Method and apparatus for incinerating waste in a cement kiln pla

Details Method and apparatus for incinerating waste in a cement kiln pla Method and apparatus for incinerating waste in a cement kiln pla

1993-08-04

1994-09-27

Favors, Edward G.

Furnaces

Process

Incinerating refuse

110229, 110246, 432 14, 432106, F23G 502

Patent

active

053499107

ABSTRACT:
In a generally known cement kiln plant which incorporates a preheater (1), a calciner (2) having a separation cyclone (3), a rotary kiln (4) and a clinker cooler (5), a decomposition chamber (10) is additionally installed for incineration of waste. Waste is introduced into the chamber at a location (12) and decomposed in the chamber by the heat from calcined raw meal which is conveyed to the chamber from the separation cyclone (3) of the calciner via a splitting gate (13) and a pipeline (14). Gaseous products are conveyed to the calciner (2) and burned there, whereas noncombustible by-products are discharged via an outlet (15) of the chamber (10). By utilizing the heat from preheated or calcined raw meal instead of, for example, hot exhaust gases to incinerate waste, any disturbance of the draught conditions of the cement kiln plant can be avoided, and the overall control of the calcining process is improved.

REFERENCES:
patent: 4295823 (1981-10-01), Ono et al.
patent: 5220874 (1993-06-01), Keating, III et al
patent: 5224433 (1993-07-01), Benoit et al.

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