F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 29/06 (2006.01)
Patent
CA 2126230
WO 93/13356 - 12 - PCT/DE92/01054 Abstract In once-through flow steam generators comprising a burner (11) for fossil fuels having a vertical gas flue (1) comprising essentially vertically arranged tubes (2, 3), the inlet ends thereof are connected to an inlet header (9) and the outlet ends thereof are connected to an outlet header (12). According to the invention, from each tube (2) a pressure-equalisation tube (25) branches off at the same height H, which tube (25) is connected to a pressure-equalisation vessel (4), the height H being chosen in such a way that in the case of an individual tube (2) being more strongly heated between the inlet header (9) and the branching-off point of the pressure- equalisation tube (25), compared to the mean value of the heating of all the tubes (2), the mass flow through this individual tube (2) increases. FIG. 1
Kastner Wolfgang
Kohler Wolfgang
Wittchow Eberhard
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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