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德士古全废锅流程辐射废锅结渣原因及改进

Clean Coal Technology(2013)

Cited 24|Views7
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Abstract
介绍了德士古全废锅流程辐射废锅工艺流程及内部结构,同时对导致德士古全废锅流程结渣的辐射废锅因素,如内部结构、原料煤煤质内水、煤灰含量、煤灰矿物质等进行了全面分析。通过减小辐射废锅换热面积,增大中间通道横截面,加高滴水檐高度,严格控制原料煤的内水含量、灰分、灰熔融性及煤灰中SiO2,Al2O3的含量,对德士古气化炉三流道内外混工艺烧嘴中的环氧喷嘴角度、环氧烧嘴深度、中心氧管深度等方面进行改造,解决了德士古全废锅流程结渣问题。
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Key words
radiation heat exchanger,coking,Texaco gasifier
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