| 摘要 |
Hot water or steam boiler comprising a furnace section and a convection section in which the furnace section is limited by a wall section formed of liquid or steam tubes placed side by side, while the convection section has a number of liquid or steam chambers communicating with said liquid or steam tubes, through the which chambers there run flue gas tubes communicating with said furnace section through flue gas chambers and sealed off from the fluid or steam chamber.
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