EP2907577B1 - Dispositif pour installations de biogaz destiné à broyer et à broyer finement des mélanges de matières solides-liquides - Google Patents

Dispositif pour installations de biogaz destiné à broyer et à broyer finement des mélanges de matières solides-liquides Download PDF

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Publication number
EP2907577B1
EP2907577B1 EP15154986.2A EP15154986A EP2907577B1 EP 2907577 B1 EP2907577 B1 EP 2907577B1 EP 15154986 A EP15154986 A EP 15154986A EP 2907577 B1 EP2907577 B1 EP 2907577B1
Authority
EP
European Patent Office
Prior art keywords
drum
wall
balls
liquid
milling
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.)
Not-in-force
Application number
EP15154986.2A
Other languages
German (de)
English (en)
Other versions
EP2907577A1 (fr
Inventor
Maximilian Geisberger
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.)
Geisberger Gesellschaft fur Energieoptimierung mbH
Original Assignee
Geisberger Gesellschaft fur Energieoptimierung mbH
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 Geisberger Gesellschaft fur Energieoptimierung mbH filed Critical Geisberger Gesellschaft fur Energieoptimierung mbH
Publication of EP2907577A1 publication Critical patent/EP2907577A1/fr
Application granted granted Critical
Publication of EP2907577B1 publication Critical patent/EP2907577B1/fr
Not-in-force legal-status Critical Current
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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
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B02C17/1835—Discharging devices combined with sorting or separating of material
    • B02C17/1855—Discharging devices combined with sorting or separating of material with separator defining termination of crushing zone, e.g. screen denying egress of oversize material

Definitions

  • the invention relates to a device for use in biogas plants for crushing and grinding liquid-solid mixtures according to the preamble of claim 1.
  • ball mills In various economic sectors, eg B. in powder production, ball mills are used, which are charged in batches.
  • the ball mill has a drum with a flap that must be opened to fill the raw material and to be able to remove the ground product after crushing again.
  • a ball mill with the structural features of the preamble of claim 1 is in DE 627 626 C described and illustrated and used there for the production of fine metal powder.
  • a similar ball mill is off EP 1 880 762 A1 known and used to produce ceramic mixtures.
  • the drum consists of a cylinder, on whose insides the balls roll off.
  • Further ball mills are for example off DE 233 164 known in several versions.
  • the crushing is done by a vertically movable rammer, which comminutes the material within a conical container.
  • the grinding bodies designed as balls are located in a vertically arranged cylinder with a sieve bottom, wherein the cylinder is set in vibration.
  • the cylindrical drum is arranged horizontally and is moved about its horizontal axis via a flywheel in reciprocating shaking movements. The regrind is placed on a front side via a funnel filled and leaves the drum through an axial opening on the opposite end.
  • the invention has for its object to provide a device for crushing and grinding of liquid-solid mixtures available, in which the material to be ground, such as liquid fermentation substrates with a high fiber content continuously, z. B. by means of a pump, crushed during the milling process in a closed system and is passed through and in which the forces exerted by the balls on the drum shocks are damped.
  • the balls ensure that the fiber content of the fermentation substrate and moreover contained solids such as stones, glass or plastics are reliably crushed, so that no damage is caused in downstream pumps.
  • the drum does not need to be stopped during the process and filled or emptied in a separate operation. This also excludes an odor and gas problem as in an open system, for example with hopper feed.
  • the residence times can be reduced in the downstream fermentation tanks and the biogas yield can be significantly increased. This also significantly reduces floating layers in fermentation storage and significantly reduces the power consumption for necessary stirring energies.
  • the two rotary feedthroughs on the front sides of the drum allow a continuous, automatic operation, since a loading flap for the drum is eliminated.
  • the feed with the liquid-solid mixture during the ongoing rotation of the drum done a pump.
  • each vertical wall 14 has at the top of a cylindrical roller bearing 16 for rotatably supporting a pipe socket 18 which is fixedly connected to the bottom 20 and the cover 22 of a cylindrical drum 24.
  • the two pipe sockets 18 at the two End faces of the drum 24 serve as rotary feedthroughs 26, which open into the interior of the drum 24 and via which the material to be comminuted on the right in the figures end face of the drum 24 is supplied and discharged continuously on the opposite end side again.
  • a screen plate 28th On the left side in the figures of the drum 24 is located between the interior of the drum 24 and the rotary feedthrough 26 for the delivery of the shredded material, a screen plate 28th
  • the interior of the drum 24 is filled with balls formed as balls 30 which are detected during the rotation of the drum 24 about its longitudinal axis of Mitêtchann 32 which extend in the longitudinal direction of the drum 24 and are secured to the inner wall 34.
  • the cylindrical inner wall 34 of the drum 24 is mounted concentrically floating in a cylindrical outer wall 36, wherein between the inner wall 34 and outer wall 36, an insulating layer 38 is inserted from elastic material, which may be formed as a mat.
  • elastic material which may be formed as a mat.
  • FIG. 1 shows, on the outer wall 36 of the drum 24, a sprocket 40 is mounted, with which a drive chain 42 is engaged.
  • the drive chain 42 passes over a pinion 44, which is rotated by a drive motor 46 in rotation, which is supported next to the drum 24 on the bottom plate 12.
  • the speed of the drive motor 46 can be adjusted in order to adapt the grinding process to the respective regrind and its composition of liquid and solids can.

Landscapes

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

Claims (7)

  1. Dispositif apt à l'utilisation dans des installations de biogaz destiné à fractionner et à broyer finement des melanges de matières solides-liquides, comprenant un broyeur à boulets (10) avec un tambour (24) chargé de billes (30) et entraîné en rotation autour d'un axe horizontal, une face dudit tambour (24) étant fermée par un couvercle (22) tandis que l'autre face est fermée par un fond (20), toutes les deux faces ayant un passage à rotation (26) pour le chargement continu du matériau à fractionner et respectivement pour la sortie continue du matériau fractionné, caractérisé par le fait que la paroi cylindrique intérieure (34) du tambour (24) est librement suspendue en position coaxiale dans une paroi cylindrique extérieure (36) de laquelle elle est mécaniquement découplée.
  2. Dispositif selon la revendication 1, caractérisé par le fait qu'à la paroi intérieure (34) du tambour (24) sont appliquées des nervures longitudinales d'entraînement pour les billes (30).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait, qu'une couche isolante (38) de matériau élastique est inserée entre la paroi intérieure (34) et la paroi extérieure (36).
  4. Dispositif selon une des revendications précédentes, caractérisé par le fait que dans ledit tambour (24) une plaque perforée (28) est positionnée devant le passage à rotation (26) pour la sortie du matériau fractionné.
  5. Dispositif selon une des revendications précédentes, caractérisé par le fait qu'à la paroi extérieure (36) du tambour (24) est fixée une couronne dentée (40) en prise perpétuelle avec une chaîne d'entraînement (42).
  6. Dispositif selon la revendication 5, caractérisé par le fait qu'un moteur de commande (46) pour l'entraînement de la chaîne (42) est positionné à côté du tambour (24).
  7. Dispositif selon la revendication 6, caractérisé par le fait que la vitesse de rotation du moteur (46) est régable.
EP15154986.2A 2014-02-13 2015-02-13 Dispositif pour installations de biogaz destiné à broyer et à broyer finement des mélanges de matières solides-liquides Not-in-force EP2907577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014100640.0U DE202014100640U1 (de) 2014-02-13 2014-02-13 Vorrichtung für Biogasanlagen zum Zerkleinern und Zermahlen von Flüssig-Feststoffgemischen

Publications (2)

Publication Number Publication Date
EP2907577A1 EP2907577A1 (fr) 2015-08-19
EP2907577B1 true EP2907577B1 (fr) 2017-09-20

Family

ID=50276783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15154986.2A Not-in-force EP2907577B1 (fr) 2014-02-13 2015-02-13 Dispositif pour installations de biogaz destiné à broyer et à broyer finement des mélanges de matières solides-liquides

Country Status (2)

Country Link
EP (1) EP2907577B1 (fr)
DE (1) DE202014100640U1 (fr)

Cited By (1)

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CN111715351A (zh) * 2020-06-08 2020-09-29 西安宝鑫自动化设备有限公司 一种消声球磨机

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CN106732207A (zh) * 2016-12-21 2017-05-31 河南省少林重型机器有限公司 一种多相动态反应器
DE202017002406U1 (de) 2017-05-05 2017-06-29 Mairec Edelmetallgesellschaft Mbh Vorrichtung zum Zerkleinern von Mahlgut
CN107029835A (zh) * 2017-05-10 2017-08-11 安徽捷运矿山机械有限公司 一种选矿用自磨机
CN107362871B (zh) * 2017-08-31 2023-04-07 新乡市宏峰矿山设备有限公司 轮带式节能新型球磨机
CN107790236B (zh) * 2017-11-17 2022-10-21 湖北科技学院 一种铁渣球磨水洗筛选一体机
CN108620190B (zh) * 2018-05-03 2020-09-29 邵阳市新华材料科技有限责任公司 一种矿用球磨机
CN110976035A (zh) * 2019-11-25 2020-04-10 衡阳阳光陶瓷有限公司 一种多腔室分加工的陶瓷原料球磨机
DE102019133787A1 (de) 2019-12-10 2021-06-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Rotierend antreibbare Mahlkörpermühle zur Gewinnung von Polyisopren und/oder anderen apolaren Werkstoffen
CN110882764A (zh) * 2019-12-13 2020-03-17 江苏吉能达环境能源科技有限公司 一种水泥粉磨工艺及其设备
CN111686877B (zh) * 2020-06-11 2021-09-28 扬州市龙伟食品有限公司 一种豆干原料生产用的高效防杂物磨浆机
CN112058412B (zh) * 2020-09-04 2021-11-02 浙江省东阳市开源金属制品有限公司 一种卧式多级滚动球磨机
CN112675983B (zh) * 2020-12-23 2021-09-14 佛山市三水金晖建筑材料有限公司 一种矿用球磨机
CN114392822B (zh) * 2022-02-25 2023-07-21 新泰和康源牧康饲料有限公司 一种猪饲料配料系统

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DE627626C (de) * 1934-03-06 1936-03-20 Metallpulver A G Betriebsverfahren fuer Trommelmuehlen zum Herstellen feiner Metallpulver
CH365933A (de) * 1959-02-16 1962-11-30 Holecz Ferenc Kugelmühle
IT1228926B (it) * 1987-08-07 1991-07-10 Snam Progetti Procedimento e apparecchiatura per il trattamento di rifiuti solidi urbani
ITRE20060089A1 (it) * 2006-07-20 2008-01-21 Sacmi Sistema di collegamento tra mulini continui in serie di un impianto di macinazione

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Publication number Priority date Publication date Assignee Title
CN111715351A (zh) * 2020-06-08 2020-09-29 西安宝鑫自动化设备有限公司 一种消声球磨机

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DE202014100640U1 (de) 2014-02-21
EP2907577A1 (fr) 2015-08-19

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