EP2785472B1 - Dispositif pour separer des produits granuleux - Google Patents

Dispositif pour separer des produits granuleux Download PDF

Info

Publication number
EP2785472B1
EP2785472B1 EP12790561.0A EP12790561A EP2785472B1 EP 2785472 B1 EP2785472 B1 EP 2785472B1 EP 12790561 A EP12790561 A EP 12790561A EP 2785472 B1 EP2785472 B1 EP 2785472B1
Authority
EP
European Patent Office
Prior art keywords
separator
housing
static
accordance
classifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12790561.0A
Other languages
German (de)
English (en)
Other versions
EP2785472A1 (fr
Inventor
Harald Günter
Thomas HANSTEIN
Eberhard Neumann
Eggert De Weldige
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.)
Maschinenfabrik Koeppern GmbH and Co KG
Original Assignee
Maschinenfabrik Koeppern GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47221422&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2785472(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Koeppern GmbH and Co KG filed Critical Maschinenfabrik Koeppern GmbH and Co KG
Publication of EP2785472A1 publication Critical patent/EP2785472A1/fr
Application granted granted Critical
Publication of EP2785472B1 publication Critical patent/EP2785472B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • 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
    • 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
    • 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 an apparatus for sifting granular material into at least three fractions, with at least one static sifter forming a first sifting stage and at least one dynamic sifter forming a second sifting stage, wherein the static sifter in a classifier housing having at least one first material inlet, at least one classifying gas inlet and at least one coarse material outlet has a plurality of impact-type and guide structures arranged in a staircase manner with one another, wherein the dynamic classifier is designed as a rod basket classifier with a rotating rod basket and has a second classifier housing with at least one middle product outlet and a fine material outlet.
  • the grainy good may, for. B. cement, cementitious materials, cement raw material, limestone or slag but also to ores or the like.
  • roller presses or good bed roller mills are used in practice. In this high-pressure crushing of the granular material to be crushed this in the gap between two press rolls (Gutbettzerkleintation). In the course of comminution, agglomerates are formed, called slugs.
  • Such good bed roller mills can be operated in a closed circuit with static and / or dynamic classifier. The good bed roller mill is then positioned below a sifter, for example, so that the coarse material fraction emerging from the sifter is (again) fed to the roller mill.
  • the material emerging from the roller mill is in turn fed to the material inlet of the viewing device, which is composed as a multi-stage device of a static classifier and a dynamic classifier.
  • the static classifier a deagglomeration of the slugs takes place via the baffles and Leitinstallations, and at the same time the coarse material fraction is deposited and fed to the roll press.
  • the "finer" material passes with the classifier gases into the dynamic classifier, where it is subjected to fine classification.
  • the fines from this classifier are removed together with the classifying gas and collected in the following cyclones and / or filters as finished product.
  • the weighted from the dynamic classifier middle fraction can, for. B. also be fed again to the roll press or another grinding stage.
  • Such measures are known from the prior art (cf. DE 43 37 215 A1 ).
  • a generic sighting device of the type described above is known z. B. from the DE 42 23 762 B4 ,
  • This classifier has in a housing a rotatably driven rod basket with distributed over the rotor circumference arranged turbo elements and with inlets and outlets for reformluft, reformgut, fines, medium and coarse material.
  • the horizontally arranged bar basket is preceded by a shaft-like caution chamber at the same height at the same height, the top of a view of the separate air entry port for the preparegut, the side of the rod basket opposite arranged opening for the classifying air, below a discharge opening for a coarse grain fraction and two opposing, has between it a caution zone forming, permeable to the view air shaft boundary walls.
  • the viewing device of JP-6-106 135 A where the sieve basket of the dynamic classifier rotates around a vertical axis.
  • FIG. 7 An alternative embodiment of a multi-level classifier with a compact design is known from US Pat. No. 7,854,406 B2 known.
  • the viewing device consists of a plurality of concentric housings, wherein a rotating about a vertical axis rod basket is provided as a Nachsichttre.
  • the precautionary stage is formed by a simple cyclone with the sight and the sighting gas supplied via a common supply line spirally connected to the classifier housing. A deagglomeration of the scapula is limited in the static vision level possible.
  • the describes DD 253771 A1 an air classifier for classifying in particular fine-grained bulk materials in at least two fractions, consisting of a cylindrical upper housing part, which is followed by a semolina cone with Gr manaustrag below.
  • the rod basket rotates about a vertical axis.
  • a ring container is provided with a floating floor as a dispersing device, which is arranged above the sortgaseineriesstutzens in the region of the bar basket inside or outside of the classifier and is in communication with the viewing space via an annular gap and / or an annular channel.
  • the invention is therefore an object of the invention to provide a device for sifting granular material in at least three fractions of the type described above, which is characterized not only by a particularly compact design, but in particular by low investment and operating costs and higher visual efficiency.
  • a sifting device should enable economical operation of a grinding plant with at least one roller press with high visual efficiency.
  • the invention provides a device for sifting granular material in at least three fractions, which has the features of claim 1.
  • the invention is initially based on the principle known knowledge that it is advantageous to combine a static sifter and a dynamic sifter in the embodiment as Stabkorbsichter with each other, as on the static sifter, a first coarse material fraction can be viewed, so that the dynamic Classifier with the relatively sensitive rotating components is not unnecessarily burdened with coarse material.
  • the static sifter is connected directly to the side of the dynamic sifter, wherein the static sifter, in terms of process engineering, fulfills both the task of specimen agglomeration and of a first coarse separation.
  • the static sifter and the dynamic sifter are consequently brought together close to each other, so that both sifters work energetically very efficiently and the static sifter can fulfill the task of sludge deagglomeration.
  • the classifier of the static classifier opens in a tangential or spiral orientation into the classifier housing of the dynamic classifier.
  • the sifter housing of the static sifter is always compactly connected laterally to the sifter housing of the dynamic sifter so that the static sifter housing merges into the dynamic sifter housing.
  • the Sifter according to the invention thus has housing areas which can be assigned to both the static classifier and the dynamic classifier as a transition between the static classifier and the dynamic classifier.
  • the classifier housing of the dynamic classifier has an upper housing portion in which the rotating rod basket is arranged, and has a lower housing portion, in which z. B.
  • a failure funnel is arranged for the middle goods, wherein the static separator is connected with its housing to the lower housing portion of the dynamic classifier and merges into this lower housing portion.
  • This lower housing section of the dynamic sifter thus forms the transitional area between static sifter and dynamic sifter.
  • the housing of the dynamic classifier may preferably be cylindrical, so that the upper housing portion and / or the lower housing portion may be cylindrical.
  • the lower housing section of the dynamic classifier then also has the function of a cyclone, which can influence both the function of the static classifier and the function of the dynamic classifier. Thus, this cyclone formed by the lower housing section can influence the effect of the static vision level.
  • this cyclone can also be regarded as part of the dynamic classifier, since it forms a inflow channel for the vertical admission of the staff basket and because the failure separator of the dynamic classifier can also be arranged within this housing portion or cyclone.
  • the static classifier and the dynamic classifier are spatially and also functionally closely connected.
  • the static sifter is preferably connected to the lower housing section of the dynamic sifter. Then the static sifter (in a side view) is usually positioned below the bar basket. Alternatively, however, it is within the scope of the invention to arrange the static classifier or the static classifier at the same height or at least in some areas at the same height as the rotating rod basket.
  • the slide deagglomeration is realized with the help of integrated impact and guide fixtures in the static classifier.
  • the baffle and Leiteinbauten can be formed in a conventional manner of mutually inclined baffles or baffles. In a preferred embodiment, these plates or sheets are adjustable in their inclination, z. B. pivotable about a horizontal axis or rotatable. Since the operation of the static classifier during operation - in contrast to a dynamic classifier - is influenced only limited, such adjustment is appropriate. It can be set the desired conditions of the static classifier, so that in particular the flow conditions can be optimized.
  • the baffles and Leiteinbauten can also be formed by roof-like installations, as z. B. from the DE 1 002 600 are known.
  • the roof-like installations can optionally be displaced in the horizontal direction.
  • the task of the sheet deagglomeration on the one hand and a first coarse material separation on the other hand are always combined with one another.
  • the static classifier housing of the dynamic classifier is generally cylindrical or at least partially cylindrical
  • the static classifier has a bay-like or box-like housing, which is preferably oriented obliquely to the vertical, so that also arranged inside the baffle and Leiteinbauten are arranged along a slope.
  • the shaft-like housing has on the one hand the material inlet or Material entries for the good to be seen and on the other hand, at least one submitgaseinlass on which z. B. Air is supplied.
  • the shaft-like housing having a (lower) shaft wall, which at a predetermined angle ⁇ between 10 ° and 80 °, z. B. 40 ° to 60 ° oriented.
  • the housing can thus be arranged (in the side view) as a whole obliquely to the vertical.
  • the invention also includes a shaft-like housing, which is not aligned obliquely to the vertical, but parallel to the vertical.
  • the preparegaseintritt can z. B. are formed by at least one obliquely above the internals arranged inlet opening.
  • the sight gas inlet is formed by one or more openings arranged in the shaft wall.
  • These openings can z. B. be closed by flaps, so that can be varied by opening and closing the view gas supply. It is therefore within the scope of the invention that either an (upper) inlet opening of the type described is provided or that openings are provided in the shaft wall.
  • a combination of these measures is realized, so that then both at least one obliquely arranged above the internals inlet opening and one or more arranged in the shaft wall openings are provided, said openings optionally z. B.
  • Flaps means in the context of the invention generally means for opening and closing the openings and in particular for adjusting the air passage rate. By means of suitable air volume control it is possible to further increase the visual efficiency.
  • the sight gas inlet is formed by a region of the sifter housing which is free of the chute wall. In this embodiment, can be dispensed with the shaft wall, so that then worked with open flow.
  • the direction of rotation of the bar basket can be oriented with or against the tangential or spiral connection direction of the static separator housing.
  • the dynamic sifter is particularly preferred in the upper part, z. B. provided in the upper housing section with one or more other material entries. This is particularly useful when the sifter is integrated into a multi-stage grinding plant, because then the ground good of a second stage can be fed to this sighting over this (second) material inlet. It may be z. B. to the Austragsgut a second crushing device, for. B. a ball mill act.
  • the integration of the classifier in a single or multi-stage grinding plant will be explained in more detail below.
  • two or more static classifiers, each with a classifier housing, are preferably connected to the dynamic classifier, in particular in the case of large units.
  • the precaution for prospecting a coarse material fraction and for deagglomerating the scoop can consequently be carried out in parallel in several stages of precaution, in which case the individual precautionary steps are applied in parallel to the same dynamic classifier.
  • the connection of the plurality of static classifier takes place (in plan view) preferably symmetrical. So it is within the scope of the invention that the plurality of static classifier over the circumference "symmetrical" and therefore arranged equidistantly.
  • the offset is in relation to the circumference 360 ° / n, where "n" means the number of static classifier. Consequently, if two static classifiers are used, they are preferably connected in plan view at an angle of 180 ° to the dynamic classifier. If three static classifiers are used, these are preferably offset by an angle of about 120 °, and if four static classifiers are used, they are preferably offset by an angle of 90 °, and so on.
  • baffles In addition to the static sifter already provided baffle and Leitinstallations, it may be appropriate to provide in the area of the dynamic classifier baffles, z. B. within the classifier housing of the dynamic classifier, preferably in the lower housing portion, which can take over the function of a cyclone for the reasons explained.
  • the classifier housing of the dynamic classifier is provided with one or more additional air supply lines, which take over the function of an air bypass. It is then not only the air supply via the air inlet of the static classifier, but on the dynamic classifier additional air can be supplied. This then leads to the fact that the air supply is reduced in the range of the static classifier, so that in this way an optimized adjustment of the air duct is feasible.
  • This additional air supply can, for. B. be realized in the upper housing portion of the classifier housing of the dynamic classifier.
  • additional air distribution devices eg. B. perforated plates o. The like.
  • B. perforated plates o. The like.
  • the separator device according to the invention can be used for the sifting of granular materials of various kinds, in particular for the screening of cement, cement raw materials, limestone and similar materials. Alternatively, however, the invention also includes the screening of ores or the like. The natural resources of such raw materials are sometimes largely exploited, so that the extraction moves into hard to reach regions without sufficient water resources. There, the separator according to the invention can be used particularly efficiently.
  • a multi-level, z. B. two-stage grinding system can be realized, in which in addition to the separator according to the invention, a further, separate separator is provided.
  • the middle fraction of the described first classifier according to the invention in turn, a second crushing device, for. B. supplied to a ball mill.
  • the Austragsmaterial this ball mill is then not - as described above - again the first classifier, but the second, separate classifier supplied with the emerging from this second classifier coarse material is again fed to the ball mill, while emerging from the second classifier fines as turn Product can be removed.
  • single-stage grinding plants are also included, in which both the coarse material emerging from the sighting device according to the invention and the middle product of a first (single) comminution device, e.g. B. roller press, is fed and wherein the material emerging from this crushing material in turn enters via the material inlet into the viewing device according to the invention.
  • a single-stage Kreislaufmahlstrom is realized.
  • the in the Fig. 1 to 5 shown viewing device 1 is used for sifting granular material, eg. As cement, in at least three fractions.
  • the device 1 is composed of a static classifier 2 and a dynamic classifier 3, which are combined in a particularly compact manner.
  • the static separator 2 forms a first viewing stage
  • the dynamic classifier 3 arranged downstream of the static classifier 2 in the direction of the visual medium flow forms a second visual stage.
  • the static classifier 2 has a classifier housing 4 with the first material inlet 5, the classifying gas inlet 6 and the coarse material outlet 7. Within the classifier housing 4 are several, stair-like arranged with each other baffle and Leiteinbauten 8, 9 are arranged. In the exemplary embodiment, these fixtures are designed as baffles 8, 9, which also take over the function of baffles for the static separator. In Fig. 1 It can be seen that there are two groups of mutually inclined baffle plates 8, 9, wherein these baffles 8, 9 about pivot axes 10 are adjustable, so that the inclination of the baffles 8, 9 is adjustable.
  • the second viewing stage is formed by the dynamic classifier 3, which has a classifier housing 11.
  • This cylindrical classifier housing 11 has an upper (cylindrical) portion 11a and a lower (cylindrical) portion 11b.
  • a rotating rod basket 12 is arranged, which surrounds a set of vanes 13. These are stationary vanes, which are arranged at a fixed or adjustable angle of attack to the axis of rotation of the bar basket.
  • the rod basket 12 rotates about a vertical axis 14.
  • a drive 15 is connected to the rod basket 12.
  • a failure cone 16 is connected within the second classifier housing 11, which in turn is connected to the middle goods outlet 17.
  • To the upper part 11a of the classifier housing 11 of the fine material outlet 18 is connected, via which the gas-fine material mixture is discharged. Furthermore, further material inlets 19 are connected to the upper housing part 11a.
  • the starting material to be viewed is fed to the sighting device 1 via the first material inlet 5. About this passes the goods to be sighted consequently in the first viewing stage and consequently in the static classifier 2.
  • the classifying gas for. B. supplied air. It may be z. B. also act hot drying gases.
  • the material to be sighted now falls on the system of baffle and baffle plates 8, 9, in particular for deagglomeration the slugs and agglomerates produced during grinding in a roller press come. In this case, the material is flowed through by the viewing medium with possible, simultaneous drying.
  • the static separator operates as a cross-flow air classifier, so that the coarse material falls through the housing 2 in the lower failure cone 20 and is discharged from there via the coarse material discharge 7.
  • This failure cone 20 is structurally connected to the lower part 11b of the classifier housing 11 of the dynamic classifier 3.
  • the static sifter and the dynamic sifter are interconnected in a very compact manner so that the static sifter 2 merges into the dynamic sifter 3.
  • For the static classifier is connected with its classifier 4 side of the sifter housing 11 of the dynamic classifier.
  • the classifier housing 4 of the static classifier 2 merges into the lower housing portion 11b of the classifier housing 11 so that the housing portion 11b of the classifier housing 11 can be functionally assigned in regions to the static classifier and the dynamic classifier, respectively. It establishes the connection between the static classifier and the dynamic classifier, with the cylindrical lower housing portion 11b also fulfilling the function of a cyclone.
  • the fraction selected from the static sifter 2, together with the classifying gas enters the dynamic sifter 3, namely the upper area 11a of the sifter housing 11 and there into the area of the wire basket 12. Between this rotating bar basket 12 and the conductor blades 13 it occurs the desired fine sighting.
  • the "coarser” or middle portions reach via the inner failure funnel or failure cone 16 to the failure tube and thus Wegschreibsch 17 ("Gr manausfallrohr”).
  • This middle fraction is also called “grits”.
  • the fines will be together with the gases discharged through the fines and gas outlet 18 from the classifier.
  • About the additional material inlets 19 can be further material directly to the second stage of view perform. It may be z. B. to act, which consists of an additional crushing device, for. B. is fed to a ball mill. This is related to the Fig. 6 discussed in more detail.
  • FIGS. 2 and 3 show now that the static separator 2 according to the invention with a shaft-like and obliquely arranged to the vertical first classifier housing 4 is connected directly to the second classifier housing 11 of the dynamic classifier 3, in embodiment in tangential or spiral orientation.
  • Fig. 2 shows an embodiment with a spiral connection
  • Fig. 3 an embodiment with tangential connection shows.
  • the in the 4 and 5 illustrated embodiment substantially corresponds to the embodiment according to Fig. 1 and 3 , It differs geometrically in particular by the arrangement and design of the outlet funnel 16 of the dynamic classifier, which in the embodiment of the 4 and 5 over the entire height of the lower portion 11 b of Classifier housing 11 and also over the entire height of the classifier housing 4 of the static classifier 2 extends.
  • the embodiments differ according to Fig. 1 to 3 on the one hand and 4 and 5 on the other hand in their geometric design, in particular in the area of the static classifier and its Leitinstallations.
  • the basic structure and operation are identical.
  • the shaft-like first classifier housing which is connected in a tangential or spiral orientation to the second classifier housing, is of particular importance.
  • the figures show that this shaft-like first housing 4 or its (lower) shaft wall 21 is oriented at a PRE-enclosed angle ⁇ obliquely relative to the vertical.
  • this angle ⁇ is about 40 ° to 60 °, z. B. about 50 °.
  • the viewing zone of the static classifier formed between the baffle plates 8, 9 which are arranged in the manner of a staircase below one another is oriented at a certain angle ⁇ at an angle to the vertical.
  • this angle ⁇ is about 20 ° to 40 °, z. B. 25 °.
  • This overall obliquely oriented housing 4 is according to the invention connected spirally or tangentially to the housing of the dynamic classifier.
  • FIGS. 1-10 show an embodiment in which the static classifier, although connected laterally to the dynamic classifier, but is positioned spatially below the rotating rod basket.
  • the static classifier is arranged (at least in some areas) at the same height as the rotating rod basket. The same applies to embodiments with multiple static separators.
  • the air supply takes place in particular via the illustrated reformgaseinstory 6.
  • additional reformgaseinstorye be provided, which are formed in particular by arranged in the shaft wall 21 openings. This is not shown in the figures.
  • Such openings may be made by suitable means, e.g. As valves, slides or the like to open and close, in particular by adjustable means a variable adjustment and thus air flow control is possible.
  • baffle plates 8, 9 The arrangement of the baffle plates 8, 9 is shown in the figures only by way of example. It is indicated that the articulation points of the baffles 8, 9 need not lie on a common straight line, but may be arranged at a distance from each other. This one is especially in Fig. 4 indicated. However, it is alternatively also within the scope of the invention that the articulation points of the baffles or baffles (approximately) are arranged on a straight line or are also toothed and thus formed interlocking. However, they can also - as shown in the figures - be carried out at a distance between the articulation points, this distance at Fig. 4 is significantly larger than at Fig. 1 , The vertical distance between the individual plates need not be the same, but can vary from plate to plate. The plates can also be set at different angles.
  • the multistage classifier 1 according to the invention can be particularly preferably integrated into a one-stage or multistage grinding plant, as exemplified in US Pat Fig. 6 is shown.
  • a cement grinding plant is shown.
  • the multi-level classifier 1 can be seen, which is composed of static classifier 2 and dynamic classifier 3.
  • a first crushing device 22 in the embodiment is shown as a roller press, and thus a good bed roller mill 22.
  • a second crushing device 23 in the embodiment is shown as a ball mill 23.
  • the finest fraction is withdrawn from the sighting device, namely from the dynamic classifier 3 together with the gases through the fine material outlet 18 into the following separation cyclones 34. Here it is separated as a finished product of the gases, which are withdrawn with the fan 35 and partially fed back into the classifier 1 and partially or completely to a dedusting.
  • the illustrated two-stage grinding plant can be modified in an alternative embodiment.
  • the roller press 22 are placed in contrast to the arrangement shown above the classifying device 1.
  • the fresh material to be ground is then first fed into the roll press, from which the pre-milled material is guided to the sifter device according to the invention. There, the material is again classified in the manner described in three fractions. This embodiment is not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Claims (19)

  1. Dispositif (1) de criblage de produit granuleux en au moins trois fractions, comportant
    au moins un crible statique constituant un premier niveau de criblage (2) et
    au moins un crible dynamique (3) constituant un second niveau de criblage,
    le crible statique (2) étant réalisé sous forme d'un crible à courant transversal et présentant, dans un boîtier de crible (4) comportant au moins une première entrée de matériau (5), au moins une entrée de cage de de criblage (6) et au moins une sortie de produit grossier (7), plusieurs inserts de rebond et/ou de conduction disposés en escalier les uns derrière les autres (8, 9),
    le crible dynamique (3) étant réalisé sous forme d'un crible à panier à tige à panier à tige tournant (12) et présentant un boîtier de crible (11) cylindrique au moins par endroits et comportant au moins une sortie de produit moyen (17) et une sortie de produit fin (18),
    le crible statique (2) étant raccordé par son boîtier de crible (4) directement au côté du boîtier de crible (11) du crible dynamique (3) et transitant dans celui-ci en orientation tangentielle ou spiralée et
    le panier à tige (12) du crible dynamique (3) tournant autour d'un axe vertical (14),
    le boîtier de crible (11) du crible dynamique (3) présentant une section supérieure de boîtier (11a) dans laquelle le panier à tige tournant est disposé et une section inférieure de boîtier (11 b), le crible statique (2) étant raccordé à son boîtier (4) au niveau de la section inférieure du boîtier (11 b) et transitant dans celle-ci.
  2. Dispositif selon la revendication 1, caractérisé en ce que les inserts de rebond et/ou de conduction sont constitués par des plaques de rebond et/ou de conduction inclinées les unes par rapport aux autres (8, 9).
  3. Dispositif selon la revendication 2, caractérisé en ce que l'inclinaison des plaques de rebond et/ou de conduction (8, 9) est réglable.
  4. Dispositif selon la revendication 1, caractérisé en ce que les plaques de rebond et/ou de conduction (8, 9) sont constituées par des inserts en forme de toits.
  5. Dispositif selon la revendication 4, caractérisé en ce que les inserts en forme de toits sont déplaçables dans le sens horizontal.
  6. Dispositif selon une des revendications 1 à 5, caractérisé en ce que le boîtier en forme de colonne (4) ou du moins une paroi en colonne (21) de ce boîtier du crible statique (2) est orienté obliquement par rapport à la verticale, par exemple suivant un angle prédéfini (a) de 10° à 70° par rapport à la verticale.
  7. Dispositif selon une des revendications 1 à 6, caractérisé en ce que la zone de criblage formée entre les inserts de rebond et/ou de conduction disposés en escalier les uns derrière les autres (8, 9) du crible statique (2) est orientée suivant un angle prédéfini (ß) de 10° à 70° par rapport à la verticale.
  8. Dispositif selon une des revendications 1 à 7, caractérisé en ce que l'entrée de gaz de ciblage (6) est constituée par au moins un orifice d'entrée pratiqué obliquement au-dessus des inserts (8, 9).
  9. Dispositif selon une des revendications 1 à 8, caractérisé en ce que l'entrée de gaz de ciblage (6) est composée en alternative ou en complément de plusieurs orifices pratiqués dans la paroi en colonne (21) du boîtier de crible (4) du crible statique (2) et éventuellement réglables ou par une zone sans paroi en colonne de ce boîtier.
  10. Dispositif selon une des revendications 1 à 9, caractérisé en ce que, dans le boîtier de crible (3) du crible statique (2), dans le sens d'écoulement en amont des inserts de rebond et/ou de conduction (8, 9), sont disposés des dispositifs de répartition d'air, par exemple des tôles perforées.
  11. Dispositif selon une des revendications 1 à 10, caractérisé en ce que le raccordement tangentiel ou en spirale est orienté dans le sens de rotation ou à l'inverse du sens de rotation du panier à tige (12).
  12. Dispositif selon une des revendications 1 à 11, caractérisé en ce que le boîtier de crible (11) du crible dynamique (3) présente au moins une seconde entrée de matériau (19).
  13. Dispositif selon une des revendications 1 à 12, caractérisé en ce que deux ou plusieurs cribles statiques (2) sont raccordés respectivement à un boîtier de crible (4) sur le côté du crible dynamique (3).
  14. Dispositif selon la revendication 13, caractérisé en ce que les plusieurs cribles statiques (2) sont disposés à équidistance sur la circonférence avec un décalage de 360°/n, n correspondant au nombre de cribles statiques.
  15. Dispositif selon une des revendications 1 à 14, caractérisé en ce que, dans le boîtier de crible (11) du crible dynamique (3), par exemple dans sa section inférieure de boîtier (11b), sont disposés des inserts de rebond supplémentaires qui sont de préférence disposés sur la face interne de la paroi du boîtier.
  16. Dispositif selon une des revendications 1 à 15, caractérisé en ce que le boîtier de crible (11) du crible dynamique (3) est pourvu d'une ou plusieurs conduites d'alimentation en air supplémentaires faisant office de dérivations, par exemple dans sa section supérieure de boîtier (11a).
  17. Installation de mouture, en particulier installation de mouture à circuit ou installation de mouture à plusieurs niveaux, pour le broyage de produits granuleux, comportant au moins un premier dispositif de broyage (22) et au moins un dispositif de criblage (1) selon une des revendications 1 à 16,
    dans lequel le matériau sortant du premier dispositif de broyage (22) entre dans le dispositif de criblage par la première entrée de matériau (5),
    le produit moyen sortant de la sortie de produits grossiers (3) est acheminé vers le premier dispositif de broyage (22) ou vers un second dispositif de broyage supplémentaire (23).
  18. Installation selon la revendication 17, comportant un second dispositif de broyage (23), dans lequel le produit moyen sortant du crible dynamique (3) est acheminé totalement ou partiellement vers le second dispositif de broyage (23) et
    le matériau sortant du second dispositif de broyage (23) est acheminé par la seconde entrée de matériau (19) vers le crible dynamique (3) ou un second dispositif de criblage séparé.
  19. Installation selon la revendication 17 ou 18, caractérisé en ce que le premier dispositif de broyage (22) est réalisé sous forme d'une presse à rouleaux et/ou le second dispositif de broyage (23) sous forme d'un broyeur à boulets.
EP12790561.0A 2011-11-28 2012-11-23 Dispositif pour separer des produits granuleux Active EP2785472B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011055762.8A DE102011055762B4 (de) 2011-11-28 2011-11-28 Vorrichtung zum Sichten von körnigem Gut und Mahlanlage
PCT/EP2012/073513 WO2013079416A1 (fr) 2011-11-28 2012-11-23 Dispositif de séparation de produits granuleux

Publications (2)

Publication Number Publication Date
EP2785472A1 EP2785472A1 (fr) 2014-10-08
EP2785472B1 true EP2785472B1 (fr) 2016-07-20

Family

ID=47221422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12790561.0A Active EP2785472B1 (fr) 2011-11-28 2012-11-23 Dispositif pour separer des produits granuleux

Country Status (8)

Country Link
US (1) US9636712B2 (fr)
EP (1) EP2785472B1 (fr)
CN (1) CN104039466B (fr)
DE (1) DE102011055762B4 (fr)
DK (1) DK2785472T3 (fr)
ES (1) ES2592632T3 (fr)
IN (1) IN2014KN01125A (fr)
WO (1) WO2013079416A1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102013020888A1 (de) * 2013-12-11 2015-06-11 Khd Humboldt Wedag Gmbh Kreislaufmahlanlage mit Vorsichter und Kugelmühle
CN105939792B (zh) 2014-01-31 2019-05-31 蒂森克虏伯工业解决方案股份公司 具有旁路的分离器
DE102014001384B4 (de) * 2014-02-01 2018-03-29 Khd Humboldt Wedag Gmbh Ringförmiger Kaskadensichter mit nachgeschaltetem Stabkorbsichter
DE102014108334A1 (de) * 2014-06-13 2015-12-17 Thyssenkrupp Ag Mahlanlage und Verfahren zur Zerkleinerung von Mahlgut
CN105363677B (zh) * 2014-08-15 2020-05-05 中联重科股份有限公司 矿物分选装置、矿物加工生产系统以及矿物分选方法
DE102014015549A1 (de) * 2014-10-22 2016-04-28 Thyssenkrupp Ag Mahlanlage zum Zerkleinern von Mahlgut sowie Verfahren zum Zerkleinern von Mahlgut
DE102014015550A1 (de) * 2014-10-22 2016-04-28 Thyssenkrupp Ag Sichteinrichtung zum Sichten eines körnigen Materialstroms
WO2016126961A1 (fr) * 2015-02-06 2016-08-11 Edw. C. Levy Co. Système de classification à air centrifuge et son procédé d'utilisation
DE102015104340A1 (de) * 2015-03-23 2016-09-29 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Formsandkühler
DE102015013892B3 (de) * 2015-10-28 2017-02-02 Khd Humboldt Wedag Gmbh Pneumatisch verbundene Kaskadensichter und Kreislaufmahlanlage mit pneumatisch verbundenen Kaskadensichtern
US10500592B2 (en) * 2016-03-24 2019-12-10 Schenck Process Llc Roller mill system with rejects removal system
DE102016121925A1 (de) * 2016-11-15 2018-05-17 Neuman & Esser Gmbh Mahl- Und Sichtsysteme Sichter, Mühle und Verfahren zum Sichten eines Gas-Feststoff-Gemischs
CN107350162A (zh) * 2017-08-25 2017-11-17 长沙深湘通用机器有限公司 多产品多级分级机
CN107309174A (zh) * 2017-08-25 2017-11-03 长沙深湘通用机器有限公司 分选装置
CN107282447A (zh) * 2017-08-25 2017-10-24 长沙深湘通用机器有限公司 组合分选机
CN107309170A (zh) * 2017-08-25 2017-11-03 长沙深湘通用机器有限公司 多粒级分级机
CN108704571B (zh) * 2018-04-28 2020-10-02 海宁文硕科技咨询有限公司 一种钒氮合金生产用的粉末原料入料机构
DE102018112406A1 (de) * 2018-05-24 2019-11-28 Netzsch Trockenmahltechnik Gmbh Verfahren und Anlage zur Herstellung eines Ausgangsmaterials für die Herstellung von Seltenerd-Magneten
CN109046631B (zh) * 2018-07-23 2020-07-28 安徽省万佛山农业综合开发有限公司 一种茶叶加工机
DE102018129538B4 (de) * 2018-11-23 2020-10-01 Khd Humboldt Wedag Gmbh Pneumatisch miteinander verbundener Mehrfachsichter
CN113083459B (zh) * 2021-04-30 2023-05-09 佛山市硕宸机械设备有限公司 一种钢水保温覆盖剂生产用研磨搅拌装置
CN113477525B (zh) * 2021-07-20 2022-06-21 天津水泥工业设计研究院有限公司 一种带有挡料锥的半成品粗细分离选粉机设计方法
CN114700162A (zh) * 2022-03-24 2022-07-05 张成群 一种用于粉体材料加工粉磨系统的一体化分选分级机
CN114871100B (zh) * 2022-05-10 2024-01-26 合肥工业大学 一种组合式空气动力三级分选设备及其调节方法

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002600B (de) 1955-05-18 1957-02-14 Westfalia Dinnendahl Groeppel Stromwindsichter
EP0193033A2 (fr) 1985-02-23 1986-09-03 Klöckner-Humboldt-Deutz Aktiengesellschaft Dispositif de broyage et de mouture de matière à moudre fragile comme par exemple le clinker, le minerai, le charbon et analogues
EP0204081A2 (fr) 1985-06-04 1986-12-10 Krupp Polysius Ag Procédé et installation de broyage à deux étages
DD253771A1 (de) 1986-11-21 1988-02-03 Dessau Zementanlagenbau Veb Windsichter
DE4112018A1 (de) 1990-06-08 1991-12-12 Kloeckner Humboldt Deutz Ag Sichter
JPH0574681U (ja) 1992-03-11 1993-10-12 大阪セメント株式会社 多段分級機
JPH06106135A (ja) 1992-09-28 1994-04-19 Ishikawajima Harima Heavy Ind Co Ltd 多段風力式分級機
EP0650763A1 (fr) 1993-10-30 1995-05-03 Klöckner-Humboldt-Deutz Aktiengesellschaft Installation de broyage en circuit
DE19751627A1 (de) 1997-11-21 1999-05-27 Werner Dr Ing Neu Verfahren und Vorrichtung zur Trennung der Komponenten eines heterogenen Gemisches mit Hilfe von Luftströmungen
DE19944421A1 (de) 1999-09-16 2001-03-22 Kloeckner Humboldt Wedag Sichtereinrichtung zur Sichtung von körnigem Gut
DE10142162A1 (de) 2001-08-29 2003-03-20 Kloeckner Humboldt Wedag Sichter zum Sichten von körnigem Gut
WO2003097241A1 (fr) 2002-05-16 2003-11-27 Khd Humboldt Wedag Ag Installation de broyage en circuit avec broyeur et separateur
DE102004027128A1 (de) 2004-06-03 2005-12-22 Polysius Ag Vorrichtung zum Sichten von körnigem Gut in wenigstens drei Kornfraktionen
DE102005045591A1 (de) 2005-09-23 2007-03-29 Polysius Ag Vorrichtung zum Sichten von Aufgabegut
DE102006039775A1 (de) 2006-08-24 2008-02-28 Khd Humboldt Wedag Gmbh Sichteinrichtung zum Sichten körnigen Gutes und Kreislaufmahlanlage mit Einschaltung einer solchen Sichteinrichtung
DE4223762B4 (de) 1992-07-18 2009-07-23 Khd Humboldt Wedag Gmbh Sichtereinrichtung zum Sichten von körnigem Gut und Umlaufmahlanlage mit Einschaltung einer solchen Sichtereinrichtung
DE102008019830A1 (de) 2008-04-11 2009-12-17 Khd Humboldt Wedag Gmbh Umwälzmahlanlage mit außen liegenden Steigrohren
US7854406B2 (en) 2008-01-10 2010-12-21 Koppern Equipment, Inc. Air separator for comminuted materials

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1499721A (en) * 1919-07-12 1924-07-01 Fraser George Holt Separator
US2956680A (en) * 1956-01-27 1960-10-18 Babcock & Wilcox Co Method of and apparatus for separating ash and cleaning shot
JPH0574681A (ja) 1991-09-13 1993-03-26 Nec Corp 縮小投影露光装置
US6405405B1 (en) * 2000-04-20 2002-06-18 Carter Day International, Inc. Product cleaner with air flow control
US6889843B1 (en) * 2000-10-03 2005-05-10 Polysius Corp. Apparatus and methods for controlling the separation of particulate material
DE10119977A1 (de) * 2001-04-24 2002-10-31 Kloeckner Humboldt Wedag Verfahren und Anlage zur Herstellung von Zementklinker
US6902126B2 (en) * 2002-11-04 2005-06-07 Alstom Technology Ltd Hybrid turbine classifier
DE102007021545B4 (de) * 2007-05-08 2011-07-28 Polysius AG, 59269 Vorrichtung und Verfahren zum Sichten von Aufgabegut und Mahlanlage
DE102007045373A1 (de) * 2007-09-22 2009-04-02 Cemag Anlagenbau Gmbh Verfahren und Vorrichtung zur Vor- und Fertigmahlung von mineralischen und nichtmineralischen Materialien
CN201154322Y (zh) * 2008-02-18 2008-11-26 国投新疆罗布泊钾盐有限责任公司 一种抛料式破碎振动筛分机
JP5854835B2 (ja) * 2008-07-02 2016-02-09 ビューラー・アクチエンゲゼルシャフトＢｕｅｈｌｅｒ ＡＧ 細穀粉及び／又は粗穀粉を製造する装置及び方法
CN201807527U (zh) * 2010-07-04 2011-04-27 李三济 螺旋转动筛

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002600B (de) 1955-05-18 1957-02-14 Westfalia Dinnendahl Groeppel Stromwindsichter
EP0193033A2 (fr) 1985-02-23 1986-09-03 Klöckner-Humboldt-Deutz Aktiengesellschaft Dispositif de broyage et de mouture de matière à moudre fragile comme par exemple le clinker, le minerai, le charbon et analogues
EP0204081A2 (fr) 1985-06-04 1986-12-10 Krupp Polysius Ag Procédé et installation de broyage à deux étages
DD253771A1 (de) 1986-11-21 1988-02-03 Dessau Zementanlagenbau Veb Windsichter
DE4112018A1 (de) 1990-06-08 1991-12-12 Kloeckner Humboldt Deutz Ag Sichter
JPH0574681U (ja) 1992-03-11 1993-10-12 大阪セメント株式会社 多段分級機
DE4223762B4 (de) 1992-07-18 2009-07-23 Khd Humboldt Wedag Gmbh Sichtereinrichtung zum Sichten von körnigem Gut und Umlaufmahlanlage mit Einschaltung einer solchen Sichtereinrichtung
JPH06106135A (ja) 1992-09-28 1994-04-19 Ishikawajima Harima Heavy Ind Co Ltd 多段風力式分級機
DE4337215A1 (de) 1993-10-30 1995-05-04 Kloeckner Humboldt Deutz Ag Umlaufmahlanlage
EP0650763A1 (fr) 1993-10-30 1995-05-03 Klöckner-Humboldt-Deutz Aktiengesellschaft Installation de broyage en circuit
DE19751627A1 (de) 1997-11-21 1999-05-27 Werner Dr Ing Neu Verfahren und Vorrichtung zur Trennung der Komponenten eines heterogenen Gemisches mit Hilfe von Luftströmungen
DE19944421A1 (de) 1999-09-16 2001-03-22 Kloeckner Humboldt Wedag Sichtereinrichtung zur Sichtung von körnigem Gut
DE10142162A1 (de) 2001-08-29 2003-03-20 Kloeckner Humboldt Wedag Sichter zum Sichten von körnigem Gut
WO2003097241A1 (fr) 2002-05-16 2003-11-27 Khd Humboldt Wedag Ag Installation de broyage en circuit avec broyeur et separateur
DE102004027128A1 (de) 2004-06-03 2005-12-22 Polysius Ag Vorrichtung zum Sichten von körnigem Gut in wenigstens drei Kornfraktionen
DE102005045591A1 (de) 2005-09-23 2007-03-29 Polysius Ag Vorrichtung zum Sichten von Aufgabegut
DE102006039775A1 (de) 2006-08-24 2008-02-28 Khd Humboldt Wedag Gmbh Sichteinrichtung zum Sichten körnigen Gutes und Kreislaufmahlanlage mit Einschaltung einer solchen Sichteinrichtung
US7854406B2 (en) 2008-01-10 2010-12-21 Koppern Equipment, Inc. Air separator for comminuted materials
DE102008019830A1 (de) 2008-04-11 2009-12-17 Khd Humboldt Wedag Gmbh Umwälzmahlanlage mit außen liegenden Steigrohren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MATTHIAS STIESS: "Mechanische Verfah- renstechnik- Partikel- technologie 1", 2009, ISBN: 978-3-540-32551-2, article "6.4 Stromungsklassieren Windsichten", pages: 313 - 319

Also Published As

Publication number Publication date
US20140306044A1 (en) 2014-10-16
EP2785472A1 (fr) 2014-10-08
ES2592632T3 (es) 2016-11-30
CN104039466A (zh) 2014-09-10
WO2013079416A1 (fr) 2013-06-06
IN2014KN01125A (fr) 2015-10-16
US9636712B2 (en) 2017-05-02
DE102011055762B4 (de) 2014-08-28
DK2785472T3 (en) 2016-10-24
CN104039466B (zh) 2017-05-24
DE102011055762A1 (de) 2013-05-29

Similar Documents

Publication Publication Date Title
EP2785472B1 (fr) Dispositif pour separer des produits granuleux
DE3621221C2 (fr)
EP1919624B1 (fr) Broyeur-secheur et procede pour secher une matiere broyee
EP1506058B1 (fr) Installation de broyage en circuit avec broyeur et separateur
EP2106301B1 (fr) Dispositif de tamisage destiné à tamiser des produits granuleux et installation de broyage en circuit fermé à laquelle est raccordé un tel dispositif de tamisage
EP0460490B1 (fr) Séparateur pneumatique
EP1948360B1 (fr) Broyeur a rouleaux
EP3292912B1 (fr) Procédé de fonctionnement d'un multicyclone pour la séparation de grains fins et ultrafins ainsi que multicyclones
EP3079828A1 (fr) Système de broyage à circulation à pré-tamis et broyeur à galets
EP3895806A1 (fr) Dispositif et procédé de broyage de matières solides
DE19726523A1 (de) Kreislaufmahleinrichtung mit Hochdruck-Walzenpresse und Sichter
DE2235789A1 (de) Vertikalachsiger umluft-windsichter
EP3368222B1 (fr) Séparateur à cascades raccordé pneumatiquement et système de broyage à circulation doté de séparateurs à cascades raccordés pneumatiquement
EP0350616A2 (fr) Séparateur pneumatique pour matières granuleuses, éventuellement agglomérées
EP0801985B1 (fr) Presse à rouleaux à haute pression pour le broyage par pression de matériau granulé
DE19606672A1 (de) Sichter
DE8914652U1 (de) Vorrichtung zum kontinuierlichen Mahlen bei hoher Leistung
DE102014001384B4 (de) Ringförmiger Kaskadensichter mit nachgeschaltetem Stabkorbsichter
DE4005031C1 (en) Dynamic wind sifter for roller mill - has central, restricted riser for air material mixt. flow with downwards deflection in top region of sifter rotor
DE19948725A1 (de) Mahlanlage
EP3849714B1 (fr) Roue de triage à éléments de voile plats et procédé de tamisage avec une telle roue
WO2023131393A1 (fr) Ensemble classificateur pour un broyeur à rouleaux vertical
WO2005000473A1 (fr) Installation de broyage a cycle ferme comportant un broyeur et un classeur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140508

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20150709

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20160317

RIC1 Information provided on ipc code assigned before grant

Ipc: B07B 4/08 20060101ALI20160304BHEP

Ipc: B07B 7/083 20060101ALI20160304BHEP

Ipc: B02C 23/14 20060101ALI20160304BHEP

Ipc: B02C 23/12 20060101ALI20160304BHEP

Ipc: B02C 21/00 20060101ALI20160304BHEP

Ipc: B07B 4/04 20060101AFI20160304BHEP

Ipc: B07B 9/02 20060101ALI20160304BHEP

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 813603

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160815

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502012007734

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

Effective date: 20161021

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2592632

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20161130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161020

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161121

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161021

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

REG Reference to a national code

Ref country code: DE

Ref legal event code: R026

Ref document number: 502012007734

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

26 Opposition filed

Opponent name: KHD HUMBOLDT WEDAG GMBH

Effective date: 20170418

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20161020

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20161123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161130

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161130

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161130

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161123

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20121123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160720

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20191220

Year of fee payment: 8

Ref country code: BE

Payment date: 20191120

Year of fee payment: 8

Ref country code: IT

Payment date: 20191128

Year of fee payment: 8

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20201130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201123

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20220207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

RAP4 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: MASCHINENFABRIK KOEPPERN GMBH & CO. KG

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502012007734

Country of ref document: DE

Owner name: MASCHINENFABRIK KOEPPERN GMBH & CO. KG, DE

Free format text: FORMER OWNER: MASCHINENFABRIK KOEPPERN GMBH & CO. KG, 45529 HATTINGEN, DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20231120

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231120

Year of fee payment: 12

Ref country code: FI

Payment date: 20231121

Year of fee payment: 12

Ref country code: DK

Payment date: 20231124

Year of fee payment: 12

Ref country code: DE

Payment date: 20231023

Year of fee payment: 12

Ref country code: CZ

Payment date: 20231110

Year of fee payment: 12

Ref country code: AT

Payment date: 20231121

Year of fee payment: 12

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O