Mine production automation system is a coal mine focus the system aspects involved mainly includes: the fully mechanized coal face control system the underground main opbelt control system, the main shaft hoisting control systems, ground coal washing system, these systems constitute a coal mine main production process, coal flow. One of the main
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Safety features in tippers / trucks01) Cabin guard extension canopy shall cover the operators cabin fully. 02) Exhaust / retarder brake device to control the speed of truck while operating down the gradient. DGMS (tech) circular 02 of 2004 In dumpers, retarders are provided to slow the speed of engine in such cases. In tippers, manufacturers are now providing exhaust brake as an extra ...
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The truck dispatching problem in openpit mines is formulated into an integer programming problem in order to optimally determine the trip numbers of trucks from a shovel (dump site) to a dump ...
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truck fuel consumption in Australia's surface coal mine. They also looked at GHGs and costs of haul truck fuel consumption. Rodovalho et al. [20] have created a method to identify and analyze the variables related to the hauling truck fuel consumption in openpit mines. In this research work, the mathematical modeling tools and
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Mist spray systems have been introduced and the trucks are being covered by tarpaulin. Fog canon, wheel washing system, mechanical road sweepers etc. are being deployed for control of air pollution. In last two years, Coal/Lignite PSUs have deployed/installed 283 mist sprayer/fog canon, 11 wheel washing, 18 mechanical road sweeper and 59 CAAQMS.
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To answer the need for material transportation in the coal mining industry as efficient and tough, Articulated Dump Truck (ADT) is used. As known Articulated Dump Truck is a variant of the offhighway truck where the cabin and the back of the dump truck including dump body can be articulated to adjust the extreme field conditions.
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Automatic truck loading and unloading systems have become the ideal solution for improving agility and safety during the goods receipt and dispatch process at the warehouse docks.. The loading docks are a vital part of any distribution more docks an installation has, the greater the goods flows or, in other words, the number of trucks that enter and leave the warehouse.
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Loadandhaul operation. The loadandhaul operation can be seen as a continuous cycle that is made up of different production steps or activities. The loadhaul cycle time is the total time to complete a full cycle. The critical cycle steps, as time fractions of the total cycle, have been identified by Krause (2006):
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trucks and shovels within a mine field are presented. Keywords: Opencut mining, truckandshovel systems, block model, LerchsGrossman algorithm, application domain. DOI: /S It is well known from the global and Russia's experience in open mineral mining that loadhaul
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An example of the above is the Wyoming Coal Mine truck loading facility. This incorporates a number of Flexowell steep angled conveyors, the principle unit handling 816 t/h (900 ton/h), being loaded on a short level section and is then deflected up an angle of 50° to the vertical (ref. 5 ) .
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This paper describes an autonomous loading system for loadhauldump (LHD) machines used in underground mining. The loading of fragmented rocks from draw points is a complex task due to many factors including: bucketrock interaction forces that are difficult to model, humidity that increases cohesion forces, and the possible presence of boulders. The proposed system is designed to integrate ...
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bunkers and from the bunkers the coal is transported into Washery by the Trucks after weighing on 60T Lorry weigh bridge. Transportation of Coal by Trucks is not under this scope. After washing and other arrangements the grade Coal converted to G9 G12 washed G9 grade coal, after weighment on 60T Lorry weighbridge,
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This paper presents a reliability analysis of LoadHaulDumper (LHD) in an underground coal mine. The goodnessoffit distribution of each LHD was made through the CramerVonMises statistic test.
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Deep learning is a subfield of artificial intelligence that combines feature engineering and classification in one method. It is a datadriven technique that optimises a predictive model via learning from a large dataset. Digitisation in industry has included acquisition and storage of a variety of large datasets for interpretation and decision making. This has led to the adoption of deep ...
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Autonomous Haulage Systems (AHS) are considered a cheaper, safer, and more reliable option to run the mines by mining companies, especially those in the Americas, Australia, and Europe since the cost of the workforce is high or there is an increased risk in the terrain. In addition, autonomous haulage systems will improve efficiency and ...
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JOURNAL OF COAL SCIENCE ENGINEERING (CHINA) DOI /s pp 313319 Sep. 2012 Mining truck scheduling with stochastic maintenance cost Erkan TOPAL1, Salih RAMAZAN2 1. Mining Engineering Department, Western Australia School of Mines, Curtin University of Technology, Kalgoorlie, WA 6433, Australia 2.
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Mining techniques can be divided into two common excavation types: surface mining and subsurface (underground) mining (Hartman Mutmansky, 2002).The major components of MHS existing in surface and underground coal mines around the world are depicted in Fig. components in the surface coal mine are pit, shovel, bin, truck, conveyor, stockpile, train and ship (Ataeepour and Baafi, 1999 ...
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Nowadays, with the advancement of technological innovations and wide implementation of modern mining equipment, research topics on mining equipment management are attracting more and more attention from both academic scholars and industrial practitioners. With this background, this paper comprehensively reviews recent publications in the field of mining equipment management. By analysing the ...
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namely the movement of ore/coal, persons, materials and equipment. Ore/coal transport has either been by locomotivehauled mine cars, belt conveyors or rubbertired trucks. The transport of persons, materials and equipment has either been by railmounted track systems or trackless systems/movable vehicles. Each system described above is still
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Abstract: In the Mining Sector, Safety is utmost important factor. The major goal of this article was to reduce the Mine Accidents with respect Mine Haulage and Transportation system in underground Coal mines. Total 11 major hazards are identified as Principal Hazards in Indian coal mines, as per DGMS Circular of 2016 for which Principal ...
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1. Introduction. Intelligent mining, which is based on mechanized and automatic mining methods and which combines informatization with industrialization, has brought about a revolution in the coal industry [1].This new technology can carry out mining automatically by intelligently perceiving the circumstances around the work face, intelligently controlling each mining machine, and ...
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A semicontinuous process system consisting of a singlebucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a largescale hard coal openpit mine. Through analyzing the coal mining production process, the key issues of coal mining truck flow optimization are obtained. Statistical method of using triangular fuzzy numbers analyzes the key time ...
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A lowprofile intermediate haulage truck. Used to transfer coal from a loading or mining machine to an underground loading point, mine railway, or belt conveyor system. Skip. A selfdumping bucket for hoisting ore or rock in a shaft. Stacker. A large machine used in bulk material handling. For piling bulk material onto a stockpile.
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LHDmachines are used to load the trucks at the loading bay as shown in Figure 2. When there is no truck to loadLHDs haul the material and, it on a stockpile. Loading time per pass dump includes bucket travelling time when empty, digging time, bucket travelling time when loaded, and loading
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Coal is the major source of power in India and world over. Coal mining is an essential industry which has a major role in the economic development of the country. Most major mining activities contribute directly or indirectly to air pollution. Coal dust is a major air pollutant which affects the personal working in the mines and also people residing in villages near the mines. Air pollution ...
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Most notably these include highwall mining machines, load haul dump vehicles (LHDs), rock drills, and haulage trucks. ... Pursuit of accurate navigation and control of continuous mining machines for coal mining, Proc. 4th Int. Symp. Mine Mech. Autom. (Brisbane 1997) pp. ... Autonomous mine truck, Mining Mag. 175(5), 287288 (1996)
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In these projects, the boring machines drill through rocks characterized with different properties. In coal mines, coal is one of the major types of sedimentary rocks with low uniaxial compression strength (UCS) (<120 MPa). The drilling depth in coal mines can reach 600 m, and the maximum diameter of back reaming reaches 5 m.
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This study established a truck dispatching model adopting 01 decision variables to rationally allocate truck transportation in openpit mines, maximize the total loading and unloading volume of trucks, and solve the problem of the inability of the truck dispatching model to guide production in openpit mines because of nonspecific results. The model considers loading and unloading logical ...
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Truck Cycle and Delay Automated Data Collection System in Surface Coal Mining November 2013 Journal of the Southern African Institute of Mining and Metallurgy 113(11):881888
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AutoMine®. The AutoMine® product group offers autonomous and remotely operated mobile equipment. It allows operators to simultaneously control and monitor multiple underground and surface machine operations in the comfort and safety of a remote control room. With AutoMine®, customers can scale up automation at their own pace.
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Autoloading without modification of the truck. The NALON N8 is a system for the automated loading and unloading of trucks and containers. The system is va lid for any truck with no need for modifications, and has a capacity of 150 pallets per hour. The NALON N8 can work on multiple loading docks, thereby increasing productivity.
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Abstract. Robots are being utilised for mining applications since 1976. However, since 2002, robots are widely into mining from conception to end product or even endusers. Lidar sensors connect robot with a realtime map making it travel safely but detects and avoids obstacles on its own. Autonomous Mobile Robots (AMR) are widely used to ...
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Approximately, 40% of the total energy used in surface mines is related to diesel consumption. Truck haulage is responsible for a majority of this. This chapter introduces the principal equipment used to load and haul materials in mines, namely trucks, electric rope shovels, hydraulic excavators and crushing and conveying systems.
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Diesel is also used for operating hauling machines (dump trucks) in opencast mine and accounts for 56% of the total diesel consumption. In this paper, a methodology is proposed for calculating overall energy consumption in major energy intensive mining processes such as loading and hauling operations of the coal mine.
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