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2019-02-08View Original

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user
Reply #22019-02-08
Translate the following pérdida json
Reply #32019-04-26
Juventus
Reply #42019-04-27
有关锅炉进水
Reply #52019-04-27
锅炉进水中为什么要添加氢氧化钠和磷酸三钠
Reply #62019-05-05
新锅炉投用前要使用氢氧化钠和磷酸三钠碱洗,正常投用后不再加入氢氧化钠,只加入磷酸三钠,其作用是磷酸三钠在汽包内的温度和压力条件下可以和炉水中的钙盐和镁盐等盐类生成疏松的水渣,这些水渣可以比较容易的由连续排污排除。应分析炉水磷酸根含量来控制加药量。顺便说一下曾经有人提出来把磷酸三钠加入除氧器,理由是除氧器压力低,更容易加入。但这是完全错误的,因为在除氧器里面的温度压力条件下,磷酸三钠无法与盐类反应生成水渣。

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