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Here

I've seen people use pumps to move water from a mash tun to a boiler etc but never constantly to control mash temps.

Anyone else have a setup like this?
 

kungy

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A RIMS or HERMS setup is pretty common, which in layman terms is a system that enables increased ability to contol mash temp. Such systems are perhaps more common in America where they have the resources etc. I would guarantee that some of the guys on the forum have a setup like this, but i'm reckon most guys here are with the KISS principle where they use a esky instead of such a system, check out the gallery to look at other peoples systems.

The things that intriguing on this site, is that the kettle is a steam jacketed kettle. Whilst this is common in commercial breweries i have never seen a person use a steam jacketed kettle on such a small scale setup, especially one that was home made (sounds scary)

Cheers

Will
 

ausdb

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Have a look at this page on using steam to control mash temps
http://www.brewingtechniques.com/library/b...e2.4/jones.html
Much safer and easier to do, if you leave the weight thing/pressure relief valve in place on you pressure cooker then its also as safe as using a pressure cooker normally.

I picked up a 5ltr pressure cooker the other week I am going to try it with, it should be the ducks nuts for step mashes in an esky!!

Ausdb
 

kungy

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Using steam to step mash etc seems to raise its head fairly often on American Forums, there seems to be mixed views of it. The normal view is that they have seemed to have figured out that the system is limited to 23-35 litre batches, any more and that when the system starts to be less effective.

I've seen a US site where the steam outlets are doubled with a stirrer, so that two birds are killed with one stone.

Cheers

Will
 

ausdb

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kungy1 said:
the system is limited to 23-35 litre batches, any more and that when the system starts to be less effective.

I've seen a US site
25-35 ltrs sounds good to me

R U able to post the link to that site??

Cheers

Ausdb
 

kungy

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The steam setup on http://www.brewingtechniques.com/library/b...e2.4/jones.html seems to be a the norm for 23-25 L batches, as US forums on this topic seem to link it back to that site.

I also found the steam stirrer, which the guy calls a SIMM (Steam Injected Mash Mixer) @ http://www.gjwspykman.com/simm/simm.html seems pretty complicated and in my view overkill.

Be prepared for fair whack of photos


Another thing you may consider, is instead of using a pressure cooker you could use a wallpaper steamer, which the SIMM guy uses

""A fully enclosed system using pressurized steam", that was exactly
what I wanted. And I knew where to get one. Lucky for me a local tool
rental company was going out of business and I was able to get a
great deal on a...have you figured it out yet? A wallpaper steamer!
It's perfect, I just fill it with water, plug it in, wait about half
an hour, and I have steam delivered safely at 12 psi. via a rubber
hose with standard air hose quick connect fittings." (http://hbd.org/hbd/archive/4586.html#4586-4)

Cheers

Will
 

ausdb

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Don't need to $20 for a usable pressure cooker from the pressure cooker shop here in Perth. Most of the ones in the secondhand stores here were either missing the wieights or had knackered seals.

An extra hole drilled through the top and a home made bulkhead fitting hey presto!

Plus I have a pressure cooker if I need to autoclave anything if I get into yeast culturing

Ausdb
 

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