Oil burning heaters

Far Right

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Hey guys, I’m over here in the hot part of the world and have no idea what I’m talking about or looking for in the way of a heater,
I make beef jerky for a living and it currently uses 9kw of bar heaters to get its heat. Very expensive on electricity, I’m trying to learn about these oil furnaces (if that’s what there called) that you heat your homes with. I only need to heat like 3cubic meters of space too 55-65 degrees c, I was thinking one of these running on my wmo would work our very cheap,
What are these things actually called for me too google. And what success do they have on wmo
 

Mt_Man

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I would worry about the exhaust getting into the meats. 65c isn't to hot. Ideas I thought of was diesel genie running on wmo. With that kind of constant load it would nice and clean burning if it was a 10-15kw size and a 9kw load. Then you still have maintenance costs. Another idea would be an outdoor wmo boiler that is non pressurized. That could be up to 100c. Thermostat and mixing valves to control temps in the jerky drier. Probably the easier maintenance wise. You could also use it for other heating, pool/hot tub/sauna?
What ideas do you have?
 

Far Right

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Wood is too hard work to keep temps regulated, and my man I was actually going to do the gent idea but too expensive if it can’t run straight wmo, I was actually thinking that the oil burner was well outside the meat locker n just circulating heated water through a radiator, fans blow through radiator rather than electric heater elements, bloke here in aust wants 15k for the set up, this country is full of thieves they can choke on a covid needle I’m sure this can be done on the cheap just need sort out a thermostat eco trolled burner
 

Mt_Man

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Yah that would work great. Any old cast radiators for a home around you and box fan? They would be great. Or you could use an old heater core or radiator from a car. New wouldn't be bad either, price wise. Gerrysdiy on youtube has a cool little wmo water boiler. Worth a look he has a few videos.
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Easy way to control the heat output is a second radiator outside of the drier and on a fan with thermostat. Car radiator would have that built in and fan. 12volt is easy. Battery and a trickle charger. Also get it with an overflow reservoir and pressure relief cap. This way it would keep from boiling all the water off. Until you get the the system up to temp and stable enough to turn the flame down to cruise mode. The radiator in the drier could be 220v and "snap disk" switch to turn on an off for temp control. They make them adjustable. Used a lot in furnaces and pellet stoves over here. Outdoor wood boiler systems are what you are essentially copying. Hydronic floor heating will have the pumps and temp control mixing valves for temperature control if you want to do that. Could potentially use natural convection if it's set up right.

You can convert an old home oil furnace burner to burn wmo. It turn in and off all by itself, but would need filtered oil for less maintenance on the nozzle. Check out heaters that would require less processing of wmo will save you a bunch of time and energy. This one https://www.dripfedwasteoilheating.com/
Or smudge pot/agricultural heater over here are simple and effective and be easily made and adapted to heat water.
Dripfedwatesoilheating is down in NZ I believe. He builds little controllers and his heaters have a copper coil for water heating. Neat stuff.

I am going to build a smudge pot with a big heat exchanger for a buddy's shop someday. Been doing some research haha
 

Mt_Man

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Just saw this yesterday kinda interesting. Wondering if this would work with natural draft vs blower.

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They this came up lol. Be nice to generate some electricity while your make heat to dry stuff.
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Mt_Man

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If you can find an old hot water or steam pressure washer that needs repair but has a good coil then that would work great for the heat exchanger
 

Mt_Man

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Another idea is one of those Chinese diesel heaters that are cheap. There a bunch of videos about running a blend of wmo through them
 

Far Right

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Yeah I’m finding more and more of them that can burn wmo. I’m thinking one of those set up into a boiler and a circulation pump pumping it from the boiler too a radiator, that way it keeps any smoke and combustion away from the meat, if I put the thermocouple in the dehydrator itself it should regulate the boiler temp off the air temp of the dryer
 

Kiwif150

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What about running one of those cheaper indian steam power generators .... use wmo instead of wood to fire it up. Failing that grab an older diesel engine like a 4jb1t isuzu which will run wmo just fine and hook it up to a generator.
 

Far Right

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I’m still leaning towards a boiler type set up, I recon be a lot less maintenance, too run this thing off generator I need at least 13-15kva just for it on its own, that’s why I’m looking at ways to replace electric bar heater too radiator type
 

Kiwif150

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I’m still leaning towards a boiler type set up, I recon be a lot less maintenance, too run this thing off generator I need at least 13-15kva just for it on its own, that’s why I’m looking at ways to replace electric bar heater too radiator type
I just re read your original post .... i brought an old coal fired boiler which used to run those big old cast iron radiators that some people had in their homes - we had similar in our old high school. The unit i have ran 10 radiators and i converted it to waste oil by fitting a forced fan dripper into it. I've had it running but haven't got it plumbed into the paint booth yet - the idea was to provide a constant heat without an ignition source to keep the booth warm, I have an old 3 phase glasshouse heater on a longish ducting system currently but you could damn near use the power meter as a fan when you turn the thing on.Given that you only need to get to 50 odd degrees and you want the heat to be dry, something like this would work well i think.I brought the unit off this guy complete but he sells plans as well or you could just rangi one up yourself ..... a decent computer fan and a section of pipe with a right angle bend is all you need - i used a stainless steel cheap bowl with a handfull of old nuts and bolts under the outlet to get it firing nice and hot.

 
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