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2017-03-10View Original

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本帖最后由 liaifeng 于 2018-9-10 20:06 编辑 斯科特单元停工,急冷塔的PH值一般要靠补氨气开维持PH至碱性,减少对设备的腐蚀。往往硫磺停工是在整个炼油装置结束后才进行,这时候可能就没有氨了。 你们有什么好办法解决吗?
Reply #22017-03-10
现在除了注氨工艺,可以从材料选择上面入手,选择抗腐蚀能力强度,例如不锈钢等,当然设备费用会升高
Reply #32017-03-10
注氢氧化钠好控制不?有无副作用?
Reply #42017-03-10
我们这次检修也准备改不锈钢材质。单是泵的腐蚀仍然存在啊。叶轮腐蚀了,泵不上量,问题会很严重。

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