| 摘要 |
The heating boiler for liquid and gaseous fuels consists of an outer water jacket with flow and return connections. A combustion chamber with water jacket is arranged in the outer water jacket, and is surrounded by heating gas flues which are subdivided into individual channels. The heating gas flues are connected via a deflecting chamber to a collecting chamber and the two water jackets are connected by overflow channels. The opposed bounding walls (1,1') of the at least one heating gas flue are formed by welded-together extruded profile strips, the ribs (4) of which on the heating gas side are directed against each other. <IMAGE>
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