EP0465607A1 - Impact crusher. - Google Patents
Impact crusher.Info
- Publication number
- EP0465607A1 EP0465607A1 EP90917239A EP90917239A EP0465607A1 EP 0465607 A1 EP0465607 A1 EP 0465607A1 EP 90917239 A EP90917239 A EP 90917239A EP 90917239 A EP90917239 A EP 90917239A EP 0465607 A1 EP0465607 A1 EP 0465607A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifugal
- impact
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 9
- 238000009527 percussion Methods 0.000 abstract 4
- 239000000203 mixture Substances 0.000 description 7
- 241000238631 Hexapoda Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 235000013339 cereals Nutrition 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000013601 eggs Nutrition 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000131102 Oryzaephilus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000011845 white flour Nutrition 0.000 description 1
- 230000003245 working effect 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
- 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)
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).The present invention relates to a percussion disintegrator (1) comprising a centrifugal wheel (9) as well as double or multiple centrifugal channels (18, 19) surrounded by two or more percussion rings (7), the material to be ground being brought concentrically through a supply tube (8), then evacuated by an external belt channel. Each half of the percussion ring (7) is directed on two opposite impact surfaces (20, 21), the percussion disintegrator (1) possibly having a common evacuation channel (22) for the material to be ground. The centrifugal wheel (9) has, in the vicinity of the inlet of the material to be ground, a steering device (30) with subdivided introduction, a larger introduction section being allocated to the centrifugal channel (19) furthest from the tube. power supply (8).
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90917239T ATE103509T1 (en) | 1990-01-31 | 1990-12-04 | IMPACT RELEASE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH311/90 | 1990-01-31 | ||
CH31190 | 1990-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0465607A1 true EP0465607A1 (en) | 1992-01-15 |
EP0465607B1 EP0465607B1 (en) | 1994-03-30 |
Family
ID=4184108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90917239A Expired - Lifetime EP0465607B1 (en) | 1990-01-31 | 1990-12-04 | Impact crusher |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0465607B1 (en) |
JP (1) | JP2655751B2 (en) |
KR (1) | KR940004229B1 (en) |
BR (1) | BR9007242A (en) |
CZ (1) | CZ279161B6 (en) |
DE (1) | DE59005210D1 (en) |
ES (1) | ES2052280T3 (en) |
HU (1) | HU209075B (en) |
RU (1) | RU1837969C (en) |
SK (1) | SK278620B6 (en) |
TR (1) | TR26845A (en) |
WO (1) | WO1991011260A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1000117C2 (en) * | 1995-04-11 | 1996-10-14 | Johannes Petrus Andreas Joseph | Rotor blade construction for impact breaker. |
DE10154462A1 (en) * | 2001-11-08 | 2003-05-22 | Buehler Ag | Process for isolating aleuron particles |
JP4289013B2 (en) * | 2003-05-13 | 2009-07-01 | 株式会社サタケ | Grain impact crusher |
PL3033177T3 (en) | 2013-08-13 | 2023-09-25 | Bühler AG | Transverse flow impact device |
CN210787453U (en) * | 2019-08-28 | 2020-06-19 | 鄂州市兴方磨具有限公司 | Fan-shaped combined rice milling emery roll |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE168387C1 (en) * | ||||
DE521349C (en) * | 1931-03-20 | Alpine Akt Ges Eisengiesserei | Hammer mill with two grinding disks arranged between two rotating hammer disks | |
DE591968C (en) * | 1930-07-25 | 1934-01-30 | Josef Otto | Pin mill |
GB539883A (en) * | 1940-09-26 | 1941-09-26 | Franklin Seltzer Smith | Process and apparatus for destroying insect infestation in bulk products |
DE923169C (en) * | 1950-10-19 | 1955-02-03 | Kohlenscheidungs Ges M B H | Beater mill |
US2928616A (en) * | 1955-09-12 | 1960-03-15 | Monda R Smith | Centrifugal impact milling machine |
DE1026159B (en) * | 1956-03-31 | 1958-03-13 | Kohlenscheidungs Ges Mit Besch | Runner for centrifugal mills |
GB1013610A (en) * | 1964-11-10 | 1965-12-15 | Bath Iron Works Corp | An improved bowl for a centrifugal pulverizer |
DE1253562B (en) * | 1965-12-08 | 1967-11-02 | Miag Muehlenbau | Impact and Schaelmuehle with at least two centrifugal wheels rotating around a vertical axis |
CH491674A (en) * | 1968-01-12 | 1970-06-15 | Simon Ltd Henry | Pin mill |
DE1814751A1 (en) * | 1968-12-14 | 1970-06-25 | Miag Muehlenbau & Ind Gmbh | Prall- and Schaelmuehle |
-
1990
- 1990-12-04 BR BR909007242A patent/BR9007242A/en not_active IP Right Cessation
- 1990-12-04 HU HU913004A patent/HU209075B/en not_active IP Right Cessation
- 1990-12-04 DE DE90917239T patent/DE59005210D1/en not_active Expired - Fee Related
- 1990-12-04 EP EP90917239A patent/EP0465607B1/en not_active Expired - Lifetime
- 1990-12-04 WO PCT/CH1990/000278 patent/WO1991011260A1/en active IP Right Grant
- 1990-12-04 ES ES90917239T patent/ES2052280T3/en not_active Expired - Lifetime
- 1990-12-04 JP JP3500034A patent/JP2655751B2/en not_active Expired - Fee Related
- 1990-12-04 KR KR1019910700825A patent/KR940004229B1/en not_active IP Right Cessation
- 1990-12-21 TR TR01228/90A patent/TR26845A/en unknown
-
1991
- 1991-01-28 SK SK180-91A patent/SK278620B6/en unknown
- 1991-01-28 CZ CS91180A patent/CZ279161B6/en not_active IP Right Cessation
- 1991-09-27 RU SU915001748A patent/RU1837969C/en active
Non-Patent Citations (1)
Title |
---|
See references of WO9111260A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2655751B2 (en) | 1997-09-24 |
TR26845A (en) | 1994-08-19 |
DE59005210D1 (en) | 1994-05-05 |
CS9100180A2 (en) | 1991-09-15 |
BR9007242A (en) | 1992-03-17 |
HU209075B (en) | 1994-03-28 |
HUT61223A (en) | 1992-12-28 |
SK278620B6 (en) | 1997-11-05 |
WO1991011260A1 (en) | 1991-08-08 |
KR920700771A (en) | 1992-08-10 |
CZ279161B6 (en) | 1995-01-18 |
ES2052280T3 (en) | 1994-07-01 |
KR940004229B1 (en) | 1994-05-19 |
RU1837969C (en) | 1993-08-30 |
EP0465607B1 (en) | 1994-03-30 |
HU913004D0 (en) | 1992-02-28 |
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