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WO1991011260A1 - Desintegrateur a percussion - Google Patents

Desintegrateur a percussion Download PDF

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Publication number
WO1991011260A1
WO1991011260A1 PCT/CH1990/000278 CH9000278W WO9111260A1 WO 1991011260 A1 WO1991011260 A1 WO 1991011260A1 CH 9000278 W CH9000278 W CH 9000278W WO 9111260 A1 WO9111260 A1 WO 9111260A1
Authority
WO
WIPO (PCT)
Prior art keywords
impact
centrifugal
channels
channel
wheel
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
Application number
PCT/CH1990/000278
Other languages
German (de)
English (en)
Inventor
Franz Reichmuth
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 AT90917239T priority Critical patent/ATE103509T1/de
Priority to DE90917239T priority patent/DE59005210D1/de
Priority to KR1019910700825A priority patent/KR940004229B1/ko
Priority to BR909007242A priority patent/BR9007242A/pt
Priority to TR01228/90A priority patent/TR26845A/xx
Priority to CN91100570A priority patent/CN1071141C/zh
Publication of WO1991011260A1 publication Critical patent/WO1991011260A1/fr
Priority to SU915001748A priority patent/RU1837969C/ru
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B02C19/00—Other disintegrating devices or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C13/1835—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate by means of beater or impeller elements fixed in between an upper and lower rotor disc
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
    • B02C13/1814—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate by means of beater or impeller elements fixed on top of a disc type rotor

Definitions

  • the invention relates to a Pral running solver for granular, semolina or flour-like goods with a rotating centrifugal wheel, which is surrounded by an impact ring. and has a concentric S iron pipe and a ring discharge channel.
  • the individual parts of the goods have a very high strength, be it the grain as a whole, as well as the semolina or flour parts.
  • a grain of grain for example. was hollowed out by a grain beetle, fragile. Insects and insect eggs are very sensitive to impact. This The situation is exploited with the impact, for example by crushing hollow grains and destroying insects and insect eggs using the impact machine known as a sterilizer.
  • a key goal of the mill is also to separate the endosoer layer from the white flour core.
  • the regrind from a roller mill is divided into the desired fractions in the following plan sifter.
  • the impact resolver is used diagrammatically between the roller mill and the plan sifter, the platelets formed during the grinding process are broken down and related endosperm particles are loosened.
  • the object of the invention was now to improve the impact machine so that a real increase in throughput becomes possible, but this while maintaining the quality of work or an almost 100% effectiveness, be it to render insects harmless or to remove the endosperm from the shell.
  • a guide device is arranged in the centrifugal wheel after the feed pipe and is connected to the centrifugal wheel in a manner that rotates with it.
  • the guide apparatus has a plurality of intake channels, which are guided into the centrifugal channels in the form of annular disks.
  • the axial displacement of the centrifugal channels inevitably creates different forms of intake channels.
  • Ver ⁇ have greater Ver ⁇ give series of tests, that in the case of two axially offset centrifugal channels a 'plurality of feed channels is required, wherein the feed tube remote spin channel a double number to be assigned from collection channels, this in relation to the number of feeder channels for the centrifugal canal near the feed tube.
  • a corresponding area ratio for the intake should be maintained. This resulted in an exact product halving for both centrifugal channels or both centrifugal channels result in identical centrifugal conditions for the product.
  • the intake ducts opening into the centrifugal duct remote from the feed pipe have an installation that narrows the cross section on the outer circumference.
  • the installation is designed as a ring section with a tapered shape to the axis of rotation.
  • each centrifugal channel is assigned a separate, annular baffle.
  • the centrifugal wheel is designed as a double wheel and the impact ring has two oppositely directed impact surfaces, preferably the dual wheel or the two impact surfaces are assigned a common crop discharge channel which opens into a tangential crop discharge channel.
  • the baffles are designed with respect to the double wheel as two truncated cones opening in the opposite direction.
  • the guide device has flat guide vanes both with regard to self-cleaning and for the impact effect.
  • centrifugal wheel with three or four axially offset centrifugal channels when continuing the inventive idea, the more distant the centrifugal channel viewed from the intake, the greater the number of intake channels that should open into these, respectively. the corresponding feed area must be adjusted.
  • a separate impact ring is preferably assigned to each centrifugal channel.
  • the construction costs can be kept very low if an electric drive motor is flanged directly onto the housing of the impact resolver.
  • the centrifugal wheel then has the number of revolutions per minute as the electric motor, e.g. 3000 rpm.
  • the material discharge channel can be formed from two halves of approximately the same shape, which can be separated in a plane perpendicular to the axis of rotation of the shaft of the centrifugal wheel.
  • Fig. 1 shows a section in the axial direction by a Pral running solver
  • Fig. 10 shows another embodiment in which the centrifugal rotor as
  • Double rotor is formed
  • FIG. 11 is a doubling of FIG. 10, with
  • FIG. 1 The upper part of the figure shows an impact resolver 1 as a section in the axial direction.
  • An approximately 3000-door electric motor 2 (lower half of the figure) is screwed with screws 3 and a connecting flange 4 firmly to a lower, fixed housing part 5 of the preload release 1.
  • the connecting flange 4 is designed so that it receives the seals for sealing the Pral running solvent 1 to the outside.
  • An upper housing part 6 is connected to the lower housing part 5 in such a way that an impact ring 7 is firmly clamped in between. Concentric to the two housing parts 5 and 6, a feed tube 8 is placed on the upper housing part 6, through which the material to be treated is introduced into the impact resolver 1.
  • a centrifugal wheel 9 is arranged in the housing parts 5 and 6. It is attached to the shaft 11 of the electric motor 2 by means of a carrying bush 10 and a locking screw 12.
  • the centrifugal wheel or centrifugal rotor 9 is formed by an outer turntable 13, an inner turntable 14 and a separating ring 15 arranged centrally between the two turntables 13, 14 by bolts 16 to form a double wheel or double rotor 17.
  • the result is an outer centrifugal channel 18 near the feed pipe 8 and an inner centrifugal channel 19 remote from the feed pipe 8.
  • the baffle ring 7 has two oppositely directed baffle surfaces 20, 21, which represent two truncated cones opening in the opposite direction, the outer one Baffle 20 is assigned to the outer centrifugal channel 18 and the inner baffle 21 to the inner centrifugal channel 19.
  • a fan discharge channel 23 or 24 Arranged in the circumferential direction to the centrifugal wheel 9 or double wheel 17 is a fan discharge channel 23 or 24 which widens in the direction of a material discharge duct 22 (FIG. 2).
  • the baffle 30 has two types of flat baffles: short baffles 31, which direct the product air flow into the inner centrifugal channel (closer to feed tube 8) 18, and long baffles 32, which direct product air flow into the outer centrifugal channel (closer to feed tube 8) 19 steer.
  • the short guide plate 31 is provided with vertical hatching in FIG. 3 and the long guide plate 32 with horizontal hatching.
  • the baffle 30 can be integrally e.g. in mold, and the Schleuder ⁇ channels 18 and 19 made of sheet steel and both parts are connected to one unit.
  • the centrifugal channel 19 is completely self-cleaning if this resp. an installation 33 in the form of a ring section is arranged in the feed area of the centrifugal channel 19 (hatched with circular rings in FIG. 4).
  • a ratio of 2: 4 with respect to the number of inner feed channels 34 to the outer feed channels 35 has proven successful.
  • the good-air mixture to be processed enters the inlet pipe 8 directly into the inlet train channels 34 resp. 35 of the nozzle 30 and is set in rotation. In the feed channels 34 respectively. 35 the mixture is accelerated and undergoes a first impact on the bolt 16.
  • the water turbine-like material discharge channel 22 which widens in the circumferential direction, supports a uniform application of the impact surface 20 or. 21, and supports a reunification of air and goods, which can be transported as a mixture after the goods discharge channel 22 with a pneumatic conveyor.
  • FIGS. 5 to 8 Different installation dispositions are shown in FIGS. 5 to 8. This is intended to express that the working effect of the impact resolver 1 is always guaranteed, regardless of the installation position.
  • the material to be processed is fed vertically from below into the buffer solver 1 and guided away horizontally
  • the product feed is vertical from above.
  • the raw material in FIGS. 7 and 8 enters horizontally into the buffer solver 1.
  • the product transfer is vertically downwards in FIG. 7 and vertically upwards in FIG. 8.
  • FIG. 9 shows a further embodiment with a triple centrifugal rotor 9, each centrifugal channel 51 or 52 resp. 53 each have their own baffle 54, respectively. 55 or 56.
  • the product flow is directed downward from the two baffles 55 and 56 and upward from the baffle surface 54.
  • the guide device 30 is designed according to the same rules as in FIGS. 1 to 4 and that a pond-like product distribution is ensured for all channels.
  • the centrifugal rotor is designed as a double rotor, analogous to Figures 1 to 4, but with two baffles 61 and. 62, which direct the product flow downwards in the same direction.
  • FIG. 11 is a duplication of FIG. 10, but with product steering in the two opposite directions, the centrifugal rotor 70 being designed as a quadruple rotor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Centrifugal Separators (AREA)
  • Catching Or Destruction (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

La présente invention se rapporte à un désintégrateur à percussion (1) comportant une roue centrifuge (9) ainsi que des canaux centrifuges doubles ou multiples (18, 19) entourés de deux ou de plusieurs bagues de percussion (7), la matière à broyer étant amenée concentriquement à travers un tube d'alimentation (8), puis évacuée par un canal de ceinture extérieur. Chaque moitié de la bague de percussion (7) est dirigée sur deux surfaces d'impact opposées (20, 21), le désintégrateur à percussion (1) pouvant présenter un canal d'évacuation commun (22) pour la matière à broyer. La roue centrifuge (9) présente au voisinage de l'entrée de la matière à broyer un dispositif directeur (30) avec introduction subdivisée, une plus grande section d'introduction étant attribuée au canal centrifuge (19) le plus éloigné du tube d'alimentation (8).
PCT/CH1990/000278 1990-01-31 1990-12-04 Desintegrateur a percussion Ceased WO1991011260A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT90917239T ATE103509T1 (de) 1990-01-31 1990-12-04 Prallaufloeser.
DE90917239T DE59005210D1 (de) 1990-01-31 1990-12-04 Prallauflöser.
KR1019910700825A KR940004229B1 (ko) 1990-01-31 1990-12-04 충격식 분리기
BR909007242A BR9007242A (pt) 1990-01-31 1990-12-04 Dissipador por impacto
TR01228/90A TR26845A (tr) 1990-01-31 1990-12-21 Taneli irmik veya un türündeki ürünler icin carpmali ayirici.
CN91100570A CN1071141C (zh) 1990-01-31 1991-01-31 冲击式撞碎机
SU915001748A RU1837969C (ru) 1990-01-31 1991-09-27 Отражательный деташер

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH31190 1990-01-31
CH0311/90-2 1990-01-31

Publications (1)

Publication Number Publication Date
WO1991011260A1 true WO1991011260A1 (fr) 1991-08-08

Family

ID=4184108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1990/000278 Ceased WO1991011260A1 (fr) 1990-01-31 1990-12-04 Desintegrateur a percussion

Country Status (12)

Country Link
EP (1) EP0465607B1 (fr)
JP (1) JP2655751B2 (fr)
KR (1) KR940004229B1 (fr)
BR (1) BR9007242A (fr)
CZ (1) CZ279161B6 (fr)
DE (1) DE59005210D1 (fr)
ES (1) ES2052280T3 (fr)
HU (1) HU209075B (fr)
RU (1) RU1837969C (fr)
SK (1) SK278620B6 (fr)
TR (1) TR26845A (fr)
WO (1) WO1991011260A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000117C2 (nl) * 1995-04-11 1996-10-14 Johannes Petrus Andreas Joseph Rotorbladconstructie voor inslagbreker.
DE10154462A1 (de) * 2001-11-08 2003-05-22 Buehler Ag Verfahren zum Isolieren von Aleuronteilchen
CN1305571C (zh) * 2003-05-13 2007-03-21 株式会社佐竹 谷物的冲击式粉碎装置
RU2407590C1 (ru) * 2009-07-13 2010-12-27 Валерий Львович Злочевский Способ размола зерновых и зернистых материалов
WO2015022251A1 (fr) * 2013-08-13 2015-02-19 Bühler AG Dispositif de rebondissement de courant transversal
WO2021036131A1 (fr) * 2019-08-28 2021-03-04 鄂州市兴方磨具有限公司 Cylindre d'émeri d'usinage du riz combiné en forme d'éventail

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE168387C1 (fr) *
DE521349C (de) * 1931-03-20 Alpine Akt Ges Eisengiesserei Schlagstiftmuehle mit zwei zwischen zwei umlaufenden Schlagscheiben angeordneten Mahlscheiben
DE591968C (de) * 1930-07-25 1934-01-30 Josef Otto Schlagstiftmuehle
GB539883A (en) * 1940-09-26 1941-09-26 Franklin Seltzer Smith Process and apparatus for destroying insect infestation in bulk products
DE923169C (de) * 1950-10-19 1955-02-03 Kohlenscheidungs Ges M B H Schlagradmuehle
DE1026159B (de) * 1956-03-31 1958-03-13 Kohlenscheidungs Ges Mit Besch Laeufer fuer Schleudermuehlen
US2928616A (en) * 1955-09-12 1960-03-15 Monda R Smith Centrifugal impact milling machine
GB1013610A (en) * 1964-11-10 1965-12-15 Bath Iron Works Corp An improved bowl for a centrifugal pulverizer
DE1253562B (de) * 1965-12-08 1967-11-02 Miag Muehlenbau Prall- und Schaelmuehle mit mindestens zwei um eine lotrechte Achse umlaufenden Schleuderraedern
CH491674A (de) * 1968-01-12 1970-06-15 Simon Ltd Henry Stiftmühle
DE1814751A1 (de) * 1968-12-14 1970-06-25 Miag Muehlenbau & Ind Gmbh Prall- und Schaelmuehle

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE168387C1 (fr) *
DE521349C (de) * 1931-03-20 Alpine Akt Ges Eisengiesserei Schlagstiftmuehle mit zwei zwischen zwei umlaufenden Schlagscheiben angeordneten Mahlscheiben
DE591968C (de) * 1930-07-25 1934-01-30 Josef Otto Schlagstiftmuehle
GB539883A (en) * 1940-09-26 1941-09-26 Franklin Seltzer Smith Process and apparatus for destroying insect infestation in bulk products
DE923169C (de) * 1950-10-19 1955-02-03 Kohlenscheidungs Ges M B H Schlagradmuehle
US2928616A (en) * 1955-09-12 1960-03-15 Monda R Smith Centrifugal impact milling machine
DE1026159B (de) * 1956-03-31 1958-03-13 Kohlenscheidungs Ges Mit Besch Laeufer fuer Schleudermuehlen
GB1013610A (en) * 1964-11-10 1965-12-15 Bath Iron Works Corp An improved bowl for a centrifugal pulverizer
DE1253562B (de) * 1965-12-08 1967-11-02 Miag Muehlenbau Prall- und Schaelmuehle mit mindestens zwei um eine lotrechte Achse umlaufenden Schleuderraedern
CH491674A (de) * 1968-01-12 1970-06-15 Simon Ltd Henry Stiftmühle
DE1814751A1 (de) * 1968-12-14 1970-06-25 Miag Muehlenbau & Ind Gmbh Prall- und Schaelmuehle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1000117C2 (nl) * 1995-04-11 1996-10-14 Johannes Petrus Andreas Joseph Rotorbladconstructie voor inslagbreker.
WO1996032195A1 (fr) * 1995-04-11 1996-10-17 Van Der Zanden, Rosemarie, Johanna Construction d'une pale rotor pour concasseur a percussion
DE10154462A1 (de) * 2001-11-08 2003-05-22 Buehler Ag Verfahren zum Isolieren von Aleuronteilchen
CN1305571C (zh) * 2003-05-13 2007-03-21 株式会社佐竹 谷物的冲击式粉碎装置
US7204438B2 (en) 2003-05-13 2007-04-17 Satake Corporation Impact crushing apparatus for grain
RU2407590C1 (ru) * 2009-07-13 2010-12-27 Валерий Львович Злочевский Способ размола зерновых и зернистых материалов
WO2015022251A1 (fr) * 2013-08-13 2015-02-19 Bühler AG Dispositif de rebondissement de courant transversal
RU2628340C1 (ru) * 2013-08-13 2017-08-16 Бюлер Аг Поперечно-поточное ударное устройство
US9873124B2 (en) 2013-08-13 2018-01-23 Bühler AG Crossflow impact device
WO2021036131A1 (fr) * 2019-08-28 2021-03-04 鄂州市兴方磨具有限公司 Cylindre d'émeri d'usinage du riz combiné en forme d'éventail

Also Published As

Publication number Publication date
SK278620B6 (en) 1997-11-05
CS9100180A2 (en) 1991-09-15
KR940004229B1 (ko) 1994-05-19
KR920700771A (ko) 1992-08-10
RU1837969C (ru) 1993-08-30
JP2655751B2 (ja) 1997-09-24
BR9007242A (pt) 1992-03-17
EP0465607B1 (fr) 1994-03-30
HU209075B (en) 1994-03-28
HUT61223A (en) 1992-12-28
ES2052280T3 (es) 1994-07-01
CZ279161B6 (cs) 1995-01-18
EP0465607A1 (fr) 1992-01-15
DE59005210D1 (de) 1994-05-05
HU913004D0 (en) 1992-02-28
TR26845A (tr) 1994-08-19

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