WO1995027558A1 - Verfahren und vorrichtung zum zusammenführen wenigstens zweier fliessmedien - Google Patents
Verfahren und vorrichtung zum zusammenführen wenigstens zweier fliessmedien Download PDFInfo
- Publication number
- WO1995027558A1 WO1995027558A1 PCT/DE1995/000462 DE9500462W WO9527558A1 WO 1995027558 A1 WO1995027558 A1 WO 1995027558A1 DE 9500462 W DE9500462 W DE 9500462W WO 9527558 A1 WO9527558 A1 WO 9527558A1
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- WO
- WIPO (PCT)
- Prior art keywords
- flow
- chamber
- medium
- opening
- housing
- Prior art date
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Classifications
-
- 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
-
- 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
- B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit
Definitions
- the present invention relates to a device for bringing together at least two flow media with at least one first chamber that can be filled with a first flow medium and at least one flow area that can be placed in the area of an opening of the first chamber and is connected to it, which is used to hold the first flow medium emerging from the first chamber and is designed to promote this up to an initial opening of the flow area and a method for producing a product strand by bringing together at least two flow media which are kept separate before being brought together.
- the problem arises of combining at least two flowable media which are stored separately next to one another before use in such a way that they are mixed with one another to form a finished multicomponent system only immediately before use.
- Examples of this are the combination of the two components of so-called two-component adhesives or the mixing of sealing compounds with coloring substances.
- This problem can be summarized in general in that it is important to feed at least a second fluid to a first fluid medium in order to change the properties of the fluid media, for example their viscosity, mechanical and / or chemical properties, optical phenomena or physical states.
- These can be two- or multicomponent systems, which, however, should be flowable according to the invention, their different viscosity, if any, being of minor importance.
- specially designed devices which have two cylindrical cavities arranged next to one another, into which different flow media are filled. These cavities open into a common exit opening onto which a suitable mixing device, for example a static mixer, can be added.
- a suitable mixing device for example a static mixer
- These two media to be brought together are pressed under pressure from the cylindrical cavities of the device by means of pistons and then emerge as a common strand from the exit opening, this being formed in part by the combined media.
- the strand then enters the downstream mixing device and is mixed there to form a homogeneous end medium before it leaves the discharge opening of the mixing device for application.
- containers containing dental care products are known, into which at least two different, flowable and optically different dental care components are filled.
- the constructive design of the container leads dental care components superimposed in the container in one strand out of the discharge opening in which the mutually contacting dental care components lie next to one another in strips.
- the technical problem underlying the invention is to propose a device or a method for merging at least two flow media so that it is possible to keep at least two mutually influencing flowable components or flow media separately from one another until immediately before use, immediately before Combine application continuously and mix if necessary, whereby the proportions of the various components can be predetermined and influenced.
- At least one second chamber which can be filled with a second flow medium
- the at least one first opening element via which it is connected to the flow area and / or to the first opening, and has at least one second opening element, by means of which it is connected to the flow region and / or to the outlet opening, and by a generic method in which the energy with which a flow medium flows out of its Reserved volume is conveyed out, causes at least a second flow medium to be conveyed out of its reserve volume and brought together with the first flow medium.
- the device and method according to the invention have the advantage that the disadvantages known from the prior art are avoided. They make it possible for the user to freely select at least one fluid medium for the respective application, so that the composition of the product consisting of at least two fluid media can be influenced by the user at the place of work.
- auxiliary devices such as cartridges, spray guns and static mixers can be used, at least in part on the market.
- the device allows the media to be brought together immediately before use, the media being conveyed continuously and there being only relatively small amounts of already combined or mixed media in the system.
- the delivery paths for the second flow medium can advantageously be made short. If, in another embodiment, the second flow medium is guided from the second opening element into the front area of the flow area via a channel, the flow area is already advantageously available for mixing the media.
- the delimitation between the upper part and lower part of the housing is provided in such a way that exclusive parts of the upper part are in contact with mixed flow media. It is thereby achieved that the upper part of the housing can be removed from the lower part and the media remaining in the lower part are unmixed in the case of at least one fluid medium which is not completely used up or if the application is interrupted. After a short interruption, the upper part can then be put on again or a new upper part can be put on at all, in order to continue the application using the still existing flow media.
- separating elements can expediently be provided on the upper part, which protrude into the lower part and take away mixed media when loosened.
- the flow cross sections are expediently dimensioned, taking into account the flow properties of the media, in such a way that the flow media emerge in the desired mixing ratio in the appropriate amounts.
- An advantageous further development provides that the flow cross sections can be set for at least one of the unmixed flow media. This makes it possible to either use the same device to change the mixing ratio of the flow media or, if the flow properties change, to set the desired mixing ratio.
- Examples of elements with which the flow cross-sections can be set are interchangeable inserts with different cross-sections, preferably rotary shutters that can be operated from the outside, or telescopically slidable channels that form different cross-sections either through conical design or slots.
- outlets of the unmixed flow media are provided with a shut-off device which automatically closes the outlet when the upper part is removed, dripping of the flow media is advantageously avoided.
- a spring element arranged at the outlet of the second chamber which can be opened by the flow pressure of the second flow medium, advantageously prevents dripping when the application is interrupted as soon as the pressure built up by the action of the first flow medium in the second flow medium is reduced to such an extent that it is less than the restoring force of the spring element.
- This spring element can be provided as an alternative or in addition to the aforementioned shut-off device for the outlet.
- the double-walled design of the housing represents effective thermal insulation. However, an insulating effect, also against other influences such as diffusing gases or radiation, can also be achieved by other means, for example by coating.
- the placement of desiccants in the housing in such a way that they come into contact with at least one fluid medium provides effective protection against moisture-related influences on the fluid media.
- the at least partially transparent design of the outer wall in the region of the chamber advantageously enables the fill level of the second fluid medium to be optically closed check.
- the closability of the outlets of unmixed flow media makes it possible to additionally protect the flow media filled into the device against application or in the event of interruption of the application and separation of the lower and upper part against environmental influences.
- the arrangement of a spiral static mixer in the mixing area of the upper part of the housing advantageously creates the conditions for an effective mixing of the flow media. If the available area in the mixing area channel that is used to the greatest possible extent results in the longest possible mixing section.
- a method for merging at least two flow media, which are kept separate before the merging in which the energy, with which a flow medium is conveyed out of its reserve volume, causes at least a second flow medium to flow out of it Reserved volume is pumped out and merged with the first fluid.
- the energy expended to express the first flow medium from its reserve volume for example from a cartridge, in order to challenge at least one second flow medium from its reserve volume.
- the energy present in the delivery line of the first flow medium can either do this by diverting part of the line so that it exerts pressure on the second flow medium and displaces it from its reserve volume.
- the energy can also be used to promote the at least second flow medium in such a way that the strand of the first flow medium is passed through a nozzle-like device part, for example a venturi-like configuration of the flow region, a suction being formed in the region of the nozzle by the negative pressure , which acts on the second fluid medium in such a way that it is conveyed out of its reserve volume.
- Pressure or negative pressure can be controlled so that the second fluid medium is supplied in a predetermined ratio with respect to the volume of the first fluid medium.
- first flow media are adhesives and / or sealants as the base component.
- second or more than second flow media are catalysts, color components and crosslinkers, and more than one of these substances can also be used for this.
- the device according to the invention of an adapter which is placed on a preferably commercially available cartridge, is advantageous.
- This adapter can be filled with a minor amount of a catalyst and / or crosslinker and / or color component and is shaped in such a way that the volume flow of the base component of the adhesive / sealant pressed out of the cartridge is continuous with the catalyst and / or crosslinker - And / or color component mixed, and this mixture is evenly discharged through a nozzle which may be screwed in front of the adapter. If necessary, the mixing of the two components can continue by means of a static mixer placed on the adapter to be completed.
- a one-component moisture-curing system is used as the basic component.
- This basic system can, for example, be based on reactive isocyanate group-containing polyurethane adhesives / sealants, but the basic adhesive / sealant can also be based on the downturn of polydimethylsiloxanes, alkoxy-terminated polyethers or on the basis of polymers with reactive epoxy groups .
- An example of particularly suitable polyurethane adhesives / sealants is described, for example, in Example 3 of WO 95/00572.
- Suitable adhesives / sealants based on alkoxysilane-terminated polyethers are described in detail in DE-C-4119484, the fluorosurfactants described there not necessarily having to be part of the adhesives / sealants to be used according to the invention.
- the catalyst component depends on the basic adhesive / sealant used.
- the organometallic compounds known in polyurethane chemistry such as e.g. Iron or tin compounds are used.
- examples include 1,3-dicarbonyl compounds of iron or tetravalent or tetravalent tin, but in particular the Sn (II) carboxylates or the dialkyl-Sn (IV) dicarboxylates or the corresponding dialkoxylates, such as e.g.
- the highly effective tertiary amines or amidines can be used as catalysts, if appropriate in combination with the tin compounds mentioned above. Both acyclic and in particular cyclic compounds are suitable as amines.
- Examples include tetramethylbutanediamine, bis (dimemylaminoethyl) ether, 1,4-diaza-dicyclooctane (DABCO), 1,8-diaza-bicyclo- (5.4.0) -undecene, 2,2'-dimorpholinodiethyl ether or dimethylpiperazine or also mixtures the aforementioned amines.
- DABCO 1,4-diaza-dicyclooctane
- 5.4.0 1,8-diaza-bicyclo-undecene
- 2,2'-dimorpholinodiethyl ether dimethylpiperazine or also mixtures the aforementioned amines.
- the basic adhesive / sealant formulation is based on alkoxylsilane-ninated polyethers
- the tin compounds mentioned above can be used, but long-chain aliphatic amines are preferred as the amine catalyst.
- Organic di- or triamines such as, for example, ethylenediamine, propylenediamine, 1,4-diarainobutane, diethylenetriamine or piperazine and, if appropriate, also low molecular weight, amino-eliminated polyethers of the "Jeffamine" type are suitable as crosslinking component.
- all of the are suitable as polyol crosslinkers
- polyester polyols of oleochemical origin are also particularly preferred.
- polyester polyols can, for example, by completely ring opening epoxidized triglycerides of a fat mixture containing at least partially olefinically unsaturated fatty acid with one or more alcohols having 1 to 12 carbon atoms and then partial transesterification of the triglyceride derivatives to alkyl ester polyols having 1 to 12 carbon atoms in the Alkyl radical are prepared (see, for example, DE-A-3626223).
- Other suitable polyols are polycarbonate polyols and dimer diols (from Henkel) and in particular castor oil and its derivatives.
- the low-molecular silane crosslinkers known in silane chemistry can be used as a component for alkoxysilane-terminated polyether systems and for adhesives / sealants based on polydimethylsiloxanes.
- di- or polyamines can be used for adhesive / sealant systems based on polymers with reactive epoxy groups.
- liquid crosslinking agents or catalysts can be used directly, it may be expedient to add inert solvents and / or plasticizers to them and, if necessary, to adjust the viscosity of these solutions to the viscosity of the basic adhesive / sealant using thickeners.
- a color component can be mixed in via the adapter. This simplifies storage for the user, since he only has to store a single adhesive / sealant in a basic color (e.g. colorless or white pigmented) and the color component can adapt to his needs, e.g. in vehicle construction it can the paint used for the vehicle.
- a basic color e.g. colorless or white pigmented
- catalyst and / or crosslinking agents and color components can also be combined in a single paste.
- the catalyst, crosslinker and / or color component will be used in a minor amount with respect to the base component, so that a small-volume adapter results.
- This component is preferably added in an amount of 0.5 to 8% by weight, based on the base component.
- the adapter according to the invention was screwed onto the cartridge of a commercially available one-component, moisture-curing 1-component polyurethane adhesive / sealant (Terostat 8597, from Teroson) and two percent by weight of castor oil were added to this adapter.
- the adhesive / sealant-crosslinker mixture was discharged with a commercially available cartridge gun and applied to aluminum angles. These aluminum angles were previously coated with a polyurethane primer (Terostat 8510 from Teroson) and 15 min. vented. The aluminum angles were joined together so that an adhesive joint 5 mm thick was formed.
- a tensile strength test of the bond was carried out 45 minutes after the assembly. The tensile strength was 0.6 N / mm 2 . Detachment of the primer from the substrate was observed since the primer had not yet fully achieved its strength. It can be assumed that a higher tensile strength would otherwise have been found.
- the adhesive / sealant was applied in the same way to the aluminum angles without the use of crosslinker and adapter, and its tensile strength was checked. After 45 minutes, the tensile strength was 0.15 N / mm 2 .
- FIG. 1 schematically shows an embodiment of the device according to the invention with a second chamber arranged on one side;
- FIG. 2 shows an exemplary embodiment similar to that in FIG. 1, but with a separating element and a closable filling area in the second chamber;
- 3 shows another exemplary embodiment with a flexible, extensible separating element in the second chamber and an attached mixing area and static mixer; 4 shows another embodiment of the device according to the invention with a second chamber arranged in a ring around a central flow area;
- Fig. 5 shows another embodiment in which the housing is separated into the upper and lower part
- Fig. 6a is a plan view according to lines Vla-VI-a;
- 6b shows a side view of a wall element with the two opening 12
- FIG. 7 shows another embodiment of the device according to the invention with a perforated distribution element in the second chamber
- FIG. 8 shows a further exemplary embodiment in which the lower part of the housing is made integrated with the first chamber
- Fig. 9 shows a wide embodiment in which the lower part of the housing is made integrated with the first chamber
- Fig. 10 shows an embodiment of the device according to the invention with the lower and upper part, which is placed on a cartridge
- FIG. 11 shows the upper part according to FIG. 10
- FIG. 12 shows the lower part according to FIG. 10
- FIG. 13 shows the sectioned top view according to lines VHI-XHI in FIG. 12;
- Fig. 16 is a schematic representation of a sectional side view of another embodiment of the lower part.
- FIG. 17 shows the sectional top view of FIG. 16.
- Fig. 1 shows an embodiment of a device according to the invention for merging at least two flow media.
- the flow area 1 for that from the in particular formed by a cartridge or tube-like container
- first chamber opening 4 begins with the first chamber opening 4 and extends over a flow area 1 formed in the form of a channel element 6 in the form of a channel element 6 attached to the first chamber opening 4 in its 6 input area 7 up to its 1 outlet opening 3 and is separated by the channel-like walls such as the first chamber opening wall 4 and the channel element wall 8 specified.
- the first medium is thus received from the first chamber 2 in the flow area 1 designed for this purpose and through this to the exit opening
- Second chamber 9 and flow area 1 of the channel element 6 are connected via at least one discharge opening 11, which is preferably arranged on the first chamber side, for branching off part of the first medium into the second chamber 9, which at least one second opening 12 is provided for the outlet of the second medium.
- the second opening 12 is located here in the area next to the outlet opening 3 of the channel element 6 or the flow area 1. It can either extend around the entire circumference of the channel element wall 8 or can be arranged only in a partial area next to the same.
- the mutual attachment of the first chamber 2 and the channel element 6 takes place here, for example, in the area of the channel element entrance 7 and the first chamber opening 4 by means of suitable fastening areas 13 (not shown), such as e.g. a screw connection.
- suitable fastening areas 13 such as e.g. a screw connection.
- the attachment is not limited to this type of attachment. Rather, other suitable fastening elements, in particular clamp, snap-in, plug-in connections or in the manner of a bayonet lock or a combination of at least two of these elements / connections or parts thereof can also be selected.
- the connections can be designed to be detachable or non-detachable from one another.
- part of the first medium is branched off into the second chamber 9 and displaces the second medium located in it, which leaves the second chamber 9 through the second opening 12 located next to the outlet opening 3, so that the first and second medium are brought together at this point.
- the second chamber 9 is filled with a second medium here through the second opening 12.
- the channel element 6 and the second chamber 9 can be composed of several molded parts.
- the channel element 6 can consist of a possibly flexible tubular or hose-like part and the second chamber 9 can consist of a plastic or metal part, for example.
- the first chamber 2 and the channel element 6 are preferably connected to one another by means of suitable fastening measures 13.
- the discharge opening or the first opening element 11 can be designed in the form of a tube or some other type of permeable shaped piece.
- the first chamber, first chamber opening, flow area or channel element, second chamber, discharge opening (s) and second opening (s) accordingly form a functional unit.
- the user can use existing auxiliary devices available on the market, e.g. operate piston-functional pressure and pressing devices etc.
- the first medium can be manually pressed out or pressed out of plastic tube-like first chambers.
- the device can be provided with a plurality of second chambers, each of which is connected to the flow area or the channel element via at least one branch element / discharge opening.
- the measures mentioned above and for the further described embodiments of the device ensure that a second medium is automatically supplied to the first medium by conveying the first medium through the flow area, the corresponding drive energy for the second medium being derived or derived from a part of the first medium is delivered itself.
- FIG. 2 shows a simplified embodiment of the device for connecting at least two flow media with a housing 14, in which the channel element 6 as flow region 1 in the housing 14 and the second chamber 9 are integrated.
- the housing 14 has a housing inlet opening 15 for the first medium, which at the same time is the inlet opening 7 of the flow region 1 or the channel element 6 on the housing side.
- the outlet opening 16 of the housing 14 is here, analogously to FIG. 1, the outlet opening 3 of the flow area or of the channel element 6.
- a partition 17 which divides it into the second chamber 9 provided for the second medium and the flow area 1 provided for the first medium and takes over the function of the channel element wall 8 and the second chamber wall 10. It extends on the housing-side in a protruding manner into the flow region 1 of the first medium and branches when the is actuated Device from the first medium through the discharge opening 11 into the second chamber 9.
- the second opening 12 opens here in front of the outlet opening 3 into the flow area 1, so that the first medium and the second medium are brought together at this point.
- the housing 14 is provided with a separate filling area 18 for the second medium, which is sealed as tightly as possible after filling the second medium into the second chamber 9 by means of a closure part 19, so that no second medium when the device is actuated from the second chamber 9 through the filling area 18 of the housing 14 can emerge.
- the second chamber 9 contains a movable separating element 20 separating the first medium from the second medium, which is driven in the direction of the second opening 12 by the first medium entering the second chamber 9 and presses the second medium out of the second chamber 9 again through the second opening 12.
- the separating element 20 is designed here as a rigid part and is guided by the second chamber wall 10 and the dividing wall 17 during propulsion. However, it is preferably provided with guide section (s) 21 in the region of the chamber wall 10 and / or partition 17. It also preferably has, on its side facing the first medium, pressure distribution segment (s) 22 which distributes the pressure exerted by the first medium on the separating element 20 in order to build up a driving force which is as uniform as possible. This additional measure is intended to prevent the separating element 20 from tilting on the separating wall 17 and / or the second chamber wall 10.
- the flow media which are brought together in the area of the housing outlet 16 or the channel element outlet 3 exit for example in the case of two highly viscous flow media or at least one highly viscous flow medium, in the form of a strand from the exit opening.
- Such an embodiment of the device equipped with a separating element is therefore particularly suitable for those cases in which direct contact between the first and time medium is avoided prior to the intended combination and, for example, premature mixing and / or undesired chemical reaction is to be excluded
- FIG. 3 also shows in section a further embodiment of the device according to the invention.
- the first chamber 2 and the second chamber 9 are attached to one another here in one piece, so that the first chamber opening 4 and the channel element inlet 7 or the inlet of the flow area 1 on the housing side merge.
- the dividing wall 17, which is at the same time part of the channel element 8 and second chamber wall 10 is directed in the manner of a projection into the flow area 1 provided for the first medium • 4 and narrows it.
- the second opening 12 is located next to the housing outlet opening 16, so that the first medium does not come into contact with the second medium until then.
- the separating element 20 located in the second chamber 9 is here folded like a film and is folded out or expanded by the first medium penetrating into the second chamber 9 through the discharge opening 11 and in this way displaces the second medium, which then emerges from the second opening 12 out of the second chamber 9 emerges.
- a separating element consisting of film-like material, rubber-like, latex-like or other expandable parts / materials for the separating element or parts thereof can also be used.
- Tubular or film-like packages filled with the second medium are also conceivable, which are placed in the second chamber. This type of packaging then forms the foldable or stretchable separating element.
- an additional mixing area 23 is attached to the housing 14, in which first and second medium by means of a swirling element mounted in it 24 such that they are mixed together as completely as possible.
- the mixing region 23 connected in this way extends the flow region 1, the outlet opening 3 of which is also the discharge opening of the mixing region 23.
- Attachable mixing areas are known as additional mixing elements in the form of so-called static mixers and as such do not form part of the invention. They are designed, for example, in the form of a tube in which a swirling element is arranged. However, if known mixing areas / elements are connected to the device according to the innovation, they are part of the device according to the invention.
- Such a housing design is particularly indicated in such cases when, for example, a chemical reaction of the two flow media is to be avoided when the mixing area is not connected downstream.
- the device or its housing 14 can thus advantageously be separated from the mixing area after partial use by means of releasable fastening elements 13, then set aside and, if necessary, further used with a new mixing area.
- 4 shows in section a further embodiment of the device with a preferably round housing 14 and the preferably also round first chamber 2 attached to it.
- the housing-side flow area 1 is here in the form of a channel element 6 which is centered on the first chamber opening 4 and preferably also has a round channel element wall 8 designed, which extends in the area to the housing entrance preferably only in partial section (s) in the flow area 1 of the first medium and thus narrows it.
- two discharge openings 11 are arranged here, through which 11 a part of the first medium reaches the separating element 20, which is ring-shaped around the channel element wall 8 or partition wall 17, and drives this and so on Second medium displaced out of the second chamber 9 through the second opening 12.
- the channel element or its wall (s) extends into the first chamber opening.
- the discharge opening (s) can also be arranged in or on the first chamber opening itself.
- the first medium passes through the channel element 6 to the outlet opening 3, the second opening (s) 12 opening into the flow region in front of the outlet opening 3, so that the two flow media are brought together beforehand 3 and then the housing 14 in the case of at least one highly viscous flow medium as a common strand leave through exit 3.16.
- the second openings in the channel element wall 8 or chamber wall 10 one or more areas are created when the flow media are guided together with, for example, at least one highly viscous or viscous first medium, which are filled by the second medium.
- the strand of the first medium is provided at least in the region where the two flow media flow together with two likewise diametrically opposite segments of the second medium, the size of which depends on the size of the second openings.
- the housing can alternatively also be formed with walls that are at an angle to one another.
- the separating element can be arranged in a ring around an angled or round-shaped channel element or dividing wall.
- the regions of a rigid separating element facing the second chamber wall are accordingly also designed to be angular. If several second media are added to the first medium, the housing can have several secondary chambers, each containing the different secondary media or being infested with them.
- the second chamber can be divided into several sector-shaped by corresponding radially arranged partition walls
- Sub-chambers can be divided, in which, for example, a separating element with corresponding sector-like sections is arranged.
- each second chamber has an filling area for the second medium and at least one discharge opening for the incoming first medium and at least one
- Second opening is assigned to the outlet of the second medium.
- the housing 14 here consists of an upper part 25 and a lower part 26, which are (not) by means of suitable fastening element (s) 13 shown) can be attached to each other, such as by means of a screw, clamp, snap-in, plug-in connection or in the manner of a bayonet lock or a combination of at least two of these elements, connections or parts thereof.
- the flow region extends from the first chamber 2 to the outlet opening 16 located on the upper housing part 25, which is preceded by a mixing region 23, which here is provided with a swirling element 24 located in the flow region and is designed as a fixed component of the upper housing part 26.
- the flow area 1 on the housing side with the channel element wall 8 has one or more wall projections 27 directed into the flow area 1 of the first medium in the area in front of the second opening 12.
- the second medium is placed in the open housing 14 in the open annular second chamber 9, the filling area 18 of which lies between the channel element wall 8 or the partition wall 17 and the outer housing wall 28, and then closes it with the upper housing part 25 , which is also a sealing closure part 19 for the second chamber 9.
- the housing outer wall 28 thus also fulfills the function of part of the second chamber wall 8.
- the housing is to have a plurality of second chambers, these and their filling regions are formed by the outer wall 28 of the housing, by intermediate walls directed radially towards the channel element wall 8 or the partition wall 17 and by the channel element wall 8.
- Each individual second chamber is preferably also sealed with the upper housing part.
- the second chambers can also each have a separate or for all secondary chambers with an integral closure part are closed, the upper housing part being attached to the lower housing part with its exit opening.
- the strand of a preferably viscous or pasty first medium conveyed through the flow area reaches the projections 27 of the channel element wall 8 directed into the flow area 1 of the first medium before the second opening and is provided there with corresponding recesses which are aligned centrally in the flow area 1. These recesses give space for the supply of the second medium, which through the second opening 12 to the first medium does not have to displace part of it.
- the second opening (s) 12 are formed here by corresponding constructive measures between the upper housing part 25 and the lower housing part 26. However, they can also be arranged in parts of the upper housing part 25.
- the second medium propelled in the second chamber 9 by means of the separating element 20 is fed through the second opening (s) 12 to the first medium provided with the recesses and is brought together more closely and in a networked manner in the downstream mixing region 23. It can then be fed to the application from the outlet opening 3.16 located on the upper housing part 25.
- the housing of the device is preferably designed here in such a way that its width or its outer diameter is equal to or smaller than the outer cross-section or outer diameter of the primary chamber or its outer wall, so that the housing does not impair visibility when the fluid media are placed cleanly.
- FIG. 6a illustrates in the sectional view of the channel element 7 in the area in front of the second opening 12 the projections 27 of the channel element wall 8 which are centered in the flow area 1.
- 6b illustrates the part of the flow region 1 which is connected downstream of the projections 27 of the channel element wall 8 and is designed with the second opening (s) 12.
- Fig. 7 also shows in section a device for merging at least two fluid media.
- the lower housing part 26 is attached here by means of attachment sections 31 located on its outer wall 28 and extending over the outer wall 30 of the first chamber 2 via corresponding fastening elements 13 (not shown), the housing entrance, the entrance 7 of the channel element 6 or the housing-side Flow area 1 is, at which Cleark ⁇ unmeröffhung 4 is attached.
- distribution element 32 which is preferably designed in a plate-like manner and is provided with openings / perforations (s) 33, by means of which the first medium should be acted upon as uniformly as possible on the side of the distribution element 32 facing the second medium.
- the number and design of the perforation (s) 33 and the shape of, for example, a concave or convex distribution element 32 can thus be different.
- the distribution element 32 can additionally be provided with a separating element on its side facing the second medium if premature contact of the two flow media is to be avoided and / or the uniform displacement of the second medium out of the second chamber is to be improved.
- the discharge openings 11 are arranged here in a flow region 1 running parallel to the first chamber opening wall 5 and the channel element wall 8, the housing inlet wall 29 being attached over the first chamber opening wall 5.
- a counterpressure in the flow area 1 of the first medium is caused due to the mixing area 23 arranged in the channel element 6 on the housing outlet side, which causes part of the first medium to escape through the discharge opening (s) 11 into the second chamber 9.
- the build-up of the back pressure does not depend on a mixing area downstream of the discharge opening (s). In addition or as an alternative, it can also be restricted by narrowing the flow area between the discharge opening and the outlet opening of any kind, for example by reducing the diameter / cross section of the channel area or by other design measures such as e.g. the projections 27 on FIGS. 5 and 6a are caused on the channel element wall 8.
- the upper housing part 25 is provided with a connecting piece 34, which comprises the channel element wall 8 located in the lower housing part 26 and in partial areas has one or more recesses 35 which form the second opening (s) 12.
- the second openings 12 can also or additionally be caused by recesses in the channel element wall 8.
- the proportions of the first and second medium are defined.
- At least partially radially formed opening (s) are preferably provided in order to ensure a uniform flow behavior of the to effect respective flow medium.
- the opening (s) for example in the wall of the channel element or the flow area, can be accompanied by narrowing (s) and / or widening (s) of the cross section.
- they can be designed in a step-like and / or protruding manner as a diversion or discharge area (s) and / or as diagonal diaphragm guides for the respective flow medium in order to effect or facilitate the entry of the media into the areas intended for them.
- a constructive configuration can also cause the second opening (s) by appropriate measures between components of the upper housing part and the channel element located in the lower housing part or the walls thereof.
- the flow area with the channel element walls can be formed as part of the upper housing part and / or the lower housing part or as a separate molded part inserted into the housing.
- the opening area of the first chamber - as shown in FIGS. 8 and 9 - can also form at least part of the flow area or the channel element on the housing side.
- the invention encompasses all possible configurations of the flow area, the discharge and second opening (s) if the desired discharge of the first medium into the at least one second chamber and the exit of the at least one second medium from the at least one second chamber is given.
- the lower housing part 26 and the first chamber 4 are integrally formed with one another, the outer wall 30 of the first chamber 2 extending beyond the first chamber 2 and forming the outer wall 28 of the lower housing part 26 or part of the second chamber wall 8 there.
- the discharge opening (s) 11 are arranged here in the intermediate wall 36 connecting the first chamber opening wall 5 with the first chamber outer wall 30, so that the first medium passes directly from the first chamber 2 into the second chamber 9 and the second medium there directly or indirectly via a separating element (s). 20 advances.
- the first chamber opening 4 extends here with its wall 5 into the housing 14 and there at least partially forms the flow area 1.
- the second opening (s) 12 for the exit of the second medium from the second chamber 9 are here by constructive measures between components of the upper housing part 26 and first chamber opening wall 5 , which is at the same time channel element wall 8, part of the second chamber wall 10 and partition 17. However, they can also be arranged in the first chamber opening wall 5 or exclusively in parts of the upper housing part.
- the outlet opening 3 of the flow region 1 is located at the housing outlet or, in the case of a downstream mixing region 23, at its discharge opening.
- Fig. 9 shows a further alternative embodiment of the device according to the invention for supplying at least two flow media.
- the lower housing part 26 and the first chamber 2 are integrally formed with each other.
- the rigid intermediate wall located between the first chamber opening wall 5 and the outer wall 30 has disappeared, so that the separating element 20 takes over the function of a movable intermediate wall 36.
- the position of the discharge opening 11 for the first medium is thus variable and is located on the side facing the first medium between the first chamber opening wall 5 and the outer wall 30 of the first chamber, in accordance with the respective position of the movable intermediate wall 36 or the separating element 20 designed as a movable intermediate wall.
- a development of the embodiment mentioned in FIG. 9 provides support sections at the border between the first chamber and the second chamber, by means of which the movable intermediate wall or the separating element is placed in a defined manner before filling the first and / or second chamber, so that the volume of the first chamber and the Second chamber is precisely specified.
- Embodiments of the device can also be used in which discharge openings are arranged both in the flow area provided for the first medium and in the area between the first chamber opening and the outer wall of the first chamber.
- a further possible embodiment of the device provides a cascade-like switching of a plurality of housings, the flow medium consisting of at least two flow media which are led together from the first flow area forming the first medium for the downstream flow area.
- the outlet opening of the first flow area thus opens into the downstream flow area, to which the second medium emerging from a correspondingly downstream at least one second chamber is then fed.
- This type of device for bringing together at least two flow media is indicated for the cases in which a connection / reaction of the at least first two flow media to be carried out is to take place before the feed of a further flow medium.
- the device designed according to the invention can be operated until the second chamber receiving the second medium is filled with the first medium, the second medium having been displaced in whole or in part from the second chamber, or that which has been conveyed out of the first chamber through the flow area and partly into the at least one second chamber derived first medium was pressed or pressed out of the first chamber.
- the housing can then be cleaned of the first medium and any remaining stocks of the second medium and refilled with the second medium and be reused.
- the device according to the innovation is designed as a disposable article, preferably made of plastic materials, and is disposed of after use. In the technical area, this avoids expensive, possibly environmentally harmful chemicals / solvents etc. cleaning.
- a plastic housing can be used as often as required after cleaning. For this and as a single-use item, the designs of the device with housing for FIG.
- paste-like flow media can optionally be merged decoratively with second flow media, e.g. Cream with flowable chocolate.
- second flow media e.g. Cream with flowable chocolate.
- the two components of a two-component adhesive can optionally also be combined with a third coloring component. Sealants or adhesives can also be provided with color so that the seal or adhesive connection of two objects can be matched to the color of the objects.
- Another advantage of the device is that complex e.g. laminate-like packaging for flow media would react with the packaging with itself and / or the natural environment, and its structure or composition could be reduced. This may result in a cost saving in the packaging area and / or a conservation of the natural raw material resources, since the at least one second component of the first component is only carried out before the application and therefore does not result in the application medium until this point in time.
- Fig. 10 shows schematically the side view of an embodiment of the device according to the invention, which is placed on a first chamber 2, shown here as the head of a commercially available cartridge.
- the device consists of a lower part 26 and an upper part 25.
- the stream of the first flow medium emerging from the cartridge 2 is divided into two part flows, one of which is shown in the illustration in the direction of the flow region 1 to the left and the second in the first opening 11 to the right the second chambers 9 is directed.
- the flow medium entering the second chamber 9 flows against the trerm element 20 and moves it upward as the first medium continues to flow. It compresses a further flexible separating element 20 in which the second fluid medium is stored.
- An opening of the flexible partition member 20 is with the second opening 12 second chamber 9 tightly connected so that the second fluid medium emerges from the second opening 12 when the flexible separating element 20 is compressed.
- the other partial flow of the first flow medium flows into the flow area 1, into which a tubular extension 47 of the upper part 25 projects.
- this tube 47 has a lateral opening which is aligned with the channel-like continuation of the outlet 12.
- the outlet 46 of the combined flow media is arranged. From here, the media brought together flow through the mixing area 40, in which a static mixer 24 is arranged, and then on to the outlet opening 16 of the device.
- the housing wall is made transparent in the area of the second chamber, so that a viewing window 45 results.
- Fig. 12 is also a closure element, here a plug 42 is shown, with which the lower part 26 can be closed when the upper part 25 is separated so that the unmixed media are kept separate from each other before use or during application interruptions and against leakage or the unwanted Protect contact with the environment.
- a closure element here a plug 42 is shown, with which the lower part 26 can be closed when the upper part 25 is separated so that the unmixed media are kept separate from each other before use or during application interruptions and against leakage or the unwanted Protect contact with the environment.
- FIG. 13 shows a top view of the cut lower part 26, the arrangement of the various components to each other.
- the second chamber 9, which in this case has a round cross section, is arranged next to the flow area 1, which in this case has the cross section of a radially delimited ring segment.
- a space 41 can be seen in which, for example, desiccants can be provided; a connection between this space 41 and the flow media must be provided for their effectiveness.
- the viewing window 45 is also clearly recognizable.
- FIG. 14 shows the top view of the upper part 25 cut along the line VV.
- FIGS. 14 and 15 clearly show that the an-usanimen media are led from the outlet opening 46 into a channel-like mixing section 43, which through a part-circular wall is formed, which has a connection to the outer wall immediately adjacent to the outlet 46. Deflection / swirling elements 44 are indicated within the mixing section 46. When the merged media have passed through this channel 43, they enter the central area of the mixing area, well mixed, above which the outlet openings 16 of the device 14 are located. If a very long mixing device is required, the channel 43 can also be helically guided over more than one level before it opens into the outlet 16.
- FIG. 16 shows the lower part 26 of another embodiment of the device 14 according to the invention.
- the main difference from the embodiment according to FIGS. 10 and 12 lies in the fact that the second opening 12 of the second chamber 9 is connected to a channel 50 which again the second fluid medium leads backwards against the general flow direction.
- This channel 50 shows in the lower region an outlet opening 51 which is aligned with a corresponding opening in the wall of the flow region 1. If the second flow medium exits through the outlet opening 51 into the flow area 1, it is brought together with the first flow medium in the front part of the flow area 1 in the direction of flow and passed upwards through the flow area 1.
- Deflection / swirling elements 52 can already be provided inside the flow area 1, which lead to premixing before the combined media enter the mixing area 40 of the upper part 25 in the area of the outlet 46.
- the second flow medium can also be guided into the middle of the flow of the first flow medium by means of a correspondingly shaped channel extension 53, which can also be expediently arranged on the pipe or separating element 47, which can be advantageous given certain consistencies of the two flow media can.
- the channel 50 can on the one hand be guided radially to the flow area 1 or 50 'radially into a space 41', from which a connection through the side partitions to the flow area 1 is provided .
- the tubular extension 47 of the upper part 25, which projects into the flow area 1, is a possible embodiment of a separating element by which the parts of the lower part 26 are protected from direct contact with the flow media brought together.
- the upper part 25 can advantageously consist of two parts which are rotatably inserted into one another and thereby make it possible for the inner part to be fixed in place on the lower part 26 while the outer part of the upper part 25 is rotated and is fixed to the lower part 26 either via a thread or a bayonet-type closure.
- a deflection element 53 is shown, which is formed from hollow webs 54 and whose inner channels connect to the elements 12 and 50, 51, respectively in which the second fluid medium is guided.
- Deflection element (53) has the advantageous effect that the webs divide the Sfrom of the first pressing medium and the partial streams are squeezed through the window-like segments in order to converge again into a Sfrang in the flow direction behind the deflection element.
- the second flow medium running at least at one point into the spaces between the partial fronts is distributed evenly over a previous separating surface.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating Apparatus (AREA)
- Paper (AREA)
- Prostheses (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Multiple-Way Valves (AREA)
- Nozzles (AREA)
- Reciprocating Pumps (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK95915747T DK0755300T3 (da) | 1994-04-09 | 1995-04-07 | Fremgangsmåde og indretning til sammenføring af mindst to flydemedier |
US08/722,267 US6079871A (en) | 1994-04-09 | 1995-04-07 | Method and device for combining at least two fluid media |
EP95915747A EP0755300B1 (de) | 1994-04-09 | 1995-04-07 | Verfahren und vorrichtung zum zusammenführen wenigstens zweier fliessfähigen medien |
CA002187549A CA2187549C (en) | 1994-04-09 | 1995-04-07 | Method and device for combining at least two flow media |
HU9602761A HU219006B (hu) | 1994-04-09 | 1995-04-07 | Eljárás és készülék, legalább két folyóképes közeg összevezetésére |
DE59502653T DE59502653D1 (de) | 1994-04-09 | 1995-04-07 | Verfahren und vorrichtung zum zusammenführen wenigstens zweier fliessfähigen medien |
SK1281-96A SK280921B6 (sk) | 1994-04-09 | 1995-04-07 | Zariadenie na spájanie aspoň dvoch kvapalných médií a spôsob ich spájania |
JP52601495A JP3625829B2 (ja) | 1994-04-09 | 1995-04-07 | 少なくとも2つの流動媒体を組み合わせる方法および装置 |
PL95316729A PL176626B1 (pl) | 1994-04-09 | 1995-04-07 | Sposób i urządzenie do zmieszania co najmniej dwóch płynów plastycznych |
KR1019960705624A KR100297273B1 (ko) | 1994-04-09 | 1995-04-07 | 두개이상의유체매체를결합하는방법및장치 |
MXPA/A/1996/004677A MXPA96004677A (en) | 1994-04-09 | 1996-10-09 | Procedure and device to combine at least two means of fl |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4412261.6 | 1994-04-09 | ||
DE4412261A DE4412261C2 (de) | 1994-04-09 | 1994-04-09 | Vorrichtung zum Zusammenführen wenigstens zweier Fließmedien |
DE19507448A DE19507448A1 (de) | 1994-04-09 | 1995-03-03 | Vorrichtung zum Zusammenführen wenigstens zweier Fließmedien |
DE19507448.3 | 1995-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995027558A1 true WO1995027558A1 (de) | 1995-10-19 |
Family
ID=25935481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1995/000462 WO1995027558A1 (de) | 1994-04-09 | 1995-04-07 | Verfahren und vorrichtung zum zusammenführen wenigstens zweier fliessmedien |
Country Status (15)
Country | Link |
---|---|
US (1) | US6079871A (de) |
EP (1) | EP0755300B1 (de) |
JP (1) | JP3625829B2 (de) |
KR (1) | KR100297273B1 (de) |
CN (1) | CN1050068C (de) |
AT (1) | ATE167639T1 (de) |
CA (1) | CA2187549C (de) |
CZ (1) | CZ294303B6 (de) |
DE (3) | DE4412261C2 (de) |
DK (1) | DK0755300T3 (de) |
ES (1) | ES2118591T3 (de) |
HU (1) | HU219006B (de) |
PL (1) | PL176626B1 (de) |
SK (1) | SK280921B6 (de) |
WO (1) | WO1995027558A1 (de) |
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DE19730424A1 (de) * | 1997-07-16 | 1999-01-21 | Henkel Teroson Gmbh | Vorrichtung zum Lagern und Auspressen von fließfähigen Zusammensetzungen |
KR20030095488A (ko) * | 2002-06-10 | 2003-12-24 | 박인규 | 유체 결합장치 |
EP1760128A1 (de) * | 2005-09-02 | 2007-03-07 | Sika Technology AG | Wässrige zweikomponentige Organoalkoxysilanzusammensetzung |
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USD599879S1 (en) | 2007-09-21 | 2009-09-08 | Johnsondiversey, Inc. | Fluid dispenser |
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CN101543735A (zh) * | 2009-04-29 | 2009-09-30 | 珠海市绿田机械有限公司 | 流体分配装置 |
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US8870028B2 (en) * | 2012-05-25 | 2014-10-28 | Restek Corporation | Dispensing device |
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US9066636B2 (en) | 2012-06-26 | 2015-06-30 | Gojo Industries, Inc. | Grit and foam dispenser |
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EP2975487B1 (de) | 2014-07-17 | 2016-10-05 | Jürgen Hoffner | Vorrichtung zum Dosieren und Mischen zweier fließfähiger Komponenten |
US20170252996A1 (en) * | 2016-03-03 | 2017-09-07 | Juicero, Inc. | Juicer cartridge with secondary flow channel |
WO2018050482A1 (de) * | 2016-09-13 | 2018-03-22 | Chemetall Gmbh | Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen |
CN110869110B (zh) * | 2017-07-14 | 2022-11-18 | 3M创新有限公司 | 用于输送多个液体流的适配器 |
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CN112246173B (zh) * | 2020-09-29 | 2022-11-04 | 广州市爱百伊生物技术有限公司 | 一种配料罐及生产线 |
CN115183027B (zh) * | 2021-04-06 | 2024-08-16 | 恒洁卫浴集团有限公司 | 阻垢除垢模块、阻垢除垢淋浴设备及阻垢除垢淋浴龙头 |
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EP0133143A1 (de) * | 1983-07-21 | 1985-02-13 | Roland Waldner | Tragbarer Apparat zum Einspritzen und Mischen einer Flüssigkeit in eine Wasserleitung |
US4736769A (en) * | 1987-07-28 | 1988-04-12 | Louis Belanger | Device for introducing an additive liquid into a carrier liquid flowing in a pipe |
US4974634A (en) * | 1989-06-19 | 1990-12-04 | Agulia John T | Liquid fertilizer metering system |
GB2246172A (en) * | 1990-07-12 | 1992-01-22 | Exchem Plc | Compartmental cartridge |
US5129730A (en) * | 1991-03-25 | 1992-07-14 | Csb Limited Partnership, A Wisconsin Limited Partnership | Fluid mixing device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19730424A1 (de) * | 1997-07-16 | 1999-01-21 | Henkel Teroson Gmbh | Vorrichtung zum Lagern und Auspressen von fließfähigen Zusammensetzungen |
US6315166B1 (en) | 1997-07-16 | 2001-11-13 | Henkel Tenoson Gmbh | Device for storing and squeezing out free-flowing compositions |
KR20030095488A (ko) * | 2002-06-10 | 2003-12-24 | 박인규 | 유체 결합장치 |
EP1760128A1 (de) * | 2005-09-02 | 2007-03-07 | Sika Technology AG | Wässrige zweikomponentige Organoalkoxysilanzusammensetzung |
US8128748B2 (en) | 2005-09-02 | 2012-03-06 | Sika Technology Ag | Aqueous two-component organoalkoxysilane composition |
Also Published As
Publication number | Publication date |
---|---|
DE19507448A1 (de) | 1996-09-05 |
DE4412261A1 (de) | 1995-10-26 |
HU9602761D0 (en) | 1996-12-30 |
JP3625829B2 (ja) | 2005-03-02 |
DE59502653D1 (de) | 1998-07-30 |
CN1147212A (zh) | 1997-04-09 |
SK128196A3 (en) | 1997-04-09 |
HUT76023A (en) | 1997-06-30 |
CN1050068C (zh) | 2000-03-08 |
DE4412261C2 (de) | 1996-10-17 |
MX9604677A (es) | 1997-11-29 |
ES2118591T3 (es) | 1998-09-16 |
DK0755300T3 (da) | 1999-04-06 |
JPH09511442A (ja) | 1997-11-18 |
ATE167639T1 (de) | 1998-07-15 |
CA2187549A1 (en) | 1995-10-19 |
HU219006B (hu) | 2001-01-29 |
CZ294303B6 (cs) | 2004-11-10 |
SK280921B6 (sk) | 2000-09-12 |
PL176626B1 (pl) | 1999-07-30 |
PL316729A1 (en) | 1997-02-03 |
CZ295196A3 (en) | 1997-03-12 |
EP0755300B1 (de) | 1998-06-24 |
KR100297273B1 (ko) | 2001-09-03 |
KR970702098A (ko) | 1997-05-13 |
US6079871A (en) | 2000-06-27 |
EP0755300A1 (de) | 1997-01-29 |
CA2187549C (en) | 2005-10-11 |
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