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Title: Pebble treatment and use at Cleveland-Cliffs` autogenous milling operations

Abstract

Subsidiaries of Cleveland-Cliffs Inc. operate seven iron mining operations worldwide. Of these seven operations, four North American facilities employ autogenous milling. Two of these autogenous milling circuits are in northern Michigan, the Tilden and Empire Mines, one is in northern Minnesota, Hibbing Taconite, and the fourth is the Wabush Mine in Labrador. The original autogenous milling circuit developed by Cleveland-Cliffs was at the Empire Mine. Extensive laboratory, pilot plant and full-scale testing was conducted prior to commissioning this first iron ore autogenous circuit in 1963. Since the original circuits were installed at the four mines, modifications have been made based on pilot plant and full-scale plant tests that have resulted in significant improvements in primary mill throughputs. The following is a discussion of the autogenous milling circuits at Empire, Tilden and Hibtac and the changes to the circuits related to pebble treatment and use that have been and are scheduled to be made to increase feed rates and/or improve efficiency.

Authors:
;
Publication Date:
OSTI Identifier:
485032
Report Number(s):
CONF-9604203-
TRN: IM9727%%200
Resource Type:
Conference
Resource Relation:
Conference: 69. Annual meeting Minnesota Section SME, and 57. Annual University of Minnesota mining symposium, Duluth, MN (United States), 23-25 Apr 1996; Other Information: PBD: 1996; Related Information: Is Part Of 69. annual meeting Minnesota Section SME and 57. mining symposium University of Minnesota: Proceeding. Realizing new visions: Research, reengineering, reinvention; PB: 241 p.
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; GRINDING MACHINES; ORE PROCESSING; MINERAL INDUSTRY; IRON ORES; PRODUCTIVITY; DESIGN; ENERGY EFFICIENCY; FLOWSHEETS

Citation Formats

Greenwood, B R, and McIvor, R E. Pebble treatment and use at Cleveland-Cliffs` autogenous milling operations. United States: N. p., 1996. Web.
Greenwood, B R, & McIvor, R E. Pebble treatment and use at Cleveland-Cliffs` autogenous milling operations. United States.
Greenwood, B R, and McIvor, R E. 1996. "Pebble treatment and use at Cleveland-Cliffs` autogenous milling operations". United States.
@article{osti_485032,
title = {Pebble treatment and use at Cleveland-Cliffs` autogenous milling operations},
author = {Greenwood, B R and McIvor, R E},
abstractNote = {Subsidiaries of Cleveland-Cliffs Inc. operate seven iron mining operations worldwide. Of these seven operations, four North American facilities employ autogenous milling. Two of these autogenous milling circuits are in northern Michigan, the Tilden and Empire Mines, one is in northern Minnesota, Hibbing Taconite, and the fourth is the Wabush Mine in Labrador. The original autogenous milling circuit developed by Cleveland-Cliffs was at the Empire Mine. Extensive laboratory, pilot plant and full-scale testing was conducted prior to commissioning this first iron ore autogenous circuit in 1963. Since the original circuits were installed at the four mines, modifications have been made based on pilot plant and full-scale plant tests that have resulted in significant improvements in primary mill throughputs. The following is a discussion of the autogenous milling circuits at Empire, Tilden and Hibtac and the changes to the circuits related to pebble treatment and use that have been and are scheduled to be made to increase feed rates and/or improve efficiency.},
doi = {},
url = {https://www.osti.gov/biblio/485032}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 31 00:00:00 EST 1996},
month = {Tue Dec 31 00:00:00 EST 1996}
}

Conference:
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