EP0629448A2 - Installation et procédé de broyage et de tamisage de matériau friable - Google Patents

Installation et procédé de broyage et de tamisage de matériau friable Download PDF

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Publication number
EP0629448A2
EP0629448A2 EP94106013A EP94106013A EP0629448A2 EP 0629448 A2 EP0629448 A2 EP 0629448A2 EP 94106013 A EP94106013 A EP 94106013A EP 94106013 A EP94106013 A EP 94106013A EP 0629448 A2 EP0629448 A2 EP 0629448A2
Authority
EP
European Patent Office
Prior art keywords
classifier
mill
fine
sifter
plant 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.)
Withdrawn
Application number
EP94106013A
Other languages
German (de)
English (en)
Other versions
EP0629448A3 (fr
Inventor
Norbert Dipl.-Ing. Patzelt
Gotthard Dipl.-Ing. Blasczyk
Hubert Dipl.-Ing. Eickholt
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Polysius 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 Krupp Polysius AG filed Critical Krupp Polysius AG
Publication of EP0629448A2 publication Critical patent/EP0629448A2/fr
Publication of EP0629448A3 publication Critical patent/EP0629448A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B02C21/002—Disintegrating plant with or without drying of the material using a combination of a roller mill and a drum mill
    • B02C21/005—Disintegrating plant with or without drying of the material using a combination of a roller mill and a drum mill the roller mill having cooperating rollers

Definitions

  • the invention relates to a grinding plant according to the preamble of claim 1 and a method for grinding and sifting brittle regrind according to the preamble of claim 10.
  • a grinding plant with two-stage sifting is known in practice, in which the brittle ground material is first comminuted in a pre-mill, in particular a material bed roller mill with two rollers pressed against one another under high pressure, and fed to a first classifier. There the shredded regrind is sifted into a coarser and a finer fraction. While the coarser fraction is returned to the pre-mill, the finer fraction is conveyed pneumatically into a second classifier arranged above. There the sifting takes place in coarse and fine goods. The coarse material is then ground in a fine mill, in particular a ball mill, and from there it is fed into the vertical riser pipe between the first and second classifiers. From there, the material ground in the fine mill is pneumatically conveyed to the second classifier together with the finer fraction from the first classifier. However, the pneumatic conveying of the material to be sifted is energetically unfavorable.
  • the invention is therefore based on the object of improving the grinding system according to the preamble of claim 1 and the method for grinding and classifying according to the preamble of claim 10 with regard to energy consumption.
  • This object is achieved in that the fine mill and the classifier are connected via a conveying device which mechanically transports the material to the second classifier.
  • the air for cooling / heating and for transporting the goods is supplied via an air inlet connection on the first sifter and is discharged via an exhaust air connection on the second sifter, the entire amount of air passing through the second sifter initially flowing through the first sifter.
  • the two classifiers are spatially arranged essentially next to one another, the first classifier being provided above the pre-mill and the second classifier above the fine mill. In this way, a relatively space and space-saving arrangement of the grinding plant can be achieved.
  • the first exemplary embodiment of a grinding plant shown in FIG. 1 essentially consists of a preliminary mill 1, which can be formed, for example, by a material bed roller mill with two rollers pressed against one another under high pressure, a first classifier 2, a second classifier 3 and a fine mill 4, which can be formed, for example, by a ball mill.
  • the brittle regrind to be comminuted is first fed to the pre-mill 1 via a line 5.
  • the comminuted ground material is fed, for example, via a bucket elevator 6 to the first classifier 2, which is preceded by a deagglomerator 14.
  • the regrind is sifted into a coarser and a finer fraction, the coarser fraction being returned to the pre-mill 1 via a line, for example a chute 7.
  • the finer fraction of the first classifier 2 is fed to the second classifier 3, where it is separated into coarse and fine material.
  • the second classifier 3 is designed as a dynamic air classifier with an overhead spreading plate.
  • the first classifier 2 is also provided here as a dynamic classifier.
  • the coarse material reaches the fine mill 4 via a line 10.
  • the ground material is conveyed back to the second classifier 3 via a mechanically transporting conveying device 11, for example a bucket elevator. There it is given to the top plate of the second classifier.
  • Sifting and transporting the goods between the first and second sifters 2, 3 takes place by means of fresh air or hot gases or circulating air.
  • an air inlet connection is provided at point 12 on the first classifier 2 and an exhaust air connection at 13 on the second classifier 3.
  • the total amount of air be it fresh air, hot gas or circulating air, first flows through the first classifier and then through the second classifier.
  • the two classifiers 2, 3 are arranged essentially next to one another, the first classifier 2 being provided above the pre-mill 1 and the second classifier 3 above the fine mill 4. Such an arrangement represents optimal use of the space above the two mills.
  • FIG. 2 shows a second embodiment of a grinding plant, the same reference numerals being used for the same plant parts.
  • a cyclone 15 is interposed in the line 8 between the first and the second classifiers 2, 3.
  • part of the finer fraction of the first classifier is fed directly to the fine mill 4.
  • the other part initially reaches the second sifter 3.
  • This exemplary embodiment differs from the first exemplary embodiment in that the second classifier 3 is arranged above the first classifier 2.
  • the ground material comminuted in the pre-mill 1 passes through the deagglomerator 14 into the first sifter 2, which is designed as a static sifter. While the coarser fraction is returned to the pre-mill 1 via the bucket elevator 6, the finer fraction comes through the fresh air supplied via line 16 or supplied hot gases via the riser pipe 15 into the second classifier 3 designed as a dynamic classifier.
  • the coarse material of the second classifier 3 in turn reaches the fine mill 4 and is mechanically transported back from there to the second classifier 3 via the conveying device 11, where it is fed onto the spreading plate located above.
  • This grinding system is also characterized by low energy consumption.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Disintegrating Or Milling (AREA)
EP94106013A 1993-06-17 1994-04-18 Installation et procédé de broyage et de tamisage de matériau friable. Withdrawn EP0629448A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4320025 1993-06-16
DE4320025A DE4320025A1 (de) 1993-06-17 1993-06-17 Mahlanlage und Verfahren zum Mahlen und Sichten von sprödem Mahlgut

Publications (2)

Publication Number Publication Date
EP0629448A2 true EP0629448A2 (fr) 1994-12-21
EP0629448A3 EP0629448A3 (fr) 1995-02-08

Family

ID=6490517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94106013A Withdrawn EP0629448A3 (fr) 1993-06-17 1994-04-18 Installation et procédé de broyage et de tamisage de matériau friable.

Country Status (7)

Country Link
US (1) US5462234A (fr)
EP (1) EP0629448A3 (fr)
AU (1) AU666614B2 (fr)
BR (1) BR9402167A (fr)
CA (1) CA2122415A1 (fr)
DE (1) DE4320025A1 (fr)
ZA (1) ZA942927B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015189131A1 (fr) * 2014-06-13 2015-12-17 Thyssenkrupp Industrial Solutions Ag Installation de broyage et procédé de concassage de matière à broyer
WO2017190866A1 (fr) * 2016-05-04 2017-11-09 Thyssenkrupp Industrial Solutions Ag Installation et procédé pour la préparation d'un liant
WO2017207704A3 (fr) * 2016-06-02 2018-01-25 Khd Humboldt Wedag Gmbh Système naval de broyage en circuit fermé

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710554B1 (fr) * 1993-09-28 1995-12-01 Fcb Procédé et installation pour le broyage de vieilles brasques et de produits similaires.
DE4443588A1 (de) * 1994-12-07 1996-06-13 Krupp Polysius Ag Verfahren und Anlage zur gemeinsamen Mahlung von wenigstens zwei unterschiedlich mahlbaren Stoffen
DE19512509B4 (de) * 1995-04-04 2009-07-30 Polysius Ag Verfahren zur Zerkleinerung von Erzmaterial
US6199778B1 (en) 1996-11-06 2001-03-13 Ppg Industries Ohio, Inc. Systems and processes for recycling glass fiber waste material into glass fiber product
US5772126A (en) * 1996-11-06 1998-06-30 Ppg Industries, Inc. System and process for recycling waste material produced by a glass fiberizing process
US6149014A (en) * 1997-12-04 2000-11-21 Eriez Manufacturing Co. Mill magnet separator and method for separating
DE10010406A1 (de) * 2000-03-03 2001-09-06 Kloeckner Humboldt Wedag Verfahren und Anlage zur zweistufigen Sichtung körnigen Gutes
DE10147591B4 (de) * 2001-09-27 2006-11-16 Polysius Ag Mahlanlage
US7487929B1 (en) 2007-09-27 2009-02-10 Long Edward W Grinding circuit with cyclone and density separator classification system and method
DE102007046834B4 (de) * 2007-09-29 2010-01-14 Holcim Technology Ltd. Verfahren zur Herstellung von Hüttensandmehl enthaltenden Zementen
CN103846132A (zh) * 2013-05-17 2014-06-11 洛阳宇航重工机械有限公司 高纯石英粉的球磨分级生产设备
DE102017116272A1 (de) * 2017-07-19 2019-01-24 Netzsch Trockenmahltechnik Gmbh Verfahren und anlage zur herstellung eines ausgangsmaterials für die herstellung von seltenerdmagneten
CN110586264A (zh) * 2018-06-12 2019-12-20 台山市金昊贸易有限公司 一种可降温球磨机
CN112958258B (zh) * 2021-04-27 2022-08-26 江西理工大学 一种无钢球磨矿方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980347A (en) * 1957-04-18 1961-04-18 Hischmann Maschinenfabrik Fa G Apparatus for hard disintegrating and sifting
DE1298395B (de) * 1958-01-04 1969-06-26 Rheinische Kalksteinwerke Verfahren zum Regeln einer Mahlanlage
DE2364277C2 (de) * 1973-12-22 1983-03-17 O & K Orenstein & Koppel Ag, 1000 Berlin Verfahren zur Herstellung eines Mahlgutes
DE3334235A1 (de) * 1982-11-04 1984-05-10 Heinz 4630 Bochum Jäger Verfahren und vorrichtung zur energiesparenden herstellung eines feingutes, insbesondere zement
DE3504584A1 (de) * 1985-02-11 1986-08-21 Krupp Polysius Ag, 4720 Beckum Anlage zur zerkleinerung von mahlgut
DE3506486A1 (de) * 1985-02-23 1986-08-28 Klöckner-Humboldt-Deutz AG, 5000 Köln Einrichtung zur zerkleinerung und mahlung sproeden mahlgutes wie zum beispiel zementklinker, erz, kohle oder dergleichen
DE3717976A1 (de) * 1987-05-27 1988-12-08 Krupp Polysius Ag Verfahren und anlage zur zerkleinerung von mahlgut
DE3815217A1 (de) * 1988-05-04 1989-11-16 Pfeiffer Christian Maschf Verfahren zur zerkleinerung von sproedem mahlgut
DE3843338A1 (de) * 1988-12-22 1990-06-28 Krupp Polysius Ag Sichter
DE3905123A1 (de) * 1989-02-20 1990-08-23 Kloeckner Humboldt Deutz Ag Sichter zum sichten von koernigem gut und mahlanlage mit einschaltung eines solchen sichters
DE3926882A1 (de) * 1989-08-16 1991-02-21 Kloeckner Humboldt Deutz Ag Kreislaufmahlanlage zur mahlung von sproedem gut
DE4005323A1 (de) * 1990-02-20 1991-08-22 Krupp Polysius Ag Verfahren und mahlanlage zur zweistufigen zerkleinerung von sproedem mahlgut
DK167054B1 (da) * 1990-11-26 1993-08-23 Smidth & Co As F L Dobbeltseparator til udskillelse af partikelformet materiale
JP2500126B2 (ja) * 1991-07-26 1996-05-29 川崎重工業株式会社 予粉砕用竪型ロ―ラミルを用いた複数チュ―ブミル対応粉砕装置及びその制御方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015189131A1 (fr) * 2014-06-13 2015-12-17 Thyssenkrupp Industrial Solutions Ag Installation de broyage et procédé de concassage de matière à broyer
WO2017190866A1 (fr) * 2016-05-04 2017-11-09 Thyssenkrupp Industrial Solutions Ag Installation et procédé pour la préparation d'un liant
WO2017190865A1 (fr) * 2016-05-04 2017-11-09 Thyssenkrupp Industrial Solutions Ag Procédé et installation de fabrication de ciment
WO2017207704A3 (fr) * 2016-06-02 2018-01-25 Khd Humboldt Wedag Gmbh Système naval de broyage en circuit fermé

Also Published As

Publication number Publication date
CA2122415A1 (fr) 1994-12-17
ZA942927B (en) 1995-01-05
DE4320025A1 (de) 1994-12-22
US5462234A (en) 1995-10-31
BR9402167A (pt) 1995-03-07
AU666614B2 (en) 1996-02-15
AU6062994A (en) 1994-12-22
EP0629448A3 (fr) 1995-02-08

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