蒸汽节能系统操作中预防压力管道安全事故的技术措施有哪些？

日期： 2023-11-06 作者：晟德亿编辑

预防压力管道安全事故的技术措施。

在压力管道中，蒸汽管道的内部介质大多是沸腾的热水。由于使用寿命长，管壁变薄，管道的压力达到管道的承载能力，导致管道爆炸事故。蒸汽管道每隔3-5年后，建议进行试管承压试验。

蒸汽管道的腐蚀容易发生在管道的弯曲和弯曲部分。流线型管段有蒸汽流入和流向变化的部分。埋管外下表面容易腐蚀。在管道强度设计中，应根据管道介质的特性、流速、工作压力、管道材料、使用寿命等计算介质对管道的腐蚀率，并在此基础上选择适当的腐蚀裕度。壁厚的腐蚀裕度一般在1.5mm-6mm范围内。

管道在控制或保持热量的情况下应进行保温，以减少由于阳光或外界温度过高引起的管道蒸发。设备应保温；在操作人员可能接触到的范围内，应作为防烫措施进行保温。

管道保温常用的保温材料有毛毡、石棉、玻璃棉、石棉水泥、岩棉和各种保温泡沫塑料。材料的导热系数越小。容量（单位体积质量）越大。吸水性越低，保温性能越好。此外，材料稳定、不可燃、耐腐蚀、一定强度等有利于材料的保温。

管道防腐涂层。防止管道腐蚀应从两个方面入手：一是合理选择管道，即根据内部介质的性质选择具有耐腐蚀性的管道材料；二是采取涂层防腐、衬里防腐、电化学防腐、缓蚀剂等合理的防腐措施。其中，涂层防腐应用广泛，涂层防腐应用广泛。

上一篇：安徽蒸汽减温建业装置推荐下一篇：蒸汽节能系统中压力管道的维护方法有哪些？

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热门标签更多

蒸汽排气阀蒸汽发生器选购注意事项密闭冷凝水回收装置减温减压装置工业蒸汽系统在蒸汽换热后存在高温冷凝水、低品质蒸汽、乏汽等余热未回收的问题闪蒸罐汽水分离器蒸汽发生器热泵化工、石化、食品等企业换热设备产生的高温冷凝水闪蒸系统再返回用汽设备进行换热生产。

二、在锅炉连排废水后端安装焓差补偿式扩容净化蒸汽调节阀彻底解决了锅炉连排损失问题。

蒸汽引射提温升压 ORC发电冷凝水疏水系统蒸汽发生器可以节能吗？蒸汽疏水阀的作用有哪些？乏汽闪蒸设备固定流道式闪蒸系统焓差补偿式扩容净化回收器蒸汽减温减压器冷凝水回收装置蒸汽疏水阀有哪几种？蒸汽减温减压蒸汽疏水阀为什么会漏汽？高频电磁蒸汽发生器G-ZQ 120KW 乏汽增压系统

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