WO1999047264A1 - Ejecteur a une ou plusieurs poches - Google Patents
Ejecteur a une ou plusieurs poches Download PDFInfo
- Publication number
- WO1999047264A1 WO1999047264A1 PCT/BE1999/000034 BE9900034W WO9947264A1 WO 1999047264 A1 WO1999047264 A1 WO 1999047264A1 BE 9900034 W BE9900034 W BE 9900034W WO 9947264 A1 WO9947264 A1 WO 9947264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ejector
- pockets
- ceramic
- wear
- 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
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
- 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
-
- 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
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
Definitions
- the present invention relates to an ejector with one or more pockets, intended for crushers of the centrifugal type with vertical axis (so-called VSI crushers).
- centrifugal type crushers are known in the state of the art for crushing all kinds of materials, in particular rock aggregates.
- centrifugal crushers include a cylindrical tank in which is disposed a rotary table which is supported by a vertical bearing and which comprises means for rotating the table around the central axis of the crusher.
- the crusher comprises a series of ejectors fixed to the rotary table, as well as a series of anvils arranged on the internal vertical wall of the cylindrical tank, around the rotary table.
- the ejector is essentially in the form of a parallelepiped generally made of cast iron which is fixed to the rotary table of the crusher.
- the side of the ejector which is directed towards the axis of rotation of the table is called the nose of the ejector, while the face parallel to the anvils of the cylindrical tank forms the exit face of the ejector.
- the front face of the ejector called the working face is that which meets the material to be crushed and which in the direction of rotation of the ejector precedes the rear face.
- This front working face of the ejector can be provided with one or more cavities which do not pass through the entire structure of the ejector.
- These cavities form the pockets of the ejector which fill up during the rotation of the crusher.
- the material to be crushed is poured into the center of the rotary table by known means. Under the effect of the centrifugal force and under the impact with the working face of the ejectors, the material is projected in the direction of the anvils on which it is crushed to fall, in crushed form, at the bottom of the crusher from where it is evacuated. When the material is projected, the ejectors are subjected to very high stresses and are therefore subject to rapid wear. Description of solutions according to the state of the art
- the pocket ejectors used make it possible in certain applications, by accumulating material in the pockets, to considerably increase the life of these ejectors.
- wear is preferably done at the exit edge of the pockets, that is to say where the abrasion due to particles projected by force - 3 -
- centrifugal is the highest.
- the wear which nevertheless occurs is often located according to certain preferential paths, outside the initial cavities of the ejector. These preferential wear paths propagate over the entire structure of the ejector with the consequence of finally obtaining a part of which practically only the reinforcement is intact.
- the present invention essentially aims to avoid or at least reduce the drawbacks which result from the wear of the prior art ejectors.
- it aims to design an ejector with one or more pockets which resists the impact of the particles to be crushed and which, by having a high resistance to wear, almost no longer undergoes any degradation of its structure initial.
- an ejector with one or more pockets intended for these crushers of the centrifugal type with vertical axis and having an essentially parallelepiped shape, provided on its working face with one or more cavity forming the pockets of said ejector, characterized in that all or part of the periphery of the pocket (s) is made of a composite material itself formed from an alloy based on iron and ceramic very resistant to wear and created in situ during casting of the ejector.
- the specific characteristic of the present invention lies in the choice of a composite material formed by an alloy based on iron (cast iron or steel) and ceramic to constitute the reinforcing element, which is created in situ during the casting of the ejector.
- the reinforcement according to the invention will be produced from a metal / ceramic composite which is prepared from agglomerated ceramic grains based on alumina and / or zirconia or alumina zirconia which are infiltrated during pouring by the liquid metal used to form the body of the part.
- Fig. 1 shows a perspective view of a two-pocket ejector according to the invention.
- Fig. 2 shows a photograph illustrating the ejector with a single pocket according to the invention.
- Fig. 3 represents a photograph of the ejector at - 6 -
- FIGs. 4 and 5 represent two photographs of a two-pocket ejector according to the state of the art, illustrating preferential places of wear.
- Fig. 1 gives a schematic illustration of the ejector carrying the general reference 1 with two pockets 3 and 5 according to the invention, comprising the reinforcement in composite material identified by the general reference 6 and represented in hatched lines.
- This composite material is preferably made from an agglomerate of ceramic grains based on alumina-zirconia. These ceramic grains are produced in a conventional manner, by electro-fusion, by sintering, by thermal spraying or by any other process making it possible to merge the two constituents.
- the composite reinforcing structure is produced on the periphery of the pockets of the ejector at a minimum distance of 5 mm from the edges of the pockets thus preventing wear of the ejector at the lower edge 9, the upper edge 11, as well as at the nose 13 and at the outlet of the ejector 15.
- a complementary reinforcing structure (also shown in hatched lines) 17 can be provided in the outlet face of the ejector 1.
- the composite reinforcing structure does not necessarily have to be arranged over the entire width, length or depth of - 7 -
- Figures 2 and 3 show two ejectors of different configuration, one with a single pocket, the other with two pockets.
- the geometry of the composite structure is adapted to the geometric configuration of the ejector, chosen according to the material to be crushed.
- the particular configuration of the composite structure as illustrated has been chosen so as to, on the one hand, limit the wear of the entire part of the ejector and, on the other hand, to allow the ejector provided to be easily provided in situ. of the reinforcement structure during the casting of the ejector.
- the ejector is therefore constituted in the form of a heterogeneous element but without attached parts comprising in the areas subjected predominantly to wear, a reinforcement integrated in the ejector in the form of a structure based on a composite material which is made of an iron-based alloy (cast iron or steel) on the one hand and ceramic having the property of resistance to wear for the intended uses.
- Figs. 4 and 5 represent a photograph of an ejector with two pockets according to the prior art, where the preferential wear is located essentially at the level of the nose of the ejector as well as at the lower edge of the pockets in contact with the rotary table.
- Example An ejector with a composite reinforcement as shown in Figure 2 has been compared to a identical ejector without this composite reinforcement in a rhyolite crushing application with an inlet particle size between 3 and 40 mm.
- the service life of the composite reinforced ejector is double that obtained with equivalent ejectors without this reinforcement.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Crushing And Grinding (AREA)
- Medicinal Preparation (AREA)
- Prostheses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
Claims
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT99911529T ATE252946T1 (de) | 1998-03-17 | 1999-03-16 | Ausstosselement mit einer oder mehreren kammern |
| HU0100924A HU226992B1 (en) | 1998-03-17 | 1999-03-16 | Method for manufacturing of ejector with one or several pockets |
| SK1386-2000A SK285790B6 (sk) | 1998-03-17 | 1999-03-16 | Spôsob výroby metacieho žľabu s jednou alebo viackapsami |
| EP99911529A EP1064096B1 (fr) | 1998-03-17 | 1999-03-16 | Ejecteur a une ou plusieurs poches |
| JP2000536488A JP4092077B2 (ja) | 1998-03-17 | 1999-03-16 | 一つまたはそれ以上のポケットを持つスローシュー及びその製造方法 |
| CA002322861A CA2322861C (fr) | 1998-03-17 | 1999-03-16 | Ejecteur a une ou plusieurs poches |
| DE69912409T DE69912409T2 (de) | 1998-03-17 | 1999-03-16 | Ausstosselement mit einer oder mehreren kammern |
| AU52643/99A AU736079B2 (en) | 1998-03-17 | 1999-03-16 | Production method of a throw shoe with one or more pockets |
| PL99343027A PL194714B1 (pl) | 1998-03-17 | 1999-03-16 | Wyrzutnik o co najmniej jednej kieszeni oraz sposób jego wytwarzania |
| US09/663,244 US6588692B1 (en) | 1998-03-17 | 2000-09-15 | Throw shoe for centrifugal-type crushers |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9800211A BE1011841A3 (fr) | 1998-03-17 | 1998-03-17 | Ejecteur a une ou plusieurs poche(s). |
| BE9800211 | 1998-03-17 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/663,244 Continuation US6588692B1 (en) | 1998-03-17 | 2000-09-15 | Throw shoe for centrifugal-type crushers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999047264A1 true WO1999047264A1 (fr) | 1999-09-23 |
Family
ID=3891158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BE1999/000034 Ceased WO1999047264A1 (fr) | 1998-03-17 | 1999-03-16 | Ejecteur a une ou plusieurs poches |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6588692B1 (fr) |
| EP (1) | EP1064096B1 (fr) |
| JP (1) | JP4092077B2 (fr) |
| KR (1) | KR100528303B1 (fr) |
| CN (1) | CN1104287C (fr) |
| AT (1) | ATE252946T1 (fr) |
| AU (1) | AU736079B2 (fr) |
| BE (1) | BE1011841A3 (fr) |
| CA (1) | CA2322861C (fr) |
| CZ (1) | CZ296643B6 (fr) |
| DE (1) | DE69912409T2 (fr) |
| ES (1) | ES2209411T3 (fr) |
| HU (1) | HU226992B1 (fr) |
| PL (1) | PL194714B1 (fr) |
| PT (1) | PT1064096E (fr) |
| SK (1) | SK285790B6 (fr) |
| TR (1) | TR200002676T2 (fr) |
| WO (1) | WO1999047264A1 (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002009878A1 (fr) | 2000-08-02 | 2002-02-07 | Magotteaux International S.A. | Impacteur destine a des concasseurs centrifuges a axe vertical et procede de production |
| WO2003000423A3 (fr) * | 2001-06-26 | 2003-05-01 | Der Zanden Johannes Petrus Van | Plaque de renfort et procede d'utilisation associe |
| USRE39998E1 (en) | 1996-10-01 | 2008-01-08 | Magotteaux International S.A. | Composite wear component |
| US7513295B2 (en) | 2001-12-04 | 2009-04-07 | Magotteaux International Sa | Cast parts with enhanced wear resistance |
| US8147980B2 (en) | 2006-11-01 | 2012-04-03 | Aia Engineering, Ltd. | Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100466868B1 (ko) * | 2004-05-31 | 2005-01-24 | 허홍순 | 분배부재, 이를 갖는 수직축 임팩트 크러셔 및 분배부재의제조 방법 |
| US20070007376A1 (en) * | 2005-07-07 | 2007-01-11 | Condon Gary J | Wear-resistant anvil and impact rock crusher machine using such wear-resistant anvil |
| US8241761B2 (en) * | 2007-08-15 | 2012-08-14 | Mikhail Garber | Abrasion and impact resistant composite castings for working in condition of wear and high dynamic loads |
| WO2018005836A1 (fr) | 2016-06-29 | 2018-01-04 | Superior Industries, Inc. | Broyeur à percussion à arbre vertical |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044720A (en) | 1960-09-30 | 1962-07-17 | Thomas E Bridgewater | Impact crushing apparatus |
| US3149793A (en) | 1962-07-30 | 1964-09-22 | Adams Engr Co | Impeller shoe |
| US3346203A (en) | 1965-07-12 | 1967-10-10 | Bath Iron Works Corp | Impeller for centrifugal pulverizer |
| WO1984004760A1 (fr) * | 1983-05-30 | 1984-12-06 | Vickers Australia Ltd | Fer blanc hypereutectique dur, resistant a l'usure et a l'abrasion, a haute teneur en chrome |
| US4787564A (en) | 1984-11-23 | 1988-11-29 | Garry Tucker | Rock-crusher shoe |
| WO1989004720A1 (fr) | 1987-11-20 | 1989-06-01 | Impact Technology Limited | Machine a broyer des materiaux |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2577445B1 (fr) * | 1985-02-15 | 1988-05-27 | Framatome Sa | Dispositif de projection de particules solides pour broyeur centrifuge sous vide |
| US6033791A (en) * | 1997-04-04 | 2000-03-07 | Smith And Stout Research And Development, Inc. | Wear resistant, high impact, iron alloy member and method of making the same |
-
1998
- 1998-03-17 BE BE9800211A patent/BE1011841A3/fr not_active IP Right Cessation
-
1999
- 1999-03-16 CZ CZ20003140A patent/CZ296643B6/cs not_active IP Right Cessation
- 1999-03-16 DE DE69912409T patent/DE69912409T2/de not_active Expired - Lifetime
- 1999-03-16 SK SK1386-2000A patent/SK285790B6/sk not_active IP Right Cessation
- 1999-03-16 AT AT99911529T patent/ATE252946T1/de active
- 1999-03-16 EP EP99911529A patent/EP1064096B1/fr not_active Expired - Lifetime
- 1999-03-16 JP JP2000536488A patent/JP4092077B2/ja not_active Expired - Fee Related
- 1999-03-16 AU AU52643/99A patent/AU736079B2/en not_active Ceased
- 1999-03-16 PT PT99911529T patent/PT1064096E/pt unknown
- 1999-03-16 WO PCT/BE1999/000034 patent/WO1999047264A1/fr not_active Ceased
- 1999-03-16 KR KR10-2000-7010202A patent/KR100528303B1/ko not_active Expired - Fee Related
- 1999-03-16 CN CN99804052A patent/CN1104287C/zh not_active Expired - Fee Related
- 1999-03-16 CA CA002322861A patent/CA2322861C/fr not_active Expired - Fee Related
- 1999-03-16 TR TR2000/02676T patent/TR200002676T2/xx unknown
- 1999-03-16 HU HU0100924A patent/HU226992B1/hu not_active IP Right Cessation
- 1999-03-16 ES ES99911529T patent/ES2209411T3/es not_active Expired - Lifetime
- 1999-03-16 PL PL99343027A patent/PL194714B1/pl not_active IP Right Cessation
-
2000
- 2000-09-15 US US09/663,244 patent/US6588692B1/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3044720A (en) | 1960-09-30 | 1962-07-17 | Thomas E Bridgewater | Impact crushing apparatus |
| US3149793A (en) | 1962-07-30 | 1964-09-22 | Adams Engr Co | Impeller shoe |
| US3346203A (en) | 1965-07-12 | 1967-10-10 | Bath Iron Works Corp | Impeller for centrifugal pulverizer |
| WO1984004760A1 (fr) * | 1983-05-30 | 1984-12-06 | Vickers Australia Ltd | Fer blanc hypereutectique dur, resistant a l'usure et a l'abrasion, a haute teneur en chrome |
| US4787564A (en) | 1984-11-23 | 1988-11-29 | Garry Tucker | Rock-crusher shoe |
| WO1989004720A1 (fr) | 1987-11-20 | 1989-06-01 | Impact Technology Limited | Machine a broyer des materiaux |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE39998E1 (en) | 1996-10-01 | 2008-01-08 | Magotteaux International S.A. | Composite wear component |
| WO2002009878A1 (fr) | 2000-08-02 | 2002-02-07 | Magotteaux International S.A. | Impacteur destine a des concasseurs centrifuges a axe vertical et procede de production |
| KR100672270B1 (ko) * | 2000-08-02 | 2007-01-24 | 마고또 앵떼르나씨오날 에스.에이. | 수직 축을 갖춘 원심형 분쇄기용 스로우 슈, 그 제조 방법 및 그 사용방법 |
| CZ298653B6 (cs) * | 2000-08-02 | 2007-12-05 | Magotteaux International S. A. | Bicí teleso pro rotacní odstredivé drtice s vertikální osou a zpusob jeho výroby |
| WO2003000423A3 (fr) * | 2001-06-26 | 2003-05-01 | Der Zanden Johannes Petrus Van | Plaque de renfort et procede d'utilisation associe |
| US7051964B2 (en) | 2001-06-26 | 2006-05-30 | Rosemarie Johanna Van Der Zanden | Strengthening plate and method for the use thereof |
| US7513295B2 (en) | 2001-12-04 | 2009-04-07 | Magotteaux International Sa | Cast parts with enhanced wear resistance |
| US7935431B2 (en) | 2001-12-04 | 2011-05-03 | Magotteaux International Sa | Cast parts with enhanced wear resistance |
| US8147980B2 (en) | 2006-11-01 | 2012-04-03 | Aia Engineering, Ltd. | Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1064096A1 (fr) | 2001-01-03 |
| CZ296643B6 (cs) | 2006-05-17 |
| JP4092077B2 (ja) | 2008-05-28 |
| ATE252946T1 (de) | 2003-11-15 |
| HUP0100924A2 (hu) | 2001-06-28 |
| JP2002506721A (ja) | 2002-03-05 |
| AU736079B2 (en) | 2001-07-26 |
| SK285790B6 (sk) | 2007-08-02 |
| DE69912409T2 (de) | 2004-07-22 |
| TR200002676T2 (tr) | 2001-02-21 |
| AU5264399A (en) | 1999-10-11 |
| HUP0100924A3 (en) | 2002-02-28 |
| HU226992B1 (en) | 2010-04-28 |
| KR20010041899A (ko) | 2001-05-25 |
| CN1104287C (zh) | 2003-04-02 |
| KR100528303B1 (ko) | 2005-11-15 |
| SK13862000A3 (sk) | 2001-07-10 |
| CA2322861A1 (fr) | 1999-09-23 |
| PL194714B1 (pl) | 2007-06-29 |
| EP1064096B1 (fr) | 2003-10-29 |
| CA2322861C (fr) | 2008-05-27 |
| BE1011841A3 (fr) | 2000-02-01 |
| DE69912409D1 (de) | 2003-12-04 |
| PT1064096E (pt) | 2004-03-31 |
| PL343027A1 (en) | 2001-07-30 |
| ES2209411T3 (es) | 2004-06-16 |
| US6588692B1 (en) | 2003-07-08 |
| CN1293595A (zh) | 2001-05-02 |
| CZ20003140A3 (cs) | 2001-03-14 |
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