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Heating a galvanizing kettle with lead jacket

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Q. Good day.
We have an old wire galvanizing facility.

The zinc kettle has a lead jacket surrounding the zinc.

The heating method is 4 flat flame burners on each side with 2 separate control circuits.

We have damaged a few of the lead jackets in the past.

What will be a solution to try and spare the lead jacket from burning and cracking?

Where must we measure the bath temps in this continuous process?

Marius Fourie
- Germiston Gauteng, South Africa
September 23, 2023

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