JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

This is the second paper in the mine mechanization course. In the

previous paper a few machinery working in the mining industry were introduced to the student. In this paper some more machines like winders in deep mines, opencast mine machinery and mine pumps are introduced.

Course outcomes: After going through this course the student will have basic knowledge of installation, commissioning, operation, maintenance and safety aspects of the mining machinery viz., different types of mine winders, man riding systems in underground mines, face machinery like SDL, LHD, Continuous miners, mine pumps and open cast mine machinery like Blast hole drills, shovels, dragline machine, BWE, dumpers etc.,

UNIT - I

Mine Winders: Koepe and Drum winders and their applications, head gear, head gear pulley, shaft fitting – Keps, rope guides, shaft sinking and bells, capping and recapping, cage and suspension gear.

UNIT - II

Winding Drum-types and construction, Safety devices in winders-over speed and over wind preventers, slow braking, depth indicator, Methods of counter balancing rope. Duty cycle. Mechanical and electrical braking. Winding from different levels in shaft.

UNIT - III

Man riding system in underground mines. Face Machinery: SDL & LHD – their constructions, operation, applications, capacity and maintenance. Cutter loaders – Shearers, Coal plough and Continuous Miners – their constructional features, applications, capacity and maintenance; Hydraulic power pack.

UNIT - IV

Power loader (Mechanical loader), Shuttle cars: their constructions, operation, applications, capacity and maintenance. Pumps: Types, Construction, operation, characteristics and application, Calculation of size, efficiencies and capacities. Layout of drainage system.

UNIT - V

Opencast Machinery: Blast Hole Drill, Ripper, Shovel, Dragline, Dumper, Bucket Wheel Excavator, Continuous Miners – their basic construction, applications and operation.

TEXT BOOKS

• 1. Deshmukh D.J., Vol. I & II Elements of Mining Technology
• 2. Cherkasky B.M., Pumps & Compressors
• 3. Walkar winding & Transport

REFERENCE BOOKS:

• 1. Alemgren, G. Kumar – Mine Mechanisation and Automation.
• 2. Mason – Coal Mining Series.