EP2351615A2 - Verfahren und Vorrichtung zum Zerkleinern in einem konischen Zerkleinerer mit Exzenterantrieb - Google Patents

Verfahren und Vorrichtung zum Zerkleinern in einem konischen Zerkleinerer mit Exzenterantrieb Download PDF

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Publication number
EP2351615A2
EP2351615A2 EP11156410A EP11156410A EP2351615A2 EP 2351615 A2 EP2351615 A2 EP 2351615A2 EP 11156410 A EP11156410 A EP 11156410A EP 11156410 A EP11156410 A EP 11156410A EP 2351615 A2 EP2351615 A2 EP 2351615A2
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EP
European Patent Office
Prior art keywords
crushing
eccentric
crusher
drive
conical
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
Application number
EP11156410A
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English (en)
French (fr)
Other versions
EP2351615A3 (de
EP2351615B1 (de
Inventor
Konstantin Evseevich Belotserkovsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Intellectual Property AB
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Sandvik Intellectual Property AB
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Publication date
Application filed by Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Publication of EP2351615A2 publication Critical patent/EP2351615A2/de
Publication of EP2351615A3 publication Critical patent/EP2351615A3/de
Application granted granted Critical
Publication of EP2351615B1 publication Critical patent/EP2351615B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
    • B02C2/042—Moved by an eccentric weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
    • B02C2/047—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with head adjusting or controlling mechanisms

Definitions

  • the invention relates to methods for medium and fine crushing in conical eccentric-drive crushers and can find the widest use in the building and mining-and-metallurgical industries.
  • the crushing methods in the existing eccentric-drive crushers had no changes from the moment of their development in 1878.
  • the compression ratio of a material layer at a crushing plane is limited by a drive excenter; therefore, an inner movable cone cannot have amplitude of vibrations different from a drive eccentricity. Hence, the crushing ratio is not higher than 6 ⁇ 7.
  • Known is also a method of improving process parameters of an eccentric-drive crusher (the USSR Inventor's Certificate No 625770 of April 25, 1977 ), comprising: idle starting the crusher; decreasing a size of a discharging slot down to a first touch with an inner cone; fixing the achieved slot size; and charging the crusher with a mineral.
  • the method allows achievement of a minimum tolerable size of the discharging slot due to taking all radial clearances (about 4 mm total) up in an eccentric assembly because of pressing a cone shaft by a centrifugal force to an eccentric surface and pressing an eccentric to a cylindrical sleeve..
  • Such a method gives rise to the crushing ratio already up to 7 ⁇ 8.
  • the method comprises: setting a discharging slot between crushing cones; charging a crushing chamber with a raw mineral; crushing the raw mineral; determining a grain-size of a crushing product; and correcting a size of said slot to obtain a required grain-size of the product.
  • a problem to be solved by the method is to organize such a sequence of operations that provide a high crushing ratio at the enhanced productivity and the reduced specific energy consumption.
  • the method can be realized in a conical eccentric-drive crusher.
  • a size of a discharging slot (11) is set to zero. This makes it possible to charge a crushing chamber a row material that will not get spilled through the crusher without treatment.
  • the start of the crusher takes place after the charge because it is known from the prior art that the idle operation of the crushing plant is undesirable since the friction of cones with each other results in the premature wear thereof.
  • a necessary size of the discharge slot (11) is set with taking into account that the greater is the discharging slot size, the greater is the clear opening of the crushing chamber and the higher is the crushing process productivity.
  • such an important parameter as a grain-size of the finished product is monitored by adjusting a rotational frequency of the eccentric: change of this parameter makes it possible to adjust a value and an application frequency of a crushing force.
  • the initial (starting) size of the discharging slot in the similar methods is selected greater than that required by the process. This is made in order to decrease a load to a drive of the eccentric (8) when the crushing chamber is filled with the raw material. There is idle starting the crusher, followed by charging the raw material, followed by decreasing the size of the discharging slot (11) down to a required or minimal possible size depending upon a required grain-size of the finished product.
  • Figure 1 shows a structure of an eccentric-drive crusher.
  • the crusher comprises a frame (1) with an outer crushing cone (2) in which an inner crushing cone (3) is located whose shaft (4) is supported via a spherical support (5) (consisting of a pivot journal and an end thrust bearing) to a piston (6) of a hydraulic cylinder (7) located in the frame (1).
  • An eccentric (8) is rotary mounted on the shaft (4) within a bearing cylindrical sleeve (9) with a radial clearance (10) that is higher then a size of a discharging slot (11) between the cones (2) and (3).
  • the cylindrical sleeve (9) mates with an electrical motor (14) via a gear pair (13).
  • An upper portion of the shaft (4) is located using a hinge (15) in a cross-arm (16).
  • One side of a drive member (12) is rigidly secured on the cylindrical sleeve (9) while another side thereof is inserted to a groove (17) of the eccentric (8).
  • the crusher operates as follows.
  • the torque of the electrical motor (14) is transferred via the gear pair (13) to the cylindrical sleeve (9) which rotates the eccentric (8) by means of a system of the drive member (12) inserted to the groove (17).
  • the latter develops a centrifugal force and involves the inner cone in circular vibrations.
  • the cone (3) also acquires a centrifugal force that is summed with the centrifugal force of the eccentric to obtain a crushing force due to which the intra-layer destruction of the raw material takes place in a plane formed by the crushing cones.
  • the method allows replacement of the fine crushing step and the first reducing step, for example, a rod mill, that is, allows solution of the problem posed in full measure.
  • One embodiment relates to a method for crushing in a conical eccentric-drive crusher, comprising: setting a size of a discharging slot between crushing cones; starting the crusher; charging a crushing chamber with a raw material; crushing the raw material; determining a grain-size of a crushing product; and correcting the discharging slot size to obtain a required grain-size of the product, characterized by first, setting the discharging slot size to zero; followed by charging the crushing chamber with the raw material and starting the crusher; followed by increasing the discharging slot size to achieve the required productivity of the crusher, and obtaining the required grain-size of the finished product by adjusting a rotational frequency of a drive eccentric.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)
EP11156410.0A 2004-12-22 2005-12-14 Verfahren und Vorrichtung zum Zerkleinern in einem konischen Zerkleinerer mit Exzenterantrieb Not-in-force EP2351615B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2004139141/03A RU2283697C2 (ru) 2004-12-22 2004-12-22 Способ дробления в конусной эксцентриковой дробилке
EP05851127A EP1839753B1 (de) 2004-12-22 2005-12-14 Verfahren zum schreddern in einem konischen schredder mit exzenterantrieb

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP05851127.0 Division 2005-12-14
EP05851127A Division EP1839753B1 (de) 2004-12-22 2005-12-14 Verfahren zum schreddern in einem konischen schredder mit exzenterantrieb

Publications (3)

Publication Number Publication Date
EP2351615A2 true EP2351615A2 (de) 2011-08-03
EP2351615A3 EP2351615A3 (de) 2012-11-14
EP2351615B1 EP2351615B1 (de) 2015-02-25

Family

ID=36602173

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11156410.0A Not-in-force EP2351615B1 (de) 2004-12-22 2005-12-14 Verfahren und Vorrichtung zum Zerkleinern in einem konischen Zerkleinerer mit Exzenterantrieb
EP05851127A Not-in-force EP1839753B1 (de) 2004-12-22 2005-12-14 Verfahren zum schreddern in einem konischen schredder mit exzenterantrieb

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05851127A Not-in-force EP1839753B1 (de) 2004-12-22 2005-12-14 Verfahren zum schreddern in einem konischen schredder mit exzenterantrieb

Country Status (9)

Country Link
EP (2) EP2351615B1 (de)
CN (1) CN101142024B (de)
AT (1) ATE499993T1 (de)
AU (1) AU2005319763B2 (de)
CA (1) CA2593968C (de)
DE (1) DE602005026718D1 (de)
RU (1) RU2283697C2 (de)
WO (1) WO2006068539A2 (de)
ZA (1) ZA200705517B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974488A (zh) * 2020-09-01 2020-11-24 枣庄鑫金山智能装备有限公司 一种偏心圆锥破碎机

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE535246C2 (sv) * 2010-07-09 2012-06-05 Sandvik Intellectual Property Konkross samt förfarande för att balansera denna
AU2013311110B2 (en) * 2013-03-08 2018-07-05 Sandvik Intellectual Property Ab Gyratory crusher outer crushing shell
EP3389868A1 (de) 2015-12-18 2018-10-24 Sandvik Intellectual Property AB Antriebsmechanismus für einen trägheits-kegelbrechers
CN105597863A (zh) * 2016-01-27 2016-05-25 苏州诚亭自动化设备有限公司 一种破碎机挤压装置
CN106391196A (zh) * 2016-11-18 2017-02-15 无锡大功机械制造有限公司 一种旋转式垃圾挤压装置
CN108499649A (zh) * 2018-06-07 2018-09-07 成都龙腾海兴机械设备有限公司 利用振动力做功的破碎机
CN112026228A (zh) * 2020-07-31 2020-12-04 大别山野岭饮料股份有限公司 一种复合饮料原料粉碎压榨机构
CN113941393B (zh) * 2021-10-27 2022-10-25 肖为民 强制同步谐振惯性圆锥破碎机
CN115254261A (zh) * 2022-06-07 2022-11-01 安徽美岚智能装备制造有限公司 一种矿场用轴承型中碎圆锥破碎机

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US3454230A (en) * 1966-09-29 1969-07-08 Simplicity Eng Co Combined crushing and attrition apparatus and method
US3456889A (en) * 1967-04-10 1969-07-22 Allis Chalmers Mfg Co Spider bearing assembly for gyratory crushers
US3700175A (en) * 1970-08-05 1972-10-24 Hisatuna Saito Gap controlling device for a cone crusher
DE2230788A1 (de) * 1971-11-17 1973-05-24 Thaelmann Schwermaschbau Veb Nullpunktsnachstelleinrichtung eines spaltweitenmessgeraetes fuer kegelbrecher
SU604576A1 (ru) * 1975-07-21 1978-04-30 Предприятие П/Я М-5703 Конусна дробилка дл тонкого измельчени
US4967967A (en) * 1989-11-17 1990-11-06 Nordberg Inc. Method of high crushing force conical crushing
SE511886C2 (sv) * 1992-01-31 1999-12-13 Svedala Arbra Ab Sätt att styra en gyratorisk kross
US5312053A (en) * 1993-01-07 1994-05-17 Cedarapids, Inc. Cone crusher with adjustable stroke
RU2049548C1 (ru) * 1993-06-28 1995-12-10 Борис Леонидович Гиршов Вибромельница
US5799885A (en) * 1996-11-22 1998-09-01 Nordberg, Inc. High reduction ratio crushing in conical/gyratory crushers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974488A (zh) * 2020-09-01 2020-11-24 枣庄鑫金山智能装备有限公司 一种偏心圆锥破碎机

Also Published As

Publication number Publication date
ATE499993T1 (de) 2011-03-15
EP2351615A3 (de) 2012-11-14
CN101142024B (zh) 2011-12-21
EP2351615B1 (de) 2015-02-25
WO2006068539A2 (fr) 2006-06-29
EP1839753B1 (de) 2011-03-02
EP1839753A4 (de) 2009-12-23
DE602005026718D1 (de) 2011-04-14
EP1839753A2 (de) 2007-10-03
RU2283697C2 (ru) 2006-09-20
AU2005319763A1 (en) 2006-06-29
CA2593968C (en) 2012-09-25
AU2005319763B2 (en) 2010-08-19
CN101142024A (zh) 2008-03-12
WO2006068539A3 (fr) 2006-10-12
ZA200705517B (en) 2012-09-26
CA2593968A1 (en) 2006-06-29

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