WO2009124952A1 - Umwälzmahlanlage mit aussen liegenden steigrohren - Google Patents
Umwälzmahlanlage mit aussen liegenden steigrohren Download PDFInfo
- Publication number
- WO2009124952A1 WO2009124952A1 PCT/EP2009/054179 EP2009054179W WO2009124952A1 WO 2009124952 A1 WO2009124952 A1 WO 2009124952A1 EP 2009054179 W EP2009054179 W EP 2009054179W WO 2009124952 A1 WO2009124952 A1 WO 2009124952A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- classifier
- classifiers
- roller presses
- umwälzmahlanlage
- roller
- Prior art date
Links
- 230000000630 rising effect Effects 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 2
- 238000005194 fractionation Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000003801 milling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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 Umisselzmahlstrom, 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.
- 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 riser tubes allows a joint use of a single lifting crane for the maintenance of RoI lenpressen, 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.
- FIG. 1 shows a circulating grinding plant according to the invention in a first view, with only the main aggregates being shown,
- FIG. 2 shows the circulating grinding plant from FIG. 1 in a second view
- Figure 4 is a broken view of a rod basket sifter in an embodiment of the invention from above
- FIG. 1 shows a circulating grinding plant 10 according to the invention in a first view, in which the individual units of the circulating grinding plant 10 can be clearly seen.
- These are a common Stabkorbsichter 1 1, the Mittelgutaustragsö réelleen 12 a and 12 b each a Heilgutstrom 13 a and 13 b in the corresponding roller presses 14 a and 14 b direct and in which also the fresh material to be ground is abandoned.
- 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 1 1 mentioned above, where the fine material originating from the V classifier 40a is separated into a middle fraction and into a fine material 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 Stabkorbsichter 1 1 Mittelgutstrom is divided into different Mittelgutströme 13 a and 13 b and fed back to the various roller presses 14 a and 14 b.
- roller presses 14a and 14b are arranged between at least two riser pipes 30a and 30b.
- roller bearings 15a and 16a or grinding rollers 17a and 18a are very heavy and therefore can not be easily moved and replaced. Furthermore, the symmetrical structure allows, but it does not depend on the exact symmetry. comes that the risers 30a and 30b can serve as a stable support structure for the rod basket sifter 1 1.
- 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.
- FIG. 1 diagrammatically shows the removal of a grinding roller 17a from the roller press 14a, wherein the grinding roller 17a is displaced together with its roller bearing 15a in the machine frame 141 towards the center of the installation.
- this grinding roller roller bearing assembly 15a ', 17a' lowered by the lifting crane 20 of the stage 35.
- the circulating grinding plant 10 in FIG. 1 is shown in FIG. 2 in the plane which is indicated by the line A-A in FIG. 1 and is perpendicular to the plane of the paper.
- the Umisselzmahlstrom described here has 10 four roller presses, which are each arranged below the Stabkorbsichters 1 1.
- 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.
- a sifter type for the first classifier are fluidized beds in which the material to be sighted is passed over a staircase of individual sheets to form a fluidized bed. This fluidized bed is flowed through approximately from the side of view air and thereby blown out through the air, the finer fraction of the Guts to be viewed from the fluidized bed. The coarser grains continue to flow and the finer grains are entrained with the conveyluftstrom.
- Suitable fluid bed viewers are the aforementioned V-classifiers, cascade classifiers or combined classifier types which have a cascade, a staircase, for maintaining the fluidized bed and, for example, a horizontal rod basket sifter.
- FIG. 3 shows a prior art circulation roller bearing system in which a central riser pipe is used to transport the ground material originating from different roller presses for the circulation upwards. 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. 4 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 Umisselzmahlstrom.
- 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.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
- Metal Rolling (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009235488A AU2009235488B2 (en) | 2008-04-11 | 2009-04-08 | Circulating mill system with external rising pipes |
EP09729532A EP2271428B1 (de) | 2008-04-11 | 2009-04-08 | Umwälzmahlanlage mit aussen liegenden steigrohren |
AT09729532T ATE544523T1 (de) | 2008-04-11 | 2009-04-08 | Umwälzmahlanlage mit aussen liegenden steigrohren |
DK09729532.3T DK2271428T3 (da) | 2008-04-11 | 2009-04-08 | Cirkulationsformaleanlæg med udvendige stigrør |
US12/937,484 US8210458B2 (en) | 2008-04-11 | 2009-04-08 | Recirculating grinding mill with external risers |
CN2009801199096A CN102046293B (zh) | 2008-04-11 | 2009-04-08 | 配有位于外部的上升管的循环碾磨设备 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008018488.8 | 2008-04-11 | ||
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 |
DE102008019830.7 | 2008-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009124952A1 true WO2009124952A1 (de) | 2009-10-15 |
Family
ID=40897636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/054179 WO2009124952A1 (de) | 2008-04-11 | 2009-04-08 | Umwälzmahlanlage mit aussen liegenden steigrohren |
Country Status (8)
Country | Link |
---|---|
US (1) | US8210458B2 (de) |
EP (1) | EP2271428B1 (de) |
CN (1) | CN102046293B (de) |
AT (1) | ATE544523T1 (de) |
AU (1) | AU2009235488B2 (de) |
DE (1) | DE102008019830B4 (de) |
DK (1) | DK2271428T3 (de) |
WO (1) | WO2009124952A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013019840A1 (de) * | 2013-11-26 | 2015-05-28 | Khd Humboldt Wedag Gmbh | Verfahren zur Herstellung von Zement |
WO2017072214A1 (de) * | 2015-10-28 | 2017-05-04 | Khd Humboldt Wedag Gmbh | Pneumatisch verbundene kaskadensichter und kreislaufmahlanlage mit pneumatisch verbundenen kaskadensichtern |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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DE202010009150U1 (de) * | 2010-06-16 | 2010-08-26 | Khd Humboldt Wedag Gmbh | Kreislaufmahlanlage mit integriertem Puffer |
DE102011055762B4 (de) | 2011-11-28 | 2014-08-28 | Maschinenfabrik Köppern GmbH & Co KG | Vorrichtung zum Sichten von körnigem Gut und Mahlanlage |
EP2822708B1 (de) * | 2012-03-07 | 2017-05-03 | Electricity Generation and Retail Corporation | Verfahren und vorrichtung zum trennen von feststoffen |
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 |
CN104588165B (zh) * | 2015-01-06 | 2017-06-23 | 刘开义 | 流化辊压粉碎机 |
US20180243798A1 (en) * | 2015-02-06 | 2018-08-30 | Edw. C. Levy Co. | Closed-Loop Centrifugal Air Classifying System and Method for Utilizing the Same |
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 |
US11401449B2 (en) | 2019-09-23 | 2022-08-02 | Bmic Llc | Methods of forming an adhesive composition from asphalt shingle waste powder |
US10683620B1 (en) | 2019-09-23 | 2020-06-16 | Building Materials Investment Corporation | Methods of forming an asphalt shingle waste powder from asphalt shingle waste |
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 |
US11981829B2 (en) | 2022-02-11 | 2024-05-14 | Bmic Llc | Methods of forming 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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003097241A1 (de) * | 2002-05-16 | 2003-11-27 | Khd Humboldt Wedag Ag | Kreislaufmahlanlage mit mühle und sichter |
DE102006004282A1 (de) * | 2006-01-31 | 2007-08-02 | Khd Humboldt Wedag Gmbh | Rollenpresse insbesondere zur Gutbettzerkleinerung |
DE202007016785U1 (de) * | 2007-11-29 | 2009-04-02 | Khd Humboldt Wedag Gmbh | Kreislaufmahlanlage |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN85106642B (zh) * | 1985-09-03 | 1988-12-14 | 川崎重工业株式会社 | 立式辊碾机分级器及控制器 |
CN2160466Y (zh) * | 1993-06-21 | 1994-04-06 | 刘志贞 | 气流输送旋风罗对辊磨粉机 |
DE4323587C2 (de) * | 1993-07-14 | 1996-07-18 | Loesche Gmbh | Verfahren und Einrichtung zum Zerkleinern von Material unterschiedlicher Körnung |
DE202004001187U1 (de) * | 2004-01-27 | 2005-02-24 | Köppern Entwicklungs-GmbH | Einseitig doppelt aufklappbarer Rahmen für Walzenpressen |
-
2008
- 2008-04-19 DE DE102008019830.7A patent/DE102008019830B4/de active Active
-
2009
- 2009-04-08 CN CN2009801199096A patent/CN102046293B/zh active Active
- 2009-04-08 DK DK09729532.3T patent/DK2271428T3/da active
- 2009-04-08 AT AT09729532T patent/ATE544523T1/de active
- 2009-04-08 AU AU2009235488A patent/AU2009235488B2/en not_active Ceased
- 2009-04-08 EP EP09729532A patent/EP2271428B1/de active Active
- 2009-04-08 US US12/937,484 patent/US8210458B2/en not_active Expired - Fee Related
- 2009-04-08 WO PCT/EP2009/054179 patent/WO2009124952A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003097241A1 (de) * | 2002-05-16 | 2003-11-27 | Khd Humboldt Wedag Ag | Kreislaufmahlanlage mit mühle und sichter |
DE102006004282A1 (de) * | 2006-01-31 | 2007-08-02 | Khd Humboldt Wedag Gmbh | Rollenpresse insbesondere zur Gutbettzerkleinerung |
DE202007016785U1 (de) * | 2007-11-29 | 2009-04-02 | Khd Humboldt Wedag Gmbh | Kreislaufmahlanlage |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013019840A1 (de) * | 2013-11-26 | 2015-05-28 | Khd Humboldt Wedag Gmbh | Verfahren zur Herstellung von Zement |
WO2017072214A1 (de) * | 2015-10-28 | 2017-05-04 | Khd Humboldt Wedag Gmbh | Pneumatisch verbundene kaskadensichter und kreislaufmahlanlage mit pneumatisch verbundenen kaskadensichtern |
Also Published As
Publication number | Publication date |
---|---|
CN102046293B (zh) | 2013-11-20 |
DK2271428T3 (da) | 2012-05-21 |
AU2009235488A1 (en) | 2009-10-15 |
EP2271428B1 (de) | 2012-02-08 |
DE102008019830B4 (de) | 2019-01-24 |
ATE544523T1 (de) | 2012-02-15 |
US20110204170A1 (en) | 2011-08-25 |
US8210458B2 (en) | 2012-07-03 |
EP2271428A1 (de) | 2011-01-12 |
AU2009235488B2 (en) | 2014-05-15 |
CN102046293A (zh) | 2011-05-04 |
DE102008019830A1 (de) | 2009-12-17 |
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