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Old 03-07-2017, 06:11 PM   #121
xoxoxoBruce
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In a typical shredding operation, cars are delivered with the wheels off, battery out and they are supposed to remove the gas tank, but I've seen enough explosions to know some don't, the rig is built sturdy enough to handle that. There are big blowers to separate the upholstery/foam, magnets to pick up the ferrous metal (some stainless is ferrous and some is not), but I'm not sure how they separate the plastic, copper, and aluminum because that's done offsite.
Goldfinger used a compactor, not a shredder.
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Old 03-07-2017, 11:12 PM   #122
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well, it comes out in a stream of chunks/shreds/bits and the ferrous material can easily be sorted out magnetically. That's one stream. The rest, there are other sorting methods, air blowers, by density, etc, etc.
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Old 03-07-2017, 11:13 PM   #123
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hashtag tailposter
hashtag unfortunatepagebreak
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Old 03-07-2017, 11:33 PM   #124
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Eh, it happens.
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Old 03-08-2017, 01:39 AM   #125
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This machine I've been up close and personal with several times. Custom built and flawless.
I haven't seen it with that pickup aboard which has a color I despise.
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Old 03-08-2017, 06:11 AM   #126
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Originally Posted by xoxoxoBruce View Post
In a typical shredding operation, cars are delivered with the wheels off, battery out and they are supposed to remove the gas tank, but I've seen enough explosions to know some don't, the rig is built sturdy enough to handle that. There are big blowers to separate the upholstery/foam, magnets to pick up the ferrous metal (some stainless is ferrous and some is not), but I'm not sure how they separate the plastic, copper, and aluminum because that's done offsite.
Goldfinger used a compactor, not a shredder.
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Originally Posted by BigV View Post
well, it comes out in a stream of chunks/shreds/bits and the ferrous material can easily be sorted out magnetically. That's one stream. The rest, there are other sorting methods, air blowers, by density, etc, etc.
Thank you, Gentlemen. All is clear now.
I was labouring under a misapprehension.
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Old 03-08-2017, 12:39 PM   #127
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, copper, and aluminum because that's done offsite.
.
Eddy picks out the non-ferrous metals.
Hit them with an alternating magnetic field and Eddy currents are generated in the metal which in turn generates an opposing magnetic field and they are repelled. They can be just rolling down a conveyor and when they reach the magnet they fly off into a bin at the side.
Not sure if you can then sort Aluminum from Copper with a refinement of this technique.
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Old 03-08-2017, 12:55 PM   #128
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Ah, thanks beest.
Much of the copper salvaged would be wire with a plastic coating, I guess that would be burned off, probably too expensive using chemicals to dissolve the plastic because of the cost of waste disposal.
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Old 03-08-2017, 03:01 PM   #129
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I believe it is illegal to burn off the plastic/vinyl here in good ol' KY.

I think it had to do with copper theft somehow.
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Old 03-08-2017, 10:43 PM   #130
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My buddy's father used to burn the insulation off copper wire in a wood stove he had in his garden shed. This was a densely populated middle class neighborhood, and the smoke coming out of the stack was not only scary looking, you could smell it blocks away.

The commercial trash to steam plant that burns all the county trash, burns a shitload of plastic but it's not a problem because they have a tall stack so it all blows over to Jersey.
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Old 03-08-2017, 10:46 PM   #131
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Here's another cool machine all set up to show.
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Old 03-09-2017, 11:50 AM   #132
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..and today


https://www.tradeearthmovers.com.au/...at-minexpo2016

Mines are big places with not a lot of people meandering about, stoplights, or cross-traffic, so an interesting starting application for driverless vehicles.
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Old 03-09-2017, 01:08 PM   #133
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I saw that coming, the mine's closed course is the logical application for autonomous vehicles.
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Old 03-09-2017, 09:26 PM   #134
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plus, you can put another boulder where the cab used to be
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Old 03-14-2017, 03:33 PM   #135
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A modernized tanker, see the low profile tires.
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