In the mining industry, in-depth knowledge is crucial for driving and sustaining change that results in improved productivity. We possess that knowledge and deliver it, often teaming up with industry to conduct technical studies and offer the industry insights to significantly reduce costs and optimize processes.
Adjusting Design for Plant Facing Shot
This limestone quarry in the Eastern U.S. has been using an internal pattern of 16 x 18 feet with an inverted pattern of 18 x 16 feet on the front row. This quarry has many neighbors located around it and the plant and mine structures are located close to the pit. Fragmentation and vibration have been the key points to this quarry.
Aggregate Quarry Inventory Documentation
Due to the complexity and size of stockpiles and many quarry operations, the use of 3D laser profiling systems commonly used for face profiling offered an alternative to costly and time consuming aerial photogrammetry methods.
Angled Holes Used to Blast Excess Burden
Evaluation needed for appropriate burden on angled holes
Boretrak Used for Appropriate Loading of Shot
Multiple blasters create challenges
Boretrak Used to Detect Hole Deviation and Toe Burden
DynoConsult was called in to help reduce coal loss from blasting and determining why there were inconsistent results of face movement. There are several factors that can contribute to this problem. Some may not have an easy solution, but could be minimized by determining some of the dimensions that are taken for granted, such as face burden and borehole deviation.
Camera Investigation of Explosive Weight per Blast Hole Overload
The integrity of the blast hole was investigated with a special blast hole camera to determine if the additional emulsion was a result of seams or voids.
Comparison of Fragmentation Results by Varying Time Between Top and Bottom Primers
Study conducted to find optimal delay timing for this granite quarry
This underground mine in the Southeast United States wanted to develop a decline from one level of the mine to another in order to shorten haulage distances. Lacking expertise within the company for the development of blast design for declines, the customer contacted DynoConsult® for assistance.
DIFFERENTIAL ENERGY in Casting Application
While casting percentages are important, one of the big drivers in several of the pits is NOx, given the proximity to the surrounding community. In this test, the emulsion produced a 26% cast to final number and the only NOx seemed to come from the area where the holes slumped. The TITAN® 50/50 shot produced a 28% cast to final with more NOx than the 100% emulsion shot.
DYNO 42™ Used for Vibration Control
DYNO 42 used to pinpoint best delay sequence for vibration reduction.