F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/04 (2006.01) B03C 3/017 (2006.01) B03C 3/02 (2006.01) F02C 7/052 (2006.01)
Patent
CA 2402522
The present invention describes a method and an arrangement for purifying the intake air of a gas turbine of solid particles and liquid droplets. According to the invention air is taken into the system of intake air passages (1, 2, 4) of the gas turbine and the particles contained in the intake air are collected by means of at least one plate filter (3) to which a collection voltage has been connected. In order to enable and enhance collection, the air is taken into at least one charging chamber (2) arranged at a distance prior to the plate filters (3) in the flow direction of the air, where an electric field is formed between at least two electrodes (5, 7) by connecting a voltage between the electrodes which exceeds the collection voltage, whereby powerful charging of the particles and at least partial removal of the water contained in the air are effected.
L'invention concerne un procédé et un dispositif servant à purifier l'air d'admission d'une turbine à gaz de particules solides et de gouttelettes de liquide. Dans le procédé, l'air est amené dans un système de passages (1, 2, 4) d'air d'admission de la turbine à gaz, et les particules que contient l'air d'admission sont collectées par au moins un filtre (3) à plaques auquel est appliquée une tension de collecte. Afin de renforcer la collecte, l'air est amené dans au moins une chambre de charge (2) placée à une certaine distance en amont des filtres (3) à plaques par rapport au sens d'écoulement de l'air ; un champ électrique est formé dans cette chambre entre au moins deux électrodes (5, 7) par l'application entre ces électrodes d'une tension supérieure à la tension de collecte. Ce procédé permet de charger fortement les particules et d'éliminer au moins partiellement l'eau que contient l'air.
Lehtimaki Matti
Malkamaki Matti
Fortum Oyj
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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