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4hv.org :: Forums :: General Science and Electronics
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Mercury arc rectifier how to transport it safely

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chesterdylan
Mon Jan 25 2016, 07:17PM Print
chesterdylan Registered Member #58317 Joined: Mon Jan 18 2016, 01:59AM
Location:
Posts: 5
Has anyone got any tips on how to move a 10kw mercury arc rectifier its in a cabinet with a huge transformer which is going to be a nightmare to move. I was thinking of removeing the rectifier and suspending it in a crate and i was wondering if there was a way of making some sort of back up plan to catch the mercury incase it broke in transit.
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hen918
Mon Jan 25 2016, 08:02PM
hen918 Registered Member #11591 Joined: Wed Mar 20 2013, 08:20PM
Location: UK
Posts: 556
lining the inside of the crate with sheet plastic?
I would recommend filling the crate with polystyrene or foam with the rectifier ensconced in the middle.
Oh yeah, and affixing a large sticker on the outside with "handle with care: live human tissue for transplant" if it's going to be handled by an external contractor.
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Ash Small
Tue Jan 26 2016, 12:42AM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
Remove the rectifier and wrap it in loads of that foam wrap stuff and then place it into a polythene or similar container. It won't break if it is packed in sufficient foam wrap stuff, but you want it in a plastic container for peace of mind wink

Edit : I assume the rectifier is glass.
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Blackcurrant
Tue Jan 26 2016, 02:35PM
Blackcurrant Registered Member #2989 Joined: Sun Jul 11 2010, 12:01AM
Location: UK
Posts: 94
Put the rectifier in a Peli case. Even if the mercury gets loose it should not get out.

Link2
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Carbon_Rod
Tue Jan 26 2016, 11:23PM
Carbon_Rod Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
Bag and pack it into a sealed Styrofoam container with sacks of powdered sulphur it the bottom.

Normally, a Hazardous Material certified ground courier, crew, and spill-kit is needed.
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Ash Small
Wed Jan 27 2016, 02:10AM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
I collected the two I have in the boot (trunk) of my car wink
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Carbon_Rod
Thu Jan 28 2016, 07:15AM
Carbon_Rod Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
Ash Small wrote ...

I collected the two I have in the boot (trunk) of my car wink

Was this after exposure to mercury vapour?
One doesn't get a second try at preventing Hydrargyria.
wink
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chesterdylan
Sun Jan 31 2016, 11:22PM
chesterdylan Registered Member #58317 Joined: Mon Jan 18 2016, 01:59AM
Location:
Posts: 5
Thanks for your replys it is glass and its to big for a peli case well at least for one that i can aford its about 500mm tall and 400 wide. Luckly its only down the road so i will be going for it myself just got to put in a new power feed as payment.
Whats the powdered sulphur for.
dylan
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Carbon_Rod
Mon Feb 01 2016, 03:22AM
Carbon_Rod Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155
Mercury vapour, surface seepages, and or small spills.

Link2

Most accumulative poisons tend to have people underestimate the long term hazard.
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johnf
Mon Feb 01 2016, 06:28PM
johnf Registered Member #230 Joined: Tue Feb 21 2006, 08:01PM
Location: Gracefield lower Hutt
Posts: 284
Dylan
The powedered sulphur reacts with the mercury and stops the mercury vapour. You leave the sulphur powder over the affected area for an hour or two then vacuum it up and dispose of the vacuum bag appropriately
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