EP1122356B1 - Refiner - Google Patents
Refiner Download PDFInfo
- Publication number
- EP1122356B1 EP1122356B1 EP01101560A EP01101560A EP1122356B1 EP 1122356 B1 EP1122356 B1 EP 1122356B1 EP 01101560 A EP01101560 A EP 01101560A EP 01101560 A EP01101560 A EP 01101560A EP 1122356 B1 EP1122356 B1 EP 1122356B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- refiner
- conical
- feed channel
- inlet pipe
- 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
- 238000007670 refining Methods 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 description 22
- 239000000126 substance Substances 0.000 description 14
- 239000004744 fabric Substances 0.000 description 9
- 230000001133 acceleration Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- D21D1/20—Methods of refining
- D21D1/34—Other mills or refiners
- D21D1/38—Other mills or refiners with horizontal shaft
-
- 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
- D21D1/22—Jordans
Definitions
- the invention relates to a refiner for grinding a pulp suspension consisting of a rotor and stator with an inlet tube and a cylindrical or conical grinding gap between rotor and stator.
- the aim of the invention is therefore to avoid the disadvantages of the known cylinder and cone refiner to allow high throughputs as a result.
- the invention is therefore characterized in that the material supply channel extends from the inlet pipe to the grinding gap in the radial direction, wherein in the material supply channel and / or inlet pipe internals, in particular blades, are arranged.
- the supplied material is here accelerated by the rotation of the rotor in the circumferential direction, whereby an increase in pressure in the liquid is effected.
- this supply of pressure can save the feed pump and, on the other hand, a good rotationally symmetrical flow is achieved.
- the acceleration of the liquid can be significantly enhanced in addition to the effects of wall friction.
- An advantageous embodiment of the invention is characterized in that that the substance supply channel is formed rotationally symmetrical. Thereby results in a uniform and rotationally symmetrical flow of the Grinding gaps.
- An advantageous development of the invention is characterized in that in that in that the inlet pipe connected to the material supply channel has an axis has, which coincides with the axis of the rotor. In this way the substance feed takes place directly in the axis of the refiner, which causes the substance on the one hand already partly in the tube before entering the substance supply channel is accelerated and on the other hand an even more even distribution of the substance is effected.
- a favorable development of the invention is characterized in that that between the inlet pipe and the grinding gap, a disc is provided which limited the substance supply channel. If the substance supply outside the Axis, so the material is deflected by the disc on the shaft and rotationally symmetrical led to the outside, here between disc and Rotor face the acceleration of the liquid radially outward takes place and then the liquid in the Mahlspalt evenly distributed flows.
- a favorable embodiment of the invention is characterized in that that a cylindrical rotor is provided. It can also be a turn in Flow direction of the material expanding conical rotor or alternatively a tapered conical rotor in the flow direction of the substance be provided. Depending on the requirement, the appropriate form of the Mahlspalts be used.
- a double rotor in which the Rotor both cylindrical and conical (expanding cone or tapering cone) may be a large Throughput can be achieved, where also a uniform rotationally symmetrical flow of Mahlspalte done.
- a favorable development of the invention is characterized in that in that in that the substance feed channel is arranged between the two rotors. Especially when using an inlet tube, which is in the axis of a Rotor is located, the fabric can be fed to the center of the refiner and there be guided by the rotation to the outside, resulting in a corresponding increase in pressure leads. In further consequence the material becomes centered introduced into the corresponding Mahlspalt, creating another Homogenization of the feed is achieved.
- An advantageous embodiment of the invention is characterized in that that a cylindrical and a conical grinding gap lined up are.
- the juxtaposition of a cylindrical and a conical Mahlspaltes can either be on a rotor or using two consecutive different rotors can be achieved. In both cases, the sequence of the sequence is arbitrary and only dependent on the material properties to be achieved.
- a variant with axial material supply Fig. 2 a Variant with lateral material supply
- Fig. 3 shows an analogous variant to Fig. 2 with conical rotor
- Fig. 4 shows a further variant with conical rotor
- Fig. 5 a Variant with cylindrical double rotor and axial material supply
- Fig. 6 and Fig. 7 shows a variant with double bevel rotors both tapered and expanding and axial material supply
- Fig. 8 shows a variant with cylindrical Double rotor and lateral material supply
- Fig. 9 shows a variant with axial Fuel supply and double rotor consisting of cylinder and cone rotor
- Fig. 14 is a section along line A-A in Fig. 5th represents.
- FIG. 1 shows a refiner according to the invention with inlet 1, Cloth feed channel 7, grinding zone 3, outlet 4, rotor 5 and stator 6.
- the substance flows through the inlet 1, which is arranged in the axis of the rotor 5 is, centrally in the refiner.
- In the acceleration zone 7 between rotor 5 and housing 6 is made by wall friction or by special installations (see Fig. 14) an acceleration of the fabric in the circumferential direction and thereby the pressure build-up. Then the fabric flows through the Mahlzone 3 and leaves the refiner through the outlet 4.
- the housing 6 consists here of a displaceable in the axial direction ring on the a wedge 10 is attached.
- the refining plates are with another wedge 11 connected, whereby by the displacement of the ring 9, a setting of the grinding gap 3 takes place.
- Fig. 2 shows an analogously constructed refiner, in which case the material supply takes place laterally.
- the fabric flows through the laterally arranged Inlet 1 in the refiner and is through a disc 8 to the shaft diverted. There he becomes by the wall friction or by special Internals accelerated and enters the substance supply channel 7 between Disc 8 and rotor 5, wherein channel 7 acts as an acceleration zone. In this acceleration zone there is a further acceleration in Circumferential direction and thus the required pressure build-up. Of the Pressure build-up is in the range of 1.5 to 2 bar.
- the material flows through the grinding zone 3 and leaves the Refiner through the inlet 1 opposite outlet 4. Again the adjustment of the grinding gap 3 by the displaceable arranged wedges 10 and 11th
- Fig. 3 and Fig. 4 show analog refiner to Fig. 2, wherein at the same Cloth guide in Fig. 3 is a conical refiner with a widening Cone cone and in Fig. 4 a conical or cone refiner with a tapered cone is shown.
- Fig. 5 the operation of a refiner is shown with double rotor.
- the substance flows through the as Hollow shaft formed inlet 1 through the rotor 5 to the center arranged fabric feed channel 2.
- the pressure build-up By the acceleration of the substance in the circumferential direction in the hollow shaft of the inlet 1 and in Stoffzuschreibkanal 2 here is the pressure build-up.
- the adjustment of the grinding gap 23 takes place here again by means of an axially displaceable ring 9.
- the possibility of acting over the entire length wedge 10 or Counterpart 11 connected to the refining plates is here in a wedge 10a and wedge 10b split wedge 10.
- the counterpart 11 has corresponding wedge-shaped surfaces. This is a better and better way more uniform distribution of force achievable.
- FIGS. 6 and 7 provide a refiner analogous to FIG. 5 Bicone, wherein the cone shape from the material supply channel 2 from seen to the outlet 4a and 4b is expanded in Fig. 6 and in Fig. 7 is formed tapering.
- FIG. 8 Another possibility is the embodiment of FIG. 8, wherein here the material on both sides through the inlet 1a and 1b in the direction of the shaft fed and deflected by the disc 8 in the fabric feed channel 7 becomes. From there, the material enters the grinding gap 3 on both sides and becomes central discharged via the outlet 4. The same stuff is also with one Bicone possible, this from the outer inlet to the center Outlet as an either expanding or tapering cone can be provided.
- Fig. 9 shows the example of a refiner with double rotor and as a hollow shaft trained axial inlet 1, the combination of cylindrical and conical grinding zones.
- the Flow also on both sides through an inlet with a diverter take place through a disk and the outlet be centrally located.
- Figs. 10 to 13 illustrate the combination of cylindrical and cone-shaped grinding zones on a rotor dar.
- the flow either first through the cylinder (FIG. 11, FIG. 12) or first through a cone part (Fig. 10, Fig. 13), the cone either expanding (FIG. 10, FIG. 12) or tapering (FIG. 11, FIG. 13) is.
- the definition of widening or tapering for the cone is always done in the flow direction of the substance.
- Fig. 14 shows a section along line A-A in Fig. 5. It can be seen here Internals 12, which are also referred to as blades or wings can. These baffles 12 divide the fabric feed channel 2 into individual ones Stoffzuschreibkanäle 2 'through which the pulp suspension from central inlet 1 to the outer grinding gap 3 is guided. By these baffles 12, here as wedges made of full material are formed, the pulp suspension is additionally accelerated and it there is an increase in pressure.
- the internals 12 but can also be hollow be rounded or rounded on its surface, i. formed scoop-shaped be. Such internals 12 can also be used in the material channel 7 e.g. of the Embodiments of Fig. 1 - 4, or 8, 10 - 13 as well as the Fig. 5 analogous embodiments of FIGS. 6, 7 and 9 are used.
Landscapes
- Paper (AREA)
- Glass Compositions (AREA)
- Crushing And Grinding (AREA)
Description
Die Erfindung ist daher dadurch gekennzeichnet, daß sich der Stoffzufuhrkanal vom Einlaßrohr zum Mahlspalt hin in radialer Richtung erstreckt, wobei im Stoffzufuhrkanal und/oder Einlaßrohr Einbauten, insbesondere Schaufeln, angeordnet sind. Der zugeführte Stoff wird hier durch die Rotation des Rotors in Umfangsrichtung beschleunigt, wodurch ein Druckanstieg in der Flüssigkeit bewirkt wird. Durch diesen Druckaufbau kann man einerseits die Zuführpumpe einsparen andererseits erfolgt dadurch eine gute rotationssymetrische Anströmung. Durch die erfindungsgemäßen Einbauten im Einlaßrohr oder im Stoffzufuhrkanal kann die Beschleunigung der Flüssigkeit zusätzlich zu den Effekten der Wandreibung noch wesentlich verstärkt werden.
Claims (10)
- Refiner zur Mahlung einer Zellstoffsuspension bestehend aus einem Rotor und einem Stator mit einem Einlassrohr und einem zylinder- oder kegelförmigen Mahlspalt zwischen Rotor und Stator, dadurch gekennzeichnet, dass sich der Stoffzufuhrkanal (2,7) vom Einlassrohr (1) zum Mahlspalt (3) hin in radialer Richtung erstreckt, wobei im Stoffzufuhrkanal (2,7) und/oder Einlassrohr (1) Einbauten (12), insbesondere Schaufeln, angeordnet sind.
- Refiner nach Anspruch 1, dadurch gekennzeichnet, dass der Stoffzufuhrkanal (2,7) rotationssymmetrisch ausgebildet ist.
- Refiner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das mit dem Stoffzufuhrkanal (2) verbundene Einlaßrohr (1) eine Achse aufweist, die mit der Achse des Rotors zusammenfällt.
- Refiner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zwischen Einlassrohr (1) und Mahlspalt (3) eine Scheibe (8) vorgesehen ist, die den Stoffzufuhrkanal (7) begrenzt.
- Refiner nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ein zylindrischer Rotor (5) vorgesehen ist.
- Refiner nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ein sich in Strömungsrichtung des Stoffes erweiternder Kegelrotor (5) vorgesehen ist.
- Refiner nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ein sich in Strömungsrichtung des Stoffes verjüngender Kegelrotor (5) vorgesehen ist.
- Refiner nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass ein Doppelrotor (5) vorgesehen ist.
- Refiner nach Anspruch 8, dadurch gekennzeichnet, dass der Stoffzufuhrkanal (2) zwischen den beiden Rotoren (5) angeordnet ist.
- Refiner nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass ein zylindrischer und ein kegelförmiger Mahlspalt (3) aneinandergereiht sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01101560T ATE302874T1 (de) | 2000-02-03 | 2001-01-25 | Refiner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT168002000 | 2000-02-03 | ||
AT0016800A AT408769B (de) | 2000-02-03 | 2000-02-03 | Refiner |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1122356A2 EP1122356A2 (de) | 2001-08-08 |
EP1122356A3 EP1122356A3 (de) | 2001-11-28 |
EP1122356B1 true EP1122356B1 (de) | 2005-08-24 |
Family
ID=3654399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01101560A Expired - Lifetime EP1122356B1 (de) | 2000-02-03 | 2001-01-25 | Refiner |
Country Status (8)
Country | Link |
---|---|
US (1) | US6637686B2 (de) |
EP (1) | EP1122356B1 (de) |
CN (1) | CN1201048C (de) |
AT (2) | AT408769B (de) |
BR (1) | BR0100357A (de) |
CA (1) | CA2333799A1 (de) |
DE (1) | DE50107162D1 (de) |
ES (1) | ES2246939T3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005013693A1 (de) | 2005-03-21 | 2006-09-28 | Cvp Clean Value Plastics Gmbh | Verfahren und Anlage zur Herstellung eines Faserstoffes aus agglomeriertem Mischkunststoff |
SE530009C2 (sv) * | 2006-06-01 | 2008-02-05 | Metso Paper Inc | Anordning för uppriktning av en malapparats maldon |
FI121963B (fi) * | 2009-07-03 | 2011-06-30 | Metso Paper Inc | Jauhin |
CN103061190B (zh) * | 2013-01-16 | 2015-01-07 | 苏州飞宇精密科技股份有限公司 | 圆柱形单磨磨浆机 |
CN103061189B (zh) * | 2013-01-16 | 2015-01-07 | 苏州飞宇精密科技股份有限公司 | 具有双磨区的圆柱磨浆机 |
CN103362013A (zh) * | 2013-04-03 | 2013-10-23 | 上海尚鼎机械科技有限公司 | 圆筒形磨浆机间隙调节优化结构 |
CN104480767B (zh) * | 2014-11-10 | 2016-11-09 | 合肥宏图彩印有限公司 | 一种用于圆柱磨浆机中的压紧机构 |
CN104452400B (zh) * | 2014-11-10 | 2016-11-09 | 合肥宏图彩印有限公司 | 一种用于玄武岩刀辊的压紧机构 |
CN105908554B (zh) * | 2015-08-26 | 2019-01-18 | 李军 | 圆柱式解纤磨浆机 |
DE102015118858B3 (de) * | 2015-11-04 | 2017-02-09 | Netzsch-Feinmahltechnik Gmbh | Zerkleinerungsvorrichtung und Verfahren zum Zerkleinern von Rohstoffen |
CN113529466A (zh) * | 2020-04-14 | 2021-10-22 | 郑州运达造纸设备有限公司 | 一种带预处理功能的高频疏解机 |
CN113058681B (zh) * | 2021-04-16 | 2022-09-30 | 哈尔滨工程北米科技有限公司 | 一种留胚米加工方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1158726A (fr) * | 1956-10-18 | 1958-06-18 | Dorries A G O | Machine raffineuse pour pâtes à papiers et applications similaires |
US3586250A (en) * | 1968-10-30 | 1971-06-22 | Bauer Bros Co | Adjustable noncoaxial disc refiner |
US3708130A (en) * | 1971-03-09 | 1973-01-02 | Norton Co | Pulp refiners |
US3806050A (en) * | 1971-05-12 | 1974-04-23 | E Cumpston | Mixer-refiner |
GB1407712A (en) * | 1973-03-09 | 1975-09-24 | Cumpston Edward H | Mixer-refiner |
FI59272C (fi) * | 1980-03-25 | 1981-07-10 | Enso Gutzeit Oy | Skivraffinoer |
US4401280A (en) * | 1980-09-08 | 1983-08-30 | Sunds Defibrator, Inc. | Disc-type pulp refining apparatus |
SE456748B (sv) * | 1986-04-10 | 1988-10-31 | Kamyr Ab | Foerfarande och anordning foer raffinering av fibermaterial |
AT389532B (de) * | 1987-11-05 | 1989-12-27 | Andritz Ag Maschf | Refiner zur zerkleinerung bzw. zum mahlen von insbesondere nassem bzw. mit wasser vermischten faserstoffmaterial |
US4986480A (en) * | 1989-06-29 | 1991-01-22 | Kamyr Ab | Method and apparatus for feeding a conical refiner |
FI85391C (fi) * | 1989-10-05 | 1992-04-10 | Sunds Defibrator Jylha Oy | Konraffinoer. |
AT394588B (de) * | 1990-01-23 | 1992-05-11 | Andritz Ag Maschf | Zerkleinerungsflaechen aufweisendes segment fuer trommelrefiner und hiemit versehene anordnung |
US5383608A (en) * | 1993-03-22 | 1995-01-24 | Andritz Sprout-Bauer, Inc. | Twin conical refiner with dual ribbon feeders |
US5813618A (en) * | 1995-11-28 | 1998-09-29 | Andritz Sprout-Bauer, Inc. | Continuous cyclindrical wood pulp refiner |
AT408768B (de) * | 2000-02-03 | 2002-03-25 | Andritz Ag Maschf | Refiner zur zerkleinerung von faserstoffen |
-
2000
- 2000-02-03 AT AT0016800A patent/AT408769B/de not_active IP Right Cessation
-
2001
- 2001-01-25 DE DE50107162T patent/DE50107162D1/de not_active Expired - Lifetime
- 2001-01-25 EP EP01101560A patent/EP1122356B1/de not_active Expired - Lifetime
- 2001-01-25 AT AT01101560T patent/ATE302874T1/de not_active IP Right Cessation
- 2001-01-25 ES ES01101560T patent/ES2246939T3/es not_active Expired - Lifetime
- 2001-02-01 CA CA002333799A patent/CA2333799A1/en not_active Abandoned
- 2001-02-02 US US09/775,996 patent/US6637686B2/en not_active Expired - Fee Related
- 2001-02-02 CN CNB011119225A patent/CN1201048C/zh not_active Expired - Lifetime
- 2001-02-05 BR BR0100357-7A patent/BR0100357A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1201048C (zh) | 2005-05-11 |
CA2333799A1 (en) | 2001-08-03 |
CN1311370A (zh) | 2001-09-05 |
AT408769B (de) | 2002-03-25 |
ATE302874T1 (de) | 2005-09-15 |
ATA1682000A (de) | 2001-07-15 |
US6637686B2 (en) | 2003-10-28 |
DE50107162D1 (de) | 2005-09-29 |
EP1122356A3 (de) | 2001-11-28 |
US20010020660A1 (en) | 2001-09-13 |
ES2246939T3 (es) | 2006-03-01 |
EP1122356A2 (de) | 2001-08-08 |
BR0100357A (pt) | 2001-10-02 |
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