F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 3/14 (2006.01) D21C 11/12 (2006.01) F23G 5/44 (2006.01) F23G 7/04 (2006.01)
Patent
CA 2359406
The present invention relates to an arrangement for introducing black liquor into a furnace of a recovery boiler, said arrangement comprising an elongated tube having an interior surface and an exterior surface, through which tube the black liquor being fed into the furnace is supplied, whereby the black liquor is taken into contact with said interior surface prior to being sprayed into the furnace. The interior surface of said elongated tube is provided with heat transfer elements and surfaces, such as fins or grooves. The heat transfer element or surface increases the heat conductivity between the tube and the black liquor above the conductivity achieved with a normal tube passage.
Hytonen Antti
Piilonen Pentti
Vakkilainen Esa
Andritz Oy
Andritz-Ahlstrom Oy
Gowling Lafleur Henderson Llp
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