单面机导热油和蒸汽那种加热方式更好 有导热油会不会比用蒸汽的速度慢

2025-04-08 07:09:54
推荐回答(2个)
回答1:

导热油速度肯定比蒸汽要快的,因为导热油的温度最低也在240度以上,而饱和蒸汽都在200度以下,不过蒸汽热分布均匀,导热油对管道及设备有密闭和防火要求,如果设备内部空间小,我建议用导热油,如果设备内空大最好就用蒸汽。

回答2:

各有长处和不足,
导热油的热损失小,作完功后从新返回加热系统,一般是热油炉,加热后从新供热,也就是循环作业。工作温降后油的余热被油带回加热系统,故不考虑油在流动中的散热损失,其它的热损失基本没有。
而蒸汽则不然,蒸汽工作完后,不管是什么参数,是低温汽体还是热水,尤其是蒸汽,不能直接送回锅炉内加热,只能用冷却的方法降温成温度相对低的水才能返送回锅炉从新利用。多数单位这种冷却时的热量都不能回收。成了热损失。
但热油不像蒸汽,用法单一,又有防火等问题,并且目前常见的热油炉的热效率都比较低。热油本身的价格高 。

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