| 摘要 |
Covers a heat exchanger for use in a boiler or other heating system. The heat exchanger includes one or more boiler sections each having a passage for water or for any other fluid medium, each passage extending vertically throughout the section. One of the walls of each water passage section has a plurality of closely arranged laterally protruding fins formed integrally with the wall of the water passage. The heat exchanger may also be provided with two such sections each equipped with a like plurality of closely arranged laterally protruding fins. The two sections may be arranged opposite each other so that the fins of the two sections extend toward each other. One or more horizontally disposed burners may be positioned below the fins and supplied with gas for heating the fins and the inner walls of the water passages.
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