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#214284 - 01/04/11 05:56 PM OT... concrete factories
Susan Offline
Geezer

Registered: 01/21/04
Posts: 5163
Loc: W. WA

In my daily travels, I pass three concrete factories. All of them have one or two huge domes. What are the domes for?

Bored minds want to know...

Sue

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#214285 - 01/04/11 06:09 PM Re: OT... concrete factories [Re: Susan]
Todd W Offline
Product Tester
Pooh-Bah

Registered: 11/14/04
Posts: 1928
Loc: Mountains of CA
Sounds like where they make cement not concrete, and I believe the kiln is in there.
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Self Sufficient Home - Our journey to self sufficiency.

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#214312 - 01/05/11 01:11 AM Re: OT... concrete factories [Re: Susan]
Susan Offline
Geezer

Registered: 01/21/04
Posts: 5163
Loc: W. WA
I'm sorry! I knew better than that!

Yes, CEMENT factories.

Sue

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#214346 - 01/05/11 01:11 PM Re: OT... concrete factories [Re: Todd W]
Blast Offline
INTERCEPTOR
Carpal Tunnel

Registered: 07/15/02
Posts: 3760
Loc: TX
The domes are where they keep the raw materials before sending it through the kiln. The kiln is the big, l-o-n-g tube set at about a 40-degree angle. The componets are fed in to the top of the heated tube and are converted into cement as they get dehydrated as they flow down the tube.

Here's a great book that describes all the different industrial things that make up our civilized world:
Infrastructure: A Field Guide to the Industrial Landscape
Even my DW read found this book interesting, though mainly to answer all the DDs' questions.
-Blast


Edited by Blast (01/05/11 01:12 PM)
_________________________
Foraging Texas
Medicine Man Plant Co.
DrMerriwether on YouTube
Radio Call Sign: KI5BOG
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#214349 - 01/05/11 01:56 PM Re: OT... concrete factories [Re: Susan]
JBMat Offline
Old Hand

Registered: 03/03/09
Posts: 745
Loc: NC
Semi-on, sorta off topic.

Like grain elevators, cement factories can go boom quite readily. Something to think about when planning get out of the area routes.

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#214383 - 01/05/11 09:22 PM Re: OT... concrete factories [Re: JBMat]
Susan Offline
Geezer

Registered: 01/21/04
Posts: 5163
Loc: W. WA
One of the cement factories is sitting right beside the Alaskan Way Viaduct, both on some of the most unstable ground in Washington State. All I can think if is that, if the cement factory goes, the shrapnel will probably take down the viaduct!

I hope I'm home in bed at the time...

Thanks, Blast, I'll have to read that one.

Sue

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#214394 - 01/06/11 02:58 AM Re: OT... concrete factories [Re: Susan]
Yuccahead Offline
Member

Registered: 07/24/08
Posts: 199
Loc: W. Texas
"The kiln is the big, l-o-n-g tube set at about a 40-degree angle."

The kilns can also be essentially horizontal. I once visited a former East German cement plant that was built to provide cement to the entire country. The plant had 4 spinning kilns about 100 yards long and 8 feet or so in diameter. The plant polluted so much that a neighboring town had to sweep all their roofs periodically to remove all the ash and other by-products that settled out of the air.
_________________________
-- David.

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#214577 - 01/08/11 09:04 PM Re: OT... concrete factories [Re: Blast]
hikermor Offline
Geezer in Chief
Geezer

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
I just found this book in our library. Very nice read and quite informative.

No wonder you recommended it! On pae 20, there is a section on mine explosives, headlined "It's a Blast"......
_________________________
Geezer in Chief

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#214579 - 01/08/11 11:25 PM Re: OT... concrete factories [Re: hikermor]
Blast Offline
INTERCEPTOR
Carpal Tunnel

Registered: 07/15/02
Posts: 3760
Loc: TX
Originally Posted By: hikermor
I just found this book in our library. Very nice read and quite informative.

No wonder you recommended it! On pae 20, there is a section on mine explosives, headlined "It's a Blast"......


grin grin grin
-Blast
_________________________
Foraging Texas
Medicine Man Plant Co.
DrMerriwether on YouTube
Radio Call Sign: KI5BOG
*As an Amazon Influencer, I may earn a sales commission on Amazon links in my posts.

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#215443 - 01/22/11 02:05 PM Re: OT... concrete factories [Re: Blast]
hikermor Offline
Geezer in Chief
Geezer

Registered: 08/26/06
Posts: 7705
Loc: southern Cal
This book is a great read and very informative. One begins to see how thoroughly messed up our lives can be when these systems are interrupted by a major calamity. It is also thick and heavy. I will keep a copy by my bed to protect me during an earthquake.
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Geezer in Chief

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