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EP2560761B1 - Dispositif d'alimentation pour une presse à rouleaux à haute pression - Google Patents

Dispositif d'alimentation pour une presse à rouleaux à haute pression Download PDF

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Publication number
EP2560761B1
EP2560761B1 EP11708467.3A EP11708467A EP2560761B1 EP 2560761 B1 EP2560761 B1 EP 2560761B1 EP 11708467 A EP11708467 A EP 11708467A EP 2560761 B1 EP2560761 B1 EP 2560761B1
Authority
EP
European Patent Office
Prior art keywords
chute
feeding device
overflow
nip
pressure 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.)
Not-in-force
Application number
EP11708467.3A
Other languages
German (de)
English (en)
Other versions
EP2560761B2 (fr
EP2560761A1 (fr
Inventor
Siegfried Strasser
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.)
KHD Humboldt Wedag AG
Original Assignee
KHD Humboldt Wedag 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
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Application filed by KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Publication of EP2560761A1 publication Critical patent/EP2560761A1/fr
Application granted granted Critical
Publication of EP2560761B1 publication Critical patent/EP2560761B1/fr
Publication of EP2560761B2 publication Critical patent/EP2560761B2/fr
Not-in-force 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
    • B02C4/286—Feeding devices

Definitions

  • the invention relates to a feeding device for a high-pressure roller press for Hockdruckzerkleintation of ground material, which controls the material to be ground in a nip between two rollers of the high-pressure roller press gives up.
  • the nip is wider than the largest extent of the comminuted material to be ground. It is necessary to feed the nip with millbase so that a certain amount of the ground material can continuously pass through the nip. Because the nip is loaded with too little amount of ground material per unit of time, so in extreme cases, the ground material is no longer crushed or the high-pressure roller press acts like a crusher. If, however, too large amount of ground material on the nip given, the high-pressure roller press can be overloaded with the result that it begins to vibrate.
  • the amount of material dispensed has a significant influence on the desired smooth running of the high-pressure roller press.
  • the metering function of the feeder over the nip has been steadily improved.
  • the intake behavior is also influenced by the material bed in the room above the rollers.
  • Bulk material (bulk) is an accumulation or volume of Mahlgutmenge in the space above the compaction zone to understand.
  • the optimum material fill is determined by the parameters grain size of the material to be ground, humidity and the angle of repose.
  • the object of the invention is therefore to provide a feeding device with which the level of the ground material can be better controlled.
  • the feed device according to the invention for a high-pressure roller press for high-pressure comminution of millbase which gives the millbase controlled in a nip between two rollers of the high-pressure roller press, and at least one material task with a vertically adjustable material chute, is characterized in that the feeding device has a material overflow device.
  • the feeder is arranged on a support device on the machine frame of the high-pressure roller press.
  • the material task is designed as a funnel-like housing with a guide for a material slide.
  • the material feed is arranged centrally over a part of the rolls and the nip. On the one hand, it serves to guide the material to be ground along a material feed area on the rolls up to the nip and on the other hand also as a dust collector. Dedusting lines are provided for this purpose.
  • the material chute is guided in a guide of the material task.
  • the height-adjustable material chute which is guided in the material task, enables the setting of a material bed.
  • the material chute is formed at least from a chute with a material inlet and a material outlet, the chute is guided in a guide of the material feed and the material chute is vertically adjustable via an adjusting device above the roll gap.
  • the material chute can be adjusted in height via a hydraulic device, wherein the hydraulic device with the support device and the shaft of the material chute is in communication and engages the shaft.
  • Another preferred embodiment of the invention provides that the material chute is arranged in the material feed such that the material to be ground can be dispensed centrally above the nip onto the rolls of the high-pressure roller press.
  • material chute within the feeder is arranged so that the shaft or material inlet and material outlet are each centrally above the nip and the shaft can be adjusted centrally above this in height. This ensures a uniform task of the ground material.
  • the material chute is vertically adjustable such that the material outlet from an upper position to a lower position and vice versa is movable.
  • the material bed is the amount of material that is deposited on the rollers over a certain area, the material feed area.
  • Under free bed of material or free Mahlgut thoroughlyung is a loose accumulation or volume of a quantity of material or the ground material to be understood, which forms in the space above the Kompaktzone to the material outlet of the material slide.
  • the aggregate may ideally assume a frustoconical shape.
  • a further preferred embodiment of the invention provides that when the material outlet is in the upper position, a maximum free bulk of material is formed.
  • the material chute can be adjusted in height continuously above the nip via the adjusting device. The highest adjustment is achieved when the material exit a position II above the nip occupies. The lowest adjustment is marked by the position I. Here is the material outlet directly between the rollers.
  • the free material fill can be regulated as a function of the height of the material chute which can be adjusted via the adjusting device.
  • the free bulk material decreases as the material chute is driven down towards the nip and approaches zero when the material chute is moved to position I.
  • a next preferred embodiment of the invention provides that in the position of the material outlet in the lower position no free material bed forms.
  • a further preferred embodiment of the invention provides that the Mahlgutüberlauf issued is formed of a first overflow chute and a second overflow chute, wherein the overflow chutes are fixed or detachably arranged on the material task or on the material chute.
  • the task device has for continuous refilling with regrind and the control of the level of nachmetreden Ground material in the chute of the material chute, as well as in the material task itself, a Mahlgutüberlauf issued on.
  • Mahlgutüberlauf may provide two overflow chutes, which are preferably fixed or detachably mounted respectively on the opposite shaft walls of the material chute.
  • the overflow chutes may be tubular and preferably extend to about the height of the nip.
  • overflow chutes are firmly connected to the material task. In this case it is achieved that a Mahlgutübermoor during height adjustment of the material chute is possible.
  • the overflow chutes are adjustably arranged on the material chute.
  • the possibility of adjusting the material chute and the overflow chutes causes a defined free bulk of material above the rollers and a defined material play gel in the chute of the material chute are adjustable.
  • a next preferred embodiment of the invention is characterized in that openings are provided on the material chute, through which overflowing ground material passes into the overflow chutes and the ground material can be guided via the overflow chutes into a material circulation system connected thereto.
  • overflow chutes are attached to the chute of the material chute, there are corresponding openings at the chute, through which the material to be ground can overflow and pass into a material circulation system connected to the overflow chutes.
  • the overflow quantity can be measured and controlled by suitable measuring devices on the overflow chutes.
  • FIG. 1 a high-pressure roller press 100 with a feed device 20 according to the invention is shown.
  • the feeding device 20 has a funnel-shaped material feed 30 with a material chute 40.
  • the material chute 40 in turn consists of a shaft 41 with a material inlet 42 and a material outlet 43.
  • the material chute 40 is guided in the material task 30 via a guide 50.
  • the material chute 40 is arranged centrally in the material task 30 and centrally above the nip 11.
  • In the chute 41 of the material chute 40 is Ground material 10 out, which is fed via a material outlet 43 on the rollers 101, 102 in the vicinity of the nip 11.
  • the material outlet 43 of the material chute 40 is located in FIG. 1 in a lower position I above the nip 11, directly between the rollers 101, 102.
  • the angle ⁇ predetermines the angle of repose. This characterizes a material feed area 90 between the roll gap 11 and the largest extent of the ground material 10 fed onto the rolls 101, 102.
  • the angle of repose ⁇ is between 15 ° and 30 °, preferably 20 °, when the material chute 40 is in position I. When adjusting the material outlet 43 in position I, no free material bed 25 forms over the rollers 101, 102.
  • FIG. 2 Position II marks the highest vertical displacement of the material chute 40.
  • the angle of repose ⁇ is at position of the material outlet 43 in position II between 50 ° and 70 ° , preferably 60 °. It can be seen in FIG. 2 in that a free material fill 25 has formed in the space above the nip 11 and the material outlet 43.
  • the free material bed 25 can be adjusted and regulated by vertical adjustment of the material outlet 43 in the direction of nip 11 as needed.
  • FIG. 3 is the high pressure roller press 100 after FIG. 2 shown in side view. Evident are attached to the material task 30 dedusting 80.
  • FIG. 4 forms the high-pressure roller press 100 with inventive task device 20 with material task 30 and material chute 40 from, as it is attached to a support device 70 on a - not shown - machine frame.
  • inventive task device 20 with material task 30 and material chute 40 from, as it is attached to a support device 70 on a - not shown - machine frame.
  • evident is an attached to the material chute 40 overflow chute 61, 62 a Mahlgutüberlauf vibration 60 and an adjusting device 51 for the material chute 40th
  • the high-pressure roller press 100 is after FIG. 4 shown in side view.
  • the overflow chutes extend approximately up to the height of the nip 11.
  • Overflowing material to be ground 10 is passed through openings 45, 46 on the material chute 40 in the overflow chutes 61, 62. Die Studentslaufrisonen 61, 62 °. and in a (not shown) material circulation system at the level of the nip 11 discharged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Press Drives And Press Lines (AREA)
  • Chutes (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (11)

  1. Dispositif d'alimentation (20) pour une presse à rouleaux à haute pression (100) pour le broyage à haute pression de produit à broyer (10), qui alimente le produit à broyer (10) de manière contrôlée dans une fente de cylindres (11) entre deux cylindres (101, 102) de la presse à rouleaux à haute pression (100), le dispositif d'alimentation (20) présentant au moins une alimentation en matériau (30) avec une glissière de matériau (40) réglable verticalement,
    caractérisé en ce que
    le dispositif d'alimentation (20) présente un dispositif de trop-plein de matériau (60).
  2. Dispositif d'alimentation (20) selon la revendication 1,
    caractérisé en ce que
    l'alimentation en matériau (30) est formée par un boîtier en forme de trémie qui présente un guide (50) pour la glissière de matériau (40).
  3. Dispositif d'alimentation (20) selon la revendication 1,
    caractérisé en ce que
    la glissière de matériau (40) est formée d'au moins un conduit (41) avec une entrée de matériau (42) et une sortie de matériau (43), le conduit (41) étant guidé dans un guide (50) dans l'alimentation en matériau (30) et la glissière de matériau (40) pouvant être réglée verticalement par le biais d'un dispositif de réglage (51) sur la fente de cylindres (11).
  4. Dispositif d'alimentation (20) selon la revendication 1 ou 2,
    caractérisé en ce que
    la glissière de matériau (40) est disposée de manière réglable verticalement dans l'alimentation en matériau (30) de telle sorte que le produit à broyer (10) puisse être délivré aux cylindres (101, 102) centralement sur la fente de cylindres (11) .
  5. Dispositif d'alimentation (20) selon les revendications 1 à 3,
    caractérisé en ce
    qu'une matière en vrac libre prédéfinissable (25) peut être ajustée par le biais d'un réglage vertical de la sortie de matériau (43) de la glissière de matériau (40).
  6. Dispositif d'alimentation (20) selon la revendication 4,
    caractérisé en ce que
    la glissière de matériau (40) est réglable verticalement de telle sorte que la sortie de matériau (43) puisse être déplacée depuis une position supérieure (II) jusqu'à une position inférieure (I) et inversement.
  7. Dispositif d'alimentation (20) selon la revendication 5,
    caractérisé en ce
    qu'une matière en vrac libre maximale (25) se forme lors du placement de la sortie de matériau (43) dans la position supérieure (II).
  8. Dispositif d'alimentation (20) selon la revendication 5,
    caractérisé en ce
    qu'aucune matière en vrac libre (25) ne se forme lors du placement de la sortie de matériau (43) dans la position inférieure (I).
  9. Dispositif d'alimentation (20) selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce que
    le dispositif de trop-plein de matériau (60) est formé d'une première glissière de trop-plein (61) et d'une deuxième glissière de trop-plein (62), les glissières de trop-plein (61, 62) étant disposées fixement ou de manière détachable sur l'alimentation en matériau (30) ou sur la glissière de matériau (40).
  10. Dispositif d'alimentation (20) selon la revendication 8,
    caractérisé en ce que
    les glissières de trop-plein (61, 62) sont disposées de manière réglable sur la glissière de matériau (40).
  11. Dispositif d'alimentation (20) selon la revendication 10,
    caractérisé en ce que
    des ouvertures (45, 46) sont prévues sur la glissière de matériau (40), à travers lesquelles le produit à broyer (10) qui déborde parvient dans les glissières de trop-plein (61, 62) et le produit à broyer (10) peut être guidé par le biais des glissières de trop-plein (61, 62) dans un système de circulation de matériau connecté à celui-ci.
EP11708467.3A 2010-04-21 2011-03-16 Dispositif d'alimentation pour une presse à rouleaux à haute pression Not-in-force EP2560761B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010005881U DE202010005881U1 (de) 2010-04-21 2010-04-21 Aufgabevorrichtung für eine Hochdruckrollenpresse
PCT/EP2011/053933 WO2011131428A1 (fr) 2010-04-21 2011-03-16 Dispositif d'alimentation pour une presse à rouleaux à haute pression

Publications (3)

Publication Number Publication Date
EP2560761A1 EP2560761A1 (fr) 2013-02-27
EP2560761B1 true EP2560761B1 (fr) 2014-07-09
EP2560761B2 EP2560761B2 (fr) 2017-09-20

Family

ID=42372204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11708467.3A Not-in-force EP2560761B2 (fr) 2010-04-21 2011-03-16 Dispositif d'alimentation pour une presse à rouleaux à haute pression

Country Status (6)

Country Link
EP (1) EP2560761B2 (fr)
CN (1) CN102740979B (fr)
BR (1) BR112012017249A2 (fr)
DE (1) DE202010005881U1 (fr)
DK (1) DK2560761T4 (fr)
WO (1) WO2011131428A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8695907B2 (en) 2012-04-20 2014-04-15 Metso Minerals Industries, Inc. Roller crusher with cheek plates
US8708265B2 (en) 2012-04-20 2014-04-29 Metso Minerals Industries, Inc. Roller crusher with balancing cylinders
CN103285991B (zh) * 2013-05-14 2016-08-10 中信重工机械股份有限公司 一种双侧自动调节高压辊磨机进料的机构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1757093C3 (de) † 1968-03-29 1978-10-19 Alpine Ag, 8900 Augsburg Walzenmühle zur Feinmahlung
DE2708053C3 (de) 1977-02-24 1986-05-07 Schönert, Klaus, Prof. Dr.-Ing., 7500 Karlsruhe Verfahren zur Fein- und Feinstzerkleinerung von Materialien spröden Stoffverhaltens
DE3302176A1 (de) † 1983-01-24 1984-07-26 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und anlage zur kontinuierlichen druckzerkleinerung sproeden mahlgutes
DE3305339A1 (de) † 1983-02-17 1984-08-23 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und vorrichtung zur kontinuierlichen druckzerkleinerung sproeden mahlgutes
DE3742083A1 (de) * 1987-12-11 1989-06-22 Kloeckner Humboldt Deutz Ag Zweiwalzenmaschine wie z. b. walzenpresse
DK2307144T3 (da) 2008-07-09 2014-01-13 Khd Humboldt Wedag Gmbh Doseringsanlæg med to uafhængigt af hinanden varierbare drejeventiler
CN201271588Y (zh) * 2008-09-10 2009-07-15 无锡天山水泥有限公司 一种辊压机进料装置

Also Published As

Publication number Publication date
DK2560761T3 (da) 2014-10-20
EP2560761B2 (fr) 2017-09-20
DK2560761T4 (en) 2018-01-02
DE202010005881U1 (de) 2010-07-29
EP2560761A1 (fr) 2013-02-27
CN102740979B (zh) 2014-09-10
CN102740979A (zh) 2012-10-17
BR112012017249A2 (pt) 2016-03-22
WO2011131428A1 (fr) 2011-10-27

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