EP1448303B1 - Tube broyeur et procede pour broyer des produits a moudre en morceaux - Google Patents
Tube broyeur et procede pour broyer des produits a moudre en morceaux Download PDFInfo
- Publication number
- EP1448303B1 EP1448303B1 EP02787865A EP02787865A EP1448303B1 EP 1448303 B1 EP1448303 B1 EP 1448303B1 EP 02787865 A EP02787865 A EP 02787865A EP 02787865 A EP02787865 A EP 02787865A EP 1448303 B1 EP1448303 B1 EP 1448303B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- tube mill
- grinding chamber
- chamber
- material quantity
- 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 - Fee Related
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
- B02C17/06—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container with several compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
- B02C17/1845—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone with return of oversize material to crushing zone
Definitions
- the invention relates to a tube mill and a method for crushing lumpy material.
- Tube mills in particular ball mills, are well known. They essentially consist of a first grinding chamber, at least one second grinding chamber and a co-rotating intermediate wall arranged between the grinding chambers. They are used for shredding different materials in various industrial sectors.
- the material to be crushed is comminuted during the grinding process of the freely movable MahlSystem sectionung inside the grinding chamber, being used as a grinding body both spherical and rod or rod-like body.
- the intermediate walls in the tube mills serve the purpose of separating the grinding media filling of adjacent grinding chambers from one another and to transport the material being ground in a controlled manner from one to the other grinding chamber.
- a discharge device is usually arranged in the intermediate wall, through which the grist received via entry openings into the intermediate chamber is discharged via a discharge opening into the second grinding chamber.
- the invention is based on the object to improve the efficiency of a tube mill and a method for crushing lumpy material to be ground.
- the inventive method for crushing lumpy material to be ground with a tube mill containing at least a first and a second grinding chamber and a co-rotating between the grinding chambers mitrotierende intermediate wall, the comminuted in the first grinding chamber millbase is divided in an intermediate wall in a first and a second Mahlgutteilmenge, wherein at least a portion of the second Mahlgutteilmenge passes directly or indirectly into the second grinding chamber and at least the first Mahlgutteilmenge is discharged separately from the tube mill.
- the separating device is formed by a classifying device, so that the first Mahlgutteilmenge consists of coarse material and the second Mahlgutteilmenge consists of fine material.
- the classifier can be formed, for example, by a sieve or trench wall, a drum screen or Siebhubschaufeln.
- the discharged first Mahlgutteilmenge can be wholly or partially fed to the Mahlgutiergabe the first grinding chamber or a Vormahlaggregat.
- the tube mill shown essentially consists of a first grinding chamber 1, a second grinding chamber 2 and a co-rotating intermediate wall 3 arranged between the grinding chambers.
- the material to be ground 4 passes through a material feed 5 into the first grinding chamber 1, in which it is rotated about a longitudinal center axis by rotation of the tube mill 6 comes to shredding.
- both grinding chambers contain so-called grinding media, which are adapted in shape, size, quantity and material to the respective needs.
- the first grinding chamber is usually separated from the intermediate wall 3 by a slot wall 3.4, which has openings 3.5, through which the ground material sufficiently comminuted in the first grinding chamber reaches a first intermediate wall region 3.1.
- the intermediate wall 3 has, in addition to the first intermediate wall region 3.1, a second intermediate wall 3.3, wherein the two intermediate wall regions are separated from one another by a classifying device 3.2.
- the integrated classifying device 3.2 divides the material to be ground from the first grinding chamber into a coarse material 8 consisting of first Mahlgutteilmenge and a fine material consisting of 9 second Mahlgutteilmenge.
- the fine material 9 passes into the second intermediate wall region 3.3 and is there via suitable means, such as lifting elements, the second grinding chamber 2 fed.
- the coarse material 8 obtained within the classifying device 3.2 is discharged from the tube mill and can be returned to the grinding process at a suitable point (preferably at the grinding stock inlet 4).
- the classifying device 3.2 is designed as a screen or diaphragm wall.
- the first partition wall area 3.1 is thereby bounded by the slot wall 3.4 and the classifying device 3.2 and the second partition wall area 3.3 by the classifying device 3.2 and the partition wall 3 separating from the second grinding chamber 2 end wall 3.6.
- the fine material 9 coming from the first grinding chamber 1 via the opening 3.5 into the first intermediate wall region 3.1 passes unhindered via the classifying device 3.2 into the second intermediate wall region 3.3 and is discharged there via a discharge device (not illustrated in particular lifting blades) into the second grinding chamber 2.
- the coarse material 8 introduced from the first grinding chamber 1 into the first intermediate wall area 3.1 remains in front of the classifying device 3.2, wherein the coarse material level gradually rises in the first intermediate wall area until it has reached a certain height, at which the coarse material 8 enters a discharge opening 3 within the classifying device 3.2 arranged discharge 3.8 arrived.
- About an outlet channel 3.9 the coarse material 8 is discharged through a discharge 3.11 from the tube mill.
- the height of the level of the coarse material 8 can be adjusted in front of the classifying device 3.2 by varying the radial distance of the discharge opening 3.10 from the longitudinal central axis 6.
- the amount of coarse material 8 discharged can be adjusted by varying the size of the discharge opening 3.10.
- Fig. 2a-2e is a tube mill with an intermediate wall 10 according to a second embodiment.
- the intermediate wall 10 is divided into at least one, preferably, but several Siebkammem, which are arranged like a segment around the longitudinal central axis 6.
- Each screen chamber is bounded by radial side walls 10.9, 10.10 and a part of the first grinding chamber 1 facing slot wall 10.4 and a part of the second grinding chamber 2 facing end wall 10.6.
- Fig. 2b shows a view of belonging to an intermediate wall chamber portion of the slot wall 10.4.
- Each intermediate wall chamber is subdivided into a first intermediate wall chamber 10. 1 and a second intermediate wall chamber 10. 3 by a sieve lifting vane 10. 2 designed as a sieve.
- the inlet openings 10.5 of the slot wall 10.4 are provided only in the region of the first partition wall chamber 10.1, so that the ground in the grinding chamber 1 regrind enters through the inlet openings 10.5 in the first partition chamber 10.1.
- the material to be ground in the first intermediate wall chamber 10.1 is raised above the sieve lifting blades 10.2.
- the fine material 9 contained in the material to be ground passes through the sieve openings of Siebhubschaufeln 10.2 in the second partition wall portion 10.3 and is passed there via a Feingutabweisblech 10.11 in the second grinding chamber.
- the coarse material 8 runs over the Siebhubschaufeln 10.2 and is then promoted via a Grobgutabweisblech 10.12 in a shaft 10.7.
- About the mill rotation located in the shaft 10.7 Grobgut 8 is discharged from the tube mill.
- FIG. 3a and 3b variant shown shows an intermediate wall 11, in which the separating or classifying device is formed by a sieve drum 11.2, which divides the intermediate wall into an inner first intermediate wall region 11.1 and an outer second intermediate wall region 11.3.
- the ground material passes through inlet openings in the slot wall 11.4 in the first intermediate wall region of the screen drum 11.2.
- the fine material 9 falls through the sieve drum in the second partition wall area 11.3.
- the coarse material 8 is collected in Grobgutaustragskanal 11.5 and discharged via a Grobgutaustragsschacht from the tube mill.
- Fig. 4 shows a tube mill with a first grinding chamber 1, a second grinding chamber 2 and arranged between two grinding chambers, mitrotierenden intermediate wall 3.
- a classifying device is provided, for example, according to one of the in the Fig. 1-3 illustrated variants may be formed.
- the inner diameter of the first grinding chamber 1 is smaller than the inner diameter of the following in the material flow direction grinding chamber 2.
- both the ground material from the first grinding chamber 1 and the ground material from the second passes Grinding chamber 2 in a co-rotating intermediate wall 13 arranged between the two grinding chambers.
- the intermediate wall 13 in turn contains a classifying device 13.2, which may be designed, for example, according to one of the variants indicated above. In the illustrated embodiment, it is formed by a sieve wall.
- the classifier 13.2 again separates the intermediate wall into a first intermediate wall region 13.1 and a second intermediate wall region 13.3.
- the intermediate wall 13 is delimited to the first grinding chamber 1 via a slot wall 13.4 and the second grinding chamber 2 via a slot wall 13.6.
- the millbase from the first grinding chamber 1 passes through inlet openings 13.5 in the first partition wall area 13.1.
- the ground material from the second grinding chamber 2 passes through inlet openings 13.7 into the second intermediate wall region.
- the classifying device 13.2 designed as a screen wall allows the fine material to pass from the first intermediate wall region 13.1 into the second intermediate wall region 13.3.
- the coarse material 8 from the first partition wall area 13.1 is discharged separately via first discharge means 13.8.
- the fine material 9 and the material to be ground 12 from the second grinding chamber 2 are discharged via second discharge means 13.9 from the tube mill.
- the material discharged from the second intermediate wall region 13.3 is preferably fed to a separator 16.
- the material is there divided into finished product 15 and classifier 14, wherein the classifier, preferably on a Mahlgutiergabe 17 of the second grinding chamber 2, are returned to the grinding process again.
- a tube mill which consist essentially of a first grinding chamber 1, a second grinding chamber 2, and arranged between the grinding chambers, co-rotating intermediate wall 30.
- a separating device 32 for dividing the ground material from the first grinding chamber 1 in a first Mahlgutteilmenge 8 and a second Mahlgutteilmenge 9 is provided.
- the separating device is preferably designed as a classifying unit, can in this area only a quantitative distribution can be made. In this way, two or three streams of material can be led out separately from the tube mill, resulting in advantages for the procedural material management.
- the residence time in the two grinding chambers can be influenced and controlled and, if appropriate, used to optimize the working requirement.
- Fig. 6-12 shown tube mills can in particular according to one of Fig. 1-5 be described embodiments described.
- a tube mill is operated in the closed grinding circuit with a classifier 40.
- the ground material of the first grinding chamber 1 enters the intermediate wall 30 and is divided there into a first Mahlgutteilmenge 8 and a second Mahlgutteilmenge 9. While the first Mahlgutteilmenge 8 is discharged from the tube mill, passes the second Mahlgutteilmenge 9 in the second grinding chamber 2.
- the discharged from the second grinding chamber 2 Good 18 is given to a classifier 40, which can be formed by a static or dynamic separator or classifier.
- the fine material of the classifying apparatus is discharged as finished product 19, while the coarse material 20 is transported via a material divider 41 partly or completely into the second grinding chamber 2 or into the first grinding chamber 1.
- the first grinding chamber 1 is also supplied with the first millbase subset 8 and the fresh material 21.
- first Mahlgutteilmenge 8 is fed to a classifier 50.
- the first Mahlgutteilmenge 8 is thus classified outside the tube mill, wherein the coarse material portion of the first grinding chamber 1 is abandoned.
- the fines of the classifying apparatus 50 can be fed via a material divider 51 completely or partly to the second grinding chamber 2 or the classifying apparatus 40.
- Fig. 8 The tube mill is operated in a closed grinding circuit with a classifier 40 and a Vorzerkleinticiansshake.
- the fresh product 21 is fed to a grinding unit 60, which pre-shreds the Malgut.
- the entire or a part of the pre-shredded material is then the first grinding chamber 1 abandoned.
- a material divider 61 makes it possible to recirculate part of the pre-shredded material back to the grinding unit 60.
- the discharged from the tube mill first Mahlgutteilmenge can be supplied via a splitter 52 completely or only part of the first grinding chamber 1 or the grinding unit 60.
- Fig. 9 shows the variant according to Fig. 7 in conjunction with a grinding unit 60 according to Fig. 8 ,
- the coarse material of the classifying apparatus 50 can thereby be given up completely or partly to the first grinding chamber 1 or the grinding unit 60.
- the grinding plant according to Fig. 10 provides a pre-crushing stage with a milling unit 60 in conjunction with a classifier 62.
- the classifying apparatus can be designed as a static or dynamic classifier.
- the discharged from the tube mill first Mahlgutteilmenge 8 can be supplied via a material divider 53 in part or completely the first grinding chamber 1, the classifying apparatus 62 or the classifying apparatus 40.
- the fines of the classifying apparatus 62 are supplied via a material divider 64 either completely or partly to the second grinding chamber 2 or the first grinding chamber 1.
- the coarse material of the classifying apparatus 62 passes via a material divider 63 either completely or partially into the first grinding chamber 1 and / or to the grinding unit 60, which is thus operated on the one hand with fresh material 21 and on the other with coarse material from the classifying apparatus 62.
- the coarse material of the grinding unit 60 then passes into the Classifying apparatus 62. There is also the possibility of giving up fresh goods 22, bypassing the pre-shredding, directly to the first painting chamber.
- the grinding plants according to Fig. 11 and 12 use tube mills with a center discharge.
- the first Mahlgutteilmenge 8 is discharged separately.
- the second Mahlgutteilmenge 9 is discharged together with the entering from the second grinding chamber 2 in the intermediate wall material to be ground 23 and the classifying machine 40 abandoned.
- the coarse material of the classifier 40 is partially or completely abandoned via a material divider 41 of the second grinding chamber 2. Another part can be returned to the first grinding chamber 1.
- the first Mahlgutteilmenge 8 is supplied via a material divider 53 partially or completely the first grinding chamber 1, the classifier 40 or the classifier 62.
- the variant according to Fig. 12 differs from the grinding plant according to Fig. 11 in that the second millbase subset 9 and the millbase 23 entering the intermediate wall 2 are discharged separately from one another, so that three material streams, namely the first millbase subset 8, the second millbase subset 9 and the mill base 23, are discharged from the tube mill.
- the first Mahlgutteilmenge 8 is supplied as before a material divider 53.
- the material to be ground 23 from the second grinding chamber passes directly into the classifying apparatus 40 while the second Mahlgutteilmenge 9 via a material divider 54 partially or completely the second grinding chamber 2 and / or the classifying machine 40 is abandoned.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
Claims (18)
- Tube broyeur aveca. une première chambre de broyage (1) ;b. au moins une deuxième chambre de broyage (2) ;c. une paroi intermédiaire (3) co-tournante, disposée entre les chambres de broyage ;d. une installation de triage (3.2) disposée dans la paroi intermédiaire pour séparer le matériau de broyage de la première chambre de broyage en une première quantité partielle de matériau de broyage (8) et une deuxième quantité partielle de matériau de broyage (9) ;e. des moyens pour l'amenée d'au moins une partie de la deuxième quantité partielle de matériau de broyage à la deuxième chambre de broyage,f. une installation (3.8) pour évacuer séparément la première quantité partielle de matériau de broyage du tube broyeur,caractérisé en ce que l'installation de triage (3.2) est réalisée de telle sorte que la première quantité partielle de matériau de broyage est constituée de matériaux grossiers et la deuxième quantité partielle de matériau de broyage de matériaux fins.
- Tube broyeur selon la revendication 1, caractérisé par des moyens pour l'amenée de la première quantité partielle de matériau de broyage éclusée vers le chargement de matériau de broyage (5) de la première chambre de broyage.
- Tube broyeur selon la revendication 1, caractérisé en ce que les moyens pour l'amenée de la deuxième quantité partielle de matériau de broyage à la deuxième chambre de broyage (2) sont disposés de telle sorte que la deuxième quantité partielle de matériau de broyage (9) arrive par une paroi frontale (3.6) séparant la paroi intermédiaire de la deuxième chambre de broyage dans la deuxième chambre de broyage (2).
- Tube broyeur selon la revendication 1, caractérisé en ce que la paroi intermédiaire présente une première et une deuxième zone de paroi intermédiaire (3.1, 3.3), où les deux zones de paroi intermédiaire sont séparées par une installation de séparation (3.2) l'une de l'autre, et l'installation pour évacuer la première quantité partielle de matériau de broyage du tube broyeur est en liaison avec la première zone de paroi intermédiaire, et les moyens pour l'amenée de la deuxième quantité partielle de matériau de broyage à la deuxième chambre de broyage sont en liaison avec la deuxième zone de paroi intermédiaire.
- Tube broyeur selon la revendication 1, caractérisé en ce que le diamètre intérieur de la première chambre de broyage (1) est plus petit que le diamètre intérieur de la deuxième chambre de broyage (2).
- Tube broyeur selon la revendication 1, caractérisé en ce que l'installation de séparation est formée par une paroi à tamis respectivement à fentes (3.2).
- Tube broyeur selon la revendication 1, caractérisé en ce que l'installation de séparation est formée par un cribleur (11.2).
- Tube broyeur selon la revendication 1, caractérisé en ce que l'installation de séparation est formée par des pelles de levage prévues dans la paroi intermédiaire, les pelles de levage étant réalisées comme pelles cribleuses de levage (10.2).
- Tube broyeur selon la revendication 1, caractérisé par des moyens (13.7) pour évacuer le matériau de broyage de la deuxième chambre de broyage (2) dans la paroi intermédiaire (13) et des moyens (13.9) pour écluser le matériau provenant de la deuxième chambre de broyage et de la deuxième quantité partielle de matériau de broyage du tube broyeur.
- Procédé pour broyer du matériau de broyage en morceaux avec un tube broyeur, comprenant au moins une première et une deuxième chambre de broyage (1, 2) ainsi qu'une paroi intermédiaire (30) co-tournante disposée entre les chambres de broyage, où le matériau de broyage broyé dans la première chambre de broyage dans la paroi intermédiaire est réparti par triage en une première et une deuxième quantité partielle de matériau broyé (8, 9), où une quantité partielle de matériau broyé (8) est constituée de matériaux grossiers et l'autre (9) en matériaux fins, et où au moins une partie de la deuxième quantité partielle de matériau broyé (9) arrive dans la deuxième chambre de broyage (2), et au moins la première quantité partielle de matériau de broyage (8) est éclusée séparément du tube broyeur,
caractérisé en ce que la première quantité partielle de matériau broyé (8) est formée par le matériau grossier et la deuxième quantité partielle de matériau broyé (9) par le matériau fin. - Procédé selon la revendication 10, caractérisé en ce qu'au moins une partie de la première quantité partielle de matériau broyé éclusée (8) est ramenée au chargement de matériaux de broyage dans la première chambre de broyage (1).
- Procédé selon la revendication 10, caractérisé en ce qu'une partie de la première quantité partielle de matériau broyé éclusée (8) est ramenée au chargement de matériaux de broyage de la première chambre de broyage (1) et l'autre partie à un appareil de triage (40) disposé à l'extérieur du tube broyeur.
- Procédé selon la revendication 10, caractérisé en ce que la première quantité partielle de matériau broyé éclusée (8) est ramenée dans un appareil de triage (40, 62) disposé à l'extérieur du tube broyeur.
- Procédé selon la revendication 10, caractérisé en ce que le matériau broyé dans la deuxième chambre de broyage (2) est amené à un appareil de triage (40) disposé à l'extérieur du tube broyeur, où le matériau grossier (20) y produit est ramené à la deuxième chambre de broyage (2) et/ou à la première chambre de broyage (1).
- Procédé selon la revendication 10, caractérisé en ce que le matériau de broyage à amener au tube broyeur est d'abord chargé sur un étage de préfragmentation (60).
- Procédé selon la revendication 10, caractérisé en ce que le matériau de broyage à amener au tube broyeur est d'abord chargé sur un étage de préfragmentation, et en ce qu'une partie de la première quantité partielle de matériau broyé éclusée (8) est chargée encore une fois sur l'étage de préfragmentation, tandis que l'autre partie est convoyée au chargement de matériau de broyage de la première chambre de broyage.
- Procédé selon la revendication 10, caractérisé en ce que le matériau de broyage à amener au tube broyeur est chargé d'abord sur un étage de préfragmentation (60), et qu'une partie du matériau préfragmenté est recyclé vers l'étage de préfragmentation.
- Procédé selon la revendication 10, caractérisé en ce que le matériau de broyage à amener au tube broyeur est chargé d'abord sur un étage de préfragmentation (60), et que le matériau préfragmenté est amené à un appareil de triage (62) disposé en aval, dont le matériau grossier est convoyé vers la première chambre de broyage (1) et/ou vers l'étage de préfragmentation (60), et dont le matériau fin arrive à la deuxième chambre de broyage (2).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10158710 | 2001-11-29 | ||
DE10158710 | 2001-11-29 | ||
PCT/EP2002/013461 WO2003045563A1 (fr) | 2001-11-29 | 2002-11-28 | Tube broyeur et procede pour broyer des produits a moudre en morceaux |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1448303A1 EP1448303A1 (fr) | 2004-08-25 |
EP1448303B1 true EP1448303B1 (fr) | 2008-08-27 |
Family
ID=7707469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02787865A Expired - Fee Related EP1448303B1 (fr) | 2001-11-29 | 2002-11-28 | Tube broyeur et procede pour broyer des produits a moudre en morceaux |
Country Status (6)
Country | Link |
---|---|
US (1) | US7073737B2 (fr) |
EP (1) | EP1448303B1 (fr) |
AU (1) | AU2002352181A1 (fr) |
DE (1) | DE50212715D1 (fr) |
DK (1) | DK1448303T3 (fr) |
WO (1) | WO2003045563A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004045959A1 (de) * | 2004-09-22 | 2006-03-23 | Polysius Ag | Anlage und Verfahren zur Zerkleinerung von Mahlgut |
DE102005007254A1 (de) * | 2005-02-16 | 2006-08-17 | Polysius Ag | Mahlanlage und Vefahren zum Mahlen von Mahlgut |
DE102010017394A1 (de) * | 2010-06-16 | 2011-12-22 | Polysius Ag | Verfahren zur Zerkleinerung von Mahlgut mit Hilfe einer Rohrmühle |
WO2012131998A1 (fr) * | 2011-03-31 | 2012-10-04 | 有限会社大東土木 | Broyeur |
US20160030944A1 (en) * | 2014-08-04 | 2016-02-04 | General Electric Company | Attritor |
CN113731562B (zh) * | 2021-06-25 | 2022-12-06 | 浙江交投矿业有限公司 | 一种凝灰岩碎石湿法加工工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE378026C (de) | 1923-07-04 | Clemens Redeligx | Mahlverfahren mit stufenweiser Zerkleinerung des Mahlgutes in in einem Mahlgehaeuse angeordneten, aber voneinander getrennten Vor- und Feinmahlkammern | |
US1504777A (en) * | 1921-04-07 | 1924-08-12 | Allis Chalmers Mfg Co | Comminuting mill |
US1748920A (en) * | 1928-02-23 | 1930-02-25 | Allis Chalmers Mfg Co | Process of and apparatus for comminuting material |
DE1507650C3 (de) | 1965-05-04 | 1973-10-04 | F. L. Smidth & Co. A/S, Kopenhagen | Zerkleinerungsschlammtrommel |
BE711701A (fr) * | 1968-03-05 | 1968-07-15 | ||
GB2038202B (en) | 1978-12-29 | 1982-12-01 | Smidth & Co As F L | Dry grinding a granular material |
DE19512509B4 (de) * | 1995-04-04 | 2009-07-30 | Polysius Ag | Verfahren zur Zerkleinerung von Erzmaterial |
US6180040B1 (en) | 1998-09-02 | 2001-01-30 | Acushnet Company | Method of forming a golf ball core |
-
2002
- 2002-11-28 DE DE50212715T patent/DE50212715D1/de not_active Expired - Lifetime
- 2002-11-28 US US10/497,293 patent/US7073737B2/en not_active Expired - Lifetime
- 2002-11-28 WO PCT/EP2002/013461 patent/WO2003045563A1/fr active IP Right Grant
- 2002-11-28 DK DK02787865T patent/DK1448303T3/da active
- 2002-11-28 EP EP02787865A patent/EP1448303B1/fr not_active Expired - Fee Related
- 2002-11-28 AU AU2002352181A patent/AU2002352181A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DK1448303T3 (da) | 2009-01-12 |
DE50212715D1 (de) | 2008-10-09 |
AU2002352181A1 (en) | 2003-06-10 |
EP1448303A1 (fr) | 2004-08-25 |
WO2003045563A1 (fr) | 2003-06-05 |
US20050029374A1 (en) | 2005-02-10 |
US7073737B2 (en) | 2006-07-11 |
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