WO1996016740A1 - Machine centrifuge de concassage, et element de renforcement pour orifice d'alimentation en materiau brut a concasser - Google Patents

Machine centrifuge de concassage, et element de renforcement pour orifice d'alimentation en materiau brut a concasser Download PDF

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Publication number
WO1996016740A1
WO1996016740A1 PCT/JP1994/002013 JP9402013W WO9616740A1 WO 1996016740 A1 WO1996016740 A1 WO 1996016740A1 JP 9402013 W JP9402013 W JP 9402013W WO 9616740 A1 WO9616740 A1 WO 9616740A1
Authority
WO
WIPO (PCT)
Prior art keywords
supply port
centrifugal crusher
crushed
centrifugal
crusher
Prior art date
Application number
PCT/JP1994/002013
Other languages
English (en)
Japanese (ja)
Inventor
Tosiyuki Kihara
Original Assignee
Kotobuki Engineering & Manufacturing Co., Ltd.
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 Kotobuki Engineering & Manufacturing Co., Ltd. filed Critical Kotobuki Engineering & Manufacturing Co., Ltd.
Priority to EP95902278A priority Critical patent/EP0740961A4/fr
Priority to AU11197/95A priority patent/AU1119795A/en
Publication of WO1996016740A1 publication Critical patent/WO1996016740A1/fr

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
    • 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
    • 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
    • B02C2013/1885—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 of dead bed type

Definitions

  • the present invention relates to a centrifugal crusher and a reinforcing material for a crushed material supply port, which comprise a rotor that discharges the crushed material and a supply path that supplies the crushed material within the mouth.
  • a centrifugal crusher as shown in Fig. 4 has been conventionally known. Briefly describing this crushing machine, a crushing chamber 1 1 power is defined in a housing 1 which is an outer shell of the crushing machine, and a rotor 2 capable of rotating at high speed in a horizontal direction is provided in the center of the crushing chamber 1 1. , 'Has been concealed. Raw materials such as minerals are supplied into the rotor 2, and are discharged in a tangential direction from a discharge port 21 formed on the peripheral surface of the rotor 2 by centrifugal force generated by rotation of the rotor 2. Then, the released raw material collides with a dead bed 12 made of crushed pieces of raw material accumulated in an annular shape in the crushing chamber 11 or a steel anvil (not shown) to perform crushing.
  • FIG. 5 shows the structure of a supply path for supplying the crushed material into the rotor 2 in the centrifugal crusher having the above structure.
  • the center of the top 13 of the crushing room there are three box-shaped chutes that take in the crushed material from outside.
  • Supply ports 14 and 23 are opened in the center of the top plate 13 and the center of the rotor upper disk 22 in the shutter 3, respectively. Is done.
  • the feed pipe 4 is hooked on the upper surface of the top plate 13 by the upper end flange 41, and the lower end is inserted into the rotor supply port 23.
  • the crushed material supplied from the upper part of the chute 3 forms a dead bed 3 1 around the inside of the chute 3 and further passes through the above-mentioned feed pipe 4. Supplied within 2 hours.
  • the feed pipe 4 is fixed to the top plate 13, it is necessary to provide a gap in a state where the tip of the feed pipe 4 and the supply port 23 of the rotor 2 are separated. For this reason, the inner diameter of the feed pipe 4, that is, the diameter of the supply path of the crushed raw material is limited. Also, there is a method of increasing the supply amount as one of the means for improving the crushing efficiency. If the diameter of the supply path is limited as described above, it is impossible to expand the suspicion and increase the supply amount.
  • the present invention has been made to solve the above-described problems, and has been made to improve the crushing efficiency by expanding the diameter of the supply path of the crushed raw material and increasing the supplied amount of the crushed raw material.
  • Another object of the present invention is to provide a centrifugal crusher and a reinforcing material for a crushed material supply port capable of preventing the peripheral portion of the rotor supply port from being worn due to the rebound of the material and extending the life of the rotor. Disclosure of the invention
  • the present invention has a structure in which the lower reinforcing member is directly attached to the peripheral edge of the rotor supply port based on the idea of separating the conventional feed pipe up and down. Therefore, it is no longer necessary to provide a gap between the inlet port and the feed pipe as in the past. Therefore, the diameter of the supply path of the crushed raw material can be expanded by the amount that the gap is unnecessary, and the crushing efficiency can be improved by increasing the supply amount of the crushed raw material.
  • the raw material since there is no gap between the rotor supply port and the feed pipe, the raw material does not collide with the edge of the rotor supply port due to the rebound of the raw material. Therefore, it is possible to prevent wear of the periphery of the rotor supply port and extend the life of the rotor.
  • the gap force between the upper and lower reinforcing materials is small, dust and small pieces of the crushed raw material that blows up from inside the rotor are reduced. It can be prevented from scattering to the outside from the gap. Therefore, no dust or small pieces are clogged between the top plate and the upper surface of the balance, and the cause of the failure of t »W can be reduced.
  • the crushed raw material passes through the outermost part as far as possible from the center of the rotor and falls.
  • the bulging portion of the dead bed can be scraped off to prevent the bulging portion from occurring. Therefore, it is possible to secure a constant supply of the crushed raw material into the rotor.
  • the crushed raw material is supplied to the outside as far as possible from the center of Rhoyu, while crushing and expanding while spreading.
  • the bulging portion of the dead bed is scraped off by using the broken frame material, and the occurrence of the bulging portion can be prevented. Therefore, it is possible to secure a certain amount of supply of the crushed raw material into the rotor. Further, since the crushed raw material is supplied into the rotor while spreading, the supply amount can be increased.
  • FIG. 1 is an explanatory diagram of the overall structure of Embodiment 1 of the present invention
  • FIG. 2 is an explanatory diagram of a main part of Embodiment 1 of the present invention
  • FIG. 3 is a diagram of Embodiment 2 of the present invention.
  • FIG. 4 is an explanatory view of the entire structure of a conventional centrifugal crusher
  • FIG. 5 is an explanatory view of a crushed material supply path of the conventional centrifugal crusher.
  • supply ports 14 and 23 are opened in the center of the chute 3 of the crushing chamber top plate 13 and the center of the rotor upper disk 22, respectively. These supply ports 14 and 23 are set up so that they are located on the straight line of their central axial force.
  • the diameter of the supply ports 14 and 23 is formed slightly larger than the outer diameter of the fitting portion of the reinforcing material described later, so that the fitting portion can be attached.
  • the diameter of the supply ports 4 and 23 is set in advance so as to obtain a required supply path diameter in consideration of the thickness of the fitting portion of the reinforcing material.
  • the upper openings 5 and the tubular lower reinforcement 6 are attached to the supply ports 14 and 23 opened as described above, respectively.
  • Both of the reinforcing members 5 and 6 are preferably formed of a material having wear resistance such as a special hiking mouth.
  • the upper reinforcing member 5 includes a fitting portion 51 and a flange portion 52.
  • the outer diameter of the fitting portion 51 is formed to be slightly smaller than the diameter of the supply port 14 so that it can be mounted.
  • the flange portion 52 is formed to be larger than the diameter of the supply port 14, is hooked on the top plate 13, and is configured so that the upper reinforcing member 5 can be fixed.
  • the upper reinforcing member 5 and a lower reinforcing member 6 to be described later are fixed by bolts or other means so as to be detachably attached for replacement when worn.
  • the lower reinforcing member 6 is composed of a fitting portion 61, a flange portion 62, and an iLh portion 63, and the fitting portion 61 and the flange portion 62 are formed similarly to the upper reinforcing material 5.
  • the upper end 63 has a height such that the upper end thereof is close to the upper reinforcing member 5.
  • the internal space of both reinforcements 5, 6 shall be supply channels 53a, 64 for crushed raw materials. Since there is no need to provide a gap inside the supply port 23, the diameter of the supply path 64 can be expanded as compared with the case where a conventional feed pipe is used, and the supply amount of the broken frame material is increased. be able to.
  • the diameter of the supply path 53 a of the upper reinforcing member 5 is formed to be slightly smaller than the diameter of the supply path 64 of the lower reinforcing member 6. This is because if the diameters of the supply passages 53a and 64 are the same, the supplied fine L, crushed raw material pieces, etc. will be in the gap between the lower end surface of the upper reinforcement 5 and the upper end surface of the lower reinforcement 6. This is to prevent the You.
  • a crusher head with a crushing chamber top plate of 13 £ Lh is configured to be separable from the main body.
  • the top plate 13 is configured separately from the side wall 15 of the crushing chamber 11 so as to be separable, and the top plate 13 and the side wall 15 are connected by the fixing device 16.
  • the fixing device 16 various types of force (for example, a device in which one end of a pin 16 a is pivotally supported on the side wall 15 and a fastening jig 16 b is attached to the other end is used.
  • the notch 1 7 provided on the periphery of the top plate 1 3 fitted pins 1 6 a performs secure the upper surface of the top plate 1 3 signed by the jig 1 6 b tightening 0
  • the upper reinforcing material 5 and the lower reinforcing material 6 are supplied into the rotor 2 by being mm, and are discharged toward the dead bed 12 around the rotor 2 to be crushed. It is necessary to remove the crusher head from the place where the inspection of the crushing room is performed. To remove the crusher head, first loosen the fastening jig 16 b of the fixing device 16, lower the pin 16 a, and release the connection between the top plate 13 and the side wall 15. The crusher head can then be raised slightly and slid horizontally.
  • the upper reinforcing material 5 of the first embodiment is a force that is a place where the inner peripheral surface of the upper reinforcing material stands upright.As shown in FIG. 3, the inner peripheral surface 54 of the upper reinforcing material 5 gradually expands from the lower end to the upper end. In some cases, the supply path 53b may be formed.
  • the lower reinforcing member has a tubular shape, but an annular lower reinforcing member 7 as shown in FIG. 3 can also be employed.
  • the lower reinforcing member 7 is composed of a fitting portion 7 1 and a flange portion 7 2.
  • the outer diameter of the fitting portion 7 1 is formed to be slightly smaller than the diameter of the supply port 23, and a flange is provided so that it can be mounted.
  • the part 72 is formed so as to be larger than the diameter of the supply port 23, is hooked on the upper disk 22 of the rotor 2, and is configured to fix the lower reinforcing member 7.
  • the inner peripheral surface 73 of the lower reinforcing member 7 is formed by gradually expanding from the upper end to the lower end, and its internal space is a supply path 74 for the crushed raw material. Since there is no need to provide a gap inside the supply port 23, the diameter of the supply path 74 can be expanded as compared with the case where a conventional feed pipe is used, and the supply amount of the crushed raw material can be increased. Can be. Further, similarly to the first embodiment, the diameter of the supply path 53 of the upper reinforcing member 5 is formed slightly smaller than the diameter of the supply path 74 of the lower reinforcing member 7.
  • the inner peripheral surface of the lower reinforcement 7 7 3 Force ⁇ Because it expands from the top to the bottom, the supplied crushed raw material collides and spreads, and is at a maximum distance from the center of the mouth 2 Supplied outside. Therefore, since the bulging portion 81 of the dead bed 8 is always scraped off by the supplied crushed raw material, the bulging portion 81 can be prevented from being generated. In addition, since the crushed raw material is supplied while being spread, the supply amount can be increased.
  • the inner peripheral surface of the upper reinforcing member 5 of the first embodiment may be gradually expanded from the lower end to the upper end as in the second embodiment, and the inner peripheral surface of the tubular lower reinforcing member 6 of the first embodiment.
  • the surface may be formed by gradually expanding from the upper end to the lower end as in the second embodiment.
  • the present invention is suitable for a centrifugal crusher for crushing a raw material such as a mineral and a reinforcing material for a crushed raw material supply port.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention concerne une machine centrifuge de concassage et un élément de renforcement destiné à un orifice d'alimentation en matériau brut à concasser. L'invention se caractérise en ce que des orifices d'alimentation (14, 23) sont ménagés dans des parties centrales situées, respectivement, à l'intérieur d'un couloir (3) d'alimentation en matériau brut à concasser, placé sur la plaque supérieure (13) d'une chambre de concassage (11), et sur une plaque discoïdale (22) d'un rotor (2), et en ce qu'un élément de renforcement supérieur (5) et un élément de renforcement inférieur (6 ou 7) sont montés de façon séparée, respectivement, sur les parties périphériques des orifices d'alimentation (14, 23).
PCT/JP1994/002013 1994-11-28 1994-11-30 Machine centrifuge de concassage, et element de renforcement pour orifice d'alimentation en materiau brut a concasser WO1996016740A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP95902278A EP0740961A4 (fr) 1994-11-28 1994-11-30 Machine centrifuge de concassage, et element de renforcement pour orifice d'alimentation en materiau brut a concasser
AU11197/95A AU1119795A (en) 1994-11-28 1994-11-30 Centrifugal crushing machine and reinforcing material for a supply port of raw material to be crushed

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6/317590 1994-11-28
JP6317590A JP2936382B2 (ja) 1994-11-28 1994-11-28 遠心破砕機及び破砕原料供給口の補強材

Publications (1)

Publication Number Publication Date
WO1996016740A1 true WO1996016740A1 (fr) 1996-06-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1994/002013 WO1996016740A1 (fr) 1994-11-28 1994-11-30 Machine centrifuge de concassage, et element de renforcement pour orifice d'alimentation en materiau brut a concasser

Country Status (4)

Country Link
EP (1) EP0740961A4 (fr)
JP (1) JP2936382B2 (fr)
AU (1) AU1119795A (fr)
WO (1) WO1996016740A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108906227A (zh) * 2018-07-05 2018-11-30 福建南方路面机械有限公司 一种立轴式破碎机及其破碎方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860605A (en) 1996-10-11 1999-01-19 Johannes Petrus Andreas Josephus Van Der Zanden Method and device for synchronously making material collide
WO2013127508A1 (fr) 2012-02-29 2013-09-06 Dichter Ingrid Logement de broyeur à trafic de particules régulé
EP2666543B1 (fr) * 2012-05-23 2020-04-08 Sandvik Intellectual Property AB Tube d'alimentation de concasseur à impact à arbre vertical
JP6776613B2 (ja) * 2016-05-17 2020-10-28 株式会社サタケ 粉砕機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132741U (fr) * 1986-02-18 1987-08-21
JPH0585445U (ja) * 1992-04-24 1993-11-19 コトブキ技研工業株式会社 遠心破砕機ロ−タ内への原料供給路の構造
JP3000057U (ja) * 1994-01-07 1994-07-26 コトブキ技研工業株式会社 遠心破砕機ロ−タ内への原料供給路の構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578254A (en) * 1968-09-23 1971-05-11 Bruce V Wood Impact crusher
GB1283961A (en) * 1969-04-19 1972-08-02 Bardon Hill Quarries London Lt Improvements in or relating to apparatus for breaking up materials, particularly stone and stone-like material
FR2594048B1 (fr) * 1986-02-10 1988-05-27 Framatome Sa Roue de broyeur a projection sous vide.
US5174513A (en) * 1991-05-22 1992-12-29 Canica Crushers, Inc. Efficient centrifugal impact crusher with dust removal capability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132741U (fr) * 1986-02-18 1987-08-21
JPH0585445U (ja) * 1992-04-24 1993-11-19 コトブキ技研工業株式会社 遠心破砕機ロ−タ内への原料供給路の構造
JP3000057U (ja) * 1994-01-07 1994-07-26 コトブキ技研工業株式会社 遠心破砕機ロ−タ内への原料供給路の構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0740961A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108906227A (zh) * 2018-07-05 2018-11-30 福建南方路面机械有限公司 一种立轴式破碎机及其破碎方法
CN108906227B (zh) * 2018-07-05 2023-09-19 福建南方路面机械股份有限公司 一种立轴式破碎机及其破碎方法

Also Published As

Publication number Publication date
JPH08141419A (ja) 1996-06-04
EP0740961A1 (fr) 1996-11-06
EP0740961A4 (fr) 1998-08-12
JP2936382B2 (ja) 1999-08-23
AU1119795A (en) 1996-06-19

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