WO2016124627A1 - Installation de broyage à circulation munie de deux dispositifs de broyage et procédé permettant de faire fonctionner l'installation de broyage à circulation - Google Patents

Installation de broyage à circulation munie de deux dispositifs de broyage et procédé permettant de faire fonctionner l'installation de broyage à circulation Download PDF

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Publication number
WO2016124627A1
WO2016124627A1 PCT/EP2016/052245 EP2016052245W WO2016124627A1 WO 2016124627 A1 WO2016124627 A1 WO 2016124627A1 EP 2016052245 W EP2016052245 W EP 2016052245W WO 2016124627 A1 WO2016124627 A1 WO 2016124627A1
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Prior art keywords
ground
grinding device
grinding
stream
millbase
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PCT/EP2016/052245
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German (de)
English (en)
Inventor
Jörg BINNER
Original Assignee
Khd Humboldt Wedag Gmbh
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Publication of WO2016124627A1 publication Critical patent/WO2016124627A1/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
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B02C21/002—Disintegrating plant with or without drying of the material using a combination of a roller mill and a drum mill
    • B02C21/005—Disintegrating plant with or without drying of the material using a combination of a roller mill and a drum mill the roller mill having cooperating 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

Definitions

  • the invention relates to a method for operating a Kreislaufmahlstrom for grinding of fresh material, comprising the steps of crushing the fresh material to ground millbase in a first, designed as a roller mill grinding device, dividing the ground millbase ground millbase ground mill and a second partial stream ground millbase in one variably adjustable ratio, precalculations of the first part-stream ground millbase in at least one arranged below the first grinding static sifter, wherein prepare for processing the fresh material to ground millbase in a first, designed as a roller mill grinding device, dividing the ground millbase ground millbase ground mill and a second partial stream ground millbase in one variably adjustable ratio, precalculations of the first part-stream ground millbase in at least one arranged below the first grinding static sifter, wherein prepare prepare for processing the at least one arranged below the first grinding static sifter, wherein prepare for crushing the fresh material to ground millbase in a first, designed as a roller mill grinding device, dividing the ground millbase ground millbase ground mill and a second partial
  • the invention further relates to a corresponding to the process Kreislaufmahlstrom for grinding of fresh goods, comprising a first, designed as a roller press grinding bed for comminution of fresh material to ground regrind, a first dividing device for dividing the ground millbase in a first part-stream ground millbase and a second part-stream ground Grindings in a variably adjustable ratio, at least one below the first grinder disposed static sifter for pre-sighting of the first part-stream milled ground material with at least one entry port for the ground material, a preparegutaustrag for the discharge of sifted prepare and at least one discharge opening for the discharge of separated coarse material and at least one above the first grinding device arranged dynamic classifier for the protection of the visible material, which is exposed by the at least one static classifier, with a visible material inlet for the entry of a stream of classifying air and the sighted material, a coarse material discharge device for the discharge of semolina and with a fine material discharge device for the discharge of a stream of selected finished
  • brittle fresh material can be obtained by milling a granular fines.
  • An important application is given in cement production, where cement and / or cement raw meal is to be obtained by grinding from cement clinker and possibly additives.
  • roller presses high-pressure roller presses, good-bed roller mills
  • the material emerging from the nip after the stress consists of a finer-grained fraction and a coarse-grained fraction of material which is only slightly comminuted and / or jammed into slugs.
  • the ground material is ground in a visual process, which is often carried out for efficiency and wear reasons advantageous in two steps.
  • a prospect in a dynamic air sifter eg a dynamic rod sifter ter, which is preceded by a static, often also disagglomerierend acting caution material flow side.
  • the quality of the discharged from the dynamic Nachsichter finished good in particular its particle size distribution, ie the statistical composition of different sized particles, is essential.
  • high cement quality is often achieved when avoiding a steep distribution with a narrow distribution to a narrow range of grain sizes (in the case of RRSB distribution) and instead realizing a flat grain size distribution with a correspondingly wide grain band.
  • the particularly fine-grained fraction is important.
  • the exact grain size distribution setting suitable for this purpose given the starting material properties given, is a problem that is theoretically very difficult to obtain. Rather, in practice, a predominantly empirical approach is important, which often also depends on variations in the adjustment of the grain size spectrum in a given system.
  • the grain size in the finished product can be further refined by two-stage grinding processes, if, for example, as taught in DE 34 07 535 A1, a finely ground the grinding device (eg ball mill) for pre-shredding a good bed roller mill is connected upstream. Procedural improvements can then be achieved by dividing into two partial cycles.
  • a finely ground the grinding device eg ball mill
  • Procedural improvements can then be achieved by dividing into two partial cycles.
  • the object of the invention is therefore to specify a method for operating a Kreislaufmahlstrom for grinding of fresh material, through which a flat particle size distribution can be achieved with a high fine-grained fraction in the finished product and in which by simple means in a relatively short time the grain Size distribution can be selectively varied.
  • the object of the invention is also to provide a corresponding to the process Kreislaufmahlstrom for grinding fresh food available.
  • the object of the invention is achieved by a method for operating a Kreislaufmahlstrom for grinding fresh food with the features of claim 1 and by a Kreislaufmahlstrom for grinding fresh food with the features of claim 8. Further advantageous embodiments are specified in the subclaims to claim 1 and in the dependent claims to claim 8.
  • the coarse material separated in the at least one static classifier is recirculated to the first grinding device.
  • the at least one discharge opening of the at least one static classifier is connected to the material delivery device of the roller press.
  • the transport can be done mechanically, for example by a bucket elevator, or - energetically cheaper and thus economically cheaper - pneumatically.
  • the coarse material separated off in the static classifier does not claim the dynamic classifier, but is sent to a further comminution and kept in circulation in the grinding circuit until a sufficiently small particle size allows a view in the static classifier.
  • a second grinding device is connected downstream of the first dividing device, wherein the second grinding device is connected to the at least one entry opening of the at least one static classifier.
  • a partial flow ('second partial flow') is branched off from the flow of the ground regrind and fed into a separate partial circuit.
  • the second grinding device preferably as a roller press.
  • the expression of the "Übermahlens" refers here to the further comminution and not about a faulty operation of the grinding device means (in the sense of 'too much').
  • the second grinding device designed as a roller press, may be lower in performance than the first, since it has a lower throughput due to the partial flow formation than the first roller press. Furthermore, they already give pre-shredded good in them, while the Frischgutiergabe takes place only in the first grinding device. If the second grinding device is also a roller press, it can therefore be operated on average at a lower speed than the first roller press.
  • the ground grinding material discharged from the second grinding device is, preferably gravity-fed, directed to the static classifier, where, like the first part-stream ground grinding material, it is placed in the entry opening for precaution.
  • the advantage according to the invention therefore firstly lies in the fact that the visual material to be classified in the static classifier consists of several constituents which differ with respect to the particle size. Parts thereof are at least simply (in the first roller press) ground millbase, other components are ground in the first roller press (at least) once and additionally (at least) over-ground in the second mill. Together, this leads to a flatter particle size distribution, wherein in the case of cement production, the cement quality is improved by the fact that an increased fines content is given with smaller grain sizes.
  • the second advantage is that the particle size distribution in the finished product can be influenced by very easy-to-use means, namely by controlling the first dividing device, for example as a splitter gate.
  • the division of the ground grind on the described subcircuits, so in particular the amount that is supplied to a grinding, can be made variable and in the ongoing betheb be changed.
  • the first roller press does not already have to realize a particularly fine grinding.
  • the speed and thus also the regrind throughput can regularly turn out to be slightly higher than in a comparable cycle grinding plant without a second grinding device.
  • the at least one static classifier is given as a cascade classifier.
  • a cascade classifier typically has a substantially V-shaped and shaft-shaped housing in which two meetzonenbegrenzungsLite between them form a viewing zone.
  • the walls have cascaded baffles. This has the advantage, over and above the actual visual process caused by the blown-in view air, that material deposited for sifting hits the baffles from above.
  • the material emerging from roller presses in cement production is partly comminuted in the good bed, but partly also agglomerated, i. compressed into rags. Fall and impact of the slugs in the Cascade classifier have a disagglomerating effect.
  • a predominantly fine- and medium-grained fraction is classified as crushergut and discharged with transplantsicht Kunststoff this static caution from the reformgutaustrag.
  • the coarse material falling against the air stream due to its gravity is discharged through a corresponding discharge opening and, according to the invention, recirculated to the first grinding device.
  • the at least one dynamic classifier is given as a dynamic rod basket sifter.
  • the stream of sifting air and the material to be sifted therein, the material to be sifted by the static custodian, is introduced via at least one visible material inlet into a generally spiral-shaped feeding device in which it is guided to a rotating rod basket. Its arranged over the circumference of the rod basket rods act as turbo elements that accelerate the reformluftstrom and therein reformgut.
  • the fines pass into the interior of the bar basket and are discharged as finished goods together with the classifying air (as exhaust air) through a fine material discharge opening.
  • the fraction of the heavier grains is conveyed to the edge of the classifier zone and, for example, by gravitational action down as grits discharged through the Grobgutaustragsvornchtung and recirculated in the grinding circuit to the first grinding device, so abandoned in the crop delivery of this roller press.
  • a particularly advantageous embodiment of the invention provides that, between the second grinding device and the at least one static classifier, a second dividing device for dividing the millbase ground in the second mill into a millbase ground mill and a second partial stream of ground millbase in a variably adjustable millbase Ratio is arranged.
  • the divider arrangement arranged here is provided, for example, as a splitter gate, by means of which the volumetric ratio between the two mutually separated substreams can be adjusted in a targeted manner and varied in tests by the skilled person, as proves to be advantageous for the desired particle size distribution in the finished product.
  • the first part-stream of ground millbase is then fed to the at least one static classifier for precaution, that is, for example gravity-induced, in the usual way through the connecting line existing between the second mill and the static cautery.
  • the second partial stream of ground millbase is recirculated as a bypass stream directly to the first mill. This provides a further possibility to influence the particle size distribution of the product in favor of a flatter distribution.
  • a certain portion of the ground material to be quantitatively determined by the skilled person in experiments is passed here as a bypass past the static precautionary agent and instead returned directly to the first grinding device designed as a roller press. This can be done in suitable union with the coarse material stream coming from the static sifter.
  • this bypass passes once over-grinding material in the first grinding device, where it is crushed and is then proportionately redirected by splitting at the first divider to the second grinding device.
  • This process is iterated by further loop runs, although, in the usual case, with the number of revolutions, the proportion of mill grinds ground several times rapidly reduces to negligibly small quantities. Nevertheless, it has surprisingly been found that the proportionately double and multiple overmilling caused by the bypass has a favorable influence on the particle size distribution of the finished product.
  • the second grinding device is arranged below the first grinding device and above the static classifier, ie below the nip between the rollers of the first grinding device and above the entry opening static sifter, designed as a V-shaped cascade sifter.
  • the second grinding device may be given as a ball mill or as an impact hammer mill.
  • the second grinding device is designed as a roller press.
  • the use of roller presses with their high-pressure comminution is usually by comparatively lower energy and thus cost, characterized by less susceptibility to interference, thus less need for repair and maintenance, as well as a higher material throughput.
  • the roller press has a speed-controlled drive.
  • the roller press can be dimensioned smaller in the grinding circuit according to the invention in accordance with the respective typical proportion of the material flow to be comminuted by it than the roller press of the first grinding device.
  • an embodiment of the invention therefore provides for the level of the material to be ground fed into the material feeding device of the first grinding device (consisting of the fresh product, the semolina, the separated coarse material and, in the case of the existence of the described bypass in material flow direction behind the second grinding device - to control from the over-ground regrind of the bypass stream in a control loop with the mass flow of the abandoned fresh material as a manipulated variable.
  • Changes in the amount of fresh food supplied lead both directly to task in the Gutaufgabeschacht the first grinding device to a change in the local level and with a corresponding time delay by the resulting change in the amount of recirculated in the circulation to her material.
  • the amount / mass of the fresh material fed per unit time of the first grinding device can be adjusted by the speed of the conveyor belts used, but in particular by pre-switching corresponding per se known throttling or metering devices, such as a feeder belt.
  • the second grinding device is given in the grinding circuit as a roller press.
  • the actual value of the level of the supplied grind ie the ground grind of the second, coming from the first grinder ago partial flow in Gutaufgabeschacht above the nip within specific upper - And lower limits, ie in sufficiently small difference to a suitable setpoint, to lead.
  • An advantageous embodiment of the invention therefore provides to regulate the level of the given in the cropping device of the second grinding device, ground millbase of the second part stream ground millbase in a control loop with the speed of the roller press as a manipulated variable.
  • the amount of material supplied per unit time of the second grinding device in a given mode of operation depends on the amount of fresh material fed into the grinding cycle, but in particular on the distribution ratio of the ground material to be ground by the dividing device after the first grinding device.
  • the setting of this ratio is thereby carried out by the person skilled in the art from the point of view of achieving a desired particle size distribution curve in the finished product. well done.
  • fluctuations in the crop feed quantity of the second roller press therefore have to be compensated for their operation.
  • the level in the material feed chute measured for example by pressure cans, is dependent on the throughput in the nip, and the flow rate can be influenced by the rotational speed of the rollers, ie by the speed of the roller drive.
  • the second grinding device is not as a roller press, but, for example.
  • a ball mill or impact hammer mill given analog control loops are provided which dose the feed quantity to the second grinding device in a suitable manner.
  • Fig. 1 shows a Kreislaufmahlstrom invention in a schematic representation in the embodiment with second roller press and bypass.
  • Step 1 the Kreislaufmahlstrom invention and the corresponding method for their operation in one embodiment are shown schematically.
  • Fresh material 1 is fed into the multi-part grinding cycle by feeding it to the material-feeding device 2 of the first grinding device 3, which is designed as a roller press (high-pressure roller press, good-bed roller mill).
  • the material dispensing device 2 is formed by the supplied fresh material 1 and in the grinding circuit recirculated material a level 4, which can be determined, for example, by pressure boxes or other known for this purpose measuring devices at any time.
  • the level 4 is controlled in a control loop so that it is suitable for the operation of the roller press 3, ie for the comminution in the nip.
  • the supplied mass flow of the fresh material 1 is adjusted accordingly.
  • the ground regrind 5 is partly in the form of agglomerated flakes.
  • the stream of ground millbase 5 is divided into a first part-stream ground millbase 7 and a second part-stream ground millbase 8. The ratio The amount-related distribution between the two partial streams ground grinding material 7, 8 is controlled by the expert by a setting on the first divider 6 so that ultimately sets the finished grain size 9 the desired particle size distribution.
  • variable adjustment also offers both ways to adapt the Kreislaufmahlstrom to different textures of the fresh material 1, as well as to bring about variations in the particle size distribution of the finished good 9 in a test operation of the plant.
  • the first partial stream of ground grind 7 will be stronger than the second partial stream of ground grind 8.
  • the first part-stream milled ground material 7 is guided in the manner known by already existing Kreislaufmahlanlagen to a static classifier 10, which is arranged for a lower, because gravity-assisted material transport height related below the first grinding device 3 and first divider 6.
  • the static classifier 10 is given in the case of execution as a V-shaped cascade classifier and fulfills the function of a precaution in the grinding circuit.
  • the material to be sighted of the first part-stream ground material 7 enters through an entry port 1 1 in the static classifier 10, there is at least partially disagglomerated and emerging from the Sichgutaustrag 12, predominantly fine and medium-grained fraction of reformgutem reformgut 13 and in a from the discharge opening 14 downwardly emerging coarse-grained fraction of separated coarse 15 separated.
  • the sighted material 13 discharged from the static sifter 10 together with the classifying air 16 is pneumatically, i. Suspended in the flow of the classifying air 16, passed through a riser 17 to the Nachsichtvorgang to the dynamic classifier 18.
  • This transport path can also be done mechanically, for example by a bucket elevator, but this is generally unfavorable in terms of energy and maintenance.
  • the stream of classifying air 16 and classified admirgut 13 enters via a prepare for example by a bucket elevator, but this is generally unfavorable in terms of energy and maintenance.
  • the stream of classifying air 16 and classified reformgut 13 enters via a reformguteintritt 19 in the typically designed as Stabkorbsichter dynamic classifier 18 a.
  • a still coarser fraction, the meal 20 leaves the coarse material discharge device 21 downwards out of the dynamic classifier 18.
  • the meal 20 is recirculated in the grinding circuit to the material feeding device 2 of the first grinding device 3.
  • the dynamic classifier 18 is arranged in height above the first grinding device 3.
  • the fine-grained finished product 9, which is still being suspended in the flow of classifying air 16 is discharged from the dynamic classifier 18 by the fine-material discharge device 22.
  • the desired fine finished good 9 of the classifying air 16-finished 9-stream is passed into a cyclone 23, where the finished good 9 is separated according to the principle of a centrifugal separator of the classifying air 16.
  • This is discharged as exhaust air 24 either in the surrounding atmosphere (in compliance with environmental guidelines) or it can, for example, with fan help, advantageously returned to the static classifier 10, where it is injected after suitable compression as a classifying air (not shown here).
  • the separated coarse material 15 emerging from the static separator 10 is recirculated mechanically or preferably also pneumatically for a further comminution process to the first grinding device 3, whereby a second partial circuit is formed in the Kreislaufmahlstrom.
  • the separated coarse good is given up together with the fresh material 1 in the crop delivery device 2 of the roller press 3.
  • a second grinding device 25 is integrated into the cycle grinding plant, which is preferably also present in the illustrated embodiment as a roller press. This can be kept smaller than the first roller press 3 because of the lower material throughput.
  • the second partial stream ground millbase 8 branched off at the first dividing device 6 is guided into the crop delivery device 26 of the second grinding device 25.
  • the second grinding device 25 is arranged vertically below the nip of the first roller press 3.
  • the quantity of ground material 8 ground in the second part-stream, which is supplied to the second grinding device 25, is set by the person skilled in the art in terms of an optimum particle size distribution in the finished product 9 and will suitably vary under particular circumstances.
  • a level 28 suitable for the operation of the second grinding device 25, which is given as a roller press in its material delivery device 26, the level 28 of the second grinding device 25 is continuously fed by suitable measuring means, eg pressure cans. determined and integrated into a control loop.
  • suitable measuring means eg pressure cans. determined and integrated into a control loop.
  • the manipulated variable here is the speed of the roller press 25. If the rollers of the roller press 25 are driven, for example, at a higher speed, their increased rotational speed increases the entry into the nip and the material throughput and thus reduces the level 28 in the material delivery device 26.
  • a further measure for increasing the adjustment possibilities of the particle size distribution in the finished product 9, in particular in favor of a flatter particle size distribution is provided.
  • a second dividing device 29 is arranged, which divides the ground millbase 27 in a first partial flow ground mill 30 and a second partial flow of ground mill 31 in a quantitative ratio to each other, the expert in terms of the particle size distribution in the finished product. 9 can be set variably at the example.
  • splitter gate running second divider 29 As splitter gate running second divider 29.
  • the second partial flow of ground meal 31 passes as a bypass past the static classifier 10 and directly for further comminution to the first milling device 3 led. He can, if this allows the geometry of Kreislaufmahlstrom advantageous, on the transport path with the stream of separated in the static separator 10 coarse material 15 are combined. In this way, portions of the bypass 31 can even be over-milled two times (or even multiply in a strongly decreasing proportion iteratively), which overall contributes to a flattening of the particle size distribution spectrum.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner une installation de broyage à circulation servant à broyer un produit frais (1), présentant les étapes suivantes : la fragmentation du produit frais (1) en un produit broyé (5) dans un premier dispositif de broyage (3) conçu sous la forme d'une presse à rouleaux ; la division du produit broyé (5) en un premier et un second flux partiels (7, 8) dans un rapport variable ajustable ; le pré-tamisage du premier flux partiel (7) dans un tamis statique (10) placé sous le premier dispositif de broyage (3), d'où sortent un produit tamisé (13) et un produit à grossier séparé (15) ; le transport pneumatique du produit tamisé (13) vers un tamis dynamique (18) placé au-dessus du premier dispositif de broyage (3), d'où sortent un produit en grains (20) et un produit fini (9) ; et la remise en circulation du produit en grains (20) vers le premier dispositif de broyage (3). L'invention concerne par ailleurs une installation de broyage à circulation correspondante. Selon l'invention, on effectue une remise en circulation du produit grossier séparé (15) vers le premier dispositif de broyage (3), une fragmentation du produit broyé du second flux partiel (8) en un produit surbroyé (27) dans un deuxième dispositif de broyage (25), et un pré-tamisage du produit surbroyé (27) dans le tamis statique (10).
PCT/EP2016/052245 2015-02-04 2016-02-03 Installation de broyage à circulation munie de deux dispositifs de broyage et procédé permettant de faire fonctionner l'installation de broyage à circulation WO2016124627A1 (fr)

Applications Claiming Priority (2)

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DE102015001404.8 2015-02-04
DE102015001404.8A DE102015001404B3 (de) 2015-02-04 2015-02-04 Kreislaufmahlanlage mit zwei Mahlvorrichtungen und Verfahren zum Betrieb der Kreislaufmahlanlage

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107971082A (zh) * 2017-12-30 2018-05-01 岑罗琼 一种高效的磨粉装置
CN110523505A (zh) * 2019-08-28 2019-12-03 章庆宁 一种再生混凝土生产用粉碎装置
CN113634320A (zh) * 2021-07-09 2021-11-12 安徽德亚电池有限公司 一种电芯材料用混合装置
WO2022223500A1 (fr) * 2021-04-21 2022-10-27 Khd Humboldt Wedag Gmbh Installation de broyage à circulation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015009273B3 (de) * 2015-07-16 2016-12-29 Khd Humboldt Wedag Gmbh Verfahren und Vorrichtung zum zweistufigen Mahlen von Frischgut

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407535A1 (de) 1984-03-01 1985-09-05 Klöckner-Humboldt-Deutz AG, 5000 Köln Einrichtung zur selbsttaetigen regelung der durchsatzleistung bei der zweistufigen zerkleinerung sproeder materialien
DE3544798A1 (de) * 1985-10-29 1987-04-30 Kloeckner Humboldt Deutz Ag Einrichtung zur zerkleinerung und mahlung sproeden mahlgutes, insbesondere von feuchtem ausgangsmaterial
DE3921823A1 (de) * 1989-07-03 1991-01-17 Krupp Polysius Ag Verfahren und anlage zur zerkleinerung von mahlgut
DE68912012T2 (de) * 1988-07-22 1994-05-19 Cle Courbevoie Verfahren zur Zerkleinerung und Verdichtung irgendeines Mineralgutes und Vorrichtung zur Durchführung dieses Verfahrens.
DE10137132A1 (de) * 2001-07-30 2003-02-13 Polysius Ag Sichter
DE10221739A1 (de) 2002-05-16 2003-12-04 Kloeckner Humboldt Wedag Kreislaufmahlanlage mit Mühle und Sichter
DE102013019840A1 (de) 2013-11-26 2015-05-28 Khd Humboldt Wedag Gmbh Verfahren zur Herstellung von Zement
DE102013020888A1 (de) 2013-12-11 2015-06-11 Khd Humboldt Wedag Gmbh Kreislaufmahlanlage mit Vorsichter und Kugelmühle
DE102014010065B3 (de) 2014-07-08 2015-07-09 Khd Humboldt Wedag Gmbh Kreislaufmahlanlage mit zweitem Mahlkreislauf und Verfahren zum Betrieb der Kreislaufmahlanlage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407535A1 (de) 1984-03-01 1985-09-05 Klöckner-Humboldt-Deutz AG, 5000 Köln Einrichtung zur selbsttaetigen regelung der durchsatzleistung bei der zweistufigen zerkleinerung sproeder materialien
DE3544798A1 (de) * 1985-10-29 1987-04-30 Kloeckner Humboldt Deutz Ag Einrichtung zur zerkleinerung und mahlung sproeden mahlgutes, insbesondere von feuchtem ausgangsmaterial
DE68912012T2 (de) * 1988-07-22 1994-05-19 Cle Courbevoie Verfahren zur Zerkleinerung und Verdichtung irgendeines Mineralgutes und Vorrichtung zur Durchführung dieses Verfahrens.
DE3921823A1 (de) * 1989-07-03 1991-01-17 Krupp Polysius Ag Verfahren und anlage zur zerkleinerung von mahlgut
DE10137132A1 (de) * 2001-07-30 2003-02-13 Polysius Ag Sichter
DE10221739A1 (de) 2002-05-16 2003-12-04 Kloeckner Humboldt Wedag Kreislaufmahlanlage mit Mühle und Sichter
DE102013019840A1 (de) 2013-11-26 2015-05-28 Khd Humboldt Wedag Gmbh Verfahren zur Herstellung von Zement
DE102013020888A1 (de) 2013-12-11 2015-06-11 Khd Humboldt Wedag Gmbh Kreislaufmahlanlage mit Vorsichter und Kugelmühle
DE102014010065B3 (de) 2014-07-08 2015-07-09 Khd Humboldt Wedag Gmbh Kreislaufmahlanlage mit zweitem Mahlkreislauf und Verfahren zum Betrieb der Kreislaufmahlanlage

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CN107971082A (zh) * 2017-12-30 2018-05-01 岑罗琼 一种高效的磨粉装置
CN107971082B (zh) * 2017-12-30 2018-11-30 涡阳县丰华面业有限公司 一种高效的磨粉装置
CN110523505A (zh) * 2019-08-28 2019-12-03 章庆宁 一种再生混凝土生产用粉碎装置
WO2022223500A1 (fr) * 2021-04-21 2022-10-27 Khd Humboldt Wedag Gmbh Installation de broyage à circulation
CN113634320A (zh) * 2021-07-09 2021-11-12 安徽德亚电池有限公司 一种电芯材料用混合装置

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