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Can we let the galvanizing bath cool when not in use?

July 10, 2008

HELLO
THIS IS JAMIL FROM PAKISTAN WORKING AT GALVANIZING PLANT WANT TO KNOW THAT WHEN THERE IS NO WORK AT PALNT. CAN WE STOP HEATING BATH TILL THE WORK RESTART KEEPING THE ZINC IN THE BATH.WHAT WILL BE THERE IN SUCH SITUATION,WILL HARMFUL OR SAFE TO KEEP THE ZINC IN THE BATH.I SHALL BE GRATEFUL IF YOU HELP US IN THIS REGARD.
JAMIL AKHTAR

JAMIL AKHTAR
EMPLOYEE - PAKISTAN

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First of two simultaneous responses -- July 11, 2008

You didn't say to cool by how much?

If you normally run at say 450C, then you might consider to cool to 425, but much lower and you'll have the zinc start to solidify. And that will shorten kettle life.

What is your objective to let it cool? To save energy?
If so, then insulate. It doesn't take any energy to keep the metal hot, only to overcome the losses.
So, insulate. Prevent those losses.

Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK

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Second of two simultaneous responses --

halo,
See you can but you cannot as because it will harm the kettle.What you can do at your best is you can keep it on one burner which should in any case keep your temperature to 435 degree C depending on the burner.

Nitesh agarwal
- Kolkata, India
July 12, 2008

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Dear Mr. Jamil,

You can do. Cool down the kettle as slow as you can.

Ajay Singh
- Kokata,W.Bengal, India
August 29, 2008

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Dear Mr. Jamil,

If there is no production for long duration (say for a month or more), stop firing, cool down the furnace as slowly as you can till it goes to room temperature.

Ajay K. Singh
- Kolkat, W.Bengal, India
August 30, 2008