| 摘要 |
The heating surface structure is for boundary walls conducting heating gas or flue gas, especially for combustion chambers, heating gas flues, or flue gas headers of heating boilers. The heating surface (1) is formed from three layers (2,3,4). The inner layer (3) is connected to the two outer layers (2,4) by metallic heat conducting bridges (5) such that the heat conducting bridges (5) from one outer layer (4) to the inner layer (3) and from the inner layer (3) to the other outer layer (2) are mutually offset. <IMAGE>
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