B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 5/10 (2006.01) B01F 5/16 (2006.01) F04D 7/04 (2006.01) F04D 29/66 (2006.01)
Patent
CA 2596447
The present invention relates to a method of and an apparatus for feeding gaseous or liquid fluid into a medium. The method and apparatus in accordance with the present invention are especially suitable in various fields of industry for mixing gaseous and liquid chemicals and steams into a flow containing at least liquid . The method and apparatus in accordance with the present invention are most preferably suitable for feeding steam into the fiber suspensions of wood processing industry. Most preferably the method and apparatus in accordance with the present invention is used, for example, in such a way that a side flow is taken from a first medium flowing along a suction duct (16) of a centrifugal pump (10), which side flow is recirculated by means of a conduit (18) and into which second medium is fed via a duct (24) in such a way that said side flow and second medium are fed into said first medium flowing in the suction duct (16) prior to taking said side flow from said first medium in view of the main flow direction of said first medium.
La présente invention concerne un procédé et un dispositif d'introduction d'introduire d'un fluide gazeux ou d'un liquide dans un milieu. Ce procédé et ce dispositif conviennent particulièrement dans divers secteurs industriels pour mélanger des produits chimiques à l'état liquide ou en phase vapeur dans un flux contenant au moins un liquide. Dans l'industrie du bois, ils se prêtent tout particulièrement à l'introduction de vapeur dans des suspensions de fibres. Ils conviennent idéalement lorsqu'un flux latéral est tiré d'un premier milieu s'écoulant dans le conduit d'aspiration (16) d'une pompe centrifuge (10), lequel flux latéral est recirculé au moyen d'un conduit (18) et dans lequel on introduit un second milieu via une canalisation (24), ceci de telle sorte que ledit flux latéral et le second milieu soient introduits dans le premier milieu s'écoulant dans la canalisation d'aspiration (16), l'ensemble étant vu dans le sens d'écoulement principal dudit premier milieu.
Heikkila Toni
Vikman Vesa
Fetherstonhaugh & Co.
Sulzer Pumpen Ag
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