WO2022106062A1 - Walzenstuhl mit verbesserter produktsammlung - Google Patents
Walzenstuhl mit verbesserter produktsammlung Download PDFInfo
- Publication number
- WO2022106062A1 WO2022106062A1 PCT/EP2021/025453 EP2021025453W WO2022106062A1 WO 2022106062 A1 WO2022106062 A1 WO 2022106062A1 EP 2021025453 W EP2021025453 W EP 2021025453W WO 2022106062 A1 WO2022106062 A1 WO 2022106062A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- product
- roller mill
- pipeline
- outlet opening
- trimeile
- Prior art date
Links
- 238000000227 grinding Methods 0.000 claims abstract description 34
- 239000013590 bulk material Substances 0.000 claims abstract description 11
- 241001465754 Metazoa Species 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 235000013305 food Nutrition 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 description 56
- 239000000463 material Substances 0.000 description 8
- 235000013339 cereals Nutrition 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 244000098338 Triticum aestivum Species 0.000 description 3
- 235000007264 Triticum durum Nutrition 0.000 description 3
- 241000209143 Triticum turgidum subsp. durum Species 0.000 description 3
- 240000008620 Fagopyrum esculentum Species 0.000 description 2
- 235000009419 Fagopyrum esculentum Nutrition 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000283153 Cetacea Species 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000003834 Triticum spelta Species 0.000 description 1
- 235000004240 Triticum spelta Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/06—Crushing or disintegrating by roller mills with two or more rollers specially adapted for milling grain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C11/00—Other auxiliary devices or accessories specially adapted for grain mills
-
- 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
Definitions
- the present invention relates to a roller mill for the production of food and animal feed with improved product collection.
- roller mills and their application are well known.
- An exemplary roller mill from the prior art is shown in FIG. 1, with only the most important components being identified in more detail.
- the roller mill 1' includes an inlet 2' (for example a funnel) through which the material to be ground is fed to roller pairs 3' and 4'. The ground material then leaves the roller mill 1' through trimelles 5', into which it falls due to gravity.
- the trimels 5' which can be outlet funnels, for example, are guided through a floor 6' on which the roller mill 1 is arranged. Below the floor 6', the trimelles 5' open into a transport device (not shown), with which the material is conveyed further mechanically or pneumatically.
- Such a roller mill has some disadvantages. Since the trimelle 5' protrude through the floor 6' on which the roller mill 1' is located, an additional floor of the building must be provided below the floor 6', in which the removal device described above can be arranged.
- Roller mills are also known in which the product is conveyed away via direct suction.
- two collecting trimmels for the product are arranged on each roller mill side within the roller mill.
- a vacuum-pneumatic transport is then arranged for each collecting trimelle, ie four riser pipes are to be provided.
- larger roller mills e.g. a length of 1500 mm
- to provide bulges for the collecting trimellae e.g. a length of 1500 mm
- US Pat. No. 2,717,124 describes a roll mill with a closed trimelle (hopper). A suction tube is guided into the trimeile, into which the product is sucked and conveyed upwards through the roller mill.
- the present object is achieved by the roller mill according to the invention for the production of foodstuffs and animal feed.
- the present invention relates to a roller mill for the production of food and animal feed, comprising a product inlet, a grinding chamber with grinding rollers, into which bulk material to be ground can pass from the product inlet, and a product outlet unit arranged below the grinding chamber, into which product from the Grinding chamber can reach, characterized in that the product outlet unit comprises a Trimeile, which has a screw conveyor in its lower area facing away from the grinding chamber, wherein the screw conveyor has two oppositely conveying sections to product from the lower area of the Trimeile to an outlet opening in the floor area to carry the trimeile .
- the present invention is characterized by a special product outlet unit. This product outlet unit comprises a trim mile. Trimelles and their use in roller mills are well known.
- a trimeile is a prism-shaped unit with an essentially triangular cross-section, the base area being oriented towards the grinding chamber and the end remote from the base area being able to be rounded.
- the roller mill according to the invention for the production of foodstuffs and animal feed has a single trim line, which extends over the entire width of the roller mill.
- the base area of this trimeile is particularly preferably completely open to the grinding chamber of the roll mill, so that ground product can get from the grinding chamber into the trimeile over the entire width of the trimeile.
- corresponding trimelles can be arranged next to one another and together extend over the entire width of the roll mill.
- the trimeile In its lower area, facing away from the grinding chamber, the trimeile has a screw conveyor, i . H . at the end facing away from the base.
- the end of the trimeile facing away from the base is rounded in order to be able to optimally accommodate the screw conveyor.
- the auger runs the full length of the lower portion of the trimeile. It is rotatably mounted at the two lateral ends of the trimeile.
- a motor for moving the auger is operatively connected to the auger.
- the motor is preferably arranged at a lateral end of the trim mile, preferably fastened in a detachable manner.
- any motor commonly used for the movement of screw conveyors can be used. It is preferably a geared motor, particularly preferably an electric motor.
- the conveying screw arranged in the trimeile has two sections conveying in opposite directions.
- screw elements are arranged on one section of the screw conveyor, which cause product promotion from left to right, while screw elements are arranged in another section of the screw conveyor, which cause product promotion from right to left.
- the provision of two contra-conveying sections of the screw conveyor serves to convey product from the lower area of the trimeile to an outlet opening in the bottom area of the trimelle. With the help of the oppositely conveying sections of the screw conveyor, product is conveyed to the outlet opening from areas of the trimeile located on both sides of the outlet opening.
- the screw elements are arranged at least in the area of the trimelle which is open to the milling chamber.
- the base area of this trimeile is completely open to the grinding chamber of the roller mill, so that ground product from the grinding chamber can get into the trimeile over the entire width of the trimeile.
- screw elements are arranged over the entire width of the trimeile, with the exception of the area in which the outlet opening is located.
- the sections of the screw conveyor conveying in opposite directions are connected to one another via an uninterrupted shaft, d. H . that only a single auger is provided.
- a single screw conveyor is subject to significantly fewer vibrations.
- product falling into the trim line is conveyed by the auger from both side portions of the trim line to a single outlet opening.
- This outlet opening has dimensions that ensure continuous discharge of the product from the trimeile, even in mass flow operation, without clogging and blockages occurring. The exact dimensions can be routinely determined by one skilled in the art.
- the outlet opening is most preferably located in the center of the bottom surface of the trim mile, ie. H . it is equidistant from both lateral ends of the trimeile .
- a component can be provided in the area of the outlet opening, which is intended to prevent product accumulation in this area.
- this can be a pin.
- the outlet opening opens into a pipeline, d. H .
- the outlet opening is connected to one located below the outlet opening pipe connected.
- the product is conveyed away from the roller mill through this pipeline.
- the outlet opening is preferably connected to the pipeline in such a way that the product gets from the outlet opening into the pipeline with the gentlest possible deflections. In this way, the risk of the outlet opening becoming clogged or blocked is reduced.
- the outlet opening is preferably designed in the form of a so-called feed shoe, in which an opening in the bottom area of the trim mile is connected to an opening in the top area of the pipeline via vertical or slightly inclined or curved side walls. In this embodiment, a transfer of product from the trimeile into the pipeline in a substantially vertical direction is ensured.
- the pipeline is arranged at an angle of approximately 90° to the trim mile, ie. H . in the area of the outlet opening, an imaginary line along the longest dimension (i.e. the width) of the trimelle and an imaginary central axis through the pipeline are on top of one another in such a way that they form an angle in the range from 60° to 120°, particularly preferably of 90° include.
- the pipeline for transporting the product away from the roller mill is constructed analogously to conventional pipelines for transporting product away from a roller mill.
- the product is preferably transported away pneumatically, particularly preferably pneumatically.
- the pipe is preferably connected to an air suction unit.
- the pipeline is arranged in a section below the trim mile and has an upward bend beyond the trim mile in order to be guided upwards laterally past the trim mile.
- the pipeline thus has a vertically upwardly located section which is connected via a bent element to the section of pipeline located below the trim mile.
- the pipeline is arranged on the trimeile in a removable manner, for example with one or more screw connections.
- the pipeline can also have additional attachment means for attachment to the whale chair itself, for example one or more additional screw connections.
- the product can be transported away without providing additional structural height within the machine.
- the roller mill can be placed directly on the floor. It is not necessary to provide an additional building floor, as is required in the prior art.
- the number of trimelles required can be reduced to one trimelle per side (and correspondingly one pneumatic pipeline per side).
- the product outlet unit according to the invention can be used with any conventional roller mill.
- the use for roller mills for the production of food and animal feed is preferred.
- the present invention thus relates to a product outlet unit comprising a trim mile, which has a conveyor screw in its lower area facing away from its base area, the conveyor screw having two sections conveying in opposite directions, in order to convey product from the lower area of the trim mile to an outlet opening in the bottom area of the trim mile carry.
- the product outlet unit according to the invention is constructed as described above.
- the roller mill can have one or two of the product outlet units according to the invention.
- the roller mill according to the invention for the production of food and animal feed is preferably used for the production of flour from grain and from the processing of grain milling products and grain end products from milling (in particular milling soft wheat, durum, rye, corn and/or barley) or special milling (in particular hulling and/or or milling soya, buckwheat, barley, spelt, millet/sorghum, pseudocereals and/or legumes), this being in particular bread wheat, durum wheat, corn or buckwheat.
- Bread wheat is also known as Triticum aevestivum and durum wheat as Triticum durum.
- rice is also understood to be grain.
- the roller mill according to the invention is also suitable for producing feed for livestock and domestic animals, fish and crustaceans.
- the roller mill is characterized by at least one grinder.
- Such roller mills are known, for example, from EP-0 944 433 A1, EP-0 991 473 A1, WO 2019/224 399 A1 and WO 2019/229 014 A1, to the corresponding content of which reference is made.
- the present invention further relates to a method for grinding bulk material with a roller mill according to the invention, comprising the steps of a) introducing bulk material into the product inlet; b) Grinding of the bulk material in the grinding chamber using the grinding rollers and transfer of the ground product to the trimeile; c) Conveyance of the ground product through the conveyor screw arranged in the trimeile to an outlet opening.
- the ground product is then transferred to the trimeile of the roller mill according to the invention. This occurs through the influence of gravity, in that the product falls out of the grinding chamber through the open base of the Trimeile into the Trimelle.
- conveyance of the ground product is performed by the auger located in the trim mile to an outlet opening as described above.
- the oppositely conveying sections of the screw conveyor cause the product to be conveyed from both areas to the side of the outlet opening in the bottom of the trimeile to the outlet opening.
- the product conveyed into the outlet opening is transferred into the pipeline. As described above, this is preferably done with the gentlest possible deflections, i. H . the direction of movement of the product changes as little as possible during the transfer.
- the product is conveyed away from the roll mill as described above. This is preferably done pneumatically, particularly preferably pneumatically.
- FIG. Figure 1 is a schematic view of a prior art roller mill for the production of food and animal feed
- Fig. 2 shows a schematic view of a roller mill according to the invention for the production of foodstuffs and animal feed
- Fig. 3 shows a schematic view of the product outlet unit according to the invention
- Fig. 4 shows a further schematic view of the product outlet unit according to the invention
- Fig. Fig. 1 shows a schematic view of a roller mill for the production of foodstuffs and animal feed from the prior art Technology, with only the most important components being identified in more detail.
- the roller mill 1' includes an inlet 2' (for example a funnel) through which the material to be ground is fed to roller pairs 3' and 4'. The ground material then leaves the roller mill 1' through trimelles 5', into which it falls due to gravity.
- the trimels 5' which can be outlet funnels, for example, are guided through a floor 6' on which the roller mill 1 is arranged. Below the floor 6', the trimelles 5' open into a transport device (not shown), with which the material is conveyed further mechanically or pneumatically.
- the roller mill 1 comprises an inlet 2 (for example a funnel) through which the material to be ground is fed to pairs of rollers 3 and 4 .
- the ground material then leaves the roller mill 1 through trimelles 5, into which it falls due to gravity.
- the trimelles 5 have in their center an outlet opening 7 in the form of a feed shoe, through which product enters the pipeline 8 .
- the components 5, 7 and 8 together form a product outlet unit P.
- the roller mill 1 stands on a floor 6 with the help of legs 9.
- FIG. 3 shows a schematic view of the product outlet unit P according to the invention.
- the screw 10 In trim mile 5 there is a of the screw 10 , which has a section 10a conveying from left to right and a section 10b conveying from right to left . Between these sections 10a and 10b there is a section 10c without screw elements in the area of the outlet opening 7 .
- the screw conveyor 10 is rotatably mounted on the lateral ends of the trim strip 5 .
- the auger 10 is connected to a motor 11 by which it is driven.
- the pipeline 8 runs horizontally below the trimeile. Behind the trimeile 5, the pipeline 8 has a bend and transitions into a vertical area 8a.
- Fig. 4 is a longitudinal section through the product outlet unit P according to FIG. 3 , where like reference numerals indicate like components .
- the shape of the feed shoe 7 can be seen, which connects the opening in the bottom of the trim strip 5 with the opening in the top of the pipeline 8 in such a way that the product is transferred from the trimelle 5 into the pipeline 8 with the gentlest possible deflections becomes .
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
- Fodder In General (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/252,966 US20230415162A1 (en) | 2020-11-20 | 2021-11-19 | Roll frame with improved product collection |
JP2023526167A JP2023548309A (ja) | 2020-11-20 | 2021-11-19 | 生産物収集が改善されたロールフレーム |
CN202180074193.3A CN116367925A (zh) | 2020-11-20 | 2021-11-19 | 具有提高的产物收集性能的辊架 |
KR1020237020210A KR20230101919A (ko) | 2020-11-20 | 2021-11-19 | 개선된 생성물 수집을 갖는 롤 프레임 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20208848.0A EP4000734A1 (de) | 2020-11-20 | 2020-11-20 | Walzenstuhl mit verbesserter produktsammlung |
EP20208848.0 | 2020-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022106062A1 true WO2022106062A1 (de) | 2022-05-27 |
Family
ID=73543074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/025453 WO2022106062A1 (de) | 2020-11-20 | 2021-11-19 | Walzenstuhl mit verbesserter produktsammlung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230415162A1 (de) |
EP (1) | EP4000734A1 (de) |
JP (1) | JP2023548309A (de) |
KR (1) | KR20230101919A (de) |
CN (1) | CN116367925A (de) |
WO (1) | WO2022106062A1 (de) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB687322A (en) * | 1951-05-03 | 1953-02-11 | Thomas Robinson & Son Ltd | Improvements in and relating to milling machinery |
US2717124A (en) | 1951-11-21 | 1955-09-06 | Thomas Robinson & Son Ltd | Roller mill with pneumatic discharge-material conveyor |
EP0944433A1 (de) | 1996-12-13 | 1999-09-29 | Bühler AG | Speisemodul für einen walzenstuhl |
EP0991473A1 (de) | 1997-06-23 | 2000-04-12 | Bühler Ag | Speisesensorik |
DE102015118355A1 (de) * | 2015-10-27 | 2017-04-27 | Lemken Gmbh & Co. Kg | Dosiereinrichtung einer landwirtschaftlichen Verteilmaschine |
WO2019224399A1 (de) | 2018-05-25 | 2019-11-28 | Bühler AG | Verteil-dosiervorrichtung für einen walzenstuhl, walzenstuhl mit einer solchen verteil-dosiervorrichtung, verfahren zum mahlen von mahlgut sowie walzenstuhl mit einem schaltschrank mit einer kühlung |
WO2019229014A2 (de) | 2018-05-28 | 2019-12-05 | Bühler AG | Walzenpakete für vermahlungsvorrichtungen, vermahlungsvorrichtungen und verfahren |
-
2020
- 2020-11-20 EP EP20208848.0A patent/EP4000734A1/de active Pending
-
2021
- 2021-11-19 US US18/252,966 patent/US20230415162A1/en active Pending
- 2021-11-19 JP JP2023526167A patent/JP2023548309A/ja active Pending
- 2021-11-19 CN CN202180074193.3A patent/CN116367925A/zh active Pending
- 2021-11-19 KR KR1020237020210A patent/KR20230101919A/ko unknown
- 2021-11-19 WO PCT/EP2021/025453 patent/WO2022106062A1/de active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB687322A (en) * | 1951-05-03 | 1953-02-11 | Thomas Robinson & Son Ltd | Improvements in and relating to milling machinery |
US2717124A (en) | 1951-11-21 | 1955-09-06 | Thomas Robinson & Son Ltd | Roller mill with pneumatic discharge-material conveyor |
EP0944433A1 (de) | 1996-12-13 | 1999-09-29 | Bühler AG | Speisemodul für einen walzenstuhl |
EP0991473A1 (de) | 1997-06-23 | 2000-04-12 | Bühler Ag | Speisesensorik |
DE102015118355A1 (de) * | 2015-10-27 | 2017-04-27 | Lemken Gmbh & Co. Kg | Dosiereinrichtung einer landwirtschaftlichen Verteilmaschine |
WO2019224399A1 (de) | 2018-05-25 | 2019-11-28 | Bühler AG | Verteil-dosiervorrichtung für einen walzenstuhl, walzenstuhl mit einer solchen verteil-dosiervorrichtung, verfahren zum mahlen von mahlgut sowie walzenstuhl mit einem schaltschrank mit einer kühlung |
WO2019229014A2 (de) | 2018-05-28 | 2019-12-05 | Bühler AG | Walzenpakete für vermahlungsvorrichtungen, vermahlungsvorrichtungen und verfahren |
Also Published As
Publication number | Publication date |
---|---|
KR20230101919A (ko) | 2023-07-06 |
US20230415162A1 (en) | 2023-12-28 |
JP2023548309A (ja) | 2023-11-16 |
EP4000734A1 (de) | 2022-05-25 |
CN116367925A (zh) | 2023-06-30 |
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