EP2024091B1 - Presse à rouleaux notamment pour le broyage d'un lit de matière - Google Patents

Presse à rouleaux notamment pour le broyage d'un lit de matière Download PDF

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Publication number
EP2024091B1
EP2024091B1 EP07725735A EP07725735A EP2024091B1 EP 2024091 B1 EP2024091 B1 EP 2024091B1 EP 07725735 A EP07725735 A EP 07725735A EP 07725735 A EP07725735 A EP 07725735A EP 2024091 B1 EP2024091 B1 EP 2024091B1
Authority
EP
European Patent Office
Prior art keywords
nip
roller
pressure
pressure screw
press
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.)
Not-in-force
Application number
EP07725735A
Other languages
German (de)
English (en)
Other versions
EP2024091A1 (fr
Inventor
Siegfried Strasser
Andreas Enders
Silke Liedtke
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.)
KHD Humboldt Wedag AG
Original Assignee
KHD Humboldt Wedag AG
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 KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Publication of EP2024091A1 publication Critical patent/EP2024091A1/fr
Application granted granted Critical
Publication of EP2024091B1 publication Critical patent/EP2024091B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/286—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B30B15/308—Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses

Definitions

  • the invention relates to a roll press with two rotatably mounted counter-rotating and separated by a press nip rolls for pressure treatment, in particular for Gutbettzerkleintation or compaction or briquetting granular material, with an above the nip arranged Gutaufgabeschacht with an entry opening for the introduction of coarse material and with a Entrance opening for the introduction of fines material such.
  • the DE-38 23 929 A1 are also used in a machine frame three rolls, namely a driven main roll, at the upper portion of a non-driven idler roller and at the lower portion of a second non-driven idler roller are pressed by means of hydraulic pressure devices.
  • a roller press is known above the nip of which a plurality of filling ducts are arranged next to one another, in each of which a filling screw is located, ie the entire feed material is fed to the nip via the filling screws. Separate treatment and feed of coarse material and fine material in the nip does not take place.
  • the invention has for its object to provide a particular used for Gutbettzerkleintation comparatively simple built roller press, in the Gutaufgabeschacht both coarse material such. B. Frischgut as well as fine-grained material such. B. recirculated grits of a downstream classifier and / or z. As fly ash be introduced, despite the significantly different grain size and particle size distribution in the two to be recovered in the nip streams the stability of the bed of material or grinding bed and thus a high grinding efficiency is guaranteed.
  • the two streams coarse-grained material and fine-grained material are introduced into the crop hopper separated from each other.
  • the Gutaufgabeschacht on its upper side a Grobguteintragsö réelle and preferably lying on the side transverse to the nip at least one fine material insertion opening.
  • a pressure screw conveying the fine grain under pressure is inserted into the feed hopper whose nozzle-like orifice reaches into the central region of the feed intake of the press nip of the roller press and the nozzle of the pressure screw via a joint to the discharge opening the pressure screw is articulated.
  • the fine grain material is surrounded by the coarse grain material in the high pressure zone of the nip, whereby the risk of segregation of the two streams in Gutaufgabeschacht and an alternating supply of coarse and fine material is minimized in the nip.
  • the nozzle of the pressure screw which is inserted transversely to the nip from the side in the crop hopper horizontally or obliquely to the horizontal lying hinged via the joint to the mouth of the pressure screw.
  • the nozzle can in particular center flat nozzle within the print zone in the good bed above the nip of the roller press in the printing center itself.
  • the roll press comprises two rotatably mounted, counterrotatable and separated by a press nip rollers 10, 11, of which the roller 10 is the hard roller, while the other roller 11 is formed as a transverse to the nip movable Loswalze whose bearing housing supported by hydraulic cylinders are, with which the roller press force is used up.
  • a Gutaufgabeschacht 12 which has at its top an entry opening 13 for the introduction of coarse material 14, which is supplied under the action of gravity.
  • Grobgutmaterial 14 may be z. B. to be comminuted or to be ground fresh product such.
  • cement clinker, etc. act and the slope top of this bulk material within the Gutaufgabeschachtes 12 is indicated by 15.
  • Grain size and grain distribution of the feed opening 18 of the screw conveyor 17 imported fines 19 are significantly different to the coarse material 14.
  • the grain size of the introduced fines 19 z. B. up to 100% ⁇ 3 mm, which is the case when introducing z. B. of fine recirculated reformergrie hybrid, fly ash, blastfurnace slag, slag meal etc ..
  • the nozzle at the mouth of the pressure screw 17 for introducing the fine material fraction 19 is arranged above the narrowest nip arranged parallel to this lying within the Gutbett potentiallyung 15 flat nozzle 20.
  • This flat nozzle 20 is articulated via a hinge 21 to the mouth of the pressure screw 17.
  • the nozzle 20 of the pressure screw 19 in the center of Guteinzugs Schemees the press nip is surrounded on all sides by the remaining in the nip coarse grain fraction 15, whereby segregation of the two streams in the narrowest nip, in which in the Gutbettzerklein für the comparatively high roll pressure in the Gutmaterial physicallyung effective is, are avoided.
  • the pressing force on the material of the rolls 10, 11 of the roll press contributes more than 2 MN / m roll length.
  • the grain size of a substantial part of the abandoned coarse material 14 may be larger than the width of the narrowest nip of z. B. 20 mm, which is the case for. B. in grinding not pre-shredded cement clinker with a grain size to z. B. 100 mm, so that then the feedstock in the narrowest nip is crushed by a combined single grain size reduction and comminution.
  • the material passes from the nip crushed and partially agglomerated, ie compacted into slugs 22 whose proportion of particles reduced to the desired final fineness (eg 30% ⁇ 90 ⁇ m) can already be relatively high.
  • the slugs 22 are then deagglomerated and sifted in a downstream device, with the classifier 19 being recirculated to the pressure screw 17 and from there into the narrowest nip of the roller press.

Claims (4)

  1. Presse à rouleaux comprenant deux rouleaux (10, 11) montés à rotation, entraînés en sens inverse et séparés l'un de l'autre par une fente de rouleaux de presse, pour un traitement par compression, notamment pour le broyage d'un lit de matière ou le compactage ou le briquetage de matière granuleuse, comprenant un puits de distribution de matière (12) disposé au-dessus de la fente de rouleaux, avec une ouverture d'entrée (13) pour l'introduction de matériau grossier et avec une ouverture d'entrée (16) pour l'introduction de matériau fin comme par exemple les semoules recirculées d'un dispositif séparateur monté dans le circuit, caractérisée en ce qu' une vis de pression (17) refoulant la matière fine sous pression de pressage est introduite à travers l'au moins une ouverture d'entrée (16) pour matériau fin du puits de distribution de matière (12) à l'intérieur de ce dernier, l'embouchure en forme de buse de ladite vis s'étendant jusque dans la région centrale de l'entrée de matière de la fente de rouleaux de pressage et la buse (20) de la vis de pression (17) est articulée par le biais d'une articulation (21) à l'embouchure de la vis de pression.
  2. Presse à rouleaux selon la revendication 1,
    caractérisée en ce que la vis de pression (17) est introduite transversalement à la fente de rouleaux sous forme couchée horizontale ou oblique par rapport à l'horizontale depuis le côté dans le puits de distribution de matière (12).
  3. Presse à rouleaux selon l'une quelconque ou plusieurs des revendications 1 et 2,
    caractérisée en ce que la buse (20) de la vis de pression (17) est entourée de tous les côtés par la fraction de matière grossière (15) se trouvant dans la fente de rouleaux, au centre de pression de la région d'introduction de matière de la fente de rouleaux de pressage.
  4. Presse à rouleaux selon les revendications 1 à 3,
    caractérisée en ce que la granulométrie de la fraction de matière fine à refouler avec la vis de pression (17) est < 3 mm jusqu'à 100 %.
EP07725735A 2006-06-02 2007-06-01 Presse à rouleaux notamment pour le broyage d'un lit de matière Not-in-force EP2024091B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006025833A DE102006025833A1 (de) 2006-06-02 2006-06-02 Rollenpresse insbesondere zur Gutbettzerkleinerung
PCT/EP2007/004855 WO2007140929A1 (fr) 2006-06-02 2007-06-01 Presse à rouleaux notamment pour le broyage d'un lit de matière

Publications (2)

Publication Number Publication Date
EP2024091A1 EP2024091A1 (fr) 2009-02-18
EP2024091B1 true EP2024091B1 (fr) 2012-12-12

Family

ID=38324018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725735A Not-in-force EP2024091B1 (fr) 2006-06-02 2007-06-01 Presse à rouleaux notamment pour le broyage d'un lit de matière

Country Status (8)

Country Link
US (1) US20090236455A1 (fr)
EP (1) EP2024091B1 (fr)
CN (1) CN101460247A (fr)
CA (1) CA2653065A1 (fr)
DE (1) DE102006025833A1 (fr)
DK (1) DK2024091T3 (fr)
RU (1) RU2008144301A (fr)
WO (1) WO2007140929A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5854835B2 (ja) * 2008-07-02 2016-02-09 ビューラー・アクチエンゲゼルシャフトＢｕｅｈｌｅｒ ＡＧ 細穀粉及び／又は粗穀粉を製造する装置及び方法
DE102008043140A1 (de) 2008-07-02 2010-01-07 Bühler AG Verfahren und Einrichtung zur Herstellung von pflanzlichen Mahlprodukten
CN101985107A (zh) * 2010-07-15 2011-03-16 王维东 一种塑料粉碎机
US8632028B2 (en) 2010-09-02 2014-01-21 Flsmidth A/S Device for the comminution of material
CN103223364A (zh) * 2013-04-23 2013-07-31 安徽省荆涂机电工程有限公司 双螺旋搅拌破碎一体装置
DE102013018325B4 (de) 2013-10-31 2019-03-21 Khd Humboldt Wedag Gmbh Hochdruckwalzenpresse mit Mahlgutentlüftung und Verfahren zur Vermeidung von Vibrationen bei der Aufgabe von Mahlgut
CN104785351A (zh) * 2015-03-27 2015-07-22 中建材（合肥）粉体科技装备有限公司 辊压机分区进料装置
CN107088466A (zh) * 2017-04-28 2017-08-25 南京市罗奇泰克电子有限公司 一种电路基板包装工序中的废料破碎装置
CN107362860A (zh) * 2017-08-09 2017-11-21 陈秀玲 药材破碎机
EP3572152B1 (fr) * 2018-05-25 2020-08-05 Bühler AG Sdispositif de dosage et de répartition pour un moulin à cylindres, moulin à cylindres doté d'un tel dispositif de dosage et de répartition ainsi que procédé de broyage de produit
CN110860330A (zh) * 2018-08-27 2020-03-06 唐山三发普林饲料有限公司 一种超微粉碎机
CN112337557A (zh) * 2020-10-19 2021-02-09 南通康威尔生物化工有限公司 一种白酒酿造用原料粉碎装置
CN112570079A (zh) * 2020-11-30 2021-03-30 福鼎未来景观设计有限公司 用于水泥生产的辊压机
CN117181362B (zh) * 2023-09-15 2024-03-29 南京博达环境科技有限公司 一种固废基地质聚合物碾压设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE639194C (de) * 1933-02-21 1936-11-30 Schuechtermann & Kremer Baum A Verfahren zur Brikettierung von Feinmuell auf Walzenpressen
DE1247123B (de) * 1963-07-31 1967-08-10 Rettenmaier & Soehne J Einrichtung zum Zufuehren eines aus kleinen Teilchen bestehenden Gutes zu einem Walzenspalt
DK418387A (da) * 1987-08-11 1989-02-12 Smidth & Co As F L Fremgangsmaade og apparat til valseknusning og formaling af mineralske materialer
DE3916641A1 (de) * 1989-05-22 1990-11-29 Kloeckner Humboldt Deutz Ag Walzenpresse insbesondere zur druckzerkleinerung koernigen gutes
DE3926882A1 (de) * 1989-08-16 1991-02-21 Kloeckner Humboldt Deutz Ag Kreislaufmahlanlage zur mahlung von sproedem gut
US5666638A (en) * 1993-09-30 1997-09-09 Maschinenfabrik Koppern Gmbh & Co. Kg Process for producing sponge iron briquettes from fine ore
GB2367030B (en) * 2000-09-20 2002-12-31 Reckitt Benckiser Nv Method and apparatus for manufacturing multi-layer press molded bodies
DE10144109A1 (de) * 2001-09-03 2003-04-24 Michael K Bahr Verfahren zum Verdichten und Granulieren von feindispersen Pulvern

Also Published As

Publication number Publication date
DK2024091T3 (da) 2013-03-25
CA2653065A1 (fr) 2007-12-13
WO2007140929A1 (fr) 2007-12-13
CN101460247A (zh) 2009-06-17
RU2008144301A (ru) 2010-07-20
DE102006025833A1 (de) 2007-12-06
US20090236455A1 (en) 2009-09-24
EP2024091A1 (fr) 2009-02-18

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