Method of and apparatus for incinerating refuse

Details Method of and apparatus for incinerating refuse Method of and apparatus for incinerating refuse

1975-02-14

1977-04-26

Lutter, Frank W.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

23262, 55 6, 55 84, 55124, 55226, 55228, 261DIG9, 423240, F23B 100

Patent

active

040194442

ABSTRACT:
An incinerator gas is first passed through an evaporative cooler operating above the dew point of the gas and then the gas is passed through an electrostatic precipitator or cyclone which strips dry particles from the gas. Thereafter the gas passes through a scrubber operating with a scrubbing liquid so as to produce a solution that is fed to a clarifier. The decantate from the clarifier is recirculated as the scrubbing liquid whereas the sludge is neutralized and fed back into the evaporative cooler. Flash evaporation of this neutralized sludge in the cooler causes salt to crystalize so that these crystals can be stripped out at the downstream dry filter. A valve body at the outlet side of the scrubber is positioned in accordance with gas pressure inside the incinerator so as to maintain back pressure within the system substantially uniform.

REFERENCES:
patent: 2677439 (1954-05-01), Hedberg
patent: 2835562 (1958-05-01), Boyer et al.
patent: 3502441 (1970-03-01), Hudson
patent: 3518812 (1970-07-01), Kolm
patent: 3619983 (1971-11-01), Rohr
patent: 3695004 (1972-10-01), DeLisio et al.
patent: 3726065 (1973-04-01), Hausberg et al.
patent: 3820307 (1974-06-01), Hausberg et al.

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