A gas mixer for mixing a first gas and a second gas, having a first, outer gas housing part, having an inlet for the first gas in a longitudinal axis and an inlet for the second gas in a transverse axis, a second, interior gas housing part set into the first gas housing part to form an annular space
A gas mixer for mixing a first gas and a second gas, having a first, outer gas housing part, having an inlet for the first gas in a longitudinal axis and an inlet for the second gas in a transverse axis, a second, interior gas housing part set into the first gas housing part to form an annular space for a second gas, having a mixing space into which the first gas and the second gas are introduced for mixing. The first and second gas housing parts and the annular space are aligned along the longitudinal axis and the mixing space is aligned cylindrically along the longitudinal axis. A mixing device having a plurality of hollow rods is arranged in the mixing space. A hollow space of a hollow rod is in fluid communication on both sides with the annular space. The number of hollow rods extends transverse to the longitudinal axis and the transverse axis and at least one hollow rod has a plurality of openings for the second gas, so that the hollow space is in fluid communication with the cylindrical mixing space.
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1. A gas mixer for mixing together a first gas and a second gas, comprising a multi-part gas housing connectable to a gas feed, which housing comprises: a first, outer gas housing part, with a feed line for the first gas in a longitudinal axis and a feed line for the second gas in a transverse axis;
1. A gas mixer for mixing together a first gas and a second gas, comprising a multi-part gas housing connectable to a gas feed, which housing comprises: a first, outer gas housing part, with a feed line for the first gas in a longitudinal axis and a feed line for the second gas in a transverse axis;a second, inner gas housing part, which forms an annular space for the second gas and which is inserted into the first gas housing part, the second housing part having a mixing space, into which the first gas and the second gas are introduced so that they are mixed to form a gas mixture, wherein the first gas housing part, the second gas housing part and the annular space are oriented along the longitudinal axis, and the mixing space is oriented cylindrically along the longitudinal axis; anda mixing arrangement having a set of hollow bars is arranged in the mixing space, wherein the hollow space of a hollow bar is fluidically connected at both ends to the annular space, wherein the set of hollow bars extends transversely to the longitudinal axis and transversely to the transverse axis; andat least one hollow bar comprises a plurality of through-openings for the second gas, so that the hollow space is fluidically connected to the cylindrical mixing space, wherein a hollow bar of the set of hollow bars is formed as a flat bar, wherein a narrow side of the flat bar comprises an inflow cross section which has only a local effect on a course of the flow, and a flat side of the flat bar is oriented parallel to the longitudinal axis and transversely to the transverse axis, wherein a narrow, upstream side of the hollow bar comprises an inflow surface formed as a half-rounding, which comprises a flow stagnation point and is free of a through-opening, wherein a flow guide surface, which extends from the narrow, upstream side of the hollow bar to the flat side and merges with the inflow surface, comprises the plurality of through-openings, and a flow separation surface, which proceeds on the flat side of the hollow bar to the flow guide surface, is free of a through-opening. 2. The gas mixer according to claim 1, wherein the set of hollow bars extends transversely to the longitudinal axis and transversely to the transverse axis so that the mixing arrangement is mirror-symmetric to a first central plane containing the transverse axis and the longitudinal axis and also mirror-symmetric to a second central plane perpendicular to the transverse axis. 3. The gas mixer according to claim 1, wherein at least one hollow bar of the set of hollow bars extends along a secant of a cross section of the mixing space and is thus off-center with respect to a diameter of the mixing space. 4. The gas mixer according to claim 3, wherein all of the hollow bars extend along secants of the cross section of the mixing space. 5. The gas mixer according to claim 1, wherein at least one first and one second hollow bar of the set of hollow bars have a common orientation. 6. The gas mixer according to claim 5, wherein the first and second hollow bars are plane-parallel. 7. The gas mixer according to claim 1, wherein only one central hollow bar of the set of hollow bars extends transversely to the longitudinal axis and transversely to the transverse axis and centrally along a diameter of the cross section of the mixing space. 8. The gas mixer according to claim 1, wherein a hollow bar of the set of hollow bars extends with a uniform bar cross section over an entire cross section along the diameter of the mixing space. 9. The gas mixer according to claim 8, wherein the hollow bar extends with a uniform cross-section over a secant or diameter of the mixing space. 10. The gas mixer according to claim 1, wherein the mixing arrangement has between one and twelve hollow bars. 11. The gas mixer according to claim 1, wherein the mixing arrangement has at least four hollow bars. 12. The gas mixer according to claim 1, wherein the hollow bar comprises a first plurality of through-openings on a top flat side and a second plurality of through-openings on a bottom flat side. 13. The gas mixer according to claim 12, wherein the through-openings are distributed along an entire length of the hollow bar. 14. The gas mixer according to claim 13, wherein the through-openings are equally spaced. 15. The gas mixer according to claim 1, wherein an entrance orifice arranged upstream on the first gas housing part forms a narrowed entrance flow cross section for the first gas, which merges smoothly with the cylindrical mixing space or additionally an exit orifice arranged further downstream forms a discharge flow cross section, which is neither constricted nor expanded, for the mixed first and second gases, which merge smoothly with the downstream guide for the mixed first and second gases. 16. The gas mixer according to claim 1, wherein the annular space for supplying the second gas to the mixing space is connected directly to the mixing space by additional through-openings for the second gas, wherein the additional through-openings are arranged upstream of the plurality of through-openings in the hollow bar. 17. A gas mixer for mixing together a first gas and a second gas, comprising a multi-part gas housing connectable to a gas feed, which housing comprises: a first, outer gas housing part, with a feed line for the first gas in a longitudinal axis and a feed line for the second gas in a transverse axis;a second, inner gas housing part, which forms an annular space for the second gas and which is inserted into the first gas housing part, the second housing part having a mixing space, into which the first gas and the second gas are introduced so that they are mixed to form a gas mixture, wherein the first gas housing part, the second gas housing part and the annular space are oriented along the longitudinal axis, and the mixing space is oriented cylindrically along the longitudinal axis; anda mixing arrangement having a set of hollow bars is arranged in the mixing space, wherein the hollow space of a hollow bar is fluidically connected at both ends to the annular space, wherein the set of hollow bars extends transversely to the longitudinal axis and transversely to the transverse axis; andat least one hollow bar comprises a plurality of through-openings for the second gas, so that the hollow space is fluidically connected to the cylindrical mixing space wherein a hollow bar of the set of hollow bars is formed as a flat bar, wherein a narrow side of the flat bar comprises an inflow cross section which has only a local effect on a course of the flow, and a flat side of the flat bar is oriented parallel to the longitudinal axis and transversely to the transverse axis, wherein the plurality of through-openings is arranged in an area of the flow guide surface of the flat side which is upstream from a center perpendicular to the flat side, and the plurality of through-openings is arranged in a row adjacent and parallel to an upstream side edge between the narrow and flat sides of the hollow bar. 18. The gas mixer according to claim 1, wherein the annular space is formed between the second and first gas housing parts, surrounds the mixing space, and extends only over a part of the mixing space in a direction of the longitudinal axis, wherein the cylindrical mixing space is bounded, by a wall of the second housing part extending along the longitudinal axis with an essentially constant diameter, geometrically as a straight cylinder with a circular base and cross section, oriented along the longitudinal axis. 19. A gas mixer for mixing together a first gas and a second gas, comprising a multi-part gas housing connectable to a gas feed, which housing comprises: a first, outer gas housing part, with a feed line for the first gas in a longitudinal axis and a feed line for the second gas in a transverse axis;a second, inner gas housing part, which forms an annular space for the second gas and which is inserted into the first gas housing part, the second housing part having a mixing space, into which the first gas and the second gas are introduced so that they are mixed to form a gas mixture, wherein the first gas housing art, the second gas housing part and the annular space are oriented along the longitudinal axis, and the mixing space is oriented cylindrically along the longitudinal axis; anda mixing arrangement having a set of hollow bars is arranged in the mixing space, wherein the hollow space of a hollow bar is fluidically connected at both ends to the annular space, wherein the set of hollow bars extends transversely to the longitudinal axis and transversely to the transverse axis; andat least one hollow bar comprises a plurality of through-openings for the second gas, so that the hollow space is fluidically connected to the cylindrical mixing space, wherein a second, downstream annular space serves as a high-pressure return, and the first, upstream annular space is connected to the mixing space by round holes or the second, downstream annular space is connected to the mixing space by oblong holes, wherein the round holes and the oblong holes are arranged or oriented around a circumference of the mixing space. 20. A gas mixing system comprising: a gas engine with a number of cylinders; and a gas mixer according to claim 1. 21. The gas mixing system according to claim 20, wherein the number of hollow bars is determined in advance as a function of the number of cylinders of the gas engine, and the number increases with the number of cylinders of the gas engine. 22. The gas mixer according to claim 19, wherein the first, upstream annular space is connected to the mixing space by round holes and the second, downstream annular space is connected to the mixing space by oblong holes.
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이 특허에 인용된 특허 (6)
Dunster Michael (Gerrards Cross FL GB2) Korchnak Joseph D. (Lakeland FL) Marten Jerome H. (Lakeland FL), Gas mixer and distributor for reactor.
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