EP1604731A1 - Mischkopf - Google Patents
Mischkopf Download PDFInfo
- Publication number
- EP1604731A1 EP1604731A1 EP05011802A EP05011802A EP1604731A1 EP 1604731 A1 EP1604731 A1 EP 1604731A1 EP 05011802 A EP05011802 A EP 05011802A EP 05011802 A EP05011802 A EP 05011802A EP 1604731 A1 EP1604731 A1 EP 1604731A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixing head
- head according
- segments
- flow
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/23—Mixing by intersecting jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
- B01F25/31324—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices arranged concentrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
- B01F25/31423—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction with a plurality of perforations in the circumferential direction only and covering the whole circumference
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/435—Mixing tubes composed of concentric tubular members
Definitions
- the invention relates to a mixing head for supplying media to a Mixing room of a mixer.
- Such mixing heads have the primary task in the supply of the Media in the mixing chamber the optimal mixture of components too to reach. This is the mixing heads known by mixing nozzles achieved, over which the media to be mixed are supplied
- the invention is therefore based on the object, a mixing head for Feeding the media to a mixing room as easy to produce train.
- the mixing head of at least two is constructed coaxially to an axis interlocking segments, that the at least two segments at least one distribution channel with an associated elongated outlet for a flow of a first medium and at least one distribution channel with an associated elongated outlet area for a flow of a second medium bounding wall areas and that the elongated outlet area for the first medium and the elongated outlet area for the second medium coaxial with each other and formed circumferentially at least in an angular range of 360 ° about the axis are.
- the advantage of the solution according to the invention is the fact that this one Convenient concept creates that the media over at least two or more elongated outlet areas are supplied, so that the entire Structure of the mixing head can be significantly simplified.
- the distribution channels can be used in the solution according to the invention in a simple way to run so that in these the media streams as subsonic or transonic or supersonic or hypersonic Media streams can be performed
- Such a mixing head can be constructed in a particularly favorable manner by virtue of the fact that the segments extend in the direction of the axis and the distribution channels have wall areas bounded with the outlet areas and with these mesh with each other in the direction of the axis extending wall areas. This makes it possible to easily extend around the axis Outlet areas, in particular more than two such outlet areas to realize.
- At least one outlet region the current of the first medium with a component towards the axis to exit leaves.
- Another possibility provides that the at least one outlet area the Stream of the first medium with a component in the direction of the axis let go away.
- Another possibility provides that the at least one outlet area the Stream of the first medium with a component in the direction of the axis emerge leaves.
- the at least one outlet area the Second medium flow with one component in the direction of the axis to let escape.
- Another possibility provides that the at least one outlet area the Second medium flow with one component in the direction of the axis let go away.
- a further embodiment provides that the at least one Auslledge Scheme the flow of the second medium with a component in Leave direction of the axis.
- a conceivable solution which is particularly advantageous if not immediately following the outlet area following combustion, provides that the flow of the first medium and the flow of the second Medium without crossing each other, so that there is the possibility exists, the mixture only at the greatest possible distance from the outlet areas to enter, especially when chemically with each other Reactive media is important.
- the distribution channels closed around the axis are formed circumferentially and thus at one point of a distribution channel a supply of the respective medium can take place, which then circulates over the closed around the axis Distribute distribution channel particularly cheap.
- the distribution channels substantially to At least 360 ° are formed spirally around the axis circumferentially.
- the outlet regions can be formed. That's how it looks advantageous embodiment, that the outlet areas respectively closed around the axis are formed circumferentially.
- outlet areas in each case by at least approximately 360 ° are formed spirally around the axis.
- a particularly favorable solution provides that cross sections of the outlet areas by a mobility of at least parts of the segments relative are adjustable to each other.
- Such mobility of the segments would be, for example, a relative rotation the same around the axis.
- Another possibility of mobility of the segments for setting the Cross-sectional areas of the outlet areas is a movement of the segments relative to each other in the direction of the axis.
- the segments at least in some areas form deformable, so that thereby also a setting the cross sections of the outlet areas is possible.
- the axis is a central axis of the mixing head is.
- the axis is a central axis of the mixing chamber.
- the axis has an axis of symmetry with the same Symmetry is for each of the outlet areas, so that from the various Outlet areas exiting streams of the first and second medium always occur in the same symmetry and in the same symmetry in the mixing space enter.
- the elongated outlet areas as elongated Slits be formed.
- a particularly advantageous variant provides that the outlet through a media-pervious material region disposed along a path are formed.
- Such a media-permeable material area can be defined by any type of form permeable material for the respective medium.
- the permeable Material range, for example, by a material area with fine Channels, a material area with pores or a material area with any Be formed kind of spaces between the particles.
- the mixing space limiting injector can in the simplest case a be flat surface. It is particularly favorable, however, if the mixing room limiting injector surface is a curved surface.
- the injector surface delimiting the mixing chamber is even more advantageous is a curved surface, especially one seen from the mixing room is concave curved surface.
- the injector surface as a surface having different regions, such as concave, convex, planar or cylindrical areas, which combined in each constellation to form the Injektor configuration can be.
- the injector surface delimiting the mixing chamber is a dome-like curved surface.
- Such a calotte-like vaulted surface allows a particularly favorable conclusion of the Mixing chamber with which advantageously suppresses mixing chamber instabilities to let.
- an advantageous embodiment provides that the distribution channel with the associated outlet region by two successively arranged Segments is limited, that is not provided alone in a segment is, but through the composite successive Segments first formed in the mold.
- Such a structure of the segments allows a particularly simple Manufacturability of the same.
- At least one of the segments is the distribution channel bounded on one side with one of its wall sections.
- a structurally particularly favorable design of the distribution channel provides that the distribution channel is formed in a wall region of one of the segments.
- the outlet areas it is advantageous if at least one of the segments the outlet area on one side with a limited to its wall areas.
- each segment comprises a jacket body and that the segments at least with partial sections their mantle body in the direction of the axis interlock.
- Such a design of the segments allows a particularly simple and cost-effective production and thus a particularly simple and cost-effective design of the mixing head with a particularly simple management of Media to the outlet areas.
- the jacket body does not extend to the injector surface extend and thus the outlet areas at a distance from the Injector lie, so that even before reaching the Injektoramide a Mixing of the media takes place.
- a structurally particularly favorable solution provides that the jacket body extend to an injector surface of the mixing head.
- the jacket body the distribution channel and form the outlet areas limiting wall surfaces.
- the structure of the jacket body depends in particular on the course the outlet areas. So it is particularly advantageous if the sheath body as closed around the axis encircling body are formed.
- Such about the axis rotating body can have any cross-sectional shapes exhibit.
- cross-sectional shapes For example, polygonal, ellipsoidal, star-shaped or all other body shapes that are closed around an axis conceivable.
- a particularly simple form provides that the jacket body to the axis have conically circumferential sections.
- jacket body cylindrical have the axis extending portions, wherein such cylindrical to Axis extending sections not necessarily in cross-section circular cylindrical must be formed, but also elliptical, star-shaped or similar May have cross-sectional shapes.
- sheath body spiral to the axis.
- a mixing head according to the invention can be built up by that the segments are formed differently.
- a particularly advantageous embodiment provides that one for the respective medium dense connection between the segments in one of the outlet region remote sealing region of the segments takes place. This is the possibility created in a particularly simple manner, the Sealing the segments in a thermal and during operation of the mixer Do not mechanically or only slightly loaded area of the segments run to be able to.
- sealing area on the segments in a portion of the segments approximately opposite the outlet area is arranged.
- connection the segments in the sealing area by a sealing element for the respective Medium is dense.
- the segments are in vorteihafter way than for the respective Medium dense structure formed, which extends from the Abdicht Scheme up extends to the outlet, so that only by sealing the Segments relative to each other in the sealing the desired guidance of respective media from the respective distribution channel in the outlet area takes place without further seals are necessary.
- the fixation region is preferably in an outlet region arranged approximately opposite part of the segments.
- fixation area and the sealing area essentially coincide.
- the supply area is close to the sealing area and / or fixing area, so that the possibility exists, the sealing area and / or the fixation area and in particular the entire Segments through the supplied medium in one for the functionality keep the same suitable temperature range, in particular to cool.
- such a flow-determining element distributes the flow substantially uniform over the entire outlet area and otherwise can be with such a flow-determining element and by the flow discharged mass flow at a fixed pressure in the distribution channel define and thus can be with such a flow-determining element also the relative mass flows of the media to each other Define specified pressure in the respective distribution channel.
- a particularly simple form of such a flow-determining element provides that this as a flow cross section for the flow of respective medium reducing element.
- such a flow-determining element is designed such that that it has leading channels to the outlet.
- such a flow-determining element has a flow-permeable structure in the direction of the outlet.
- This structure may for example be porous or made of a material with between particles provided channels or spaces.
- the flow-determining element a Determines flow direction of the current of the respective medium.
- the flow setting member not only serves to set the mass flow itself and as even as possible Set mass flow over the entire outlet, but also still to define the flow direction of the respective medium.
- the flow setting elements extend to the injector surface.
- Such, for the respective medium permeable material for example a porous material or fine channels or spaces between particles having material.
- the flow setting elements itself either from a massive body or even from a porous one Body be formed.
- the distribution channel is relatively long and in terms of its cross-section limited, so over the length of the distribution channel, a pressure drop can occur.
- a flow distribution element is provided, which is capable over the length of the distribution channel compensate occurring pressure drop and thus the flow setting element the respective medium with an over its extent in to provide substantial constant pressure.
- Such a flow-determining element can also be a solid body with holes or channels, which in terms of their cross-section are adaptable to the pressure conditions that it is to balance.
- such a flow-determining element made of a porous material, wherein for compensating a pressure gradient is preferably provided a pore gradient can be.
- Such a structure of the segments creates the possibility of the shape of the Injector surface each determined by machining and thus, the shape of the injector to the conditions of the combustion chamber and to adjust the type of combustion in the mixing room. This can be done in particular be easily influenced on flow instabilities influence.
- the flow setting elements are made of a machinable material, so that the Unit of the segments and the flow setting elements as Whole workable and thus also the entire Injektor configuration through Machining can be easily formed.
- a machinable material can be made from a wide variety of materials Be made of materials. Such materials may be ceramic materials, Metals, foamed materials or mixed materials.
- machinable material is a carbon or oxide fiber composite because carbon or oxide fiber composites are lightweight exhibit, are temperature resistant and can be easily edited.
- the mixing chamber can be completely outside the mixing head.
- the mixing space at least partially extends into the mixing head.
- FIG. 1 illustrated embodiment of an inventive, as a whole with 10 designated mixing head is on a mixing chamber housing 12 attached, and forms with an injector 14 a conclusion a mixing chamber 16, so that from the injector 14 escaping media mix in the mixing chamber 16 and in a direction 18 to a graphically not shown outlet of the mixing chamber 16 out spread.
- the mixing chamber housing 12 for example, a mixing head 10th facing end opening 20, to which in the one on the Opening 20 having end portion 22 of the mixing chamber housing 12 placed Mixing head 10 a reaching into the mixing head 10 and at least a portion of the mixing chamber 16 receiving recess 24 with the dome-like in the mixing head 10 hineinersummenden injector 14th connects, so that in total the mixing chamber 16 both in the mixing chamber housing 12 as well as in the mixing head 10 extends into it. It is also possible, the recess 24 in such a way that this the entire mixing space 16 receives and the mixing chamber housing 12 has only the outlet. In another variant, in extreme cases, even the outlet of Mixing head 10 may be included.
- the mixing head 10 is formed of, for example, four segments 30a, 30b, 30c and 30d and a closure body 32, which by a holding device 34 are held together.
- the segments 30a to 30d and the closure body 32 are coaxial with one another Center axis 36 and engage in the direction of the central axis 36 into each other.
- segments 30a to 30d are identical Formed starting bodies and comprise an outer ring body 40 with a cylindrical to the central axis 36 extending outer ring 42 and a transverse to the central axis 36 extending annular bottom 44, which in a starting from the ring bottom 44 in the direction of the central axis 36 extending Sheath body 46 merges with a conical portion 47 of an integrally formed on the ring bottom 44 foot area 48 with increasing Extension extends in the direction of the central axis 36 and thereby tapers.
- the jacket body 46 lies on a side facing away from the outer ring 42 Side of the ring bottom 44 and extends away from it to the extension of the outer ring 42.
- the jacket body 46 comprises an inner surface facing the central axis 36 50 and one of the central axis 36 facing away from outer surface 52, wherein the Inner surface 50 and the outer surface 52 preferably parallel to each other and tapered to the central axis 36.
- Each of the segments 30a to 30d is identical and coaxial with Center axis 36 is arranged. For this reason, the segments 30a to 30d are joined together in such a way that the various jacket bodies 46a to 46d mesh with the inner surface 50a of the shell body 46a the segment 30a of the outer surface 52b of the sheath body 46b of the next Segments 30b and so on.
- each of the nearest ring body 40, for example, the Ring body 40b, with its underside 56, for example, the bottom 56b, is seated and tightly connected to the end face 54, so that a Sealing portion 55 of the segments 30 is formed.
- Such a tight connection in the area of the end faces 54 and the undersides 56 can be by inserting a seal or attaching Gasket material reach, provided the segments 30 releasably with each other should be connected.
- a tight connection in the sealing area 55 can also be used the mechanically fixed connection of the segments 30 in a fixation area 57, which simultaneously represents the sealing area 55, combine if a joining, that is, for example, a welding, soldering or gluing the segments 30 in the region of the end faces 54 and the lower sides 56th he follows.
- each the segments 30a to 30d with a step 58, for example the step 58b, provided, which at the onset of this segment 30, for example the Segment 30b, in the previous segment 30, for example the Segment 30a, the outer ring 42 in the region of its inside, for example the inside 60a, engages behind and thus to a positive centering the segments 30 leads relative to each other.
- a step 58 for example the step 58b, provided, which at the onset of this segment 30, for example the Segment 30b, in the previous segment 30, for example the Segment 30a, the outer ring 42 in the region of its inside, for example the inside 60a, engages behind and thus to a positive centering the segments 30 leads relative to each other.
- Each of the annular body 40 is limited to the outer ring 42 and the ring bottom 44 a distribution channel 62, which in a direction perpendicular to the central axis 36 Level 64 lying closed and which circulates a feed area 65, which via a supply port 66, a medium or Oxidator can be supplied.
- the distribution channel 62 open on a side facing away from the jacket body 46 and is at two successive segments 30 through the annular bottom 44 of the next Segments 30 on one's own ring bottom 44 opposite Side closed.
- the distribution channel 62 is on its radial to the central axis 36 extending outside through the outer ring 42nd enclosed and bounded and on its inside by the shell body 46, for example, the sheath body 46b of the next segment limited.
- a supplied via the supply port 66 in the medium Distribute distribution channel 62 around the central axis 36 circumferentially, from the Distribution channel 62 only escape through a gap 74, through it guided between the inner surface 50 of the respective to the segment 30, for example, the segment 30a belonging sheath body 46, for example of the sheath body 46a, and the outer surface 52 of the sheath body 46, for example, the sheath body 46b, the next segment 30, for example of the segment 30b, with a component in the direction of the central axis 36 of the mixing chamber 16 flows, in which case, as shown in Fig. 1, the medium from an outlet region 70 in the form of a stream 72, in Direction of the central axis 36 flows into the mixing chamber 16 flows.
- the outlet region 70 preferably extends closed around circumferentially about the central axis 36 and lies in the injector 14, which delimits the mixing chamber 16 so that a central axis 36 enclosing Power 72 is created.
- the next Segments 30 a flow setting element 80 is inserted, which is from the gap 74 delimiting inner surface 50 to this Gap 74 also delimiting outer surface 52 extends and out porous material or made of dense material with Duchlrawkanälen, that, as shown in Fig. 2, when assembling the segments 30 a to 30d between two consecutive sheath bodies 46, for example the sheath bodies 46a and 46b are used.
- the Flow setting element 80 is still a mechanical support of Sheath body 46 relative to each other near the outlet regions 70th
- the flow setting member 80 is formed so that it respectively on the inside 30 and the outside surface 52 of the successive ones Sheath body 46 abuts and arranged so that an end face 82 thereof in the outlet and thus also in the Injektor configuration 14, wherein in training the flow-determining element 80 of a porous material in the end face 82 are pores, from which then the respective medium in shape of the stream 72 exits.
- the end face 82 of the flow-determining element 80 thus extends around the central axis 36 around and lies substantially completely in the Injector surface 14, wherein on both sides of the end face 82 of the flow-determining element 80 end faces 84, for example, the end faces 84 a of first segment 30a and 84b of the second segment 30b also in the Injector 14 and thus limit the end faces 84a and 84b of Sheath body 46a and 46b of the segments 30a and 30b, the outlet region 70th on both sides.
- the flow-setting element 80 located in the intermediate space 74 has doing the task that the distribution channel 62 around the central axis 36 distributing medium with a predetermined mass flow around the Leave center axis 36 to emerge, so that substantially in each section the outlet region 70 associated with this distribution channel 62 is approximately the same predetermined mass flow of the respective medium in the distribution channel 62 emerges, so that a total of each of the outlet areas 70 around the Central axis 36 approximately identical and with respect to the entrained mass per Time unit determinable flows 72 in the direction of the central axis 36 out escape.
- the flow setting member 80 thus provides a ring in this case the central axis 36 extending throttling of the available Flow cross section is.
- the current exiting the outlet area 70a represents a current 72a
- its mass flow through the porosity or permeability of the flow setting element 80 is set.
- the two currents namely the current 72a and the current 72b, thus occur side by side from the injector 14, mix and mix in the Mixing room 16.
- the distribution channel 62 c, the one medium and the Distributing channel 62 d supply the other medium, so that from the outlet areas 70c and 70d also a stream 72c and a stream 72d emerge, and mix in the mixing chamber 16 with each other.
- outlet regions 70a, 70b, 70c and 70d are located around the central axis 36
- the currents 72a and 72c and the currents 72b and 72d extend around it also around the central axis 36 circumferentially from the injector 14 from and all mix together, so that in the mixing chamber16 the mixing can be done.
- the segments 30a to 30d will flow through them Media tempered, depending on the medium used Reheating or cooling of the segments 30a to 30d done by the media can.
- the construction of the mixing head 10 takes place Nesting identical trained segments 30a to 30d with the between these lying flow setting elements 80a to 80d and subsequent shaping processing the same, for example by a machining operation, which causes the Sheath body 46a to 46d and the flow setting elements 80a to 80d eroded different degrees in the region of their end faces 84 and 82 be, so that in total then the recess 24 with the for the Injektor the 14 and optionally located in the mixing head 10 part of the mixing chamber 16 desired shape can be generated.
- the end plate 94 is located on the end face 54d of the outer ring 42d and covers its distribution channel 62d on a ring bottom 44d opposite Page. Furthermore, the closure body 32 is also still limited an outer surface 98 of its conical portion 100, the distribution channel 62 d and is with this also on the flow-determining element 80d, so that this between the outer surface 98 of the conical portion 100 of End body 32 and the inner surface 50d of the sheath body 46d is located.
- the closure body 32 extends with its conical portion 100 further to the injector 14 and forms with an end face 102 a inner area of the injector 14. Further, the closure body 32 is still provided with a central aperture 104 through which an injector 106 in this can be inserted to the injector 14 to the streams 72a and 72c exiting the injector surface 14 and streams 72b and 72d in the mixing chamber 16 still with a catalyst or another To displace the mixture component.
- the segments 30a to 30d and also the closure body 32 preferably made of a temperature-resistant material, for example, metal or ceramic or a material containing fibers manufactured, however, for the respective media substantially gas-tight is trained.
- a temperature-resistant fibers for example carbon fibers
- comprehensive material for the segments 30 and the closure body 32 is, for example, in the Research Report 2001-17 Deutsches Zentrum Aerospace e.V., entitled “Fiber Ceramics for Hot Structures of reentry vehicles simulation, test and comparison with experimental flight data ", author: Hermann Hald, Institute for Structural and Design Research, ISSN 1434-8454.
- the sheath body 46 of the segments 30 heat exchange and thus a Heat balance between in the adjacent spaces 74th guided media or heat exchange between the in prevent neighboring spaces from being kept in the media.
- the material for making the segments 30 and the closure body 32 preferably also a thermal expansion neutral material at thermal gradients and thermal cycling the geometric relationships and the tightness between the individual parts to be able to maintain.
- the flow setting elements 80a to 80d are also made a temperature-resistant media-permeable, for example, porous material produced.
- the porous materials are preferably at least with the materials of Segments 30 heat expansion compatible, so that no thermal Problems with temperature gradients or thermal cycling occur.
- the materials used are braids or felts of fiber materials, Metal oxides, foamed materials or ceramics, such as sintered ceramics or sintered metals, suitable.
- a carbon fibers and carbon containing use porous material or similarly structured oxidic materials.
- Such suitable materials are fiber ceramics of C / C, C / SiC, SiC / SiC or Al 2 O 3
- a mixing head 10 2 shown in Figs. 5 and 6, those elements which are identical to those of the first embodiment, but with the same reference numerals are provided with index 2, so that with respect to the description of these elements in full Embodiments of the first embodiment can be made reference.
- the segments 30a 2 to 30f 2 are not formed identically, but have a different shape, but each of these segments 30a 2 to 30f 2 has a ring body 40 2 , from which starting the shell body 46 2 with the conical section 47 2 extends in the direction of the central axis 36. 2
- the conical sections 47 2 of the jacket bodies 46 2 do not run parallel to one another, but at least partially antiparallel to each other.
- the flow setting elements 80 2 are adapted, each in the same manner as in the first embodiment between the conical sections 47 2 of the shell body 46 2 2 successive segments 30 2 lie.
- the ring body 40 2 are formed such that they not only the ring bottom 44 2 and the outer ring 42 2 , but a ring bottom 44 2 opposite and integrally formed on the outer ring 42 2 annular flange 114, on then the next following ring body 42 2 rests.
- the distribution channels are thus 62 2 is not the next succeeding annular body 40 2 and the next following casing body 46 2 to open, but only in the direction of the next casing body 46 2, which cooperates with the casing body 46 2 of the respective segment 30 2 to Interspace 74 2 to form, through which the one medium or the other medium in the direction of the respective outlet region 70 2 flow.
- a flow distributor 116 is provided between the distribution channel 62 2 and the respective flow setting element 80 2 , which serves to optimize the distribution of the distribution channel 62 2 supplied medium via this distribution channel 62 2 , to a substantially uniform distribution of the medium to reach around the central axis 36 before the medium enters the flow setting element 80 2 .
- the flow distributor 116 also serves to pre-flow set before the flow setting element.
- sealing body 32 is formed to 2 in the second embodiment that this the last segment 30f 2 also overlaps with the integrally formed closure plate 94 rests on its annular flange 2 and 114f.
- the holding means 34 2 in the second embodiment an outer shell 118 and a held on the outer casing 118 lower support ring 120 on which the first segment 30a 2 rests with the annular bottom 44a 2, wherein the outer casing 118 to the support ring by a clamping connection 122 is connected tensile strength.
- a pressure ring 124 of the holding device 34 2 is provided, with which the closure body 32 is acted upon, which in turn acts on the annular flange 114f of the last segment 30f 2 .
- the pressure ring 124 is fixedly connected to the outer shell 118 by a clamping connection 126.
- a mixing head 10 3 of the invention only schematized shown in Fig. 7, the segments 30a 3 and 30b 3 and the closure body 32 3 is arranged so that from the discharge zones 70a 3 and 70b 3 exiting streams 72a 3 and 72b 3 in the direction of the central axis 36 are directed away and thus spread in the direction of an outer wall 130 of the mixing chamber 16, so that the mixing of the media takes place near the outer wall 130 of the mixing chamber 16.
- the segments 30a 3 and 30b 3 are formed only by the conical portions 47a 3 and 47b 3 of the sheath bodies 46a 3 and 46b 3 .
- the associated annular body 40 are not shown here, since only the illustration of the supply of media to the mixing chamber to be displayed.
- the annular body 40 are formed, for example, similar to the first embodiment and close to the foot portions 48 at.
- a fourth embodiment shown in Fig. 8 is based on the concept of the third embodiment, wherein the segments 30a 4 and 30b 4 have not only the conical portions 47a 4 and 47b 4 of the sheath bodies 46a 4 and 46b 4 , but subsequent thereto extending cylindrical portions 136a and 136b of the sheath bodies 46a 4 and 46b 4 .
- the streams 72 a 4 and 72 b 4 are directed away from the central axis 36 in the direction of the outer wall 130 of the mixing space 16.
- the segments 30a 4 and 30b 4 are interconnected in the region of their cylindrical portions 136a and 136b.
- the segments 30a 4 and 30b 4 are connected via the holding device 34 4 with the closure body 32 4 , wherein the holding means 34 4, for example, on the segment 30a 4 engages and on the closure body 32 4 and the segment 30b 4 on the one hand via the end flange 139 against the segment 30a 4 is fixed, and is fixed on the end flange 139b at the terminal body 32. 4
- Fig. 10 find different trained segments 30 use.
- the segments 30a 6 and 30b 6 are formed to generate streams 72a 6 and 72b 6 which flow toward the central axis 36, while further segments 30d 6 and 30e 6 are designed in principle to provide streams 72d 6 and 72e 6 directed away from the central axis 36 so that the currents 72a 6 and 72b 6 as well as the currents 72d 6 and 72e 6 intersect.
- the streams 72a 6 and 72b 6 carry one medium and the streams 72d e and 72e 6 the other medium.
- the segments 30d 6, 30e 6 and the sealing body 32 6 in the same manner are connected to each other, as for example in connection with the fourth embodiment of FIG. 8 illustrates, while the segments 30a 6 30b 6 and 30c 6 are connected together in a manner which, for example, corresponds to the manner set forth in connection with the first embodiment.
- a seventh exemplary embodiment illustrated in FIG. 11, it is likewise possible to generate intersecting streams of media, namely on the one hand the streams 72a 7 and 72b 7 and on the other hand 72c 7 and 72d 7 .
- the segments 30a 8, provided with disc-shaped portions 142a, 142b and 142c 30b 8 and 30c 8, which outlet portions comprise 70a 8 and 70b 8, with respect to 36 8 directed to the central axis radially outwardly are so that also the exiting streams 72a 8 and 72b 8 spread substantially in the radial direction transverse to the central axis 36 8 .
- the eighth embodiment corresponds to the arrangement of the cylindrical portions 140a 8 , 140b 8 and 140c 8 in principle the fourth embodiment of FIG. 8, but with the difference that take the place of the conical portions 47, the disc-shaped portions 142 and thus the exiting flows 72a 8 and 72b 8 are substantially radial to the central axis 36 8 .
- cylindrical portions 140 a 8 to 140 c 8 are connected to each other in the same manner, as has been explained for example in connection with the fourth embodiment.
- a ninth embodiment shown in Fig. 13, based on the basic principle in the fourth embodiment, with the difference that now the exiting streams 72 9 have an angle with the central axis 36 9 , which is smaller than 90 ° (Fig. 13) ,
- cylindrical portions 140a 9 and 140b 9 are connected to each other in a similar manner as explained in connection with the fourth embodiment.
- the segments 30a 10 and 30b 10 serve to generate streams 72a 10 and 72b 10 , which are directed approximately parallel to the central axis 36 10 and thus approximately parallel to the outer wall 130 10 enter the mixing chamber 16 10 .
- Fig. 15 corresponds to the constructive Construction of the mixing head according to the first embodiment, shown in Fig. 1 to 4.
- the flow-setting member 80 11 is formed of fibrous material, the orientation of the fibers being defined by sheets 143 of sheet material made of such fibers.
- the layers 143 of the sheet extend in the eleventh embodiment, for example, parallel to an outer side 144 and an inner side 146 of the flow setting member 80 11 and around the central axis 36 11 , wherein in the layers 143 of the sheet material in the simplest case are approximately perpendicular to each other, that is in that the first fibers are circumferentially aligned about the central axis 36 11 with a first orientation direction 152 and the second fibers extend with a second orientation direction 154 in a plane group passing through the central axis 36 11 and at an angle to the central axis 36 11 .
- a twelfth embodiment shown in Fig. 16 is also based on the constructive concept of the first embodiment of FIG. 1 to 4.
- the individual layers 143 'of the fibrous material sheet are oriented so that they are parallel to planes passing through the central axis 36 12 and thus extend in an approximately radial direction to the central axis 36 12 .
- the fibers in the first direction 152 ' run transversely to the outside 144 and the inner side 146 and in the second direction 154 'at an angle to the central axis 36 or parallel to the central axis.
- the twelfth embodiment can be preferably made of individual in one Circumferentially 148 successive sectors 150 produce which be machined from a plate material, wherein the layers 143 ' approximately parallel to plate surfaces.
- the layers 143 "of the fiber material sheet extend in perpendicular to the central axis 36 13 directed planes, so that the fibers in both the first direction 152 "and the second direction 154" are each aligned transversely to the central axis 36 13 .
- the production of the segments 30 from raw bodies with tissues, UD-layers, Rovings or semi-finished products produced by suitable binders, for example Resins are glued together.
- the segments 30a 14 and 30b 14 are constructed entirely of a porous body 160, which, however, on one side, for example, the outer surface 52 14 forming side 162, is compressed so that it the respective medium is impermeable.
- the tightness can also be ensured by a coating.
- the impermeable side 162 extends in each case along the jacket body 46 14 and also on an outer side of the annular body 40 14 to the end face 54 14 of the same, so that when assembling the segments 30 14, the respective medium can be out tightly sealed.
- distribution channels 62a 14 and 62b 14 are still separated from each other since the next porous body 160, again at its side 162, is impermeable to the respective medium.
- the flow-determining element 80 15 is formed as a solid or porous body, are passed through the holes 164 through which the respective medium can pass, the bores 164 to a cross-section reduction and, to compensate for Lead flow and allow a specification of the exiting mass flow.
- the flow setting members 80 15 are insertable between the segments 30 in the same manner as in the first embodiment.
- the flow setting member 80 16 is formed to have milled-in channels 168 on one side thereof in a solid or porous body thereof, which are open on one side and covered by a next-following segment 30.
- the bores 164 or channels 168 according to the thirteenth or fourteenth Embodiment not only have the advantage that is characterized by the cross section allows the passing mass flow to be set in a simple manner, but also the advantage that the flow direction of the exiting Stream 72 is better set.
- the segments 30a 17 and 30b 17 are formed in the same manner as in the second embodiment.
- the outer rings 42a 17 and 42b 17 are formed of elastic material, so that the possibility exists by means of an adjusting device 170, which acts for example on the shell body 46a 17 , the shell body 46a 17 to move in the direction of the central axis 36 17th and, for example, thereby to move in the direction of the sheath body 46b 17 , so that a cross-sectional area of the outlet areas 70a 17 and 17b 17 is variably adjustable and thus the mass flow exiting therefrom is adjustable.
- the outer rings 42a 17 and 42b 17 of a bellows which may be made of metal, and thus in the direction of the central axis 36 17 slidably.
- outer rings 42a 17 and 42b, 17 is connected by a joint connection in the fixing portion 57 to each other 17, said fixing portion 57 17 simultaneously 55 17 illustrating the sealing region between the two segments 30a and 30b 17 17th
- outer rings 42a 18 and 42b 18 are formed in the same way.
- annular seal 172 in the eighteenth embodiment in the sealing region 55 18 which 30a 18 and 30b, 18 against each other to seal the segments, the segments 30a 18 and 30b, 18, for example clamped to one another by an unillustrated external retaining means 34, to obtain the necessary surface pressure around area of the ring seal 172.
- the distance between adjacent shell bodies, for example, the shell bodies 46a 19 and 46b 19 vary in that one of the shell body, for example, the shell body 46b 19 relative to the shell body 46a 19 in the direction of Central axis 36 19 is displaceable, so that a distance A between the sheath bodies 46a 19 and 46b 19 can be reduced to a distance A ', provided that the sheath body 46b 19 from its in Fig. 20 shown in solid position further in the direction of the central axis 36 19 in the sheath body 46a 19 is pushed in and thus the distance A is reduced to the distance A ', so that thereby the flow cross-section and thus the mass flow is adjustable.
- a sealing bellows 180 is provided between them, which allows the relative displacement of the shell body 46b 19 to the shell body 46a 19 and yet the gap 74a 19 between the two shell bodies 46a 19 and 46b 19 completes.
- the segments in a twentieth embodiment shown in Fig. 24 are preferably contiguous segments, 30a 20 and 30b, 20, rigidly connected together and lying between these distribution channel 62a 20 is closed by a radially outer wall 180, which is also the segments 30a 20 and 30b 20 rigidly interconnects.
- the distribution channel 62b 20, 30b between the segments 20 and 30c 20 to a distribution chamber 182 open, through which the supply of the medium is effected in these.
- the segments 30c 20 and 30d 20 are rigidly connected to each other, so that the distribution space 62c 20 is also completed to the outside, while a partial channel 62 20 between the segment 30d 20 and the closure body 32 20 to the distribution chamber 182 is open.
- the distribution channels 62 b and 62 d via the distribution chamber 182 also serving as a reservoir, while in the distribution channels 62a 20 and 62c 20 via a separate line 184, the medium is to be supplied, the line 184, for example, from a On one of the injector 14 20 opposite side feed chamber 186 goes out.
- the line 184 flexible, there is in this embodiment, the possibility to move the segments interconnected 30a 20 and 30b, 20 relative to the segments 30c 20 and 30d 20 which are in turn connected firmly to one another and thus a Cross section of the outlet portions 70d 20 and 70b 20 to vary, while the outlet cross sections 70a 20 and 70c 20 are invariable in this case.
- the two segments 30a 21 and 30b 21 are formed as helical bodies which engage with each other, wherein in each of the segments 30a 21 and 30b 21 a distribution channel 62a 21 or 62b 21 is provided, which also runs in the spiral-shaped body.
- the two segments 30a 21 and 30b, 21 forming a spiral-shaped body are greater than or spirally wound about the central axis 36 21 equal to 360 ° wherein a flow setting member in each of the segments 30a 21 and 30b 21 from the respective distribution channel 62a 21, 62b 21 80a 21 and 80b 21 leads to an outlet 21 or 70a 70b 21 which Mischraum16 the facing 21 so that the exiting streams 72a and 21 72b 21 enter the Mischraum16 21 and shown there in known manner, a mixing.
- the segments 30 21 are formed in multiple layers in the twenty-first embodiment, so that 21 respectively, a jacket body 'and 21 46b 21 and 46b' is on both sides of the flow setting member 80 46a 21 and 46a 21 are formed, which provides a gas-tight seal to the through the medium supplied to the respective distribution channel 62 to the outlet regions 70 21 to lead.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Accessories For Mixers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch ein Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 2
- eine Darstellung von Ausgangskörpern für in dem erfindungsgemäßen Mischkopf gemäß Fig. 1 eingesetzte Segmente mit Strömungsfestlegungselementen zwischen diesen Segmenten;
- Fig. 3
- eine Darstellung ähnlich Fig. 1 der in Fig. 2 dargestellten zusammengesetzten und mechanisch zur Bildung einer Injektorfläche bearbeiteten Segmente längs Linie 3-3 in Fig. 4;
- Fig. 4
- eine Draufsicht in Richtung des Pfeils X in Fig. 4;
- Fig. 5
- einen Schnitt ähnlich Fig. 1 durch ein zweites Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 6
- einen Schnitt längs Linie 6-6 in Fig. 5;
- Fig. 7
- eine schematische Darstellung eines dritten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 8
- eine schematische Darstellung eines vierten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 9
- eine schematische Darstellung eines fünften Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 10
- eine schematische Darstellung eines sechsten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 11
- eine schematische Darstellung eines siebten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 12
- eine schematische Darstellung eines achten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 13
- eine schematische Darstellung eines neunten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 14
- eine schematische Darstellung eines zehnten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 15
- eine ausschnittsweise Darstellung eines Strömungsfestlegungselements bei einem elften Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 16
- eine schematische Darstellung eines Strömungsfestlegungselements bei einem zwölften Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 17
- eine schematische Darstellung eines Strömungsfestlegungselements bei einem dreizehnten Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 18
- eine ausschnittsweise Darstellung zweier Segmente mit integriertem Strömungsfestlegungselement bei einem vierzehnten Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 19
- eine schematische Darstellung eines Strömungsfestlegungselements bei einem fünfzehnten Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 20
- eine schematische Darstellung eines Strömungsfestlegungselements bei einem sechzehnten Ausführungsbeispiel eines erfindungsgemäßen Mischkopfes;
- Fig. 21
- eine schematische Darstellung zweier Segmente eines siebzehnten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 22
- eine schematische Darstellung eines achtzehnten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 23
- eine schematische Darstellung zweier Segmente eines neunzehnten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes;
- Fig. 24
- eine schematische Darstellung eines zwanzigsten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes und
- Fig. 25
- eine perspektivische schematische Darstellung eines einundzwanzigsten Ausführungsbeispiels eines erfindungsgemäßen Mischkopfes.
Claims (68)
- Mischkopf (10) zur Zuführung von Medien zu einem Mischraum (16) eines Mischers,
dadurch gekennzeichnet, daß der Mischkopf (10) aus mindestens zwei koaxial zu einer Achse (36) ineinandergreifenden Segmenten (30) aufgebaut ist, daß die mindestens zwei Segmente (30) mindestens einen Verteilkanal (62) mit einem zugeordneten langgezogenen Auslaßbereich (70) für einen Strom (72) eines ersten Mediums und mindestens einen Verteilkanal (62) mit einem zugeordneten langgezogenen Auslaßbereich (70) für einen Strom (72) eines zweiten Mediums begrenzende Wandbereiche aufweisen und daß der langgezogene Auslaßbereich (70) für das erste Medium und der langgezogene Auslaßbereich (70) für das zweite Medium koaxial zueinander und mindestens in einem Winkelbereich von 360° um die Achse (36) umlaufend ausgebildet sind. - Mischkopf nach Anspruch 1, dadurch gekennzeichnet, daß die Segmente (30) sich in Richtung der Achse (36) erstreckende und die Verteilkanäle (62) mit den Auslaßbereichen (70) begrenzende Wandbereiche (46) aufweisen und mit diesen sich in Richtung der Achse (36) erstreckenden Wandbereichen (46) ineinandergreifen.
- Mischkopf nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Segmente (30) sich quer zu der Richtung der Achse (36) erstreckende und die Verteilkanäle (62) mit den Auslaßbereichen (70) begrenzende Wandbereiche aufweisen.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des ersten Mediums mit einer Komponente in Richtung auf die Achse (36) zu austreten läßt.
- Mischkopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des ersten Mediums mit einer Komponente in Richtung von der Achse (36) weg austreten läßt.
- Mischkopf nach einem Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des ersten Mediums mit einer Komponente in Richtung der Achse (36) austreten läßt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des zweiten Mediums mit einer Komponente in Richtung auf die Achse (36) zu austreten läßt.
- Mischkopf nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des zweiten Mediums mit einer Komponente in Richtung von der Achse (36) weg austreten läßt.
- Mischkopf nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der mindestens eine Auslaßbereich (70) den Strom (72) des zweiten Mediums mit einer Komponente in Richtung der Achse (36) austreten läßt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der Strom (72) des ersten Mediums und der Strom (72) des zweiten Mediums kreuzungsfrei zueinander verlaufen.
- Mischkopf nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Strom (72) des ersten Mediums und der Strom (72) des zweiten Mediums kreuzend zueinander verlaufen.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Verteilkanäle (62) jeweils geschlossen um die Achse (36) umlaufend ausgebildet sind.
- Mischkopf nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Verteilkanäle (62) im wesentlichen um mindestens ungefähr 360° spiralförmig um die Achse (36) umlaufend ausgebildet sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßbereiche (70) jeweils geschlossen um die Achse (36) umlaufend ausgebildet sind.
- Mischkopf nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Auslaßbereiche (70) jeweils um mindestens ungefähr 360° spiralförmig um die Achse (36) umlaufend ausgebildet sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Achse (36) eine Mittelachse des Mischkopfes (10) ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßbereiche (70) hinsichtlich ihres Strömungsquerschnitts durch Bewegen der Segmente (30) relativ zueinander einstellbar sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Achse (36) eine Mittelachse des Mischraums (16) ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Achse (36) eine Symmetrieachse mit derselben Symmetrie für jeden der Auslaßbereiche (70) ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die langgezogenen Auslaßbereiche (70) durch eine Vielzahl von längs einer Bahn angeordneten Auslaßöffnungen gebildet sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßbereiche (70) durch einen längs einer Bahn angeordneten durchlässigen Materialbereich gebildet sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßbereiche (70) nahe an einer einen Mischraum (16) begrenzenden Fläche (14) liegen.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßbereiche (70) in einer den Mischraum (16) begrenzenden Injektorfläche (14) liegen.
- Mischkopf nach Anspruch 23 dadurch gekennzeichnet, daß die den Mischraum(16) begrenzende Injektorfläche (14) eine gekrümmte Fläche ist.
- Mischkopf nach Anspruch 24, dadurch gekennzeichnet, daß die den Mischraum(16) begrenzende Injektorfläche (14) eine gewölbte Fläche ist.
- Mischkopf nach Anspruch 25, dadurch gekennzeichnet, daß die den Mischraum(16) begrenzende Injektorfläche (14) eine kalottenähnlich gewölbte Fläche ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der Verteilkanal (62) mit dem zugeordneten Auslaßbereich (70) durch zwei aufeinanderfolgend angeordnete Segmente (30) begrenzt ist.
- Mischkopf nach Anspruch 27, dadurch gekennzeichnet, daß mindestens eines der Segmente (30) den Verteilkanal (62) auf einer Seite mit einem seiner Wandbereiche begrenzt.
- Mischkopf nach Anspruch 28, dadurch gekennzeichnet, daß das dem mindestens einen Segment (30) nächstliegende Segment (30) den Verteilkanal (62) mit einem seiner Wandbereiche begrenzt.
- Mischkopf nach einem der Ansprüche 27 bis 29, dadurch gekennzeichnet, daß der Verteilkanal (62) in einen Wandbereich eines der Segmente (30) eingeformt ist.
- Mischkopf nach einem der Ansprüche 27 bis 30, dadurch gekennzeichnet, daß mindestens eines der Segmente (30) den Auslaßbereich (70) auf einer Seite mit einem seiner Wandbereiche begrenzt.
- Mischkopf nach Anspruch 31, dadurch gekennzeichnet, daß das dem mindestens einen Segment (30) nächstliegende Segment (30) den Auslaßbereich (70) mit einem seiner Wandbereiche begrenzt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß jedes Segment (30) einen Mantelkörper (46) umfaßt und daß die Segmente (30) zumindest mit Teilabschnitten (47, 140) ihrer Mantelkörper (46) in Richtung der Achse (36) ineinandergreifen.
- Mischkopf nach Anspruch 33, dadurch gekennzeichnet, daß die Mantelkörper (46) sich bis zu einer Injektorfläche (14) des Mischkopfes (10) erstrecken.
- Mischkopf nach Anspruch 33 oder 34, dadurch gekennzeichnet, daß die Mantelkörper (46) den Verteilkanal (62) und die Auslaßbereiche (70) begrenzende Wandflächen bilden.
- Mischkopf nach einem der Ansprüche 33 bis 35, dadurch gekennzeichnet, daß die Mantelkörper (46) als geschlossen um die Achse (36) umlaufende Körper ausgebildet sind.
- Mischkopf nach einem der Ansprüche 33 bis 36, dadurch gekennzeichnet, daß die Mantelkörper (46) zur Achse (36) konisch verlaufene Abschnitte (47) aufweisen.
- Mischkopf nach einem der Ansprüche 33 bis 36, dadurch gekennzeichnet, daß die Mantelkörper (46) zylindrisch zur Achse (36) verlaufende Abschnitte (140) aufweisen.
- Mischkopf nach einem der Ansprüche 33 bis 35, dadurch gekennzeichnet, daß die Mantelkörper (46) spiralförmig zur Achse (36) verlaufen.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Segmente (30) aus identischen Ausgangskörpern hergestellt sind.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß eine für das jeweilige Medium dichte Verbindung zwischen den Segmenten (30) in einem von dem Auslaßbereich (70) entfernt liegenden Abdichtbereich (55) der Segmente (30) erfolgt.
- Mischkopf nach Anspruch 41, dadurch gekennzeichnet, daß der Abdichtbereich (55) der Segmente in einem dem Auslaßbereich (70) ungefähr gegenüberliegenden Teil der Segmente (30) angeordnet ist.
- Mischkopf nach Anspruch 41 oder 42, dadurch gekennzeichnet, daß die Verbindung der Segmente (30) im Abdichtbereich (55) durch Fügen erfolgt.
- Mischkopf nach Anspruch 41 oder 42, dadurch gekennzeichnet, daß die Verbindung der Segmente (30) im Abdichtbereich (55) durch ein Abdichtelement für das jeweilige Medium dicht ausgebildet ist.
- Mischkopf nach einem der Ansprüche 41 bis 44, dadurch gekennzeichnet, daß sich das jeweilige Segment (30) als für das jeweilige Medium dichtes Gebilde von dem Abdichtbereich (55) bis zu dem Auslaßbereich (70) erstreckt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß eine mechanische Fixierung der Segmente (30) relativ zueinander in einem von dem Auslaßbereich (70) entfernt liegenden Fixierungsbereich (57) der Segmente erfolgt.
- Mischkopf nach Anspruch 46, dadurch gekennzeichnet, daß der Fixierungsbereich (57) der Segmente (30) in einem dem Auslaßbereich (70) gegenüberliegenden Teil der Segmente (30) angeordnet ist.
- Mischkopf nach einem der Ansprüche 41 bis 47, dadurch gekennzeichnet, daß der Fixierungsbereich (57) und der Abdichtbereich (55) im wesentlichen zusammenfallen.
- Mischkopf nach Anspruch 48, dadurch gekennzeichnet, daß eine Zufuhr des jeweiligen Mediums in einem vom Auslaßbereich (70) entfernt liegenden Zufuhrbereich (65) des Verteilkanals (62) erfolgt.
- Mischkopf nach Anspruch 49, dadurch gekennzeichnet, daß der Zufuhrbereich (65) nahe dem Abdichtbereich (55) und/oder dem Fixierungsbereich (57) liegt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Verteilkanal (62) und dem Auslaßbereich (70) ein Strömungsfestlegungselement (80) angeordnet ist.
- Mischkopf nach Anspruch 51, dadurch gekennzeichnet, daß das Strömungsfestlegungselement (80) als ein einen Strömungsquerschnitt für den Strom des jeweiligen Mediums reduzierendes Element ist.
- Mischkopf nach Anspruch 52, dadurch gekennzeichnet, daß das Strömungsfestlegungselement (80) zum Auslaßbereich (70) führende Kanäle (164, 168) aufweist.
- Mischkopf nach Anspruch 52, dadurch gekennzeichnet, daß das Strömungsfestlegungselement (80) eine in Richtung des Auslaßbereichs (70) strömungsdurchlässige poröse Struktur aufweist.
- Mischkopf nach einem der Ansprüche 51 bis 54, dadurch gekennzeichnet, daß die Strömungsfestlegungselemente (80) eine Strömungsrichtung des Stroms (72) des jeweiligen Mediums festlegen.
- Mischkopf nach einem der Ansprüche 51 bis 55, dadurch gekennzeichnet, daß die Strömungsfestlegungselemente (80) zwischen zwei aufeinanderfolgenden Mantelkörpern (46) angeordnet sind.
- Mischkopf nach Anspruch 56, dadurch gekennzeichnet, daß die Strömungsfestlegungselemente (80) sich bis zu des Injektorfläche (14) erstrecken.
- Mischkopf nach einem der Ansprüche 51 bis 57, dadurch gekennzeichnet, daß die Strömungsfestlegungselemente (80) aus einem für das jeweilige Medium durchlässigen Material hergestellt sind.
- Mischkopf nach einem der Ansprüche 51 bis 57, dadurch gekennzeichnet, daß die Strömungsfestlegungselemente (80) Durchbrüche (164, 168) aufweisen.
- Mischkopf nach einem der Ansprüche, dadurch gekennzeichnet, daß das jeweilige Strömungsfestlegungselement (80) sich mindestens an einem der Mantelkörper (46) abstützt.
- Mischkopf nach einem der Ansprüche, dadurch gekennzeichnet, daß das jeweilige Strömungsfestlegungselement (80) sich auf gegenüberliegenden Seiten jeweils an einem der an dieses angrenzenden Mantelkörper (46) abstützt.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Verteilkanal (62) und dem Strömungsfestlegungselement (80) ein Strömungsverteilelement (116) vorgesehen ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Segmente (30) in ihren an die Auslaßbereiche (70) angrenzenden Abschnitten aus einem spanabhebend bearbeitbaren Material sind.
- Mischkopf nach einem der Ansprüche 51 bis 63, dadurch gekennzeichnet, daß die Strömungsfestlegungselement (80) aus einem spanabhebend bearbeitbaren Material hergestellt sind.
- Mischkopf nach Anspruch 63 oder 64, dadurch gekennzeichnet, daß das spanabhebend bearbeitbare Material mit der bei der Bearbeitung entstehenden Oberfläche (82, 84) den Mischraum (16) begrenzt.
- Mischkopf nach Anspruch 65, dadurch gekennzeichnet, daß das spanabhebend bearbeitbare Material ein Kohlenstoff- oder Oxidfaserverbundkörper ist.
- Mischkopf nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß sich der Mischraum (16) zumindest teilweise in den Mischkopf (10) hinein erstreckt.
- Mischkopf nach Anspruch 67, dadurch gekennzeichnet, daß sich der Mischraum (16) in eine in den Mischkopf (10) eingeformte Ausnehmung (24) hinein erstreckt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004029028 | 2004-06-09 | ||
DE102004029028A DE102004029028A1 (de) | 2004-06-09 | 2004-06-09 | Mischkopf |
Publications (2)
Publication Number | Publication Date |
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EP1604731A1 true EP1604731A1 (de) | 2005-12-14 |
EP1604731B1 EP1604731B1 (de) | 2008-01-02 |
Family
ID=34937128
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05011802A Not-in-force EP1604731B1 (de) | 2004-06-09 | 2005-06-01 | Mischer umfassend einen Mischkopf zur Zuführung von Medien zu dem Mischraum des Mischers. |
Country Status (3)
Country | Link |
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EP (1) | EP1604731B1 (de) |
AT (1) | ATE382421T1 (de) |
DE (2) | DE102004029028A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147522A1 (de) | 2006-06-20 | 2007-12-27 | DEUTSCHES ZENTRUM FüR LUFT-UND RAUMFAHRT E.V. | Einblaskopf, mischungsraum und triebwerk |
DE102011000383A1 (de) | 2011-01-28 | 2012-08-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Triebwerkvorrichtung und Verfahren zum Betreiben einer Triebwerkvorrichtung |
CN103657491A (zh) * | 2013-12-04 | 2014-03-26 | 上海森松混合技术工程装备有限公司 | 一种鼠笼式超重力混合器 |
DE102013105345A1 (de) | 2013-05-24 | 2014-11-27 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schubkammervorrichtung und Verfahren zum Betreiben einer Schubkammervorrichtung |
DE102013105342A1 (de) | 2013-05-24 | 2014-11-27 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren zur Herstellung eines Injektors und Injektor |
WO2017194198A1 (de) * | 2016-05-10 | 2017-11-16 | Linde Aktiengesellschaft | Verfahren, mischvorrichtung und verfahrenstechnische anlage |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017109732B4 (de) * | 2017-05-05 | 2020-03-05 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schalenstruktur mit thermoelektrischer Einrichtung, Brennkammervorrichtung und Verfahren zur Gewinnung eines nutzbaren elektrischen Stroms |
US10674751B1 (en) | 2019-02-21 | 2020-06-09 | Empirical Innovations, Inc. | Heating medium injectors and injection methods for heating foodstuffs |
Citations (5)
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AT362755B (de) * | 1977-10-21 | 1981-06-10 | Huetter Karl | Vorrichtung zum belueften von fluessigkeiten |
US4674682A (en) * | 1984-11-26 | 1987-06-23 | Bejaco Ab | Method of mixing an atomized liquid into a gas flow and a device for carrying out said method |
US6395175B1 (en) * | 2000-04-03 | 2002-05-28 | Battelle Memorial Institute | Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes |
US20040036185A1 (en) * | 2000-04-12 | 2004-02-26 | Premier Wastewater International, Inc. | Differential injector |
EP1481723A1 (de) * | 2003-05-30 | 2004-12-01 | Fuji Photo Film Co., Ltd. | Mikrovorrichtung |
-
2004
- 2004-06-09 DE DE102004029028A patent/DE102004029028A1/de not_active Ceased
-
2005
- 2005-06-01 AT AT05011802T patent/ATE382421T1/de active
- 2005-06-01 EP EP05011802A patent/EP1604731B1/de not_active Not-in-force
- 2005-06-01 DE DE502005002373T patent/DE502005002373D1/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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AT362755B (de) * | 1977-10-21 | 1981-06-10 | Huetter Karl | Vorrichtung zum belueften von fluessigkeiten |
US4674682A (en) * | 1984-11-26 | 1987-06-23 | Bejaco Ab | Method of mixing an atomized liquid into a gas flow and a device for carrying out said method |
US6395175B1 (en) * | 2000-04-03 | 2002-05-28 | Battelle Memorial Institute | Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes |
US20040036185A1 (en) * | 2000-04-12 | 2004-02-26 | Premier Wastewater International, Inc. | Differential injector |
EP1481723A1 (de) * | 2003-05-30 | 2004-12-01 | Fuji Photo Film Co., Ltd. | Mikrovorrichtung |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147522A1 (de) | 2006-06-20 | 2007-12-27 | DEUTSCHES ZENTRUM FüR LUFT-UND RAUMFAHRT E.V. | Einblaskopf, mischungsraum und triebwerk |
DE102011000383A1 (de) | 2011-01-28 | 2012-08-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Triebwerkvorrichtung und Verfahren zum Betreiben einer Triebwerkvorrichtung |
DE102011000383B4 (de) * | 2011-01-28 | 2015-01-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Triebwerkvorrichtung und Verfahren zum Betreiben einer Triebwerkvorrichtung |
DE102013105345A1 (de) | 2013-05-24 | 2014-11-27 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schubkammervorrichtung und Verfahren zum Betreiben einer Schubkammervorrichtung |
DE102013105342A1 (de) | 2013-05-24 | 2014-11-27 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren zur Herstellung eines Injektors und Injektor |
DE102013105345B4 (de) | 2013-05-24 | 2019-01-10 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schubkammervorrichtung und Verfahren zum Betreiben einer Schubkammervorrichtung |
DE102013105342B4 (de) * | 2013-05-24 | 2021-06-17 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren zur Herstellung eines Injektors und Injektor |
CN103657491A (zh) * | 2013-12-04 | 2014-03-26 | 上海森松混合技术工程装备有限公司 | 一种鼠笼式超重力混合器 |
CN103657491B (zh) * | 2013-12-04 | 2015-08-26 | 上海森松混合技术工程装备有限公司 | 一种鼠笼式超重力混合器 |
WO2017194198A1 (de) * | 2016-05-10 | 2017-11-16 | Linde Aktiengesellschaft | Verfahren, mischvorrichtung und verfahrenstechnische anlage |
Also Published As
Publication number | Publication date |
---|---|
DE102004029028A1 (de) | 2006-01-05 |
DE502005002373D1 (de) | 2008-02-14 |
EP1604731B1 (de) | 2008-01-02 |
ATE382421T1 (de) | 2008-01-15 |
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