[go: up one dir, main page]

WO1992003227A1 - Installation pour le broyage et le tri de produits en vrac - Google Patents

Installation pour le broyage et le tri de produits en vrac Download PDF

Info

Publication number
WO1992003227A1
WO1992003227A1 PCT/EP1991/000923 EP9100923W WO9203227A1 WO 1992003227 A1 WO1992003227 A1 WO 1992003227A1 EP 9100923 W EP9100923 W EP 9100923W WO 9203227 A1 WO9203227 A1 WO 9203227A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
air
housing
material feed
classifier
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.)
Ceased
Application number
PCT/EP1991/000923
Other languages
German (de)
English (en)
Inventor
Peter Schatz
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Priority to BR919106553A priority Critical patent/BR9106553A/pt
Priority to JP3509084A priority patent/JPH06503507A/ja
Priority to KR1019920700923A priority patent/KR920702253A/ko
Publication of WO1992003227A1 publication Critical patent/WO1992003227A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C13/1835—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate by means of beater or impeller elements fixed in between an upper and lower rotor disc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • 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
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/32—Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C2013/1885—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate of dead bed type

Definitions

  • the invention relates to a device for comminuting and classifying bulk goods, consisting of at least one rotor arranged in a housing with associated feed device, an air classifier arranged axially above it, a finished material discharge device arranged above the wind classifier, and a conveyor device for returning the insufficiently comminuted bulk material parts in the shredding area in the form of a bottom-up air flow.
  • EP-PS 118782 relates to a comminution apparatus and a classifier, each with a vertical shaft, the comminution apparatus being provided in the lower region of the installation and material being applied to it by means of a screw-shaped feed device.
  • the material which is fed in via the screw enters an upward air stream which is fed in below the shredding apparatus and is intended to introduce the material into the area of the shredding device which is formed by at least one rotating impeller.
  • the air flow should then carry the shredded and possibly not yet adequately shredded bulk material upwards, up to the area of a rotating viewing device, where the classification is to take place.
  • the fine material portion is discharged above the classifying device through a collecting tube, while coarser material is fed back to the feed device on the one hand and is fed to the comminution device through corresponding recesses outside the air flow.
  • a further gas supply is provided between the comminution device and the classifying device, a type of perforated plate being arranged above the gas supply, through which the G entering from the gas supply flows upward.
  • a disadvantage of such a construction is that a relatively high air requirement is required (large cross section) in order to ensure an upward flow over the entire interior of the comminution device.
  • the wing or wings provided with impact tools cause a flow component in the circumferential direction, which must be overcome by the upward air flow together with the bulk material contained therein.
  • DE-PS 846503 discloses an impact mill with an impact ring and a vertical shaft for various types of regrind, fan blades being attached to a centrifugal disc having a much smaller diameter than the impact ring, the upper edge of which touches a disc that is firmly connected to it at a distance above the centrifugal disc , which forms an annular gap with the circumference above the longitudinal center of the impact ring, up to which the fan blades are also advanced.
  • a sifter is arranged in the cover of the grinding drum, the sifting air loaded with coarse and fine material being passed through a channel into the main intake shaft for the grinding air.
  • a concentric opening for the discharge of the grinding air loaded with the fine material is arranged in the cover of the grinding chamber, the cross section of this opening being variable by inserting rings with different inside diameters.
  • the air flow laden with fine and coarse fractions must also be passed through the fan blade of the baffle ring, which generates its own radially directed flow component.
  • a relatively large vertically upward air requirement is necessary in order to overcome this flow component and to achieve a corresponding separation of the fine from the coarse above the impact ring.
  • the aim of the invention is to further develop the device described in the generic part of the first patent claim in such a way that an upward conveyance of the air flow loaded with coarse and fine materials, which is independent of disruptive influences in the comminution area, can be ensured without an excessively large conveying cross section and an associated high air requirement is required.
  • the feed device is arranged axially between the rotor and the air classifier
  • the housing of the rotor is surrounded at a radial distance by a further housing part, the air in the annular gap between the two housing parts being able to be fed to the air classifier,
  • a device moving the comminution products in the direction of the annular gap is provided below the rotor
  • the insufficiently comminuted products can be fed to the material feed device via a funnel arranged axially below it.
  • the advantage of the subject of the invention is essentially due to the fact that during the size reduction process, which takes place in a closed space, no disturbing air influences are introduced into the system either from above or from below.
  • the upward air flow is in an annular gap between the first and second housings, i.e. radially outside the rotor, conveyed axially upwards, where the sighting then takes place.
  • the coarse material is fed directly to the cellular feeder with the fresh feed material.
  • St.d.T. to be regarded as much smaller, since there is a reduced funding cross-section, the technical effort being within reasonable limits.
  • the transport device for the shredded products can either be formed by a drain cone provided with air slots or else by a centrifugal disc, in which case it makes sense to provide a further counter surface in the area of the second housing so that further shredding can take place in this area.
  • Figure 1 Vertical impact mill with integrated material classification and drain onus as a transport device
  • Figure 2 Vertical impact cooler with integrated material classification and downstream spreading plate as a transport device
  • Figures 1 and 2 essentially show the structurally identical basic structure of a vertical impact mill 1 with integrated material classification, so that with the exception of the components that differ from one another, the same reference numbers are used.
  • the vertical impact mill 1 essentially consists of the following components: an inner housing 2, an outer housing 3 concentrically surrounding this, a rotor 5 which can be driven via a drive shaft 4, a feed device in the form of a cellular wheel sluice 6 provided above the rotor 5, and one above the cellular wheel sluice 6 arranged air classifier 7 and a material feed pipe 8.
  • the drive 9 for the drive shaft 4 is provided outside the two housing parts 2 and 3.
  • air supply lines 11 are provided which run tangentially to the housing 2 or 3, the direction of flow being diverted from the horizontal to the vertical.
  • the function of the vertical impact mill 1 is approximately as follows:
  • Coarse material is fed in the area of the material feed pipe 8 and falls into a funnel 12 which is provided above the cellular wheel sluice 6.
  • the cellular wheel sluice 6 serves the purpose of keeping false air from above from the actual comminution area 13.
  • the coarse material reaches the rotor 5 via the cellular wheel sluice 6 and is introduced radially outward into a material bed 14 in which the actual material size reduction takes place. From here, the material either reaches, as shown in FIG. 1, radially into the region of the vertically upward air flow via a cone 15 provided with air slots 15 'or, as shown in FIG.
  • the comminution products enter the upward air flow via the material inlet 18 and are transported axially upward in the annular gap 19 formed by the two housing parts 2 and 3. If necessary, the upward directed air flow are set in rotation by corresponding guide elements, not shown, possibly provided in the annular gap 19.
  • the comminution products are passed into an area above the rotary valve 6.
  • the material air flow is directed horizontally around a cylindrical displacement body 21 by a guide vane ring 20 forming the air classifier 7.
  • the fine-grained comminution products are then discharged upwards with the vertical air flow through a discharge housing 22, coarser-grained material fractions falling down and being fed back via the funnel 12 to the cellular wheel sluice 6 in order to be subjected to a second comminution process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

On propose une installation pour le broyage et le tri de produits en vrac qui est constituée d'un rotor (5) disposé dans un carter et auquel est superposé un dispositif de chargement des produits (6), d'un séparateur à air (7), d'un dispositif de déchargement du produit fini (22) ainsi que d'un dispositif de transport (6) servant à ramener dans la zone de broyage les produits en vrac insuffisamment broyés et se présentant sous la forme d'un courant d'air dirigé du bas vers le haut. Il est prévu que le dispositif de chargement des produits (6) soit disposé axialement entre le rotor (5) et le séparateur à air (7). Le carter (2) entourant le rotor (5) est entouré d'un autre carter (3) espacé dans le sens radial et l'air chargé en produits qui circule dans l'interstice circulaire situé entre les deux parties de carter (2, 3) peut être conduit jusqu'au séparateur à air (4). Au-dessous du rotor (5) il est prévu un dispositif (15) qui transporte les produits broyés vers l'interstice circulaire, et les produits encore insuffisamment broyés après avoir traversé le séparateur à air peuvent être conduits au dispositif de chargement des produits (6) par l'intermédiaire d'une trémie (12) placée au-dessous dans le sens axial.
PCT/EP1991/000923 1990-08-25 1991-05-17 Installation pour le broyage et le tri de produits en vrac Ceased WO1992003227A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR919106553A BR9106553A (pt) 1990-08-25 1991-05-17 Moinho vertical por impacto com classificacao de material integrada
JP3509084A JPH06503507A (ja) 1990-08-25 1991-05-17 組み込まれた被処理物分級装置を備えている垂直型衝撃粉砕機
KR1019920700923A KR920702253A (ko) 1990-08-25 1991-05-17 분산 상태의 재료를 분쇄하여 분류하는 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4026924.8 1990-08-25
DE4026924A DE4026924A1 (de) 1990-08-25 1990-08-25 Vertikalprallmuehle mit integrierter materialklassierung

Publications (1)

Publication Number Publication Date
WO1992003227A1 true WO1992003227A1 (fr) 1992-03-05

Family

ID=6412919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1991/000923 Ceased WO1992003227A1 (fr) 1990-08-25 1991-05-17 Installation pour le broyage et le tri de produits en vrac

Country Status (5)

Country Link
EP (1) EP0545929A1 (fr)
JP (1) JPH06503507A (fr)
KR (1) KR920702253A (fr)
DE (1) DE4026924A1 (fr)
WO (1) WO1992003227A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6543709B2 (en) 2001-01-12 2003-04-08 Hosokawa Micron Powder Systems Gravity flow air classifying mill
KR20050074005A (ko) * 2004-01-13 2005-07-18 김기천 분말분배기와 약포지
CN101947513A (zh) * 2010-08-30 2011-01-19 黄华静 粮食轻杂风选机
RU2554976C1 (ru) * 2013-09-30 2015-07-10 Открытое акционерное общество "НПО Центр" Мельница для ударно-центробежного измельчения материала
CN111278567A (zh) * 2017-10-27 2020-06-12 细川密克朗集团股份有限公司 粉体处理装置
CN112058401A (zh) * 2020-08-31 2020-12-11 滁州胜全农业开发有限公司 一种中草药材超微粉碎机
CN117206019A (zh) * 2023-06-30 2023-12-12 黎明重工股份有限公司 摆式磨粉机用低阻力选粉机结构
CN118179709A (zh) * 2024-05-17 2024-06-14 新乡市阿瑞尔机械有限公司 一种拆建垃圾受料分选设备

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242651A1 (de) * 1992-11-25 1993-12-09 O & K Anlagen Und Systeme Gmbh Einrichtung zum Zerkleinern schüttgutartiger Materialien
AUPO875297A0 (en) * 1997-08-22 1997-09-18 Transfield Pty Limited Improved device for the removal of non-combustibles from mills
RU2142341C1 (ru) * 1997-12-29 1999-12-10 Северо-Кавказский государственный технологический университет Мельница
RU2194574C2 (ru) * 2000-10-23 2002-12-20 ООО "Технологии-Плюс" Центробежная вихревая мельница
RU2204437C1 (ru) * 2002-01-04 2003-05-20 Белгородская государственная технологическая академия строительных материалов Роторно-центробежный измельчитель
RU2246992C1 (ru) * 2003-12-02 2005-02-27 Государственное образовательное учреждение высшего профессионального образования "Оренбургский государственный университет" Лабораторный измельчитель-смеситель
RU2254165C1 (ru) * 2004-01-27 2005-06-20 Государственное образовательное учреждение высшего профессионального образования "Оренбургский государственный университет" Измельчитель-смеситель
RU2313394C1 (ru) * 2006-05-11 2007-12-27 Государственное образовательное учреждение высшего профессионального образования "Оренбургский государственный университет" Измельчитель
RU2376063C1 (ru) * 2008-09-29 2009-12-20 Северо-Кавказский горно-металлургический институт (государственный технологический университет) (СКГМИ (ГТУ) Государственное образовательное учреждение высшего профессионального образования Мельница
RU2388541C1 (ru) * 2009-01-12 2010-05-10 Закрытое акционерное общество "Новые технологии" Центробежный двухстадийный измельчитель
RU2491126C1 (ru) * 2012-03-07 2013-08-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Северо-Кавказский горно-металлургический институт (государственный технологический университет) Мельница
CN103341382A (zh) * 2013-07-22 2013-10-09 四川坤森微纳科技股份有限公司 超细粉碎系统
RU2549103C1 (ru) * 2013-10-15 2015-04-20 Государственное научное учреждение Всероссийский научно-исследовательский институт механизации животноводства Российской академии сельскохозяйственных наук (ГНУ ВНИИМЖ Россельхозакадемии) Размольно-смесительный блок
RU2549105C1 (ru) * 2013-10-15 2015-04-20 Государственное научное учреждение Всероссийский научно-исследовательский институт механизации животноводства Российской академии сельскохозяйственных наук (ГНУ ВНИИМЖ Россельхозакадемии) Способ совместного измельчения и смешивания
CN104941769B (zh) * 2015-06-09 2017-09-29 蔡昌荣 一种固体物料研磨方法及固体物料研磨机
AU2016314137B2 (en) * 2015-08-28 2022-06-02 Tecfarm Pty Ltd Apparatus and method for processing a crop residue
RU2622667C1 (ru) * 2016-05-31 2017-06-19 Федеральное государственное бюджетное образовательное учреждение высшего образования) "Ярославский государственный технический университет" (ФГБОУВО "ЯГТУ") Устройство для смешения и измельчения дисперсных материалов
DE102017102281A1 (de) * 2017-02-06 2018-08-09 Schäfer Elektrotechnik U. Sondermaschinen Gmbh Prallreaktor
DE102017103956A1 (de) * 2017-02-24 2018-08-30 Schäfer Elektrotechnik und Sondermaschinen GmbH Prallreaktor
RU2680315C1 (ru) * 2018-03-26 2019-02-19 Федеральное государственное бюджетное научное учреждение Всероссийский научно-исследовательский институт механизации животноводства, ФГБНУ ВНИИМЖ Способ фракционного измельчения и производство смесей концентрированных кормов
RU2713331C1 (ru) * 2019-04-17 2020-02-04 Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) Способ производства фракционных смесей концентрированных кормов
CN111686880B (zh) * 2020-06-24 2021-11-12 江苏丰尚智能科技有限公司 一种双级超微粉碎机
RU2770859C2 (ru) * 2020-07-21 2022-04-22 Федеральное государственное бюджетное образовательное учреждение высшего образования "Дальневосточный государственный аграрный университет" (ФГБОУ ВО Дальневосточный ГАУ) Способ получения пастообразного продукта

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555764A (fr) *
US3155326A (en) * 1962-04-16 1964-11-03 Richard E Rhodes Ore pulverizer and sizing device
GB1004750A (en) * 1964-08-25 1965-09-15 Bath Iron Works Corp Centrifugal pulverizer
US4436138A (en) * 1980-07-23 1984-03-13 Nippon Chuzo Kabushiki Kaisha Method of and apparatus for reclaiming molding sand

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE535347C (de) * 1931-10-14 Adolf Steinbrueckner Um eine senkrechte Welle umlaufende Schleudermuehle mit Windsichtung
DE536229C (de) * 1930-01-16 1931-10-21 Adolf Steinbrueckner Um eine senkrechte Welle umlaufende Schleudermuehle mit Windsichtung
GB645673A (en) * 1948-10-14 1950-11-08 Ostravske Chemicke Zd Y Narodn Improvements in or relating to mills or grinders
DE846503C (de) * 1950-02-08 1952-08-14 Kosmos Ges Fuer Internationale Prallmuehle mit Prallring und senkrechter Welle fuer verschiedenartiges Mahlgut
US2992783A (en) * 1959-02-03 1961-07-18 Simplicity Eng Co Crusher apparatus and methods of crushing aggregates
US3995784A (en) * 1975-03-21 1976-12-07 Consejo Nacional De Ciencia Y Tecnologia Rotary mill for micronic grinding
JPS59147648A (ja) * 1983-02-10 1984-08-24 ホソカワミクロン株式会社 竪型粉砕分級装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555764A (fr) *
US3155326A (en) * 1962-04-16 1964-11-03 Richard E Rhodes Ore pulverizer and sizing device
GB1004750A (en) * 1964-08-25 1965-09-15 Bath Iron Works Corp Centrifugal pulverizer
US4436138A (en) * 1980-07-23 1984-03-13 Nippon Chuzo Kabushiki Kaisha Method of and apparatus for reclaiming molding sand

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6543709B2 (en) 2001-01-12 2003-04-08 Hosokawa Micron Powder Systems Gravity flow air classifying mill
KR20050074005A (ko) * 2004-01-13 2005-07-18 김기천 분말분배기와 약포지
CN101947513A (zh) * 2010-08-30 2011-01-19 黄华静 粮食轻杂风选机
CN101947513B (zh) * 2010-08-30 2012-07-04 黄华静 粮食轻杂风选机
RU2554976C1 (ru) * 2013-09-30 2015-07-10 Открытое акционерное общество "НПО Центр" Мельница для ударно-центробежного измельчения материала
CN111278567A (zh) * 2017-10-27 2020-06-12 细川密克朗集团股份有限公司 粉体处理装置
CN111278567B (zh) * 2017-10-27 2021-10-19 细川密克朗集团股份有限公司 粉体处理装置
CN112058401A (zh) * 2020-08-31 2020-12-11 滁州胜全农业开发有限公司 一种中草药材超微粉碎机
CN117206019A (zh) * 2023-06-30 2023-12-12 黎明重工股份有限公司 摆式磨粉机用低阻力选粉机结构
CN118179709A (zh) * 2024-05-17 2024-06-14 新乡市阿瑞尔机械有限公司 一种拆建垃圾受料分选设备

Also Published As

Publication number Publication date
EP0545929A1 (fr) 1993-06-16
DE4026924A1 (de) 1992-02-27
KR920702253A (ko) 1992-09-03
JPH06503507A (ja) 1994-04-21

Similar Documents

Publication Publication Date Title
WO1992003227A1 (fr) Installation pour le broyage et le tri de produits en vrac
DE3545691C1 (de) Vorrichtung zum Klassieren von staubfoermigen Schuettguetern
DE3621221C2 (fr)
EP0325770B1 (fr) Procédé et installation de broyage
EP2066461B1 (fr) Séparateur à air centrifuge
DE1286386B (de) Schlaeger- oder Schleuderprallmuehle mit Sichter
WO1991012892A1 (fr) Broyeur a chocs vertical a triage de matiere accouple
EP0374491A2 (fr) Séparateur pneumatique
DE102005054209B4 (de) Wälzmühle
DE3229629C2 (fr)
EP0492062B1 (fr) Séparateur pneumatique
DE4014342C2 (de) Windsichter
DE4005031C1 (en) Dynamic wind sifter for roller mill - has central, restricted riser for air material mixt. flow with downwards deflection in top region of sifter rotor
DE9012238U1 (de) Vertikalprallmühle mit integrierter Materialklassierung
EP3849714B1 (fr) Roue de triage à éléments de voile plats et procédé de tamisage avec une telle roue
EP0369399B1 (fr) Séparateur pneumatique
EP0641609A2 (fr) Séparateur pneumatique
DE4132339C2 (de) Turbo-Fliehkraftsichter
CH556196A (de) Fraktionieranlage fuer im luftstrom getragenes mahlgut.
DE2122622A1 (de) Schlägermühle
DE3844181A1 (de) Einrichtung zum zerkleinern und klassieren schuettfoermiger gueter
DE9017176U1 (de) Windsichter
EP0209663A1 (fr) Procédé et installation pour le broyage fin des matériaux
DE4234659A1 (de) Sichter zum Sichten von körnigem Gut
DE10149817A1 (de) Walzenschüsselmühle

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): BR JP KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1991909457

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1991909457

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1991909457

Country of ref document: EP