新型干法水泥窑系统存在硫循环动态平衡,即部分硫始终处于系统当中参与动态循环,硫循环与系统结皮堵塞和SO2排放关系密切.本文通过工业现场测试,对比研究高固气比预热分解系统和普通预热分解系统的硫循环,探讨了硫收支动态平衡和硫动态循环机理,提出用硫循环度ε作为系统中硫参与循环程度的参数,用硫循环动态平衡理论对高固气比系统SO2减排优势进行了解释.研究结果表明通过对硫循环进行操控可以实现对结皮堵塞防止和SO2减排.
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