Preparation method of ultra-fine desulfurizer slurry and device thereof
Title：
Preparation method of ultra-fine desulfurizer slurry and device thereof
Application Number：
 200610165584
Application Date：
 2006/12/22
Announcement Date：
 2007/08/01
Pub. Date：
Publication Number：
 101007236
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 B01D 53/50, B01D 53/80
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Zhang Jie, Zhao Suwei, You Zhangfu
Key Words：
 ultra-fine, desulfurizer slurry, preparation
Abstract：
 A superfine desulfurizer slurry preparation methods and devices relates to the desulfurizer Preparation in flue gas desulfurization technology. The invention is characterized by: preparing the desulfurizer slurry using block-shaped calcarea lime materials in larger size, using local high temperature reaction heat when block-shaped calcarea lime hydrate and the volume expansion action of lime hydration to break the block-shaped calcarea lime into super-fine calcium hydrate particles. The preparation method can significantly reduce the desulfurizer particle size, not only increase calcium utilization rate of desulfurizer particles and reduce the spray volume of desulfurizer slurry, but also enhance the suspension property of desulfurizer particles in slurry; it can reach higher desulfurization efficiency under lower rate of calcium to sulfur, while increase the security and stability of system operation significantly, thereby achieves semi-dry desulfurization system highly effective and stable operation.
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