Method for producing cement clinker

Details Method for producing cement clinker Method for producing cement clinker

1998-01-28

2000-02-29

Marcantoni, Paul

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106759, 106761, 106762, C04B 743

Patent

active

060304480

ABSTRACT:
The invention relates to the production of cement clinker from cement raw material using a preheating zone, a calcination zone, a heating zone in which the calcined material is further heated whilst avoiding the formation of a molten phase, as well as a clinker burning zone and cooling zone from which part-quantities of the hot exhaust air are delivered as combustion air together with proportions of fuel to the clinker burning zone, the heating zone and the calcination zone. A reliable further heating while avoiding incrustations is achieved in the heating zone by constructing this zone in the manner of a flue stream reactor to which calcined material, fuel and combustion air are delivered in the lower end region of a rising first treatment zone at one point in each case and from which the heated material is precipitated essentially by the effect of gravity overlaid with centrifugal action.

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patent: 4507153 (1985-03-01), Herchenbach
patent: 4557688 (1985-12-01), Nielson
patent: 4561842 (1985-12-01), Nielson
patent: 4579526 (1986-04-01), Kreft et al.
patent: 5204654 (1993-11-01), Kreft et al.
patent: 5259876 (1993-11-01), Enkegaard

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