详细信息
攀成钢210m2烧结机烟气脱硫工程于2011年9月开工建设,2012年4月底开始投产试运行。该工程烟气脱硫系统处理对象为烧结机机头全部烟气,系统采用氨水-硫酸铵湿法脱硫工艺及国内先进的“双循环喷淋空塔”。该脱硫系统烧结机主抽后的烟气经脱硫增压风机加压后,送入脱硫系统,净化后由塔顶烟囱排出。烟气脱硫后生成的硫酸铵经氧化、蒸发、结晶、干燥后,包装成硫酸铵产品。该产品可作为化工生产原料及农业肥料,极大降低了脱硫系统的运行成本,实现了烧结机脱硫副产品的资源化有效利用。
试运行期间,该工程全烟气脱硫效率不低于95%,脱硫系统与烧结机同步率不低于97%,二氧化硫年脱除量达17296吨。工程环境效益显著,有利于缓解成都市及周边地区的酸雨污染,对推进区域减排工作大有裨益。12月3日,攀钢集团成都钢钒有限公司炼铁厂向中冶长天递交《210烧结机头烟气脱硫试生产情况总结》,正式宣布由中冶长天总承包建设的攀成钢210平方米烧结机烟气脱硫工程经过近8个月的试运行,粉尘、二氧化硫排放浓度等主要技术经济指标均已达到设计要求,顺利通过验收。
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