B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/08 (2006.01) B05B 1/30 (2006.01) B05B 7/00 (2006.01) B05B 17/06 (2006.01) F01D 25/00 (2006.01) F04D 29/70 (2006.01)
Patent
CA 2513233
Disclosed is a method for interspersing a gas flow (8) with liquid droplets (5), according to which the liquid droplets (5) are injected into the gas flow (8) on a specific liquid injection plane (50). An auxiliary gas (6.1, 6.2) is injected into the gas flow (8) at the same time as the liquid droplets (5). The injection rate of the auxiliary gas (6.1, 6.2) is greater than the injection rate of the liquid droplets (5) such that the injected auxiliary gas (6.1, 6.2) stabilizes the injected liquid droplets (5) regarding the trajectory and size thereof, partly shields the injected liquid droplets (5) from the gas flow (8), and/or entrains the injected liquid droplets (5) into the gas flow (8), whereby the spatial distribution of the liquid droplets (5) and the size distribution thereof can be better controlled. The liquid droplets (5) penetrate the gas flow (8) in a more efficient manner than they would without auxiliary gas (6.1, 6.2). In a preferred application, the inventive method is used for online wet cleaning a gas turbine compressor.
L'invention concerne un procédé permettant de projeter des gouttes de liquide (5) dans un flux de gaz (8), les gouttes de liquide (5) étant pulvérisées dans le flux de gaz (8) dans un plan de pulvérisation de liquide (50). Un gaz auxiliaire (6.1, 6.2) est simultanément projeté avec les gouttes de liquide (5) dans le flux de gaz (8). La vitesse de pulvérisation du gaz auxiliaire (6.1, 6.2) est supérieure à la vitesse de pulvérisation des gouttes de liquide (5), de telle façon que le gaz auxiliaire pulvérisé (6.1, 6.2) stabilise les gouttes de liquide (5) pulvérisées en termes de trajectoire et de taille, les protège partiellement du flux gazeux (8) et/ou les emporte dans le flux gazeux (8). On obtient ainsi un meilleur contrôle de la répartition spatiale des gouttes de liquide (5) et de leur répartition dimensionnelle. Les gouttes de liquide (5) pénètrent dans le flux gazeux (8) plus efficacement qu'en l'absence de gaz auxiliaire (6.1, 6.2). Une application préférée est le nettoyage par voie humide en direct d'un compresseur de turbine à gaz.
Marks & Clerk
Turbotect Ltd.
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