Heat exchanger with preliminary calcining

Details Heat exchanger with preliminary calcining Heat exchanger with preliminary calcining

1978-09-08

1980-12-02

Camby, John J.

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432 58, F27B 702

Patent

active

042368880

ABSTRACT:
Heat exchanger for rotary kiln installations wherein cement klinker or the like is burned and wherein precalcining of raw dust or power is effected in the heat exchanger through supplying fuel thereto, includes a calcining device connectible in a riser pipeline extending from a rotary kiln to the heat exchanger directly above an inlet head of the rotary kiln, the calcining device including a lower stage constructed as a mixing chamber for waste gas from the rotary kiln and a klinker cooler, and an upper stage constructed as a calcining chamber having means for supplying raw dust or powder thereto, the calcining chamber having outlet means comprising a plurality of discharge channels.

REFERENCES:
patent: 3975148 (1976-08-01), Fukuda et al.
patent: 4071310 (1978-01-01), Ghestem
patent: 4130390 (1978-12-01), Kobayashi et al.

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