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Invisibleweetsie
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Registered: 05/08/11
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525317 - 08/09/16 04:04 PM (7 years, 7 months ago)

I made a 55 gal drum steriliser last month https://www.shroomery.org/forums/showflat.php/Number/23399229

It's very basic but it works, check out gr0wers drum sterilizer videos too.


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23525509 - 08/09/16 05:34 PM (7 years, 7 months ago)

I use a drum for my sawdust blocks, but i dont know why i hadn't thought of it for my jars, all my jars....at once....just thinking about what the necessary time in would be for the grain jars to sterilize.


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Invisibleweetsie
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525530 - 08/09/16 05:46 PM (7 years, 7 months ago)

For grain jars that are going to be inoculated with a wedge and take a week or two to colonize I imagine you're gonna need 12-24 hours. I did 6 hours for my grain bags but they were G2G and only took 3 days for full colonization.


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23525539 - 08/09/16 05:51 PM (7 years, 7 months ago)

whoa, 12 to 24! i do my sawdust bags in three now? i use a propane burner with a  tight fitting lid on a 55 gallon drum. i just tighten the lid up all the way and steam will find its way out like a kettle or pc. lost three bags for 125 so far. does this all depend on the amount of pressure building in my barrel?? you have me worried now weetsie!


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Invisibleweetsie
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525591 - 08/09/16 06:14 PM (7 years, 7 months ago)

Yeah grain is going to need a lot longer than sawdust.

I'm trying grain jars in my drum very soon, going to start with at least 12 hours.


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23525711 - 08/09/16 06:48 PM (7 years, 7 months ago)

cool, let us know how it goes weetsie. i'm not sure what i'll do yet, dont want to do 200 jars and loose all of them! but 12 hours of burning propane just aint an option for me.

thanks for sharing!


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Invisibleweetsie
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525846 - 08/09/16 07:39 PM (7 years, 7 months ago)

Yeah, thing with propane is, a decent burner kicks out maybe 10-20x the energy of a little 2kW~ element which must surely get the substrate up to temperature faster, given you have a much higher volume of steam rushing past it, there has to be more transfer of heat.

Once you're substrate is at temperature though, I can't imagine you gain anything, the substrate just needs to sit there for long enough to sterilize, any more energy than that needed to hold your 2 psi or whatever is wasted.

Can the burner not be turned down to a really small flame where the consumption is more economical? Insulation is probably key here too.


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23525855 - 08/09/16 07:43 PM (7 years, 7 months ago)

weetsie you've questioned me out of trying this. i can turn my burner down, but 12 hours, still...so long, that would be a 20lb tank per batch of grain, worth it economically? maybe...buuutt adding insulation to my optimally low tek production now, nnaahh. 90 minutes for 10 quarts will have to do for now! thanks for your the discussion man.


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Invisibleweetsie
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525876 - 08/09/16 07:48 PM (7 years, 7 months ago)

The only other thing I would say then is get a cheap element off ebay, they are like $10 shipped and have a tank connector built into them so you're good to go.

You definitely don't wanna be using a 20lb tank per run!


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23525877 - 08/09/16 07:49 PM (7 years, 7 months ago)

any particular name for the proper element?


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OfflineGr0wer
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525928 - 08/09/16 08:10 PM (7 years, 7 months ago)

I'm going to try a 24 hour steam on some spawn bags next week i think. A lot of people are asking. I'll sneak a few in on a batch of sawdust bags, put them at the bottom so they get a longer steam.

1500w 120v screw in hot water heater element
https://www.amazon.com/Camco-02143-Screw--Heater-Element/dp/B0006IX89Q/ref=sr_1_1?ie=UTF8&qid=1470794950&sr=8-1&keywords=1500w+element

nut to hold the element in place from the inside if your using a drum.
https://www.amazon.com/Stainless-Fitting-Locknut-SP-114-Female/dp/B00K0DBFYW/ref=sr_1_fkmr2_1?ie=UTF8&qid=1470794979&sr=8-1-fkmr2&keywords=1%22+SS+NPT+locknut

Edited by Gr0wer (08/09/16 08:10 PM)

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Invisibleweetsie
unlicensed tub surgeon
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Re: Sterilizing grain in a 55 gal. drum [Re: anthiawe]
    #23525969 - 08/09/16 08:24 PM (7 years, 7 months ago)

I have one of these http://www.ebay.co.uk/itm/34-5cm-Electrical-Element-Heating-Tube-For-Water-Heater-220V-3KW-/361353538611?hash=item5422596c33:g:oukAAOSwaB5XkvZ1

I'd go for a 3kW if you're on 240v, you can always turn it down with dimmer.


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Offlinetump
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Registered: 03/17/16
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Re: Sterilizing grain in a 55 gal. drum [Re: weetsie]
    #23526765 - 08/10/16 12:59 AM (7 years, 7 months ago)

I know this is another off topic for this thread . But if someone was to bluid these stream sterilizer barrels and sell them they would make a killing. Wink wink.

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OfflineGr0wer
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Re: Sterilizing grain in a 55 gal. drum [Re: tump]
    #23527496 - 08/10/16 08:12 AM (7 years, 7 months ago)

Shipping would be a killer. And if i was to make these and sell i would do stainless drums so they would cost around $800, then shipping would be freight and probably like $100+. One advantage of going SS is you could pressurize it with a pressure cooker rocker, like 5-10 lbs.

Edited by Gr0wer (08/10/16 08:19 AM)

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Offlinetump
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Re: Sterilizing grain in a 55 gal. drum [Re: Gr0wer]
    #23527564 - 08/10/16 08:34 AM (7 years, 7 months ago)

Why not bluid them with normal steal drums and sell for 500 plus shipping

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OfflineGr0wer
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Re: Sterilizing grain in a 55 gal. drum [Re: tump]
    #23527636 - 08/10/16 08:59 AM (7 years, 7 months ago)

Not a big fan of rust.

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Offlinetump
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Re: Sterilizing grain in a 55 gal. drum [Re: tump]
    #23527641 - 08/10/16 09:01 AM (7 years, 7 months ago)

I would pay the shipping this machine will save the lives of my family. Please think about it. I tried bluiding one and it broke so bad. Dont you use plastic barrel?

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InvisibleMarty Mycfly
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Re: Sterilizing grain in a 55 gal. drum [Re: tump]
    #23528328 - 08/10/16 02:03 PM (7 years, 7 months ago)

Hey tump, there is a primitive way of putting together a steamer if your having problems building one. Just a steel drum with a some sort of heat underneath, fire or propane, and enough water. Not as energy efficient and bad ass, but it would get the job done especially if it saves the lives of your family:wink:


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Offlineanthiawe
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Re: Sterilizing grain in a 55 gal. drum [Re: Marty Mycfly]
    #23528339 - 08/10/16 02:08 PM (7 years, 7 months ago)

primitive tek! :jimmies:


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Offlinedrake89
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Re: Sterilizing grain in a 55 gal. drum [Re: tump]
    #23528565 - 08/10/16 03:34 PM (7 years, 7 months ago)

Quote:

tump said:
I would pay the shipping this machine will save the lives of my family. Please think about it. I tried bluiding one and it broke so bad. Dont you use plastic barrel?



Bubbasbarrels.Com

"Save the lives of my family" LOL wut?


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