mors9 Posted January 19, 2021 Share Posted January 19, 2021 Hey, We have a 1000L steam jacketed still with 2 12 inch columns. They are run in series meaning the vapor path of the first column enters the bottom of the second column and then exits the second column and enters the condensor. Each column has a deflegmator with the water run in parallel. Each column has a return pipe in the bottom for the reflux to return to the boiler. This return pipe dips down below the surface of the wash in the boiler. The issue we're having is the refulx return in each boiler pulls wash into the boiler and doesn't allow the refulx to return to the boiler. This causes the columns to flood from the bottom up. We've tried reducing the steam pressure to almost zero and the issue still persists so it's not that we're running too hot. Anyone have any thoughts on what the issue could be? Maybe something obvious I'm missing. Thanks. Link to comment Share on other sites More sharing options...
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