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50% Blasting Cycle Efficiency Improvement
Electronic detonation has transformed production efficiency at Newcrest’s underground Cracow Mine in central Queensland.
Achieving Economic and Safety Benefits at the Development Face
This trial at the Newmont/Byrnecut Invicta Mine proved that the direct cost of charging development faces using emulsion was similar to that of ANFO with a comparable rate of advance, but with a lower overall total cost of advance
Application Technology - 3D Blast Modeling
The results of the HSBM 3D Blast Model analysis showed the blast pattern proposed by the DynoConsult would allow no fly to leave the blast area at this Midwest USA iron mine. Based on the results of the blast modeling the blast pattern was employed in the field. As predicted by the HSBM 3D Blast Model analysis no flyrock entered the lake and no material left the blast site.
Better Fragmentation, Blast Consistency and Expanded Pattern with DigiShot® Detonators
Dyno Nobel proposed a solution using DigiShot® electronic detonators to decrease oversize, fines and tight digging. The solution included less holes, less powder and higher powder factors. A drone video was taken to study movement and lift of blast.
Black Star Powers Ahead in Safety and Efficiency using Electronic Initiation
In March 2010, Black Star Mine decided to move from NONEL® pyrotechnic initiation systems to SmartShot® electronic detonators. This change eliminated unknown misfires and associated safety risks, improved the drill and blast processes, and provided complete visibility throughout the blasting cycle.
Black Star Powers Ahead in Safety and Efficiency Using Electronic Initiation
In March 2010 Black Star Mine decided to move from NONEL® pyrotechnic initiation systems to SmartShot® electronic detonators. This change eliminated unknown misfires and associated safety risks. It also improved the drill and blast processes and provided complete visibility throughout the blasting cycle, which is now vital to any competitive mining operation.
Cast Blast Modeling
A view to identifying opportunities to improve operations.
Centralised Blasting Increased Production by Eliminating Downtime Before and During Blasting
BlastWeb is a centralised blasting system that is specifically designed for use in underground mining operations and allows reliable remote initiation of development, production and stope blasting from a safe and controlled location on the surface.
Centralised Blasting Systems an Approach to Safety
The implementation of Dyno Nobel's Centralised Blasting System supports both the safety of the mine employees during blasting and the elimination of misfires due to communication errors at firing time.
Comparison of Fragmentation Results by Varying Time Between Top and Bottom Primers
Study conducted to find optimal delay timing for this granite quarry
Controlling Fume Generation with TITAN 9000xero
Dyno Nobel developed TITAN 9000xero to provide a practical, innovative and reliable solution for reducing post blast fume (NOx) when blasting in wet/damp, soft or fractured ground conditions. The product is based on TITAN 9000 emulsion with the inclusion of a bulk additive. The result is a high emulsion content, reduced weight strength bulk explosive. TITAN 9000xero can be delivered through a standard mobile processing unit (MPU) into the blasthole via auger or pump.
Development Optimisation Leads to Reduced Overbreak and Cycle Efficiencies
Various elements of drill and blast were evaluated in order to establish standards to optimise the development cycle.
DIFFERENTIAL ENERGY® Applied to Improve Fragmentation
Optimising fragmentation to improve downstream operations
DIFFERENTIAL ENERGY® Drives Efficiencies in Australian conditions
DIFFERENTIAL ENERGY® trials in Australia have shown productivity gains of up to 30% compared to standard MPUs and products.
Differential Energy® in Surface Gold Mining
Dyno Nobel’s TITAN 1000∆E was trialed over a period of four (4) months at AngloGold Ashanti's Cripple Creek & Victor Gold Mining Co. (CC&V) in Cripple Creek, Colorado.
DIFFERENTIAL ENERGY® in Truck Shovel Overburden
As part of a continuous improvement process, DIFFERENTIAL ENERGY® has been introduced in the Truck/Shovel areas of the pit for trials. Multiple areas have been tested utilizing different densities on the top and bottom of the hole. The holes were then loaded with the same amount of explosives, or less, but due to the lower densities the explosives column height has been increased to improve energy distribution in the blast hole.
DIFFERENTIAL ENERGY® Technology Applied in Iron Ore Mining
Measured results confirmed that significant value in productivity, cost and blast performance were delivered. The mine reduced its overall powder factor by 18%, realized an 8% increase in shovel productivity in both waste and ore, and in the case of ore, experienced no reduction in crusher throughput. Additionally, they completely eliminated visible NOx after blast fumes in even the wettest areas of the pit.
DIFFERENTIAL ENERGY® Technology Improves Fragmentation by 52.7%
Using an optimization study that covered a 20-month period in 2014 and 2015, the client found a high percentage of fines in the blasted stone. The client called in DynoConsult® to help study the reasons and find a cost effective solution.
DigiShot® Plus Spooled Wire Reduces Loading Problems
Many blasters have different ways to deploy the wire into the blast holes. The 30° angled holes with an Emulsion/ANFO blend coating the footwall side of the hole makes it difficult to deploy the primer assembly smoothly. A better way to deliver the primer assembly into the blast hole was needed.
DYNO 42™ Used for Vibration Control
DYNO 42 used to pinpoint best delay sequence for vibration reduction
DynoConsult Assists in Permit Change
DigiShot Electronic detonators, signature hole analysis provides means to achieve goal of zero increased impact to community regardless of shot size.
DynoMiner® Advance Streamlines Blasting Efficiency
The Xstrata Nickel Cosmos mining operation in the North Eastern Goldfields of Western Australia is experiencing the benefits of the DynoMiner Advance first hand. Using TITAN® 7000 gassed emulsion technology, the rugged and compact DynoMiner Advance system significantly increased performance and dramatically reduced costs.
Electronic Detonator Initiation System Assists with Improving Stope Productivity
Larger stopes fired with the SmartShot initiation system helps to improve productivity and reduce mine operating costs per ounce.
Electronic Detonator Precision and SHA Provide New Alternatives for Pipeline Construction
Inconsistent breakage & complaints from vibration off the blast events motivate two Indiana limestone quarry customers to convert from detonating cord and slider cast boosters to DigiShot® electronics and Spartan® cast boosters.
Electronic Detonator Precision Signature Hole Analysis Provide New Alternatives for Pipeline Construction
Electronic Detonator Precision Signature Hole Analysis Provide New Alternatives for Pipeline Construction
Electronic Detonator Technology Induces Breakthrough in Cave Propagation
Dyno Nobel, together with Harmony and 360 Drilling, developed an innovative drill and blast solution to promote cave propagation and improve safety. Taking into consideration the mine’s unique features, Dyno Nobel’s expertise showed how a smart design with HotShot® electronic detonators would allow the span to be increased.
Electronic Detonators Allow Quarry to Increase Production While Keeping the Neighbors Happy
By using Signature Hole Analysis modeling to develop alternative timing sequences, Dyno Nobel was able to increase the blast hole diameter allowing for pattern expansion and an increase in blast rock per hole. Pattern expansion resulted in lower drilling costs, and timing sequences kept vibration levels low, while enabling the quarry to increase production per blast event while ensuring minimal off-site ground vibration to satisfy the local market demand for stone.
Electronic Detonators Exceed Conventional NONEL Limitations in Stopes
This mine needed an initiation system that would not restrict them from blasting a much larger stope than what they typically do, with a single hole initiation.
Electronic Detonators to Increase Underground Production Rates
Lac des Iles mine, in Canada, was wanting to expand its underground operations and increase its underground production rates.
Electronic Initiation and Waveform Analysis Improve Off-Site Blasting Effects
Electronic initiation systems provide accurate delay timing for today’s demanding blasting applications. Electronics also provide the explosive engineer with the ability to program precise delay times to further improve blast performance including reduced peak particle velocity (PPV) and increased frequencies (Hz) which minimizes ground vibration.
Electronic Initiation Sparks a Surge in Safety and Efficiency at George Fisher Mine
The safety benefits realized by this mine included reduced exposure of personnel to vertical edges, less overbreak and improved post-blast ground conditions. The main production benefits were a more flexible stope design process, larger blasts resulting in more conventional dirt for the mucking units, fewer re-drills and quicker stope cycle times.
Electronic Wins Blast-Off
Dyno Nobel’s trial at Sunrise Dam set out to measure the practical superiority of the HotShot® electronic detonator system over the existing NONEL® shocktube system. AngloGold Ashanti’s Engineering and Geology Department selected sites of consistent geology. The blast results were recorded using video footage, vibration monitoring throughout the mine, spot heights of muck-pile swell to provide heave profile graphs and PITRAM data.
Electronics Boosts Performance Cuts Costs at the Savannah Project
The engineering team at Panoramic Resources found that with proper shot design, greatly improved fragmentation, with correspondingly less over-break, is achievable in addition to minimising damaging ground vibration.
Expansion of Quarry Using TITAN® 1000 LD and DigiShot® Plus
Surrounded by numerous communities, the Graymont Marbleton Quarry was looking to expand its quarry number six.
EZshot® Reduced Overbreak by 12% at Australian Mine
EZshot® has been rolled out across Australia in 2020 with proven reduction in overbreak, measurable reduction in volumes of material scaled off walls and initial calculations indicating positive benefits to mining costs at an Australian mine.
Highwall Stability Improvement through Less Blast Vibration and Displacement
Highwall deterioration leads to potential hazards
Improved Digability, Reduced Vibration in Truck Shovel Operation
Reduced vibration allows mine to disregard scaled distance limitations.
Improved Fragmentation Results in Higher Productivity
Dyno Nobel develops new explosive and delivery system to blast long vertical up-holes for customer.
Improvement in Off-Site Blasting Effects
Electronic initiation systems provide accurate delay timing for today’s demanding blasting applications. Electronics also provide the explosive engineer with the ability to program precise delay times to further improve blast performance including reduced peak particle velocity (PPV) and increased frequencies (Hz) which minimizes ground vibration.
Improving Sublevel Caving
Dyno Nobel has modified the pre-charging practices at Ridgeway Gold Mine to deliver enhanced safety, reliability and blast outcomes.
Increasing Tunnel Advance Rates with Dyno Nobel Initiation System
Procon Group was challenged to meet their tight tunnel advance schedule. DigiShot® electronic initiation system was found to reduce overall per meter advance with less over break, increased advance rates, and fewer booted holes to drill around.
Is One Booster as Good as Two?
This company requested that DynoConsult® conduct velocity of detonation measurements to determine if one 400 gram booster would be sufficient for the product to reach steady state velocity.
Making Way for Increased Production of Hydroelectric Power
The team set out to drill and blast as much rock as possible to avoid the use of time consuming and costly mechanical rock breaking techniques. In addition, the rock needed to be excavated without excessive vibration damage to the existing electrical substation or the 100-year-old concrete dam.
Minimizing Off Site Blast Effects
By using site-specific seismic modeling that determined optimum firing sequences on a shot by shot basis, off-site vibration effects were minimized and additional gains in overall blast efficiency led to better fragmentation, faster truck cycle times, reduced oversize, increased pattern geometry, elimination of decking and the ability to increase shot size.
Nitrate Leaching TITAN XL 1000
AN Prill is adversely affected by water so a series of Lab tests were developed to measure static water leaching of different TITAN emulsion blends to show the effects that water can have on bulk explosives.
Product Performance Verified with VOD
The customer believed the visible NOx fumes they were experience was limited to poor emulsion performance.
Real Savings Delivered through Development Optimisation
With overbreak in development mining running at approximately 18% at this underground mine, improvements were required to increase the efficiency of the development cycle and reduce costs.
Reduced Misfires and Costs in the Cadia Hill Open Pit
Absolute control over initiation timing allowed Cadia to expand patterns and reduce powder factors by 17% without impacting mill throughput. Through clever blast design and system flexibility, Cadia was able to optimise burden relief, allowing for the best combination of blast movement, fragmentation and dig-ability.
Reduced Protection in Blasting Due to Better Control of Loading
DynoConsult was called in to determine best course of action for resuming operations.
Reducing Costs of Retrieving Low Alkali Aggregates in NY Quarry
The project scope was to segregate and remove a high alkali chemistry area, post one bench blast event, leaving good quality aggregate material for cement production.
Reducing Regulatory Community and Liability Exposure with DigiShot® and Waveform Anlaysis
Taking advantage of the flexibility and precision of the DigiShot® electronic initiation system and using alternative timing sequences designed through signature waveform analysis, one northeast U.S.A. quarry operator was able to reduce peak particle velocity values by over 50%. Reductions in ground vibration were realised without the loss of productivity, blast size, or fragmentation.
Signature Hole Analysis & DigiShot® Plus Reduce Blasting Complaints
Matching delay firing times to the local geology eliminates neighbor complaints while improving productivity.
Signature Hole Analysis for Vibration Control
The challenge for this mine is coming up with delay timing that gives optimum performance without exceeding the limit of 5 inches per second PPV at the well.
SmartShot and DynoConsult Expertise Delivers Record Mass Blast
SmartShot Initiation System and DynoConsult expertise delivers record mass blast for mine to transition from an open pit operation to an underground sub level cave.
SmartShot Assists with Improving Stope Productivity at Sunrise Dam
Dyno Nobel was able to provide this mine with a solution that involved the implementation of our SmartShot® electronic initiation system. Paired with our bulk emulsion TITAN® 7000, the mine had a blasting solution to help improve productivity and reduce operating costs as well as reduce the risk of misfires and provide a flexible initiation sequence with millisecond precision.
Step Change Results in Significant Value Added Solution
Reducing slumping, NOx, and overall costs while maintaining load rates using TITAN® XL 1000 and DIFFERENTIAL ENERGY®
Sub-drill Reduction to Aid in Vibration Control
In July of 2016, at a granite quarry in the Southeast United States, current drill patterns were a 13x13 with 3’ of subdrill using a 5.75” blast hole. The average pounds per hole was 598. The seismograph, measuring vibration, is located within 700ft from the blast. SHA (Signature Hole Analysis) was being utilized to delay shots.
Sub-drill Reduction to Aid in Vibration Control
DYNO 42 software was used to come up with the delay that produces the best simulated peak particle velocity and frequency.
Tight Timetable to Clear Area for Primary Crusher
Tools and technology used at this mine to ensure a successful blast with minimal vibration.
TITAN XL 1000 G Used to Eliminate NOx
Products that have shown to reduce NOx generation are typically lower density products than what is often used for cast blasting. The lower density results in less energy and the effective cast benefit is reduced. The goal is to find a product that will shoot clean and evaluate the cost versus cast benefit.
TITAN XL 1000 Yields Excellent Results
Many of the quarries are located very close to populated areas. The primary mineral deposits in this region is limestone and much of it is well laminated with a significant amount of cracks and seams in the formations.
TITAN XL for Wet Blasting Conditions
TITAN XL emulsion was utilised as a water resistant product that could be chemically gassed to various lower densities. Instead of the 1.30 gm/cc density of the 50/50 blend, TITAN XL was brought down to 1.10 gm/cc. The product is pumped through a hose placed in the hole. This eliminates the need to de-water the blastholes.
Underground Loading Process Improvement
Our evaluations of ANFO and Titan 7000 loading practices helped blaster’s visualise the inside of a horizontal development hole during loading and demonstrated best loading practices. When compared, these evaluations also demonstrated Titan 7000’s higher loading density and superior water resistance compared to ANFO.
Understanding Blast Hole Explosive Column Rise using TITAN Gassing Technology
By utilizing the TITAN Calculator, blasters can visually see what the expected bore hole rise will be based on hole depth and density. Based on this technology a load sheet was created and provided to the operator so that he could actually load the hole based on pounds required verses collar height.
Use of Dyno Nobel Blast Design, DigiShot® Detonators and DYNOSPLIT® C
This Northeast aggregate quarry typically blasts using 6.5” holes on a large pattern for their aggregate needs. Future plans include moving the primary crusher from the current location into the pit. This would require a clean final wall for traffic safety.
Use of Electronic Detonators to Reduce Boulders and Fines
In-depth analysis of quarry operations and introduction of electronic detonators.
Using Low Density Explosives in Iron Ore Applications
Dyno Nobel developed BlastLite® and TITAN® as cost effective solutions for blasting weak to medium strength rock in Iron Ore mines. Both these products have the potential to significantly reduce powder factors and therefore, the overall cost of blasting.
Vibration Modelling and Analysis Underpins Feasibility Study Accuracy
Vibration Modelling is used to enable accurate mine planning and suppor the feasibility study for an African mining project. This work forms an essential part of the mine planning aspect in the final feasibility study.
Waste Oil Fuel Blends Deliver Cost Reduction
Waste oil fuel blends deliver up to a 25% fuel oil cost reduction for bulk explosives.