WO2010003850A1 - Aufgabevorrichtung mit zwei unabhängig voneinander variierbaren drehschiebern - Google Patents
Aufgabevorrichtung mit zwei unabhängig voneinander variierbaren drehschiebern Download PDFInfo
- Publication number
- WO2010003850A1 WO2010003850A1 PCT/EP2009/058211 EP2009058211W WO2010003850A1 WO 2010003850 A1 WO2010003850 A1 WO 2010003850A1 EP 2009058211 W EP2009058211 W EP 2009058211W WO 2010003850 A1 WO2010003850 A1 WO 2010003850A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nip
- shaft
- pressure roller
- roller press
- variable
- 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.)
- Ceased
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
Definitions
- the invention relates to aareavorhchtung for a high-pressure roller press for high-pressure crushing of material to be ground, which gives the material to be ground controlled in the nip between two rollers of the high-pressure roller press.
- the nip is wider than the largest extent of the crushed regrind, it is important to load the nip so that at the same time a certain amount of the millbase passes through the nip. If the nip is charged with too little amount per unit of time, then in extreme cases, the material to be ground no longer crushed or the high-pressure roller press acts much like a crusher. On the other hand, if too much is added to the nip, it may happen that the high-pressure roller press is overloaded and begins to vibrate.
- the nip increases and decreases in resonant frequency and the rotational speed varies with resonant frequency, since in an overload, the rollers of the high-pressure roller press are repeatedly braked by the excessive amount of ground material and accelerated by the drive motors again. Therefore, in the high-pressure crushing in the nip is to ensure that the nip is applied to a suitable extent with millbase.
- the actual task quantity But depends strongly on the nature of the ground material. The parameters to be considered and worth mentioning are the particle size distribution, the mean grain size and the uniformity of the available ground material flow on the nip. For the task on the nip so the material to be ground or 'feed material' must be supplied evenly from above into the nip.
- the type of material feed has a major influence on the smooth running of the high-pressure roller press. To improve the intake conditions and to ensure a uniform distribution of the drive power to the drive motors of the high-pressure roller press, therefore, the function of a feeder over the nip is steadily improved.
- German Offenlegungsschrift DE 34 38 310 A1 discloses a device for equalizing the task of feedstock via a feed lock in a crushing machine, wherein the feed material is deflected several times.
- German patent application DE 40 06 971 A1 discloses a feeding device for filling granular solids is disclosed in a crushing machine, wherein between a hopper and the crushing machine, a pipe resonator is arranged.
- German patent application DE 196 32 29 76 A1 discloses a feeding device which divides the feed material through a sieve into two fractions and gives up the fractions from different sides onto the nip of a high-pressure roller press.
- the object of the invention is to improve the effect of the feeder in relation to the intake behavior of the entire high-pressure roller press and to optimize in relation to a uniform distribution of the drive power to different drive motors of the high-pressure roller press.
- the object of the invention is achieved in that the feeding device has at least two rotary valves whose position is independently variable.
- the feeding device Due to the presence of at least two rotary valves, the feeding device according to the invention makes it possible to adapt to the changing requirements with changing material properties of the feed material. So it is possible to symmetrically open and close the two rotary valves, so as to give up a certain, average total amount per unit time on the high-pressure roller press. In addition to this pure dosing by a uniform opening around the center of the feeder centered on the nip of the high-pressure roller press, it is also possible to adjust the two rotary valve so that the center of the opening between the at least two rotary valves is not located above the center of the nip, but laterally offset to. This makes it possible to vary not only the task quantity but also the precise task location. Especially when starting the high-pressure roller press this adjustment makes it easy to achieve the optimum operating condition of the high-pressure roller press.
- the rotary valves are arranged on a variable in height above the nip shaft.
- the fact that the shaft can be varied in height, and thus the rotary valve can be the bulk cone, which emerges from the feeder, within the limits of the natural material cone, which is determined by the material properties of the feed, on the one hand and through change the mechanical movement of the cone from below through the rotating rollers of the high-pressure roller press, on the other side.
- This possibility of variation also offers the operating personnel to form the optimum material cone over the nip, so that a low-vibration and as low as possible energy-consuming operation of the high-pressure roller press is possible.
- the invention is provided in a further embodiment that the shaft is provided with an exchangeable inner lining as abrasion protection. If the abrasion protection has been removed during operation, it is possible to replace the inner lining, which, like two nested compartments, intermesh with each other, and thus the shaft, which besides its shaft effect also has to dissipate mechanical forces, is protected against destruction.
- the rotary valves are adjustable according to the invention via a hydraulic system.
- the hydraulic operation has proven to be advantageous because it is robust enough to withstand the rough conditions. to withstand the grinding of brittle goods. It is provided that the hydraulic system engages the rotary valve on one side and engages with the other side of the telescopic hydraulic system at the height of the nip variable shaft. If the supply lines for the hydraulic systems are long enough and flexible, it is possible to raise and lower the height-variable shaft above the nip, with the hydraulic systems traveling with the shaft for opening and closing the rotary valves.
- the position of the variable in height above the nip shaft is adjusted according to the invention via a further hydraulic system, wherein it has proved to be advantageous if at least one hydraulic system is arranged on two opposite sides of the shaft.
- These hydraulic systems lift the entire shaft, on which a funnel-shaped plate is arranged, in which conveyor belts or other conveying members drop the feed.
- the feed material located in the hopper is raised or lowered again.
- the shaft is formed telescopically, and the hopper does not travel with the shaft.
- the telescopic shaft collapses and extends depending on the direction in which the shaft moves, however, it has proved to be more advantageous if just this telescopic arrangement of the shaft is not performed.
- Abrasive material can collect too easily in the telescopic attachment and disturb the telescope function.
- variable in height above the nip shaft is adjustable via a hydraulic system in height above the nip, wherein the hydraulic system on the one hand on a rack system which accommodates the variable in height over the nip shaft, and on the other hand engages at the height above the nip variable shaft.
- the hydraulic systems for lifting and lowering the shaft engage as close as possible to the shaft itself and, on the other hand, as close as possible to a vertical brace of a frame system, within which the shaft is located. and moved to prevent buckling of the shaft in the rack system under mechanical stress.
- the hydraulic system is almost vertical or slightly inclined vertically.
- the linear bearing consists in its simplest form of a U-profile, which is arranged with its opening to the outside on the shaft, and in which engages a horizontal support, which extends from the rack system to the linear bearing; while the support is firmly connected to the rack system.
- the reverse arrangement is possible in which the support is attached to the shaft and engages in a linear bearing on the frame system.
- FIG. 1 shows a high-pressure roller press with attached feeding device according to the present invention
- FIG. 2 shows the feed device according to the invention
- FIG. 3 is a side view of the feeder
- FIG 5 shows the high-pressure roller press according to Figure 1 with attached
- FIG. 1 shows a high-pressure roller press 100 on which a feeding device 200 according to the present invention is placed.
- the high-pressure roller press 100 two rollers 101 and 102, wherein roller 102 is largely hidden in this view, and the two rollers 101 and 102 form a nip 103, which passes through the feedstock 104, not shown here the feedstock 104 is crushed during the passage of the nip 103 by the high pressure prevailing therein.
- the rollers 101 and 102 are mounted in bearings 110, 111, 112 of large dimensions and the bearing 113 hidden in the drawing view (visible in FIG.
- both rollers 101 and 102 are designed as idler rollers or one of the rollers 101 and 102 is a fixed roller and the other roller is a loose roller, wherein the idler roller is arranged movably within the machine frame 120 relative to the hard roller is.
- rollers 101 and 102 rotate in opposite directions, in which example the front roller 101 has the direction of rotation indicated by arrow 123 and the second roller 102 has a corresponding opposite direction of rotation. So that the rollers 101 and 102 do not slip and do not grind against one another and thus rapidly wear out strongly, but press exclusively, it is provided that the rollers 101 and 102 rotate as much as possible with the same, but opposite rotational speed without relative slippage.
- the feeder device 200 is fixed by means of a rack system 201, wherein the rack system 201 forms a cage within which a height-adjustable shaft 202 above the nip 103 is arranged.
- Shaft 202 is mounted in linear bearings 210, 211, 212 and 213 and is connected to the frame system 201 via hydraulic rams 220, 221, 222 and a hydraulic ram 223 concealed in this view.
- the hydraulic rams 220, 221, 222 and 223 extend telescopically, thus lifting the shaft 202 out of the rack system 201.
- a larger hopper is arranged, in which conveyors or other transport devices pour feed 104, which is applied by the feeder 200 uniformly on the nip 103.
- conveyors or other transport devices pour feed 104, which is applied by the feeder 200 uniformly on the nip 103.
- the feeding device 200 is shown as a one-hand movement in FIG. 2 and explained in greater detail.
- the rack system 201 can be seen, within which a variable in height above the nip 103 shaft 202 is received, the shaft 202 is connected via hydraulic rams 220, 221, 222 and 223 to the rack system 201.
- the various hydraulic rams 220, 221, 222 and 223 each depend on a vertical struts 240, 241, 242 and 243 and attack the shaft 202 in its immediate vicinity.
- the thus diagonal arrangement of the hydraulic ram 240, 241, 242 and 243 can be clearly seen in Figure 2.
- the well 202 is supported in linear bearings 210, 211, 212, 213, with four horizontal supports 250, 251, 252 and 253 attached to the well 202, each in one of the linear bearings 210, 211, 212, 213 intervene.
- the two rotary valves 230 and 231 which are opened and closed independently of each other by hydraulic ram 260 accompanying with the shaft 202 and the hydraulic ram 261 corresponding thereto and concealed in this view.
- the hydraulic rams 260 and 261 engage at one end on the shaft 202 and each with a different end of the hydraulic ram 260 and 261 on the rotary valves 230 and 231.
- the fact that the two hydraulic rams 260 and 261 can be independently extended and retracted is the position of the two rotary Sliders 230 and 231 adjustable so that the center of the opening between the two rotary valves 230 and 231 is not located directly above the nip 103 in the installed in a high-pressure roller press 100 state. This adjustability leaves enough latitude to operate a high pressure roller press 100 equipped with this feeder 200 without vibration in an optimum operating condition.
- the shaft 202 inserted into the rack system 201 is shown in a side view in FIG. 3, from which the function of the hydraulic rams 220, 221 and the concealed hydraulic rams 222 and 223 for raising and lowering the entire shaft 202 on the one hand and the function of the hydraulic rams 260 and 261 on the other hand, to better open and close the rotary valves 230 and 231.
- FIG. 3 clearly shows that the center of the opening between the two rotary valves 230 and 231, depending on the position of the rotary valves 230 and 231, can also be located next to the center above the nip 103 (103 ').
- the rotary valve 230, 231 give the material to be ground 104 centrally above the nip 103 on the high-pressure roller press 100 and give non-symmetrical position the material to be ground 104 out of the center (103 ') above the nip 103 on the high-pressure roller press 100
- FIG. 4 shows a lower part of the shaft 202, which is depicted here without a hydraulic ram 220, 221, 222 and 223 and without a hydraulic ram 260 and 261.
- the thus separated frame system 201 is shown without moving elements and shown in Figure 5 as mounted in the machine frame 120 of a high-pressure roller press.
- the shaft 202 is hooked into the rack system 201, in which the hydraulic rams 220, 221, 222 and 223 connect and support the shaft 202 with the rack system 201.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2729880A CA2729880C (en) | 2008-07-09 | 2009-06-30 | Feed device with two rotary valves which are variable independently of each other |
| CN2009801337471A CN102137720B (zh) | 2008-07-09 | 2009-06-30 | 具有两个可彼此独立改变的旋转滑阀的给料装置 |
| EP09780041.1A EP2307144B1 (de) | 2008-07-09 | 2009-06-30 | Aufgabevorrichtung mit zwei unabhängig voneinander variierbaren drehschiebern |
| US13/000,944 US8439288B2 (en) | 2008-07-09 | 2009-06-30 | Feed device with two rotary valves which are variable independently of each other |
| AU2009268180A AU2009268180B2 (en) | 2008-07-09 | 2009-06-30 | Feed device with two rotary valves which are variable independently of each other |
| BRPI0915701A BRPI0915701A2 (pt) | 2008-07-09 | 2009-06-30 | dispositivo alimentador com duas válvulas rotativas que podem ser variadas de maneira independente uma da outra |
| DK09780041.1T DK2307144T3 (da) | 2008-07-09 | 2009-06-30 | Doseringsanlæg med to uafhængigt af hinanden varierbare drejeventiler |
| ZA2010/08402A ZA201008402B (en) | 2008-07-09 | 2010-11-24 | Feed device with two rotary valves which are variable independently of each other |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202008009234 | 2008-07-09 | ||
| DE202008009234.5 | 2008-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010003850A1 true WO2010003850A1 (de) | 2010-01-14 |
Family
ID=41112517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2009/058211 Ceased WO2010003850A1 (de) | 2008-07-09 | 2009-06-30 | Aufgabevorrichtung mit zwei unabhängig voneinander variierbaren drehschiebern |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8439288B2 (de) |
| EP (1) | EP2307144B1 (de) |
| CN (1) | CN102137720B (de) |
| AU (1) | AU2009268180B2 (de) |
| BR (1) | BRPI0915701A2 (de) |
| CA (1) | CA2729880C (de) |
| CL (1) | CL2009001544A1 (de) |
| DK (1) | DK2307144T3 (de) |
| PE (1) | PE20110473A1 (de) |
| WO (1) | WO2010003850A1 (de) |
| ZA (1) | ZA201008402B (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010005881U1 (de) | 2010-04-21 | 2010-07-29 | Khd Humboldt Wedag Gmbh | Aufgabevorrichtung für eine Hochdruckrollenpresse |
| DE102010015374A1 (de) * | 2010-04-20 | 2011-10-20 | Khd Humboldt Wedag Gmbh | Maschinenrahmen für eine Walzenpresse |
| WO2015091085A1 (de) * | 2013-12-17 | 2015-06-25 | Khd Humboldt Wedag Gmbh | Materialflussklappe für aufgabevorrichtung einer rollenpresse |
| DE102017121756B3 (de) | 2017-09-20 | 2018-08-02 | Thyssenkrupp Ag | Hochdruckwalzenpresse und Aufgabevorrichtung zur kontrollierten Zuführung von Mahlgut |
| WO2020144133A1 (de) * | 2019-01-09 | 2020-07-16 | Thyssenkrupp Industrial Solutions Ag | Walzenmühle mit aufgabeeinrichtung |
Families Citing this family (5)
| 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 |
| DE102013017134A1 (de) * | 2013-10-16 | 2015-04-30 | Pallmann Maschinenfabrik Gmbh & Co. Kg | Vorrichtung zum Bearbeiten von schüttfähigem Aufgabegut |
| CA2960677C (en) * | 2016-04-28 | 2022-04-12 | Gerard DEVLOO | Canola seed sample crusher |
| DE102019120469B4 (de) * | 2019-07-30 | 2025-07-24 | Khd Humboldt Wedag Gmbh | Aufgabevorrichtung für eine Hochdruckwalzenpresse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742083A1 (de) * | 1987-12-11 | 1989-06-22 | Kloeckner Humboldt Deutz Ag | Zweiwalzenmaschine wie z. b. walzenpresse |
| DE4226182A1 (de) * | 1992-08-07 | 1994-02-10 | Kloeckner Humboldt Deutz Ag | Anlage und Verfahren zur Druckbehandlung körnigen Gutes |
| DE4314413A1 (de) * | 1993-05-04 | 1994-11-10 | Heidenauer Maschf Gmbh | Verfahren zum Beschicken einer Walzenreibmaschine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1245257B (de) * | 1965-02-23 | 1967-07-20 | Alois Heger | Vorrichtung zum Zerkleinern von insbesondere festen, koernerartigen Stoffen |
| DE2044140A1 (de) * | 1970-09-05 | 1972-03-16 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Großkreiselbrecher |
| DE3438310A1 (de) | 1984-10-19 | 1986-04-24 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Vorrichtung zur vergleichmaessigung der aufgabe von aufgabegut ueber eine aufgabeschleuse, insbesondere eine doppelklappenschleuse, in eine zerkleinerungsmaschine |
| DE3907830A1 (de) * | 1989-03-10 | 1990-09-13 | Krupp Polysius Ag | Gutbettwalzenmuehle |
| US5048763A (en) * | 1990-02-21 | 1991-09-17 | Fuller Company | Multi-pass roll crusher |
| DE4006971A1 (de) | 1990-03-06 | 1991-09-12 | Bayer Ag | Vorrichtung zum einfuellen von koernigen feststoffen in eine zerkleinerungsmaschine |
| DE4010405A1 (de) * | 1990-03-31 | 1991-10-02 | Buehler Ag | Speisevorrichtung fuer ein mahlwalzwerk |
| US5076504A (en) * | 1990-05-31 | 1991-12-31 | Animal Health Sales | Poultry pulverizer |
| DE4228058C2 (de) * | 1992-08-24 | 1995-04-20 | Kloeckner Humboldt Deutz Ag | Anlage und Verfahren zur Druckbehandlung körnigen Gutes |
| DE19632976A1 (de) | 1996-08-16 | 1998-02-19 | Deutz Ag | Zweiwalzenmaschine und Verfahren zur Druckbehandlung körnigen Gutes |
| SE529644C2 (sv) * | 2005-07-08 | 2007-10-09 | Metso Minerals Wear Prot Ab | Infästningsspindel samt infästningsförfarande |
-
2009
- 2009-06-30 WO PCT/EP2009/058211 patent/WO2010003850A1/de not_active Ceased
- 2009-06-30 US US13/000,944 patent/US8439288B2/en not_active Expired - Fee Related
- 2009-06-30 CA CA2729880A patent/CA2729880C/en not_active Expired - Fee Related
- 2009-06-30 DK DK09780041.1T patent/DK2307144T3/da active
- 2009-06-30 EP EP09780041.1A patent/EP2307144B1/de not_active Not-in-force
- 2009-06-30 BR BRPI0915701A patent/BRPI0915701A2/pt not_active IP Right Cessation
- 2009-06-30 CN CN2009801337471A patent/CN102137720B/zh not_active Expired - Fee Related
- 2009-06-30 AU AU2009268180A patent/AU2009268180B2/en not_active Ceased
- 2009-06-30 PE PE2010001123A patent/PE20110473A1/es not_active Application Discontinuation
- 2009-07-08 CL CL2009001544A patent/CL2009001544A1/es unknown
-
2010
- 2010-11-24 ZA ZA2010/08402A patent/ZA201008402B/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742083A1 (de) * | 1987-12-11 | 1989-06-22 | Kloeckner Humboldt Deutz Ag | Zweiwalzenmaschine wie z. b. walzenpresse |
| DE4226182A1 (de) * | 1992-08-07 | 1994-02-10 | Kloeckner Humboldt Deutz Ag | Anlage und Verfahren zur Druckbehandlung körnigen Gutes |
| DE4314413A1 (de) * | 1993-05-04 | 1994-11-10 | Heidenauer Maschf Gmbh | Verfahren zum Beschicken einer Walzenreibmaschine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010015374A1 (de) * | 2010-04-20 | 2011-10-20 | Khd Humboldt Wedag Gmbh | Maschinenrahmen für eine Walzenpresse |
| DE102010015374B4 (de) * | 2010-04-20 | 2015-03-12 | Khd Humboldt Wedag Gmbh | Maschinenrahmen für eine Walzenpresse |
| DE202010005881U1 (de) | 2010-04-21 | 2010-07-29 | Khd Humboldt Wedag Gmbh | Aufgabevorrichtung für eine Hochdruckrollenpresse |
| WO2011131428A1 (de) | 2010-04-21 | 2011-10-27 | Khd Humboldt Wedag Gmbh | Aufgabevorrichtung für eine hochdruckrollenpresse |
| CN102740979A (zh) * | 2010-04-21 | 2012-10-17 | Khd洪保德韦达克有限公司 | 用于高压辊压机的进料装置 |
| CN102740979B (zh) * | 2010-04-21 | 2014-09-10 | Khd洪保德韦达克有限公司 | 用于高压辊压机的进料装置 |
| WO2015091085A1 (de) * | 2013-12-17 | 2015-06-25 | Khd Humboldt Wedag Gmbh | Materialflussklappe für aufgabevorrichtung einer rollenpresse |
| DE102017121756B3 (de) | 2017-09-20 | 2018-08-02 | Thyssenkrupp Ag | Hochdruckwalzenpresse und Aufgabevorrichtung zur kontrollierten Zuführung von Mahlgut |
| WO2020144133A1 (de) * | 2019-01-09 | 2020-07-16 | Thyssenkrupp Industrial Solutions Ag | Walzenmühle mit aufgabeeinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110114772A1 (en) | 2011-05-19 |
| PE20110473A1 (es) | 2011-07-09 |
| AU2009268180B2 (en) | 2014-04-10 |
| ZA201008402B (en) | 2011-12-28 |
| EP2307144A1 (de) | 2011-04-13 |
| US8439288B2 (en) | 2013-05-14 |
| CA2729880C (en) | 2017-08-01 |
| CL2009001544A1 (es) | 2010-04-05 |
| AU2009268180A1 (en) | 2010-01-14 |
| CN102137720A (zh) | 2011-07-27 |
| BRPI0915701A2 (pt) | 2015-10-27 |
| DK2307144T3 (da) | 2014-01-13 |
| CN102137720B (zh) | 2013-06-05 |
| EP2307144B1 (de) | 2013-09-18 |
| CA2729880A1 (en) | 2010-01-14 |
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