EP1147804B1 - Vorrichtung zur Dispergierung von hochkonsistentem Papierfaserstoff - Google Patents
Vorrichtung zur Dispergierung von hochkonsistentem Papierfaserstoff Download PDFInfo
- Publication number
- EP1147804B1 EP1147804B1 EP01103920A EP01103920A EP1147804B1 EP 1147804 B1 EP1147804 B1 EP 1147804B1 EP 01103920 A EP01103920 A EP 01103920A EP 01103920 A EP01103920 A EP 01103920A EP 1147804 B1 EP1147804 B1 EP 1147804B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- axial
- fitting
- teeth
- garniture
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/004—Methods of beating or refining including disperging or deflaking
- D21D1/006—Disc mills
-
- 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
- B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
-
- 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
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
- B01F27/2711—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator provided with intermeshing elements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
-
- 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
- B01F23/57—Mixing high-viscosity liquids with solids
-
- 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
Definitions
- the invention relates to a device for dispersion according to the preamble of Claim 1.
- Such a treatment device is for example from DE-PS 30 47 013 or GB-763 823 known
- This device which is suitable for dispersing waste paper, is used for the Machining material intensively mechanically and thermally, which means that the contained therein Contaminants detached from the fibers, crushed and / or below the visibility limit can be brought.
- the pulp is not in a pumpable suspension processed, but in the form of a doughy or crumbly high consistency substance, preferably with a dry content between 20 and 35%. Leave this way significantly higher shear forces are transferred to the pulp, causing the mentioned goals are achievable without a significant change in the process Fiber length is done.
- the effect of mechanical treatment further intensified by heat, e.g. by setting a fiber temperature of 90 ° Celsius or above.
- the Dispersion After the highly consistent fiber material has passed the processing area, i.e. the Dispersion has occurred, it emerges at the last stage of the stator set. There it is pushed out by the following substance and essentially leads one radial movement. Since the set contains circular rows of teeth, this is done the ejection of the fiber over the entire circumference, i.e. 360 °. As a rule, that is The central axis of such a dispersing device is arranged horizontally, i.e. the The pulp is transported in a vertical plane. Where the tooth gaps between the teeth, the fabric falls out freely, e.g. in a vessel, in which, if desired, can be diluted with water.
- the invention is therefore based on the object of a treatment device specified type, with which it is possible to discharge the processed To improve fiber with very simple means.
- the subject of the invention also has the advantage of being relatively cheap Wear behavior. It is about reducing the wear and tear is known not to be completely avoided with such devices. The fact that the If the material is removed relatively quickly, caking can occur Favor wear, be prevented. It is particularly advantageous if the Radial projections belong to the part of the set that is due to the inevitable Wear must be replaced at certain intervals anyway. To this Because normal wear is limited to a few parts, while the other machine parts, especially the mounting plates for the sets, only still subject to very little wear.
- Fig. 1 shows part of a dispersing device with two relative to each other in Circumferential direction movable complementary sets 1, 2, so together in Intervention that they can work together.
- the selected representation in form A section in side view shows that radially from the inside out the teeth 3, 4, 3 ', 4' etc. belonging to the different sets up to Alternate external teeth 3 ", 4".
- the teeth row of a set extends into the Intermediate space of the complementary set, whereby for the intended operation the device between the teeth of complementary sets of distances must be observed.
- the set 2 shown on the left belongs to the stator 6 and the set 1 drawn on the right to the rotor 5. This is driven by a shaft 10 held and set in rotation.
- the highly consistent paper pulp gets through the inlet pipe 9 with the aid of a screw conveyor 12 centrally in the disperser.
- On such material is relatively tough, unlike e.g. a pumpable paper fiber suspension, how it is processed in deflakers or refiners. It is initially from Spinner cross 11 detected and then conveyed into the sets.
- the radially innermost Row of teeth belongs to the rotor set and the radially outermost part to the stator set.
- the The axis of rotation of the rotor 5 is horizontal here, and the radial transport direction of the highly consistent paper pulp lies in vertical planes.
- the trimmings are in a housing 13 housed.
- a centering collar 16 is used for exact centering of the clothing 1 belonging to the rotor provided, but not by the outside diameter of this set, but by the measure h (see FIG. 3) lies further inside.
- the diameter of the rotor 5 can therefore be smaller can be kept as that of the set 1. This saves material, and the surfaces of the Centering cuffs are outside of the sling path of the fabric.
- This carries a number the axial projections 15 according to the invention, which from the set of fittings Accelerate and dissipate emerging fibers.
- Such axial projections 15 can made of the same material as the set, e.g. with little extra effort be cast on. Also because of the possible wear, it is advantageous if the Axial projections 15 are exchanged when changing the clothing.
- Fig. 2 are two complementary sets, ie belonging to a set in axial exploded position and drawn a little more detailed, but without all to reveal constructive features.
- sets of this type between three and twelve rows of teeth, here only the radially outermost two are drawn.
- the clothing 1 belonging to the rotor has axial projections 15 an outer root circle 21. They have an axial extension a of preferably at least 4 mm and a radial extension b to the base circle 21 of preferably at least 4 mm.
- the maximum size should not be more than 20 mm, which of course also depends on the size of the sets.
- the axial projections are sufficient here axially to the plane E of the bearing surface 20 of the set. That is in the making of the Sets of particular advantage. But there are also different axial projections can be used easily to solve the task.
- Your outer end faces are inclined at an acute angle ⁇ with respect to the cylindrical peripheral surface.
- Fig. 3 shows in supervision a Disperger gear set, ie a rotor and one Stator fitting.
- the annular spaces 14 can be seen.
- the teeth 3, 3 ', 3 ", 4, 4 ', 4" are arranged in annular rows and extend into the corresponding ones Spaces 14 of the counter set into it. Only a few of the large number of teeth shown. They are drawn cut so that they are preferably not rounder Cross section 17 can be seen. Tooth gaps 7 remain between adjacent teeth the flow of the pulp free.
- the shape of the teeth is not exactly drawn, they is known and depends on the intended use of the set.
- FIG. 4 shows also a bit more precise that this is a total of eight segments Set acts, which each go over a circumferential angle of 45 °.
- mounting holes 8 are indicated, through which e.g. a screw connection to the rotor 5 (Fig. 1) is possible.
- the axial projections 15, which in the example shown here four per segment, i.e. so a total of 32 for the whole set are provided. The exact number of axial protrusions required depends on the requirements.
- Adjacent axial projections 15 are in one Distance angle ⁇ apart. Furthermore, one can recognize the on this representation Centering collar 16, which is contiguous here over the entire scope of all Set segments is designed. It may also be interrupted, i.e. out a number of different subsections exist. Such a centering collar is This is particularly important when the set of circular ring segments forms a full circle is assembled. The combination of the axial projections with the radial inner centering collar results in a space-saving arrangement with good Conveying effect for the tough fibrous material emerging from the clothing.
- the axial projection 15 can also be designed so that it is extends axially beyond the projection f beyond the plane E (see FIG. 5). in principle but applies that the axial projections according to the invention are kept relatively small can, which saves energy and reduces wear. Especially in Radial direction, the axial projection 15 does not have to or only slightly above the Go out diameter, the moving set 1 to accommodate the teeth needed. 6 shows a set 1 with an axial projection 15, the outer root circle 21 by a small radial distance d over the outer root circle 22 of the outermost tooth 3 ". The same also applies to the clothing 1 itself Outer radius can be a relatively small one for energy, material and space savings Have distance c to the outer root circle 22 of the outermost tooth 3 "(see FIG. 5).
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
- Crushing And Grinding (AREA)
- Rotary Pumps (AREA)
Description
- Fig. 1
- einen Teil einer erfindungsgemäßen Vorrichtung in geschnittener Seitenansicht;
- Fig. 2
- eine Detailansicht zweier Garnituren;
- Fig. 3
- Aufsicht auf eine Garnitur von der Stoffseite her;
- Fig. 4
- Aufsicht auf eine Garnitur von der Rückseite her;
- Fig. 5 + 6
- jeweils eine weitere Detailansicht von verschiedenen Ausgestaltungen der Garnitur.
Claims (17)
- Vorrichtung zur Dispergierung von hochkonsistentem Faserstoff, die mindestens zwei Garnituren (1, 2,) hat,1.1 die jeweils eine im Wesentlichen rotationssymmetrische Form haben und koaxial zueinander angeordnet sind,1.2 die in ringförmigen, zu ihrer Mitte konzentrischen Reihen angeordnete Zähne (3, 3', 3", 4, 4', 4") aufweisen, zwischen welchen sich Zahnlücken (7) befinden, die freie Querschnitte bilden, welche von dem zu behandelnden Faserstoff durchströmbar sind,1.3 die zwischen den Zahnreihen ringförmige Zwischenräume (14) aufweisen,1.4 die so zueinander positioniert sind, dass mindestens eine Zahnreihe einer Garnitur (1,2) in einen ringförmigen Zwischenraum (14) der anderen, komplementären Garnitur (2,1) hineinreicht,1.5 wobei wenigstens eine Garnitur (1) relativ zur anderen in Umfangsrichtung bewegbar ist,
- Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass die bewegbare Garnitur (1) zu einem antreibbaren Rotor (5) gehört und die komplementäre Garnitur (2) zu einem feststehenden Stator (6). - Vorrichtung nach Anspruch 2,
dadurch gekennzeichnet, dass die Rotationsachse des Rotors (15) waagerecht liegt. - Vorrichtung nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet, dass der Axialvorsprung (15) eine axiale Erstreckung (a) von mindestens 4 mm und höchstens 20 mm aufweist. - Vorrichtung nach Anspruch 1, 2, 3 oder 4,
dadurch gekennzeichnet, dass der Axialvorsprung (15) eine radiale Erstreckung (b) von mindestens 4 mm und höchstens 20 mm aufweist. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass benachbarte Axialvorsprünge (15) in Umfangsrichtung einen Abstandswinkel (α) von mindestens 5° haben. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die Anzahl der Axilvorsprünge (15) auf dem ganzen Umfang mindestens acht ist. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die Axialvorsprünge (15) mit der Ebene (E) abschließen, die die Auflagefläche (20) der Garnitur (1) bildet. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die radiale Außenfläche des Axialvorsprungs (15) gegenüber der Umfangsfläche bis zu ± 10° (Winkel β) geneigt ist. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass der äußere Fußkreis (21) des Axialvorsprungs (15) vom äußeren Fußkreis (22) des äußersten Rotorzahnes (3") einen Radialabstand (d) von maximal 15 mm hat. - Vorrichtung nach Anspruch 10,
dadurch gekennzeichnet, dass der äußere Fußkreis (21) des Axialvorsprungs (15) vom äußeren Fußkreis (22) des äußersten Rotorzahnes (3") einen Radialabstand (d) von maximal 5 mm hat. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass der Abstand (c) des radial äußersten Teils der bewegbaren Garnitur (1) vom äußeren Fußkreis (22) des äußersten Rotor-Zahnes (3") maximal 5 mm beträgt. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass Axialvorsprung (15) und Garnitur (1) aus demselben Material in einem Stück hergestellt sind. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass sich radial innerhalb des Axialvorsprunges (15) ein Zentrierbund (16) befindet, der dazu dient, mit einem entsprechenden Vorsatz am Rotor (5) eine Berührungsfläche zur Zentrierung der Garnitur (1) am Rotor (5) zu bilden. - Vorrichtung nach Anspruch 14,
dadurch gekennzeichnet, dass der Zentrierbund (16) eine außenzylindrische und der Vorsatz am Rotor (5) eine innenzylindrische Berührungsfläche bilden. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die Garnitur (1, 2) aus mehreren Segmenten besteht, die zu einem Vollkreis zusammengesetzt werden können. - Vorrichtung nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet, dass die Zähne (3, 3', 3", 4, 4', 4") weder einen runden noch einen ovalen Querschnitt (17) haben.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10017898A DE10017898A1 (de) | 2000-04-11 | 2000-04-11 | Vorrichtung zur Dispergierung von hochkonsistentem Papierfaserstoff sowie Garnituren für diese Vorrichtung |
DE10017898 | 2000-04-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1147804A1 EP1147804A1 (de) | 2001-10-24 |
EP1147804B1 true EP1147804B1 (de) | 2004-09-01 |
Family
ID=7638307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01103920A Expired - Lifetime EP1147804B1 (de) | 2000-04-11 | 2001-02-17 | Vorrichtung zur Dispergierung von hochkonsistentem Papierfaserstoff |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1147804B1 (de) |
AT (1) | ATE274994T1 (de) |
DE (2) | DE10017898A1 (de) |
ES (1) | ES2225323T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337463B4 (de) * | 2003-08-14 | 2005-08-04 | Voith Paper Patent Gmbh | Verfahren zur Herstellung von verschleißresistenten Werkzeugen für die mechanische Behandlung von Zellstofffasern und dessen Verwendung |
DE10337821B3 (de) * | 2003-08-18 | 2005-01-13 | Voith Paper Patent Gmbh | Verfahren zur Behandlung von störende Gefäßzellen enthaltendem Zellstoff |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB763823A (en) * | 1955-01-31 | 1956-12-19 | Jackson And Church Company | Method for treating a fibrous material |
DE1056457B (de) * | 1956-03-08 | 1959-04-30 | Condux Werk | Zahnscheibenmuehle |
US2859110A (en) * | 1956-03-26 | 1958-11-04 | Fibreboard Paper Products Corp | Method and apparatus for treatment of waste paper stock |
GB1133330A (en) * | 1965-10-14 | 1968-11-13 | Bauer Bros Co | A double disc refiner |
US4081147A (en) * | 1976-05-27 | 1978-03-28 | The Black Clawson Company | Reversible disk refiner plates |
AT375417B (de) * | 1980-11-25 | 1984-08-10 | Escher Wyss Gmbh | Dispergiervorrichtung fuer die aufbereitung von altpapierstoff |
US4820381A (en) * | 1987-02-25 | 1989-04-11 | Internationa Paper Company | Pulp refiner with fluidizing inlet |
US5934585A (en) * | 1997-05-05 | 1999-08-10 | J & L Fiber Services Inc | Refiner plate assembly and method of mounting |
DE19802260A1 (de) * | 1998-01-22 | 1999-07-29 | Voith Sulzer Papiertech Patent | Vorrichtung zur mechanischen Behandlung von hochkonsistentem Faserstoff |
-
2000
- 2000-04-11 DE DE10017898A patent/DE10017898A1/de not_active Withdrawn
-
2001
- 2001-02-17 EP EP01103920A patent/EP1147804B1/de not_active Expired - Lifetime
- 2001-02-17 ES ES01103920T patent/ES2225323T3/es not_active Expired - Lifetime
- 2001-02-17 AT AT01103920T patent/ATE274994T1/de active
- 2001-02-17 DE DE50103441T patent/DE50103441D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2225323T3 (es) | 2005-03-16 |
DE50103441D1 (de) | 2004-10-07 |
EP1147804A1 (de) | 2001-10-24 |
DE10017898A1 (de) | 2001-10-31 |
ATE274994T1 (de) | 2004-09-15 |
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