EP0124431B1 - Stofflöserrotoren - Google Patents

Stofflöserrotoren Download PDF

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Publication number
EP0124431B1
EP0124431B1 EP84400817A EP84400817A EP0124431B1 EP 0124431 B1 EP0124431 B1 EP 0124431B1 EP 84400817 A EP84400817 A EP 84400817A EP 84400817 A EP84400817 A EP 84400817A EP 0124431 B1 EP0124431 B1 EP 0124431B1
Authority
EP
European Patent Office
Prior art keywords
turbine
shaft
disks
helical
turbine 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.)
Expired
Application number
EP84400817A
Other languages
English (en)
French (fr)
Other versions
EP0124431A1 (de
Inventor
Jean-Pierre Lamort
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.)
Kadant Lamort SAS
Original Assignee
E&M Lamort Fils SA
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 E&M Lamort Fils SA filed Critical E&M Lamort Fils SA
Priority to AT84400817T priority Critical patent/ATE25468T1/de
Publication of EP0124431A1 publication Critical patent/EP0124431A1/de
Application granted granted Critical
Publication of EP0124431B1 publication Critical patent/EP0124431B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • D21B1/347—Rotor assemblies

Definitions

  • the first operation consists in placing the waste paper in bulk in devices supplied with water and subjecting them to a first treatment such as to disintegrate the fiber and to allow or effect the separation of large impurities, such as twine, wire, large plastics, etc.
  • a first treatment such as to disintegrate the fiber and to allow or effect the separation of large impurities, such as twine, wire, large plastics, etc.
  • large impurities such as twine, wire, large plastics, etc.
  • primary pulpers are used, or so-called primary pulpers.
  • the trommels are generally cylinders rotating on a horizontal axis in which are provided shredding bars or balls and which are followed by sieve trommels or separating devices.
  • these trommels operate slowly and with a low flow rate and they provide a mixture with a low concentration of pulp (2 to 3% of dry matter), so that it is then necessary to carry out costly concentration operations.
  • Primary pulpers are generally open cylinder-shaped devices with a paddle rotor at the bottom.
  • the rotor is relatively flat and exerts a violent centrifugal action on the material in contact with a perforated bottom or fitted with bars, which causes the material to be shredded, part of which crosses the bottom and is then taken up. by separators or secondary pulpers.
  • Such a rotor is described for example in US-A-3,171,606.
  • This rotor further comprises a central protuberance carrying a spiral blade exerting a cleaning action directed upwards.
  • the disadvantage of these devices is a low concentration of the material obtained and excessive shredding, which interests not only the fibrous parts to be recovered, but also non-fibrous parts (twine, metal parts, plastics).
  • Certain other pulpers known under the name of “helical” pulpers, comprise a turbine in the form of a propeller with a vertical axis which imparts to the material an axial downward movement followed by a centrifugal movement on a smooth bottom.
  • defibration is carried out by fiber-to-fiber friction, the centrifuged material being sprayed onto relatively immobile material. Little shredding occurs and as a result the contaminants or impurities are preserved and are not divided while the paper is shredded.
  • An apparatus of this type is described in the patent VOITH GB-A-2,080,146. It includes a turbine mounted in the bottom of a tank, the turbine shaft is conical and a blade is wound in a spiral along the cone. The dough is drawn into this spiral with increasing speed down to the bottom of the tank and is projected onto the bottom by centrifugation.
  • the apparatuses of the so-called "helicopter” type to which the invention relates generally operate discontinuously, without a bottom grid, and the content of the pulper is then poured into separators which separate the good pulp from the impurities; such a separator is described in French patent 83.04929 filed March 25, 1983 in the name of the applicant.
  • the concentration obtained in these devices is of the order of 15% of dry matter, which is high enough to allow dilution in the following classification devices.
  • the object of the invention is to remedy these drawbacks and relates to a helical turbine for a pulper making it possible to produce, at lower cost and with greater efficiency, a range of pulpers much more extensive in volume, and in particular allowing the production of small units.
  • the turbine according to the invention is a pulper turbine intended to be placed on the bottom of a pulper tank comprising radiating curved and obliquely oriented fins as well as a helical disc of vertical axis, extending over 360 ° at more, characterized in that it consists of a vertical shaft carrying at its base blades-shaped fins extending in a spiral from the tree and surmounted by at least two helical discs, of small pitch, coaxial to the shaft, superimposed and oriented to exert a downward action when the fins exert a centrifugal action, said discs being separated along the shaft by a distance at least equal to 1.5 times the helical pitch of a disk.
  • the turbine according to the invention intended to be placed on the bottom of a primary pulper 1 of known shape, is formed of a shaft 2 of axis 9 bearing successively, from from the top, several helical discs 3, 4, 5 distant from each other, and at the bottom, several spiral fins 6, 7, 8.
  • the helical discs 3, 4, 5 are wound in a helix or in Archimedes screw around the shaft 2, each disc having an extension at most equal to one complete turn (360 °).
  • the pitch of each of these helical discs is small, the slope a at the periphery of the disc being of the order of 15 °.
  • the distance AB between two discs, measured along the shaft 2, is, on the other hand, relatively large. It is this distance which determines the height of the flow channel defined by two successive discs. This distance can vary within fairly wide limits.
  • the invention provides that the distance AB is at least equal to 1.5 times and preferably of the order of 2 times the pitch of a disc.
  • the shape of the spiral fins 6, 7, 8 is particularly visible in Figure 4 (view from below).
  • Their general shape is that of blades which develop in a spiral from the tree 2.
  • the curve adopted is that of Bernouilli spiral with constant angle p between 25 ° and 35 °.
  • the height of the blades 6, 7, 8 preferably decreases from the shaft 2 to their ends, the high point of each fin possibly being close to the nearest helical disc.
  • the number of these fins is preferably at least equal to three. They register. in an external diameter greater than that of the discs 3, 4, 5.
  • the assembly thus formed is in the general shape of a cone or bell at an angle at the top y of the order of 60 ° to 80 °.
  • the turbine according to the invention is presented as a shaft carrying a succession of helical washers of increasing diameter placed at a distance from each other and followed by a centrifugal rotor with spiral fins.
  • the turbine of the invention makes it possible to work at higher concentrations which can reach more than 20%, that is to say more than 200 g of dry matter per liter, which increases its defibrating power.
  • the manufacturing price of the turbine according to the invention is 4 to 5 times lower, which is considerable.
  • the turbine according to the invention therefore opens up new development perspectives for this kind of primary pulpers.
  • the turbine comprises two helical disks 3, 4 offset by approximately 180 °, while in the example in FIG. 3, three disks 3, 4, 5 are provided offset by approximately 120 ° .
  • the offsets adopted are those which give the best balance in rotation taking into account the differences in diameter of the different discs.
  • Each helical disc will preferably not extend beyond a full revolution (360 °) to avoid the formation of a narrow channel and the resulting jamming.
  • the discs can be more fragmented and extend at a much smaller angle.
  • a washer 10 for supporting the fins 6, 7, 8 is advantageously provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Saccharide Compounds (AREA)
  • Hydraulic Turbines (AREA)
  • Control Of Turbines (AREA)

Claims (11)

1. Pulperturbine zur Anbringung am Boden eines Zerfasererbehälters mit strahlenförmig angeordneten, gekrümmten, schräg ausgerichteten Flügeln sowie einer spiralförmigen Scheibe über höchstens 360° um eine Stehachse, dadurch gekennzeichnet, daß sie aus einer senkrechten Welle (2) mit spiralig angeordneten Schneideflügeln (6, 7, 8) an der Wellenbasis (10) und darüber mindestens zwei übereinanderliegenden, koaxial zur Welle angebrachten Spiralscheiben (3, 4) mit niedriger Steigungshöhe und einem Abstand zueinander von mindestens 1,5mal der Scheibensteigungshöhe besteht, wobei die Spiralscheiben so ausgerichtet sind, daß sie nach unten wirken, während die Flügel eine Zentrifugalkraft ausüben.
2. Turbine nach Anspruch 1, dadurch gekennzeichnet, daß die Umfangsneigung einer Spiralscheibe (3, 4, 5) in bezug auf die senkrechte Ebene zur Welle (2) ungefähr 15° beträgt.
3. Turbine nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Abstand zwischen zwei entlang der Welle (2) angeordneten Spiralscheiben mindestens 2mal die Steigungshöhe einer dieser Spiralscheiben (3, 4, 5) beträgt.
4. Turbine nach Anspruch 1-3, dadurch gekennzeichnet, daß der mittlere Durchmesser der Spiralscheiben (3, 4, 5) von oben nach unten zur Turbinenbasis (10) zunimmt.
5. Turbine nach Anspruch 4, dadurch gekennzeichnet, daß die Durchmesserzunahme so ausgelegt ist, daß die Spiralscheiben (3, 4, 5) in einen Kegel mit einem Winkel (y) von 60°-80° an der Spitze eingeschrieben werden können.
6. Turbine nach Anspruch 1-5, dadurch gekennzeichnet, daß die Spiralscheiben (3, 4, 5) jeweils um einen Winkel von insgesamt ungefähr 360°, geteilt durch die Anzahl der Scheiben, versetzt sind.
7. Turbine nach Anspruch 1-6, dadurch gekennzeichnet, daß der Umfang der Spiralscheiben (3, 4, 5) um die Welle (2) jeweils zirka 360° beträgt.
8. Turbine nach Anspruch 1-7, dadurch gekennzeichnet, daß die unteren Schneideflügel (6, 7, 8) in Form einer Bernouilli-Spirale mit einem Winkel von 25°-30° gekrümmt sind.
9. Turbine nach Anspruch 1-8, dadurch gekennzeichnet, daß die unteren Flügel (6, 7, 8) aus gekrümmten Schneidemessern mit von der Welle (2) zum Rand abnehmender Höhe bestehen.
10. Turbine nach Anspruch 1-9, dadurch gekennzeichnet, daß die Enden der unteren Schneideflügel (6, 7, 8) einen größeren Durchmesser als die Spiralscheiben (3, 4, 5) beschreiben.
11. Papierstofflöser mit einem vertikalen offenen Behälter und einer am Behälterboden angebrachten Turbine, dadurch gekennzeichnet, daß die Turbine einem der o. a. Ansprüche genügt.
EP84400817A 1983-04-22 1984-04-20 Stofflöserrotoren Expired EP0124431B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84400817T ATE25468T1 (de) 1983-04-22 1984-04-20 Stoffloeserrotoren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8306636A FR2544756B1 (fr) 1983-04-22 1983-04-22 Perfectionnements aux turbines de defibrage
FR8306636 1983-04-22

Publications (2)

Publication Number Publication Date
EP0124431A1 EP0124431A1 (de) 1984-11-07
EP0124431B1 true EP0124431B1 (de) 1987-02-11

Family

ID=9288120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400817A Expired EP0124431B1 (de) 1983-04-22 1984-04-20 Stofflöserrotoren

Country Status (8)

Country Link
US (1) US4607802A (de)
EP (1) EP0124431B1 (de)
JP (1) JPS6045691A (de)
AT (1) ATE25468T1 (de)
DE (1) DE3462376D1 (de)
ES (1) ES287335Y (de)
FI (1) FI75002C (de)
FR (1) FR2544756B1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795070B2 (ja) * 1986-06-10 1995-10-11 東ソー株式会社 生化学反応測定装置に用いられる反応カツプ搬送用の吸着ヘツド
FI77904C (fi) * 1986-12-19 1989-05-10 Yhtyneet Paperitehtaat Oy Anordning foer destruktion av papper, kartong och massa.
FI77903C (fi) * 1986-12-19 1989-05-10 Yhtyneet Paperitehtaat Oy Anordning foer destruktion av papper, kartong och massa.
FR2630139A1 (fr) * 1988-04-18 1989-10-20 Lamort E & M Pulpeur de pate a papier
US4902412A (en) * 1988-06-27 1990-02-20 Wizzz-Rd Corp. Swimming pool water recirculation system
US5429436A (en) * 1994-07-05 1995-07-04 Art's-Way Manufacturing Co., Inc. Unibody vertical forage mixer with weighing mechanism
US5456416A (en) * 1994-07-13 1995-10-10 Alteen Distributors, Ltd. Mixer
US5615839A (en) * 1994-07-13 1997-04-01 Alteen Distributors, Ltd. Mixer
US5762756A (en) * 1994-11-21 1998-06-09 The Black Clawson Company Methods and apparatus for pulping and deinking
IT1280070B1 (it) * 1995-06-05 1997-12-29 Comer Spa Spappolatore per paste cartacee
US5590963A (en) * 1996-04-09 1997-01-07 Schuler Manufacturing & Equipment Co., Inc. Vertical feed mixer with hay claws
US5647665A (en) * 1996-04-18 1997-07-15 Schuler Manufacturing & Equipment Co., Inc. Vertical feed mixer with flighting plows
SE509293C2 (sv) 1997-04-29 1999-01-11 Cellwood Machinery Ab Anordning vid massaupplösare
CA2316092C (en) * 1999-08-13 2003-04-22 Jay-Lor Fabricating Inc. Vertical feed mixer with auger having center post with sloped top
US6508422B2 (en) * 2001-05-11 2003-01-21 Voith Paper, Inc. Pulper for a fiber stock preparation system
US6929394B2 (en) * 2002-07-18 2005-08-16 Jay-Lor International Inc. Door for a vertical mixer
US6817752B2 (en) * 2002-10-10 2004-11-16 Kuhnknight Inc Auger device for a vertical mixer
CA2513609A1 (en) * 2003-01-16 2004-08-05 Kadant Black Clawson Inc. Improved pulper rotor and assembly
DE20308404U1 (de) * 2003-05-28 2004-09-30 Trioliet Mullos B.V. Mischer
US6969191B2 (en) * 2003-09-22 2005-11-29 Jay-Lor International Inc. Linkage mechanism for a vertical mixer
US20050099885A1 (en) * 2003-11-12 2005-05-12 Tamminga Jacob R. Drive mechanism for a rear engine power takeoff
US20050224610A1 (en) * 2004-01-13 2005-10-13 Egan John J Iii Pulper rotor and assembly
DE102005045469A1 (de) * 2005-05-18 2006-11-30 Repa Boltersdorf Gmbh Verfahren zum Gewinnen von Fasern aus einer Fasern enthaltenden Mischung
FR2895423B1 (fr) * 2005-12-23 2009-04-24 Georgia Pacific France Soc En Procede de preparation de pate a papier a partir de papiers recycles contenant des contaminants
JP4946260B2 (ja) 2006-08-16 2012-06-06 富士通セミコンダクター株式会社 アンチヒューズ書込電圧発生回路を内蔵する半導体メモリ装置
FR2908058A1 (fr) * 2006-11-02 2008-05-09 Kadant Lamort Soc Par Actions Turbines a plaques
DE102013213246A1 (de) * 2013-07-05 2015-01-08 Robert Bosch Gmbh Ventil-Mühle-Anordnung
CN106894270A (zh) * 2017-02-16 2017-06-27 天津市腾旭工贸有限公司 一种造纸用碎浆机
CN109930547B (zh) * 2019-03-27 2021-03-16 秦皇岛润昌科技开发有限公司 海洋生态治理垃圾中提取有机物装置
CN111424450B (zh) * 2020-04-10 2022-06-17 郑州磊展科技造纸机械有限公司 一种带筛板的高浓水力碎浆机
CN112746512A (zh) * 2021-02-22 2021-05-04 张思磊 一种环保机械用瓦楞纸回收处理设备

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US2626132A (en) * 1948-09-15 1953-01-20 Reed Claude Mixing device for frozen confections
US2648261A (en) * 1950-06-30 1953-08-11 Chaplin Corp Fiber disintegrator and separator
FR1245815A (fr) * 1958-11-28 1960-11-10 Grubbens & Co Aktiebolag Perfectionnements apportés aux machines pour former des pulpes ou pâtes à papier
US3171606A (en) * 1962-06-06 1965-03-02 Ed Jones Corp Circulating and disintegrating rotor for pulping apparatus
US3323570A (en) * 1964-05-27 1967-06-06 Tullock Nigral Ray Plastic ingredients mixing and grinding attachment
BE681488A (de) * 1965-10-25 1966-10-31
DE2917814C2 (de) * 1979-05-03 1983-12-08 J.M. Voith Gmbh, 7920 Heidenheim Stofflöser zur Herstellung von Papierstoffsuspensionen
DE3027044C2 (de) * 1980-07-17 1982-12-16 J.M. Voith Gmbh, 7920 Heidenheim Rotor für einen Stofflöser

Also Published As

Publication number Publication date
ES287335U (es) 1985-12-16
EP0124431A1 (de) 1984-11-07
US4607802A (en) 1986-08-26
ES287335Y (es) 1986-07-16
FR2544756B1 (fr) 1985-08-30
FR2544756A1 (fr) 1984-10-26
FI841587A0 (fi) 1984-04-19
FI841587A (fi) 1984-10-23
ATE25468T1 (de) 1987-02-15
JPS6045691A (ja) 1985-03-12
FI75002C (fi) 1988-04-11
JPS6212354B2 (de) 1987-03-18
FI75002B (fi) 1987-12-31
DE3462376D1 (en) 1987-03-19

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