EP2271428B1 - Dispositif de concassage à circulation comportant des tuyaux montants externes - Google Patents

Dispositif de concassage à circulation comportant des tuyaux montants externes Download PDF

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Publication number
EP2271428B1
EP2271428B1 EP09729532A EP09729532A EP2271428B1 EP 2271428 B1 EP2271428 B1 EP 2271428B1 EP 09729532 A EP09729532 A EP 09729532A EP 09729532 A EP09729532 A EP 09729532A EP 2271428 B1 EP2271428 B1 EP 2271428B1
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EP
European Patent Office
Prior art keywords
classifier
classifiers
grinding mill
mill according
rolling presses
Prior art date
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Application number
EP09729532A
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German (de)
English (en)
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EP2271428A1 (fr
Inventor
Siegfried Strasser
Stefan Seemann
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.)
KHD Humboldt Wedag AG
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KHD Humboldt Wedag AG
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Publication date
Priority claimed from DE102008018488.8A external-priority patent/DE102008018488B4/de
Application filed by KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Publication of EP2271428A1 publication Critical patent/EP2271428A1/fr
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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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more 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
    • 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
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of 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
    • 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
    • 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
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • B07B4/04—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall in cascades
    • 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
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
    • 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
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents

Definitions

  • the invention relates to a Um dvslzmahlstrom, comprising: at least two roller presses for crushing the ground material, at least two first classifiers for prospecting a coarse grain fraction, at least one second classifier for prospecting a fine grain and a medium grain fraction of the selected in the at least two first classifiers fractions, wherein a in the Umisselzmahlstrom abandoned feed material which passes at least two roller presses and the at least two first classifier and then the at least one second classifier and the middle grain fraction and the coarse fraction of at least two first classifier is again given to the roller presses, and wherein the at least two first classifier below the at least two roller presses are arranged.
  • Such Umisselzmahlstrom is off DE 102006004282 known.
  • the object of the invention is therefore to provide a Um dvslzmahlstrom available, which has low space requirements and yet easy to maintain.
  • the invention is achieved in that a transport of the fractions located in the at least two first classifiers is provided by at least two risers, wherein the at least two roller presses are arranged between the at least two risers.
  • riser pipes for the circulation of the ground material so that the roller presses are arranged within the arrangement of the riser pipes, ie between them.
  • the inevitable external arrangement of the risers allows a common use of a single lifting crane for the maintenance of roller presses, For example, to exchange the individual rollers of the roller press.
  • this arrangement allows the simultaneous use of risers as supports for a hall assembly for weather protection of the system.
  • the outer risers are mainly due to their placement at statically favorable locations, for example on the roller press platform, to take over a supporting function for a roofing element, so that specially constructed supporting elements for a system hall dispensable, but at least smaller dimensioned.
  • roller presses 14a and 14b are loaded with a mixture of fresh, medium and coarse material and in turn have items which are described by the roller press 14a.
  • the inventive arrangement of the various roller presses 14a and 14b a number of different advantages are achieved, which will be discussed in more detail in the text.
  • the component parts of the roller press 14a are the machine frame 141, the roller bearings 15a and 16a, and the grinding rollers 17a and 18a.
  • roller press 14a After the mixture of fresh, medium and coarse material the nip between the Grinding rollers 17a and 18a has happened, being shown in the drawing roller press 14a in the maintenance state, roller press 14b in the working state, the comminuted grinding material is excreted down from the roller press 14a again.
  • pressing slugs are formed from shredded regrind, which are disagglomerated in the next unit of the plant.
  • the static V-classifier 40a separates by means of classifying air 19a the grinding material flow 21a emerging from the roller press 14a, the coarse material discharge 20a being recirculated back into the roller press.
  • the fine fraction separated in this classifier 40a is pneumatically transported by the classifying air stream 19a, as indicated by the dashed arrows, up through the riser pipe 30a to a level above the roller press 14a. There, this fine material enters the rod basket classifier 11 mentioned above, where the fines from the V classifier 40a are separated into a middle fraction and into a fine fraction.
  • the fine material stream 22 then leaves the rod basket sifter by an unspecified arrangement, which is indicated by an arrow to the top right.
  • the separated in this rod basket separator 11 Mittelgutstrom is divided into different Mittelgutströme 13a and 13b and fed back to the various roller presses 14a and 14b.
  • roller presses 14a and 14b are arranged between at least two riser pipes 30a and 30b. As a result, a structure of the entire system is achieved, which allows items to move due to wear requiring maintenance roller presses 14a and 14b using only a single, centrally located lifting crane 20.
  • the roller presses 14a and 14b are arranged on a platform 35 in the rotary grinding plant 10, which allows the roller presses 14a and 14b from their working position in which they deliver the ground material leaving them down to the respective existing V-classifier , Can be moved to the maintenance position in which the grinding rollers 17a and 18a can be lowered by means of one and the same lifting crane from this stage.
  • the circulating grinding plant 10 in FIG. 1 is in FIG. 2 in the plane passing through the line AA in FIG. 1 is indicated and perpendicular to the paper plane, shown.
  • the Umisselzmahlstrom described here 10 has four roller presses, which are each arranged below the rod basket sifter 11.
  • the riser pipes are arranged at the corners of a rectangle. But it is also possible to choose a different polygonal arrangement of different roller presses. When using two roller presses they are in line, with the use of three or more roller presses, these are advantageously arranged at the corners of each corresponding to the number of roller presses polygon, each roller press has its own riser.
  • FIG. 3 Finally, a Umnachlzmahlstrom from the prior art is shown, in which a central riser is used to transport the originating from different roller presses and pre-sighted ground for the circulation up. Due to the central arrangement, this construction is not suitable for attaching a roof for weather protection directly to the riser construction, which is why it is necessary to construct a roof around this plant. Furthermore, a hoisting crane has to approach from different sides for the maintenance of the roller presses. For this purpose, it is necessary to provide suitable traffic routes for a mobile crane or more than one crane must be kept for maintenance of the system, which leads to an increase in the cost of the entire system.
  • FIG. 3 shows a broken-away view from above of a rod cage sifter 45 in a special embodiment of the invention which the Umisselzmahlstrom invention 10 offers particular advantages.
  • the invention proposes to grind the different materials in at least close to closed circuits within the Umicalzmahlstrom.
  • the different components on different roller presser-Sichterfinde give up, these roller presses and classifiers are matched to the grinding of the individual regrind by nip pressure, gap size, intensity and temperature of the classifying air, size of roller presses and / or classifier in addition to other specific parameters.
  • the different millbase passes through the Ummélzmahlstrom with a common second classifier in which the separated fines of both roller presses is mixed and withdrawn, while the Mittelgutfr hopeen the different components remain in separate circuits.
  • the two fine fractions 62 and 72 are mixed within the bar basket and in the following gas path during the discharge.
  • separate circuits for each roller press 14 a and 14 b, the corresponding corresponding first classifiers 40 a and 40 b, the various risers 30 a and 30 b and within the common Stabkorbsichters form.
  • An advantage of this configuration is that in the different closed circuits different grindable components can be ground individually, each roller press can be adjusted to the grindability of the material passing them.
  • the corresponding to the roller presses first classifier can be adjusted so that an optimally adapted sighting takes place. Only the fine fractions 62 and 72 are intimately mixed with each other after separate grinding by suspension in the classifying air, so that a high-quality mixed product is formed.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Metal Rolling (AREA)

Claims (18)

  1. Dispositif de concassage à circulation (10), présentant:
    - au moins deux presses à rouleaux (14a, 14b) pour concasser la matière à broyer,
    - au moins deux premiers cribles (40a, 40b) pour trier une fraction granulométrique grossière (20a),
    - au moins un deuxième crible (11) pour trier une fraction granulométrique fine (22) et une fraction granulométrique moyenne (13a, 13b) des fractions triées dans lesdits au moins deux premiers cribles (40a, 40b),
    dans lequel une charge de matière chargée dans le dispositif de concassage à circulation (10) traverse lesdites au moins deux presses à rouleaux (14a, 14b) et lesdits au moins deux premiers cribles (40a, 40b) et ensuite ledit au moins un deuxième crible (11) et la fraction granulométrique moyenne (13a, 13b) ainsi que la fraction grossière desdits au moins deux premiers cribles sont de nouveau chargées dans les presses à rouleaux (14a, 14b), et
    dans lequel lesdits au moins deux premiers cribles (40a, 40b) sont disposés en dessous desdites au moins deux presses à rouleaux (14a, 14b),
    caractérisé en ce qu'il est prévu un transport des fractions triées dans lesdits au moins deux premiers cribles (40a, 40b) au moyen d'au moins deux tuyaux montants (30a, 30b), dans lequel lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées entre lesdits au moins deux tuyaux montants (30a, 30b).
  2. Dispositif de concassage à circulation selon la revendication 1, dans lequel le câble d'une grue de levage centrale (20) est guidé entre lesdites au moins deux presses à rouleaux (14a, 14b).
  3. Dispositif de concassage à circulation selon la revendication 2, dans lequel lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées sur une unité (35), qui permet un déplacement latéral, et peuvent être positionnées au centre en dessous du câble de la grue de levage centrale (20) au moyen de cette unité (35).
  4. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 3, dans lequel lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées sur une plate-forme (35).
  5. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 4, dans lequel des gaz pour le triage et/ou pour le séchage assurent le transport pneumatique de la fraction triée dans le premier crible (40a, 40b) vers ledit au moins un deuxième crible (11).
  6. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 5, dans lequel lesdits au moins deux tuyaux montants (30a, 30b) remplissent, en même temps que leur fonction de tuyaux montants, la fonction de construction de support pour ledit au moins un deuxième crible (11).
  7. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 6, dans lequel lesdits au moins deux premiers cribles (40a, 40b) sont des cribles statiques à lit fluidisé.
  8. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 7, dans lequel ledit au moins deuxième crible (11) est un crible à panier à barreaux ou un crible statique à flux d'air.
  9. Dispositif de concassage à circulation selon l'une quelconque des revendications 1 à 8, dans lequel les presses à rouleaux (14a, 14b) et les tuyaux montants (30a, 30b) sont disposés aux angles d'un polyèdre, de préférence aux angles d'un rectangle.
  10. Dispositif de concassage à circulation (10), présentant:
    - au moins deux presses à rouleaux (14a, 14b) pour concasser la matière à broyer,
    - au moins deux premiers cribles (40a, 40b) pour trier une fraction granulométrique grossière (20a),
    - au moins un deuxième crible (11) pour trier une fraction granulométrique fine (22) et une fraction granulométrique moyenne (13a, 13b) des fractions triées dans lesdits au moins deux premiers cribles (40a, 40b),
    dans lequel une charge de matière chargée dans le dispositif de concassage à circulation (10) traverse lesdites au moins deux presses à rouleaux (14a, 14b) et lesdits au moins deux premiers cribles (40a, 40b) et ensuite ledit au moins un deuxième crible (11) et la fraction granulométrique moyenne (13a, 13b) ainsi que la fraction grossière desdits au moins deux premiers cribles sont de nouveau chargées dans les presses à rouleaux (14a, 14b), et
    dans lequel lesdits au moins deux premiers cribles (40a, 40b) sont disposés en dessous desdites au moins deux presses à rouleaux (14a, 14b),
    caractérisé en ce qu'il est prévu un transport des fractions triées dans lesdits au moins deux premiers cribles (40a, 40b) au moyen d'au moins deux tuyaux montants (30a, 30b), dans lequel lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées entre lesdits au moins deux tuyaux montants (30a, 30b), et en ce que le deuxième crible (11) est un crible à panier à barreaux (45), dans lequel le crible à panier à barreaux (45) présente, dans la région entre l'enceinte de crible (46) et le panier à barreaux (47), au moins deux parois de séparation (53, 54, 56), par lesquelles l'espace du crible à panier à barreaux (45) à l'extérieur du panier à barreaux (47), dans lequel la matière à trier (60, 70) est chargée, est divisé en plus qu'une chambre et en ce que ces chambres présentent chacune au moins un chargeur individuel de matière à trier (51, 52) et chacune au moins une sortie individuelle de matière grossière (57, 58).
  11. Dispositif de concassage à circulation selon la revendication 10, caractérisé en ce que le câble d'une grue de levage centrale (20) est guidé entre lesdites au moins deux presses à rouleaux (14a, 14b).
  12. Dispositif de concassage à circulation selon la revendication 11, caractérisé en ce que lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées sur une unité (35), qui permet un déplacement latéral, et peuvent être positionnées au centre en dessous du câble de la grue de levage centrale (20) au moyen de cette unité (35).
  13. Dispositif de concassage à circulation selon l'une quelconque des revendications 10 à 12, caractérisé en ce que lesdites au moins deux presses à rouleaux (14a, 14b) sont disposées sur une plate-forme (35).
  14. Dispositif de concassage à circulation selon l'une quelconque des revendications 10 à 13, caractérisé en ce que des gaz pour le triage et/ou pour le séchage assurent le transport pneumatique de la fraction triée dans le premier crible (40a, 40b) vers ledit au moins un deuxième crible (11).
  15. Dispositif de concassage à circulation selon l'une quelconque des revendications 10 à 14, caractérisé en ce que lesdits au moins deux tuyaux montants (30a, 30b) remplissent, en même temps que leur fonction de tuyaux montants, la fonction de construction de support pour ledit au moins un deuxième crible (11).
  16. Dispositif de concassage à circulation selon l'une quelconque des revendications 10 à 15, caractérisé en ce que lesdits au moins deux premiers cribles (40a, 40b) sont des cribles statiques à lit fluidisé.
  17. Dispositif de concassage à circulation selon l'une quelconque des revendications 10 à 16, caractérisé en ce que les presses à rouleaux (14a, 14b) et les tuyaux montants (30a, 30b) sont disposés aux angles d'un polyèdre, de préférence aux angles d'un rectangle.
  18. Dispositif de concassage à circulation selon la revendication 17, caractérisé en ce qu'une presse à rouleaux, un premier crible, un tuyau montant et une chambre séparée du crible à panier à barreaux forment respectivement un circuit de concassage fermé, dans lequel la matière fine évacuée hors du circuit de concassage est réunie côté matière fine avec la matière fine d'au moins un autre circuit de concassage dans le crible à panier à barreaux.
EP09729532A 2008-04-11 2009-04-08 Dispositif de concassage à circulation comportant des tuyaux montants externes Active EP2271428B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008018488.8A DE102008018488B4 (de) 2008-04-11 2008-04-11 Umwälzmahlanlage mit außen liegenden Steigrohren
DE102008019830.7A DE102008019830B4 (de) 2008-04-11 2008-04-19 Umwälzmahlanlage mit außen liegenden Steigrohren
PCT/EP2009/054179 WO2009124952A1 (fr) 2008-04-11 2009-04-08 Dispositif de concassage à circulation comportant des tuyaux montants externes

Publications (2)

Publication Number Publication Date
EP2271428A1 EP2271428A1 (fr) 2011-01-12
EP2271428B1 true EP2271428B1 (fr) 2012-02-08

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EP09729532A Active EP2271428B1 (fr) 2008-04-11 2009-04-08 Dispositif de concassage à circulation comportant des tuyaux montants externes

Country Status (8)

Country Link
US (1) US8210458B2 (fr)
EP (1) EP2271428B1 (fr)
CN (1) CN102046293B (fr)
AT (1) ATE544523T1 (fr)
AU (1) AU2009235488B2 (fr)
DE (1) DE102008019830B4 (fr)
DK (1) DK2271428T3 (fr)
WO (1) WO2009124952A1 (fr)

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PL2822708T3 (pl) * 2012-03-07 2017-10-31 Electricity Generation And Retail Corp Sposób i aparat do oddzielania cząstek stałych
DE102012020160B4 (de) 2012-10-13 2016-05-12 Khd Humboldt Wedag Gmbh Verfahren zur Herstellung von Zement
CN103041907A (zh) * 2013-01-10 2013-04-17 中建材（合肥）粉体科技装备有限公司 双辊压机并联粉磨系统
PL232821B1 (pl) * 2013-11-26 2019-07-31 Czech Adam Przed Obrotu Surowcami Wtornymi Hermex Urządzenie do czyszczenia i klasyfikacji ziarnowej drobnych odpadów metalurgicznych oraz sposób czyszczenia i klasyfikacji ziarnowej drobnych odpadów metalurgicznych
DE102013019840A1 (de) 2013-11-26 2015-05-28 Khd Humboldt Wedag Gmbh Verfahren zur Herstellung von Zement
CN104588165B (zh) * 2015-01-06 2017-06-23 刘开义 流化辊压粉碎机
WO2016126961A1 (fr) * 2015-02-06 2016-08-11 Edw. C. Levy Co. Système de classification à air centrifuge et son procédé d'utilisation
CN104923479B (zh) * 2015-05-30 2016-03-09 赣州安卓矿山机械技术服务有限公司 一种干式机制砂空气筛
DE102015013892B3 (de) * 2015-10-28 2017-02-02 Khd Humboldt Wedag Gmbh Pneumatisch verbundene Kaskadensichter und Kreislaufmahlanlage mit pneumatisch verbundenen Kaskadensichtern
US10697133B1 (en) 2019-09-23 2020-06-30 Building Materials Investment Corporation Methods of forming an asphalt shingle waste powder filled coating
US11401449B2 (en) 2019-09-23 2022-08-02 Bmic Llc Methods of forming an adhesive composition from asphalt shingle waste powder
CN111068829B (zh) * 2019-11-15 2021-10-22 安徽尚绿精谷网络科技有限公司 一种电力绝缘子除铁装置
US11802219B2 (en) 2022-02-11 2023-10-31 Bmic Llc Roofing materials with asphalt shingle waste
US11512471B1 (en) 2022-02-18 2022-11-29 Bmic Llc Asphalt shingle waste coatings in roofing materials
CN114733604B (zh) * 2022-04-26 2023-09-01 江苏瑞洋安泰新材料科技有限公司 一种可调节高效三辊研磨机

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Also Published As

Publication number Publication date
US20110204170A1 (en) 2011-08-25
US8210458B2 (en) 2012-07-03
WO2009124952A1 (fr) 2009-10-15
CN102046293A (zh) 2011-05-04
AU2009235488A1 (en) 2009-10-15
DK2271428T3 (da) 2012-05-21
EP2271428A1 (fr) 2011-01-12
CN102046293B (zh) 2013-11-20
DE102008019830A1 (de) 2009-12-17
AU2009235488B2 (en) 2014-05-15
ATE544523T1 (de) 2012-02-15
DE102008019830B4 (de) 2019-01-24

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