From the HBD Archive
From: Chris Shenton <>
Subject: Wort chiller for hot days and finite water supply
Date: 1990-01-08 16:12:33 GMT

This is a follow-up on my previous posting. It attempts to remedy the
situation where the water from the tap is not cold enough to chill wort
efficiently, or where you don't want to dump mass quantities of perfectly
good water down your drain.

Martin A. Lodahl <pbmoss!mal@hplabs.HP.COM> suggested:

... an icewater bath, recirculated through the chiller.

Martin thought finding a pump might be expensive, but pump attachments for
electric drills are readily available and relatively cheap.

Norm Hardy <polstra!norm@hplabs.HP.COM> suggested:

Construct 2 immersion chillers with copper tubing. Have the water flow
through the first as it sits in a water bath filled with ice water. Then
the water moves on to your wort where the second chiller sits. Keep an eye
on the ice water and add more ice as needed to keep it very cold.

Hey, it's extra expense to have two chillers, but it will work for you, and
if you do it yourself you'll save bucks over buying a counterflow chiller.

Norm's idea pre-chills tap water by running it first through a heat
exchanger, but that doubles the expense of the system (copper), and wastes
lots of tap water (Martin's main problem).

The cheesy diagram below illustrates one idea. It's pretty much a closed
system, uses only one coil, and depends only on the availability of ice
which can be made ahead of time for summer chilling. Sorry about the
PC-style graphics... Any comments?

<-- return
|| _____ ||
|| supply / \ ||
|| //==============| O |=====================\\ ||
|| || --> \_____/ --> || ||
|| || | | | || ||
| || || | | | | | || || |
|------||--| |___| |-||--||---|
| || | | ||====== |
| || | Electric Drill | ||====== |
| || | with | \\====== |
|__________| Pump Attachment |__________|

Ice Water Immersion Chiller
in Wort

Internet: ( NASA/GSFC: Code 735
UUCP: ...!uunet!!chris Greenbelt, MD 20771
SPAN: PITCH::CHRIS 301-286-6093

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