EP1238698A1 - Statikmischer - Google Patents
Statikmischer Download PDFInfo
- Publication number
- EP1238698A1 EP1238698A1 EP02000849A EP02000849A EP1238698A1 EP 1238698 A1 EP1238698 A1 EP 1238698A1 EP 02000849 A EP02000849 A EP 02000849A EP 02000849 A EP02000849 A EP 02000849A EP 1238698 A1 EP1238698 A1 EP 1238698A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- static mixer
- mixing
- mixing elements
- pitch
- mixer according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
- B01F25/43141—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles composed of consecutive sections of helical formed elements
-
- 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
Definitions
- the invention relates to a static mixer for mixing several, in particular pasty material components, with the features of the preamble of claim 1.
- the static mixer is one for mixing a hardener and a binder Resin mortar provided. In principle, more than two can be used Material components are mixed. The material components are made, for example a cartridge and pressed through the static mixer.
- Static mixers of this type are known per se. They have a tube as a housing that forms a passageway. In the tube or passage channel are helical Mixing elements arranged one behind the other. The mixing elements can also be used as Axial sections of a single, continuous mixing element can be understood. There are passages to the inside of the mixing elements and / or between them Merging strands of material previously from a mixing element in the Strands of material have been divided. The passages can be recesses or Eruptions of the mixing elements. The passages are preferably through an angular offset of mutually facing end and beginning edges following mixing elements and / or by an axial distance between successive Mixing elements reached. Through the mixing elements are through the static mixer pressed material components repeatedly divided into strands of material and again merged and thereby mixed.
- the invention has for its object a static mixer of the above explained type to develop so that a press-through force is reduced and a Mixing is improved.
- the Static mixer according to the invention with the features of claim 1 Mixing elements with different pitches.
- the different sizes Gradients cause different flow rates through the static mixer pressed material components, which improves mixing.
- homogeneous mixing of material components can be achieved achieve different viscosities.
- Mixing elements with a larger and a smaller pitch preferably change each other.
- a further improvement in the mixing of the material components is achieved in that mixing elements with different slope directions (right-handed or left-handed) are provided by the static mixer Pressed material components give a right or left twist.
- the mixing elements arranged one behind the other alternate a different slope direction. This will precede the mixing element divided strands of material necessarily lead into each other and it will be a good one Mixing achieved.
- An embodiment of the invention provides that mutually facing start and End edges of consecutive mixing elements are angularly offset from one another. A reduction in the pressing force of the material components through the Static mixer and good mixing is achieved by optimizing the geometric ratios of the mixing elements reached.
- An embodiment of the The invention provides that mixing elements with a small increase in the longitudinal direction of the Static mixers are shorter than mixing elements with a large slope. The mixing elements with a small pitch give the pressed-through material components a larger one Swirl as the mixing elements with a large slope. This allows a reduction the pressing force.
- mixing elements with a small slope have a length of about 0.5 times a cross or diameter of the passage of the Static mixer corresponds. It has also proven to be favorable if the Mixing elements with a large slope have a length that is approximately 0.9 to 1.0 times of the cross or diameter of the passage channel of the static mixer equivalent.
- a mixing element has an angle of rotation of about 180 °.
- twist angle is meant the angle around which a mixing element is twisted around itself in its longitudinal direction. With a twist angle of 180 ° are the beginning and end of the mixing element parallel to each other.
- the mixing elements with a small and a large slope can have the same angle of rotation.
- the static mixer 10 has an injection cannula 12 which a forms the tubular housing of the static mixer 10.
- An interior of the injection cannula 12 forms a passage channel 14 to be mixed by pressing Material components.
- the injection cannula 12 has at a rear end Internal thread 15 for screwing on a cartridge, not shown, or the like.
- Containers from which the material components to be mixed can be pressed out and through the injection cannula 12 can be pressed through.
- Injection cannula 12 can be designed conically.
- Embodiment of the invention is the axial length of the mixing elements 16 with small pitch approximately 0.5 times a diameter of the passage 14, the axial length of the mixing elements 18 with a large slope is approximately 0.9 to 1.0 times the diameter of the passage 14.
- Both the mixing elements 16 with A small slope and the mixing elements 18 with a large slope have one Angle of rotation over its axial length of about 180 °, so it is a rear end of the injection cannula 12 or the internal thread 15
- Initial edge 20 approximately parallel to a front end of the injection cannula 12 facing end edge 22 of each mixing element 16, 18.
- facing each other end and Initial edges 20, 22 of successive mixing elements 16, 18 are approximately aligned at right angles to each other, so they have an angular offset of approx. 90 ° on.
- Due to the intersecting arrangement of the starting and End edges 20, 22 of mixing elements 16, 18 arranged one behind the other are passages 24 formed between the mixing elements 16, 18.
- the mixing elements 16, 18 are manufactured in one piece with one another, for example by spreading plastic.
- the cartridge contains two components separately from one another, for example a binder and a hardener of a 2-component synthetic resin mortar.
- the two components are pasty and can have different viscosities.
- the two components are together and in a predetermined volume ratio to each other from the Cartridge pressed out. You can also have more than two material components through the Static mixer 10 according to the invention pressed through and mixed together become.
- the material components are on the initial edges 20 of the mixing elements 16, 18 divided into two strands of material and on the passages 24 between the end and start edges 22 in a row arranged mixing elements 16, 18 merged again. Because the mixing elements 16, 18 are alternately right-handed and left-handed, one is pressed through Strands of material forced by the screw shape of the mixing elements 16, 18 Swirl at the transition from a mixing element 16, 18 to the subsequent mixing element 18, 16, that is to say in the area of the passages 24 between the mixing elements 16, 18, vice versa. The previously divided material strands are when merging brought together and thereby mixed together.
- the gradient of the mixing elements 16, 18 changes the flow rate of the Strands of material and the material components when pressed through the static mixer according to the invention 10.
- the flow rate increases and decreases alternately repeated several times over the length of the static mixer 10. This causes thorough mixing of the material components.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Disintegrating Or Milling (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (9)
- Statikmischer zum Mischen mehrerer, insbesondere pastöser Materialkomponenten, mit schneckenförmigen Mischelementen, die hintereinander in einem Durchlasskanal angeordnet sind, und mit Durchlässen zum Zusammenführen von Materialsträngen, die zuvor von einem Mischelement in die Materialstränge geteilt worden sind, dadurch gekennzeichnet, dass der Statikmischer (10) Mischelemente (16, 18) mit unterschiedlich großen Steigungen aufweist.
- Statikmischer nach Anspruch 1, dadurch gekennzeichnet, dass die hintereinander angeordneten Mischelemente (16, 18) abwechselnd eine größere und eine kleinere Steigung aufweisen.
- Statikmischer nach Anspruch 1, dadurch gekennzeichnet, dass der Statikmischer (10) Mischelemente (16, 18) mit unterschiedlicher Steigungsrichtung aufweist.
- Statikmischer nach Anspruch 3, dadurch gekennzeichnet, dass die hintereinander angeordneten Mischelemente (16, 18) abwechselnd eine unterschiedliche Steigungsrichtung aufweisen.
- Statikmischer nach Anspruch 1, dadurch gekennzeichnet, dass ein Anfangsrand (20) eines nachfolgenden Mischelements (16, 18) winkelversetzt zu einem Endrand (22) eines vorrangehenden Mischelements (18, 20) ist.
- Statikmischer nach Anspruch 1, dadurch gekennzeichnet, dass Mischelemente (16) mit kleinerer Steigung in Längsrichtung des Durchlasskanals (14) kürzer als Mischelemente (18) mit größerer Steigung sind.
- Statikmischer nach Anspruch 6, dadurch gekennzeichnet, dass Mischelemente (16) mit kleinerer Steigung eine Länge von etwa dem 0,5-fachen eines Quermessers des Durchlasskanals (14) aufweisen.
- Statikmischer nach Anspruch 6, dadurch gekennzeichnet, dass Mischelemente (18) mit größerer Steigung eine Länge von etwa dem 0,9 bis 1,0-fachen eines Quermessers des Durchlasskanals (14) aufweisen.
- Statikmischer nach Anspruch 1, dadurch gekennzeichnet, dass ein Mischelement (16, 18) einen Verdrehwinkel von ungefähr 180° aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20103983U | 2001-03-07 | ||
DE20103983U DE20103983U1 (de) | 2001-03-07 | 2001-03-07 | Statikmischer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1238698A1 true EP1238698A1 (de) | 2002-09-11 |
EP1238698B1 EP1238698B1 (de) | 2004-12-29 |
Family
ID=7953984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02000849A Expired - Lifetime EP1238698B1 (de) | 2001-03-07 | 2002-01-15 | Statikmischer |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1238698B1 (de) |
AT (1) | ATE285837T1 (de) |
CZ (1) | CZ2002853A3 (de) |
DE (2) | DE20103983U1 (de) |
DK (1) | DK1238698T3 (de) |
ES (1) | ES2233720T3 (de) |
HU (1) | HU222906B1 (de) |
PL (1) | PL352647A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1670409A1 (de) * | 2003-09-30 | 2006-06-21 | Coloplast A/S | Wundversorgungsvorrichtung |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ302452B6 (cs) * | 2004-04-14 | 2011-05-25 | Tvrdík@Jaroslav | Statický šnekový mixér |
DE102008017104A1 (de) | 2008-04-02 | 2009-10-29 | Henkel Ag & Co. Kgaa | Spender zur Bevorratung und Abgabe eines mehrkomponentigen Haarbehandlungsmittels |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2262016A1 (de) * | 1972-12-19 | 1974-06-20 | Mono Pumps Ltd | Mischeinrichtung |
JPS5549531B2 (de) * | 1976-07-09 | 1980-12-12 | ||
US4840493A (en) * | 1987-11-18 | 1989-06-20 | Horner Terry A | Motionless mixers and baffles |
US5174653A (en) * | 1991-09-30 | 1992-12-29 | Tah Industries, Inc. | Serial connectors for motionless mixers |
WO1994005412A1 (de) * | 1992-09-08 | 1994-03-17 | Sika Robotics Ag | Vorrichtung zum mischen von substanzen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE754657Q (fr) * | 1965-11-29 | 1971-01-18 | Kenics Corp | Appareil melangeur |
DE2223659A1 (de) * | 1971-05-21 | 1972-12-07 | Thorn Electrical Ind Ltd | Mischer |
BE788921A (fr) * | 1971-09-17 | 1973-01-02 | Apv Co Ltd | Perfectionnements relatifs a des dispositifs generateurs de turbulence |
BE792819A (fr) * | 1971-12-15 | 1973-06-15 | Corning Glass Works | Procede et appareil pour produire du verre sensiblement homogene et exempt de cordes |
FR2311577A1 (fr) * | 1975-05-21 | 1976-12-17 | Exxon France | Melangeur statique |
IT1056974B (it) * | 1976-03-09 | 1982-02-20 | Nut Foods International Srl | Apparecchio miscelatore statico |
DE3208462A1 (de) * | 1982-03-09 | 1983-09-15 | Hilti AG, 9494 Schaan | Vorrichtung zum mischen von massen |
DD246669A3 (de) * | 1985-02-13 | 1987-06-17 | Fotochem Werke Berlin Veb | Vorrichtung zur homogenisierung von viskosen fluessigkeiten |
DE3539426A1 (de) * | 1985-11-07 | 1987-05-14 | Detec Kunststofftechnik Gmbh | Statische mischvorrichtung fuer nieder- und hochviskose stoffe |
-
2001
- 2001-03-07 DE DE20103983U patent/DE20103983U1/de not_active Expired - Lifetime
-
2002
- 2002-01-15 ES ES02000849T patent/ES2233720T3/es not_active Expired - Lifetime
- 2002-01-15 DE DE50201865T patent/DE50201865D1/de not_active Expired - Fee Related
- 2002-01-15 AT AT02000849T patent/ATE285837T1/de not_active IP Right Cessation
- 2002-01-15 DK DK02000849T patent/DK1238698T3/da active
- 2002-01-15 EP EP02000849A patent/EP1238698B1/de not_active Expired - Lifetime
- 2002-02-01 HU HU0200380A patent/HU222906B1/hu active IP Right Grant
- 2002-03-06 PL PL02352647A patent/PL352647A1/xx not_active IP Right Cessation
- 2002-03-07 CZ CZ2002853A patent/CZ2002853A3/cs unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2262016A1 (de) * | 1972-12-19 | 1974-06-20 | Mono Pumps Ltd | Mischeinrichtung |
JPS5549531B2 (de) * | 1976-07-09 | 1980-12-12 | ||
US4840493A (en) * | 1987-11-18 | 1989-06-20 | Horner Terry A | Motionless mixers and baffles |
US5174653A (en) * | 1991-09-30 | 1992-12-29 | Tah Industries, Inc. | Serial connectors for motionless mixers |
WO1994005412A1 (de) * | 1992-09-08 | 1994-03-17 | Sika Robotics Ag | Vorrichtung zum mischen von substanzen |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Week 198103, Derwent World Patents Index; AN 1981-03165D, XP002198151 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1670409A1 (de) * | 2003-09-30 | 2006-06-21 | Coloplast A/S | Wundversorgungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
EP1238698B1 (de) | 2004-12-29 |
ES2233720T3 (es) | 2005-06-16 |
DE50201865D1 (de) | 2005-02-03 |
HUP0200380A3 (en) | 2003-04-28 |
PL352647A1 (en) | 2002-09-09 |
HUP0200380A2 (hu) | 2003-01-28 |
DE20103983U1 (de) | 2002-07-11 |
HU222906B1 (hu) | 2003-12-29 |
CZ2002853A3 (cs) | 2002-10-16 |
HU0200380D0 (en) | 2002-03-28 |
ATE285837T1 (de) | 2005-01-15 |
DK1238698T3 (da) | 2005-02-07 |
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