It is a completely automated analysis system for measuring the size distribution of unconsolidated material on multiple conveyor belts in real time without disrupting production. Fragmentation size distribution of a blast is the primordial kpi that determines the quality of a blast. The optimizing blast design tool for a million dollar benefit. For image analysis, splitdesktop 14, an industry standard software for fragmentation analysis in mining, was used.
The second case study shows the effects of different explosives on fragmentation. Wipfrag system ii online fragmentation analysis norbert h. Many variables such as blasting geometrical parameters, rock properties, explosive specification and insitu geology influence rock fragmentation. Opitblast has tools to evaluate and estimate fragmentation even before the blast is performed. A new framework for evaluation of rock fragmentation in open pit. Digital images acquired in the field can be analyzed on a laptop or at the office to determine the particle size distribution. Split engineering is the leader in providing coarse rock fragmentation particle size measurement systems and software for every stage in the comminution. The preparation was based on rosinrammler distribution function. T1 analysis of rock fragmentation using digital image processing. In order to evaluate the capability of determining the fragmentation size distribution with the approach developed using matlab software, and to compare the results with splitdesktop and goldsize results, the laboratory samples of crushed rock were prepared by screening. Hxgn splitdesktop delivers manual, offline coarse rock fragmentation size analysis of muck piles, leach pads and more. Wipware invented optical granulometry at the university of waterloo in ontario, canada more. The software receives an image and delineates particles using image segmentation. By using our blast monitoring technology and our blast monitoring equipment we are able to provide accurate data to our clients allowing for improved safety, reliability and accuracy.
How fragmentation analysis can assist in blasting quarry. Not only do these provide evidence of the quality of his work, but they also. Fragmentation analysis wipwares photoanalysis sofware systems offer an automated realtime fragmentation analysis solution with extreme accuracy. N2 in this paper, a procedure for calculating the size distribution of rock fragments using video images is. Digital images acquired in the field can be analyzed on a laptop or at the office to determine the particle size distribution of your fragmented rock at any stage in the comminution process. Technical decisions, blasting costs, operational efficiency and productivi ty, and equipment performance can all be related to optimum rock fragmen tation. Rock fragmentation by blasting research papers academia.
The system includes a hardware system and an image processing system. Power sieve software is used to capture the rock fragment size distribution analysis by using image processing. Hence, the photographs of faces were analysis and the results were illustrated by one of the image analysis software gold size 2. Introduction optical sizing of fragmented and crushed rock arrived with great fanfare about 15 years ago. Aerial rock fragmentation analysis in lowlight condition. Split engineering is the leader in providing coarse rock size measurement systems and software for every stage in the comminution process. Sizedistribution analysis of potentially formed blocks during the primary fragmentation of a fractured rock project description. Strayos muckpile ai platform is a cutting edge software solution that uses advanced image based machine learning techniques to accurately analyze rock. Wipwares photo analysis software systems help industries from mining, quarries, aggregate, forestry, agriculture, coal and explosives remove the need to use manual sieving techniques. The device provides a graph of rock size distributions how many of each. Calibration module fragmentation image analysis bmp, tiff, jpeg, png supported. The static properties of the rock mass begin to manifest themselves more effectively due to the appearance of a semistatic field of voltages corresponding to the pressure of the gases in the walls of the blast hole. In this paper, artificial neural network ann method is implemented to develop a model to predict rock fragmentation due to blasting in an iron ore mine. To correlate the influence of parameters like burdentohole diameter ratio, hole spacingto.
Work on wipfrag software we can get 1 mean particle size 2. Analysis of blasted rocks fragmentation using digital image. The hardware system includes a camera and a lighting system. Pdf rock fragmentation prediction using kuzram model. Prediction of rock fragmentation is essential for optimizing blasting operation. With over 750 users in 60 countries, jksimblast is used in a wide range of mining, research and teaching applications by miners, explosives suppliers, contractors, consultants and universities. Various softwares and methods of predicting and analyzing the result of blasting exists, one of such is the kuzram model.
It is the first preparatory stage in the extraction process making rock small enough and loose enough to be efficiently excavated. A new framework for evaluation of rock fragmentation in. Market leading automated triggering is used to efficiently capture images of material travelling along a conveyor belt. If you want to go through some math, there are several models to predict fragmentation. Motion metrics is excited to introduce our newest product, beltmetrics. Limestone rock fragmentation analysis using wipfrag. Fragmentation analysis of blasted rock with the bmx fragmenter. Site of study is a limestone quarry producing limestone for cement manufacturing. Maerz university of missourirolla, rolla, mo, usa t.
Blast design software opitblast ask us for a free trial. In this research, the split desktop image analysis software was used to study fragmentation. Us20030156739a1 rock fragmentation analysis system. Many methods are available for assessment of blast fragmentation. Prediction of rock fragmentation due to blasting using. Pdf analysis of blasted rocks fragmentation using digital image. Rocketmine blast monitoring and fragmentation analysis solution. Thus, for a blaster, valuable tool is the file of blast reports that he builds as he gains experience. Determine the particle size distribution of your fragmented rock at any stage in the comminution process.
Explosives with low vod will have low impact on rock fragmentation than the ones with high vod chiappetta, 1988, heit, 2011. Various models have been put forward over the years, attempting to predict the size distribution resulting from particu. Rock mechanical characteristics explosive hole loading and explosive behavior hole angle. Fragmentation control optimising fragmentation for. The major benefit of fragmentation assessment is to provide feedback to the mine cycle and to use this information to produce better blast designs. Blasting is the first step to reduce rock size, which is followed by the crushing and grinding phases. The software features the delineation of single particles on a 3d model by a combination of 3d surface analysis and 2d image analysis. More than 500 licenses have been sold in its 16 year history. Using portametrics, we perform daily fragmentation analysis on stock piles, crusher piles, and at the plant, as well as on gravel that produces stoppage in the production wells. Therefore, measurement and analysis of fragmentation of blasted rock masses are highly essential.
Highenergy explosives enhance fragmentation, which ultimately produces a positive effect on production. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or. Rocketmine blast monitoring and fragmentation analysis solution by using our blast monitoring technology and our blast monitoring equipment we are able to provide accurate data to our clients allowing for improved safety, reliability and accuracy. Sieving analysis of fragments is the only technique in direct method.
The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. A rock fragmentation analysis system is provided for analyzing blasted rock or other fragmented particles to assess quality of a blast for efficient processing of subsequent operations in a mine, a quarry, etc. Fragmentation depends on many parameters such as rock mass properties, blast geometry and explosive properties. Fragmentation predictor software fragmentation software. Velocity of detonation measurement and fragmentation. Image analysis technique has been widely used due to its high capability of visually processing and providing an appropriate alternative for lowaccuracy methods hunter et al. The fragmentation of rock is fundamental to mining. The image analysis process was performed by splitdesktop software to find out fragmentation distribution, uniformity index and average size of the fragmented. Since 1997, split engineering has been providing systems, software and service to the worldwide mining industry to enable process measurement and control. Now check out the sections below to better understand or learn the software. Split engineering rock fragmentation size image analysis software. Manage fragmentation from blast to mill using the most technologically advanced.
Advancedlevel tutorial video for wipware wipfrag software. Our fragmentation control solution provides the capture and reporting of fragmentation data, enabling improvements in fragmentation outcomes. Fragmentation predictor software fragmentation software for. The most common method of assessing fragmentation is a simple visual estimate of fragments on the surface of the muckpile. This ruggedized 3d imaging fragmentation analysis solution is designed to measure rock size distribution on conveyor belts at mines and quarries worldwide and is an essential part of any minetomill. With an powerful simulation engine running advanced blasting mechanisms, iblast simulation delivers incredible readable and realistic output for vibration, fragmentation distribution and flyrock to avoid you surprises at blasting time. Opitblast is windows blast design software to plan, share and control all the blast operations and their results. Momentum is an automated realtime fragmentation analysis system for measuring particle fragmentation particle size on multiple conveyors. This paper studied the development of the kuzram model from. View rock fragmentation by blasting research papers on academia. Hxgn splitshovelcam monitors shovels, conveyor belts and truck tips into the primary crusher in real time to deliver the key metric of particle size, quantifying postblast fragmentation. Is there a analysis s software of blasted rocks fragmentation, that. Sizedistribution analysis of potentially formed blocks. Portable 3d imaging and rock fragmentation motion metrics.
Measurement of size distribution of blasted rock using. Analysis of rock fragmentation using digital image. It removes the need to use manual sieving techniques. Rock fragmentation size analysis software splitdesktop. Optimization of blast fragmentation and muck profile. Fragmentation analysis software about split engineering split engineering is a truly customer oriented company dedicated to providing quantified particle size, shape, and color information of the highest integrity to enable process management and control. Split desktop is the latest digital image processing. The device takes approximately 5 seconds to process the image and provide fragmentation results. But this simple statement underestimates how important this activity is for the whole mining operation.
The instruments used in field monitoring and data analysis included 3d laser profiler for rock muck profiling, closecircuit tv camera for machine performance monitoring, wipfrag fragmentation analysis software, etc. Splitdesktop is the industry approved software standard for manual, offline coarse rock fragmentation size determination. Split engineering rock fragmentation size image analysis. By optimising rock fragmentation by blasting, you can. A defect was defined as a fragmentation analysis indicating less than 95% passing 750mm. The efficiency of these operations depends on size distribution of blasted rocks.
Further, more study is required to correlate the efficiency of loading and hauling. According to cooper 1996, the explosive vod is commonly used to approximate the detonation pressure and subsequently the explosive shock energy contained in an ideal explosive. The first case study presents an approach for developing accurate models to predict rock fragmentation due to blasting using digital image analysis. Hxgn splitnet leverages experienced personnel to process your images for you and provides a size distribution report. Software solution for better rock drilling blasting design, planning and analysis. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting costs under control. The image analysis process was performed by splitdesktop software to find out fragmentation distribution, uniformity index and average size of the fragmented rocks.
Blast monitoring and fragmentation analysis rocketmine. The objective was to improve fragmentation in order to achieve a constant throughput to the north heap leach crusher of 1500 thr, a 5% increase in pit loading efficiency and a 50% decrease in rock breaker hours, equipment. Analysis of blasted rocks fragmentation using digital. Scale objects are traced graphically to set the image scale. Portametrics is a handheld particle size analysis solution that uses ai and 3d imaging to eliminate the need for a reference scaling object. There are several methods for assessment and prediction of fragmented rock distribution. Blast fragmentation analysis using image processing. Softblast is the home of jksimblast, the premier software system for blast design and analysis in surface, underground and tunnel operations.