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F22B1/00—Methods of steam generation characterised by form of heating method
F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
F22B1/26—Steam boilers of submerged-flame type, i.e. the flame being surrounded by, or impinging on, the water to be vaporised
Verfahren zur vorwaermung eines oxydierten gases durch verbrennungsgase und an einen brenner angeschlossene vorwaermeeinrichtung zur anwendung dieses verfahrens.