Device and system for producing cement clinker

Device and system for producing cement clinker

  • CN 102,186,791 B
  • Filed: 10/19/2009
  • Issued: 02/08/2017
  • Est. Priority Date: 10/24/2008
  • Status: Active Grant
First Claim
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1. cement slurry is wherein preheated in preheater by a kind of method producing clinker, and the cement slurry of preheating is existedPreroast in calciner (3), and the cement slurry of preroast is burnt in kiln (4), make in described calciner (3)With fuel and the combustion air with least oxygen content of 75mol%, and the waste gas producing in described kiln is bypassed described roastingBurn device (3) and be transported to described preheater, and the waste gas of described calciner is then transported to carbon dioxide preparation facilities, and notMix with the waste gas of described kiln,It is characterized in that:

  • Described cement slurry is carried out in the fluid bed in described calciner (3) preroast, described fluidisationBed works at steady state, and discharges described preroast from the described fluid bed below the expansion point of developing fluid bedRaw material, and it is sent to described kiln (4).

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