023 (1977-03-01), Lombana et al.
patent: 4046085 (1977-09-01), Barry et al.
patent: 4046086 (1977-09-01), von Dreusche, Jr.
patent: 4050389 (1977-09-01), von Dreusche, Jr.
patent: 4182246 (1980-01-01), Lombana et al.
patent: 4227873 (1980-10-01), Manshansen et al.

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