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2019-07-25View Original

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Reply #22019-07-25
请重新翻译,确保所有内容都被正确翻译。
Reply #32019-07-25
130度以下蒸汽加热快,但是需要长时间缓慢加热就比较难,130度以上导热油稳定和经济,因为蒸汽压力过高,设备造价比较高
Reply #42019-07-25
高温,比如250度以上选择导热油,低温用蒸汽。
Reply #52019-07-26
这具体需要看被加热的介质,以及生产车间的条件来核算两者的成本
Reply #62019-07-27
导热油可以加热到200度或更高,也不需要多大压力;蒸汽加热到200度压力很高,夹套对承压有要求,夹套一般使用低压蒸汽可以,中压蒸汽一般不行,
Reply #72019-07-27
导热油稳定,操作稳定,
Reply #82019-11-06
温度,压力。温度高的话,最好使用导热油。
Reply #92019-11-06
导热油用的时间长了会结油垢,大约用6~8年需要切割并清理夹套的油垢,情况严重时需要更换,如果设备出现局部变形、设备进出口温度参数直升不降建议必须清理或返修。
Reply #102019-11-06
水蒸汽的操作条件比较苛刻,温度超过150℃建议使用导热油,设计压力相对于水蒸气比较低,水蒸汽相对于管网压力会较大幅度影响生产工艺。
Reply #112019-12-02
260℃的话饱和水蒸汽压超过3mpa

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