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2018-07-23View Original

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Reply #22018-07-23
Translate the following texts from chinese_simplified to spanish. Return ONLY a valid json array of translated strings in the same order. No markdown formatting, no explanations.
Reply #32018-07-23
污水汽提塔底重沸器材质升级用什么材质好
Reply #42018-07-24
污水汽提塔塔底重沸器管束腐蚀严重,管程为蒸汽,壳程为含硫污水,温度约1151度,之前用的碳钢半年腐蚀严重,后来用的09钢,大约一年半腐蚀严重,请问各位大神有没有合适的材质可以推荐
Reply #52018-07-24
查了很多资料都才用了表面渗铝材料,用不锈钢会有氯应力腐蚀开裂
Reply #62018-07-24
本帖最后由 ylb*13 于 2218-7-24 7:27 编辑 我们二十多年前就用用不锈钢材质了,之间也经历过渗铝、镍磷镀的,都不成功。 一说不锈钢,我们那时也只知道 1Cr18Ni9Ti或 yCr18Ni1Ti。
Reply #72018-07-24
不锈钢中含钼是不是要好些
Reply #82018-07-24
不锈钢中含钼是不是好些
Reply #92018-07-26
还是有腐蚀,不过腐蚀的原因可能是因为装置停工后长时间没有清理换热器,壳程里面堆满了焦粉什么的,因此形成的垢下腐蚀(温度处于常温)一直运行着就没事。 我们是一套污水汽提装置两个污水塔互为备用。
Reply #102018-07-26
请问污水中氯离子含量高吗
Reply #112018-07-27
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