آخرین محصولات
(PDF) Analyzing drilling machine in aid to …
Multiple input factors, such as operating parameters, operation time, and maintenance time, were considered and controlled simultaneously to simulate drilling operations by stochastic modeling ...
Modeling of operating parameters of mining machines …
Download Citation | Modeling of operating parameters of mining machines with vibration on the rocks | One of the basic industries development aspects is to increase the completeness of minerals ...
Mine planning: From strategy to operation to optimization
The first of these levers, including Mining Method Selection, Process Route Selection and Scale of Operation levers are discussed in Mine Planning 1 – Strategy.
Prediction of TBM operation parameters using machine …
Machine learning (ML) has become the main method for predicting operating parameters. Grid Search and optimization algorithms, such as Particle Swarm Optimization (PSO), are often used to find the hyper parameters of ML models but suffer from excessive time and low accuracy.
Optimization of drilling and blasting operations in an open pit mine
Blasting is one method of mining solid rock masses. The operation parameters, i.e. burden, blast hole and row spacing, stemming length, subdrilling length or explosive charge mass per single delay ...
Applied Sciences | Free Full-Text | Soil Classification by Machine …
This study predicted soil classification using data gathered during the operation of an earth-pressure-balance-type tunnel boring machine (TBM). The prediction methodology used machine learning to find relationships between the TBM's operating parameters which are monitored continuously during excavation, and the engineering …
Optimization of drilling and blasting operations in an open …
The article presents different ways of improving and optimizing blasting operation parameters using O-Pitblast software and the effects of these improvements …
Prediction of tunnel boring machine operating parameters …
The accurate prediction of the advance rate, rotation speed, thrust, and torque indicators based on the operating parameters can guide the control and …
Operation Management of Drilling Processes in Surface Mining
In recent years, the profit margin for mining companies has been declining due to low commodity prices and high operating costs associated with resource degradation and system aging, forcing ...
(PDF) A method of measuring the stereometric parameters …
The effi ciency of mining the rock and other materials with mining machines used in the mining, construction and road industry is largely dependant upon the stereometry of their working units.
Applying Sensor-Based Information Systems to Identify …
The basis of this methodology is a sensor-based information system used to register mining machinery parameters, based on which interruptions in their operation can be determined. In order to register these parameters, an industrial automation system (together with a SCADA system supervising the process) was used, which is practically ...
Design Methodology for Cutting Drum, Power Rating and
It is essential to optimize the operating parameters of machine (cutting speed and depth of cut) for a given rock mass condition with available machine power. The present study covers the 2.2 m wide drums of surface miner. ... Department of Mining Machinery Engineering, Indian Institute of Technology (ISM), Dhanbad, 826004, India.
Recurrent neural networks for real-time prediction of TBM operating …
DOI: 10.1016/J.AUTCON.2018.11.013 Corpus ID: 117617165; Recurrent neural networks for real-time prediction of TBM operating parameters @article{Gao2019RecurrentNN, title={Recurrent neural networks for real-time prediction of TBM operating parameters}, author={Xianjie Gao and Maolin Shi and Xueguan Song and Chao Zhang and Hongwei …
Empirical Models for Estimating Performance and Operational Parameters …
The key parameters on the estimation of tunnel-boring machine (TBM) performance are rock strength, toughness, discontinuity in rock mass, type of TBM and its specifications.
Performance simulaton of surface miners with varied machine parameters …
It is essential to optimize the operating parameters of machine (cutting speed and depth of cut) for a given rock mass condition with available machine power. The present study covers the 2.2 m ...
Management of Drilling Operations in Surface Mines Using …
Low commodity prices have forced many mining companies to explore new strategies to minimize operating costs. One cost-saving strategy is to increase drilling efficiency and performance, specifically in open pit mines; drilling operations are expensive, and they directly and indirectly affect most aspects of the mining process. A substantial …
Optimized design of drilling and blasting operations in open …
Mining activity is mostly represented by these four main operations: drilling, blasting, loading and hauling.
Comprehensive Guide to Mining Thickeners
This comprehensive guide explores the key aspects of mining thickeners, including their functions, types, design considerations, operation, and maintenance. By understanding the principles and best practices associated with thickeners, mining professionals can optimize their operations, improve water recovery, and minimize …
Intelligent decision-making method of TBM operating …
In this work, we develop a dual-driven mapping of rock parameters and TBM operating parameters based on data mining and physical rules of rock breaking. The …
Energy Efficiency Improvement in Surface Mining
The hauling of mined material from a pit to a stockpile, dumpsite, or the next step in the mining process is accomplished by trucks at a surface mining operation. Their use may be combined with other types of machinery, such as loaders, diggers, and excavators, depending on the layout and production capacity of the site [28, 29, 30, 31].
Performance Measurement of Mining Equipment
operating in horizontal tandem mode o f operation in coal mine: A case study", Journal of Geotech Geo l Eng, 29, 493-504, 2011. [10] Mohammadi M., Rai P., Oraee K., and Kumar M., " Analysis of
Experimental investigations on machine vibration in blast …
The effect of machine operating parameter i.e air pressure, rotational pressure, pull-down pressure, and rotational speed were investigated. During an investigation, based on machine operating parameters Taguchi L 27 orthogonal array method was applied to optimize a number of an experiment for better accuracy. Signal …
Stirred media mills in the mining industry: Material …
Characteristic particle size parameter (m) e Fraction of energy in a collision that is captured by a single particle (-) eE Energy dissipated in each particle captured in an impact event (J) E ...
An overview of operating parameters and conditions in
Over the past century, the development and use of centrifugal inertial force fields have greatly improved separation efficiency, and meanwhile, reduced the equipment footprint and operating costs ...
Prediction of jumbo drill penetration rate in underground …
The variability in penetration rate for each RDi value is attributed to differences in machine operating parameters. To clarify the correlation between these two factors, the data related to each ...
Prediction of tunnel boring machine operating parameters …
DOI: 10.1016/j.tust.2020.103699 Corpus ID: 233836657; Prediction of tunnel boring machine operating parameters using various machine learning algorithms @article{Xu2021PredictionOT, title={Prediction of tunnel boring machine operating parameters using various machine learning algorithms}, author={Chen Xu and Xiaoli …
Experimental investigations on thermal behavior during …
This has inspired the coal mines to adopt mechanical excavation machines for continuous mining. Surface miner is one such machine which is being extensively used in opencast mines around the globe. ... Different machine operating parameters and their corresponding levels have been presented in Table 4. Here, three operating …
Prediction of tunnel boring machine operating parameters using various
The operating parameters of a tunnel boring machine (TBM) reflect its geological conditions and working status and are accordingly critical data for ensuring safe and efficient tunnel construction.
Management of Drilling Operations in Surface Mines Using …
The three defining parameters of the Weibull distribution are the shape parameter (β), also known as the Weibull slope, scale parameter (η) and location …
Most Common Types of Mining Equipment in Use …
Surface mining is a mining operation that happens on ground level rather than in a cave.. Statistically, surface mining is more common and efficient than underground mining operations, though the …
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