Apparatus and method for the production of cement clinker

Details Apparatus and method for the production of cement clinker Apparatus and method for the production of cement clinker

2005-02-21

2009-06-30

Wilson, Gregory A (Department: 3749)

Heating

With heating gas conveying, agitating, scattering or...

C432S014000, C106S739000

Reexamination Certificate

active

07553155

ABSTRACT:
Apparatus and method for the production of cement clinker, wherein raw meal is preheated in a heat exchanger and is burnt in a kiln to form cement clinker and the exhaust gases from the kiln flow in succession through the heat exchanger and a catalytic converter, wherein the exhaust gases are analysed before and/or after the catalytic converter arid the preheated raw meal is precalcined in a calciner. Moreover, for the subsequent catalytic exhaust gas purification the provision of a calciner has the advantage that higher exhaust gas temperatures are produced so that a throughput is produced. As a result the required volume of the catalytic converter is reduced and the investment costs are lowered.

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