F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/32 (2006.01) C03B 5/235 (2006.01) F23D 14/22 (2006.01) F23D 14/66 (2006.01)
Patent
CA 2633019
The invention relates to a staged oxyfuel combustion method in which a combustion chamber is injected with a jet of fuel inside a jet of primary oxygen gas which is introduced through a hole having a diameter D and a secondary oxygen gas which is introduced through a hole having a diameter d, which is positioned at a distance I from the hole for the primary oxygen gas. According to the invention, the jet of fuel emerges at a distance r set back from the wall of the combustion chamber. The oxygen-rich oxygen gas is pre-heated to a temperature of at least 300 °C. The r/D ratio is between 5 and 20 or between 0.75 and 3 and the I/d ratio is at least 2.
L'invention concerne un procédé d'oxycombustion étagée dans lequel on injecte dans une chambre de combustion le jet du combustible au sein du jet de gaz oxygéné primaire, le jet du gaz oxygéné primaire par un orifice de diamètre D et le jet de gaz oxygéné secondaire par un orifice de diamètre d, placé à une distance I du jet de gaz oxygéné primaire, et dans lequel : - le jet du combustible débouche à une distance r en retrait de la paroi de la chambre de combustion, - le gaz oxygéné riche en oxygène est préchauffé à une température d'au moins 300~C, - le rapport r/D est compris soit entre 5 et 20, soit entre 0,75 et 3, et le rapport I/d est d'au moins 2.
Constantin Gabriel
Imbernon Christian
Leroux Bertrand
Tsiava Remi
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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