REDUCED SIZE FIRE TUBE BOILER SYSTEM AND METHOD OF OPERATING SAME
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United States of America Patent
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Issued Date -
Dec 22, 2016
app pub date -
Jun 18, 2015
filing date -
Jun 18, 2015
priority date (Note) -
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Abstract
A boiler system having a generally cylindrical housing or shell includes a main or fire tube with a furnace or combustion chamber extending longitudinally near the bottom of the housing and a burner to accomplish combustion within the combustion chamber. The combustion chamber opens at its rear end to furnace tube sheet, and to a first set of tubes extending longitudinally of the boiler. The first set of tubes extends to and through the rear tube sheet of the boiler to a turnaround space, which transitions to a second set of tubes located above the combustion chamber and first set of tubes to generally span a length extending from the rear tube sheet of the boiler to the front tube sheet. The boiler system as disclosed has a reduced size while maintaining efficiency in steam and hot water applications.
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