【摘 要】
：
煅烧水泥熟料依靠热力活化、机械活化和化学活化的有机结合,才能实现大幅度的节能减排.现实的预分解窑主要靠热力活化缓慢加热物料,导至贝利特钝化,形成阿利特时能耗增加.然
【机 构】
：
青海辰戊有害气体利用有限公司,青海810700北京工业大学材料学院,北京100124
【出 处】
：
第二届水泥工业节能减排及清洁生产控制技术高峰论坛暨水泥工业脱硝、除尘技术专题会
论文部分内容阅读
煅烧水泥熟料依靠热力活化、机械活化和化学活化的有机结合,才能实现大幅度的节能减排.现实的预分解窑主要靠热力活化缓慢加热物料,导至贝利特钝化,形成阿利特时能耗增加.然而,化学活化需添加矿化剂,导致矿化剂在窑尾循环富集堵塞、结皮.结果,企业往往是通过增大窑型或加大火力强度来应对,造成NOx排放成倍增长,带来的环境问题尤为突出.为此,采用生活垃圾或电石渣中的氯离子为化学活化与热力活化结合起来,通过降低系统反应温度来实现温度梯度→∞;即低温急剧煅烧熟料,而且还利用碱的氯化物抑制还原氮氧化物,能够有效实现降低90％NOx排放.
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