球团工艺活性焦脱硫脱硝系统运行问题分析

Metallurgical Power(2020)

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Abstract
沙钢链篦机-回转窑球团系统烟气脱硫脱硝采用活性焦工艺自投入运行以来,出现了大烟道腐蚀,净化塔喷氨区粘结物堵塞等情况,对系统的运行效率造成了一定的影响.经过对活性焦系统腐蚀物和粘结物的分析,判断是由于链篦机-回转窑工艺中生成的氯化氢气体,导致在大烟道形成酸腐蚀,在喷氨区形成氯化铵结晶堵塞.基于对原因的分析,提出了改进措施和应对方案.
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