300MW锅炉优化运行.pdf

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2017-06-22 发布于贵州
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300MW锅炉优化运行.pdf

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300MW锅炉优化运行

目录 3 1 概述································································ 1.1CFB 锅炉基本运行原理················································3 1.2 3 锅炉布置方案概述 ··················································· 2 投产初期普遍存在的问题 ···············································4 2.1 4 回料器返料至炉膛处非金属膨胀节危害·································· 2.2外置床流化不良·······················································4 2.3 5 回料器回料不畅······················································ 2.4 排渣困难 ····························································6 2.5 7 给煤不畅···························································· 2.6 炉内受热面磨损 ······················································8 3 300MW 循环流化床锅炉翻床事故的分析及处理···························9 3.1 国产300MW 循环流化床锅炉翻床现象··································10 3.2 10 循环流化床锅炉翻床的原因分析 ······································· 3.3 循环流化床锅炉翻床处理············································10 3.4 循环流化床锅炉锅炉翻床的预防措施 ···································11 4 300MW 循环流化床锅炉磨损治理措施 ···································11 4.1 设备治理与改造 ·····················································11 5 循环流化床锅炉节能改造技术 ··········································12 5.1 12 加装燃油节能器 ····················································· 5.2 安装冷凝型燃气锅炉节能器 ···········································13 5.3 13 采用冷凝式余