Methods of steam generation characterised by form of heating method

Child Classifications

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• F22B 1/003
• F22B 1/006
• F22B 1/02 by exploitation of the heat content of hot heat carriers
• F22B 1/20 using heat evolved in a solution absorbing steam; Soda steam boilers
• F22B 1/22 using combustion under pressure substantially exceeding atmospheric pressure
• F22B 1/28 in boilers heated electrically