Posted by admin | Posted in Uncategorized | Posted on 30-01-2010
Tags: brazed, energy, exchanger, heat, heat exchanger, heat exchanger calculations, heat exchanger crack, heat exchanger design, heat exchanger effectiveness, plate
Heat Exchanger
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| The Home Repair Site |
Can a plate heat exchanger be used to condense steam?
I want to input steam in one side and blowing air into the other side. The objective is condensate steam with air using a plate heat exchanger instead of an air cooled condenser. Any advice?
Sure, a plate heat exchanger can be used as a condenser. But they are not often picked for this service because they do not have as high a volume to surface area ratio as a tube-in-shell heat exchanger. Plus, if your plate HX is run at a vacuum, you have to aware of dP across the plates and account for the structural impact of potential bowing and add the needed supports.
Finally, you have to be aware of how to handle the condensate, once you condense water it effectively limits access of steam to the heat transfer surfaces, the space between plates has less volume to allow condensate to drain and also less volume for steam lanes to allow it to get access to the cool surfaces.
