EP1918020A2 - Dispositif de mélange pour mélanger des matériaux liquides, en particulier des mélanges de matériaux de construction - Google Patents

Dispositif de mélange pour mélanger des matériaux liquides, en particulier des mélanges de matériaux de construction Download PDF

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Publication number
EP1918020A2
EP1918020A2 EP07017573A EP07017573A EP1918020A2 EP 1918020 A2 EP1918020 A2 EP 1918020A2 EP 07017573 A EP07017573 A EP 07017573A EP 07017573 A EP07017573 A EP 07017573A EP 1918020 A2 EP1918020 A2 EP 1918020A2
Authority
EP
European Patent Office
Prior art keywords
mixing zone
tube
zone tube
mixing
zone
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.)
Withdrawn
Application number
EP07017573A
Other languages
German (de)
English (en)
Other versions
EP1918020A3 (fr
Inventor
Michael Duelli
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.)
Knauf PFT GmbH and Co KG
Original Assignee
Knauf PFT GmbH and Co KG
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 Knauf PFT GmbH and Co KG filed Critical Knauf PFT GmbH and Co KG
Publication of EP1918020A2 publication Critical patent/EP1918020A2/fr
Publication of EP1918020A3 publication Critical patent/EP1918020A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0862—Adaptations of mixing containers therefor, e.g. use of material, coatings
    • 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
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1145—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B01F27/1921—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements comprising helical elements and paddles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
    • B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0893—Mobile mixing devices, e.g. hanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
    • B28C5/1292—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with rotating stirring and feeding or discharging means fixed on the same axis, e.g. in an inclined container fed at its lower part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/12—Supplying or proportioning liquid ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use

Definitions

  • the invention relates to a device for mixing flowable materials, especially building material mixtures, such as plasters, fillers, leveling compounds, mortars, primers and primer, building materials and building materials.
  • building material mixtures such as plasters, fillers, leveling compounds, mortars, primers and primer, building materials and building materials.
  • PFT Ritmo mixing pumps are available on the market and thus known for mixing and pumping flowable building material mixtures such as interior plaster, finishing plaster, fillers, leveling compounds, smoothing filler, Zargenmörtel, masses for full thermal insulation, renovation mortar and emulsion paints and primers and primers for the Application of plaster or mortar on walls and ceilings, especially concrete or stone, can be used.
  • These known mixing pumps comprise diagonally stacked, seen from top to bottom, first an electric motor with a mounted on the housing protective grid, including a hopper, which continues downwardly integrally into a mixing tube, and a subsequent to the mixing tube pump unit, at the Output connects to a delivery line with a built-in pressure gauge.
  • the protective grid is placed on the funnel at its upper edge.
  • mixing tube two filler necks are arranged in the flow direction above or behind each other for filling a liquid, in particular water.
  • a motor-driven rotary assembly Connected to the motor is a motor-driven rotary assembly having a mixing coil in the hopper for mixing the material filled into the hopper and in the subsequent mixing tube another mixing and conveying coil for mixing and conveying the hopper into the hopper Mixing tube introduced material with the introduced via the filler neck in the mixing tube liquid, especially water.
  • the mixing spiral for the hopper and the mixing and conveying spiral for the mixing tube are integrally connected to a mixing shaft.
  • the mixture produced in the mixing tube by the mixing and conveying spiral is then pumped by the pump unit into the delivery line via a screw pump rotor arranged therein, which is also a component of the rotary arrangement driven by the motor.
  • dry material is introduced through the hopper and then mixed with the liquid, usually water, in the mixing zone of the mixing tube and the resulting wet mix is then pumped through the screw pump.
  • the two liquid inlets on the mixing tube allow a flexible mixing intensity and thus the processing of many materials.
  • the conveying direction of the mixture in the device runs obliquely from top to bottom according to the arrangement of the rotary shaft.
  • the mixing tube is formed as well as the hopper made of steel.
  • the rotating within the mixing tube mixing spiral is also formed of steel.
  • a mixing tube cleaning shaft is provided, which is introduced for the cleaning process instead of the mixing shaft in the mixing tube and connected to the motor and scrapes the residues on the mixing tube wall when turning.
  • Out AT 385 309 B is a device for high-pressure delivery of rigid plastic, homogenized materials with a funnel-shaped container containing the building material and is separable by a slide of a mixing tube.
  • a rubber worm conveys the building material into a mixing chamber, which is heavily reinforced throughout the entire length with highly wear-resistant, smooth plastic or rubber.
  • This mixing chamber rich mixing water nozzles.
  • the mixing chamber is adjoined by the eccentric screw pump with integrated compensation chamber, which is driven by a motor via a split shaft.
  • the back part of the shaft is formed by the shaft of the rubber screw, the front part by the shaft of the shaft Mixing helix inside the mixing chamber.
  • a mixing shaft with a plurality of bars for uniform mixing of the mortar to prevent pressure surges is arranged.
  • the invention is based on the object of specifying a device for mixing flowable mixtures, in particular building material mixtures, with an easily cleanable mixing zone.
  • the invention is based in particular on the idea of arranging at least two separate mixing zone tubes at the mixing zone, of which the inner mixing zone tube encloses the mixing zone and thus comes into direct contact with the mixed or material to be mixed therein, while the outer mixing zone tube engages the inner mixing zone tube removably receives and does not come into direct contact with the material in the mixing zone and thus is not subject to the need for regular cleaning.
  • the contaminated by residues and deposits on its inner wall over time inner mixing zone tube is now on the one hand for cleaning the outer mixing zone tube removable and on the other hand elastic, so that the residues on the inner mixing zone tube after removal are easily mechanically removable.
  • the elastic design of the inner mixing zone tube usually reduces even the formation of residues during mixing, since the pipe wall during mixing can cooperate or mitverformen something.
  • the less elastic outer mixed zone tube in other developments according to the invention, other design tasks such as the absorption of forces or the attachment or connection with other components such as the intermediate zone or a pump unit, etc. and no longer needs to be adapted to the mixed material used.
  • Particularly preferred elastic materials for the inner mixing zone tube are materials based on at least one polymeric material, in particular a generally vulcanized rubber material (or: rubber) and / or an elastomeric material, for example a polyamide elastomeric material or a soft PVC material, the Hardness is preferably set to a Shore A hardness of between about 60 and about 100, preferably about 90.
  • the outer mixed-zone tube is preferably formed from a material which is significantly more rigid and harder and less elastic than the inner mixed-zone tube, preferably at least predominantly from a metallic material, in particular a steel, or else a fiber- and / or tissue-reinforced plastic.
  • the mixing zone tubes preferably have a circular cross-section or a hollow-cylindrical basic shape, but may also have other cross-sections and / or also be curved in addition to the preferred straight or axial design, for example in the case of flexible shafts.
  • a preferably circumferential clearance or gap is formed, wherein the distance between the mixing zone tubes is preferably selected between 1 mm and 10 mm, in particular 2 mm.
  • the inner mixing zone tube is placed in the outer mixing zone tube under a resilient bias or under elastic restoring forces. This is preferably accomplished by having the inner mixing zone tube axially longer in the unmounted and elastically demolded state by a predetermined amount than in the assembled state in which the inner mixing zone tube is axially elastically deformed and / or as the outer mixing zone tube, with a length difference of approximately 2 mm to 10 mm, in particular 4 mm, in absolute terms or 1% to 5%, in particular 2%, of the total length of the inner mixing zone tube is relatively preferred.
  • the inner mixing zone tube is located at least at one or both end faces on an associated mating surface, preferably sealingly, preferably under the effect of elastic restoring forces and / or the elastic bias of the inner mixing zone tube.
  • At least one end-side contact surface of the inner mixing zone tube and / or at least one counter-surface is at least partially conical, preferably widening conically outwards, to improve the sealing effect.
  • the feed zone is generally bounded by a feed zone wall, which is preferably at least partially funnel-shaped. It is now advantageous that the inner mixing zone tube abuts with an end face on the outside of the feed zone wall as counter surface, which allows a reliable seal. However, the end face of the inner mixing zone tube can also rest against an end face of the feed zone wall.
  • the outer mixing zone tube is preferably non-rotatably connected to the feed zone wall, in particular welded, or formed integrally therewith and / or preferably consists of the same material as the feed zone wall.
  • an attachment flange is detachably fixed or fixable in an advantageous structural solution at an end of the outer mixing zone tube facing away from the feed zone.
  • the attachment flange is preferably fixed via a screw connection, in particular, for example, by means of at least two screws which are preferably screwed in axially to the tube longitudinal direction on at least one attachment part arranged on the outside of the outer mixing zone tube.
  • the mounting flange has in each case at least one abutment or mating surface for the inner mixed-zone tube and / or the outer mixed-zone tube, in particular its or its end face (s), which can also be arranged axially offset from one another, wherein in particular the outer mating surface for the outer Mixing zone tube is located axially closer to the feed zone.
  • the mating surface on the mounting flange may drop obliquely outwards, while the associated end surface on the inner mixing zone tube runs essentially radially outward, which improves the sealing effect.
  • the procedure is such that the inner mixing zone tube inserted into the outer mixing zone tube protrudes from the outer mixing zone tube by a predetermined length before the fastening flange is fastened and is elastically compressed to a smaller length when the fastening flange is fastened.
  • the mixing zone is followed by a pump unit, in particular a screw pump unit, for pumping the mixture from the mixing zone into a delivery line or to an outlet.
  • the pump unit is preferably attached to the mounting flange and guided the screw pump rotor and the enclosure of the rotor through a flow channel or an opening in the mounting flange.
  • the mixing device can already promote the mixture, especially in embodiments in which no pump is present.
  • a mixing device for mixing the starting material may additionally be provided in the feed zone.
  • the inner mixing zone tube has at least one, preferably two, connecting pieces for connecting feed lines for a liquid starting material, for example water, which is or are integrally formed on the tube wall of the inner mixing zone tube and preferably made of the same material consists.
  • the outer mixing zone tube now has an opening (or: opening) for passing through the at least one connection piece of the inner mixing zone tube.
  • the breakthrough in the outer mixing zone tube is now preferably axially open towards one end of the mixing zone tube, preferably towards the end remote from the feed zone, so that when inserting or removing the inner mixing zone tube into the outer mixing zone tube, the orifice will axially insert into the breakthrough - and again executable or are and do not need to be deformed.
  • a coupling part, in particular of metallic material, for connecting a supply line and / or a nozzle, in particular of metallic material can be introduced or inserted in the at least one connecting piece.
  • the apparatus shown in FIG 1 for mixing flowable materials or mixtures is preferably provided for mixing building material mixtures and comprises in an arrangement obliquely one above the other from top to bottom viewed a feed zone 2, a mixing zone 4 and a pump unit 7 and an adjoining conveyor line 8 for transporting the building material mixture.
  • Typical building material mixtures are plasters, mortars, fillers, leveling compounds, primers and adhesion promoters, building material adhesives and building material inks.
  • the feed zone 2 is funnel-shaped with a rectangular upper base surface and has a corresponding funnel-shaped feed zone wall 3 which continues downwards, preferably via a conical transition region, into an adjoining outer mixed-zone tube 6 which encloses the mixing zone 4. Zuurbanzonenwandung 3 and outer mixed zone tube 6 are preferably made of a correspondingly thick steel sheet.
  • a drive motor 9 which rotatably drives a rotary assembly about a common axis of rotation A.
  • the rotary arrangement comprises a rotary shaft 10 coupled to the drive motor 9 and an adjoining mixing device 12 having two mixing blades 12A and 12B extending eccentrically and parallel to the rotation axis A and one around the mixing device 12 in the lower region or conical transition region the feed zone 2 to the mixing zone 4 towards extending mixing helix 11.
  • a screw rotor 13 of the pump unit 7 is rotatably coupled, for example via a slot-web connection.
  • an inner mixing zone tube 5 which consists of a mechanically resilient elastic material based on vulcanized rubber and / or an elastomer, for example based on polyamide elastomer or plasticizer, is inserted into the outer mixing zone tube 6.
  • PVC preferably having a hardness of 60 to 100, in particular about 90 Shore A.
  • the inner mixing zone tube 5 is preferably produced in a casting or injection molding process, in particular when using a thermoplastic elastomer.
  • the inner mixing-zone tube 5 encloses the mixing zone 4 completely with its essentially cylindrical tube wall 50 and has only two molded connecting pieces 51 and 52 on one side for supplying liquid starting material, typically water, into the Mixing zone 4 on.
  • the connecting pieces 51 and 52 are guided through an opening 65 shown in FIGS. 2 and 3 in the outer mixing-zone tube 6 to the outside.
  • a supply line (supply hose) 15 for supplying liquid starting material, for example water is connected only to the lower connecting piece 52.
  • the provision of two axially offset to the rotation axis A connecting pieces 51 and 52 allows the selective supply of the second starting material, typically water, to the coming of the feed zone 2 first starting material, usually a dry material or powder material in order to optimize the mixing process.
  • a fastening part 67 is attached as shown in FIG 1 to 3 and on the side remote from the feed zone 2 lower side, a mounting flange 17 is attached to the outer mixing zone tube 6 from below by means of screws 22 with the fastening part 67 is releasably secured to the outside of the outer mixing zone tube 6.
  • the inner mixing zone tube 5 is also fixed within the outer mixing zone tube 6.
  • the inner mixing zone tube 5 abuts against the attachment zone wall 3 on the upper end face 50A and on the attachment flange 17 on its lower end side 50B and is thereby firmly clamped between the delivery zone wall 3 and the attachment flange 17, preferably under a resilient bias.
  • the device according to FIG. 1 further comprises a housing 16 to which the already described components are fastened and which is provided with wheels for the mobile transporting of the entire device.
  • FIGS 2 to 4 show in more detail the area in which the building material mixture is mixed.
  • mixing may mean that a mixture introduced into the feed zone 2 is further mixed as a single starting material or a first feedstock fed into the feed zone 2 is mixed with a second feedstock fed into the mixing zone 4 via the connecting branches 51 and or 52.
  • the outer mixing zone tube 6 has an axially extending opening 65 or slot, which is open towards the bottom.
  • the inner mixing zone tube 5 can be introduced axially into the outer mixing zone tube 6 from below without the connecting pieces 51 and 52, which are then guided through the opening 65, having to be deformed.
  • a fastening flange 68 is provided for fastening to the housing 16 according to FIG. From below, the mounting flange 17 abuts both the lower end wall 6B of the outer mixing zone tube 6 and the lower end wall 50B of the inner mixing zone tube 5.
  • the fastening flange 17 is connected by screws (22 in FIG. 1) not shown in FIGS. 2 and 3 to the fastening part 67 of the outer mixed-zone tube 6.
  • FIG. 3 it can be seen that the lower end face 50B of the inner mixing zone tube 5, which is flat or radial to the axis of rotation A, on a likewise flat flange surface 18 as a mating surface of the mounting flange 17 rests, while the lower end face 6B of the outer mixing zone tube 6 rests on an offset axially upward to the axis of rotation A paragraph, which forms a further flange 19 of the mounting flange 17 as a counter surface rests.
  • the breakthrough 65 is arranged on the left, so that a partial region of the outer mixed-zone tube 6 does not rest there on the flange surface 19.
  • the tube wall 50 of the inner mixing zone tube 5 has a conically widening from the inside to the outside in adaptation to a likewise conically formed outer side of the feed zone wall 3 the end face 50A of the inner mixing zone tube 5, preferably under elastic restoring force, rests.
  • the starting material from the feed zone 2 passes from the Zuzhouzonenwandung 3 guided directly into the interior space within the hollow cylindrical tube wall 50 of the inner mixing zone tube 5, which forms the mixing zone 4.
  • the outer mixing zone tube 6 is fixedly connected at its upper end face 6A to the outside of the feed zone wall 3, for example welded. This connection region lies above the sealing zone between the feed zone wall 3 and the upper end face 50A of the inner mixing zone tube 5, so that leakage of materials is reliably prevented even at this point.
  • a gap or gap 56 is formed in the assembled state, which is between 1 mm and 10 mm, preferably by 2 mm.
  • the outer diameter of the inner mixing zone tube 5 is selected correspondingly smaller than the inner diameter of the outer mixing zone tube 6.
  • the elastic bias of the inner Mischzonenrohres 5 is preferably effected by the inner Mischzonenrohr 5 is formed slightly longer than the outer Mischzonenrohr 6, that has a protrusion, and then tightening the screws 22 when attaching the mounting flange 17 to the attachment portion 67 of the outer mixing zone tube 6 axially elastically compressed by at least a portion of this supernatant.
  • elastic restoring forces which increase the sealing effect on the end faces 50A and 50B of the inner mixing zone tube 5 and further fix the inner mixing zone tube 5 within the outer mixing zone tube 6, in addition to the rotational fixation of the connecting pieces 51 and 52 in the opening 65th
  • connection pieces 51 and 52 are also shown in connection pieces 51 and 52 for coupling supply lines such as 15 in FIG. 1 and additionally inserted nozzles 55 in connecting pieces 51 and 56 in connection piece 52 for introducing the liquid starting material, such as water, under higher pressure ,
  • the inner mixing zone tube 5 is detachably inserted into the outer mixing zone tube 6 and can be removed from it at any time, for example for cleaning purposes. Due to the formation of elastic material, the inner mixing zone tube 5 can be freed after removal in a simple manner, for example by walking or molding, of the adhering to its inside residues and then used again.
  • the fastening flange 17, to which preferably the pump unit 7 is fastened is removed by loosening the screws 22 downwards and the inner mixing zone tube 5 can then be pulled out of the connecting sleeve 52 after uncoupling the feed line 15, wherein the connecting pieces 51 and 52 are simply guided in the opening 65 down.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Accessories For Mixers (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP07017573A 2006-11-02 2007-09-07 Dispositif de mélange pour mélanger des matériaux liquides, en particulier des mélanges de matériaux de construction Withdrawn EP1918020A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006016925U DE202006016925U1 (de) 2006-11-02 2006-11-02 Mischvorrichtung für fließfähige Materialien, insbesondere Baustoffmischungen

Publications (2)

Publication Number Publication Date
EP1918020A2 true EP1918020A2 (fr) 2008-05-07
EP1918020A3 EP1918020A3 (fr) 2011-03-09

Family

ID=38806345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07017573A Withdrawn EP1918020A3 (fr) 2006-11-02 2007-09-07 Dispositif de mélange pour mélanger des matériaux liquides, en particulier des mélanges de matériaux de construction

Country Status (2)

Country Link
EP (1) EP1918020A3 (fr)
DE (1) DE202006016925U1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009014345U1 (de) 2009-10-23 2010-01-14 Mai International Gmbh Mischvorrichtung für fließfähige Baustoffmaterialien
CN103447253A (zh) * 2013-09-12 2013-12-18 山推建友机械股份有限公司 一种高压清洗装置
NL2012290C2 (en) * 2014-02-19 2015-08-25 Stuc Concurrent B V De Mixing apparatus for flowable materials, in particular building material mixtures.
EP3199227A1 (fr) * 2016-01-26 2017-08-02 Knauf PFT GmbH & Co. KG Rotor de malaxage, mandrin d'entraînement, unité de malaxage et dispositif de malaxage destiné à la fabrication de matériaux de construction fluents
CN108397147A (zh) * 2018-04-26 2018-08-14 苏现存 注浆调浆一体机
CN112171928A (zh) * 2020-10-15 2021-01-05 常州市正隆粉体工程有限公司 混料装置及塑料均匀混料系统
CN116272570A (zh) * 2023-03-06 2023-06-23 马鹏鹏 一种手持式搅拌机自动化升级改造支架

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1391987B1 (it) * 2008-11-18 2012-02-02 Revelin Evaristo & Figli Snc Gruppo reggispinta
DE202012101568U1 (de) 2012-04-26 2013-04-29 Knauf Pft Gmbh & Co. Kg Reinigungsvorrichtung zum Reinigen der Innenwandung einer Mischzone einer Mischvorrichtung und Mischvorrichtung zum Mischen von fließfähigen Materialien
DE102014005405A1 (de) 2014-04-14 2015-10-15 Sto Se & Co. Kgaa Vorrichtung zum Anmachen schwer benetzbarer Trockenbaustoffe
EP2933078B1 (fr) 2014-04-14 2019-06-12 STO SE & Co. KGaA Procédé de gâchage de matériaux de construction secs difficilement mouillables pour la fabrication d'une masse d'enduit ou de mortier

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DE10311342B3 (de) * 2003-03-14 2004-08-26 Mai International Gmbh Mörtelmischpumpe

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DE202009014345U1 (de) 2009-10-23 2010-01-14 Mai International Gmbh Mischvorrichtung für fließfähige Baustoffmaterialien
CN103447253A (zh) * 2013-09-12 2013-12-18 山推建友机械股份有限公司 一种高压清洗装置
NL2012290C2 (en) * 2014-02-19 2015-08-25 Stuc Concurrent B V De Mixing apparatus for flowable materials, in particular building material mixtures.
EP3199227A1 (fr) * 2016-01-26 2017-08-02 Knauf PFT GmbH & Co. KG Rotor de malaxage, mandrin d'entraînement, unité de malaxage et dispositif de malaxage destiné à la fabrication de matériaux de construction fluents
CN108397147A (zh) * 2018-04-26 2018-08-14 苏现存 注浆调浆一体机
CN112171928A (zh) * 2020-10-15 2021-01-05 常州市正隆粉体工程有限公司 混料装置及塑料均匀混料系统
CN116272570A (zh) * 2023-03-06 2023-06-23 马鹏鹏 一种手持式搅拌机自动化升级改造支架

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