Boiler with improved hot gas passages
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United States of America Patent
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Aug 2, 2016
Grant Date -
Dec 30, 2010
app pub date -
Jun 11, 2010
filing date -
Jun 30, 2009
priority date (Note) -
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Abstract
The present document describes a boiler for heating a cold fluid with a hot fluid. The boiler comprises a lower drum, an upper drum, a plurality of right tubes for conveying the cold fluid, where each of the right tubes are fluidly connecting the lower drum and the upper drum, where the right tubes form a right wall and where each of the right tubes comprises at least one left inwardly extending portion extending toward a left wall and a plurality of left tubes for conveying the cold fluid, where each of the left tubes fluidly connect the lower drum and the upper drum, and where the left tubes form the left wall facing the right wall, where each of the left tubes comprises at least one right inwardly extending portion, each extending toward the right wall.
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