SE463450B - DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER - Google Patents

DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER

Info

Publication number
SE463450B
SE463450B SE8704949A SE8704949A SE463450B SE 463450 B SE463450 B SE 463450B SE 8704949 A SE8704949 A SE 8704949A SE 8704949 A SE8704949 A SE 8704949A SE 463450 B SE463450 B SE 463450B
Authority
SE
Sweden
Prior art keywords
powder
wheel
housing
mixing
mixing housing
Prior art date
Application number
SE8704949A
Other languages
Swedish (sv)
Other versions
SE8704949D0 (en
SE8704949L (en
Inventor
Nemo Ivarson
Original Assignee
Nemo Ivarson
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 Nemo Ivarson filed Critical Nemo Ivarson
Priority to SE8704949A priority Critical patent/SE463450B/en
Publication of SE8704949D0 publication Critical patent/SE8704949D0/en
Priority to AT88850414T priority patent/ATE82704T1/en
Priority to EP88850414A priority patent/EP0320480B1/en
Priority to DE8888850414T priority patent/DE3876222D1/en
Priority to JP63311768A priority patent/JPH01208106A/en
Publication of SE8704949L publication Critical patent/SE8704949L/en
Publication of SE463450B publication Critical patent/SE463450B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/228—Extrusion presses; Dies therefor using pressing means, e.g. rollers moving over a perforated die plate
    • 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
    • B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/74—Spray-mixers, e.g. for mixing intersecting sheets of material with rotating parts, e.g. discs
    • B01F25/743—Spray-mixers, e.g. for mixing intersecting sheets of material with rotating parts, e.g. discs the material being fed on both sides of a part rotating about a vertical 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
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

An apparatus for continuously producing from liquid and powder ingredients a substantially homogenous mixture and kneading the mixture to form a compact, plastic mass, and for extruding this mass into elongated extrusions. The mixer comprises a mixer housing (1) and mutually separate liquid and powder delivery conduits (18, 19) and a mixture outlet. A wheel assembly (3, 4) is arranged for rotation in the housing (1) on a shaft (5). The liquid delivery conduit (9) opens into a cavity (7) located in the wheel assembly, whereas the powder delivery conduit (18) opens into powder spaces (10) provided in the upper part (3) of the wheel assembly. The cavity (7) communicates with the upper side of the wheel assembly via a circumferentially extending slot or gap (8) which opens out adjacent an edge (11) which extends circumferentially around the slot or gap on the peripheral side thereof. The slot has a substantially frusto-conical configuration with the apex of the cone facing downwards. Extending around the periphery of the mixer housing is a cylindrical shell (15) which is perforated with holes (16) in that part thereof which extends over the housing outlet, the axes of this shell being coaxial with the axes (5) of the mixer wheel. Blades (12) are arranged in the chordal direction in the mixer housing between the circumferentially extending edge (11) and the cylindrical shell (15). The edges (13 of the blades (12) lie immediately adjacent the inner conical surface (14) of the mixer housing and knead and tear the mixture in co-action with the surface, while the outer ends (21) of the blades lie against the inner surface (22) of the shell (15) and are operative in forcing the resultant plastic mass through holes (16) to produce elongated extrusions.

Description

465 450 varit fallet hittils. Uppfinningen utgår därvid från den maskin som är känd genom den svenska utläggningsskriften 421 047 vil- ken kompletteras med medel för kompaktering, knådning och extru- dering. 465 450 has been the case so far. The invention is based on the machine known from Swedish Offenlegungsschrift 421 047, which is supplemented with means for compaction, kneading and extrusion.

Anordningen enligt uppfinningen kännetecknas av en runt blandarhusets mantelyta anordnad cirkulärcylindrisk mantel, som är hâlad över den del av sin omkrets som ligger över blandarhu- sets utlopp och som har sin axel koaxiell med blandarhjulets axel, varjämte mellan nämnda egg och den cylindriska manteln är anordnade ytterskovlar i riktning av en korda i blandarhu- set, varvid varje ytterskovel är förbunden med hjulets nedre del och sveper över mantelns insida.The device according to the invention is characterized by a circular-cylindrical jacket arranged around the mantle surface of the mixer housing, which is hollowed over the part of its circumference which lies over the outlet of the mixer housing and which has its axis coaxial with the mixer wheel axis, and between said edge and the cylindrical outer shells in the direction of a chord in the mixer housing, each outer vane being connected to the lower part of the wheel and sweeping over the inside of the jacket.

Uppfinningen beskrivs i detalj i det följande under hänvis- ning till bifogade ritningsfigurer på vilka en utföringsform av anordningen enligt uppfinningen är schematiskt åskådliggjord såsom exempel.The invention is described in detail in the following with reference to the accompanying drawing figures, in which an embodiment of the device according to the invention is schematically illustrated as an example.

Fig. 1 visar en vertikalsektion genom anordningen enligt uppfinningen. Fig. 2 visar en sektion utefter linjen II-II i fig. 1. Fig. 3 visar en del av sektionen i fig. 2 i större skala. Fig. 4 visar en del av sektionen i fig. 1 i större skala.Fig. 1 shows a vertical section through the device according to the invention. Fig. 2 shows a section along the line II-II in Fig. 1. Fig. 3 shows a part of the section in Fig. 2 on a larger scale. Fig. 4 shows a part of the section in Fig. 1 on a larger scale.

Den på ritningen visade anordningen har ett blandarhus 1 med lock 2. Inuti huset är anordnat ett hjul, bestående av ett överhjul 3 och ett underhjul 4, som har en axel 5 som är roter- bart lagrad vid blandarhuset 1 medelst lager 6. Mellan över- och underhjulen 3 resp. 4 finns eüxhålrum 7 som har förbindel- se med överhjulets 3 ovansida via en runtom gående spalt 8 som har formen av mantelytan hos en stympad kon med spetsen riktad nedåt. Överhjulet 3 har på sin ovansida skovlar 9. Mellan skov- larna 9 uppstår utrymmen 10 som är avsedda att mottaga pulvret för blandningen. Underhjulet 4 har en runtom gående egg ll in- till mynningen av spalten 8 och är vidare vid sin periferi för- sedd med ytterskovlar 12, vilkas ytterkant 13 löper intill den koniska ytan 14 hos locket 2. Blandarhuset har en runt om sin 'mantelyta gående urtagning i vilken är upptagen en hâlad mantel 15. Mantelns hål 16 är cylindriska och deras axel bildar en vin- kel,5 med blandarhusets axel som ligger mellan 0 och 900 och är lämpligen exempelvis 600. Vinkelnfx: mellan hålens axel och de- ras mynningsplan 17 är företrädesvis cirka 900. Pulverfasen tillföres till blandarhuset via röret 18 och vätskefasen till- föres via håligheten 19 i den ihåliga axeln 5. 10 15 20 25 30 35 463 450 Vid blandningsoperationen roterar hjulet 3,U inuti huset 1 med ett varvtal som kan ligga mellan 1000 och 5000 varv per minut. Våtfasen eller vätskan tillföres därvid till blandaren via den rörformade axeln 5 till hålrummet 7. trifugalkraften slungas vätskan därvid utåt genom spalten 8 och Med hjälp av cen- antar därvid formen av en hinna som utvidgar sig utåt hela ti- den samtidigt som den blir tunnare. När vätskehinnan lämnar spalten 8 träffar den eggen 11 och slites därvid sönder till mikroskopiska droppar så att en dimridâ bildas. Samtidigt med tillförsel av vätska tillföres pulver via röret 18 till utrym- mena 10 och därifrån slungas pulvret med hjälp av centrifugal- kraften och skovlarna 9 utåt mot överhjulets 3 periferi samtidigt som det sönderpiskas och träffar dimridån vid eggen 11. De båda faserna, vätska och pulver, slungas nu vidare utåt tillsammans och kolliderar med lockets 2 koniska yta 14 där den momentana blandningen sker. Den färdiga blandningen uppfångas omedelbart av skovlarna 12, vilkas kant 13 löper strax intill den koniska ytan 14 och knådar och river därvid blandgodset mot denna yta un- der en process liknande spackling. Blandgodset spacklas därvid utåt, nedåt mot den hålade manteln 15 och bildar under vägen en kompakt, plastisk massa innan det pressas ut genom hålen 16 till homogena och kompakta cylindriska strängar 20 av skovlarnas 12 yttre, främre kant 21, som löper tätt an mot mantelns 15 inner- yta 22.The device shown in the drawing has a mixer housing 1 with lid 2. Inside the housing is arranged a wheel, consisting of an upper wheel 3 and a lower wheel 4, which has a shaft 5 which is rotatably mounted at the mixer housing 1 by means of bearing 6. Between - and the lower wheels 3 resp. 4 there is a cavity 7 which is connected to the upper side of the upper wheel 3 via a circumferential slot 8 which has the shape of the mantle surface of a truncated cone with the tip directed downwards. The upper wheel 3 has on its upper side vanes 9. Between the vanes 9 there are spaces 10 which are intended to receive the powder for the mixture. The lower wheel 4 has a circumferential edge 11 at the mouth of the gap 8 and is further provided at its periphery with outer vanes 12, the outer edge 13 of which runs next to the conical surface 14 of the lid 2. The mixing housing has a circumferential surface recess in which a hollow jacket 15 is accommodated. The holes 16 of the jacket are cylindrical and their axis forms an angle, 5 with the axis of the mixing housing which is between 0 and 900 and is suitably, for example, 600. Angular example: between the axis of the holes and their mouth plane 17 is preferably about 900. The powder phase is supplied to the mixer housing via the tube 18 and the liquid phase is supplied via the cavity 19 in the hollow shaft 5. In the mixing operation, the wheel 3, U rotates inside the housing 1 at a speed which can be between 1000 and 5000 revolutions per minute. The wet phase or liquid is then supplied to the mixer via the tubular shaft 5 to the cavity 7. the trifugal force is then thrown outwards through the gap 8 and By means of cents, the shape of a membrane which extends outwards all the time at the same time becomes thinner. When the liquid membrane leaves the gap 8, it hits the edge 11 and is thereby torn into microscopic droplets so that a mist rim is formed. Simultaneously with the supply of liquid, powder is supplied via the tube 18 to the spaces 10 and from there the powder is thrown by means of the centrifugal force and the vanes 9 outwards towards the periphery of the upper wheel 3 at the same time as it is whipped and hits the fog curtain at the edge 11. The two phases, liquid and powder, is now thrown further outwards together and collides with the conical surface 14 of the lid 2 where the instantaneous mixing takes place. The finished mixture is immediately captured by the vanes 12, the edge 13 of which runs right next to the conical surface 14 and kneads and thereby tears the mixed material against this surface during a process similar to filling. The mixed material is then puttyed outwards, downwards towards the perforated jacket 15 and forms a compact, plastic mass along the way before it is pressed out through the holes 16 into homogeneous and compact cylindrical strands 20 of the outer, front edge 21 of the vanes 12, which run close to the jacket 15 inner- surface 22.

Hålen 16 borras med en vinkel B relativt mantelns radie som ligger så nära som möjligt en rät vinkel så att skovlarnas aktionskrafter skall kunna verka så nära som möjligt i hålaxlarnas riktning. På detta sätt nedbringas friktionsförluster och värme- utveckling i själva utpressningsmomentet.The holes 16 are drilled at an angle B relative to the radius of the jacket which is as close as possible to a right angle so that the action forces of the vanes can act as close as possible in the direction of the hole axes. In this way, friction losses and heat generation are reduced in the squeezing step itself.

Hålens mynningsplan skall bilda en vinkel Q med hålaxlarna som ligger så nära som möjligt en rät vinkel för att på så sätt förhindra att de utpressade strängarna avböjes mot mantelns utsi- da och därigenom ytterbågen på strängarna på så sätt får en porös och sprickbemängd yta som försvårar vidarebehandlingen av sträng- arna. -The orifice plane of the holes should form an angle Q with the hole axes as close as possible to a right angle in order to prevent the extruded strands from being deflected towards the outside of the jacket and thereby the outer arch of the strands thus having a porous and crack-laden surface which complicates the further processing of the strings. -

Claims (5)

463 450 ' P A T E N T K R A V463 450 'P A T E N T K R A V 1. Anordning för kontinuerlig blandning av vätska och pulver till en i huvudsak homogen blandning jämte samti- dig knådning av denna blandning till en kompakt, plastisk massa och extrudering till strängformade extrudat, inne- fattande en blandare med blandarhus (1) och separata led- ningar (18,19) för tillförsel av vätska och pulver samt utlopp för den färdiga blandningen, varvid blandarhuset innefattar ett hjul (3,4), som är roterbart med en ver- tikal axel (5) i blandarhuset, och vätskeledningen (19) mynnar i ett hålrum (7) i hjulet medan pulverledningen (18) mynnar i pulverutrymmen (10) i hjulets ovandel (3), varvid skovlar (9) är anordnade att bringa pulvret mot hjulets periferi, varjämte hálrummet står i förbindelse med hjulets ovansida via en runtom gående spalt (8), som mynnar intill en pà periferisidan av spalten liggande, likaledes runtom gående egg (11), och spaltens form mot- svarar i huvudsak formen hos mantelytan i en stympad kon med spetsen riktad nedåt, k ä n n e t e c k n a d av en runt blandarhusets mantelyta anordnad cirkulärcylindrisk mantel (15), som är hàlad (16) över den del av sin om- krets som ligger över blandarhusets utlopp och som har sin axel koaxiell med blandarhjulets axel (5), varjämte mellan nämnda egg (11) och den cylindriska manteln (15) är anordnade ytterskovlar (12) i riktning av en korda i blandarhuset, varvid varje ytterskovel (12) är förbunden med hjulets nedre del (4) och sveper med sin ytterände (21) över mantelns (15) insida.Device for continuous mixing of liquid and powder into a substantially homogeneous mixture together with simultaneous kneading of this mixture into a compact, plastic mass and extrusion into extruded extrudates, comprising a mixer with mixing housing (1) and separate joints. (18,19) for supplying liquid and powder and an outlet for the finished mixture, the mixing housing comprising a wheel (3,4) which is rotatable with a vertical axis (5) in the mixing housing, and the liquid line (19) opens into a cavity (7) in the wheel while the powder line (18) opens into powder spaces (10) in the upper part of the wheel (3), paddles (9) being arranged to bring the powder towards the periphery of the wheel, and the cavity communicates with the top of the wheel via a circumferential gap (8), which opens next to a circumferential edge (11) lying on the peripheral side of the gap, and the shape of the gap substantially corresponds to the shape of the mantle surface in a truncated cone with the tip directed downwards, characteristic of a circular-cylindrical jacket (15) arranged around the mixing surface of the mixing housing, which is hollow (16) over the part of its circumference which lies over the outlet of the mixing housing and which has its axis coaxial with the axis (5) of the mixing wheel, and between said edge ( 11) and the cylindrical jacket (15) are arranged outer vanes (12) in the direction of a cord in the mixing housing, each outer vane (12) being connected to the lower part (4) of the wheel and sweeping with its outer end (21) over the casing (15). ) inside. 2. Anordning enligt krav 1, k ä n n e t e c k n a d av att hálens (16) i manteln (15) axlar bildar en vinkel (1800-¿$) med den cylindriska mantelns radie som ligger mellan 9o° och 1so°. - 463 450Device according to claim 1, characterized in that the shafts (16) in the shafts (15) in the shafts (15) form an angle (1800-¿$) with the radius of the cylindrical sheath which is between 90 ° and 1000 °. - 463 450 3. Anordning enligt krav 2, k ä n n e t e c k n a d av att hålens (16) mynningar på mantelns utsida är urfrästa så att mynningen bildar väsentligen rät vinkel med hålets axel.Device according to claim 2, characterized in that the mouths of the holes (16) on the outside of the jacket are milled out so that the mouth forms a substantially right angle with the axis of the hole. 4. Anordning enligt något av kraven 1-3, klä n n e t e c k- n a d av att ytterskovlarna (12) har kilform i en projektion på ett horisontalplan i blandarhuset med kilarnas spets riktad inåt i blandarhuset (1).Device according to one of Claims 1 to 3, characterized in that the outer vanes (12) have a wedge shape in a projection on a horizontal plane in the mixing housing with the tip of the wedges directed inwards into the mixing housing (1). 5. Anordning enligt något av kraven 1-4, k a n n e t e c k- n a d av att insidan av blandarhusets övre del har formen av en stympad kon, varvid ytterskovlarna ligger med sin kant (13) intill denna koniska yta.Device according to any one of claims 1-4, characterized in that the inside of the upper part of the mixing housing has the shape of a truncated cone, the outer vanes lying with their edge (13) next to this conical surface.
SE8704949A 1987-12-11 1987-12-11 DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER SE463450B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8704949A SE463450B (en) 1987-12-11 1987-12-11 DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER
AT88850414T ATE82704T1 (en) 1987-12-11 1988-12-08 APPARATUS FOR MAKING A MIXTURE OF LIQUID AND POWDER AND FOR KNEADING AND EXTRUDING SUCH MIX.
EP88850414A EP0320480B1 (en) 1987-12-11 1988-12-08 An apparatus for producing a mixture from liquid and powder ingredients, and kneading and extruding the mixture
DE8888850414T DE3876222D1 (en) 1987-12-11 1988-12-08 APPARATUS FOR MAKING A MIXTURE OF LIQUID AND POWDER AND FOR KNOWLING AND EXTRUDING THIS MIXTURE.
JP63311768A JPH01208106A (en) 1987-12-11 1988-12-09 Device for manufacturing and kneading and extruding liquid powder mixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8704949A SE463450B (en) 1987-12-11 1987-12-11 DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER

Publications (3)

Publication Number Publication Date
SE8704949D0 SE8704949D0 (en) 1987-12-11
SE8704949L SE8704949L (en) 1989-06-12
SE463450B true SE463450B (en) 1990-11-26

Family

ID=20370569

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8704949A SE463450B (en) 1987-12-11 1987-12-11 DEVICE FOR MIXING, KNOWLEDGE AND EXTRUSION OF PRODUCTS MADE OF SCIENCE AND POWDER

Country Status (5)

Country Link
EP (1) EP0320480B1 (en)
JP (1) JPH01208106A (en)
AT (1) ATE82704T1 (en)
DE (1) DE3876222D1 (en)
SE (1) SE463450B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209527A1 (en) * 1992-03-24 1993-09-30 Dorr Oliver Deutschland Emulsion homogeniser improving fineness of grains - has two facing contra-rotating truncated cone rotors and reduce droplet size without increase in machine complexity
GB9422154D0 (en) 1994-11-03 1994-12-21 Euro Celtique Sa Pharmaceutical compositions and method of producing the same
US5965161A (en) 1994-11-04 1999-10-12 Euro-Celtique, S.A. Extruded multi-particulates
SE506435C2 (en) * 1995-04-19 1997-12-15 Kvaerner Pulping Tech Apparatus for mixing a first fluid into a second fluid
DE19918325A1 (en) 1999-04-22 2000-10-26 Euro Celtique Sa Extruded drug dosage form, e.g. granulate for tableting, comprising an active agent in a polysaccharide-containing matrix, giving a release profile which is controllable by extrusion conditions and/or the inclusion of additives
JP2013132572A (en) * 2011-12-26 2013-07-08 Jtekt Corp Mixing and dispersing device
US10118139B2 (en) 2012-06-29 2018-11-06 Peter-Nemo Lorens Fredrik Ivarsson Device for mixing powder and at least one other type of phase
CN104135708B (en) * 2014-08-14 2017-08-25 陈宏乔 The preparation method of jadeization giant clam nacre nano powder and the diaphragm of loudspeaker
CN105664777B (en) * 2016-03-24 2018-05-01 青岛科技大学 A kind of fluid mixing method and high speed centrifugation fluid mixer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085851B (en) * 1955-02-28 1960-07-28 Bayer Ag Device for the production of solutions from powdery, in particular substances with low bulk weight
US3045613A (en) * 1960-08-22 1962-07-24 K C G Corp Pelleting machine
GB1016232A (en) * 1961-12-07 1966-01-05 John Francis Anthony Meyer Liquids and solids mixer
FR2119797A1 (en) * 1969-11-03 1972-08-11 Degoul Marcel Centrifugal biological activation - of agents for eg homeopathy
GB1354167A (en) * 1971-07-28 1974-06-05 Foucault P Apparatus for mixing fluids
US4511321A (en) * 1982-05-19 1985-04-16 Glenn Howard Densification - pelletizing of organic materials
SE8401802L (en) * 1984-04-02 1985-10-03 Lejus Medical Ab EXTRUDING DEVICE

Also Published As

Publication number Publication date
SE8704949D0 (en) 1987-12-11
ATE82704T1 (en) 1992-12-15
EP0320480A1 (en) 1989-06-14
JPH01208106A (en) 1989-08-22
SE8704949L (en) 1989-06-12
DE3876222D1 (en) 1993-01-07
EP0320480B1 (en) 1992-11-25

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