| 摘要 |
A heat exchanger particularly for cooling of hot smoke gases with aggresive components by clean gas to be heated, has side walls having two spaced ends, bottom walls arranged at the ends of the side walls, a plurality of glass pipes extending substantially parallel to each other and to the side walls and arranged so that a smoke gas passes through the glass pipes, while a clean gas passes transversely to the latter, and flow passages extending along the side walls in direction of glass pipes and arranged for guiding the smoke gas.
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