WO2019192901A1 - Installations de broyage comprenant des tubes broyeurs et des tambours cribleurs séparés - Google Patents

Installations de broyage comprenant des tubes broyeurs et des tambours cribleurs séparés Download PDF

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Publication number
WO2019192901A1
WO2019192901A1 PCT/EP2019/057659 EP2019057659W WO2019192901A1 WO 2019192901 A1 WO2019192901 A1 WO 2019192901A1 EP 2019057659 W EP2019057659 W EP 2019057659W WO 2019192901 A1 WO2019192901 A1 WO 2019192901A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
grinding
tube mill
plant according
sieve
Prior art date
Application number
PCT/EP2019/057659
Other languages
German (de)
English (en)
Inventor
Gerhard Blatton
Radenko DJUKIC
Daniel FRESSMANN
Original Assignee
Thyssenkrupp Industrial Solutions Ag
Thyssenkrupp 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 Thyssenkrupp Industrial Solutions Ag, Thyssenkrupp Ag filed Critical Thyssenkrupp Industrial Solutions Ag
Publication of WO2019192901A1 publication Critical patent/WO2019192901A1/fr

Links

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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums

Definitions

  • the present invention relates to grinding plants with separate tube mills and screening drums and the use of such facilities.
  • Tube mills in wet grinding are often equipped with sieve drums.
  • This sieve drum is firmly connected to the tube mill and thus rotates with the mill speed.
  • the sieve drum is used for screening of the ground material and also as pump protection for subsequent units.
  • This arrangement is a standard solution, both for circumferentially mounted tube mills, as well as for neck mounted tube mills.
  • An exemplary prior art document is GB 384 736 A.
  • the mill and sieve are connected by an "active" conduit such that the mill and sieve are coupled together, ie, requiring the conveyance of the material from the mill to the sieve an additional energy input (for aggregates such as pumps or screws).
  • the object of the present invention was thus to find a solution with which the problems of the prior art can be avoided or eliminated.
  • the present invention is based on the fact that the tube mill and the screen drum are decoupled in a grinding plant, preferably for wet grinding, separate assemblies and from each other.
  • tube mill and screen drum are still in close proximity, which means that tube mill and screen drum have the same distance, as in conventional grinding plants, in which the tube mill and drum directly to each other are connected. In other words, they are spatially close together.
  • the distance between mill outlet and drum inlet is between 10 cm and 1 m.
  • Decoupled from each other in the context of the present invention means that the units are arranged on the same plant ground or plant area, the movement of a unit that of the others but not readily influenced.
  • the milled product is therefore not stored temporarily and transported out of the plant to be screened in another, spatially separated plant.
  • the ground material can therefore, in particular in preferred embodiments, be fed directly from the mill discharge to the decoupled sieve drum.
  • the separation of the fixed connection of the tube mill and the screen drum makes it possible to respond more flexibly to process requirements and constructional requirements without, however, abandoning the advantages of the spatial proximity to the mill.
  • the present invention achieves great flexibility in plant design. It is also possible in addition to switch aggregates between the mill and drum.
  • mills can be used. These are preferably selected from the group consisting of autogenous mills (AG mills), semi-autogenous mills (SAG mills), full autogenous mill (F + AG), ball mills, drum mills, rod mills, scrubbers and crushers, conical or step mills, drum dryers.
  • AG mills autogenous mills
  • SAG mills semi-autogenous mills
  • F + AG full autogenous mill
  • ball mills ball mills
  • drum mills rod mills
  • scrubbers and crushers conical or step mills, drum dryers.
  • mills of various designs can be used with regard to mill storage. Preferably, these are selected from the group consisting of circumferentially-mounted mills, neck-mounted mills, roller-bearing mills and sliding mills.
  • the grinding chamber of the mill used can be lined.
  • the grinding chamber can also be separated by intermediate walls into several areas.
  • the discharge of the mills used according to the invention can be varied depending on the millbase used.
  • the mills can be used both for wet milling and for dry milling. In a variant of the present invention, the mills are those for wet milling.
  • screening machines in particular screening drums.
  • the screening drums are selected in their specifications according to the intended application. That the size of the sieves, the perforations, the webs is selectable, whether the holes are offset or straight, if any filaments are attached, and which materials and material thicknesses are used.
  • the drum can be driven, in particular rotate, or remain static.
  • conventional drives such as gears, timing belts, friction wheel or the like can be used.
  • Conical, stepped and multi-walled (usually double-walled) screening drums can also be used in the context of the present invention.
  • the screen drum can be driven in various ways.
  • the drive of the screen drum takes place
  • the screening drums can be equipped with a swing mechanism, for example via a suspension or via a swing frame or the like.
  • the screening drum can be arranged and / or aligned in various ways.
  • the arrangement or orientation is independent of the design of the sieve drum.
  • the axis of rotation of the screening drum is arranged horizontally or inclined at a certain or indefinite angle.
  • the screen drum is horizontally inclined.
  • This horizontal inclined means an angle of the drum main axis (opening of the drum is above) from 45 ° to 90 ° relative to the vertical.
  • the inclination of the screen drum can be varied, in particular automatically controlled and / or regulated.
  • various further or additional units can be arranged between the mill and the sieve. It is possible to arrange one or more units. Examples of usable in the context of the present invention are magnetic separators, aggregates for sampling, aggregates for measuring temperature and aggregates for measuring other properties, aggregates for vaccination, aggregates for adding additives by mill, aggregates for adding bypass regrind from previous grinding stages or parallel mills.
  • a preferred aggregate which can be used in the context of the present invention is a magnetic separator, in particular for the sorting out of metal scrap.
  • ball scrap is sorted out laterally or horizontally, relative to the material flow vector of the ground material. Likewise, sorting out in the direction of or against the material flow, vertical (top or bottom) or in several directions simultaneously possible.
  • transfer devices For the transfer of the material to be ground into the sieve drum, various commercially available devices (transfer devices) can be used in the context of the present invention.
  • these may be selected from the group consisting of chutes, chutes, spouts, downcomers, hoppers, gutters, baffles, baffles, and combinations thereof.
  • Chutes which can be used in the context of the present invention can be made of a plurality of joined metal sheets.
  • design-enforced brakes material upholstery, autogenous wear protection
  • wear-resistant metal sheets or plastic linings.
  • Examples of usable chutes are trousers chutes, hinged chutes or Leitgossen.
  • a particular embodiment of the present invention is a wet grinding plant comprising a tube mill and a screen drum, in which the tube mill and the screen drum are separate assemblies that are decoupled from each other and between the tube mill and screen drum an additional aggregate and a transfer device for the ground material to the screen drum are arranged.
  • Embodiment I Milling plant comprising at least one tube mill and at least one screen drum, characterized in that the tube mill and the screen drum separate assemblies and are decoupled from each other.
  • Embodiment II Milling plant according to embodiment I, characterized in that it is a plant for wet milling or dry milling, more preferably a plant for wet milling.
  • Embodiment III Milling plant according to embodiment I or II, characterized in that a transfer device for the material transfer is arranged between the tube mill and the screen drum.
  • Embodiment IV Milling plant according to one of the preceding embodiments, characterized in that at least one additional aggregate, preferably a magnetic separator, is arranged between the tube mill and the sieve drum.
  • at least one additional aggregate preferably a magnetic separator
  • Embodiment V Milling plant according to one of the preceding embodiments, characterized in that the sieve drum
  • Embodiment VI Milling plant according to one of the preceding embodiments, characterized in that the sieve drum a) is non-rotating, or
  • b) is designed to rotate, wherein the direction of rotation of the drum corresponds to the direction of rotation of the tube mill or is opposite.
  • Embodiment Via Milling plant according to one of the preceding embodiments, characterized in that the rotational speed of the screening drum deviates from that of the tube mill or coincides with the rotational speed of the tube mill or that the rotational speed is carried out variably.
  • Embodiment VII Milling plant according to one of the preceding embodiments, characterized in that a screening drum receives material from more than one tube mill.
  • Embodiment VIII Milling plant according to one of the preceding embodiments, characterized in that the sieve drum has a vibrating mechanism.
  • Embodiment IX Grinding plant according to one of the preceding embodiments, characterized in that the sieve drum is designed inclined, wherein the inclination of the sieve drum is preferably controlled by means of automatic.
  • Embodiment X Milling plant according to one of the preceding embodiments, characterized in that the at least one screening drum is designed to be movable.
  • Embodiment XI Milling plant according to one of the preceding embodiments, characterized in that each tube mill are assigned a plurality of sieve drums, wherein the sieve drums of a tube mill are fed in parallel or in succession.
  • Embodiment XII Milling plant according to one of the preceding embodiments, characterized in that the arrangement of the sieve drum is independent of the type of sieve drum.
  • Embodiment XIII Milling plant according to one of the preceding embodiments, characterized in that
  • a magnetic separator is arranged after the tube mill, ii) between the magnetic separator and the screen drum, a transfer device for the transfer of material is arranged, and
  • the grinding plant is a plant for wet grinding.
  • Embodiment XIII Milling plant according to one of the preceding embodiments for the processing of ores, in particular copper and / or gold-containing ores.
  • Embodiment XIII Use of a grinding plant according to one of the preceding embodiments for the grinding of ores, in particular for the grinding of copper and / or gold-containing ores.
  • An advantage of the present invention is that it is possible to grind millbase on several mills and place the millbase of the various mills on a sieve drum.
  • the millbase originating from the various mills can either be entered sequentially on the screen drum or simultaneously (in parallel or in succession).
  • a mill several sieve drums which are fed successively or in parallel (the latter using a Mahlgutteilers).
  • a screen drum can be made standby, ie, while one is being used, another one is provided, which can increase the flexibility and availability of the system, for example, allowing several different screening drums to be used one at a time, if during the Mahlens another screen quality is desired, or if a screen drum should have a defect or must be taken out of the process for maintenance.
  • the objects of the present invention provide the following advantages:
  • the drive power of the tube mill can be kept lower
  • FIG. 1 shows a tube mill with firmly connected screening drum according to the prior art.
  • FIG. 2 shows a tube mill with decoupled screening drum and additional units according to the present invention. Illustrated here is a tube mill 1 and a structurally separate screen drum 2.
  • an additional unit 3 is illustrated, which in preferred embodiments, a magnetic separator can be sorted out laterally through the ball scrap.
  • a transfer device 4 is shown for the material coming from the mill and through the additional unit / on the additional unit, wherein the transfer device can be, for example, a metal sheet.

Abstract

L'invention concerne une installation de broyage comprenant au moins un tube broyeur (1) et au moins un tambour cribleur (2), caractérisée en ce que le tube broyeur et le tambour cribleur se présentent sous la forme de modules distincts et ne sont pas couplés l'un avec l'autre. Cette invention se rapporte en outre à l'utilisation de telles installations.
PCT/EP2019/057659 2018-04-06 2019-03-27 Installations de broyage comprenant des tubes broyeurs et des tambours cribleurs séparés WO2019192901A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018205166.6A DE102018205166A1 (de) 2018-04-06 2018-04-06 Vermahlungsanlagen mit voneinander getrennten Rohrmühlen und Siebtrommeln
DE102018205166.6 2018-04-06

Publications (1)

Publication Number Publication Date
WO2019192901A1 true WO2019192901A1 (fr) 2019-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/057659 WO2019192901A1 (fr) 2018-04-06 2019-03-27 Installations de broyage comprenant des tubes broyeurs et des tambours cribleurs séparés

Country Status (2)

Country Link
DE (1) DE102018205166A1 (fr)
WO (1) WO2019192901A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889374A (zh) * 2020-07-16 2020-11-06 河南工业大学 磁驱动清粉机
CN112452516A (zh) * 2020-11-12 2021-03-09 中钢集团南京新材料研究院有限公司 一种强磁性矿石半自磨工艺的顽石破碎方法
CN114833059A (zh) * 2022-03-28 2022-08-02 陕西正元秦电环保产业有限公司 一种灰磨机筛锻装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB384736A (en) 1931-10-08 1932-12-15 Mikael Vogel Jorgensen Method of and plant for wet grinding of raw cement material
EP0148375A2 (fr) * 1983-12-27 1985-07-17 Salzgitter Maschinenbau Gmbh Dispositif pour successivement déchirer des sacs contenant des déchets et tamiser les déchets
US7497337B2 (en) * 2005-10-13 2009-03-03 Wst International (Holdings) Limited Apparatus for piercing garbage bags, washing materials released from the pierced garbage bags, and collecting nonrigid, elongate objects and powder
CN109046919A (zh) * 2018-07-31 2018-12-21 赞皇金隅水泥有限公司 一种水泥球磨机内钢球、钢锻的全自动筛选机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB384736A (en) 1931-10-08 1932-12-15 Mikael Vogel Jorgensen Method of and plant for wet grinding of raw cement material
EP0148375A2 (fr) * 1983-12-27 1985-07-17 Salzgitter Maschinenbau Gmbh Dispositif pour successivement déchirer des sacs contenant des déchets et tamiser les déchets
US7497337B2 (en) * 2005-10-13 2009-03-03 Wst International (Holdings) Limited Apparatus for piercing garbage bags, washing materials released from the pierced garbage bags, and collecting nonrigid, elongate objects and powder
CN109046919A (zh) * 2018-07-31 2018-12-21 赞皇金隅水泥有限公司 一种水泥球磨机内钢球、钢锻的全自动筛选机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889374A (zh) * 2020-07-16 2020-11-06 河南工业大学 磁驱动清粉机
CN112452516A (zh) * 2020-11-12 2021-03-09 中钢集团南京新材料研究院有限公司 一种强磁性矿石半自磨工艺的顽石破碎方法
CN114833059A (zh) * 2022-03-28 2022-08-02 陕西正元秦电环保产业有限公司 一种灰磨机筛锻装置
CN114833059B (zh) * 2022-03-28 2023-11-17 陕西正元秦电环保产业有限公司 一种灰磨机筛锻装置

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