Method and Apparatus for Improved Operation of Chemical Recovery Boilers
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United States of America
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Dec 5, 2024
app pub date -
May 7, 2024
filing date -
May 7, 2024
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Abstract
A chemical recovery boilers is described in which the primary air system is reconfigured to provide aggressive charbed control and improved combustion in the lower furnace. The fewest number of primary air ports are used on two opposing walls to generate powerful air jets that penetrate across the boiler providing physical and thermal stability to the charbed while increasing the heat release and combustion stability in the lower furnace, increasing reduction efficiency, and lowering carryover and emissions. Various embodiments are described including operating strategies and multi-level black liquor injection.
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