DE60036964D1 - ROTATING MILL - Google Patents

ROTATING MILL

Info

Publication number
DE60036964D1
DE60036964D1 DE60036964T DE60036964T DE60036964D1 DE 60036964 D1 DE60036964 D1 DE 60036964D1 DE 60036964 T DE60036964 T DE 60036964T DE 60036964 T DE60036964 T DE 60036964T DE 60036964 D1 DE60036964 D1 DE 60036964D1
Authority
DE
Germany
Prior art keywords
particles
chamber
reduction
outlet chamber
rotary mill
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
Application number
DE60036964T
Other languages
German (de)
Other versions
DE60036964T2 (en
Inventor
William G Steed
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.)
Patent Applied Technology
Original Assignee
Patent Applied Technology
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 Patent Applied Technology filed Critical Patent Applied Technology
Publication of DE60036964D1 publication Critical patent/DE60036964D1/en
Application granted granted Critical
Publication of DE60036964T2 publication Critical patent/DE60036964T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
    • B02C13/09—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor and throwing the material 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
    • B02C13/288—Ventilating, or influencing air circulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Supercharger (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Crushing And Grinding (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

A rotary mill for reduction of ore to particles is described. The rotary mill comprises a primary reduction chamber (18), a secondary reduction chamber (20) and an outlet chamber (22). Material entering the primary reduction chamber (18) is deflected by an impact rotor (16), which shatters the material and sends the resulting particles into a plurality of shatter bars (28). The shatter bars (28) further reduce these particles and deflect them back towards the rotor so that the reduced particles encounter newly shattered material, causing further attrition. In addition, the rotary mill includes an exhaust fan (14) arranged to generate an airflow from the primary reduction chamber, through the secondary reduction chamber and into the outlet chamber. This airflow carries the reduced particles into the secondary reduction chamber (20) wherein the particles are thrown against reduction means (32). The reduction means (32) are positioned between the secondary reduction chamber (20) and the outlet chamber (22) such that only particles below a certain size enter the outlet chamber. Material of sufficiently reduced size enters the outlet chamber wherein it is separated into fine particles and heavier particles. Specifically, the heavier particles fall out of the airflow and gather at the base of the outlet chamber until a sufficient weight accumulates to open the balance door (40) which expels the heavy material from the rotary mill.
DE60036964T 2000-01-06 2000-01-06 ROTATING MILL Expired - Lifetime DE60036964T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2000/000002 WO2001049417A1 (en) 2000-01-06 2000-01-06 Rotary mill

Publications (2)

Publication Number Publication Date
DE60036964D1 true DE60036964D1 (en) 2007-12-13
DE60036964T2 DE60036964T2 (en) 2008-05-21

Family

ID=4143030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60036964T Expired - Lifetime DE60036964T2 (en) 2000-01-06 2000-01-06 ROTATING MILL

Country Status (7)

Country Link
EP (1) EP1255611B1 (en)
AT (1) ATE376883T1 (en)
AU (1) AU777743B2 (en)
CA (1) CA2396580C (en)
DE (1) DE60036964T2 (en)
ES (1) ES2295003T3 (en)
WO (1) WO2001049417A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1737931A (en) * 1928-01-05 1929-12-03 Frank G Lugrin Coal pulverizer
CH269259A (en) * 1943-08-03 1950-06-30 Tortorelli Fratelli Hammer mill.
BE726597A (en) * 1968-02-27 1969-06-16
AU512623B2 (en) * 1973-05-30 1980-10-23 Verdun Barker Arnold Hammer mills
US3887141A (en) 1973-09-17 1975-06-03 Ind Mining Machinery Corp Impact-attrition mill utilizing air flow
US4361290A (en) * 1980-06-23 1982-11-30 Francis Peter M Adjustable rotary crusher
WO1988005340A1 (en) * 1987-01-15 1988-07-28 Graziano Sirol A mill
US4848677A (en) * 1987-10-30 1989-07-18 Illabo Mining Equipment Company Comminution/recovery ore mill

Also Published As

Publication number Publication date
EP1255611B1 (en) 2007-10-31
CA2396580C (en) 2008-01-22
EP1255611A1 (en) 2002-11-13
ATE376883T1 (en) 2007-11-15
AU777743B2 (en) 2004-10-28
CA2396580A1 (en) 2001-07-12
ES2295003T3 (en) 2008-04-16
AU1853300A (en) 2001-07-16
DE60036964T2 (en) 2008-05-21
WO2001049417A1 (en) 2001-07-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition