Can the steam coil or tube banks inside the reactor be directly fed with high-temperature steam when the reactor is empty (under 0.5 MPa of nitrogen pressure)?
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Can the steam coil or tube bundles inside the reactor be directly fed with high-temperature steam when the reactor is empty (under 0.5 MPa of nitrogen pressure)? Is there any damage to the tube bundle or coiled tube if there is no heat exchange medium on the other side for a long time?
Are you worried that the metal pipes will be damaged by steam?
No, I’m worried that if material is fed in suddenly when the temperature is low, it might vaporize abruptly and damage the equipment
The correct sequence of operation should be to first add the material and then the cooling or heating medium. It is important to understand that the operating temperature we control is the temperature of the material, not that of the cooling or heating medium.