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OfflineStatFanley
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Registered: 07/16/22
Posts: 4
Last seen: 1 year, 3 months
Pressure Barrel
    #27927928 - 08/31/22 05:46 PM (1 year, 4 months ago)

Long time lurker first time poster. Right now I have my set up almost totally complete. The last remaining piece I have is my pressure barrel for sterilization.

I have a regular 55-gallon steel drum with a lid. The lid is where all the action happens. I have two holes drilled. One is for a 5-psi pressure relief valve. The other is for a pressure garage.

Last night I was testing to see if it would hold pressure for the first time and it seems like it does. The lid was starting to bend outward without any steam coming out. Unfortunately, however, my pressure gauge did not start to read nor was there steam releasing from the relief valve. This caused me to worry that nothing was working and a disaster was coming. I had this on the burner for about 50 minutes (without an insulation). When I manually released the pressure relief it seemed there was very little pressure, if any, considering the small amount of steam released.

Now to my questions:
How long will it take to fill a barrel burning on a large turkey burner to build pressure? Note I have 10 gallons of water.
What will be the approximate rate that the water will dissipate? Right now I don’t have a refill port/valve and wondering if 10-15 gallons will be enough water for an 8-10 hour cook at ~2 PSI



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Invisiblesandman420
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Registered: 06/17/04
Posts: 5,384
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Re: Pressure Barrel [Re: StatFanley] * 2
    #27928273 - 08/31/22 09:20 PM (1 year, 4 months ago)

ho-lee-fuck please cease and desist from this

You have no idea what you are doing. 55 gallons of pressurized steam can kill you and others.

As you can see the barrel is not designed for pressure at all.

Even 5 psi is too much. 2260 lbs of force aprox in a 24" diameter lid at 5 psi...


--------------------
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Marijuanaut escapes earth to cultivate - Grow-room is church temple of the new stoner breed


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Offlinerumfor69
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Registered: 08/05/11
Posts: 6,767
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Re: Pressure Barrel [Re: sandman420]
    #27928300 - 08/31/22 09:35 PM (1 year, 4 months ago)

:whathesaid:

This is how you get yourself killed. I can answer your question why it's acting that way but you shouldn't do this.

You can't sterilize grain worth a shit at that psi anyhow. Lots of farmers wish they could but it's a philosopher stone at this point.

That being said you can use this barrel to do atmospheric sterilization of master mix blocks but you only need boiling temps for like 8hrs to do that. MAYBE 1-2psi to be cocky depending on your elevation also.


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InvisibleAshtray161
SettledNomad
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Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: Pressure Barrel [Re: sandman420]
    #27928498 - 09/01/22 03:35 AM (1 year, 4 months ago)

Quote:

sandman420 said:
ho-lee-fuck please cease and desist from this

You have no idea what you are doing. 55 gallons of pressurized steam can kill you and others.

As you can see the barrel is not designed for pressure at all.

Even 5 psi is too much. 2260 lbs of force aprox in a 24" diameter lid at 5 psi...



:whathesaid::lolwut::tripnoob:

What the fuck r u doing dude? Why? This is beyond not ok, this is dangerous and irresponsible and illogical. What were u thinking?

Like.. just use a PC. What is the point of this bomb?


--------------------
(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312


Edited by Ashtray161 (09/01/22 03:37 AM)


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OfflineDERRAYLD
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Registered: 05/13/02
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Loc: South Africa
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Re: Pressure Barrel [Re: Ashtray161] * 1
    #27928500 - 09/01/22 03:44 AM (1 year, 4 months ago)

It's all good, it's only the lid that bent.
:thumbsup:

Disclaimer in case anyone even remotely thinks that wasn't sarcasm.... it was.


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InvisibleAshtray161
SettledNomad
Other


Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: Pressure Barrel [Re: DERRAYLD]
    #27928505 - 09/01/22 03:50 AM (1 year, 4 months ago)

Quote:

DERRAYLD said:
It's all good, it's only the lid that bent.
:thumbsup:

Disclaimer in case anyone even remotely thinks that wasn't sarcasm.... it was.



:batlol:
Derrayld coming in w the gold as usual


--------------------
(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312


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OfflineScrewup
Googles your dumb questions
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Registered: 01/27/22
Posts: 6,296
Last seen: 56 minutes, 17 seconds
Re: Pressure Barrel [Re: Ashtray161]
    #27928510 - 09/01/22 04:05 AM (1 year, 4 months ago)

Ya know I was gonna comment that this is obviously fucking dangerous but I was like well what if I’m wrong and others have done this before? So I didn’t say anything. Glad I’m only kinda stupid. Also the location of this kinda looks…iffy lmao.


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Invisiblebakedbeings
orbiter of truth
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Registered: 09/01/20
Posts: 4,218
Re: Pressure Barrel [Re: Screwup]
    #27928653 - 09/01/22 08:02 AM (1 year, 4 months ago)

OP can u tell us if ur alive


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OfflineDERRAYLD
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Registered: 05/13/02
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Loc: South Africa
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Re: Pressure Barrel [Re: bakedbeings]
    #27928660 - 09/01/22 08:06 AM (1 year, 4 months ago)

Last seen 54 minutes ago


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OfflineRogerRabbitM
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Registered: 03/26/03
Posts: 42,214
Loc: Seattle
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OG Cultivator
Re: Pressure Barrel [Re: Screwup] * 3
    #27928665 - 09/01/22 08:09 AM (1 year, 4 months ago)

It's best to always test a new drum sterilizer with an air compressor before using steam.

It's also best to never exceed 1 to at most 2 psi.  As said above, you've created a bomb by having a sealed drum.  Remember, when water turns to steam, it expands by a factor of at least 1600 at atmospheric pressure.  Add some pressure and it's even greater if a rip occurs in the drum.

I'd open up that relief valve so it's always open during use. This will allow steam to constantly escape.  Adjust the burner so only a small amount escapes after the first hour or so.
RR


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semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison


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Invisiblesandman420
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Registered: 06/17/04
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Re: Pressure Barrel [Re: RogerRabbit] * 2
    #27928686 - 09/01/22 08:23 AM (1 year, 4 months ago)

Hate to disagree with you RR but it's best to test something like this 100% full of water or other fluid and then pressurize the fluid.

Then if it fails there is no explosion at all. This is called "hydrotesting" and is (one of) the pro way to test a vessel.

Air pressure is still dangerous.


--------------------
- Sandbag Tek - How To Sterilize Spawn Bags - All About Static Pressure / Pressure Drop for DIY Flow Hoods - Sandman's LC Tek-

Marijuanaut escapes earth to cultivate - Grow-room is church temple of the new stoner breed


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OfflineRogerRabbitM
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Registered: 03/26/03
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Re: Pressure Barrel [Re: sandman420] * 3
    #27928698 - 09/01/22 08:31 AM (1 year, 4 months ago)

That would indeed be safer because water doesn't compress.  The important thing is to keep the valve open so steam can constantly escape during use.

This is also important in the cool down stage.  If the drum is sealed, it will implode on itself as if a giant hand had crushed a beer can.
RR


--------------------
Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison


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Offlinerumfor69
Bodhicitta Cultivator
Male


Registered: 08/05/11
Posts: 6,767
Loc: In the Gills
Last seen: 34 minutes, 55 seconds
Re: Pressure Barrel [Re: RogerRabbit] * 1
    #27928721 - 09/01/22 09:06 AM (1 year, 4 months ago)

RR!!!!! OMG I haven't seen you in forever I've missed you man. I emailed you last year haven't heard from you I was worried.


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OfflineSirPsycho
Purple Belt in Google-Fu
I'm a teapot User Gallery


Registered: 01/01/20
Posts: 6,901
Loc: Rent free in your head
Last seen: 5 hours, 58 minutes
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Re: Pressure Barrel [Re: rumfor69] * 2
    #27928727 - 09/01/22 09:12 AM (1 year, 4 months ago)

Wtf is going on? We're making bombs... RR is here...


--------------------
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Balance in life is like running on ice.

  🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖

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OfflineStromriderM
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Registered: 06/02/13
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Re: Pressure Barrel [Re: SirPsycho] * 7
    #27928841 - 09/01/22 10:45 AM (1 year, 4 months ago)

RR only shows up when he senses someone is in danger from making a pc out of a barrel. It's like a sixth sense. Happens about once a year


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Offlineicpurple
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Registered: 01/14/21
Posts: 112
Last seen: 10 months, 8 hours
Re: Pressure Barrel [Re: DERRAYLD]
    #27928892 - 09/01/22 11:31 AM (1 year, 4 months ago)

Quote:

DERRAYLD said:
It's all good, it's only the lid that bent.
:thumbsup:

Disclaimer in case anyone even remotely thinks that wasn't sarcasm.... it was.




The rounded surfaces hold pressure better, you're all set now.


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InvisibleAshtray161
SettledNomad
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Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: Pressure Barrel [Re: SirPsycho]
    #27929030 - 09/01/22 01:31 PM (1 year, 4 months ago)

Quote:

SirPsycho said:
Wtf is going on? We're making bombs... RR is here...



:whathesaid:

Hows it goin RR? The man, the legend. Hope you're well


--------------------
(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312


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InvisibleAshtray161
SettledNomad
Other


Registered: 03/21/21
Posts: 4,503
Loc: Rugby, England
Re: Pressure Barrel [Re: Ashtray161]
    #27929064 - 09/01/22 01:54 PM (1 year, 4 months ago)

Im sorry for being so harsh OP and I hope we didnt scare you away from shroomery but its all out of genuine concern for your safety and the safety of anyone who might be around ya when that thing went off. We really just dont want you to get hurt or killed and need you to understand were not just overreacting, that is a legitimate potential bomb.


--------------------
(You Know What Time It Is)
Major Issues in the Psychedelic Movement: https://www.shroomery.org/forums/showflat.php/Number/27677086:elmo:
"You never have to prove the fool a fool, just let them speak."
Please, be an adult. Get vaccinated. Dont use psychedelics as an excuse. Dont come at me with some hippy dippy nonsense, GO GET VACCINATED.
Be Gay, Do Crime 161 1312


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OfflineSirPsycho
Purple Belt in Google-Fu
I'm a teapot User Gallery


Registered: 01/01/20
Posts: 6,901
Loc: Rent free in your head
Last seen: 5 hours, 58 minutes
Trusted Cultivator
Re: Pressure Barrel [Re: Stromrider] * 1
    #27929105 - 09/01/22 02:26 PM (1 year, 4 months ago)

Quote:

Stromrider said:
RR only shows up when he senses someone is in danger from making a pc out of a barrel. It's like a sixth sense. Happens about once a year



Look!!! Up in the sky!!! It's the Myco signal


--------------------
:pm:Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints:pm:
Balance in life is like running on ice.

  🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖

"Mist your balls and fan your asshole" - Pandaskis, 2023


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Offlineicpurple
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Registered: 01/14/21
Posts: 112
Last seen: 10 months, 8 hours
Re: Pressure Barrel [Re: SirPsycho]
    #27929153 - 09/01/22 03:04 PM (1 year, 4 months ago)

I seriously thought this thread was a joke at first...

For a safety blowout pressure release, weld weld a very flat hunk of metal somewhere on the lid and find a very weak 1" diameter  by 1/16" thick neodymium magnet. Drill at least a 1/2" hole in the hunk of metal then drop the magnet over to cover it.  If you think the magnet is too strong either drill a bigger hole or put a layer or two of something like old jean material between it and the surface.


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