["Translate the following texts from chinese_simplified to french. Return ONLY a valid json array of translated strings in the same order.顺序。 No markdown formatting,No explanations."

2018-11-08View Original

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["1离心泵机械密封泄漏"

Reply #22018-11-09

["2普通离心泵输送焦油，负压条件温度九十，原来干气密封撤了现在用机械密封总是用用一个月多就泄露的厉害叫厂家来分析说密封上有干纹，估计是反冲洗效果不好。本来规定机封正常用一年。"

Reply #32018-11-09

"3. 工况条件造成，我们也有好多这种介质，温度对泵有很大影响"

Reply #42018-11-09

"4. 楼上说的对，负压的机封容易抽空，我们这以前也有这种情况，与厂家详细交流一下，看有没有改进的办法"

Reply #52018-11-09

"5. 在负压的情况下反冲洗量小时反冲洗效果会降低产生干磨使密封面出现磨损现在一般是碳化硅和硬质合金配合使用的再检查一下O型圈的配合是否有问题"

Reply #62018-11-09

"6. 不用冲洗，直接用蒸汽或热水急冷试一下，我们在乙烯焦油上试过！"

Reply #72018-11-09

"7. 改带压双端面，带储罐的"

Reply #82018-11-09

"8. 感谢大家，下一步根据大家提供的信息改进。负压十二千帕a"

Reply #92018-11-25

"9不用直接用反冲洗管线加粗试试不行再考虑换机封"

Reply #102020-02-26

"1本帖最后由中恒泵业于 2221-226 09:1 编辑应该是负压造成的。更换一下密封摩擦副的材质。用碳化硅对石墨的试一下。"

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