WO2007105292A1 - Broyeur centrifuge - Google Patents

Broyeur centrifuge Download PDF

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Publication number
WO2007105292A1
WO2007105292A1 PCT/JP2006/304887 JP2006304887W WO2007105292A1 WO 2007105292 A1 WO2007105292 A1 WO 2007105292A1 JP 2006304887 W JP2006304887 W JP 2006304887W WO 2007105292 A1 WO2007105292 A1 WO 2007105292A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
hammer
crushing
centrifugal crusher
crusher
Prior art date
Application number
PCT/JP2006/304887
Other languages
English (en)
Japanese (ja)
Inventor
Takato Kaya
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 PCT/JP2006/304887 priority Critical patent/WO2007105292A1/fr
Priority to JP2008504945A priority patent/JPWO2007105292A1/ja
Publication of WO2007105292A1 publication Critical patent/WO2007105292A1/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
    • 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

Definitions

  • the present invention relates to a centrifugal crusher that crushes crushing raw materials such as rocks, minerals, and concrete glass.
  • Crushing raw material introduced into a rotor that rotates at high speed in one direction around a vertical axis is discharged at high speed from a plurality of discharge ports established in the port using centrifugal force generated by rotation of the port.
  • a centrifugal crusher that collides with a dead bed formed in a crushing chamber around the rotor and crushes it finely is known as disclosed in Patent Document 1.
  • a centrifugal crusher is known from Patent Document 2 in which a hammer 11 is provided on the peripheral surface of the rotor 10 to increase the crushing efficiency.
  • the noma 11 hits and crushes the crushing raw material 30 released from the discharge loci of the mouth 10.
  • Patent Document 1 Japanese Patent Laid-Open No. 11 28376
  • Patent Document 2 JP 2000-153169 A
  • Centrifugal crusher is equipped with a drive source 40 such as an electric motor for rotating the rotor 10.1S It is necessary to install a drive source 40 with large energy consumption to rotate the heavy rotor 10 with a large diameter at high speed. Yes, there is room for economic improvement.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide the following centrifugal crusher.
  • a first invention of the present application includes a rotor that rotates around a rotating shaft, and a crusher body that houses the rotor and forms a crushing chamber therein, and a hammer projects around the rotor.
  • a centrifuge crusher provided with a support projecting from the side of the rotor, and a hammer attached to the support to form a transmission space between the inside of the hammer and the side of the rotor.
  • a centrifugal crusher is provided.
  • the second invention of the present application is characterized in that, in the first invention, a plurality of hammers are provided with a side force of the rotor at a predetermined distance through a plurality of support members protruding from the side of the rotor.
  • a centrifugal crusher is provided.
  • the hammer has an extension part, and the extension part crushes the raw material falling below the raw material drop point of the dead bed provided around the rotor.
  • a centrifugal crusher is provided.
  • a fourth invention of the present application provides a centrifugal crusher according to the first invention, wherein the hammer has a vertically long striking surface.
  • the present invention can obtain the following excellent effects.
  • Fig. 1 shows a longitudinal sectional view of a centrifugal crusher according to the present invention
  • Fig. 2 shows a horizontal sectional view thereof.
  • the basic configuration of a centrifugal crusher is the same as that of the conventional centrifugal crusher described above.
  • a rotor 10 that rotates in one direction around the rotating shaft 12 and a crusher body 20 that rotatably accommodates the rotor 10 are configured.
  • the hammer 11 is provided with a side force of the rotor 20 at a predetermined distance, and a permeation space is also formed between the inside of the hammer 11 and the side of the rotor 10. It is.
  • the rotor 10 includes a top plate 13 and a bottom plate 14 that are arranged to face each other up and down at a predetermined interval.
  • the top plate 13 may be omitted.
  • the explanation will be given on the case where three discharge ports 15 are formed on the circumferential surface of the rotor 10 at equal intervals.
  • the number of the discharge ports 15 formed may be two or four or more. A number shall be selected.
  • a tip end 16 made of a hard material is provided at the discharge end portion of each discharge port 15 to protect the discharge end portion from the collision force of the crushing raw material 30.
  • the deadrest 32 shown in the rotor 10 is shown as a force.
  • the rotor 10 may be composed of a wear-resistant material provided radially, and the tip 16 may be omitted. is there.
  • An opening through which the crushing raw material 30 can be supplied is formed at the center of the top plate 13.
  • a rotating shaft 12 is provided at the center of the bottom surface of the bottom plate 14 so that the rotor 10 can be rotated in one direction by receiving rotational driving of a driving source 40 such as a motor.
  • Hammer Support members 17 are horizontally projected at a plurality of locations on the peripheral surface of the rotor 10, and a hammer 11 oriented vertically is fixed to the end of each of the support members 17.
  • the hammer 11 If the hammer 11 having a large projecting length is attached while the force is applied, the hammer 11 functions as a blade member for stirring the air, so that a high-speed swirling air is generated in the crushing chamber.
  • the protrusion length of the hammer 11 is increased to increase the outermost rotation speed V of the hammer 11.
  • the present invention provides a hammer 11 at a predetermined distance from the rotor 10 on the side of the rotor 10 in which the discharge port 15 that eliminates the above-described adverse effects is formed.
  • the present invention is capable of hitting and destroying the crushed raw material with the rotational speed V of the outermost circumference of the hammer 11 under the environment, while being hardly affected by the swirling wind.
  • the size of the hammer 11 that crushes by crushing the crushing raw material 30 existing in the crushing chamber 21 does not significantly impair the hitting and breaking function of the crushing raw material 30 and generates swirling air in the crushing chamber 21.
  • the shape of the striking surface of the hammer 11 may be a polygonal shape, a circular shape or the like in addition to a vertically long rectangular shape as shown in the figure.
  • the support 17 has a strength that can withstand the hammering reaction force of the hammer 11, and appropriately selects a size and shape that can suppress the generation of swirling air in the crushing chamber.
  • the support 17 may be a plate having a streamlined cross-sectional shape or an open-hole structure capable of transmitting air.
  • the number of hammers 11 installed through the support 17 is one or more.
  • the rotor 10 as a whole may be arranged at unequal intervals, in addition to being arranged at equal intervals on the side of the rotor 10.
  • the protrusion length of the support member 17 (the separation length of the sleeve 11) may be made uniform or non-uniform.
  • the hammer 11 is not limited to a single continuous member, but the hammer 11 may be divided in the horizontal direction and the divided hammers may be provided in multiple stages.
  • the plurality of divided hammers may be provided on the same vertical line, or the plurality of divided hammers may be provided spirally on the circumferential surface of the rotor 10. In either case, a plurality of hammers divided with respect to the rotor 10 are provided in multiple stages.
  • the hammer 11 is installed according to the type of the crushing material and the rotation speed of the rotor 10 so that the crushing material released from the rotor 10 can be efficiently crushed by the hammer 11. In consideration of the crushing efficiency by YAMANO 11 and NAMOMA 11, the most suitable form is selected from the above.
  • an annular crushing chamber 21 is formed inside the crusher main body 20 that accommodates the rotor 10 so as to surround the rotor 10.
  • the crushing raw material 30 discharged from the rotor 10 is deposited to form a dead bed 31.
  • the centrifugal crusher 10 uses a crushing raw material 30 such as mineral introduced into the central portion of the rotating rotor 10 through the inlet 22 of the crusher main body 20 to centrifuge force. After rolling along the deadrest 32 in the rotor 10 by crushing, the crushing by the tip 16 that also serves as a bit, and the crushing by discharging from each discharge port 15 and colliding with the surrounding dead bed 31
  • the basic crushing principle is the same as before.
  • the crushing raw material 30 is discharged through a deadrest 32 formed in the rotor 10. In addition to the case of releasing from 5, it is also possible to release directly from the outlet 15 without going through the dead rest 32.
  • the centrifugal crusher according to the present invention has the hammer 11 provided at a predetermined distance from the rotor 20, and a transmission space is provided between the inside of the hammer 11 and the side of the rotor 10. Is formed.
  • the impact relative speed between the crushing raw material 30 and the hammer 11 existing in the crushing chamber 21 is increased, so that the hammer 11 collides with the hammer 11 rotating at a high speed and is crushed.
  • the hammering force of the hammer 11 is not easily relaxed by the swirling wind, so that the crushing raw material can be effectively crushed.
  • the crushed raw material 30 Since the release speed of the crushed material 30 is excellent, the crushed raw material 30 is hit by the hammer 11 and crushed due to this speed difference.
  • the driving source 40 such as a motor that rotationally drives the rotor 10 of the centrifugal crusher is compared with the conventional case assuming that the maximum diameter of the hammer 11 is designed to be the same.
  • the diameter of the rotor 10 can be designed to be smaller than that of the conventional one, so that the rotational torque of the rotor 10 is reduced and the energy consumption is reduced. Can handle with small ability.
  • the hammer 11 can be sufficiently compensated for by the damage of the hammer 11, so that the overall performance of the centrifugal crusher can be prevented while reducing the energy consumption of the drive source 40.
  • FIG. 3 shows another embodiment in which the lower portion of the hammer 11 is extended downward to integrally form the extension portion 11a.
  • the extension 11a of the hammer 11 is formed to extend downward from the raw material dropping point P of the dead bed 31 provided around the rotor 10.
  • extension 11a is formed by extending the length reaching the bottom of the bottom plate 14 constituting the falling is shown.
  • the hitting time of the crushing raw material becomes longer by the extension of the extension 1 la to the hammer 11.
  • the extension 11a of the hammer 11 can crush the raw material falling below the raw material dropping point of the dead bed 31, the crushing efficiency is improved as compared with the nonma without the extension 1 la.
  • the hammer 11 is provided at a predetermined distance from the rotor 20 to suppress the generation of swirling air in the crushing chamber 21 as in the above-described embodiment.
  • the present invention can be applied to various known centrifugal crushers as long as it is a crusher having a rotor that rotates about a vertical axis.
  • the rotational speed V of the rotor 10 and the rotational speed V of the hammer 11 can be selected as appropriate.
  • the rotational speed V of the rotor 10 of the present invention is set at the mouth of a conventional centrifugal crusher.
  • the rotation speed V of the hammer 11 is approximately equal to the rotation speed of the motor.
  • It may be set larger than the rotation speed of the hammer 11 of the crusher.
  • FIG. 1 is a longitudinal sectional view of a centrifugal crusher according to the present invention.

Landscapes

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

Abstract

La présente invention concerne un broyeur centrifuge qui présente un rendement de broyage sensiblement optimisé et des caractéristiques d'économie d'énergie. Des corps de support (17) font saillie à partir d'une section latérale d'un rotor (10), et des marteaux (11) sont fixés aux têtes des corps de support (17). En conséquence, un espace de pénétration est formé entre le côté intérieur des marteaux (11) et la section latérale du rotor (10).
PCT/JP2006/304887 2006-03-13 2006-03-13 Broyeur centrifuge WO2007105292A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2006/304887 WO2007105292A1 (fr) 2006-03-13 2006-03-13 Broyeur centrifuge
JP2008504945A JPWO2007105292A1 (ja) 2006-03-13 2006-03-13 遠心破砕機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/304887 WO2007105292A1 (fr) 2006-03-13 2006-03-13 Broyeur centrifuge

Publications (1)

Publication Number Publication Date
WO2007105292A1 true WO2007105292A1 (fr) 2007-09-20

Family

ID=38509143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/304887 WO2007105292A1 (fr) 2006-03-13 2006-03-13 Broyeur centrifuge

Country Status (2)

Country Link
JP (1) JPWO2007105292A1 (fr)
WO (1) WO2007105292A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105728110A (zh) * 2016-04-06 2016-07-06 福建南方路面机械有限公司 抛料机构及设有该抛料机构的离心式破碎机
CN112536125A (zh) * 2020-11-18 2021-03-23 枣庄鑫金山智能装备有限公司 一种离心筛选式破碎制砂装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106622490A (zh) * 2016-11-01 2017-05-10 南昌矿山机械有限公司 冲打式转子及立轴冲打式破碎机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02106588U (fr) * 1989-02-13 1990-08-24
WO2002013971A1 (fr) * 2000-08-11 2002-02-21 Kotobuki Engineering & Manufacturing Co., Ltd. Broyeur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63201639U (fr) * 1987-06-12 1988-12-26
JPH0755781B2 (ja) * 1988-10-12 1995-06-14 三菱電機株式会社 張り車装置
JPH02149354A (ja) * 1988-11-29 1990-06-07 Kurimoto Ltd 竪型衝撃式破砕機
AU2001277715B2 (en) * 2000-08-11 2006-09-21 Kotobuki Engineering And Manufacturing Company Limited Crusher rotor
JP4443264B2 (ja) * 2003-03-28 2010-03-31 株式会社アーステクニカ 竪型衝撃式破砕機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02106588U (fr) * 1989-02-13 1990-08-24
WO2002013971A1 (fr) * 2000-08-11 2002-02-21 Kotobuki Engineering & Manufacturing Co., Ltd. Broyeur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105728110A (zh) * 2016-04-06 2016-07-06 福建南方路面机械有限公司 抛料机构及设有该抛料机构的离心式破碎机
CN112536125A (zh) * 2020-11-18 2021-03-23 枣庄鑫金山智能装备有限公司 一种离心筛选式破碎制砂装置

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