EP2833991A1 - Mélangeur à pulvérisation permettant de mélanger et de pulvériser deux composants fluides - Google Patents

Mélangeur à pulvérisation permettant de mélanger et de pulvériser deux composants fluides

Info

Publication number
EP2833991A1
EP2833991A1 EP13718566.6A EP13718566A EP2833991A1 EP 2833991 A1 EP2833991 A1 EP 2833991A1 EP 13718566 A EP13718566 A EP 13718566A EP 2833991 A1 EP2833991 A1 EP 2833991A1
Authority
EP
European Patent Office
Prior art keywords
mixer
compressed air
spray
cartridge
mixing
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
Application number
EP13718566.6A
Other languages
German (de)
English (en)
Other versions
EP2833991B1 (fr
Inventor
Jörg Müller
Richard LAVELANET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sulzer Mixpac AG filed Critical Sulzer Mixpac AG
Priority to EP13718566.6A priority Critical patent/EP2833991B1/fr
Publication of EP2833991A1 publication Critical patent/EP2833991A1/fr
Application granted granted Critical
Publication of EP2833991B1 publication Critical patent/EP2833991B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/47—Mixing liquids with liquids; Emulsifying involving high-viscosity liquids, e.g. asphalt
    • 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
    • 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
    • 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
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • 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
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2491—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2497—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device several liquids from different sources being supplied to the discharge device
    • 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
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2472—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device comprising several containers
    • 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
    • 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
    • B05C17/00566—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 with a dynamic mixer in the nozzle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/924—Significant dispersive or manipulative operation or step in making or stabilizing colloid system
    • Y10S516/928—Mixing combined with non-mixing operation or step, successively or simultaneously, e.g. heating, cooling, ph change, ageing, milling

Definitions

  • Spray mixer for mixing and spraying of at least two flowable
  • the invention relates to a spray mixer for mixing and spraying at least two flowable components according to the preamble of claim 1.
  • the components to be mixed are usually supplied to such mixers from a multi-component cartridge.
  • the mixer is arranged at a cartridge outlet opening, via which the components to be mixed can be discharged from containers of the multi-component cartridge.
  • Spray mist can be applied to the desired substrate.
  • This technology especially higher-viscosity coating media, for.
  • polyurethanes, epoxy resins or the like can be processed.
  • a spray mixer for such applications is disclosed, for example, in US Pat. No. 6,951,310 or EP 2 286 925 A2.
  • a tubular mixer housing is provided which extends in the direction of a mixer longitudinal axis from a mixer start to a distal mixer end.
  • the mixer housing houses a mixing element for static mixing.
  • a sleeve is arranged, which can be supplied via a perpendicular to the mixer longitudinal axis oriented mixer-compressed air inlet compressed air.
  • the said sleeve and the mixer housing form a mixer compressed air channel, which is closed in the direction of the mixer start and at the mixer end has an annular mixer compressed air outlet, which encloses a mixer outlet opening.
  • compressed air is supplied via the mixer compressed air inlet, which flows via the mixer compressed air channel to the mixer compressed air outlet and atomizes the material emerging from the mixer outlet opening.
  • Hoses or lines of the coating system such as with the above-described compressed air hose to projections of the component to be coated gets stuck. On the one hand, the said hoses and lines can be damaged, resulting in failure of the coating system and thus repair costs and
  • a spray mixer which has a handle and a mixer outer housing in the form of a sleeve.
  • the handle and the sleeve are made of aluminum.
  • a plastic mixer which consists of a mixer inner housing and a mixing element arranged therein, can be placed on the handle.
  • the sleeve can be slipped over the mixer and bolted to the handle.
  • Compressed air channel via the compressed air from the handle can be led to an outlet.
  • the mixer is intended only for single use, the sleeve is used several times.
  • the handle has connections for the flowable components and compressed air.
  • US 4,255,125 describes a sputtering apparatus for a combustible with a combustible feed and another sputtering gas feed.
  • the combustible material and the Zerstäubergas be brought together within the sputtering in a sputtering chamber and then by a
  • a spray mixer for mixing and spraying of at least two flowable components, which is easy to handle.
  • the object is achieved by a spray mixer with the features of claim 1.
  • the spray mixer for mixing and spraying at least two flowable components has a tubular
  • a mixer outer housing extending in the direction of a mixer longitudinal axis from a mixer start to a distal mixer end.
  • mixer inner housing at least one in Mixer inner housing arranged mixing element for mixing the components and a mixer-compressed air channel, which extends from a mixer-compressed air inlet to a mixer outlet opening.
  • the mixer compressed air inlet is located at the mixer start.
  • the mixer compressed air channel extends from the mixer start to the mixer end along the spray mixer.
  • this is usually arranged on a multi-component cartridge and protrudes away from it. Due to the arrangement of the mixer-compressed air inlet at the mixer start is no compressed air supply to the mixer end and thus no
  • Hose to the mixer end necessary.
  • the spray mixer can be introduced into narrow spaces without the risk that a compressed air hose hooked somewhere.
  • the compressed air supply to the mixer-compressed air inlet can be made perpendicular to the mixer longitudinal axis. But it can also be inclined relative to the mixer longitudinal axis and in particular in the direction of the mixer longitudinal axis.
  • a mixer inner housing is arranged, which receives the mixing element.
  • the mixer compressed air channel is formed between mixer inner housing and mixer outer housing.
  • Gap forms, which is used as a mixer compressed air channel. This results in a particularly simple construction of the spray mixer.
  • the mixer outer housing the mixer outer housing
  • the mixer outer housing, the mixer inner housing and the mixing element are connected to each other captive.
  • the individual components via an interaction of corresponding recesses or grooves and Noses or beads mutually fixed.
  • fixations are also referred to as clip or click connections.
  • the entire spray mixer forms a structural unit that is distributed as a unit. This is the setting up or connecting the spray mixer to a
  • Multi-component cartridge particularly simple because the said parts do not have to be assembled first, but the spray mixer can be used without previous assembly.
  • the spray mixer is intended to be connected in one step with a multi-component cartridge.
  • a multi-component cartridge By this is to be understood that without a previous assembly of individual component can be connected to the multi-component cartridge.
  • the spray mixer has a mixer inlet connection which is arranged at the mixer start and which is connected to a cartridge outlet connection of a multicomponent cartridge
  • the mixer inlet connection has at least one mixer inlet opening, via which the components can be supplied. It also includes the mixer air inlet.
  • Compressed air are produced, which allows a particularly simple handling of the spray mixer, since only one step is necessary to connect the spray mixer to the multi-component cartridge.
  • the spray mixer can be connected directly to the cartridge outlet connection of the multicomponent cartridge. But it is also possible that the connection takes place by means of a suitable connecting element, for example in the form of matching hoses.
  • the mixer input connection is oriented in particular in the direction of the mixer longitudinal axis.
  • This is meant that the components and the compressed air in the direction of the mixer longitudinal axis through the mixer Flow inlet connection. This achieves a particularly compact construction of the spray mixer.
  • the mixer input connection has two separate mixer inlet openings, that is to say a separate mixer inlet opening for each component. This enables a particularly effective mixing of the two components. If more than two components are to be mixed and sprayed with the spray mixer, the mixer input connection has a separate one, in particular for each component
  • the mixing element is designed in particular as a static mixing element.
  • a static mixer In contrast to a dynamic mixer, which has a rotating mixing element for mixing the components, a static mixer has a fixed mixing element, which allows by its special geometry efficient mixing of the components. This allows a particularly cost-effective design of the spray mixer.
  • the mixing element and the mixer input port are made in one piece.
  • the spray mixer has very few items, which makes its manufacture and its installation particularly simple and inexpensive. But it is also possible that the mixing element and the mixer input port are designed as two separate components.
  • the mixer outer housing the mixer outer housing
  • the spray mixer has a particularly low weight and is also inexpensive to manufacture.
  • the components may for example be made of polypropylene, polyamide, polycaprolactam (polyamide 6) or
  • Fig. 1 is a multi-component cartridge for receiving Fig. 1 a
  • Multi-component cartridge for holding flowable
  • Fig. 2 a connected to a multi-component cartridge
  • Fig. 3 shows a dispensing device for a multi-component cartridge of Fig. 1 and
  • a multi-component cartridge 10 has a first container 11 for receiving a first component and a second container 12 for receiving a second component.
  • the first and the second container 1 1, 12 have a cylindrical basic shape with a first cylinder axis 13 and a second cylinder axis 14.
  • the two containers 1 1, 12 are arranged parallel to the axis side by side.
  • the containers 1 1, 12 are connected to each other and have a minimum distance from each other. This results in a notch 15 between the two containers, which extends parallel to the two cylinder axes 13, 14.
  • Multi-component cartridge 10 is thus designed as a so-called side-by-side cartridge.
  • the container 1 1, 12 of the multi-component cartridge 10 have a same diameter.
  • a mixing ratio of the components when discharging from the containers 1 1, 12 is thus 1: 1.
  • the filling openings 16, 17 are closed in the illustration of FIG. 1, each with a piston 18, 19.
  • the pistons 18, 19 are used after filling the container 1 1, 12.
  • By moving the pistons 18, 19 away from the filling openings 16, 17, the components can be discharged via two cartridge outlet openings, which are arranged on a side of the multicomponent cartridge 10 opposite the filling openings 16, 17.
  • the cartridge openings are in the
  • Cartridge compressed air channel 20 The cartridge compressed air channel 20 has a circular cross section and runs from a cartridge compressed air inlet 21 to a cartridge cartridge, not shown in FIG. Compressed air outlet.
  • the cartridge compressed air inlet 21 is arranged in a plane with the filling openings 16, 17 of the container 1 1, 12.
  • the cartridge compressed air outlet is located in the area of the cartridge outlet openings.
  • the cartridge compressed air channel 20 thus extends over the entire length of the container 1 1, 12 and thus also the multi-component cartridge 10th
  • the first container 1 1, the second container 12 and the compressed air channel 20 are made in one piece. In addition, no separate components are necessary for the cartridge outlet openings and the cartridge compressed air outlet, not shown, so that thus the entire
  • Multi-component cartridge 10 is made in one piece.
  • Multi-component cartridge 10 is made of plastic by an injection molding method.
  • plastic for example, polypropylene, polyamide, polycaprolactam (polyamide 6) or polybutylene terephthalate can be used for this purpose.
  • polypropylene, polyamide, polycaprolactam (polyamide 6) or polybutylene terephthalate can be used for this purpose.
  • a spray mixer 22 is arranged.
  • the spray mixer 22 is connected to the multi-component cartridge 10 via a cartridge outlet connection (not shown in FIG. 1)
  • the spray mixer 22 for mixing and spraying at least two flowable components is shown in FIG. 2 in a sectional view. The section extends with respect to FIG. 1 between the two containers 1 1, 12 parallel to the cylinder axes 13, 14. In FIG. 2, a small part of the multi-component cartridge 10 is also shown. A portion of the container 1 1 of the multi-component cartridge 10, which lies behind the cutting plane is shown dotted for clarity.
  • the spray mixer 22 has a mainly tubular
  • Mixer outer housing 23 which extends in the direction of a mixer longitudinal axis 24 from a mixer start 25 to a distal mixer end 26. At the mixer beginning 25 of the spray mixer 22 with the
  • Multi-component cartridge 10 connected.
  • the mixer outer housing 23 has a constant cross section in a central region and tapers slightly towards the mixer end 26. On the opposite side to the mixer start 25, the mixer outer housing 23 widens and forms part of a mixer input port 27, by means of which the spray mixer 22 is connected to a cartridge outlet port 28 of the multi-component cartridge 10.
  • a mixer inner housing 29 is arranged, which has a contour of the mixer outer housing 23 corresponding outer contour, so that between the mixer outer housing 23 and the mixer inner housing 29 a
  • the mixer compressed air channel 30 can be fed via a mixer-compressed air inlet 31, which also forms part of the mixer input port 27, compressed air.
  • the mixer-compressed air inlet 31 is thus arranged at the mixer start 25.
  • the compressed air is conducted via the mixer compressed air channel 30 to a mixer compressed air outlet 32, which is located at the mixer end 26.
  • a static mixing element 33 is arranged, which serves for mixing of the two components.
  • Mixing element 33 is designed in one piece with a mixer inlet opening 34, via which a first component can be supplied to the spray mixer 22.
  • the mixing element 33 still has a second one
  • the mixer inlet 34 has a circular cross section and also forms part of the mixer input port 27th
  • the two mixer inlet openings are with corresponding
  • Cartridge outlet openings connected, wherein in FIG. 2, only one cartridge outlet opening 36 can be seen, which is connected to the mixer inlet opening 34.
  • the cartridge exit port 36 is part of the cartridge exit port 28.
  • the mixer inner housing 29 has a mixer outlet opening 35, via which the components mixed by the mixing element 33 can leave the mixer inner housing 29.
  • the mixer compressed air outlet 32 is arranged around the mixer outlet opening 35.
  • the mixed components exiting the mixer outlet 35 are atomized and sprayed.
  • grooves or the like can additionally be arranged, which provide for a swirling of the compressed air and thus to an effective atomization of the mixed components.
  • the mixer compressed air inlet 31 is connected to a cartridge compressed air outlet 37 of the multicomponent cartridge 10, which supplies compressed air from the cartridge compressed air channel 20.
  • the cartridge compressed air channel 20 bends towards towards mixer longitudinal axis 24.
  • the mixer compressed air inlet 31 and the cartridge compressed air outlet 37 have an annular cross section and are arranged around the mixer inlet openings 34 and the cartridge outlet openings 36.
  • the mixer compressed air inlet 31 is part of the mixer inlet port 27 and the cartridge compressed air outlet 37 is a part of the cartridge outlet port 28.
  • Mixer longitudinal axis 24 are thus oriented in the direction of the mixer longitudinal axis 24.
  • the connection between the mixer inlet port 27 and the cartridge outlet port 28 is secured by a union nut 38 disposed around the mixer compressed air inlet 31 and the cartridge compressed air outlet 37.
  • a union nut 38 disposed around the mixer compressed air inlet 31 and the cartridge compressed air outlet 37.
  • the union nut other fuses, such as a bayonet lock are possible.
  • the mixer outer housing 23, the mixer inner housing 29 and the mixing element 33 are connected to each other via known per se, not shown click connections with each other and are thus combined in a single unit.
  • the mixer input port 27 and the union nut 38 is captively connected to the other components, so that the entire spray mixer 22 forms a structural unit.
  • Multi-component cartridge 10 is placed and then secured the connection with the union nut 38. Setting up and saving is considered as one step in this process.
  • the individual components of the spray mixer 22 are by means of a
  • plastic for example, polypropylene, polyamide, polycaprolactam (polyamide 6) or polybutylene terephthalate can also be used for this purpose.
  • polypropylene, polyamide, polycaprolactam (polyamide 6) or polybutylene terephthalate can also be used for this purpose.
  • FIG. 3 diagrammatically shows a discharge device 40 in a sectional view.
  • the dispensing device 40 has a receiving element 41 for receiving a multi-component cartridge.
  • the receiving element 41 has a rectangular cross-section. Via a not-shown opening of the receiving element 41, a multi-component cartridge can be inserted from above into the receiving element 41.
  • the receiving member 41 On a front side 42 of the Austrag réelles 40, the receiving member 41 has an opening 43 which is positioned so that the cartridge output terminal of the
  • Multi-component cartridge can protrude through the opening 43.
  • the dispensing device 40 has a first actuating element 44 and a second actuating element 45.
  • the first actuating element 44 is arranged so that it can move the piston of the first container with an inserted multi-component cartridge and actuate it.
  • the second actuating element 45 is arranged so that it can move the piston of the second container with an inserted multi-component cartridge and actuate it.
  • the two actuating elements 44, 45 each have an actuating rod 46, 47, which can be displaced by means of compressed air in the direction of the opening 43.
  • the dispensing device 40 Arranged between the two actuating rods 46, 47 but in a different plane, the dispensing device 40 has a device compressed air outlet 48. Since the device compressed air output 48 is arranged in a different plane, it is shown in dashed lines in FIG. The device compressed air outlet 48 is arranged so that it is inserted when
  • the device compressed air output 48 is connected by means of a device compressed air channel 49 with a device compressed air input 50.
  • the discharge device 40 can be connected to a standard compressed air supply.
  • the device compressed air inlet 50 is arranged on a device handle 51, which is connected to the receiving element 41.
  • the device handle 51 serves to allow an operator to securely hold the dispenser 40.
  • an activation button 52 is arranged on the dispenser 51, by means of which the operator can trigger the dispensing, mixing and spraying of the components.
  • Fig. 4 is an alternative embodiment of a spray mixer
  • the spray mixer 122 according to FIG. 4 has a similar structure to that of the spray mixer 22 from FIG. 2. For this reason, only the
  • the spray mixer 122 of FIG. 4 has no annular mixer compressed air inlet, which is oriented in the direction of a mixer longitudinal axis 124. Instead, the
  • Spray mixer 122 has a mixer compressed air inlet 131 disposed at a mixer start 125 and oriented perpendicular to mixer longitudinal axis 124.
  • the mixer compressed air inlet 131 also opens into a mixer compressed air channel 130.
  • the spray mixer 122 can be connected to a standard compressed air supply.
  • a multicomponent cartridge, to which the spray mixer 122 of FIG. 4 can be connected, thus has no cartridge compressed air outlet, but only one or two cartridge outlet openings for the components.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un mélangeur à pulvérisation permettant de mélanger et de pulvériser au moins deux composants fluides. Le mélangeur à pulvérisation (22) comprend un carter extérieur de mélangeur (23) tubulaire qui s'étend dans le sens de l'axe longitudinal (24) du mélangeur du début (25) du mélangeur jusqu'à une extrémité distale (26) du mélangeur. A l'intérieur du carter extérieur de mélangeur (23) est agencé un carter intérieur de mélangeur (29) qui loge un élément mélangeur (33). Une entrée d'air comprimé (31) du mélangeur est agencée au niveau du début (25) du mélangeur. L'entrée d'air comprimé (31) du mélangeur est reliée par un canal d'air comprimé (30) du mélangeur à une sortie d'air comprimé annulaire (32) du mélangeur qui entoure une ouverture de sortie (35) du mélangeur. Lorsque le mélangeur à pulvérisation (22) fonctionne, de l'air comprimé passe par l'entrée d'air comprimé (31) du mélangeur et s'écoule par le canal d'air comprimé (30) du mélangeur vers la sortie d'air comprimé (32) du mélangeur et nébulise et pulvérise le produit sortant par l'ouverture de sortie (35) du mélangeur. De manière à ce que le mélangeur à pulvérisation soit facile à manier, le carter extérieur de mélangeur (23), le carter intérieur de mélangeur (29) et l'élément mélangeur (33) sont réunis sous la forme d'un module. A cette fin, les éléments ci-dessus sont reliés de manière imperdable.
EP13718566.6A 2012-05-14 2013-04-22 Mélangeur de pulvérisation destiné au mélange et à la pulvérisation d'au moins deux composants pouvant s'écouler Not-in-force EP2833991B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13718566.6A EP2833991B1 (fr) 2012-05-14 2013-04-22 Mélangeur de pulvérisation destiné au mélange et à la pulvérisation d'au moins deux composants pouvant s'écouler

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12167892 2012-05-14
PCT/EP2013/058281 WO2013171030A1 (fr) 2012-05-14 2013-04-22 Mélangeur à pulvérisation permettant de mélanger et de pulvériser deux composants fluides
EP13718566.6A EP2833991B1 (fr) 2012-05-14 2013-04-22 Mélangeur de pulvérisation destiné au mélange et à la pulvérisation d'au moins deux composants pouvant s'écouler

Publications (2)

Publication Number Publication Date
EP2833991A1 true EP2833991A1 (fr) 2015-02-11
EP2833991B1 EP2833991B1 (fr) 2018-01-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13718566.6A Not-in-force EP2833991B1 (fr) 2012-05-14 2013-04-22 Mélangeur de pulvérisation destiné au mélange et à la pulvérisation d'au moins deux composants pouvant s'écouler

Country Status (5)

Country Link
US (1) US9878335B2 (fr)
EP (1) EP2833991B1 (fr)
KR (1) KR20150013276A (fr)
CN (1) CN104428055A (fr)
WO (1) WO2013171030A1 (fr)

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Also Published As

Publication number Publication date
US20150102132A1 (en) 2015-04-16
WO2013171030A1 (fr) 2013-11-21
CN104428055A (zh) 2015-03-18
KR20150013276A (ko) 2015-02-04
US9878335B2 (en) 2018-01-30
EP2833991B1 (fr) 2018-01-31

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