EP0764470B1 - Verfahren zur Prallvermahlung und Prallmühle - Google Patents
Verfahren zur Prallvermahlung und Prallmühle Download PDFInfo
- Publication number
- EP0764470B1 EP0764470B1 EP96112075A EP96112075A EP0764470B1 EP 0764470 B1 EP0764470 B1 EP 0764470B1 EP 96112075 A EP96112075 A EP 96112075A EP 96112075 A EP96112075 A EP 96112075A EP 0764470 B1 EP0764470 B1 EP 0764470B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sieve
- impact
- chamber
- blades
- rotor
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000003801 milling Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000007873 sieving Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 23
- 238000000227 grinding Methods 0.000 description 19
- 238000000926 separation method Methods 0.000 description 9
- 235000013339 cereals Nutrition 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000012546 transfer Methods 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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
-
- 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
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
- B02C13/205—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors arranged concentrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
Definitions
- the invention relates in particular to a method for impact milling of granular regrind such as grain or cubes the preamble of claim 1 and an impact mill with coaxial rotating rotors driven in opposite directions after the Preamble of claim 2.
- It is particularly used for grinding regrind for animal feed.
- impact mills have a fixed housing a rotor arranged and driven therein. It is also known disintegrators for very fine comminution with two coaxial, counter-rotating drives Form rotors (DE-A-3417556).
- the rotors each carry at least two concentric blade rings, the Interchangeably intermesh blade rings of both rotors. Both rotors are driven by a common one Drive.
- the one rotor is on a hollow shaft attached and the other rotor via a socket on one that Hollow shaft penetrating shaft arranged. Both waves are stored in an outdoor storage.
- the high design effort is required to create a turbo effect according to EP-A-48012 to achieve with safe storage function.
- the invention has for its object a method for Impact grinding of granular regrind and an impact mill for Implementation of the procedure to create the low technical and economic effort a high degree of uniformity the grinding of the ground material (low scatter of the Particle size) with a minimal content of dust fractions. This is done in a surprisingly simple way by the features of the characterizing part of the independent claims.
- the regrind is first in a rotating movement accelerated and subsequently bounced by converting the speed vector into one of the acceleration opposite vector. Acceleration and Impact alternate cyclically in two intermediate zones, which are not yet comminuted enough by currents Particles are associated with excretion of particles desired size between cycles.
- the regrind is passed to a first grinding stage, where it is accelerated in a defined direction and against one Surface of working organs bounces. Under the impact the regrind grains are in particles of different sizes communicating the opposite of the acceleration Shredded speed vector. Then the shredded Particles on a separator, where appropriate be separated. The separator is outside the shredding zone arranged and the particles approach tangentially on. The particles of the desired size are used as a finished product dissipated, coarse particles get into the Shredding zone to a second shredding stage and are subjected to acceleration and impact again however, unlike the first stage, finer Particles are created. A separation follows again in coarse and finished product outside the shredding zone, the coarse product again the first size reduction is fed.
- a centrifugal channel according to DE-A-37 08 914 without a sieve in the channel cannot give a reasoned suggestion.
- Required is a shift of the additional screen area mentioned in the arch area of the canal. This enables that Fine product almost completely when the required Granulation is sieved, which is compared to comparative solutions also significantly reduces the power requirement.
- the channels are at the exit the cylindrical chamber to each other and form the common channel, which in the product direction in two separate crossed channels connected to the work areas are passes.
- the strainer is placed in the curved part of the channel that a space is formed behind the sieve, which with the cylindrical space behind the sieve Chamber is connected by a pipe.
- the shredding cycle is closed and the separation the particle occurs outside of what is both a subsidence of energy consumption and wear and tear Separation device allowed. At the same time it becomes a differentiated Treatment of different sized particles achieved.
- the use of two shredding levels allowed an influence on particles with different processing intensity at every stage.
- the process can be carried out in an impact or impact mill with a cylindrical Chamber with inlet and outlet nozzle for the Regrind as well as coaxially installed rotors in it attached work organs in the opposite direction rotate, run.
- the chamber is perforated executed and divided into two chamber areas by means of the rotors, with the areas crossing each other Channels are connected that are outside their limits are arranged and the a closed flow of the Result in ground material.
- the result is a closed grinding process with a predefinable one Particle size and the possibility of automatic Control the process.
- FIGS 1 to 3 do not represent an embodiment of the invention.
- An impact mill is fed with the material to be ground. This enters an in free fall via an inlet 2 first working area 12 of a chamber 4.
- This is the regrind under the influence of a, by a rotary movement of a Rotor 6 generated airflow on a first row of blades 7 of the rotor 6 passed.
- the individual grains of the ground material are captured by these blades 7, accelerated and against blades 9 of a rotor 8 at high speed thrown.
- the blades 9 are located between the first and a second row of blades 7 of the rotor 6.
- the number of transfer stages of the coarse fractions from the work area 12 in the work area 13 depends on the art of the ground material, its moisture and the intensity of the Impact.
- a housing 1 of the impact mill In a housing 1 of the impact mill are horizontal and coaxial Rotors 6 and 8 with blades 7 and 9 attached thereto.
- the rotors 6, 8 of surround a sieve 5, whereby a cylindrical chamber 4, the divided into two working areas 12 and 13 by the rotors 6, 8 is, is formed.
- the rotors 6, 8 are driven by electric motors 10 and 11.
- the rotor 6 has two rows and the rotor 8 has a row of blades 7, 9 divided with the rotor disk in half is. One half of the blades 9 of the rotor 8 is between arranged the rows of blades of the rotor 6.
- An inlet 2 which is located on the side of the working area 12 on the housing 1 is arranged, is used to feed the impact mill with regrind.
- channels 14 and 15 are on the housing 1 arranged to return the insufficiently shredded (coarse) particle fractions.
- the channels 14, 15 are outside the chamber 4 arranged.
- the width corresponds to that Channel 14 of the width of the row of blades 7 of the rotor 6, which is arranged closer to axis 16.
- Channel 14 has one curved, curvilinear shape, starting from chamber 4 and laterally and centrally opening into work area 13.
- Analogous Channel 15 is designed. He also leaves the chamber 4 and flows out laterally and centrally into the work area 12th
- the size of the gap between the ends of the blades 7 and the sieve 5 is dimensioned so that the movement of the shredded Product on the screen 5 under the action of centrifugal force without direct influence from the outside Buckets 7 takes place.
- the angle of attack of the blades 7, 9 is correspondingly small to choose the described, wear-reducing movement path of the particles.
- the electric motors 10, 11 are loaded approximately the same.
- the perforated part of the chamber 4 is removable to one To allow screen changes.
- the perforated part of the chamber 4 should also be as possible take up a large part of their cylindrical surface, to achieve an efficient separation process.
- the number of grinding stages can be increased be, e.g. B. on seven stages, the rotor 6 then three and the rotor 8 has two rows of blades 7, 9.
- the screen 17 is mounted in the curved part of the channel 23 in such a way that a space 18 is formed behind the sieve, which with the space 19 behind the sieve the cylindrical chamber 4 connected by a pipe 20 is.
- the device with the sieve 17 works as follows:
- the grain passes through the pipe 2 into the chamber 12, is with the blades 7 and 9, which on the corresponding rotors 6 and 8 are attached, crushed and comes on Sieve 5, where the ground product is separated into two fractions becomes.
- the fraction of desired fineness is through the outlet 3 withdrawn from the device as a finished product, the Coarse fraction that does not pass through the opening of the sieve 5 has, is passed through the channel 23 to the sieve 17.
- the shredded material is repeated Fractional separation.
- the passage through the Sieve 17 enters the space located behind the sieve 18, from where it enters the space 19 behind the sieve the cylindrical 4 is steered.
- the product of which itself behind the screen is through the outlet 3 as Finished product derived.
- the fraction that does not pass through the openings of the sieve 17 has passed through channel 14 for further grinding.
- the finished product passes through the sieve 5, which is insufficiently comminuted Product share is used as a repulsion via channel 15 from the sieve 17 into the work area 12 for further grinding directed.
- the performance of the device can also be determined by the use a shield 21, which at the exit of the cylindrical chamber 4, fixed between the large rotor and the sieve 5 is to be increased.
- the shield 21 can be made in one piece exist or be equipped with a blind 22.
- the shield 21 By the shield 21, the product fraction, which are insufficient Contact with the surface of the sieve further separation can be directed onto the screen 5. Furthermore the shield 21 helps the necessary pressure of the air flow to produce the sieve 5, thereby the intensity of the passage the particles are increased through the openings of the sieve.
- the blind 22 in turn helps the blow-through intensity of the Siebes 17 to increase.
- inventive Principle in a further embodiment also open arrangements of the opposite rotors. The arrangement is done here of the rotors side by side in one plane (Fig. 8, 9).
- the product enters the rotor 24 via an inlet 2 ′, is accelerated and shredded and reaches the canal 25 in the working space of the counter-rotating rotor 26, one renewed acceleration and second shredding. After that the shredded product is channel 27 in the aforementioned Discharged and separated from the grinding chamber (not shown).
- the product arrives after the first comminution in the grinding chamber of the rotor 24 via the channel 25, 25 'into the grinding chamber of the same-running Rotors 26, 28 and is crushed again.
- the crushed Product via channels 27, 27 'into a common, channel not explicitly shown again for separation.
- the impact mill is used for grinding grain into flour possible as B1 and B2 passage.
- the impact mill according to the invention is not based on these embodiments limited.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Description
- Fig. 1
- eine Prallmühle
- Fig. 2
- einen Schnitt A-A der Prallmühle
- Fig. 3
- einen Schnitt B-B der Prallmühle
- Fig. 4
- eine Seitenansicht einer weiteren Ausgestaltung der Prallmühle mit einem Sieb im gekrümmten Teil des Kanals
- Fig. 5
- einen Grundriss der Prallmühle gemäss Fig. 4
- Fig. 6
- eine Prallmühle mit darin ausgebautem Schild
- Fig. 7
- Schild mit Jalousie
- Fig. 8
- eine weitere Variante der erfindungsgemässen Prallmühle mit offener Rotoranordnung
- Fig. 9
- eine weitere Ausgestaltungsform gemäss Fig. 8 in einer 3-Rotoranordnung.
- 1
- Gehäuse
- 2
- Einlass
- 3
- Auslass
- 4
- Kammer
- 5
- Sieb
- 6
- Rotor
- 7
- Schaufel
- 8
- Rotor
- 9
- Schaufel
- 10
- Elektromotor
- 11
- Elektromotor
- 12
- Arbeitsbereich
- 13
- Arbeitsbereich
- 14
- Kanal
- 15
- Kanal
- 16
- Achse
- 17
- Sieb
- 18
- Raum
- 19
- Raum
- 20
- Rohrleitung
- 21
- Schild
- 22
- Jalousie
- 23
- Kanal
- 24
- Rotor
- 25, 25'
- Kanal
- 26
- Rotor
- 27, 27'
- Kanal
- 28
- Rotor
Claims (10)
- Verfahren zur Prallvermahlung von insbesondere körnigem Mahlgut unter Anwendung einer Prallmühle mit horizontal gelagerten Rotoren, die gegensinnig zueinander laufen sowie unter Anordnung eines an sich bekannten Schleuderkanals zur Rückführung von zerkleinertem Mahlgut nach einer ersten Vermahlungsstufe zu einer weiteren Vermahlungsstufe, wobei das Mahlgut zunächst in eine Kammer (4) mit den Rotoren einer Prallmühle geleitet wird,dadurch gekennzeichnet, dass die Weiterführung der Grobfraktion in einem Kanal (14, 15) erfolgt, die auf ein zweites Sieb (17) trifft und dadurch Feinprodukte nahezu vollständig separiert werden, so dass nur die noch verbleibende grobe Fraktion einer erneuten Vermahlung zugeführt wird.a) das Mahlgut durch Schaufeln (7) eines ersten Rotors (6) beschleunigt wird und gegen Schaufeln (9) eines gegensinnig umlaufenden Rotors (8) prallt und zerkleinert wird,b) dass das zerkleinerte Mahlgut in Richtung der Bewegungsbahn des Rotors (6) mit geringem Winkel auf ein erstes Sieb (5) trifft und in Fraktionen separiert wird,c) dass die verbleibende Grobfraktion in Bewegungsrichtung weitergeführt und einer erneuten Beschleunigung, Prallung und Siebung unterzogen werden, wobei die Vermahlungsstufen gemäss a, und c, in voneinander getrennten Arbeitsbereichen (12, 13) der Kammer (4) ausgeführt werden,
- Prallmühle zur Prallvermahlung von insbesondere körnigem Mahlgut, wobei die Prallmühle aus einem Gehäuse (1) mit darin horizontal und koaxial angeordneten Rotoren (6, 8) die zueinander gegensinnig laufen, an denen Schaufeln (7, 9) in Reihen befestigt sind, wobei der erste Rotor (6) mindestens zwei Reihen Schaufeln (7) und der zweite Rotor (8) mindestens eine Reihe Schaufeln (9), die zwischen den Reihen der Schaufeln (7) angeordnet ist, aufweisen und aus einem, die Rotoren (6, 8) an ihrem äusseren Umfang umgebenden erstes Sieb (5), sowie einem seitlich an der Kammer (4) angeordneten Einlass (2) und einem, unterhalb der Kammer (4) angeordneten Auslass (3) und weiterhin aus, eine Fortsetzung des ersten Siebes (5) bildenden Kanälen (14, 15) besteht, wobei die beiden Kanäle (14, 15) in voneinander getrennte Arbeitsbereiche (12, 13) der Kammer (4) münden, dadurch gekennzeichnet, dass die beiden Kanäle (14, 15) aneinander anliegend einen gemeinsamen Kanal (23) bildend, ausgeführt sind, welcher in zwei getrennte gekreuzte Kanäle übergeht, wobei in seinem gekrümmten Teil ein zweites Sieb (17) angebracht ist, wodurch ein hinter dem zweiten Sieb (17) befindlicher Raum gebildet ist, der in den sich hinter dem ersten Sieb (5) befindenden Raum der zylindrischen Kammer (4) übergeht.
- Prallmühle nach Anspruch 2, dadurch gekennzeichnet, dass die Kanäle (14, 15) ausserhalb der Kammer (4) angeordnet sind und in einer kurvenartigen Form von der Kammer (4) ausgehend seitlich in die Arbeitsbereiche (13, 12) münden, wobei die Breite des Kanals (14) der Breite der inneren Reihe der Schaufeln (7) entspricht.
- Prallmühle nach Anspruch 2, dadurch gekennzeichnet, dass das Sieb (5) auswechselbar ist.
- Prallmühle nach Anspruch 2, dadurch gekennzeichnet, dass die Rotoren (6, 8) gegensinnig umlaufend angetrieben sind, vorzugsweise durch separate Antriebe.
- Prallmühle nach Anspruch 2, dadurch gekennzeichnet, dass die Schaufeln (7, 9) einen Anstellwinkel von vorzugsweise nicht mehr als 15° aufweisen.
- Prallmühle nach Anspruch 2, dadurch gekennzeichnet, dass [zur Erhöhung der Leistung] am Ausgang aus der zylindrischen Kammer (4), zwischen dem grossen Rotor und dem Sieb (5) ein gekrümmtes Schild (21) installiert ist.
- Prallmühle nach Anspruch 7, dadurch gekennzeichnet, dass der Schild (21) mit einer Jalousie (22) ausgerüstet ist.
- Prallmühle nach den vorstehenden Ansprüchen 2 bis 8, dadurch gekennzeichnet, dass die Rotoren (24, 26, 28) in einer Ebene nebeneinander angeordnet und durch Kanäle (25, 25', 27) miteinander verbunden sind.
- Prallmühle nach Anspruch 9, dadurch gekennzeichnet, dass die Ebene horizontal oder vertikal angeordnet ist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2698/95 | 1995-09-25 | ||
| CH269895 | 1995-09-25 | ||
| CH02698/95A CH690709A5 (de) | 1995-09-25 | 1995-09-25 | Verfahren zur Prallvermahlung und Prallmühle. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0764470A1 EP0764470A1 (de) | 1997-03-26 |
| EP0764470B1 true EP0764470B1 (de) | 2000-07-05 |
Family
ID=4239581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96112075A Expired - Lifetime EP0764470B1 (de) | 1995-09-25 | 1996-07-26 | Verfahren zur Prallvermahlung und Prallmühle |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0764470B1 (de) |
| CH (1) | CH690709A5 (de) |
| DE (1) | DE59605539D1 (de) |
| ES (1) | ES2148640T3 (de) |
| RU (1) | RU2176933C2 (de) |
| UA (1) | UA46733C2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9723790B2 (en) | 2013-02-19 | 2017-08-08 | Grains Research & Development Corporation | Weed seed devitalization arrangement |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238148C1 (ru) * | 2003-02-04 | 2004-10-20 | Государственное научное учреждение Всероссийский научно-исследовательский и проектно-технологический институт механизации животноводства | Устройство для измельчения |
| RU2277970C1 (ru) * | 2005-02-15 | 2006-06-20 | Государственное научное учреждение Всероссийский научно-исследовательский и проектно-технологический институт механизации животноводства | Установка для измельчения сыпучего корма |
| RU2296011C2 (ru) * | 2005-03-09 | 2007-03-27 | Федеральное государственное образовательное учреждение высшего профессионального образования Казанская государственная сельскохозяйственная академия | Универсальный измельчитель кормов |
| RU2714771C1 (ru) * | 2019-10-14 | 2020-02-19 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | Дезинтегратор |
| RU2714773C1 (ru) * | 2019-11-05 | 2020-02-19 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | Дезинтегратор |
| RU2714774C1 (ru) * | 2019-11-05 | 2020-02-19 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | Центробежный дисковый измельчитель |
| CN114849882B (zh) * | 2022-07-11 | 2022-09-16 | 陶瓷工业设计研究院(福建)有限公司 | 一种对撞式节能环保型陶瓷用的智能粉碎加工装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1331969A (en) * | 1915-12-23 | 1920-02-24 | Allis Chalmers Mfg Co | Rotary impact-pulverizer |
| GB135955A (en) * | 1918-12-06 | 1919-12-08 | William Stephenson Barron | Improvements relating to Impact Grinders. |
| GB191977A (en) * | 1922-02-27 | 1923-01-25 | George Porteus | Improvements in or relating to disintegrators |
| DE699100C (de) | 1939-10-25 | 1940-11-22 | Adolf Steinbrueckner | Hammermuehle |
| FR1015467A (fr) * | 1950-01-17 | 1952-10-13 | L Wetstein Ets | Broyeur pour graines et produits granulés ou en morceaux |
| US3567141A (en) * | 1967-07-25 | 1971-03-02 | Inst Chemicznej Prezerobki | Mill for grinding hard materials |
| FR2084599A5 (de) * | 1970-03-13 | 1971-12-17 | Estkolkhozproekt | |
| NZ198677A (en) | 1980-11-01 | 1985-11-08 | Sardon Int Ltd | Pulveriser with classifier |
| EP0053755B1 (de) * | 1980-12-08 | 1986-07-30 | Edwin Eisenegger | Prallmahl-Verfahren und -Anlage |
| DE3362421D1 (en) | 1982-07-08 | 1986-04-10 | Buehler Ag Geb | Plant with at least one grinding mill |
| SU1258478A1 (ru) * | 1983-12-28 | 1986-09-23 | Таллинский Политехнический Институт | Устройство дл измельчени |
| DE3417556A1 (de) | 1984-05-11 | 1985-11-21 | AGEFA Aktiengesellschaft für Aufbereitungstechnologie, Zunzgen | Desintegrator |
| CH669337A5 (de) | 1986-03-24 | 1989-03-15 | Buehler Ag Geb | |
| ES2138113T3 (es) * | 1994-07-14 | 2000-01-01 | Buehler Ag Geb | Procedimiento para la molturacion por impacto y molino de impacto. |
-
1995
- 1995-09-25 CH CH02698/95A patent/CH690709A5/de not_active IP Right Cessation
-
1996
- 1996-07-26 EP EP96112075A patent/EP0764470B1/de not_active Expired - Lifetime
- 1996-07-26 DE DE59605539T patent/DE59605539D1/de not_active Expired - Fee Related
- 1996-07-26 ES ES96112075T patent/ES2148640T3/es not_active Expired - Lifetime
- 1996-09-23 UA UA96093660A patent/UA46733C2/uk unknown
- 1996-09-24 RU RU96118768/13A patent/RU2176933C2/ru not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9723790B2 (en) | 2013-02-19 | 2017-08-08 | Grains Research & Development Corporation | Weed seed devitalization arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2176933C2 (ru) | 2001-12-20 |
| CH690709A5 (de) | 2000-12-29 |
| EP0764470A1 (de) | 1997-03-26 |
| UA46733C2 (uk) | 2002-06-17 |
| ES2148640T3 (es) | 2000-10-16 |
| DE59605539D1 (de) | 2000-08-10 |
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