EP3572152B1 - Sdispositif de dosage et de répartition pour un moulin à cylindres, moulin à cylindres doté d'un tel dispositif de dosage et de répartition ainsi que procédé de broyage de produit - Google Patents

Sdispositif de dosage et de répartition pour un moulin à cylindres, moulin à cylindres doté d'un tel dispositif de dosage et de répartition ainsi que procédé de broyage de produit Download PDF

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Publication number
EP3572152B1
EP3572152B1 EP18174239.6A EP18174239A EP3572152B1 EP 3572152 B1 EP3572152 B1 EP 3572152B1 EP 18174239 A EP18174239 A EP 18174239A EP 3572152 B1 EP3572152 B1 EP 3572152B1
Authority
EP
European Patent Office
Prior art keywords
milling
filling level
metering device
distributing
feeding roller
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
EP18174239.6A
Other languages
German (de)
English (en)
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EP3572152A1 (fr
Inventor
Daniel Mark
Daniel Rickenbach
Stefan SALZMANN
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.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Priority to ES18174239T priority Critical patent/ES2824761T3/es
Priority to EP18174239.6A priority patent/EP3572152B1/fr
Priority to KR1020207036706A priority patent/KR102430868B1/ko
Priority to DK19716172.2T priority patent/DK3801909T3/da
Priority to JP2020565791A priority patent/JP2021524804A/ja
Priority to RU2020142761A priority patent/RU2757420C1/ru
Priority to US17/058,667 priority patent/US11618033B2/en
Priority to PCT/EP2019/059131 priority patent/WO2019223930A1/fr
Priority to BR112020023940-2A priority patent/BR112020023940B1/pt
Priority to EP19716172.2A priority patent/EP3801909B1/fr
Priority to CN201980035241.0A priority patent/CN112236233B/zh
Priority to BR112020023672-1A priority patent/BR112020023672B1/pt
Priority to KR1020207037065A priority patent/KR102320757B1/ko
Priority to EP19725761.1A priority patent/EP3592464A1/fr
Priority to JP2020565876A priority patent/JP6953642B2/ja
Priority to RU2020142810A priority patent/RU2755504C1/ru
Priority to MX2020012603A priority patent/MX2020012603A/es
Priority to CA3101404A priority patent/CA3101404C/fr
Priority to CN201980046037.9A priority patent/CN112384301B/zh
Priority to PCT/EP2019/063644 priority patent/WO2019224399A1/fr
Priority to AU2019272929A priority patent/AU2019272929B2/en
Priority to CN202210198533.XA priority patent/CN114534852B/zh
Priority to KR1020217034574A priority patent/KR102647490B1/ko
Priority to US17/058,412 priority patent/US11185867B2/en
Publication of EP3572152A1 publication Critical patent/EP3572152A1/fr
Application granted granted Critical
Publication of EP3572152B1 publication Critical patent/EP3572152B1/fr
Priority to MX2021012001A priority patent/MX2021012001A/es
Priority to JP2021159213A priority patent/JP7326397B2/ja
Priority to AU2021261834A priority patent/AU2021261834B2/en
Priority to US17/528,912 priority patent/US11865547B2/en
Priority to JP2023008641A priority patent/JP7540672B2/ja
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
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/286—Feeding 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
    • 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
    • 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
    • B02C23/02—Feeding 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
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control

Definitions

  • the invention relates to a distribution metering device for a roller mill and a roller mill with a distribution metering device according to the invention.
  • the invention further relates to a method for grinding regrind with a roller mill, which comprises a distribution-metering device according to the invention.
  • the ground material is introduced into the center of the inlet of the respective grinding passage and accumulated.
  • the regrind is then distributed to the outside by gravitation, if necessary with the help of a paddle roller, and conveyed through the feed roller into the grinding gap.
  • the fill level of the inlet is first set manually, for example by an operator, as the target level. It must be taken into account that on the one hand there is enough free buffer volume available (level as low as possible), but on the other hand the regrind reaches the ends of the discharge unit (level as high as possible). With a measuring device (e.g. force transducer), a deviation of the actual level from the target level is detected during operation. A control device ensures that the discharge is adjusted so that the actual level corresponds as far as possible to the target level.
  • Force transducers have the disadvantage that the fill level of the material to be ground is not measured directly, but indirectly, and therefore a calibration must be carried out, which is strongly dependent on the properties of the material to be ground.
  • a disadvantage of such roller mills is that the operator must manually define the fill level as the target level. This "empirical" setting of the target level should also ensure that the distribution of regrind along the length of the feed roller is ensured. The distribution of regrind along the feed roller is checked / monitored only visually, if at all. In operation it happens that, if the desired level is unsuitable and / or the distribution device is unsuitably preset, the regrind does not reach the ends of the discharge unit. Correct setting is also difficult for the person skilled in the art. If the grinding material properties change during operation, the risk of an accident is even greater in critical passages with the state of the art.
  • a roller mill with a distribution metering device with a level sensor is, for example, in US-4619408-A disclosed.
  • the distribution-metering device comprises a housing with at least one regrind inlet and at least one regrind outlet and a feed roller arranged in the housing for dosing regrind into a grinding gap of the roller mill through the regrind outlet, which can be rotated about an axis of the feed roller.
  • the distribution-metering device further comprises a conveyor shaft arranged in the housing for distributing regrind along the feed roller, which can be rotated about an axis of the conveyor shaft, the axis of the conveyor shaft being arranged parallel to the axis of the feed roller, and a first level sensor arranged in the housing for determining a first regrind fill level of the Housing.
  • individual sensors for example sensor strips
  • the distribution metering device further comprises a second fill level sensor arranged in the housing for the determination a second regrind fill level of the housing, the regrind inlet and the first fill level sensor being arranged at a first end of the feed roller and the conveyor shaft, and the second fill level sensor being arranged at a second end of the feed roller and the feed shaft.
  • “at a first end” or “at a second end” means that the first or second sensor is arranged in each case in a first or last third of the feed roller.
  • the fill level sensors are preferably arranged in the first and last quarters of the feed roller.
  • the range specifications relate to the length of the feed roller in the axial direction.
  • the distribution-metering device is usually arranged above the grinding rollers of a roller mill.
  • Grist is fed to the housing of the distribution and dosing device and forms a storage there, which serves as a buffer for operating the roller mill, so that small fluctuations in mass flow can be smoothed out.
  • the feed roller then conveys the regrind to the regrind outlet of the distribution metering device and from there into the grinding gap.
  • the feed roller axis is preferably arranged parallel to the roller axis of the grinding rollers of the roller mill.
  • a conveyor shaft is provided to ensure the distribution of the ground material along the feed roller. Rotation of the conveyor shaft ensures that regrind is conveyed in one direction along the axis of the conveyor shaft, so that distribution of regrind is supported by gravity.
  • the conveyor shaft is preferably designed as a screw conveyor or paddle roller.
  • a conveying area of the conveying shaft ie the area of the conveying shaft which effects the conveying of regrind, preferably extends over at least half the axial length of the feed roller, preferably over the entire axial length of the feed roller.
  • the conveying shaft also causes a mixture of regrind in the distribution metering device, which counteracts segregation by cone formation (in particular through the sieve effect).
  • the regrind inlet is arranged at a first end of the feed roller and the conveyor shaft. This means that regrind is not fed in the center of the feed roller as in known devices but in an end region of the feed roller and the conveyor shaft.
  • the first fill level sensor for determining a first fill level is also located in this end region. The height of the ground material can be determined with the first level sensor.
  • a second level sensor is arranged at the other end of the feed roller and the conveyor shaft. This means that a second regrind fill level, i.e. the height of the regrind, can be determined.
  • a fill level sensor is thus arranged at both ends of the feed roller (and the conveyor shaft).
  • the lateral arrangement of the regrind inlet and the inventive arrangement of the fill level sensors allow conclusions to be drawn as to whether the feed roller is supplied with enough regrind over its entire length.
  • the feed roller and the conveyor shaft are preferably movable independently of one another. This means that the feed roller and / or the feed shaft have a dedicated drive and are not, as is known from the prior art, driven feed roller and feed shaft coupled.
  • the feed roller and the conveyor shaft preferably have their own drive.
  • the speed of the feed roller can preferably be controlled or regulated as a function of the first regrind fill level. This means that the speed of the feed roller is set depending on the first regrind fill level determined by the first fill level sensor.
  • the feed roller is preferably driven at a low speed if the first grist fill level is low. The speed is then increased if the first grist level rises.
  • the first regrind fill level is kept essentially constant by a corresponding control unit.
  • the setpoint for this can be permanently programmed into the control unit, dependent on other factors or adjustable by an operator.
  • the speed the feed roller is adjusted depending on the deviation between the setpoint and actual value of the first grist level.
  • the speed of the conveyor shaft is preferably also controllable or regulatable depending on the second mill level. This means that the speed of the conveyor shaft is set as a function of the second regrind fill level determined by the second fill level sensor.
  • the conveyor shaft is preferably driven at a first speed if the second grinding material fill level is low. The speed is then reduced if the second grist level rises.
  • the second regrind fill level is kept essentially constant by a corresponding control unit.
  • the setpoint for this can be permanently programmed into the control unit, dependent on other factors or adjustable by an operator.
  • the speed of the conveyor shaft is adjusted depending on the deviation between the setpoint and actual value of the second regrind level.
  • the regrind outlet is preferably designed as a gap between the feed roller and a throttle device.
  • the throttle device preferably comprises a rotatable profile with a circular cross-section.
  • a profile can, for example, be produced from a circular profile simply by removing / grinding a section of a circle. It is advantageous that a metering edge of the profile is stiffer than in known solutions, in which the throttle device comprises a flap which is composed of a plurality of elements. The elements must then be aligned to form a straight dispensing edge.
  • a profile with a circular cross-section is more rigid than known solutions.
  • a gap width of the gap can preferably be controlled or regulated depending on the first regrind fill level.
  • the feed roller is particularly preferably operated at a constant speed and the regrind discharge quantity is set only over the gap width.
  • the distribution metering device preferably comprises a guide arrangement for guiding regrind to the feed roller.
  • the guide arrangement is preferably designed as a sliding surface.
  • the guide arrangement ends with an edge which is spaced from the feed roller between 0.001 and 5 mm.
  • the edge is arranged in a radial section through the feed roller with an angular distance between 0 ° and 90 ° with respect to a solder through the feed roller axis. In other words, the edge is located between 9 a.m. and 12 p.m.
  • Distribution metering device is made possible. In addition, cleaning / emptying the remainder of the metering device is simplified.
  • the distribution-metering device further comprises a control unit which is operatively connected to the first and second fill level sensors and by means of which the feed roller and / or the feed shaft can be controlled / regulated.
  • the control unit is arranged in a control cabinet with a cooling system which comprises at least one Peltier element.
  • the control unit serves to control / regulate the rotation of the feed roller and the conveyor shaft and controls these in particular depending on the first or second fill level.
  • other sensors can be operatively connected to the control unit, which are also used to control / regulate the feed roller and the feed shaft.
  • control unit Due to the environmental properties of a roller mill, the control unit must be protected against external influences (dust), on the one hand, and, for safety reasons (risk of dust explosion), it must be safely taken up as a possible ignition source and separated from the environment.
  • Previous solutions proposed a central control cabinet from which the entire system (several roller mills) was fed and controlled. The installation effort is very high, since many cables have to be laid from the control cabinet to the respective machine. This installation effort is eliminated with a control cabinet located directly on the distribution and dosing device. In particular, only 3 lines have to be connected to the control unit (power supply; data transmission, e.g. BUS; safety shutdown).
  • the device can be installed and configured at the factory and only has to be connected to the respective line at the place of assembly according to the "plug-and-play concept".
  • the control cabinet comprises at least one Peltier element for cooling the interior of the control cabinet.
  • the insulation between the outside and the inside is advantageous here, so that possible ignition sources are not connected to the roller mill environment.
  • the invention further relates to a roller mill with a distribution-metering device according to the invention. All of the advantages and developments of the metering device described above can therefore also be used accordingly for a roller mill according to the invention.
  • the roller mill comprises at least two rollers which define a roller gap for grinding ground material, the roller gap being supplied with ground material from the ground material outlet of the distribution-metering device.
  • the invention further relates to a method for grinding regrind in a roller mill.
  • the roller mill in this case comprises a distribution-metering device according to the invention. All of the advantages and developments of the metering device and the roller mill described above can therefore also be used accordingly for a method according to the invention.
  • regrind is fed to the roll mill via a distribution-metering device according to the invention.
  • Grist is fed to the distribution dosing device via the grist inlet and then leaves the distribution dosing device through the grist outlet.
  • a speed of rotation of the feed roller is preferably controlled or regulated as a function of the first grist fill level.
  • the speed of the feed roller is adjusted in particular proportionally to a deviation between a setpoint of the first millbase fill level and the actual value of the first millbase fill level.
  • a speed of the conveyor shaft is preferably controlled or regulated as a function of the second mill level.
  • the speed of the conveyor shaft is in particular adjusted in inverse proportion to a deviation between a setpoint of the second millbase fill level and the actual value of the second millbase fill level.
  • the distribution metering device is designed with a regrind outlet designed as a gap between the feed roller and a throttle device, a gap width of the gap is controlled or regulated depending on the first regrind fill level.
  • the speed of the feed roller is in particular kept constant (i.e. not changed during operation).
  • the gap width is adapted in particular proportionally to a deviation between a setpoint of the first millbase fill level and the actual value of the first millbase fill level.
  • a roller mill comprising at least two rollers arranged in a housing, a regrind inlet, a regrind outlet and a control unit for controlling and / or regulating the roller mill.
  • the control unit is arranged in a control cabinet with cooling, the control cabinet on the roller mill, in particular on the housing, is arranged.
  • the cooling comprises at least one Peltier element.
  • control unit Due to the environmental properties of a roller mill, the control unit must be protected against external influences (dust), on the one hand, and, for safety reasons (risk of dust explosion), it must be safely taken up as a possible ignition source and separated from the environment.
  • Previous solutions proposed a central control cabinet from which the entire system (several roller mills) was fed and controlled. The installation effort is very high, since many cables have to be laid from the control cabinet to the respective machine. This installation effort is eliminated with a control cabinet located directly on the distribution and dosing device. In particular, only 3 lines need to be connected to the control unit (power supply; data transmission, e.g. BUS; safety shutdown).
  • the device can already be installed and configured at the factory and only has to be connected to the respective line at the place of assembly according to the "plug and play concept".
  • the control cabinet comprises at least one Peltier element for cooling the interior of the control cabinet.
  • the insulation between the outside and the inside is advantageous here, so that possible ignition sources are not connected to the roller mill environment.
  • the distribution and metering device 1 comprises a housing 2 with a regrind inlet 3 and a regrind outlet 4.
  • a feed roller 5 rotatable about a feed roller axis SA and above the feed roller 5 in the regrind flow direction.
  • the conveyor shaft is designed as a screw conveyor and can be rotated about the conveyor shaft axis FA, which is parallel to the feed roller axis SA.
  • Motors 15 and 16 are provided for driving the feed roller 5 and the conveyor shaft 6, respectively.
  • the motors 15 and 16 are operatively connected to a control unit 12 (shown schematically by the dashed line).
  • two level sensors 7 and 8 are arranged, which are designed to determine the ground level in the housing and are also in operative connection with the control unit 12.
  • the first fill level sensor 7 is in the area of the regrind inlet 3 at a first end of the feed roller 5 and the conveyor shaft 6 arranged.
  • the second fill level sensor 8 is arranged at the other end of the feed roller 5 and the conveyor shaft 6. Two level sensors 7 and 8 are thus arranged at the two ends of the feed roller 5 and the conveyor shaft 6.
  • the regrind inlet 3 is likewise not in the center, as in known devices, but is arranged above the first end of the feed roller 5 and the conveyor shaft 6.
  • a throttle device 10 which is used to set a gap 9, which serves as regrind outlet 4 of the housing 2.
  • the throttle device 10 comprises an elongated profile 11 with a cross-section in the form of a circular section.
  • the gap width of the gap 9 can be set by rotating the profile 11 (represented schematically by the dashed position).
  • the guide arrangement ends with an edge 19 close to the surface of the feed roller 5.
  • the edge 19 is arranged such that no regrind can get under the feed roller 5 or no regrind can remain in the dining area;
  • the edge 19 can be arranged at an angular distance of 0 ° to 90 ° with respect to a solder through the feed roller axis SA. With this arrangement, a dead space around the feed roller is reduced and the residual emptying / cleaning of the distribution metering device 1 is facilitated.
  • a casing 20 joins the edge 19 for sealing.
  • the dining area for the most part surrounds the feed roller (discharge roller), as a result of which a dead zone forms below the feed roller (discharge roller), which cannot be completely emptied during operation and would therefore have to be cleaned manually at a standstill.
  • This dead zone can be an unwanted one Location for insects, etc.
  • regrind When operating the distribution metering device 1, regrind is fed through the regrind inlet 3. By rotating the conveyor shaft 6, the ground material is conveyed from the first end in the direction of the second end of the feed roller 6. This distribution is monitored by the second fill level sensor 8. If the second regrind fill level (actual value) measured by the second fill level sensor 8 deviates from a target value of the second regrind fill level, the speed of the feed shaft 6 is adjusted accordingly, so that more or less regrind is conveyed to the other end of the feed roller 5.
  • the feed roller 5 is driven. If the first regrind fill level (actual value) measured by the first fill level sensor 7 deviates from a target value of the first regrind fill level, the speed of the feed roller 5 is adjusted accordingly, so that more or less regrind is discharged so that the fill level of the housing remains constant
  • a roller mill 14 with a distribution metering device 1 is visible.
  • the control cabinet 13 which is arranged on the roller mill and which houses the control unit 12 and is cooled by Peltier elements 17 (of which only cooling fins are visible).
  • Other ATEX-compliant cooling systems are also conceivable, for example liquid cooling systems, in particular water cooling systems; ATEX-compliant fans; Etc.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (14)

  1. Dispositif de dosage et de répartition (1) pour un moulin à cylindres comportant :
    - un carter (2) comprenant au moins une entrée de produit à broyer (3) et au moins une sortie de produit à broyer (4),
    - un cylindre d'alimentation (5) disposé dans le carter (2) pour le dosage du produit à broyer dans une fente de broyage du moulin à cylindres à travers la sortie de produit à broyer (4), lequel cylindre d'alimentation peut tourner autour d'un axe de cylindre d'alimentation (SA),
    - un arbre de transport (6) disposé dans le carter (2) pour la répartition du produit à broyer le long du cylindre d'alimentation (5), lequel arbre de transport peut tourner autour d'un axe d'arbre de transport (FA), dans lequel l'axe d'arbre de transport (FA) est disposé essentiellement parallèlement à l'axe de cylindre d'alimentation (SA), et
    - un premier capteur de niveau de remplissage (7) disposé dans le carter (2) pour la détermination d'un premier niveau de remplissage de produit à broyer du carter (2),
    caractérisé en ce que
    le dispositif de dosage et de répartition (1) comprend en outre
    - un deuxième capteur de niveau de remplissage (8) disposé dans le carter pour la détermination d'un deuxième niveau de remplissage de produit à broyer du carter (2),
    - l'entrée de produit à broyer (3) et le premier capteur de niveau de remplissage (7) étant disposés à une première extrémité, c'est-à-dire dans un premier tiers du cylindre d'alimentation (5) et de l'arbre de transport (6), et
    - le deuxième capteur de niveau de remplissage (8) étant disposé à une deuxième extrémité, c'est-à-dire dans un dernier tiers du cylindre d'alimentation (5) et de l'arbre de transport (6).
  2. Dispositif de dosage et de répartition (1) selon la revendication 1, caractérisé en ce qu'une vitesse de rotation du cylindre d'alimentation (5) peut être commandée ou peut être réglée indépendamment de l'arbre de transport (6) et de manière dépendante du premier et/ou du deuxième niveau de remplissage de produit à broyer, en particulier de manière dépendante du premier niveau de remplissage de produit à broyer.
  3. Dispositif de dosage et de répartition (1) selon la revendication 1 ou 2, caractérisé en ce qu'une vitesse de rotation de l'arbre de transport (6) peut être commandée ou peut être réglée indépendamment du cylindre d'alimentation (5) et de manière dépendante du premier et/ou du deuxième niveau de remplissage de produit à broyer, en particulier de manière dépendante du deuxième niveau de remplissage de produit à broyer.
  4. Dispositif de dosage et de répartition (1) selon l'une des revendications précédentes, caractérisé en ce que la sortie de produit à broyer (4) est réalisée comme une fente (9) entre le cylindre d'alimentation (5) et un dispositif d'étranglement (10).
  5. Dispositif de dosage de répartition (1) selon la revendication 4, caractérisé en ce que le dispositif d'étranglement (10) comporte un profilé rotatif (11) présentant une section transversale en forme de segment de cercle.
  6. Dispositif de dosage et de répartition (1) selon la revendication 4 ou 5, caractérisé en ce qu'une largeur de la fente (9) peut être commandée ou peut être réglée indépendamment du cylindre d'alimentation (5) et/ou de l'arbre de transport (6) et de manière dépendante du premier et/ou du deuxième niveau de remplissage de produit à broyer, en particulier de manière dépendante du premier niveau de remplissage de produit à broyer.
  7. Dispositif de dosage et de répartition (1) selon l'une des revendications précédentes, le dispositif de dosage et de répartition (1) comportant en outre un ensemble de guidage (18) pour guider le produit à broyer jusqu'au cylindre d'alimentation (5), caractérisé en ce que l'ensemble de guidage se termine par une arête (19), laquelle est disposée de telle sorte qu'aucune zone morte ne peut se former en dessous du cylindre d'alimentation (5), laquelle ne peut pas être complètement vidée lors du fonctionnement, du fait que l'arête est disposée de manière espacée du cylindre d'alimentation d'entre 0,001 et 5 mm et, en coupe radiale à travers le cylindre d'alimentation (5), l'arête (19) est disposée de préférence suivant un écart angulaire compris entre 0° et 90° par rapport à une ligne verticale passant par l'axe de cylindre d'alimentation (SA).
  8. Moulin à cylindres (14) comprenant au moins deux cylindres, lesquels définissent une fente entre cylindres, caractérisé en ce que le moulin à cylindres comporte en outre un dispositif de dosage et de répartition (1) selon l'une des revendications précédentes.
  9. Procédé de broyage d'un produit à broyer dans un moulin à cylindres, comportant l'étape d'acheminement du produit à broyer jusqu'au moulin à cylindres par le biais d'un dispositif de dosage et de répartition (1) selon l'une des revendications 1 à 6.
  10. Procédé selon la revendication 9, caractérisé en ce qu'une vitesse de rotation du cylindre d'alimentation (5) est commandée ou réglée de manière dépendante du premier niveau de remplissage de produit à broyer.
  11. Procédé selon la revendication 10, caractérisé en ce que la vitesse de rotation du cylindre d'alimentation (5) est adaptée proportionnellement à un écart entre une valeur de consigne du premier niveau de remplissage de produit à broyer et la valeur réelle du premier niveau de remplissage de produit à broyer.
  12. Procédé selon l'une des revendications 9 à 11, caractérisé en ce qu'une vitesse de rotation de l'arbre de transport (6) est commandée ou réglée de manière dépendante du deuxième niveau de remplissage de produit à broyer.
  13. Procédé selon la revendication 12, caractérisé en ce que la vitesse de rotation de l'arbre de transport (6) est adaptée de manière inversement proportionnelle à un écart entre une valeur de consigne du deuxième niveau de remplissage de produit à broyer et la valeur réelle du deuxième niveau de remplissage de produit à broyer.
  14. Procédé selon l'une des revendications 9 à 13, mis en œuvre à l'aide d'un dispositif selon la revendication 6, caractérisé en ce qu'une largeur de la fente (9) est commandée ou réglée de manière dépendante du premier niveau de remplissage de produit à broyer.
EP18174239.6A 2018-05-25 2018-05-25 Sdispositif de dosage et de répartition pour un moulin à cylindres, moulin à cylindres doté d'un tel dispositif de dosage et de répartition ainsi que procédé de broyage de produit Active EP3572152B1 (fr)

Priority Applications (29)

Application Number Priority Date Filing Date Title
ES18174239T ES2824761T3 (es) 2018-05-25 2018-05-25 Dispositivo de distribución-dosificación para un molino de cilindros, molino de cilindros con un dispositivo de distribución-dosificación de este tipo y procedimiento para moler material a moler
EP18174239.6A EP3572152B1 (fr) 2018-05-25 2018-05-25 Sdispositif de dosage et de répartition pour un moulin à cylindres, moulin à cylindres doté d'un tel dispositif de dosage et de répartition ainsi que procédé de broyage de produit
DK19716172.2T DK3801909T3 (da) 2018-05-25 2019-04-10 Kornmølle og valsestol med flere malepassager til optimeret maling af produkter samt tilsvarende fremgangsmåde
JP2020565791A JP2021524804A (ja) 2018-05-25 2019-04-10 製粉原料の最適化された粉砕と対応するプロセスのためのいくつかの粉砕通路を備えたシリアルミルアンドローラースタンド
RU2020142761A RU2757420C1 (ru) 2018-05-25 2019-04-10 Зерновая мельница и вальцевый станок, имеющий несколько проходов размола для оптимизированного размола размалываемого материала, а также соответствующий способ
US17/058,667 US11618033B2 (en) 2018-05-25 2019-04-10 Cereal mill and roll stand with several milling passages for optimised milling of milling material and corresponding process
PCT/EP2019/059131 WO2019223930A1 (fr) 2018-05-25 2019-04-10 Broyeur à grains et broyeur à rouleaux comportant plusieurs passages de broyage pour optimiser la mouture du matériau à broyer, et procédé correspondant
BR112020023940-2A BR112020023940B1 (pt) 2018-05-25 2019-04-10 Moinho de cereais e suporte de rolo com múltiplas passagens de moagem para moagem otimizada de material de moagem, e método associado
EP19716172.2A EP3801909B1 (fr) 2018-05-25 2019-04-10 Moulin à cereales et moulin à cylindres avec plusieurs passages de mouture pour mouture optimisée, et procédé correspondant
CN201980035241.0A CN112236233B (zh) 2018-05-25 2019-04-10 谷物碾磨机和具有用于研磨物优化研磨的多个研磨通道的辊磨机以及对应的方法
KR1020207036706A KR102430868B1 (ko) 2018-05-25 2019-04-10 제분 재질의 최적화된 제분을 위한 여러 제분 패시지를 가진 곡물 제분기 및 롤 스탠드와 그에 대응하는 프로세스
KR1020217034574A KR102647490B1 (ko) 2018-05-25 2019-05-27 롤러 밀용 분배 및 계량 장치, 이러한 분배 및 계량 장치를 갖는 롤러 밀, 분쇄 재료를 분쇄하는 분쇄 방법, 및 냉각 시스템을 갖는 스위칭 캐비닛을 포함하는 롤러 밀
EP19725761.1A EP3592464A1 (fr) 2018-05-25 2019-05-27 Dispositif de dosage et de distribution pour un moulin à cylindres, moulin à cylindres comprenant un tel dispositif de dosage et de distribution, procédé pour le broyage de produit à broyer ainsi que moulin à cylindres comprenant une armoire de commande comprenant un refroidissement
JP2020565876A JP6953642B2 (ja) 2018-05-25 2019-05-27 ローラミル用の分配計量供給装置、このような分配計量供給装置を有するローラミル、粉砕原料を粉砕するための方法、および冷却システムを有する配電盤キャビネットを備えたローラミル
BR112020023672-1A BR112020023672B1 (pt) 2018-05-25 2019-05-27 Dispositivo de distribuição e medição para um moinho de cilindro, moinho de cilindro e método para moagem do material de fresagem
MX2020012603A MX2020012603A (es) 2018-05-25 2019-05-27 Dispositivo dosificador de distribución para un molino de rodillos, molino de rodillos con dicho dispositivo dosificador de distribución, método para moler material de molienda, y molino de rodillos que comprende un armario de distribucion con un sistema de refrigeracion.
CA3101404A CA3101404C (fr) 2018-05-25 2019-05-27 Appareil de mesure de distribution pour un moulin a cylindres, moulin a cylindres comportant un tel appareil de mesure de distribution, methode de broyage de stocks et moulin a cylindres comprenant une armoire de commutation avec un systeme de refroidissement
CN201980046037.9A CN112384301B (zh) 2018-05-25 2019-05-27 用于辊磨机的分配计量装置、辊磨机及碾磨方法
PCT/EP2019/063644 WO2019224399A1 (fr) 2018-05-25 2019-05-27 Dispositif de dosage et de distribution pour un moulin à cylindres, moulin à cylindres comprenant un tel dispositif de dosage et de distribution, procédé pour le broyage de produit à broyer ainsi que moulin à cylindres comprenant une armoire de commande comprenant un refroidissement
AU2019272929A AU2019272929B2 (en) 2018-05-25 2019-05-27 Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
CN202210198533.XA CN114534852B (zh) 2018-05-25 2019-05-27 用于辊磨机的分配计量装置、辊磨机及碾磨方法
KR1020207037065A KR102320757B1 (ko) 2018-05-25 2019-05-27 롤러 밀용 분배 및 계량 장치, 이러한 분배 및 계량 장치를 갖는 롤러 밀, 분쇄 재료를 분쇄하는 분쇄 방법, 및 냉각 시스템을 갖는 스위칭 캐비닛을 포함하는 롤러 밀
US17/058,412 US11185867B2 (en) 2018-05-25 2019-05-27 Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
RU2020142810A RU2755504C1 (ru) 2018-05-25 2019-05-27 Устройство распределения и дозирования для вальцовой мельницы, вальцовая мельница с таким устройством распределения и дозирования, способ измельчения измельчаемой массы и вальцовая мельница, содержащая коммутационный шкаф с системой охлаждения
MX2021012001A MX2021012001A (es) 2018-05-25 2020-11-23 Dispositivo dosificador de distribucion para un molino de rodillos, molino de rodillos con dicho dispositivo dosificador de distribucion, metodo para moler material de molienda y molino de rodillos que comprende un armario de distribucion con un sistema de refrigeracion.
JP2021159213A JP7326397B2 (ja) 2018-05-25 2021-09-29 ローラミル用の分配計量供給装置、このような分配計量供給装置を有するローラミル、粉砕原料を粉砕するための方法、および冷却システムを有する配電盤キャビネットを備えたローラミル
AU2021261834A AU2021261834B2 (en) 2018-05-25 2021-11-01 Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
US17/528,912 US11865547B2 (en) 2018-05-25 2021-11-17 Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
JP2023008641A JP7540672B2 (ja) 2018-05-25 2023-01-24 製粉原料の最適化された粉砕と対応するプロセスのためのいくつかの粉砕通路を備えたシリアルミルアンドローラースタンド

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EP19725761.1A Pending EP3592464A1 (fr) 2018-05-25 2019-05-27 Dispositif de dosage et de distribution pour un moulin à cylindres, moulin à cylindres comprenant un tel dispositif de dosage et de distribution, procédé pour le broyage de produit à broyer ainsi que moulin à cylindres comprenant une armoire de commande comprenant un refroidissement

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CN (2) CN114534852B (fr)
AU (2) AU2019272929B2 (fr)
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CA (1) CA3101404C (fr)
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US11865547B2 (en) 2024-01-09
KR102647490B1 (ko) 2024-03-13
JP2022001367A (ja) 2022-01-06
CA3101404A1 (fr) 2019-11-28
MX2020012603A (es) 2021-10-01
AU2021261834A1 (en) 2021-12-02
KR102320757B1 (ko) 2021-11-02
JP2021514835A (ja) 2021-06-17
CN112384301B (zh) 2022-03-29
JP7326397B2 (ja) 2023-08-15
EP3592464A1 (fr) 2020-01-15
KR20210134419A (ko) 2021-11-09
AU2019272929A1 (en) 2020-12-17
CN114534852A (zh) 2022-05-27
CN112384301A (zh) 2021-02-19
BR112020023672B1 (pt) 2021-09-14
WO2019224399A1 (fr) 2019-11-28
CN114534852B (zh) 2023-12-01
BR112020023672A2 (pt) 2021-02-17
US20210197206A1 (en) 2021-07-01
JP6953642B2 (ja) 2021-10-27
AU2019272929B2 (en) 2021-11-18
MX2021012001A (es) 2021-11-04
US20220072561A1 (en) 2022-03-10
ES2824761T3 (es) 2021-05-13
KR20210003296A (ko) 2021-01-11
EP3572152A1 (fr) 2019-11-27
AU2021261834B2 (en) 2024-03-28
RU2755504C1 (ru) 2021-09-16
US11185867B2 (en) 2021-11-30
CA3101404C (fr) 2022-03-22

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