ANDRITZ to supply new recovery boiler

ANDRITZ has been selected by Mondi Group to supply a 1200 tds/d recovery boiler for Mondi Frantschach at its mill in St. Gertraud, Austria. The boiler is scheduled to start up in the second half of 2013. As per the contract, the company will deliver the entire boiler plant, with auxiliaries, as instrumentation and electrification for the boiler. The scope of supply also includes process control system for the boiler island, including the safety system and integration to the existing mill.

The modern ANDRITZ recovery boiler design will replace two old boilers and will incorporate the vertical air combustion system to ensure the lowest possible emissions. Steam values for the new boiler are designed for an operating pressure of 87.5 bars(a) and temperature of 480º C. For possible future needs, a space allocation is made for chloride and potassium removal system. The boiler’s design also enables the addition of a flue gas cooler and/or a flue gas scrubber in the future.

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