EP0424712A1 - Vorrichtung zum Dosieren und Mahlen - Google Patents
Vorrichtung zum Dosieren und Mahlen Download PDFInfo
- Publication number
- EP0424712A1 EP0424712A1 EP90119198A EP90119198A EP0424712A1 EP 0424712 A1 EP0424712 A1 EP 0424712A1 EP 90119198 A EP90119198 A EP 90119198A EP 90119198 A EP90119198 A EP 90119198A EP 0424712 A1 EP0424712 A1 EP 0424712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screw
- beater
- bars
- dosing
- spiral
- 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
- 238000003801 milling Methods 0.000 title abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- B02C19/22—Crushing mills with screw-shaped crushing means
-
- 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
- B02C13/10—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and axial flow
-
- 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
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C9/00—Other milling methods or mills specially adapted for grain
Definitions
- the present invention relates to an apparatus for metering and grinding friable material.
- the hammer mill which comprises a rotor formed by a rotary axis to which are connected radial arms which beat the material to be ground against a cylindrical sieve which surrounds at at least partially the rotor.
- a mill comprising a rotor formed by a rotary axis having at each end a flange, bars parallel to the axis being fixed at the periphery of the flanges and the rotor rotating either always in the same direction or alternately in one direction and in the other inside a cylindrical screen.
- the screw doser is known, for example with an archimedean screw or a spiral screw.
- a dosing screw can be placed in a cylindrical casing or tube open at its downstream end, a feed hopper being provided at the upstream end of the tube.
- the object of the present invention is to propose an apparatus for metering and grinding friable material which has a simplicity of construction comparable to that of a device of the screw metering type while having an efficiency comparable to that of a device of the hammer mill type, for example.
- the apparatus according to the present invention intended for dosing and grinding of a friable material, comprises a dosing screw, a beater formed of bars integral with the helical periphery of the downstream end of the screw, parallel to the axis of the screw and distributed along the vertices of a regular polygon centered on this axis, a cylindrical housing enveloping the screw, and a cylindrical screen extending the housing and at least partially enveloping the beater.
- Such an apparatus effectively combines surprisingly qualities which one could hitherto expect only from the series connection of at least two apparatuses, one of which, the mill, was generally of a sophisticated construction.
- the present device of simple and robust construction, has proved to be particularly effective for the regular dosing and grinding of various friable materials, such as are encountered for example in the food industry, in particular starchy grains or cereals. , fragments of dehydrated mass, or flakes of dehydrated mash on a cylinder.
- the dosing screw can be produced in various forms such as an archimedes screw, a screw with a solid cylindrical body having a helical projection on its periphery, or a hollow screw with a free helical spiral, in other words a spiral screw , for example.
- the dosing screw is made in the form of a spiral screw, the spiral itself may have various sections, circular, square or other, depending on the nature of the material to be dosed.
- the bars of the beater can have various sections, circular, square or other, depending on the nature of the material to be ground and the size of the mesh of the sieve, in particular.
- the dosing screw is produced in the form of a spiral screw with a square section and the bars of the beater have a circular section of diameter less than or equal to the side of the square section of the spiral.
- downstream ends of the bars end in the same plane perpendicular to the axis of the dosing screw and can be fixed in notches provided on the periphery of a circular flange, for example.
- the device is provided with a feed hopper at the upstream end of the dosing screw and the latter is connected to a drive means such as an electric motor, for example.
- the apparatus comprises a dosing screw 1, a beater 2 formed of bars 3 secured to the helical periphery of the downstream end of the screw 1, a cylindrical housing 5 which envelops the screw 1, and a cylindrical screen 6 which extends the cylindrical casing 5 and which envelops the beater 2.
- the device is provided with a feed hopper 7 at the upstream end of the dosing screw 1.
- the latter is connected to an electric motor 8 via a rotary axis 9 to which it is fixed.
- the dosing screw 1 is produced in the form of a spiral screw with a square section.
- the bars 3 of the beater 2 are parallel to the axis 4 of the dosing screw 1. They have a circular section of smaller diameter than the side of the square section of the spiral 1.
- Their upstream ends 10 are housed and welded in cylindrical housings practiced in the very spiral.
- the downstream ends 11 of the bars 3 end in the same plane and are fixed and welded in housings or notches formed in the periphery of a circular flange 12, coaxial and perpendicular to the axis 4 of the spiral screw 1.
- the bars 3 are six in number and they are distributed according to the vertices of a hexagon.
Landscapes
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
- General Preparation And Processing Of Foods (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Beans For Foods Or Fodder (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Crushing And Grinding (AREA)
- Food-Manufacturing Devices (AREA)
- Feed For Specific Animals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3876/89A CH680835A5 (de) | 1989-10-26 | 1989-10-26 | |
CH3876/89 | 1989-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0424712A1 true EP0424712A1 (de) | 1991-05-02 |
EP0424712B1 EP0424712B1 (de) | 1994-05-18 |
Family
ID=4265386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90119198A Expired - Lifetime EP0424712B1 (de) | 1989-10-26 | 1990-10-05 | Vorrichtung zum Dosieren und Mahlen |
Country Status (16)
Country | Link |
---|---|
US (1) | US5071078A (de) |
EP (1) | EP0424712B1 (de) |
JP (1) | JPH03151057A (de) |
KR (1) | KR910007582A (de) |
CN (1) | CN1023447C (de) |
AT (1) | ATE105736T1 (de) |
AU (1) | AU623328B2 (de) |
CA (1) | CA2027676A1 (de) |
CH (1) | CH680835A5 (de) |
DE (1) | DE69008995T2 (de) |
DK (1) | DK0424712T3 (de) |
ES (1) | ES2055269T3 (de) |
NO (1) | NO176999C (de) |
NZ (1) | NZ235744A (de) |
PT (1) | PT95678A (de) |
ZA (1) | ZA908190B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012005167A1 (de) * | 2012-03-16 | 2013-09-19 | Mt-Energie Gmbh | Vorrichtung und Verfahren zum Zerkleinern von nach der Zerkleinerung zu vergärendem Gut |
US20130292502A1 (en) * | 2012-05-02 | 2013-11-07 | Guofeng Pan | Paper shredder without wastebasket |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE471509A (de) * | ||||
DE89865C (de) * | 1900-01-01 | |||
FR2013725A1 (de) * | 1968-06-05 | 1970-04-10 | Sofical Ste | |
GB2054406A (en) * | 1979-07-11 | 1981-02-18 | Fisons Ltd | Comminuting apparatus |
GB2169818A (en) * | 1985-01-19 | 1986-07-23 | Birtley Eng Ltd | Crushers |
US4752036A (en) * | 1982-11-09 | 1988-06-21 | Olin Research Center | Granulator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1955914A (en) * | 1928-06-04 | 1934-04-24 | Krupp Fried Grusonwerk Ag | Apparatus for producing cement and similar substances |
US2717742A (en) * | 1953-05-29 | 1955-09-13 | Courtaulds Ltd | Shredding machine with expansion chamber |
US3834630A (en) * | 1971-11-26 | 1974-09-10 | Gunsons Sortex Ltd | Recovery of packaged contents |
US3771733A (en) * | 1972-07-03 | 1973-11-13 | Deere & Co | Feed grinding apparatus |
US3860182A (en) * | 1973-11-05 | 1975-01-14 | Cumberland Eng Co | Auger feed granulator |
JPS54119070A (en) * | 1978-03-04 | 1979-09-14 | Imamura Kk | Grain milling apparatus |
SU1093319A1 (ru) * | 1982-08-02 | 1984-05-23 | Центральный Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства Нечерноземной Зоны Ссср | Установка дл гранулировани кормов |
-
1989
- 1989-10-26 CH CH3876/89A patent/CH680835A5/fr not_active IP Right Cessation
-
1990
- 1990-10-05 AT AT90119198T patent/ATE105736T1/de not_active IP Right Cessation
- 1990-10-05 DE DE69008995T patent/DE69008995T2/de not_active Expired - Fee Related
- 1990-10-05 EP EP90119198A patent/EP0424712B1/de not_active Expired - Lifetime
- 1990-10-05 DK DK90119198.1T patent/DK0424712T3/da not_active Application Discontinuation
- 1990-10-05 ES ES90119198T patent/ES2055269T3/es not_active Expired - Lifetime
- 1990-10-09 US US07/595,271 patent/US5071078A/en not_active Expired - Fee Related
- 1990-10-10 AU AU63986/90A patent/AU623328B2/en not_active Ceased
- 1990-10-12 ZA ZA908190A patent/ZA908190B/xx unknown
- 1990-10-15 CA CA002027676A patent/CA2027676A1/en not_active Abandoned
- 1990-10-18 NZ NZ235744A patent/NZ235744A/en unknown
- 1990-10-24 JP JP2286942A patent/JPH03151057A/ja active Pending
- 1990-10-24 NO NO904600A patent/NO176999C/no unknown
- 1990-10-24 CN CN90108712A patent/CN1023447C/zh not_active Expired - Fee Related
- 1990-10-25 KR KR1019900017153A patent/KR910007582A/ko not_active Application Discontinuation
- 1990-10-25 PT PT95678A patent/PT95678A/pt not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE471509A (de) * | ||||
DE89865C (de) * | 1900-01-01 | |||
FR2013725A1 (de) * | 1968-06-05 | 1970-04-10 | Sofical Ste | |
GB2054406A (en) * | 1979-07-11 | 1981-02-18 | Fisons Ltd | Comminuting apparatus |
US4752036A (en) * | 1982-11-09 | 1988-06-21 | Olin Research Center | Granulator |
GB2169818A (en) * | 1985-01-19 | 1986-07-23 | Birtley Eng Ltd | Crushers |
Also Published As
Publication number | Publication date |
---|---|
DE69008995D1 (de) | 1994-06-23 |
NO176999C (no) | 1995-07-05 |
NO904600D0 (no) | 1990-10-24 |
CA2027676A1 (en) | 1991-04-27 |
ES2055269T3 (es) | 1994-08-16 |
CN1051131A (zh) | 1991-05-08 |
ATE105736T1 (de) | 1994-06-15 |
CH680835A5 (de) | 1992-11-30 |
NO176999B (no) | 1995-03-27 |
CN1023447C (zh) | 1994-01-12 |
US5071078A (en) | 1991-12-10 |
EP0424712B1 (de) | 1994-05-18 |
AU623328B2 (en) | 1992-05-07 |
PT95678A (pt) | 1992-06-30 |
DK0424712T3 (da) | 1994-09-05 |
KR910007582A (ko) | 1991-05-30 |
DE69008995T2 (de) | 1994-09-08 |
AU6398690A (en) | 1991-05-02 |
ZA908190B (en) | 1991-08-28 |
NO904600L (no) | 1991-04-29 |
NZ235744A (en) | 1992-03-26 |
JPH03151057A (ja) | 1991-06-27 |
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