PROCESS FOR CALCINING BLENDING MATERIAL WITH HIGH ACTIVITY BY FEEDING OUTSIDE KILN HEAD AND APPARATUS THEREOF

摘要

Disclosed is a process for calcining active blending material involving feeding material outside of a kiln head and the blending material obtained. The process comprises feeding material from outside of kiln head of rotary kiln into inside of kiln hood and to grate cooler, wherein the material is coal gangue, shale, clay, peat, mud and the like which can form active cement component through low temperature calcining, and calcining the material at low temperature. Disclosed also is a cement production apparatus for carrying out the process provided, comprising feeder nose(s) provided on the kiln hood and/or grate cooler for feeding the material.

主权项

1. A process for calcining active blending material involving feeding material outside of a kiln head, comprises the following procedure:
while the clinker upon high temperature calcining in a rotary kiln entering a grate cooler via a kiln hood, feeding material from outside of a kiln head for the second time, wherein the material can form active cement component through low temperature calcining, and calcining the material at low temperature.