Feeding system for a lime reburning kiln

Details Feeding system for a lime reburning kiln Feeding system for a lime reburning kiln

1992-09-25

1993-05-25

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432 14, 432106, F27B 702

Patent

active

052134962

ABSTRACT:
A method and apparatus for heat treatment of lime mud comprises drying of the lime mud to be introduced into the lime reburning kiln in a pneumatic dryer by means of flue gases discharged from the lime reburning kiln in order to regenerate the lime content of the lime mud. From a drying filter, the lime mud thickened to a dry solids content of over 75%, preferably to 80%, is introduced into a feed chamber through which an adjustment portion of the flue gas is conducted. Depending on the gas amount, 100% or less of the lime mud is entrained with the gas into the dryer, the remaining portion falling into the lower section of the feed chamber, wherefrom it is further transferred into the lime reburning kiln.

REFERENCES:
patent: 2796249 (1957-06-01), Plass
patent: 3603569 (1971-09-01), Abboud et al.
patent: 3975148 (1976-08-01), Fukuda et al.
patent: 4028049 (1977-06-01), Naudy
patent: 4118176 (1978-10-01), Mollenkopf et al.
patent: 4392822 (1983-07-01), Brachthauser et al.
patent: 4747879 (1988-05-01), Wolter et al.
patent: 4891007 (1990-01-01), Herchenbach et al.

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