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热力发电  2015 

300mw机组cfb锅炉滚筒冷渣器存在问题及处理

, PP. 129-132

Keywords: 300mw机组,cfb锅炉,滚筒冷渣器,堵塞,排渣温度,换热效率

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Abstract:

某电厂2×300mw机组循环流化床(cfb)锅炉滚筒冷渣器在运行中存在出力不足、排渣温度高等问题,提出了拆除滚筒冷渣器内层水冷套,将双筒改为单筒结构,并在内壁按轴向均匀增加8组水冷管排等改造措施。实施后,基本解决了滚筒冷渣器进渣端板散热差以及夹层进渣口堵塞、排渣温度高等问题,提高了冷渣器的换热效率,保证了滚筒冷渣器长时间的连续稳定运行。

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