Ventilation in mines and caves· Page 3

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royfellows
50.2% (Neutral)
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4 years ago

#41

I wish there was someone on here from Royal Forest of Dean. There is a mine there with a chimney built over a shaft where underground fires were used for ventilation.

Only visited the mine once and that was along time ago. There may be pics on here.

The Wrights built a similar arrangement at Clearwell but suspect for warmth for benefit of the underground visitors.

My avatar is a poor likeness.

Down and beyond
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4 years ago

#42

I no the one Roy I’ll find out it’s name for you :thumbsup: have forgotten it

From the land of the pillar and stall

Morlock
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4 years ago

#43

A few FOD ventilation furnaces documented here.

https://www.gsia.org.uk/reprints/1979/gi197916.pdf

royfellows
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4 years ago

#44

Thanks John, I did not have this and have saved it to disk.

I have had to go out and fetch shopping but now back. Findall is alternative name for "Perseverance" which is here on the website good as gold, and here is the link.

https://www.aditnow.co.uk/Mines/Perseverance-Iron-Mine_10884/

And here is the photo

🔗114196[linkphoto]114196[/linkphoto][/link]

My avatar is a poor likeness.

Peter Burgess
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4 years ago

#45

Underground fires were lit at the base of shafts with chimneys at the top to ventilate the old quarries at Godstone adapted as mushroom farms about 1900. The quarrymen never needed the extra ventilation but the mushroom growers did. The technology seems to have been brought to Godstone by mushroom growers in similar locations under Paris. There are extant ash piles at the base of the shafts and also some good photos published of the French examples in newspapers of the time.

pedrgogh
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4 years ago

#46

I have now been retired for over 25 years but from my memory when working for a living.
A chimney will provide a natural draught and could provide the draught needed for a small boiler.
Like wise a deep shaft is nothing more than a chimney in the ground and, depending on its dia and depth, could ventilate a small mine.
The chimney or shaft would work better if the air or gas entering the bottom were heated hence the under ground furnaces.
Any extension above ground I have always assumed was needed to improve the ventilation because the shaft its self was not deep enough.
The shape at the top does not matter its the dia, height and gas/air temp entering the bottom that matters.
I hope this helps.

staffordshirechina
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4 years ago

#47

"pedrgogh" wrote:

Any extension above ground I have always assumed was needed to improve the ventilation because the shaft its self was not deep enough.

Also I suspect to take the fumes away from ground level buildings and turbulence.

Peter Burgess
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4 years ago

#48

My goodness, this takes me back to my uni days learning about the design of flue stacks! It will also help with raising the top of the column of ventilating gas above a potential inversion on cold still days. Not that early engineers would necessarily have know much about inversion layers.

Wormster
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4 years ago

#49

"Lindybeige" wrote:

Possibly the CO2 is dissolved in the water and comes out in the cave.

Either that or its got summat to do with the water percolating down through the limestone (in the case of Mendip) and some sort of chemical reaction. I'm no scientist, perhaps someone more knowlegable than me might have an answer.

Better to regret something you have done - than to regret something you have not done.

Peter Burgess
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4 years ago

#50

While this thread has been developing, I have been doing some research into the Paris mushroom farms and how they operated. I came across a fascinating but rather gruesome tale of a murder which involved the use of a ventilating chimney to dispose of the evidence. Rather than relate it here, if you are interested in the details, see the documents I have put in my personal document area. If you would rather not read the graphic details, don't click the links.

The arrest

https://www.aditnow.co.uk/documents/Personal-Album-1561/The-Morning-Post-1897-12-11.pdf

The trial

https://www.aditnow.co.uk/documents/Personal-Album-1561/The-Morning-Post-1898-05-24.pdf

The execution

https://www.aditnow.co.uk/documents/Personal-Album-1561/lloyds-Weekly-1898-06-26.pdf

Coggy
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4 years ago

#51

The Youtube History guy Lindebiege has not a had a damascene convertion to mining history.

if eight out of ten cats all prefer Whiskas
Do the other two prefer Lesley Judd ?

robnorthwales
50.2% (Neutral)
Newbie

4 years ago

#52

"Coggy" wrote:
The Youtube History guy Lindebiege has not a had a damascene convertion to mining history.

And, even if true (and you've no idea if it is true or not), that allows you to be grossly offensive ?

He's a historian, and probably interested in a wide range of fields. Much like one of us that finds something outside our usual range of knowledge or expertise, if he finds something he doesn't know about then he's going to find out what he can, ask a range of people that might have more knowledge on certain aspects.

Yes, when it comes to EWF or UKAME, who just want the clicks, breach out copyright, etc, I've got no time for them.

But lindy never even mentioned his Youtube channel - some of us did, asking if it was the same person.

If he was approaching it on the basis of monetising a channel, then he was doing it in a bit of a crap way

Madness takes its toll, please carry exact change

sinker
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4 years ago

#53

"robnorthwales" wrote:

If he was approaching it on the basis of monetising a channel, then he was doing it in a bit of a crap way

Even if he came on here and said "I've always wondered how ventilation works in mines ...oh and by the way I have this history channel you might be interested in...." I'd be ok with that.
He tried a caving website they said "You need mining experts" and sent him here. He asked the question, got some answers, what's the problem? :surrender:

Yma O Hyd....

Down and beyond
50.2% (Neutral)
Newbie

4 years ago

#54

Do mines have ventilation! Jesus I wish they worked around here :lol::lol::lol:

From the land of the pillar and stall

robnorthwales
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4 years ago

#55

"sinker" wrote:

Even if he came on here and said "I've always wondered how ventilation works in mines ...oh and by the way I have this history channel you might be interested in...." I'd be ok with that.
He tried a caving website they said "You need mining experts" and sent him here. He asked the question, got some answers, what's the problem? :surrender:

The 'problem' was that user 'Coggy' decided that Lindybeige was basically a scammer, as per his reply on the other thread ...

https://www.aditnow.co.uk/Community/viewtopic.aspx?t=15170&pid=1

"Coggy" wrote:
Are you Youtuber Lindebeige really looking for information or some lazy person trying to scam information for a thesis or book you plan to write; I suspect this as you have say you half the information (but are too idle to find the other half) :ban:

As I said in reply to that post, it was plain offensive, but with no evidence to back up his assertion. If Lindybeige really was a scammer or trying to promote his Youtube channel, then he made a poor job of it, by not mentioning it until asked if he was the same person

Madness takes its toll, please carry exact change

colin567
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Newbie

4 years ago

#56

"legendrider" wrote:
We recently dug through a collapse in a local Lead Mine. One of the trial drifts into the Great Limestone had the remains of an extensive vent duct made from small sticks and the abundant phreatic clay, rather like wattle & daub. Sadly the whole lot was now on the floor, the wood having long rotted away, but the clay pack still bore the impressions of the wattle core.

I'll ask He-who-has-a-finger-in-every-pie if he's any photos of same.

MARK

Some more photos to hopefully help explain what Legendrider found.

https://www.aditnow.co.uk/Photo/Bratticing_121705/

https://www.aditnow.co.uk/SuperSize/Bratticing_121706/

https://www.aditnow.co.uk/Photo/Stemple_121707/

https://www.aditnow.co.uk/Photo/Sealed-Joint_121708/

https://www.aditnow.co.uk/Photo/Sealing-Clay_121709/

https://www.aditnow.co.uk/Photo/Support-Stemples_121710/