Title:
設備内でのセメントクリンカ製造方法、およびこのようなセメントクリンカ製造設備
Document Type and Number:
Japanese Patent JP2012531378
Kind Code:
A
Abstract:
A method for producing cement clinker in a plant that includes: a first cyclone preheater and a second cyclone preheater for preheating first and second portions of a raw material, respectively; a precalcinator using a combustion gas for burning a fuel, the fumes released by the precalcinator being directed to the second cyclone preheater; a rotary furnace provided with a fuel burner, the fumes released by the rotary furnace being directed to the first cyclone preheater; and a clinker cooler that blows cooling air across the clinker at the outlet of the rotary furnace. According to the method, the precalcinator combustion gas contains between 90 and 100 vol % of oxygen. The precalcinator may consist of a fluidized bed, the fluidization gas being the combustion gas. The invention also relates to a plant as such.
Inventors:
Devloe, Sebastian
Application Number:
JP2012518105A
Publication Date:
December 10, 2012
Filing Date:
June 30, 2010
Export Citation:
Assignee:
FIVES FCB
International Classes:
C04B7/44; F27B7/34; F27B15/08; F27B15/14; F27D13/00; F27D15/02; F27D17/00
Domestic Patent References:
| JPS49117517A | 1974-11-09 |
Foreign References:
| WO2008056068A1 | 2008-05-15 |
Attorney, Agent or Firm:
Keiichi Ota