Apparatus for heat treatment of lime sludge

Details Apparatus for heat treatment of lime sludge Apparatus for heat treatment of lime sludge

1994-06-29

1997-11-11

Bennett, Henry A.

Heating

Shaft type

432 96, 432103, 432 14, F27D 108

Patent

active

056857098

ABSTRACT:
Disclosed is a method and an apparatus for the heat treatment of lime sludge (CaCO.sub.3) to form burnt lime (CaO). In the method of the present invention lime sludge is dried in a gas dryer means, to produce a dried lime sludge. The dried lime sludge is separated from the gases and thereafter is first fed to a compacting means wherein it is compacted into a plurality of substantially uniform bodies which are thereafter fed to a shaft kiln in which the compacted dried lime sludge is converted to active burnt lime.

REFERENCES:
patent: 4352661 (1982-10-01), Crookston et al.
patent: 4583470 (1986-04-01), Hirose
patent: 4852269 (1989-08-01), Glorioso
patent: 4919906 (1990-04-01), Barber
patent: 4952147 (1990-08-01), Boyden, II et al.

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