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#123803 05/12/06 10:05 PM
Joined: Jul 2002
Posts: 8,441
Likes: 4
Trumpy Offline OP
Member
Photo's and info submitted by Alan Nadon:

Quote
They are pictures of the largest metal shredder in America.
The machine is 500 feet long and four stories high.
The primary service is 138 KV, 400 amp.
It steps down to 4,160 V for the different parts.
The major drive motor is 7,000 Hp
It shreds whole automobiles, tires and all, at the rate of six a minute or 16,000 a week.
The residue is sorted by blowers and electromagnets for salvage.
It is the largest project that I have ever had the opportunity to inspect.
They started the project last fall and it is now in operation.

[Linked Image]


[Linked Image]


[Linked Image]


[Linked Image]


[Linked Image]

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#123804 05/13/06 12:42 AM
Joined: Oct 2000
Posts: 2,724
Likes: 1
Broom Pusher and
Member
What a cool project!!! [Linked Image]

Scott35


Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
#123805 05/13/06 05:29 AM
Joined: Dec 2005
Posts: 141
B
Member
Interesting stuff! Thanks for sharing

#123806 05/13/06 05:32 AM
Joined: Sep 2005
Posts: 421
Member
16,000 a week !! I"ll bet those neighbors are thrilled... [Linked Image]

cool lookin contraption nonetheless...


Tom
#123807 05/13/06 05:39 AM
Joined: Jul 2002
Posts: 8,441
Likes: 4
Trumpy Offline OP
Member
Alan,
7000HP motor!.
Is it a 4160V version?.
It is obviously not 240V!. [Linked Image]
Mate,
I'd be interested to see the control gear on this Bad-Boy!. [Linked Image]

[This message has been edited by Trumpy (edited 05-13-2006).]

#123808 05/13/06 05:51 AM
Joined: Mar 2005
Posts: 1,803
Member
WOW! Alan, I'd love to see some pics of that motor!!! Any chance of you sneakin' back on some pretext, with a camera?

Alan [the other one]

ps. Don't park too close to the plant!


Wood work but can't!
#123809 05/13/06 09:28 AM
Joined: Mar 2005
Posts: 399
A
Member
Unfortunately the motor is not very impressive looking.
It doesn't even look like a motor.
It is enclosed in a box shaped housing about eight feet wide and high and about twelve feet long.
It is about as fancy as looking at a walk in cooler.
It is a 4,160 volt.
Originally it was supposed to be an 8,000 Hp but,the company building it had a problem so they found the 7,000 Hp sitting on a shelf somewhere and substituted it.
The neighbors are happy that the three story stack of junkers has been reduced to below the landscaped berm.
Alan--


Alan--
If it was easy, anyone could do it.
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#123810 05/13/06 10:07 AM
Joined: Jan 2003
Posts: 4,391
I
Moderator
Quote
so they found the 7,000 Hp sitting on a shelf

Oh yeah 4160 volt 7,000 HP motors can be found anywhere, Home Depot or Graingers.

It's those 8000 HP motors that are hard to come by. [Linked Image]

Cool photos, thank you for sending them in.

Bob


Bob Badger
Construction & Maintenance Electrician
Massachusetts
#123811 05/13/06 10:31 AM
Joined: Nov 2000
Posts: 2,148
R
Member
If the unit pulls the full 400 amps, then the electricity will cost about $1600 per hour if they are paying 5 cent per kWH.
Don


Don(resqcapt19)
#123812 05/13/06 12:35 PM
Joined: Feb 2002
Posts: 840
C
Member
There is a facility similar to this one located off of Rt 91 in North Haven, CT (for anyone who is familiar with the area). It has a tiny 4000 HP motor by comparison. [Linked Image]

The operartor of the shredder sits in a "bomb proof" control room because of the occasional propane tank that slips through, which does happen with such a high feed rate. (I am sure the facility pictured is no different.) I was told the shredder operator of the North Haven facility has been knocked on his keester a few times because of such mishaps.

Peter


Peter
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