EP2595758A1 - Statischer sprühmischer - Google Patents
Statischer sprühmischerInfo
- Publication number
- EP2595758A1 EP2595758A1 EP11717673.5A EP11717673A EP2595758A1 EP 2595758 A1 EP2595758 A1 EP 2595758A1 EP 11717673 A EP11717673 A EP 11717673A EP 2595758 A1 EP2595758 A1 EP 2595758A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- longitudinal axis
- distal end
- mixer
- mixer housing
- static spray
- 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
Links
- 239000007921 spray Substances 0.000 title claims abstract description 44
- 230000003068 static effect Effects 0.000 title claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 230000009969 flowable effect Effects 0.000 claims abstract description 7
- 238000004544 sputter deposition Methods 0.000 description 14
- 238000000889 atomisation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011346 highly viscous material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
- B05B7/0861—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with one single jet constituted by a liquid or a mixture containing a liquid and several gas jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
-
- 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
-
- 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
- B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
- B01F25/4321—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00503—Details of the outlet element
- B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
- B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00503—Details of the outlet element
- B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
- B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
Definitions
- the invention relates to a static spray mixer for mixing and spraying of at least two flowable components according to the preamble of the independent claim.
- the mixed components are atomized at the outlet of the mixer by exposure to a medium such as air and can then be applied in the form of a spray or spray on the desired substrate.
- a medium such as air
- higher-viscosity coating media for.
- polyurethanes, epoxy resins or the like can be processed.
- An apparatus for such applications is disclosed, for example, in US-B-6,951,310. In this device is a tubular
- Mixer housing which receives the mixing element for the static mixture and which has an external thread at one end, onto which an annular nozzle body is screwed.
- the nozzle body also has an external thread.
- a cone-shaped Zerstäuberelement is placed, which has on its conical surface a plurality of longitudinal grooves.
- Atomizer element is put over a cap whose inner surface is also conical, so that they are on the conical surface of the
- nozzle body Male thread of the nozzle body is screwed, fixed to the nozzle body.
- the nozzle body has a connection for pressure.
- the compressed air flows from the nozzle body through the flow channels between the atomizer element and the cap and atomizes the material emerging from the mixing element.
- Flow channels forming grooves are provided in the inner surface of the atomizing sleeve or in the outer surface of the mixer housing.
- Spraying of at least two flowable components comprising a tubular mixer housing which extends in the direction of a longitudinal axis to a distal end having an outlet opening for the components, with at least one mixing element arranged in the mixer housing for mixing the components and with a spray sleeve having an inner surface which the
- Mixer housing can flow. Each flow channel points in
- the inventive static spray mixer requires only three components, namely the one-piece mixer housing, the atomizer sleeve and the mixing element, which may also be configured in one piece. This results in a low complexity and ease of manufacture or assembly.
- the changing inclination of the flow channels is realized in that each groove in
- Longitudinal axis which is greater than 45 ° and in particular less than 50 °.
- the changing inclination is realized by having each groove in the direction of flow having a portion in which the inclination to the longitudinal axis continuously changes.
- the bottom of the respective groove is designed curved, which can be achieved in particular by the fact that the inner surface of the atomizing sleeve or the outer surface of the mixer housing curved in the direction of the longitudinal axis
- the mixer housing has a distal end portion which tapers towards the distal end and wherein the inner surface of the atomizing sleeve is configured to cooperate with the distal end portion. This rejuvenation improves the atomization effect.
- End portion at least partially as a frustoconical surface or as in axial
- Atomizing sleeve protrudes.
- Sputtering medium for example, at supersonic speed, resulting in the higher energy input results.
- Direction meant in which the inner surface of the atomizing sleeve or the outer surface of the mixer housing extends in the direction perpendicular to the longitudinal axis direction.
- each groove being bounded by two walls, of which at least one is in
- Seen flow direction is designed curved.
- the extension of the grooves also has a
- Component has in the circumferential direction.
- the atomizing medium can be set into a rotational movement about the longitudinal axis as it flows through the flow channels. It has been shown that this twist has a stabilizing effect on the distal end of the
- Mixer housing exiting flow of atomizing medium, which has an advantageous effect on a uniform and reproducible spraying.
- the grooves have a substantially spiral profile with respect to the longitudinal axis A.
- Mixing housing is connected, for example, the atomizing sleeve is attached by means of a sealing snap connection to the mixer housing with regard to the realization of a stabilizing twist of the
- Atomizing medium it is particularly advantageous if the
- Inlet duct is arranged asymmetrically with respect to the longitudinal axis.
- the inlet channel opens into the inner surface of the atomizing sleeve perpendicular to the longitudinal axis.
- Fig. 5 a perspective view of the distal end region of the
- a cross section through the first embodiment along the section line Vl-Vl in Fig. 1 a cross section through the first embodiment along the section line VII-VII in Fig. 1, a cross section through the first embodiment along the section line VIII-VIII in Fig. 1st 1 is a perspective sectional view of the distal end portion of the second embodiment, a perspective view of the atomizing sleeve of the second embodiment, a perspective view of the distal end portion of the mixer housing of the second embodiment, a cross section through the second embodiment along the section line XIII-XIII in Fig. 9, a cross section through the second embodiment along the section line XIV-XIV in Fig. 9, a cross section through the second embodiment along d he section line XV-XV in Fig. 9.
- FIG. 1 shows a longitudinal section of a first exemplary embodiment of a static spray mixer according to the invention, which is designated overall by the reference numeral 1.
- the spray mixer is used for mixing and spraying of at least two flowable components.
- Fig. 2 shows a perspective view of the distal end portion of the first
- the spray mixer 1 comprises a tubular, one-piece mixer housing 2 which extends in the direction of a longitudinal axis A to a distal end 21.
- the distal end 21 is meant that end at which the mixed components in the operating state
- Outlet opening 22 provided. At the proximal end, meaning the end at which the components to be mixed into the
- Mixer housing 2 are introduced, the mixer housing 2, a connecting piece 23, by means of which the mixer housing 2 can be connected to a reservoir for the components.
- This reservoir can be, for example, a known two-component cartridge, designed as a coaxial or side-by-side cartridge, or two tanks in which the two components are stored separately from each other. Depending on the design of the
- At least one static mixing element 3 is arranged in a manner known per se, which on the inner wall of the mixer housing 2,
- Mixer housing 2 is applied, so that the two components can only pass through the mixing element 3 from the proximal end to the outlet opening 22.
- Either a plurality of mixing elements 3 arranged one behind the other can be provided, or as in the present case
- Embodiment an integral mixing element 3, which is preferably injection molded and consists of a thermoplastic.
- Such static mixers or mixing elements 3 per se are well known to the person skilled in the art and therefore require no further explanation. Particularly suitable are those mixers or mixing elements 3 such as those sold under the brand name QUADRO® by the company Sulzer Chemtech AG (Switzerland). Such mixing elements are
- Such a mixing element 3 of the Qudro® type has a rectangular, in particular a square cross section, perpendicular to the longitudinal direction A. Accordingly, the one-piece mixer housing 2, at least in the region in which it encloses the mixing element 3, a substantially rectangular, in particular square cross-sectional area perpendicular to the longitudinal axis A.
- the mixing element 3 does not extend completely to the distal end 21 of the mixer housing 2, but ends at a stop 25 (see FIG. 2), which is realized here by the transition of the mixer housing 2 from a square to a round cross-section. Seen in the direction of flow, therefore, the interior of the mixer housing 2 up to this stop 25 has a substantially square cross-section for receiving the mixing element 3.
- the interior of the mixer housing 2 is in a circular cone shape, which realizes a taper in the mixer housing 2.
- the interior thus has a circular cross section and forms an exit region 26, which tapers in the direction of the distal end 21 and there opens into the outlet opening 22.
- the static spray mixer 1 further comprises a sputtering sleeve 4 having an inner surface which encloses the mixer housing 2 in its end region.
- the atomizing sleeve 4 is designed in one piece and is preferably injection-molded, in particular made of a thermoplastic. It has an inlet channel 41 for a pressurized
- Atomizing medium which is particularly gaseous.
- the atomization medium is compressed air.
- the inlet channel 41 can be configured for all known connections, in particular also for a Luer lock.
- the atomizing sleeve 4 is preferably connected thread-free with the mixer housing, in the present embodiment by means of a Snap connection.
- a flange-like elevation 24 is provided on the mixer housing 2 (see FIG. 2), which extends over the entire circumference of the mixer housing 2.
- a circumferential groove 43 is provided, which is designed to cooperate with the survey 24.
- this snap connection is designed sealing, so that the Zerstäubungsmedium- here the compressed air can not escape through this existing from the circumferential groove 43 and the survey 24 compound.
- the atomizing sleeve 4 lies with its inner surface in a region between the mouth of the inlet channel 41 and the elevation 24 closely on the outer surface of the mixer housing 2, so that also a sealing effect is achieved, which is a leakage or a
- Atomizing sleeve 4 a survey which engages in this circumferential groove.
- connection between the atomizing sleeve 4 and the mixer housing 2 is designed such that the atomizing sleeve 4 connected to the mixer housing 2 is rotatable about the longitudinal axis A. This is ensured for example in a snap connection with the fully circumferential circumferential groove 43 and the survey 24.
- the rotatability of the atomizing sleeve 4 has the advantage that the inlet channel 41 can always be aligned so that it can be connected as simply as possible to a source for the atomizing medium.
- Atomizing sleeve 4 to the distal end 21 of the mixer housing 2 can flow.
- the grooves 5 are provided in the inner surface of the atomizing sleeve 4, they can of course also in an analogous manner the same way or alternatively in the
- outside surface of the mixer housing 2 may be provided.
- the grooves 5 may be curved, for example, arcuate or rectilinear or may be configured by combinations of curved and rectilinear sections.
- FIG. 3 is still a perspective view of the atomizing sleeve 4 of the first
- Fig. 4 is a longitudinal section through the
- each flow channel 51 or the associated grooves 5 is formed such that, viewed in the flow direction, it has in each case a changing inclination to the longitudinal axis A.
- Seen flow direction seen three consecutively arranged portions 52, 53, 54 includes (see also Fig. 3 and Fig. 4), wherein the central portion 53 has a slope a 2 to the longitudinal axis A, which is greater than the slope Oi, a 3 of the two adjacent sections 52 and 54.
- the inclination of the grooves 5 with respect to the longitudinal axis A is constant.
- the inclination a-i can also be zero (see FIG. 4), ie this portion 52 can be seen in the direction of the longitudinal axis A parallel to the longitudinal axis A extend.
- the bottom of each groove 5 is in each case part of a conical or frustoconical surface, wherein the conical angle a 2 in the central section 53 is greater than that
- the grooves 5 in this first section 52 are each part of a cylinder surface, the angle Ch has the value 0 °.
- the inclination a 2 is preferably greater than 45 ° and less than 50 °. In the embodiment described here, the inclination a 2 against the longitudinal axis A in the middle section 46 °.
- the inclination a-i here is 0 °.
- the inclination a 3 egen the longitudinal axis A is preferably less than 20 °, in the present example, it is about 10 ° to 1 1 °.
- Each of the grooves 5 is bounded laterally by two walls, which are formed by ribs 55, each between two
- these ribs 55 change their height H as seen in the flow direction, meaning their extent in the radial direction perpendicular to the longitudinal axis A.
- the ribs begin in the region of the mouth of the inlet channel 41 and in the first section 52 with a height of zero and then rise continuously until they have reached their maximum height in the central portion 53.
- 5 shows a perspective view of the distal end region 27 of the mixer housing 2 with the distal end 21.
- the distal end portion 27 of the mixer housing 2 tapers toward the distal end 21.
- the distal end region 27 is configured conically and comprises, viewed in the direction of the longitudinal axis A, two regions arranged one behind the other, namely an upper, flat surface
- Both regions 271 and 272 are each configured conically, that is, in the regions 271 and 272, the outer surface of the mixer housing 2 is configured in each case as a frustoconical surface, wherein the cone angle of the flat region measured against the longitudinal axis 271 is smaller than the measured against the longitudinal axis A cone angle of the steeper area 272.
- the flat portion 271 with a
- Cone angle of 0 ° is configured, that is, the flat portion 271 is then cylindrical.
- the outer surface of the mixer housing 2 is then in the flat region 271, the lateral surface of a cylinder whose cylinder axis coincides with the longitudinal axis A.
- the distal end 21 of the mixer housing 2 shown in FIG. 5 projects beyond the atomizing sleeve 4.
- FIGS. 6-8 a cross-section perpendicular to the longitudinal axis A is shown in FIGS. 6-8, specifically along the section line V-1 in FIG. V1 in Fig. 1; in Figure 7 along the section line VII-VII; and in FIG. 8 along the section line VIII-VIII in FIG. 1.
- the inner surface of the atomizing sleeve 4 is configured to cooperate with the distal end portion 27 of the mixer housing 2.
- the provided between the grooves 5 ribs 55 of the atomizing sleeve 4 and the outer surface of the mixer housing 2 are close and sealing to each other so that the grooves 5 in the respective separate flow channel 51 between the inner surface of the Zerstäubungshülse 4 and the outer surface of the mixer housing 2 form (see Fig. 6). Further upstream, in the region of the mouth of the inlet channel 41
- the height H of the ribs 55 is so small that between the outer surface of the mixer housing 2 and the inner surface of the
- Atomizer sleeve 4 an annular space 6 exists.
- the annular space 6 is in fluid communication with the inlet channel 41 of the atomizer sleeve 4. Through the annular space 6, the sputtering medium can pass from the inlet channel 41 into the separate flow channels 51.
- the height H of the ribs 55 within the annular space 6 is not necessarily everywhere zero. As can be seen in particular from FIGS. 4 and 8, all or some of the ribs 55 in the annular space 6 may still have a height H different from zero, so that they protrude into the annular space with respect to the radial direction perpendicular to the longitudinal axis A, without, however, in this area the
- the grooves 5, in this embodiment, eight grooves 5, are evenly distributed over the inner surface of the atomizing sleeve 4. It has proven to be advantageous with regard to the most complete and homogeneous atomization of the mixed components emerging from the outlet opening, when generated by the grooves 5
- Compressed air flows have a twist, so a rotation on a helix about the longitudinal axis A. This twist causes a significant stabilization of the compressed air flow.
- the circulating atomizing medium in this case compressed air, generates a jet which is stabilized by the swirl and thus acts evenly on the mixed components emerging from the outlet opening 22. This results in a very high pressure
- Sputtering medium are initially at their exit as discrete
- This total jet preferably has a conical shape.
- Flow channels 51 form, do not extend exactly in the axial direction defined by the longitudinal axis A or not only inclined to the longitudinal axis, but the extension of the grooves 5 also has a component in the circumferential direction of the atomizing sleeve 4. This is particularly apparent from the illustration in Fig. 3 and in Fig. 6 can be seen.
- the course of the grooves 5 is at least
- the ribs 55 which the walls of the Form grooves 5.
- the ribs 55 are designed so that at least in the middle section 53 one of the two walls, which laterally delimit the grooves 5, curved in the flow direction or approximately curved by a polygon ausgestaltetist.
- the respective other wall is formed linearly but extends obliquely to the longitudinal axis A, that they each have a component in the circumferential direction. Due to the curvature of one wall, the generation of the twist can be positively influenced.
- the inlet channel 41 Another measure for generating the twist, which is also completely independent of the other design of the static spray mixer can be realized, is to arrange the inlet channel 41, through which the sputtering medium enters the flow channels 51, asymmetrically with respect to the longitudinal axis A. This measure can best be seen in FIG. 8.
- the inlet channel 41 has a central axis Z.
- the inlet channel 41 is arranged so that its central axis Z the
- Longitudinal axis A does not intersect, but has a vertical distance e from the longitudinal axis A. This asymmetric or eccentric
- the inlet channel 41 Arrangement of the inlet channel 41 with respect to the longitudinal axis A has the consequence that the atomizing medium, in this case the compressed air, is displaced on entering the annular space 6 in a rotational or swirling motion about the longitudinal axis A.
- the inlet channel 41 is preferably arranged, as shown in FIG. 8, in such a way that it opens into the inner surface of the atomizing sleeve 4 perpendicular to the longitudinal axis A.
- the inlet channel 41 opens at an angle different from 90 °, ie obliquely to the longitudinal axis A.
- Flow cross section In order to realize this narrowing of the flow cross section, two dimensions are available, namely the two directions of the plane perpendicular to the longitudinal axis A.
- One direction is referred to as a radial direction, which on the longitudinal axis A is meant perpendicular direction, which has radially outward from the longitudinal axis A.
- the other direction is called circumferential direction
- the principle of the Laval nozzle can be realized that in the central steep section 53, the depth of the
- Flow channels 51 decreases greatly in the flow direction.
- the depth becomes minimal where the mixer housing 2 makes the transition from the flat area 271 to the steeper area 272. Downstream of this transition, the depth of the flow channels 51 increases again, mainly due to the fact that here the outer surface of the mixer housing 2 part of a steeper truncated cone and the inclination of the inner surface of the Zerstäubungshülse 4 in the third section 54 remains substantially constant.
- Measures can be achieved with respect to the radial direction of the effect of a Laval nozzle.
- the flow channels 51 can also with respect to the circumferential direction according to the principle of a Laval nozzle
- the grooves 5 are designed in the central portion 53 so that they narrow in the flow direction with respect to the circumferential direction. This is realized in that the walls formed by the ribs 55 of the grooves 5 for each groove 5 are not parallel, but extending one wall to the other, so that a
- the one wall is formed linearly in each groove 5, while the other wall is designed curved in the flow direction in such a way that the flow channel 51 narrows with respect to the circumferential direction.
- the air used as a sputtering medium can also be additionally with downstream even the narrowest point Apply kinetic energy and thus accelerate. As with a Laval nozzle, this happens through the flow cross-section widening again in the direction of flow. This results in a higher
- this first embodiment operates as follows.
- the static spray mixer is connected by means of its connecting piece 23 to a storage vessel containing the two components separated from each other, for example with a two-component cartridge.
- the inlet channel 41 of the atomizing sleeve 4 is connected to a source of the atomizing medium, for example a compressed air source.
- a source of the atomizing medium for example a compressed air source.
- the compressed air flows through the inlet channel 41 of the atomizing sleeve 4 in the annular space 6 between the inner surface of the Zerstäubungshülse 4 and the outer surface of the mixer housing 2, thereby receives by the asymmetric arrangement a twist and passes from there through the Grooves 5, which form the flow channels 51, to the distal end 21 and thus to
- the compressed air flow stabilized by the swirl impinges on the mixed material emerging through the outlet opening 22, atomizes it uniformly and
- the compressed air can also be used for the atomization.
- the mixer housing and / or the atomizing sleeve are injection-molded, preferably made of a thermoplastic.
- the mixing element is configured in one piece and injection-molded, preferably of a thermoplastic.
- Embodiment explained measures and variants apply mutatis mutandis to the same manner for the second embodiment.
- FIG. 9 shows a longitudinal section of the second embodiment, analogous to FIG. 1.
- 10 is a perspective sectional view of the distal end portion of the second embodiment.
- Fig. 1 1 is in analog
- FIG. 13 shows, in an illustration analogous to FIG. 5, the distal end region 27 of the mixer housing.
- FIGS. 13-15 a cross section perpendicular to the longitudinal axis A is shown in FIGS. 13-15, specifically in FIG. 13 along the section line XIII-XIII in Fig. 9; in Fig. 14 along the section line XIV-XIV; and in Fig. 15 along the section line XV-XV in Fig. 9.
- the changing inclination of the flow channels 51 to the longitudinal axis A is realized by a continuous change.
- the atomizing sleeve 4 has a section 56 (see FIG. 11) in which the inclination of the grooves 5 changes continuously in the direction of flow. This is the inner surface of the
- the flow channels 51 run spirally about the longitudinal axis A, wherein their
- FIG. 12 shows a perspective view of the distal end region 27 of the mixer housing 2 with the distal end 21.
- the distal end portion 27 of the mixer housing 2 tapers toward the distal end 21.
- the distal end portion 27 is part of a
- Circumferential direction is provided in the axial direction defined by the longitudinal axis A a curvature.
- Seen longitudinal axis A successively arranged areas, namely the upstream flat portion 271 and the adjoining steeper area 272. are each curved in the axial direction, that is, in the areas 271 and 272 is the outer surface of the
- Mixer housing 2 each as part of a surface of an ellipsoid of revolution
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11717673.5A EP2595758B1 (de) | 2010-07-20 | 2011-05-09 | Statischer sprühmischer |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10170141 | 2010-07-20 | ||
PCT/EP2011/057379 WO2012010338A1 (de) | 2010-07-20 | 2011-05-09 | Statischer sprühmischer |
EP11717673.5A EP2595758B1 (de) | 2010-07-20 | 2011-05-09 | Statischer sprühmischer |
Publications (2)
Publication Number | Publication Date |
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EP2595758A1 true EP2595758A1 (de) | 2013-05-29 |
EP2595758B1 EP2595758B1 (de) | 2015-03-18 |
Family
ID=43416439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11717673.5A Active EP2595758B1 (de) | 2010-07-20 | 2011-05-09 | Statischer sprühmischer |
Country Status (13)
Country | Link |
---|---|
US (1) | US10625282B2 (de) |
EP (1) | EP2595758B1 (de) |
JP (1) | JP5993371B2 (de) |
KR (1) | KR101852041B1 (de) |
CN (1) | CN103118798B (de) |
BR (1) | BR112012033175B8 (de) |
CA (1) | CA2805970C (de) |
DK (1) | DK2595758T3 (de) |
ES (1) | ES2533587T3 (de) |
MX (1) | MX2013000618A (de) |
RU (1) | RU2567638C2 (de) |
TW (1) | TWI566839B (de) |
WO (1) | WO2012010338A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2699955T3 (es) | 2011-05-23 | 2019-02-13 | Sulzer Mixpac Ag | Combinación de un mezclador pulverizador estático con una pieza intermedia |
CN105563602A (zh) * | 2016-02-19 | 2016-05-11 | 澳森木业赤壁有限责任公司 | 一种纤维板成型装置 |
RU170199U1 (ru) * | 2016-11-23 | 2017-04-18 | Общество с ограниченной ответственностью "Сахар Плюс" | Статический смеситель |
CN108236850A (zh) * | 2016-12-27 | 2018-07-03 | 黑龙江吉纳森生物工程股份有限公司 | 一种涡流式溶气混合器及其应用 |
US11278924B2 (en) * | 2017-11-21 | 2022-03-22 | Wagner Spray Tech Corporation | Plural component spray gun system |
CN111097338A (zh) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | 一种液固径向移动床反应装置 |
US11498087B2 (en) * | 2019-06-28 | 2022-11-15 | Medmix Switzerland Ag | Connecting device |
RU2770129C1 (ru) * | 2021-03-31 | 2022-04-14 | Михаил Алексеевич Бажанов | Форсунка распылителя |
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US1000227A (en) * | 1911-02-24 | 1911-08-08 | William Albert Bennett | Spray-burner. |
DE2356229C3 (de) * | 1973-11-10 | 1981-01-29 | Shigetake Kawasaki Kanagawa Tamai (Japan) | Kegelstumpfförmige, radiale Gaskanäle aufweisende Zerstäuberdüse |
JPH0523266A (ja) | 1991-07-22 | 1993-02-02 | Yashima Denki Kk | 遅延機能付き位相制御回路 |
JP3079794B2 (ja) * | 1991-12-26 | 2000-08-21 | 株式会社日立製作所 | 電磁式燃料噴射弁、電磁式燃料噴射弁用燃料旋回部材及びこの弁を用いた燃料噴射装置 |
DK0663241T3 (da) * | 1993-12-17 | 1999-04-19 | Pari Gmbh | Forstøverdyse |
US5636795A (en) * | 1995-05-11 | 1997-06-10 | First Pioneer Industries Inc. | Cyclonic spray nozzle |
ES2155509T3 (es) | 1995-06-21 | 2001-05-16 | Sulzer Chemtech Ag | Mezclador con cuerpo en forma de tubo. |
EP0904844A4 (de) * | 1996-06-10 | 2005-08-31 | Nippon Telegraph & Telephone | Zweistoffdüse und vorrichtung mit dieser düse zum einfrieren und trocknen einer in einem behälter enthaltenen flüssigkeit |
ATE195889T1 (de) | 1996-07-05 | 2000-09-15 | Sulzer Chemtech Ag | Statischer mischer |
FR2771296B1 (fr) | 1997-11-25 | 2000-03-10 | Sofab | Embout nasal avec fermeture d'extremite |
CN1231288C (zh) | 2000-01-31 | 2005-12-14 | 利乐拉瓦尔集团及财务有限公司 | 混合方法和装置 |
US6591310B1 (en) * | 2000-05-11 | 2003-07-08 | Lsi Logic Corporation | Method of responding to I/O request and associated reply descriptor |
GB0204829D0 (en) | 2002-03-01 | 2002-04-17 | Glaxo Group Ltd | A fluid dispensing device |
US6951310B2 (en) * | 2002-06-06 | 2005-10-04 | Anderson Steven R | Spray head and air atomizing assembly |
US6601782B1 (en) * | 2002-12-23 | 2003-08-05 | Plas-Pak Industries, Inc. | Disposable spray nozzle assembly |
JP2006247619A (ja) | 2005-03-14 | 2006-09-21 | Sony Corp | 2流体ノズル及び洗浄装置 |
JP4914089B2 (ja) * | 2006-03-16 | 2012-04-11 | 株式会社アトマックス | 液体送給菅嵌入型渦流式微粒化ノズル |
SG161141A1 (en) * | 2008-10-17 | 2010-05-27 | Sulzer Mixpac Ag | Static mixer |
CH699808A1 (de) * | 2008-10-30 | 2010-04-30 | Medmix Systems Ag | Sprühkopf und Sprühvorrichtung mit einem solchen Sprühkopf. |
-
2011
- 2011-05-09 RU RU2013107373/05A patent/RU2567638C2/ru not_active IP Right Cessation
- 2011-05-09 US US13/811,074 patent/US10625282B2/en active Active
- 2011-05-09 WO PCT/EP2011/057379 patent/WO2012010338A1/de active Application Filing
- 2011-05-09 EP EP11717673.5A patent/EP2595758B1/de active Active
- 2011-05-09 DK DK11717673.5T patent/DK2595758T3/en active
- 2011-05-09 BR BR112012033175A patent/BR112012033175B8/pt active IP Right Grant
- 2011-05-09 CA CA2805970A patent/CA2805970C/en not_active Expired - Fee Related
- 2011-05-09 ES ES11717673.5T patent/ES2533587T3/es active Active
- 2011-05-09 JP JP2013520015A patent/JP5993371B2/ja active Active
- 2011-05-09 CN CN201180035370.3A patent/CN103118798B/zh active Active
- 2011-05-09 KR KR1020137001246A patent/KR101852041B1/ko active IP Right Grant
- 2011-05-09 MX MX2013000618A patent/MX2013000618A/es active IP Right Grant
- 2011-07-15 TW TW100125147A patent/TWI566839B/zh active
Non-Patent Citations (1)
Title |
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See references of WO2012010338A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2805970C (en) | 2018-02-13 |
BR112012033175A2 (pt) | 2016-11-29 |
RU2013107373A (ru) | 2014-08-27 |
CN103118798B (zh) | 2015-08-12 |
JP2013530832A (ja) | 2013-08-01 |
TWI566839B (zh) | 2017-01-21 |
KR101852041B1 (ko) | 2018-04-25 |
BR112012033175B8 (pt) | 2023-03-21 |
DK2595758T3 (en) | 2015-06-08 |
MX2013000618A (es) | 2013-03-20 |
TW201221228A (en) | 2012-06-01 |
WO2012010338A1 (de) | 2012-01-26 |
EP2595758B1 (de) | 2015-03-18 |
US10625282B2 (en) | 2020-04-21 |
JP5993371B2 (ja) | 2016-09-14 |
RU2567638C2 (ru) | 2015-11-10 |
KR20130093076A (ko) | 2013-08-21 |
BR112012033175B1 (pt) | 2020-12-22 |
CA2805970A1 (en) | 2012-01-26 |
CN103118798A (zh) | 2013-05-22 |
ES2533587T3 (es) | 2015-04-13 |
US20130119158A1 (en) | 2013-05-16 |
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