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Increase the pace of the stripping run
My current boiler is 50l with a 2” tri clamp opening if I were to get an adapter to go to a 2” to 3” or 4”. Would it speed up my stripping runs even if the top is only 2”.
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13 Replies
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The only thing that will speed up stripping runs, providing your condenser can handle it, is adding power. Increasing the diameter only really increases speed on reflux runs, again, providing you have the power and condenser to handle it. I dont see hobby scale stripping to exceed the capacity of the 2′ outlet.
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SW_Shiner is right, just increase power input to the boiler. Your limit will be what your product condenser can handle. How do you heat this boiler? Is it electric? If so, what are you using exactly? If it’s a relatively small element, you could perhaps replace it with a larger element (assuming your electric is set up for it). Some add an additional element which usually requires an additional circuit for that element with its own breaker. Lots to consider, but FIRST we need to know exactly what you’re working with otherwise we’re just speculating.4″ VM Build
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I have a Brewzilla with two 1500w elements and a regular 50L keg that I use with gas both with a 2” opening. The condenser is 18” 2” shotgun.
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I don’t really know anything about the Brewilla boilers. I assume they have their own internal elements. If so, I don’t know if there’s any way to increase power with that boiler.If you want to upgrade to 240V, I’d probably focus on the 15.5 gal keg boiler. With one 240V circuit, you can use as large as one 5500W element. My notes say stripping at 5500W I get 11 LPH take-off rate. Twice that rate with two 5500W elements, but you have to have a product condenser that can handle it.4″ VM Build
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Agree with all said . Your limitation is due to your 3kw .I’ve used gas with a high pressure regulator for a decade under my 50 and 80l kegs with a 2” out . I comfortably strip around 12l/h . Thats with the flames roaring but mostly under the keg . I have for shits and giggles cranked the gas to ridiculously high where flames have been leaping halfway up the sides of the keg while poo was filling my pants . I had over 25 l/hour coming out my 6’ long 1”over 3/4” liebig for several minutes before I changed my undies . Point is , 2” outlet is not a limiting factor . I have now switches to electric and using a 6kw element , I’m getting a little over 12 l/h .That is inline with what SMF was saying with his 5.5kw pushing 11l/h .I was also never sure how many effective watts my old gas setup was doing but it would seem that if the flames are just starting to come out the bottom , it’s around 5-6kwMy recommended goto .wiki/index.ph … ion_Theory
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That’s what I think also. If you can’t increase power adding insulation would help some.
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Yep, insulation does help. Probably not as much as you want though – but it’s real, for sure. I use my insulation as a kinda power controller – whipping it off for the spirit run gets my take off right where I like it.I can’t sing, but I sing.
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Stripping speed is all about power.I have a 100,000 btu/hr (29kw) propane burner. I can’t even come close with electric to the same speed. In my location propane is 1/3 the price per unit of energy than electric. I can push this power through a 3/4 inch line between my boiler and thumper and see less than 1/2 psi boiler pressure. Up sizing your line sizes will not make a difference in your speed.
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Here’s what I’m drunkenly thinking. It’s all about physics, X amount of heat = X amount of vapor.Having a big riser isn’t going to make more vapor.Just the opposite, the larger surface area is going to radiate and lose heat.Not much, but it’s working against what’s needed.Long story short, it’s like trying to get better gas milage by driving with your foot lightly on the brake.There is an advantage to a bigger riser, but it’s due to puke control. Sometimes, the step up in size and taller height can let you drive the boiler harder before puke gets out the product condenser.
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Your question is about a stripping run, which is singular. Multiple stripping runs are the norm.Doing multiple stripping runs enables you to preheat the next strips using the waste heat from the previous strips, saving time and energy costs for each subsequent strip.Google keywords like Charentaise preheater.
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Re: Speed up stripping runThe answer is more power until a limit is reached.Such as, the wash begins to foam up and wanta puke.Or the knockdown ability of the product condenser.
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My speed limiter has always been been puke speed.
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I just done a strip of 23ltr on my 2.1kw 240v T500 boiler ran it for the first time at full on the max output is 60 to 70 ml per min all limited by 2.1kw.
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