EP1763401B1 - Dispositif et procede s'utilisant a des fins de sechage ou de desagglomeration - Google Patents

Dispositif et procede s'utilisant a des fins de sechage ou de desagglomeration Download PDF

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Publication number
EP1763401B1
EP1763401B1 EP06753752A EP06753752A EP1763401B1 EP 1763401 B1 EP1763401 B1 EP 1763401B1 EP 06753752 A EP06753752 A EP 06753752A EP 06753752 A EP06753752 A EP 06753752A EP 1763401 B1 EP1763401 B1 EP 1763401B1
Authority
EP
European Patent Office
Prior art keywords
drying
plate
feed material
roller
deagglomerating
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
Application number
EP06753752A
Other languages
German (de)
English (en)
Other versions
EP1763401A1 (fr
Inventor
Andreas Halbleib
Karl Menzel
Pedro Guerrero Palma
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
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 Polysius AG filed Critical Polysius AG
Publication of EP1763401A1 publication Critical patent/EP1763401A1/fr
Application granted granted Critical
Publication of EP1763401B1 publication Critical patent/EP1763401B1/fr
Expired - Fee Related 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
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed

Definitions

  • the invention relates to a method for drying and deagglomerating moist feed material and to a method for converting a device for drying and deagglomerating into a mill-drying device.
  • the JP-A-03127637 discloses a roller mill with grinding rollers and means for detaching and rupturing the grinding bed forming on the plate. Furthermore, from the DE-A1-195 35 613 a roller mill known, wherein one or more units, consisting of Mahl- Vorverêtr- and deagglomeration, are provided.
  • wet processing is still commonly used in the processing of raw materials in the cement industry.
  • the raw material is wet ground and abandoned as sludge on long ovens.
  • Another solution is to pre-dry the wet material by filter presses and place on rack mills and then further process in a two- or three-stage heat exchanger.
  • Another option is to inject the sludge directly into a racket mill. The energy is generated here in a one- or two-stage heat exchanger to drive off the water.
  • the invention is based on the object to show a different way.
  • a feed material having a moisture content of 15 to 50% is processed, which has at least 70%, a particle size of less than 200 microns and kneaded under the action of at least one rolling on a driven plate roll, mixed and digested and is dried by means of supplied hot gas, wherein the forming on the plate material bed is detached and broken.
  • the process for drying and deagglomerating is characterized by a very efficient treatment of the material.
  • the apparatus required for the above drying and deagglomeration process consists essentially of a driven plate, at least one roll unit with a roll on the plate for kneading, mixing and digesting a feed material, means for supplying hot gas for drying the feed material and means for Detachment and breaking up of the bed of material forming on the plate.
  • the apparatus preferably comprises a stepped air supply in that first means for supplying hot gas in the region of the grinding plate and second means for supplying hot gas in a region above the at least one roller are provided.
  • a feed material with a humidity of 15 to 50% is easily processed.
  • the feed material has to 70% to a particle size of less than 200 microns. Possibly. It is advantageous if already finished feed material for mixing with the still moist feed material is returned to the grinding table.
  • the device described above has the further advantage that it can be converted in a corresponding embodiment at a later date in a simple manner in a grind-drying device.
  • the roller is already designed as a grinding roller for later modification of the device.
  • the plate can already be configured as a grinding table.
  • a foundation for the device for drying and deagglomerating is further provided in such a way is designed so that it can be used for a later conversion of the device in a grind-drying device.
  • the device is first operated according to the method described above and then converted into a grind-drying device, the roller (2a) being provided with a pressing device and the means for detaching and breaking up the plate forming on the plate Material bed to be removed
  • roller units are provided with pressing devices. Furthermore, it may be necessary for the plate drive and air supply device to be adapted to the conditions of a grind-drying device.
  • a device for drying and deagglomerating which essentially comprises a driven plate 1, a roller unit 2 with at least one rolling on the plate roller 2a for kneading, mixing and digesting a feed material, and means 3 for supplying hot gas 4 for drying the feed material having.
  • means 5 are provided for detaching and breaking up the material bed forming on the plate 1. These funds will be 5 in Embodiment according to Fig. 1a and 1b formed by a hammer roller 5a, which is optionally driven in opposite directions.
  • the plate 1 is supported on a foundation 7 and has a drive device, not shown, through which the plate can be driven about its vertical longitudinal axis 1 a.
  • the reel unit 2 is supported on a foundation 8 and the means 5 are supported on a foundation 9.
  • the roller 2a and the means 5 for detaching and rupturing the material bed forming on the plate are expediently arranged diagonally opposite one another, as is the case Fig. 1b is apparent.
  • other rollers and / or means for detaching and breaking up the material bed forming on the plate can also be provided within the scope of the invention.
  • Fig. 2a and 2b The means 5 for detaching and breaking up the material bed forming on the plate are formed by a tooth roller 5b.
  • Fig. 3a and 3b Another variant is in the Fig. 3a and 3b shown, in which the means are formed by a plow 5c, which can be attached directly to the housing 10 of the device.
  • the means 5 are formed by a plow 5 c, which is not attached to the housing 10, but on the foundation 9.
  • a plow for example, a rake 5d according to Fig. 5 be considered.
  • the feed material can be fed directly onto the plate 1, for example in the area of the center, via a feed 11.
  • Another or additional feeding point 12 may be provided in the upper region of the housing 10.
  • a stepped air supply can be provided by first means 3a for supplying hot gas 4 in the region of the grinding table 1 and second means 3b for Feeders of hot gas are provided in an area above the at least one roller 2a.
  • the temperature of the hot gas in the region of the grinding plate is less than 650 ° C, preferably about 450 to 550 ° C.
  • the upper air supply may operate at temperatures of at least 400 ° C, preferably in the range of 600 to 900 ° C.
  • Fig. 7 shows a variant in which the feed material is placed on a above the grinding table 1 arranged spreading plate 13. Expediently, hot air 4 'is also added in this area at the same time. The feed material is then thrown against the incoming air via the spreading disc 13 and the fine dried material is carried upwards with the gas flow and the coarse material falls down therefrom onto the grinding disc and is caught by the roller 2a.
  • Fig. 8 illustrated device for drying and deagglomerating has a sifter 14 formed in the upper region of the housing 10.
  • the feed material supplied via the means 11 passes under the roll 2a and is thereby kneaded, mixed and digested.
  • the falling over the edge of the plate 1 outwardly material is detected by the flowing from bottom to top of hot gas 4, wherein the material is carried upward and dried. Heavier particles immediately fall back onto the grinding table, while the other material passes into the sifter 14 arranged above.
  • the classifier which is designed as a static or dynamic classifier, separates the material into fine material, which is led out with the gas flow upwards and coarse material, which is guided via a line 15 back to the plate 1.
  • the fines pass together with the gas stream into a separator 16 which separates the gas from the fines.
  • the hot gas 4 is discharged upward, while the finished product can be discharged via a line 17. It is possible to lead a portion of the finished good via a line 18 back to the plate 1, thereby adjusting the humidity of the material located on the plate can.
  • the feed material consists of 70 to 100% of a particle size of less than 200 microns.
  • the roller 2a therefore does not have to perform essentially any grinding work. Therefore, no pressing device is required, since the weight of the roller 2a is sufficient for kneading, mixing and digesting the feed material.
  • the contact pressure of the roller 2a is preferably in the range of 0 to 500 kN / m 2 .
  • the above-described device for drying and deagglomerating is designed so that it can be rebuilt at a later time while maintaining some components in a grind-drying device.
  • the role for later conversion of the device in a grind-drying device is already designed as a grinding roller.
  • the plate is designed for later conversion as Mahlteller.
  • the foundations 7, 8 and 9 are expediently already designed so that they can be used in a subsequent conversion of the device in a grind-drying device on.
  • grinding drying device is then essentially only one indicated by an arrow 19 pressing device required with which the roller 2a can be pressed onto the plate 1 formed as a grinding plate.
  • the contact pressure of the roller 2a is usually in a range of 300 to 1000 kN / m 2 .
  • means 5 for detaching and rupturing the material bed forming on the plate were provided in the apparatus for drying and deagglomerating, they are removed or at least removed replaced another reel unit with pressing device. Preferably, up to four grinding rollers are provided on the plate 1.
  • Fig. 10 is the completely built grind-drying device to see.
  • the part of the housing 10 above the roller units is modified so that a dynamic sifter 14 'can be provided there. Since the material discharge is done down, a bucket elevator 20 is still provided.
  • the foundations 7, 8 and 9 of the grinding table 1 and the roller unit 2 can be adopted.
  • the device for drying and deagglomeration described above is characterized by a very efficient operation. Furthermore, there is the possibility of a relatively inexpensive conversion to a grind-drying device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un dispositif et un procédé utilisé pour sécher et désagglomérer des matériaux de chargement humides. Le matériau humide est malaxé, mélangé et désintégré sous l'effet d'au moins un rouleau roulant sur un plateau entraîné, puis est séché au moyen de gaz chauds acheminés. L'invention concerne en outre un procédé permettant de transformer ledit dispositif en un dispositif de séchage par malaxage, le rouleau (au moins au nombre de un) étant muni d'un dispositif de compression.

Claims (4)

  1. Procédé pour le séchage et la désagglomération d'une matière d'alimentation humide, caractérisé en ce que l'on traite une matière d'alimentation, dont l'humidité est située entre 15 à 50 %, au moins 70% de la matière d'alimentation présentant une granulométrie inférieure à 200 µm, sachant que ladite matière d'alimentation est malaxée, mélangée et désagglomérée sous l'action d'au moins un rouleau (2), qui tourne sur un plateau (1), et est séchée au moyen d'un gaz chaud, et le lit de matière, qui se forme sur le plateau, étant fractionné et brisé.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une partie de la matière est reconduite sur le plateau de broyage, après avoir été séchée.
  3. Procédé destiné à la mise en oeuvre et à la transformation d'un dispositif de séchage et de désagglomération, qui comprend :
    a, un plateau (1) entraîné,
    b. au moins une unité à rouleau (2), qui est dotée d'un rouleau (2a), qui, tournant sur le plateau, est destiné à malaxer, mélanger et désagglomérer une matière d'alimentation,
    c) des moyens d'alimentation en gaz chaud (4) pour le séchage de la matière d'alimentation, et
    d) des moyens (5) pour fractionner et briser le lit de matière se formant sur le plateau,
    sachant que le dispositif est d'abord mis en oeuvre selon revendication 1 ou 2, et ensuite transformé en un dispositif de broyage et séchage, le rouleau (2a) étant équipé d'un dispositif de pression, et les moyens (5) pour détacher et briser le lit de matière, qui se forme sur le plateau, étant enlevés.
  4. Procédé selon la revendication 3, caractérisé en ce que sont installées d'autres unités à rouleaux (2), avec des dispositifs de pression.
EP06753752A 2005-06-08 2006-05-19 Dispositif et procede s'utilisant a des fins de sechage ou de desagglomeration Expired - Fee Related EP1763401B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005026425A DE102005026425A1 (de) 2005-06-08 2005-06-08 Vorrichtung und Verfahren zum Trocknen und Desagglomerieren
PCT/EP2006/004785 WO2006131198A1 (fr) 2005-06-08 2006-05-19 Dispositif et procede s'utilisant a des fins de sechage ou de desagglomeration

Publications (2)

Publication Number Publication Date
EP1763401A1 EP1763401A1 (fr) 2007-03-21
EP1763401B1 true EP1763401B1 (fr) 2011-07-27

Family

ID=36691374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753752A Expired - Fee Related EP1763401B1 (fr) 2005-06-08 2006-05-19 Dispositif et procede s'utilisant a des fins de sechage ou de desagglomeration

Country Status (8)

Country Link
US (1) US7757975B2 (fr)
EP (1) EP1763401B1 (fr)
JP (1) JP4944880B2 (fr)
DE (1) DE102005026425A1 (fr)
DK (1) DK1763401T3 (fr)
EA (1) EA011208B1 (fr)
UA (1) UA94040C2 (fr)
WO (1) WO2006131198A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018052403A1 (fr) * 2016-09-14 2018-03-22 Arvos Raymond Bartlett Snow Llc Broyeur à bol vertical pour la production de particules broyées grossières

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012106554A1 (de) * 2012-07-19 2014-05-15 Thyssenkrupp Resource Technologies Gmbh Verfahren und Anlage zur Zerkleinerung von Mahlgut mit einer Rollenmühle
US9662657B2 (en) * 2014-01-21 2017-05-30 Mannarsamy Balasubramanian Multi-purpose food grinding machine
EP2903744B1 (fr) * 2014-03-21 2017-02-22 Loesche GmbH Procédé et dispositif de traitement et de séparation d'un matériau à partir d'un système contenant plusieurs substances liées
CN107712978A (zh) * 2017-09-25 2018-02-23 苏州雷度生物科技有限公司 一种生物饲料的制备设备
CN107606878A (zh) * 2017-10-25 2018-01-19 天津宜诺医药工业设计有限公司 循环流化床及循环流化床系统

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
DE205079C (fr)
US1806077A (en) * 1928-10-10 1931-05-19 Clearfield Machine Company Grinding and mixing pan
DE636062C (de) * 1933-05-03 1936-10-01 Ernst Curt Loesche Mahlverfahren
DE1206287B (de) * 1960-04-01 1965-12-02 Loesche Kg Mahltrocknungsanlage
US3556419A (en) * 1968-08-21 1971-01-19 Combustion Eng Rake means for use in a grinding mill
GB2118457B (en) * 1982-04-13 1985-05-22 Smidth & Co As F L Edge runner mills
JPS63111951A (ja) * 1986-10-28 1988-05-17 川崎重工業株式会社 粉砕方法
JPH03127637A (ja) * 1989-10-11 1991-05-30 Babcock Hitachi Kk 竪形ローラ式微粉砕機およびその運転方法
JP2681840B2 (ja) * 1990-07-17 1997-11-26 宇部興産株式会社 竪型粉砕機
JPH06296886A (ja) * 1993-04-16 1994-10-25 Sumitomo Metal Ind Ltd 高炉水砕スラグ微粉末の製造方法
DE19535613A1 (de) 1995-09-25 1997-03-27 Krupp Polysius Ag Rollenmühle
EP0842702B1 (fr) * 1996-11-15 2000-10-18 Joseph E. Dipl.-Ing. Doumet Procédé et broyeur à rouleaux pour le séchage et le broyage de matière d'alimentation humide
DE19836323C2 (de) * 1998-08-11 2000-11-23 Loesche Gmbh Mahlanlage, Anlage zur Herstellung von Zement und Verfahren zur Vermahlung von Rohmaterialien
US7267293B2 (en) * 2005-05-13 2007-09-11 Alstom Technology Ltd High efficiency bowl mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018052403A1 (fr) * 2016-09-14 2018-03-22 Arvos Raymond Bartlett Snow Llc Broyeur à bol vertical pour la production de particules broyées grossières

Also Published As

Publication number Publication date
EP1763401A1 (fr) 2007-03-21
EA200702521A1 (ru) 2008-04-28
DE102005026425A1 (de) 2006-12-14
DK1763401T3 (da) 2011-10-31
JP2008542682A (ja) 2008-11-27
US7757975B2 (en) 2010-07-20
EA011208B1 (ru) 2009-02-27
WO2006131198A1 (fr) 2006-12-14
UA94040C2 (en) 2011-04-11
JP4944880B2 (ja) 2012-06-06
US20080189977A1 (en) 2008-08-14

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