EP0500705A1 - Zerkleinerungsvorrichtung. - Google Patents
Zerkleinerungsvorrichtung.Info
- Publication number
- EP0500705A1 EP0500705A1 EP90917141A EP90917141A EP0500705A1 EP 0500705 A1 EP0500705 A1 EP 0500705A1 EP 90917141 A EP90917141 A EP 90917141A EP 90917141 A EP90917141 A EP 90917141A EP 0500705 A1 EP0500705 A1 EP 0500705A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shredding
- roller
- comminution
- disks
- rollers
- 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.)
- Granted
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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
- B02C18/182—Disc-shaped knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
- B30B9/321—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans
- B30B9/325—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans between rotary pressing members, e.g. rollers, discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0069—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents with stripping 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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type
Definitions
- the invention relates to a shredding device in particular for waste material with a drive and with a housing having an upper filler opening, in the lower part of which a pair of counter-rotating, interlocking shredding rollers is arranged, each having a plurality of gear-like shredding disks axially by spacer disks are spaced and the teeth form circumferential cutting elements.
- Such a shredding device is known for example from DE-PS 12 91 606 or AT-PS 359 812.
- the gear-like grinding disks of one roller engage there in the spaces formed by the spacers between the other roller.
- Each comminution roller is arranged on a shaft which is connected to a common drive motor via a gear outside the work area. Since heavily fluctuating loads occur, the gearbox must be solidly designed.
- the invention has now set itself the task of forming one of the comminution device such that both comminution rollers are driven by a drive motor without intermediate drives.
- a crushing roller is provided with the drive and in that the teeth of the crushing roller mesh with the teeth of the crushing disks of the second non-driven crushing roller.
- the power transmission between de shredding rollers directly over the entire length via di gear-like shredding disks whereby there is an additional advantage that a positive connection in circumferential direction between the non-driven shaft and the shredding disks arranged thereon is unnecessary.
- the height of the teeth is greater than their depth of engagement. Due to the difference between tooth height and engagement depth, sufficient space remains for the shredded material in each tooth gap despite the engaging tooth of the other shredding disk.
- the shredding rollers can have different diameters, the smaller shredding roller being provided with the drive. As a result, not only are the different circumferential speeds of the two comminution rollers that favor the comminution achieved, but also a power-saving translation takes place, which makes it possible to use a drive motor with a smaller dimension.
- the thickness of the comminution disks is greater than the thickness of the spacer disks.
- the shredding disks of the two shredding rollers can then be axially offset from one another, so that the two side areas of each shredding disk engage in the mutually facing side areas of the two opposing shredding disks.
- the latter embodiment leads to further advantages due to the aligned interspaces.
- Crushing devices with three crushing rollers are known per se, for example from DE-OS 32 34 4 or DE-OS 26 00 454.
- the crushing disks of the two upper crushing rollers are offset, the third one below engages Roll only in one of the two crushing rollers (DE-OS 32 34 485), or in neither of the two Ze rollers (DE-OS 26 00 454).
- Post-shredding is thus incomplete, and the clearing of fixed material parts can be done from at most one shredding roller.
- the toothed disks of the third roller can have teeth which are bounded by approximately V-shaped, rounded cutouts, the toothed disks of the third roller thus resemble chain gears, this shape having proven to be particularly favorable for the secondary comminution and the removal.
- the speed of the third roller is of no particular importance, but it has been shown to be particularly advantageous if the speed of the third roller is large. If the material to be comminuted has little or no long-fiber content, a particularly advantageous design provides that the third roller is arranged in the center plane between the two comminuting rollers and the toothed disks of the third roller on spacer disks between the shredding disks of both shredding rollers are approximated. Since this design is completely symmetrical, only the same deflector elements can be used. It has proven to be advantageous here if the axes of the three rollers are determined approximately by the corner points of an equilateral triangle.
- deflection elements which are arranged fixed to the housing and which are approximated to the spacer disks extend between the comminution disks. In this way, a return of the material outside the shredding rollers to the side of the inlet opening is prevented.
- a favorable embodiment provides that a deflection element on the side of the filling opening extends between the shredding disks of the opposing shredding roller. This avoids operational disruptions due to the feeding of oversized, jammed pieces of material between the shredding rollers.
- the deflecting element preferably ends in a cutting edge which projects beyond the teeth of the comminution disk adjoining on both sides.
- the squeezing of, in particular, long-fiber material between the toothed disks of the third roller and the spacer disks of the counter-rotating crushing roller can also be prevented in a preferred embodiment if the third roller is arranged at a distance from a central plane between the two crushing rollers and the toothed disks of the third roller on the one hand on spacer disks between the comminution disks of the comminuting roller rotating in the same direction and on the other hand on the between the comminution disks which rotate in opposite directions.
- the shredding roller arranged deflector are approximated.
- each deflector element has a cutting edge directed towards the third roller.
- FIG. 1 shows a vertical section along the line I-I of FIG. 1 through a first embodiment
- FIG. 2 shows a partial horizontal section along the line II-II of FIG. 1
- FIG. 3 is a schematic plan view of a second exemplary embodiment
- Fig. 8 is a vertical section through a third embodiment example.
- a shredding device is used in particular for the reduction of not too bulky, in particular compostable waste of all kinds, such as paper, cardboard, wood, gar ten waste, etc. and has a housing 1 in which two interlocking, horizontally running shredding rollers 2.3 are arranged side by side.
- Each shredding roller 2,3 comprises a in the side walls of the housing 1 ge mounted shaft 4 5, on which, with the interposition of di punching disks 1.
- Shredding disks 6 are arranged at an axial distance from one another.
- Each shredding disk 6 is provided on the circumference with uniform cutting elements in the form of teeth 7, so that it is similar to a gearwheel.
- the thickness of each reduction disk 6 is preferably greater than the width de in each case given by the spacers 13 spacing 18.
- the teeth 7 of each two grinding disks 6 engage in one another, the depth h of the tooth spaces 8 being greater than the engagement depth a. This forms a receiving space for the material crushed between the teeth 7, which is further enlarged by a tapering of the tooth base 10.
- a comminution roller 3 is thus driven by the other comminution roller 2, which is associated with a drive 17, not shown in detail.
- each side wall carries a scraper strip 26, in order to prevent the penetration of material in the event of a brief, temporary reversal of the direction of rotation of the comminution rollers 2, 3 indicated by arrows.
- a third, driven roller 2 is provided below the two shredding rollers 2, 3, which is also composed of spacer disks 25 and toothed disks 22 and the direction of rotation of which is big.
- Some V-shaped, rounded cutouts 24 are provided between the teeth 23 of the toothed disk 22.
- the toothed disks 22 are in each case aligned with two spacers 13 of the two comminuting rollers 2, 3 opposite each other and with the deflecting elements 14 supporting them, and thus engage in the spaces 18 between the two comminuting rollers 2, 3. From the teeth 7 of the crushing disks 6 zer shredded material falls down and is transferred over the underlying spacer 25 of the third roller 21 into an outlet 12.
- the teeth 23 cause a possible Nachzerklei ntation, as well as clearing out between the teeth 7 of the Zer reduction discs 6 imposing material un also passed into the outlet 12.
- the arrangement of the third roller 21 is asymmetrical, so that its teeth 23 are approximated to the spacer disk 13 of the comminuting roller 2 rotating in the same direction, a gap of approximately 0 to 5 mm remaining.
- the teeth 13 moving in opposite directions in the grip area in the inter mediate space 18 can take over or jamming material. Due to the asymmetry, the passage gap between the teeth 23 and the counter-rotating second Zerklei n ceremoniesswalze 3 is larger and is several centimeters.
- the third roller 21 can also be arranged symmetrically, that is to say in the center plane between the two comminution rollers 2, 3, the teeth 23 then each on the spacers 13 of both comminution rollers 2, 3 are approximated.
- deflecting or guiding elements 14 are shown which partially bridge the feed gap on the side of the filling opening 11 and each extend into the opposing comminution roller 2, 3. These deflecting elements end in a cutting edge 20 which protrude radially beyond the teeth 7 of the comminution disks 6. The feed gap for the material to be shredded is thereby also reduced in the spaces between the shredding disks 6 and the shredding effect is also improved by the additional cutting edge 20.
- the deflecting elements 14 carrying the cutting edge 20 alternately enclose every second spacer 13 on the shafts 4, 5, so that they appear in a comb-like manner.
- the roller 21 shown in FIGS. 1 and 2 is also preferably provided in this embodiment, but is not shown for reasons of clarity.
- the arrangement of deflecting and guiding elements 14 according to FIGS. 3 to 7 is also possible, which are led to the side of the filling opening 11.
- each comminution disk 6 of the two comminution rollers 2, 3 are arranged in axial displacement, so that each comminution disc 6 has an intermediate space 18 in the other comminution roller 3, 2, which is due to the diameter compared to the adjacent grinding disks 6 smaller spacer 13 is determined.
- Each shredding disk 6 engages (with the exception of two disks arranged at the end) in each case two opposing crushing disks 6, so an even strain; ng of the individual teeth 7 is given both during crushing and power transmission.
- This version does not allow a staggered arrangement of teeth 7, but this could be achieved if the Ze reduction discs 6 are helically toothed or have axially set double teeth.
- the height h of the teeth 7 is preferably greater than twice the engagement depth a, so that a large receiving space is achieved at the bottom of each tooth gap 8 for material entering the toothing.
- open Ausappelu gene 9 facilitate the material leakage, so that the bottom of each tooth gap 8 is formed like a cutting edge.
- the shredded material falls through the outlet 12 downwards.
- the outlet 12 leads in a funnel-like manner to a channel-shaped carrier 15, in which a screw conveyor 16 is arranged. This can be continued in a machine part arranged outside the comminution device as a press screw for pressing the comminuted material.
- the funnel-like feed is limited by the reject or Leitele elements 14, which are fixed on the support 15 lying fixie and each protrude into a space 18 between two Zer reduction discs 6 to the respective spacer 1.
- the screw conveyor 16 described can of course also be connected to the outlet 1 in the embodiments of FIGS. 1 to 7.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
- Saccharide Compounds (AREA)
- Crushing And Grinding (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8913711U DE8913711U1 (de) | 1989-11-21 | 1989-11-21 | Zerkleinerungsvorrichtung |
DE8913711U | 1989-11-21 | ||
AT1330/90 | 1990-06-22 | ||
AT133090A AT398172B (de) | 1990-06-22 | 1990-06-22 | Zerkleinerungsvorrichtung |
PCT/AT1990/000111 WO1991007229A1 (de) | 1989-11-21 | 1990-11-20 | Zerkleinerungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0500705A1 true EP0500705A1 (de) | 1992-09-02 |
EP0500705B1 EP0500705B1 (de) | 1994-07-13 |
Family
ID=25595564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90917141A Expired - Lifetime EP0500705B1 (de) | 1989-11-21 | 1990-11-20 | Zerkleinerungsvorrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0500705B1 (de) |
AT (1) | ATE108344T1 (de) |
DE (1) | DE59006451D1 (de) |
WO (1) | WO1991007229A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4142054A1 (de) * | 1991-12-19 | 1993-06-24 | Linde Ag | Zerkleinerung von bahnfoermigem material |
EP1757438A1 (de) * | 2005-08-26 | 2007-02-28 | Mayer, Peter | Presse zum Verpressen von Verpackungsleergut |
CN102284315B (zh) * | 2011-06-16 | 2013-03-27 | 沈阳恒兴机械有限公司 | 砧板式梳状剪刃碎料装置 |
DE102012216914B4 (de) * | 2012-09-20 | 2017-01-05 | Hammel GmbH & Co.KG | Zerkleinerungsvorrichtung |
ES2705687T3 (es) * | 2013-11-05 | 2019-03-26 | Tepha Inc | Composiciones y dispositivos de poli-4-hidroxibutirato |
CN103990532B (zh) * | 2014-06-04 | 2016-08-17 | 镇江市丹徒区天源机械配件厂 | 卫生纸巾自动洁净器 |
CN105195277A (zh) * | 2015-10-22 | 2015-12-30 | 北京矿冶研究总院 | 破碎机 |
CN110065162B (zh) * | 2019-05-29 | 2023-12-19 | 长安大学 | 一种具有挤压和提料作用的双立轴高性能混凝土搅拌机 |
CN115475410B (zh) * | 2022-09-26 | 2023-12-12 | 青岛羽翎珊家纺织品集团有限公司 | 一种纺织品检测偶氮染料提取装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2548760C2 (de) * | 1975-10-31 | 1977-12-29 | Goergen, Fritz-Aurel, Dr., Cologny (Schweiz) | Verfahren zur Aufbereitung und Verbrennung von Abfällen |
CH604896A5 (en) * | 1977-03-31 | 1978-09-15 | Sopac Trade Ag | Double parallel cutter refuse grinding machine |
DE2943570A1 (de) * | 1979-10-29 | 1981-04-30 | Peter 5439 Bretthausen Voelskow | Zerkleinerungsmaschine fuer sperrige abfaelle |
CH665363A5 (de) * | 1983-11-16 | 1988-05-13 | Abla Consultancy International | Vorrichtung zum brechen und/oder entschalen von kerngut. |
DE3705623A1 (de) * | 1987-02-21 | 1988-09-01 | Ehinger Adolf Eba Maschf | Zerkleinerungsvorrichtung, insbesondere aktenvernichter |
-
1990
- 1990-11-20 EP EP90917141A patent/EP0500705B1/de not_active Expired - Lifetime
- 1990-11-20 AT AT90917141T patent/ATE108344T1/de not_active IP Right Cessation
- 1990-11-20 WO PCT/AT1990/000111 patent/WO1991007229A1/de active IP Right Grant
- 1990-11-20 DE DE59006451T patent/DE59006451D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9107229A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59006451D1 (de) | 1994-08-18 |
ATE108344T1 (de) | 1994-07-15 |
WO1991007229A1 (de) | 1991-05-30 |
EP0500705B1 (de) | 1994-07-13 |
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