Hi St. Benjamin,
There are two things to do to avoid scorching wort on a direct fire brew kettle with a center clean out pipe. The first is to be sure your burners are not putting heat directly onto that center pipe (or are not too close to it). The other thing you might consider is wrapping that pipe with insulation (e.g., rock wool insulation or similar) if you are still seeing issues. Another measure would be to actively recirculate the wort while boiling, using the tangential inlet and the center cleanout pipe. I don't think this likely to be necessary in most situations.
We have another customer brewing with a direct fire system and whole hops, and they put a false bottom in the brew kettle to keep them out of the wort chiller. They have reported good results - they did not want to use hop bags any more.
Cheers,
John/Stout Tanks and Kettles
There are two things to do to avoid scorching wort on a direct fire brew kettle with a center clean out pipe. The first is to be sure your burners are not putting heat directly onto that center pipe (or are not too close to it). The other thing you might consider is wrapping that pipe with insulation (e.g., rock wool insulation or similar) if you are still seeing issues. Another measure would be to actively recirculate the wort while boiling, using the tangential inlet and the center cleanout pipe. I don't think this likely to be necessary in most situations.
We have another customer brewing with a direct fire system and whole hops, and they put a false bottom in the brew kettle to keep them out of the wort chiller. They have reported good results - they did not want to use hop bags any more.
Cheers,
John/Stout Tanks and Kettles
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