EP0327610A1 - Dispositif permettant l'epluchage et l'egrenage des grains de mais - Google Patents

Dispositif permettant l'epluchage et l'egrenage des grains de mais

Info

Publication number
EP0327610A1
EP0327610A1 EP88905651A EP88905651A EP0327610A1 EP 0327610 A1 EP0327610 A1 EP 0327610A1 EP 88905651 A EP88905651 A EP 88905651A EP 88905651 A EP88905651 A EP 88905651A EP 0327610 A1 EP0327610 A1 EP 0327610A1
Authority
EP
European Patent Office
Prior art keywords
rotor
housing
stator
treatment room
segments
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
Application number
EP88905651A
Other languages
German (de)
English (en)
Other versions
EP0327610B1 (fr
Inventor
Roman Müller
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 AT88905651T priority Critical patent/ATE67690T1/de
Publication of EP0327610A1 publication Critical patent/EP0327610A1/fr
Application granted granted Critical
Publication of EP0327610B1 publication Critical patent/EP0327610B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers

Definitions

  • the present invention relates to a device according to the preamble of claim 1.
  • the device according to the invention is used to produce flaking grits, which are the starting product for cornflake production. This is where the demands on the milling plant are highest.
  • maize disinfection and peeling has been carried out in the "Bea11 disinfector”.
  • This has a stator, in the stator housing of which a rotor is rotatably mounted.
  • the stator housing and the rotor form an at least approximately annular treatment space in cross section and have knobs on their mutually facing sides.
  • the inside of the stator is also divided in the circumferential direction alternately into diarrhea segments provided with knobs or perforated perforations.
  • This known device also has a two-part Stator housing, the two halves of which are separated by a horizontal plane and can be pivoted relative to one another about a hinge axis and can be screwed together in the closed state. If the upper half of the stator housing is removed (folded up), the lower half forms a trough which is semicircular in cross section and in which the rotor held in the end bearing half-shells lies. Folding up the upper stator housing half does not make the lower half of the treatment room accessible. The rotor must also be removed for this.
  • the Beall sterilizer also has a conical working area that increases in diameter from the entry end to the discharge end and the stator housing and the rotor are conical.
  • the object of the present invention is to improve a device of the type mentioned in such a way that the treatment room is easily accessible in the event of a fault and the peeling and sterilizing process can be carried out optimally.
  • This object is achieved by the characterizing features of claim 1.
  • the detachable housing wall parts can be used to remove blockages in the treatment room while the machine is running.
  • the features of claim 3 allow the cross section of the treatment room to be adapted to the condition of the material to be processed without axial displacement of the rotor.
  • the treatment area which is ring-shaped in cross section, has the same or at least approximately the same diameter over its entire length, its length can be increased without the width and height of the machine taking up more space.
  • this measure greatly reduces the amount of dust in the discharge and the required drive power is reduced with the same product throughput.
  • the low dust content in the discharge has the advantage that it does not have to be fed to the other classifiers together with the diarrhea as previously. The effort for the subsequent sighting is thereby reduced.
  • Another advantage results from the fact that with the same rotor length as the Beall sterilizer and with the same quality of work, the output can be doubled with half the power requirement.
  • the treatment room can be exposed in the event of a malfunction with a few hand movements over a circumferential angle of approximately 270 ° and the malfunction can be remedied.
  • FIG. 1 shows a side view of a device, parts of the stator housing being omitted
  • FIG. 2 shows a section along the line II-II in FIG. 1
  • FIGS. 3 and 4 show a detail from FIG. 2
  • FIG. 5 shows a side view of a second one 6 shows a diagram of a maize processing plant
  • the stator 1 of the device shown in FIGS. 1 and 2 has a stator housing 2 which surrounds a rotor 3 which is rotatably mounted therein and which is mounted on the horizontal support frame 5 of a stand 4 and open downward into a connecting funnel 6 is.
  • the stator housing 2 is closed at each end by an end plate 10 and 11, the upper sides of which are connected and stiffened by a longitudinal strut 12.
  • This carries a further knob segment 13, the knobs of which are directed into the treatment space 9 are diametrically opposite those of the knob segment 8.
  • She is also with Provide two adjustable aspiration slots A) so that the area of the diarrhea can be adequately ventilated.
  • the screw connection between the longitudinal strut 12 and the knob segment 13 can be made by means of adjusting screws with which the radial distance of the knob segment 13 from the rotor 3 can be adjusted.
  • the L-profile strips 18, 19, the U-profile strut 20 with the knob segment 21 and the end plates 17 form a structural unit.
  • This forms with the angle profiles 16 a housing wall part 14 or 15 with which they are each connected at the ends by an adjusting screw 23.
  • the adjusting screws 23 When the adjusting screws 23 are turned, for which the manual effort is low, the entire structural unit is displaced towards or away from the longitudinal center axis of the treatment room. If the screw connection between the angle profile strips 16 and the adjoining end plates 10, 11 is released, both housing wall parts 14, 15, that is to say the structural unit 17 to 21, including the angle profile strips 16, can be removed to the side and the treatment room 9 with the rotor 3 are largely exposed.
  • a hollow cross-section with an octagonal cross section and end stub axles 25 forms the core 24 of the rotor 3. With these, it is mounted so that it can be driven in the rotary bearings of the stator housing 2.
  • circular segment-like knob plates 26 are releasably screwed onto its flat sections. These knob plates 26 are studded with knobs, the knobs in the entry area (FIG. 1, left) being arranged or structured in a helical shape.
  • the enveloping surface of the rotor 3 is a cylinder jacket. Accordingly, the treatment room 9 approximately has a ring-cylindrical shape in cross section. The relative speed between the stator and rotor-side knobs is therefore the same over the entire length of the treatment space.
  • the enveloping surface can, however, also be slightly conical, without thereby jeopardizing the advantages of the invention as a whole.
  • the width of the treatment space 9 can be changed by turning the adjusting screws 23 in the radial direction, in that the opposing knob plates 21 of the two housing wall parts 14, 15 with the adjacent diarrhea segments 22 counteract the rotor 3 or be moved away from it.
  • the width of the treatment space 9 in the entry area can be set larger or smaller than in the discharge area.
  • the shape of the treatment room 9 can therefore be optimally adapted to the quality of the maize to be processed.
  • the maize to be treated is poured into the treatment room 9 through an inlet nozzle 27 in the stator housing 2. Due to the helically structured surface of the rotor in the entry area, the maize kernels are drawn into the treatment room, ground between the knobs and pressed against the far end, where the endosper parts forming the repulsion are placed in a chamber 28 between the rotor 3 and the end plate 11.
  • the end plate 11 is penetrated by an outlet opening 29 through which the kick falls into a discharge funnel 30 and which can be closed with a flap 31. Its closing force can be adjusted by an adjustment weight 32, which can be moved on a weighing arm 33 which is firmly connected to the flap 31. With the position of the adjustment weight 32
  • the husk, germ and endosperm parts are separated and the loosened husks, the germs and a small proportion of the endosperm parts fall through the diarrhea segments 22 into the funnel 6.
  • the larger endosperm parts pass through the treatment zone 9 and enter the discharge funnel 30 as a repulsion through the outlet opening 29.
  • both the stator and the rotor are formed symmetrically with respect to a vertical plane of symmetry perpendicular to the rotor axis in which the inlet connector 27 is located.
  • the grain material fed through the inlet nozzle 27 is divided in the treatment room and deflected in two opposite directions.
  • the grain is subjected to the same treatment in both directions and the diarrhea is accordingly collected in two separate funnels 6, 6 'and brought together again for further processing.
  • the repulsion carried out from the funnels 30 and 30 ', that is to say the larger endosperm parts, are combined for further processing.
  • 6 shows a manufacturing plant for flaking grits, in which a device 35 according to the invention for peeling and sterilizing the corn kernels is integrated. After the special aggregates 36 for the preparation of the maize kernels by means of water and / or steam, the kernels enter the device 35 according to the invention.
  • the flour and shell-free repulsion can be fed directly to a plan sifter 38 via a cyclone 37. It is not necessary to combine the push-off with the diarrhea, as is necessary when using known devices (because of the flour and shell content of up to 7% in the push-off).
  • the diarrhea passes through further cyclones 39 and 40 to a turbosifter 41, which separates the endosperm parts contained in the diarrhea and feeds it to a second plan sifter 43 via a weighing device 42.
  • the structurally more complex cleaning path for diarrhea with a turbosifter can be made smaller and therefore less expensive since it is no longer burdened by the repulsion as before.
  • the same reference numerals designate the same parts as in the examples according to FIGS. 1 to 5.
  • the example according to FIG. 7 differs from those in that the radial distance between the diarrhea segments 22 on the one hand and the Rotor 3 on the other hand is also adjustable.
  • the diarrhea segments 22 are stiffened at the ends by flange plates 36, which are pierced by a slot 37.
  • Flange plates 36 bear against the end plates 17. Furthermore, the area of the diarrhea segment 22 adjoining the profile strip 18 is bent outwards so that it forms a contact surface 38 against the latter.
  • the flange plate 36 is attached to the end plate a screw 39 guided through the slotted hole 37 can be firmly screwed and also overlaps the other, outwardly angled end region of the diarrhea segment 22 with an offset 40.
  • These, as well as the diarrhea segment 22, are provided with a slotted hole 41 through which a firmly in the leg the U-profile strut 20 engages threaded shaft 42. By tightening a nut 43 on the threaded shaft 42, the flange plate 36 is firmly connected to the U-profile strut 20.
  • Diarrhea segment 22 from the rotor 3 therefore only needs to be loosened the screws 39 and the nuts 40 and the diarrhea segment to be displaced.
  • the stator housing 2 is of the same design as in the example according to FIG. 7.
  • the design of the core 3 is different. Not on every flat section of the core 24 with an octagonal cross section, but only on every second is a knob plate 26 appropriate.
  • the intermediate sections are covered with a flat blind plate 24.
  • the embodiment according to FIG. 9 differs from that according to FIG. 7 in that the diarrhea segments 22 are not curved parallel to the sheath of the rotor 3 but are flat.
  • the nub segments are missing on the stator side (in contrast to the preceding examples).
  • the nub segments 8 and 13 are replaced by blind plates 45 and the nub segments 21 by diarrhea segments 46.
  • the treatment room 9 has an octagonal ring cross section.
  • nub segments 8 and 13 of the stator housing are present, whereas the nub segments 21 are replaced by diarrhea segments.

Landscapes

  • Crushing And Pulverization Processes (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Cereal-Derived Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

Le dispositif comporte un stator (1) et un rotor (3) monté rotatif dans le logement (2) du stator. Les côtés du stator et du rotor se faisant face sont courverts de protubérances dans la région de la chambre (9) de traitement. Vus en section transversale, les éléments (18, 13, 21) de travail sont agencés de manière à peu près circulaire sur à la fois le logement (2) du stator et sur le rotor (3). La surface intérieure du logement du stator est alternativement subdivisée autour de la périphérie en segments (21, 22) de protubérances et de criblage munis d'ouvertures de tamisage. Le logement (2) du stator est doté de deux parties (14, 15) de parois de logement amovibles afin de permettre l'accès facile à la chambre (9) de traitement en cas de problème.
EP88905651A 1987-07-22 1988-07-18 Dispositif permettant l'epluchage et l'egrenage des grains de mais Expired - Lifetime EP0327610B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88905651T ATE67690T1 (de) 1987-07-22 1988-07-18 Vorrichtung zum schaelen und entkeimen von maiskoernern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2783/87 1987-07-22
CH2783/87A CH673596A5 (fr) 1987-07-22 1987-07-22

Publications (2)

Publication Number Publication Date
EP0327610A1 true EP0327610A1 (fr) 1989-08-16
EP0327610B1 EP0327610B1 (fr) 1991-09-25

Family

ID=4241494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88905651A Expired - Lifetime EP0327610B1 (fr) 1987-07-22 1988-07-18 Dispositif permettant l'epluchage et l'egrenage des grains de mais

Country Status (10)

Country Link
US (1) US5036757A (fr)
EP (1) EP0327610B1 (fr)
AT (1) ATE67690T1 (fr)
CH (1) CH673596A5 (fr)
DD (1) DD272417A5 (fr)
DE (2) DE3809026A1 (fr)
HU (1) HU210050B (fr)
SU (1) SU1762742A3 (fr)
WO (1) WO1989000454A1 (fr)
ZA (1) ZA885373B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995004595A1 (fr) 1993-08-10 1995-02-16 Bühler AG Procede et dispositif permettant de nettoyer des cereales et de les preparer en vue de leur mouture

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5048407A (en) * 1989-11-07 1991-09-17 Salete Garces Felipe Grain husking and polishing machine
JP3266167B2 (ja) * 1993-08-06 2002-03-18 株式会社サタケ 竪型研削式精穀機の抵抗体調節装置
US5938131A (en) * 1997-05-16 1999-08-17 Consolidated Process Machinery, Inc. Hammermill with polygonal screen, regrind deflectors and hinged door mounting screen sections
US6953165B1 (en) * 2000-09-13 2005-10-11 The Quaker Oats Company Corn milling process
US6936294B2 (en) * 2001-12-04 2005-08-30 Satake Usa, Inc. Corn degermination process
ITPD20020161A1 (it) * 2002-06-14 2003-12-15 Agrex Spa Macchina degerminatrice, in particolare per la degerminazione di cereali.
DE10251490A1 (de) * 2002-11-04 2004-05-13 Bühler AG Verfahren und Vorrichtung zum Schälen und Entkeimen von Getreide
US7246762B2 (en) * 2003-04-21 2007-07-24 Cargill, Incorporated Process of forming corn flaking grits of improved quality with minimization of production of corn doubles
CN1301797C (zh) * 2004-04-27 2007-02-28 任光利 一种磨粉机磨辊、磨辊表面磨齿的加工方法及磨辊的用途
EP1721672A1 (fr) * 2005-05-10 2006-11-15 Costimex S.A. Procédé de traitement d'un mélange de grains de mais et dispositif pour sa mise en oeuvre
JP4849520B2 (ja) * 2006-02-11 2012-01-11 独立行政法人農業・食品産業技術総合研究機構 表面処理粒状物の製造装置、方法および表面処理粒状物
CA2648787A1 (fr) 2006-04-25 2007-11-01 Klaus Gehrig Procede et dispositif de decorticage des grains cerealiers
JP5085926B2 (ja) * 2006-12-21 2012-11-28 株式会社ダイセル ガス発生剤組成物
US7578463B2 (en) * 2007-03-13 2009-08-25 Sotsky George R Modular Rotary Grinder
US20110003065A1 (en) * 2009-07-01 2011-01-06 Buhler Ag Method for pretreating grain before milling
CN102614954A (zh) * 2012-04-24 2012-08-01 周立汉 一种颗粒粮食加工设备
JP6236742B2 (ja) * 2013-12-12 2017-11-29 株式会社サタケ 搗精装置
US10722896B2 (en) * 2015-07-29 2020-07-28 Cereal Enterprises, Inc. Degerminator
JP7494988B1 (ja) 2023-06-07 2024-06-04 株式会社サタケ 精穀装置

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US912449A (en) * 1908-04-17 1909-02-16 Fred G Dieterich Rice-hulling machine.
US1100190A (en) * 1911-05-05 1914-06-16 Robert Lund Cover for outer linings for cylinders.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995004595A1 (fr) 1993-08-10 1995-02-16 Bühler AG Procede et dispositif permettant de nettoyer des cereales et de les preparer en vue de leur mouture

Also Published As

Publication number Publication date
DE3865193D1 (de) 1991-10-31
EP0327610B1 (fr) 1991-09-25
CH673596A5 (fr) 1990-03-30
ZA885373B (en) 1989-03-29
HU210050B (en) 1995-01-30
ATE67690T1 (de) 1991-10-15
DD272417A5 (de) 1989-10-11
SU1762742A3 (ru) 1992-09-15
US5036757A (en) 1991-08-06
WO1989000454A1 (fr) 1989-01-26
HUT63350A (en) 1993-08-30
DE3809026A1 (de) 1989-02-02

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