通过半干法脱硫技术在国内燃煤电厂的应用情况调研，从排放指标、吸收剂情况、运行稳定性、除尘情况、烟囱防腐情况和脱硫灰处置角度，分析了半干法脱硫技术特点及其应用中存在的问题，并提出了半干法脱硫设计运行时的注意事项，以期为下一步燃煤机组脱硫提效改造方案提供新思路。%Through investigation of semi - dry desulfurization technologyˊs application in coal - fired power plants in China,several points were concerned,including emission index,absorbent,operation stability,dedusting,chim-ney anticorrosion and desulfurization residues disposal. Characteristics of semi - dry desulfurization technology and problems in application were analyzed,and several matters needing attention were raised in its design and operation,in order to provide new ideas for coal - fired power plant desulfurization transformation.
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