A device, system and method of mixing two fluids are described herein. A gaseous first fluid is distributed through a distribution zone to a mixing zone by a bundle of pipes parallel to an axis inside which the first fluid is uniformly distributed. A second fluid is uniformly distributed outside the
A device, system and method of mixing two fluids are described herein. A gaseous first fluid is distributed through a distribution zone to a mixing zone by a bundle of pipes parallel to an axis inside which the first fluid is uniformly distributed. A second fluid is uniformly distributed outside the pipes in the distribution zone. The mixing zone is separated from the distribution zone by a pipe-plate supporting the pipes. The pipe-plate has slits or openings to uniformly discharge the second fluid in an axial flow direction into the mixing zone. The pipes extend beyond the pipe-plate into the mixing zone to partialize an outlet flow of the first fluid. In one aspect, the pipes have different lengths to partialize the outlet flow. In another aspect, a terminal portion of the pipes partializes the outlet flow axially, radially, transversally or a combination thereof in the mixing zone.
대표청구항▼
The invention claimed is: 1. A device for mixing two fluids, inserted in or combined with a reactor, comprising: a first feeding zone including means for allowing a first fluid, gaseous under the operating conditions, to enter in an axial flow direction; an underlying distribution zone including a
The invention claimed is: 1. A device for mixing two fluids, inserted in or combined with a reactor, comprising: a first feeding zone including means for allowing a first fluid, gaseous under the operating conditions, to enter in an axial flow direction; an underlying distribution zone including a bundle of pipes parallel to an axis inside which said first fluid is uniformly distributed; a second feeding zone including means for allowing a second fluid to enter the distribution zone containing the bundle of parallel pipes and to be uniformly distributed outside said parallel pipes; a mixing zone separated from the distribution zone by a pipe-plate supporting said parallel pipes, said pipe-plate having slits or openings to uniformly discharge the second fluid in the axial flow direction into the mixing zone, and said parallel pipes extending beyond said pipe-plate into the mixing zone and having different lengths. 2. The device according to claim 1, wherein a terminal portion of the pipes includes means for partializing an outlet of the fluid distributed therein, axially, radially transversally or a combination thereof in the mixing zone. 3. The device according to claim 1, wherein suitable elements are positioned in the mixing zone, close to the pipe-plate, to stop flame-returns. 4. The device according to claim 1, wherein a porous element is positioned in the mixing zone, immediately behind the pipe-plate, which extends beyond the pipes themselves. 5. A device for mixing two fluids, inserted in or combined with a reactor, comprising: a first feeding zone including means for allowing a first fluid, gaseous under the operating conditions, to enter in an axial direction; an underlying distribution zone including a bundle of pipes parallel to an axis inside which said first fluid is uniformly distributed; a second feeding zone including means for allowing a second fluid to enter the distribution zone containing the bundle of parallel pipes and to be uniformly distributed outside said parallel pipes; a mixing zone separated from the distribution zone by a pipe-plate supporting said parallel pipes, said pipe-plate having slits or openings in order to uniformly discharge the second fluid in an axial direction into the mixing area, said parallel pipes extending beyond said pipe-plate into the mixing zone, and a terminal portion of the pipes includes means for partializing an outlet of the fluid distributed therein, axially, radially, transversally or a combination thereof in the mixing zone. 6. The device according to claim 5, wherein the pipes extending beyond the pipe-plate are of different lengths. 7. The device according to claim 5, wherein suitable elements are positioned in the mixing zone, close to the pipe-plate, to stop flame-returns. 8. The device according to claim 5, wherein a porous element is positioned in the mixing zone, immediately behind the pipe-plate, which extends beyond the pipes themselves. 9. An apparatus for effecting catalytic partial oxidations of hydrocarbons, comprising: the mixing device as claimed in one of claims 1-4 and 5-8; and a reaction zone (R), including a catalytic bed, with a constant or increasing section, along the axis of the apparatus. 10. A catalytic partial oxidation method for a gaseous fuel, including at least one of a hydrocarbon compound, natural gas and LPG, by a catalytic apparatus, the method comprising: distributing a gaseous first fluid containing oxygen by a bundle of parallel pipes, inside which the first fluid is uniformly distributed, the pipes parallel to an axis inside which the first fluid is uniformly distributed, into a distribution zone of the apparatus; distributing a gaseous second fluid containing the fuel to the distribution zone, the second fluid uniformly distributed outside the pipes; partializing an outlet flow of the first fluid into a mixing zone of the apparatus; and mixing the first and second fluids in the mixing zone, the mixing zone separated from the distribution zone by a pipe-plate supporting the pipes, the pipe-plate having slits or openings to uniformly discharge the second fluid in an axial flow direction into the mixing zone, and the pipes extending beyond said pipe-plate into the mixing zone. 11. The method according to claim 10, wherein the mixing the first and second fluids is at temperatures ranging from 25 to 400° C., and the method further comprises: reacting the mixture in a reaction zone of the catalytic system, at inlet temperatures ranging from 5 to 500° C., at space velocity rates ranging from 1,000 to 1,000,000 NI reagents/L cat. x h, reaching temperatures ranging from 450 to 1,500° C., the reaction zone having a constant or increasing cross-section along the axial flow direction. 12. The method according to claim 10, wherein the partializing the outlet flow of the first fluid is performed by distributing the first fluid axially, radially, transversally or a combination thereof into the mixing zone. 13. The method according to claim 10, wherein the partializing the outlet flow of the first fluid is performed by varying lengths of the pipes extending beyond the pipe-plate into the mixing zone. 14. The method according to claim 10, further comprising: inhibiting flame-returns by positioning suitable elements in the mixing zone close to the pipe-plate. 15. The method according to claim 10, further comprising: inhibiting flame-returns by positioning a porous element in the mixing zone, immediately behind the pipe-plate, which extends beyond the pipes themselves.
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이 특허에 인용된 특허 (3)
Boyer,Christophe; Coupard,Vincent; Munier,Gilles, Device for separate injection and homogeneous distribution of two fluids.
Kumar Krishnankutty Nair Padma (Amsterdam NLX) Lednor Peter William (Amsterdam NLX) Lange Jean-Paul (Amsterdam NLX) Schoonebeek Ronald Jan (Amsterdam NLX) Searcy-Roberts Katherine (Amsterdam NLX) Van, Process for the catalytic partial oxidation of hydrocarbons using a certain catalyst support.
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