Velocity damper for a recovery boiler
Number of patents in Portfolio can not be more than 2000
United States of America
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Jan 18, 2022
Grant Date -
Jul 30, 2020
app pub date -
Jan 20, 2020
filing date -
Jan 20, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A method is provided for controlling airflow into a furnace that employs a velocity type damper. In one embodiment, the method for controlling airflow may include engaging a velocity type damper to an air port opening of a furnace. The velocity type damper includes at least one air controlling surface that is positioned proximate to a wall of the furnace at the air port opening so that air velocity exiting the at least one air controlling surface is substantially equal to the air velocity entering the air port opening to the furnace. The method may further include adjusting a cross sectional area through the velocity type damper to control air velocity into the furnace through the air port opening.
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