bbq chimney starter alcohol fueled

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bbq chimney starter alcohol fueled

Postby warramungas » Sat Jul 27, 2019 11:16 pm

Hi guys.
So started cooking with a weber style charcoal bbq but Ive struggled to get my heat beads going in the bbq chimney. Its more for smoking and char grilling and so far, though Im a noob, Im impressed.
Anyway, I built one of those soda can burners that burns alcohol and put that underneath the chimney. Works like an absolute charm.
Highly recommend it and its a good use of waste spirit.
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Re: bbq chimney starter alcohol fueled

Postby db1979 » Sun Jul 28, 2019 7:49 am

Fantastic :handgestures-thumbupleft:
Now go mow your lawn :laughing-rolling:
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Re: bbq chimney starter alcohol fueled

Postby the Doctor » Sun Jul 28, 2019 9:51 am

We use cotton wool balls soaked in ethanol as firelighters...we have used them for years and have found them great fire starters.
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Re: bbq chimney starter alcohol fueled

Postby warramungas » Sun Jul 28, 2019 1:03 pm

the Doctor wrote:We use cotton wool balls soaked in ethanol as firelighters...we have used them for years and have found them great fire starters.
Doc


Spent my formative years lighting the fire in the potbelly at home. Fire startings easy compared to getting these charcoal briquette thingies started. :handgestures-thumbdown:
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equipment: 180 litre fermenter x 2
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110 liter boiler with 25 liter (max) inline thumper
4" x 4 plate bubble cap still

Re: bbq chimney starter alcohol fueled

Postby bluc » Sun Jul 28, 2019 3:23 pm

Burner looks interesting have bookmarked this as I am just starting on my low and slow adventure :handgestures-thumbupleft: i see a cheapo kettle bbq in my immediate future..
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Re: bbq chimney starter alcohol fueled

Postby Arismac » Sun Jul 28, 2019 3:40 pm

Now that really is what this forum is about ... I love it. Very well done. Gunna make my self one this week. :handgestures-thumbupleft: :handgestures-thumbupleft:
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Re: bbq chimney starter alcohol fueled

Postby bluc » Sun Jul 28, 2019 4:16 pm

What do they mix with ethanol to give the flame colour rather than it being clear? Is it readily available..
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Re: bbq chimney starter alcohol fueled

Postby Arismac » Sun Jul 28, 2019 6:22 pm

You can play lots of, quite safe games with the flames. As an example a little copper sulphate should provide a blue/green flame. All minerals "burn" at a slightly different colour. This is basically how we find the composition of stars and meteorites by analysing the light emitted when the minerals turn from a solid to a gas when heated.

The good news is that any minerals that you use to colour flame will not explode at the burning temperature of ethanol.

This is of course the basis of how pyrotechnics (fireworks) are made.
Last edited by Arismac on Sun Jul 28, 2019 6:31 pm, edited 2 times in total.
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Re: bbq chimney starter alcohol fueled

Postby bluc » Sun Jul 28, 2019 6:33 pm

Could i soak some copper in vinegar till blue then add that to fores/heads, or does it need to be ethanol hearts?? Guess I need to try it myself love the idea just dont want invisible flame :handgestures-thumbupleft:
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Re: bbq chimney starter alcohol fueled

Postby Arismac » Sun Jul 28, 2019 6:41 pm

Just add a little copper trace elements from Bunnings to the ethanol (heads) from your next still run.
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Re: bbq chimney starter alcohol fueled

Postby bluc » Sun Jul 28, 2019 7:00 pm

:handgestures-thumbupleft:
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Re: bbq chimney starter alcohol fueled

Postby ant b » Sun Jul 28, 2019 7:28 pm

you can also add some salt, rock salt works best. Just put some in the bottom of the burner to give a yellowish flame
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Re: bbq chimney starter alcohol fueled

Postby bluc » Sun Jul 28, 2019 7:45 pm

Ahh that might be easier. :handgestures-thumbupleft:
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Re: bbq chimney starter alcohol fueled

Postby warramungas » Sun Jul 28, 2019 10:30 pm

I used cleaning alcohol, heads, and i think its got enough impurities to burn some sort of colour. Yellow in this case.
Wouldnt dream of burning hearts. Would the salts (copper etc) vaporise and burn or just get left behind when the alcohol is eventually exhausted? And if it does burn woild you want it under coals youre using to cook food?
I'll note that ive been putting a 5 cent piece on the center hole before lighting the puddle of etho in the middle but once its hot it doesnt matter. A small one full burns for 10-15 mminutes.
Warra
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110 liter boiler with 25 liter (max) inline thumper
4" x 4 plate bubble cap still

Re: bbq chimney starter alcohol fueled

Postby the Doctor » Sun Jul 28, 2019 10:48 pm

we have 4 ethanol fires...1 in our Speakeasy and 3 heating our house... we measure and ensure sufficient air exchange in every room and have monoxide & gas alarms... in short we are very careful....We live in a bloody freezing spot in the highlands.... As much as we love our ethanol fireplaces, I am loathed to ever recommend them to others for the simple reason that they burn clear for the first minute and sometimes for up to 7 minutes as they slowly expire... I have thought about this and watched the fires as I light them The reason I have deduced is that the flame has to reach a certain heat output to suck in enough air to supply the oxygen which i believe to be what makes a flame burn orange.....Once the fire is hot enough the thermal flow of air is guaranteed...but the opposite happens as the fire runs out of fuel, as the volume of thermal airflow decreases the flame again becomes clear...This where the danger comes with these fires..... All our staff are trained to never re fill a fire if they cannot put their hand into the burner... if it is lit they feel the heat in time to stop and remove the hand... if they were to not do this test they could be lighting a molotov cocktail as the try to re fuel.
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Re: bbq chimney starter alcohol fueled

Postby warramungas » Sun Jul 28, 2019 11:49 pm

the Doctor wrote:we have 4 ethanol fires...1 in our Speakeasy and 3 heating our house... we measure and ensure sufficient air exchange in every room and have monoxide & gas alarms... in short we are very careful....We live in a bloody freezing spot in the highlands.... As much as we love our ethanol fireplaces, I am loathed to ever recommend them to others for the simple reason that they burn clear for the first minute and sometimes for up to 7 minutes as they slowly expire... I have thought about this and watched the fires as I light them The reason I have deduced is that the flame has to reach a certain heat output to suck in enough air to supply the oxygen which i believe to be what makes a flame burn orange.....Once the fire is hot enough the thermal flow of air is guaranteed...but the opposite happens as the fire runs out of fuel, as the volume of thermal airflow decreases the flame again becomes clear...This where the danger comes with these fires..... All our staff are trained to never re fill a fire if they cannot put their hand into the burner... if it is lit they feel the heat in time to stop and remove the hand... if they were to not do this test they could be lighting a molotov cocktail as the try to re fuel.
Doc

Hmmmm. Molotov cocktail.
Be a great name for a drink doc! :))
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Joined: Sun Oct 18, 2015 9:38 pm
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equipment: 180 litre fermenter x 2
30 liter boiler
PDA-1
2" four plate modular bubbler
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110 liter boiler with 25 liter (max) inline thumper
4" x 4 plate bubble cap still

Re: bbq chimney starter alcohol fueled

Postby db1979 » Mon Jul 29, 2019 6:29 am

Short chain alcohols like methanol and ethanol burn colourless because they need less oxygen from the air around them, this is because there is an oxygen atom in every molecule already. When the flames are smaller they will be the most colourless because the flame is less hot. As the flame gets larger and hotter, there are reaction intermediates (no longer ethanol but also not carbon dioxide or water either) that glow when hot. This glowing is the colour you see. Due to the ready supply of oxygen in alcohols the intermediates burn much faster compared with other fuels, not allowing them to glow as much as in other fuels. Also, as the flame gets bigger, the oxygen from the surrounding air doesn't make it into the middle part of the flame and the intermediates only burn completely as they rise to the top of the flame where they get the oxygen they need.
Last edited by db1979 on Mon Jul 29, 2019 6:34 am, edited 2 times in total.
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Re: bbq chimney starter alcohol fueled

Postby wynnum1 » Mon Jul 29, 2019 10:17 am

the Doctor wrote:we have 4 ethanol fires...1 in our Speakeasy and 3 heating our house... we measure and ensure sufficient air exchange in every room and have monoxide & gas alarms... in short we are very careful....We live in a bloody freezing spot in the highlands.... As much as we love our ethanol fireplaces, I am loathed to ever recommend them to others for the simple reason that they burn clear for the first minute and sometimes for up to 7 minutes as they slowly expire... I have thought about this and watched the fires as I light them The reason I have deduced is that the flame has to reach a certain heat output to suck in enough air to supply the oxygen which i believe to be what makes a flame burn orange.....Once the fire is hot enough the thermal flow of air is guaranteed...but the opposite happens as the fire runs out of fuel, as the volume of thermal airflow decreases the flame again becomes clear...This where the danger comes with these fires..... All our staff are trained to never re fill a fire if they cannot put their hand into the burner... if it is lit they feel the heat in time to stop and remove the hand... if they were to not do this test they could be lighting a molotov cocktail as the try to re fuel.
Doc

Where would you buy the ethanol and what would it cost if did not produce your own.
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Re: bbq chimney starter alcohol fueled

Postby the Doctor » Mon Jul 29, 2019 2:40 pm

you can buy fuel ethanol from Eco-Smart fires in Alexandria Sydney mate. Sorry I have no idea of the cost as I have never had to buy it. We burn over 50% of our spirit, nothing is re processed.

Doc
Last edited by the Doctor on Mon Jul 29, 2019 2:42 pm, edited 1 time in total.
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Re: bbq chimney starter alcohol fueled

Postby wynnum1 » Mon Jul 29, 2019 3:37 pm

the Doctor wrote:you can buy fuel ethanol from Eco-Smart fires in Alexandria Sydney mate. Sorry I have no idea of the cost as I have never had to buy it. We burn over 50% of our spirit, nothing is re processed.

Doc

Did you buy yours new or second hand some of these ethanol fire places are very expensive and when try to buy ethanol they find is not a good heating solution sydney solvents sell but have none of the 200 l drums and not even cheap if buy big drum.
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