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@TiCl4 thank you for understanding the question! Yes we have chemically cleaned our hx's, also opened them up and cleaned the process water biological fouling. However when we do we lose cooling efficiency and in turn lose production which is obviously big $$$. If we could keep them clean or...

Has anyone tried to mechanically clean a spiral plate heat exchanger with sponge balls, bristle balls, or any other type? I am familiar with the shell and tube process of this type of cleaning and how much more performance is obtained. If you could circulate cleaning balls in a plate exchanger...