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RE: coker heater tubes metal

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Gaetano Ambrosino

A Uniform Temperature Distribution within the furnace is very important in eliminating the tube hot spots induced by flame impingements.
One of the problems encountered in refineryfire heaters is an imbalance in the heat flux in the individual heater passes. The imbalance can cause high coke formation rates and high tubes metal temperature, which reduce a units capacity and can cause premature failure.

The BOILERWATCH MMPII, Acoustic Pyrometer provides highly accurate temperature measurement of heat exchange and heat transfer performance; and allows monitoring of gas temperature conditions, and alerts plant operators concerning impending failures, reducing the frequency of unplanned shutdowns and Coke formation.

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