Method for upgrading a boiler
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United States of America Patent
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-
Jan 30, 2001
Grant Date -
N/A
app pub date -
Jul 21, 1999
filing date -
Dec 19, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A method for upgrading a boiler is provided. When operating at a first capacity, the boiler is used such that an open space is kept in radiation communication with a firebox. The open space is also kept as empty. A first set of water circulation tubes are connected to the boiler cylinder in connection with the ascending tubes. When the boiler is operated at a second capacity, which is higher than the first capacity, at least one additional part is arranged in the open space to expand the basic super heater arrangement. Additionally, or alternatively at the second capacity, a second set of water circulation tubes may be connected to the boiler cylinder in connection with the ascending tubes. The second set of water circulation tube has a capacity exceeding that of the first set of water circulation tubes.
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