Method for starting a steam generator comprising a heating...

F - Mech Eng,Light,Heat,Weapons – 22 – B

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Details

F22B 35/14 (2006.01) F22B 1/18 (2006.01) F22B 21/00 (2006.01)

Patent

CA 2458390

The invention relates to a steam generator (1) comprising a heating gas channel (6), which can be traversed in an approximately horizontal heating gas direction and in which at least one continuous heating surface (8) is located, configured from a number of approximately vertical evaporator tubes (14), connected in parallel to allow the passage of a flow medium (W, D). The aim of the invention is to provide a method for starting a generator, which guarantees a high degree of operational safety, even for a steam generator with a particularly simple construction (1). According to the invention, to achieve this, at least several evaporator tubes (14) are partially filled to a predeterminable desired level with unevaporated flow medium (W), prior to the impingement of the heating gas channel (6) by a heating gas.

L'invention concerne un procédé de mise en marche d'un générateur de vapeur (1) comprenant un canal à gaz chauffant (6) pouvant être traversé par un gaz chauffant dans une direction approximativement horizontale et dans lequel est disposée au moins une surface chauffante continue (8) formée par une pluralité de tuyaux de vaporisation (14) disposés de manière approximativement verticale et montés en parallèle de manière à être traversés par une substance d'écoulement (W, D). Ce procédé garantit une sécurité de fonctionnement élevée même pour un générateur de vapeur (1) présentant une construction particulièrement simple. Selon la présente invention, au moins quelques tuyaux de vaporisation (14) sont partiellement remplis d'une substance d'écoulement non vaporisée (W) avant que le canal à gaz chauffant (6) soit alimenté en gaz chauffant jusqu'à un état de remplissage théorique prédéterminé.

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