Flexible production scheduling ensures the efficient and orderly flow of ore from underground to surface. As the largest group of equipment in underground mines, …
This paper presents an algorithm for optimizing the scheduling of trackless equipment in underground mines. With the shortest working interval and maximum productivity as …
Trackless Mining in Underground Metal Mines COLLOQUIUM AND GENERAL MEETING Trackless Mining in Underground Metal Mines A General Meeting and…
The horizontal stripe pre-cut mining method is designed for underground metal mines with horizontal orebodies. This method divides the orebody into multiple areas at certain
At 19 open-stope mines, transportation averaged 26.3 percent of the total underground cost; at 19 mines employing shrinkage stoping, 22.65 percent; at 3 mines employing block caving, 21.03 percent; at 8 mines employing square-set stoping, 12.77 percent; and at 4 mines employing cut-and-fill stoping, 12.9 percent.
Underground mining has historically occurred in surface and near-surface (shallow) mineral deposits. While no universal definition of deep underground mining exists, humanity's need for non-renewable natural resources has inevitably pushed the boundaries of possibility in terms of environmental and technological constraints.
The path planning algorithm was used to solve the problem of path planning for trackless equipment in underground mines based on the articulated structure and drift environment conditions. ... Li, J.; Zhan, …
With the wide application of bolt-shotcrete support and various efficient self-mining equipment, the mining thickness of the room-and-pillar mining method can exceed 30 m, and the loading machine with an 8 m 3 bucket and the 50-ton dump truck have been used. In the mining of more valuable deposits, some pillars can be replaced …
In trackless transport of underground mines, accidents are much more frequent and serious due to the lack of effective safety warning measures. In this paper, a method of anti-collision for ...
Fermel (Pty) Ltd is a 54 year old veteran in the mechanization of mining equipment, established as a leading innovator and manufacturer of underground mining equipment for both hard-rock and flameproof mining operations.
Mining - Underground, Safety, Techniques: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, …
Trackless mining equipment such as rock-drilling jumbos, down-the-hole (DTH) drills, underground scrapers, underground mining trucks, and underground …
in an underground mine: 244482: 2: Transfer broken rock by means of a remote-controlled Load Haul Dumper in an underground mine: 244467: 2: Suppress dust in an underground mine using a water bowzer: 244373: 2: Drill holes underground by means of a handheld rock drill machine: 244415: 2: Doze material using a Track Dozer in an …
Research on intelligent mining equipment scheduling optimization in underground metal mines is critical to achieving high-efficiency, real-time operation, …
Sun H, Xu S (2007) On digital mine. Metal Mine 2:1–5. Google Scholar Zhan K (2004) Present situation and development trend of trackless mining equipment in underground mines in China. World Nonferrous Metal …
With the increasing application of trackless equipment in underground mines, delivering equipment into a shaft by using the service shaft alone is limited to a certain extent. ... Xie S-J (1986) Underground mining of metal deposit, 2nd edn. Metallurgical Industry Press, Beijing. Google Scholar Download references. Author …
LHD is a diesel, compressed air or electric powered machine for trackless underground mining. With growing concern over environment and more stringent regulations on mine air quality and CO 2 emissions [2], one alternative is to use electric equipment; as well as complying with regulations and being a more sustainable …
However, the output of trackless equipment is vastly superior to the manual method, while roof control can be accomplished by the drill jumbo which drills smooth-blast holes together with the stope blast. ... Equipment for Underground Mining. ... Standard for Fire Prevention and Control in Underground Metal and Nonmetal …
1. Large Mining Trucks. To move materials around a mine site, workers need heavy-duty trucks. Also known as off-highway trucks, large mining trucks include both powerful mechanical models and …
Investigations of accidents/incidents and identification of hazards associated with various mining activities through case studies are very essential to eliminate the contributory factors for unsafe condition in mines. A comprehensive study on recent accident/incidents and inter-related hazardous issues of an Indian trackless …
These mines encompass 47 Pb-Zn metallogenic belts, including seven super-large deposits, 33 large deposits, 122 small deposits, and 2395 mineralization points.
Production scheduling management is crucial for optimizing mine productivity. With the trend towards intelligent mines, a lean scheduling management mode is required to align with intelligent conditions. This paper proposes a lean scheduling framework, based on short interval control as an effective tool to adapt intelligent scheduling in …
To address this problem, this paper proposes a dynamic scheduling model for underground metal mines under equipment failure conditions. The model aims to minimize the impact of equipment …
To map the mine's environment, handheld laser scanners are commonly used by mining companies. However, hazardous conditions such as dust and toxic gases, as shown in Fig. 1 (a), can prevent surveyors from accessing the scanning area, which slows down data collection. Additionally, manually editing the map created by the …
In light of the existing problems in the current mine trackless transportation system, this paper combines the actual working state of the transportation trucks in underground mines, considering the difference in the travel time of different trucks on different transportation sections and the meeting situation on the ramp section, …
It is the main mode of underground transportation in metal mines. Its basic task is to transport ore, waste rock, materials, equipment, personnel, etc. Some large open-pit iron mines also use track transport systems to transport ore and waste rock. ... Trackless equipment transportation in underground mines started in the early 1960s. The ...
This article analyzes the current research status and development trend of intelligent technologies for underground metal mines in China, where such technologies are under development for use to develop mineral resources in a safe, efficient, and environmentally friendly manner. ... Yuan K. Combination study on underground trackless equipment ...
(1) The continuous mining system composed of the one-step mining method and trackless mining equipment is a mechanized production line of mining, ore breaking, ore drawing (transfer), and ore transportation dominated by trackless mining equipment based on the mining system of one-step mining in large ore section and …
We introduce the latest equipment and technologies with independent intellectual property rights for unmanned mining, including intelligent and unmanned control technologies for rock-drilling jumbos, down-the-hole …
The research on anti-collision of trackless equipment started very early overseas, and the digital mining is particularly represented by the Automine system and Optimine mine information ...
1.1 PURPOSE OF COST ESTIMATION IN UNDERGROUND MINING OPERATIONS In today's competitive mining industry, mining costs, whether they are forecasted or from operations, are under increased scrutiny as mining companies struggle to bring new properties on-line or position existing properties to weather
Trackless mining equipment such as rock-drilling jumbos, down-the-hole (DTH) drills, underground scrapers, underground mining trucks, and underground charging vehicles have been developed using intelligent technologies. Suitable communication techniques, sensors, artificial intelligence, virtual reality, information technology, and computer ...
LHD is a diesel, compressed air or electric powered machine for trackless underground mining. With growing concern over environment and more stringent …
trackless equipment in underground mines. With the working interval shortest and maximum productivity as goals, a Genetic Algorithm (GA) is used to solve ... Key Laboratory of Ministry of Education for Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing, China. 2.
As the largest group of equipment in underground mines, trackless equipment is utilized for drilling, charging, loading, scaling, bolting, and other activities.
ABSTRACT The purpose of transportation dispatching in underground mines is to achieve efficient connection and operation cycles between different stopes while ensuring efficient ore transportation from stopes to a mill. The transportation system of large underground mines is a typical complex transportation network with large-scale …
