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Mining Operations & Strategies

The bucketwheel excavators (BWEs) often used in surface mining of soft coal deposits are gigantic machines. With great size comes great punishment. BWEs must absorb a tremendous amount of impact...

Suppliers Report

For an industry that mostly measures its success in terms of the volume of rock blasted, hauled, processed into product and shipped, a growing dependency on an often-arcane tool such as software is...
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Mining-class Bulk Bag Filler System


Flexicon’s new bulk bag filling system for mining applications is designed to fill bulk bags with filter cake, aggregates, abrasive minerals, dry chemical additives and other difficult-to-handle bulk materials. The ultra-heavy-duty, skid-mounted system features a patented Twin-Centerpost frame that maximizes strength and improves accessibility to bag hooks while simplifying construction and reducing cost. An integral flexible screw conveyor with heavy-duty screw, steel outer tube and high-capacity hopper feeds the filler consistently with a broad range of free- and non-free-flow bulk materials from large irregular chunks to fine powders, including moist products that pack and cake, with no separation of blended products. The filler is mounted on load cells that transmit weight gain signals to a controller that runs the conveyor at full feed rate, and then at dribble feed rate immediately prior to stopping the conveyor once the target bag weight has been gained. Standard equipment includes a forklift fill head height adjustment to accommodate all popular bag sizes, and a feed chute outlet port for dust-free air displacement during filling. Automated functions include an inflatable collar to seal the bag inlet spout, an inflator to remove creases from the bag prior to filling, an automated vibratory densification/deaeration system to stabilize the bag, and pneumatically retractable bag hooks that disconnect the bag from the filler, ready for removal by forklift. 

www.flexicon.com 

From the Editor

This month, E&MJ offers an in-depth report on Newmont Mining Corp. When gold prices started to decline, the company began to optimize operations and sell assets. Lowering operating costs allowed it to invest in operations during the downturn and now they are reaping the rewards.
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Exploration Roundup

Aston Bay Holdings has initiated at $C4 million field program at the Storm copper project on Somerset Island, Nunavut, Canada, where BHP Billiton can earn a 75% interest in the project by spending a...

This Month in Coal Mining

Contura Energy completed the previously announced acquisition of several core assets from Alpha Natural Resources (ANR), which was a key step for Alpha to emerge from Chapter 11 bankruptcy. Contura...