Arrangement for and a method of operating a steam boiler system
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United States of America Patent
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Dec 26, 2023
Grant Date -
Jan 19, 2023
app pub date -
Dec 18, 2019
filing date -
Dec 18, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A method of operating and an arrangement for a steam boiler system including a furnace and along a following flue gas channel a number of superheaters, a number of economizers, and at least one air preheater located in the flue gas channel downstream of the economizers, a fabric filter baghouse located in the flue gas channel downstream of the air preheater, and downstream of the fabric filter baghouse is located a selective catalytic reduction (SCR) system including an SCR reactor, a high pressure steam coil heater upstream of the SCR reactor and a gas-gas heat exchanger connected upstream and downstream of the SCR reactor to transfer heat from flue gas after the SCR reactor to the flue gas upstream of the high pressure steam coil heater.
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