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EP2191901B1 - Broyeuse et son procédé de fonctionnement - Google Patents

Broyeuse et son procédé de fonctionnement Download PDF

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Publication number
EP2191901B1
EP2191901B1 EP09013727.4A EP09013727A EP2191901B1 EP 2191901 B1 EP2191901 B1 EP 2191901B1 EP 09013727 A EP09013727 A EP 09013727A EP 2191901 B1 EP2191901 B1 EP 2191901B1
Authority
EP
European Patent Office
Prior art keywords
grinding
process gas
inlet
cutting rotor
grinding stock
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
EP09013727.4A
Other languages
German (de)
English (en)
Other versions
EP2191901A2 (fr
EP2191901A3 (fr
Inventor
Thomas Becker
Roland Dr. Nied
Wolfgang Rohmann
Hermann Sickel
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.)
Nied Roland Dr-Ing
Netzsch Trockenmahltechnik GmbH
Original Assignee
Nied Roland Dr-Ing
Netzsch Trockenmahltechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nied Roland Dr-Ing, Netzsch Trockenmahltechnik GmbH filed Critical Nied Roland Dr-Ing
Priority to PL09013727T priority Critical patent/PL2191901T3/pl
Publication of EP2191901A2 publication Critical patent/EP2191901A2/fr
Publication of EP2191901A3 publication Critical patent/EP2191901A3/fr
Application granted granted Critical
Publication of EP2191901B1 publication Critical patent/EP2191901B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • 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
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material

Definitions

  • the present invention relates to a fine mill according to the preamble of claim 1 and method of operation therefor.
  • Fine mills e.g. Granulators
  • Fine mills e.g. Granulators
  • the DE 199 54 998 A1 discloses a cutting mill including a cutting rotor having a plurality of cutting blades distributed evenly around its circumference, a cutting stator having a plurality of stator blades surrounding the cutting rotor, a mill feed for grinding stock feed and a discharge screen.
  • this publication is concerned with the design of a rotary classifier further included and their arrangement together with the cutting rotor in a common housing.
  • the JP H08 257428 A discloses a pulverizer for pulverizing containers of photographic processing mixtures and the US Pat US Pat. No. 4,239,160 A is a device for shredding film of predetermined width and infinite length.
  • These known devices each contain one Cutting rotor having a plurality of uniformly distributed on its circumference cutting blades, a cutting rotor surrounding the cutting rotor with a plurality of Statormessern, an inlet for supplying material to be comminuted and lying in the direction of rotation of the cutting rotor to the inlet screen for output of sufficiently comminuted Good.
  • In each of these prior art devices there are designs in which all stator knives are arranged in the direction of rotation of the cutting rotor between the grinding material inlet and the discharge screen.
  • the aim of the present invention is to develop a pulverizer and a method of operation therefor in such a way that a better and more uniform grinding of grinding stock is achieved.
  • a generic pulverizer containing a cutting rotor with a plurality of in particular uniformly distributed on its circumference cutting blades, a cutting rotor surrounding the cutting rotor with a plurality of Statormessern, a Mahlguteinlass for Mahlgutzuschreib and a lying in the direction of rotation of the cutting rotor after the Mahlguteinlass outlet sieve, wherein it is further provided that all stator knives are arranged in the direction of rotation of the cutting rotor between the Mahlguteinlass and the discharge screen, further provided according to the invention that the Mahlguteinlass is a first Mahlguteinlass, and that in the direction of rotation of the cutting rotor after the first Mahlguteinlass and before the discharge screen at least one other Mahlguteinlass is arranged for Mahlgutzuschreib, and that each Mahlguteinlass is assigned its own process gas inlet to the process gas supply.
  • a housing is contained, in which the discharge screen is permanently installed.
  • a further preferred embodiment is to be seen in that in the direction of rotation of the cutting rotor after the first Mahlguteinlass and before the discharge screen a plurality of Mahlguteinlässen may be arranged for Mahlgutzuschreib.
  • the housing is designed to be cool before the second Mahlguteinlass lying in the direction of rotation of the cutting rotor after the first Mahlguteinlass, wherein also preferably for cooling the housing cooling means are provided which contain a hollow molded body before the second Mahlguteinlass, and wherein Furthermore, in particular the cooling means are designed so that the hollow shaped body is flowed through by a gas or a liquid.
  • each process gas inlet can be arranged in the direction of rotation of the cutting rotor in front of the associated Mahlguteinlass.
  • a further embodiment of this may provide that the housing is designed to be coolable in front of the second process gas inlet lying in the direction of rotation of the cutting rotor after the first process gas inlet, more preferably being provided for cooling the housing cooling means, a hollow molded body before the second process gas inlet, and in particular Furthermore, the cooling means are designed so that the hollow shaped body is traversed by a gas or a liquid.
  • At least one process gas inlet for the process gas supply between the optionally first Mahlguteinlass and the discharge screen is arranged.
  • the end of the Austragssiebes lying in the direction of rotation of the discharge be assigned a final wedge
  • the final wedge may be knife-like preference and / or in the direction of rotation of the cutting rotor on the discharge following a series process gas inlet to the process gas supply, the Final wedge and then possibly the first Mahlguteinlass can be arranged.
  • the fine mill may preferably be designed or used for comminution of fibrous material.
  • the invention further provides an operating method for achieving the above object in a fine mill described above in its basic, preferred and advantageous embodiments, wherein at least two process gas inlets are provided for process gas supply, and further wherein process gas through all existing process gas inlets to at least approximately equal proportions the fine mill is supplied.
  • a preferred further embodiment of the above method can be achieved in that a first process gas inlet assigned to the grinding material inlet and upstream in particular in the direction of rotation of the cutting rotor, and that all other process gas inlets between the Mahlguteinlass or the first process gas inlet and the discharge screen are arranged.
  • the invention also provides an operating method for a fine mill described above in its basic, preferred and advantageous embodiments, wherein regrind through all existing Mahlguteinlässe to at least approximately equal proportions is fed into the fine mill.
  • Yet another alternative of the invention for achieving the above object is an operating method for a fine mill described above in its basic, preferred and advantageous embodiments, wherein the material to be ground is completely fed, in particular, optionally through a Mahlguteinlass in the fine mill.
  • a first embodiment of a fine mill 1 for crushing fibrous material is shown in a schematic cross section.
  • the invention is not limited to a fine mill 1 for comminuting fibrous material, but also relates to fine mills for other applications.
  • the fine mill 1, comprising a housing 2, a cutting rotor 3 with a plurality of uniformly distributed on its circumference cutting blades 4, a cutting rotor 3 surrounding the cutting stator 5 with a plurality of Statormessern 6, a Mahlguteinlass 7 for Mahlgutzuschreib or product inlet according to the arrow A. and a downstream in the direction of rotation of the cutting rotor 3 according to the arrow B after the Mahlguteinlass 7 discharge screen 8, which is firmly installed in the housing 2. All stator knives 6 are in the direction of rotation of the Cutting rotor 3 according to the arrow B between the Mahlguteinlass 7 and 8 Austragssieb arranged.
  • Mahlguteinlass 7 represents a first Mahlguteinlass which is in the direction of rotation of the cutting rotor 3 according to the arrow B between the discharge screen 8 and the direction of rotation of the cutting rotor 3 according to the arrow B first stator blade 6.
  • Another Mahlguteinlass 7a for Mahlgutzuschreib or the product inlet according to an arrow A ' is arranged in this first embodiment between the fourth direction in the direction of rotation of the cutting rotor 3 according to the arrow B and the fifth stator blade 6.
  • the specific number and arrangement of the plurality of grinding inlets can be provided and / or used in an advantageous manner in coordination with the material to be ground and the grinding process and the grinding result.
  • regrind is fed into the fine mill 1 through all the existing or, in the present case, just the two regrind inlets 7 and 7a to at least approximately equal proportions. It can be arranged further Mahlguteinlässe in the direction of rotation of the cutting rotor 3 according to the arrow B after the first Mahlguteinlass 7 and 8 before the Austragssieb.
  • regrind is completely fed, in particular selectively, through a regrind inlet 7 or 7a into the fine mill 1, wherein both process variants can be realized by suitable control means in one and the same pulverizer 1.
  • suitable control means including the corresponding structural requirements and requirements are readily known to those skilled in the art, so that it need not be discussed further here.
  • the fine mill 1 according to the in Fig. 1 shown first embodiment further contains for each Mahlguteinlass 7, 7a a separate process gas inlet 9, 9a for process gas supply according to the arrow C or C '.
  • the relation between the Mahlguteinlässen 7, 7a on the one hand and the process gas inlets 9, 9a on the other hand is such that the Mahlguteinlass 7, the process gas inlet 9 is associated, and that the Mahlguteinlass 7a associated with the process gas inlet 9a.
  • the arrangement of the process gas inlets 9, 9a is such that each process gas inlet 9 is arranged in the direction of rotation of the cutting rotor 3 according to the arrow B in front of the associated Mahlguteinlass 7.
  • corresponding process gas inlets can be assigned to each grinding material inlet or only to some grinding material inlets. Furthermore, at least one process gas inlet for supplying process gas can be arranged between the grinding material inlet 7 and the discharge screen 8 without being assigned to a further grinding material inlet.
  • the fine mill 1 of the first embodiment according to the Fig. 1 a final wedge 10, which is assigned to the lying in the direction of rotation of the cutting rotor 3 according to the arrow B end of the Austragssiebes 8.
  • This final wedge 10 is formed like a knife.
  • the arrangement thus realized is such that in the direction of rotation of the cutting rotor 3 according to the arrow B on the discharge screen 8 in turn, the process gas inlet 9 for process gas supply according to the arrow C, the knife-like or knife-shaped final wedge 10 and then the first Mahlguteinlass 7 for Mahlgutzuschreib or are arranged to the product infeed according to the arrow A.
  • a fine mill 1 which distributed a cutting rotor 3 with a variety of particular evenly on its circumference Cutting knives 4, a cutter rotor 5 surrounding the cutting rotor 3 with a plurality of Statormessern 6, a Mahlguteinlass 7 for Mahlgutzuschreib and a lying in the direction of rotation of the cutting rotor 3 according to the arrow B after the Mahlguteinlass 7 discharge screen 8, wherein according to the present invention, all the stator knives 6 arranged in the direction of rotation of the cutting rotor 3 between the Mahlguteinlass 7 and the discharge screen 8, and wherein at least two process gas inlets 9 are provided for process gas supply, the operating method may be such that process gas through all existing process gas inlets 9, 9a at least approximately equal proportions in the fine mill 1 is supplied.
  • this method also applies to a refinement of the fine mill 1, wherein the first process gas inlet 9 is assigned to the first ground material inlet 7 and upstream in particular in the direction of rotation of the cutting rotor 3 according to the arrow B, and wherein all other process gas inlets 9a between the first ground material inlet 7 or the first process gas inlet 9 and the discharge screen 8 are arranged.
  • FIG. 2 A second embodiment of a pulverizer 1 is shown in FIG. 2 in a schematic and with respect to the view of the first embodiment in the Fig. 1 shown partial cross-sectional view.
  • the Fig. 3 shows in a likewise schematic cross-sectional view in an enlarged view a detail of the second embodiment according to the Fig. 2 ,
  • the coolant lines 15 are designed and connected so that coolant, which may be a gas or a liquid, flows through the hollow shaped body 14.
  • the hollow molded body 14 may be integrally formed in the housing 2 or directly in the cutting stator 5 or may constitute a separate component; in both cases, the cavity contained in the hollow molded body 14 for receiving the coolant and to realize its cooling effect
  • the cavity contained in the hollow molded body 14 for receiving the coolant and to realize its cooling effect
  • the invention is illustrated by way of example only and not by way of example with reference to the exemplary embodiments in the description and the drawing, but encompasses all variations, modifications, substitutions and combinations that the person skilled in the art can refer to the present documents within the scope of the claims.

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

Claims (14)

  1. Broyeur (1), qui comprend un rotor de coupe (3) avec une pluralité de lames (4) répartis en particulier de manière régulière sur sa périphérie, un stator de coupe (5) entourant le rotor de coupe (3) et doté d'une pluralité de lames de stator (6), une entrée de matière broyée (7) pour alimenter la matière broyée et un tamis de distribution (8) situé dans la direction de rotation du rotor de coupe (3) en aval de l'entrée de matière broyée (7),
    dans lequel tous les lames de stator (6) sont disposés dans la direction de rotation du rotor de coupe (3) entre l'entrée de matière broyée (7) et le tamis de distribution (8),
    caractérisé
    en ce que l'entrée de matière broyée (7) est une première entrée de matière broyée (7), et en ce que, dans la direction de rotation du rotor de coupe (3), en aval de la première entrée de matière broyée (7) et en amont du tamis de distribution (8), au moins une autre entrée de matière broyée (7a) est disposée pour alimenter la matière broyée, et
    en ce qu'une entrée respective de gaz de transformation (9, 9a) est associée à chaque entrée de matière broyée (7, 7a) pour alimenter le gaz de transformation.
  2. Broyeur (1) selon la revendication 1, caractérisé
    en ce qu'un boîtier (2) est compris, dans lequel le tamis de distribution (8) est intégré de manière fixe.
  3. Broyeur (1) selon la revendication 1 ou 2, caractérisé
    en ce que, dans la direction de rotation du rotor de coupe (3) en aval de la première entrée de matière broyée (7) et en amont du tamis de distribution (8), une pluralité d'entrées de matière broyée (7a) est disposée pour alimenter la matière broyée.
  4. Broyeur (1) selon une des revendications précédentes, caractérisé
    en ce que le boîtier (2) est réalisé refroidissable en amont de la seconde entrée de matière broyée (7a) située dans la direction de rotation du rotor de coupe (3) en aval de la première entrée de matière broyée (7).
  5. Broyeur (1) selon la revendication 4, caractérisé
    en ce que des moyens de refroidissement (13) comprennent, pour refroidir le boîtier (2), des corps de forme creuse (14, 14a) en amont de la seconde entrée de matière broyée (7a) .
  6. Broyeur (1) selon la revendication 5, caractérisé
    en ce que les moyens de refroidissement (13) sont conçus de sorte que les corps de forme creuse (14, 14a) sont traversés par un gaz ou un liquide.
  7. Broyeur (1) selon la revendication 4, caractérisé
    en ce qu'au moins une entrée de gaz de transformation (9a) est disposée le cas échéant entre la première entrée de matière broyée (7) et le tamis de distribution (8) pour alimenter le gaz de transformation.
  8. Broyeur (1) selon la revendication 1, caractérisé
    en ce qu'une clavette de fermeture (10) est associée à l'extrémité du tamis de distribution (8) située dans la direction de rotation du rotor de coupe (3).
  9. Broyeur (1) selon la revendication 8, caractérisé
    en ce que la clavette de fermeture (10) est réalisée en forme de lame.
  10. Broyeur (1) selon la revendication 8 ou 9,
    caractérisé
    en ce que, dans la direction de rotation du rotor de coupe (3), sur le tamis de distribution (8) sont disposés, dans cet ordre, une entrée de gaz de transformation (9) pour alimenter le gaz de transformation, la clavette de fermeture (10) puis le cas échéant la première entrée de matière broyée (7).
  11. Procédé de fonctionnement pour un broyeur (1) selon une des revendications 1 à 10, dans lequel au moins deux entrées de gaz de transformation (9, 9a) sont prévues pour alimenter le gaz de transformation,
    caractérisé
    en ce que le gaz de transformation est alimenté dans le broyeur (1) à travers toutes les entrées de gaz de transformation présentes (9, 9a) en portions au moins approximativement égales.
  12. Procédé de fonctionnement pour un broyeur (1) selon la revendication 11, caractérisé
    en ce qu'une première entrée de gaz de transformation (9) est associée à l'entrée de matière broyée (7) et est en particulier disposée en amont dans la direction de rotation du rotor de coupe (3), et
    en ce que toutes les autres entrées de gaz de transformation (9a) sont disposées entre l'entrée de matière broyée (7) ou la première entrée de gaz de transformation (9) et le tamis de distribution (8).
  13. Procédé de fonctionnement pour un broyeur (1) selon une des revendications 1 à 10,
    caractérisé
    en ce que la matière broyée est alimentée dans le broyeur (1) à travers toutes les entrées de matière broyée présentes (7, 7a) en parts au moins approximativement égales.
  14. Procédé de fonctionnement pour un broyeur (1) selon une des revendications 1 à 10,
    caractérisé
    en ce que la matière broyée est alimentée dans le broyeur (1) complètement en particulier au choix à travers une entrée de matière broyée (7 ou 7a).
EP09013727.4A 2008-11-26 2009-10-31 Broyeuse et son procédé de fonctionnement Active EP2191901B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09013727T PL2191901T3 (pl) 2008-11-26 2009-10-31 Młynek drobnomielący i sposób jego stosowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008059114 2008-11-26
DE102009012743A DE102009012743A1 (de) 2008-11-26 2009-03-12 Feinmühle und Betriebsverfahren dafür

Publications (3)

Publication Number Publication Date
EP2191901A2 EP2191901A2 (fr) 2010-06-02
EP2191901A3 EP2191901A3 (fr) 2015-11-04
EP2191901B1 true EP2191901B1 (fr) 2018-12-05

Family

ID=42114735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09013727.4A Active EP2191901B1 (fr) 2008-11-26 2009-10-31 Broyeuse et son procédé de fonctionnement

Country Status (8)

Country Link
US (2) US8800901B2 (fr)
EP (1) EP2191901B1 (fr)
JP (1) JP5425598B2 (fr)
CN (1) CN101733181B (fr)
BR (1) BRPI0904482B1 (fr)
DE (1) DE102009012743A1 (fr)
ES (1) ES2713248T3 (fr)
PL (1) PL2191901T3 (fr)

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WO2010009174A1 (fr) * 2008-07-14 2010-01-21 36 Degrees South, Inc. Procédé et appareil de séchage et de mise en poudre de matériau
JP5860290B2 (ja) * 2012-01-12 2016-02-16 株式会社ブリヂストン 不純物含有量が低減されたゴム材料の製造方法および製造装置
CN103723456A (zh) * 2013-12-13 2014-04-16 广西奥士达环境工程有限公司 一种卸料器的叶轮
EP3154732B1 (fr) * 2014-06-16 2025-03-19 Commonwealth Scientific and Industrial Research Organisation Procédé de production d'un produit en poudre
CN105310094A (zh) * 2015-11-30 2016-02-10 无锡市双氏机械有限公司 新型切割式饲料混合加工装置
CN105771775A (zh) * 2015-11-30 2016-07-20 无锡市双氏机械有限公司 气泡型混滚式筛选型饲料混料机
CN105326077A (zh) * 2015-11-30 2016-02-17 无锡市双氏机械有限公司 高效进料保温型饲料混合加工装置
CN105341968A (zh) * 2015-11-30 2016-02-24 无锡市双氏机械有限公司 保温式流转切割饲料加工装置
CN105326082A (zh) * 2015-11-30 2016-02-17 无锡市双氏机械有限公司 高效进料式切割混合型饲料加工机
CN105326081A (zh) * 2015-11-30 2016-02-17 无锡市双氏机械有限公司 多功能饲料混合加工装置
CN105341976A (zh) * 2015-11-30 2016-02-24 无锡市双氏机械有限公司 气泡型混滚式饲料加工机
CN105286053A (zh) * 2015-11-30 2016-02-03 无锡市双氏机械有限公司 流转切割混合式饲料加工装置
CN105361221A (zh) * 2015-11-30 2016-03-02 无锡市双氏机械有限公司 流转切割式出料搅拌型饲料混合加工装置
CN105964359A (zh) * 2016-06-16 2016-09-28 成都迅德科技有限公司 一种粉碎机
CN107371656A (zh) * 2017-09-21 2017-11-24 苏州仁益生物科技有限公司 一种农业用秸秆无尘粉碎机械
CN107899696A (zh) * 2017-11-02 2018-04-13 中国矿业大学 一种用于废旧电缆破碎的铜米机粉碎装置
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CN110813438A (zh) * 2019-11-16 2020-02-21 江苏齐轩环保科技有限公司 一种涡流式粉碎机
CN111250196A (zh) * 2020-01-16 2020-06-09 胡培花 一种用于废旧家庭通讯设备摧毁装置
DK3909682T3 (da) * 2020-05-14 2022-07-04 Pfeiffer Se Gebr Fremgangsmåde og valsemølle til termomekanisk aktivering af en lerblanding
CN113399019B (zh) * 2021-05-10 2022-12-06 龚雯静 一种中医脾胃科药物粉碎装置
CN114588988B (zh) * 2022-03-15 2023-06-02 安徽龙钰徽派古建工艺制品有限公司 一种利用建筑废料制备仿古建筑砖瓦加工设备

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EP2191901A2 (fr) 2010-06-02
CN101733181A (zh) 2010-06-16
US8800901B2 (en) 2014-08-12
US20120211576A1 (en) 2012-08-23
JP2010125452A (ja) 2010-06-10
PL2191901T3 (pl) 2019-06-28
BRPI0904482A2 (pt) 2010-11-03
DE102009012743A1 (de) 2010-05-27
JP5425598B2 (ja) 2014-02-26
EP2191901A3 (fr) 2015-11-04
ES2713248T3 (es) 2019-05-20
BRPI0904482B1 (pt) 2019-10-01
CN101733181B (zh) 2015-07-15
US20100127105A1 (en) 2010-05-27

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