Location

Rolla, MO

Session Start Date

6-11-1999

Session End Date

6-17-1999

Keywords and Phrases

Design; Fans; Air Volume; Air Distribution; Operating Cost; Airflow Control

Abstract

Kidd Mine is the single largest producing base metal mine of Falconbridge Limited. Approximately 3 million tonnes of zinc-copper ore is produced annually. The present ventilation system, designed some 30 years ago, uses a multitude of intake and exhaust fans, in a series-parallel configuration, to move 925 m3/s (2,000,000 cfm) through the mine. The system, owing to the ever increasing depth of mining, has reached its limitation and has become cumbersome to maintain. It was recognized that with the mine progressing from the original depth of 855 m (2800 ft) to the current depth of 2070 m (6800 ft) and beyond, a major redesign was needed. At the beginning of 1998 the mine embarked on the review of the total ventilation system with a goal to improve efficiency, reduce power consumption by at least one third, eliminate recirculation and increase overall effectiveness of the system. Ventilation simulation suggested gradual replacement of the current multitude of fans with fewer fans strategically located throughout the mine. The new arrangement will allow for better airflow control, eliminate recirculation and substantially reduce the operating cost. This paper deals with the concept rather than with an ultimate solution.

Department(s)

Mining and Nuclear Engineering

Appears In

U.S. Mine Ventilation Symposium

Meeting Name

8th U.S. Mine Ventilation Symposium

Publisher

University of Missouri--Rolla

Publication Date

6-11-1999

Document Version

Final Version

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Jun 11th, 12:00 AM Jun 17th, 12:00 AM

Optimization of the Ventilation System at Kidd Mine of Falcon bridge Limited

Rolla, MO

Kidd Mine is the single largest producing base metal mine of Falconbridge Limited. Approximately 3 million tonnes of zinc-copper ore is produced annually. The present ventilation system, designed some 30 years ago, uses a multitude of intake and exhaust fans, in a series-parallel configuration, to move 925 m3/s (2,000,000 cfm) through the mine. The system, owing to the ever increasing depth of mining, has reached its limitation and has become cumbersome to maintain. It was recognized that with the mine progressing from the original depth of 855 m (2800 ft) to the current depth of 2070 m (6800 ft) and beyond, a major redesign was needed. At the beginning of 1998 the mine embarked on the review of the total ventilation system with a goal to improve efficiency, reduce power consumption by at least one third, eliminate recirculation and increase overall effectiveness of the system. Ventilation simulation suggested gradual replacement of the current multitude of fans with fewer fans strategically located throughout the mine. The new arrangement will allow for better airflow control, eliminate recirculation and substantially reduce the operating cost. This paper deals with the concept rather than with an ultimate solution.