research machinery used in the coal mines

The intelligent construction of coal mines is a complex system of engineering; when the mine geological environment, production requirements, and mining status are different, the levels and standards …

The detection and control of tunneling equipment groups based on machine vision has become a research hotspot in the intelligence process of coal mines. This study first introduces the key ...

However, 60% of the total coal production in the world is from underground mines, whereas in India it constitutes only 6.74% in the financial year 2016-17. Thus, underground coal production in ...

"Hurriers and Thrusters" in the coal mines. In British coal mines, children typically had one of three jobs. Trappers, typically the youngest, would open and close the wooden doors–also called trap …

Coal Mine Machinery. 2011; 12:32. Wang Y, Zhao B-C, ... Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in Coal Mining and many other scientific topics.

Fa et al. (2021) explored the causes and internal causality of coal mine accidents from the four aspects of human, equipment, environment, and management, based on text mining and association rule technology. Li and Li (2020) used the Apriori algorithm to mine the association rules between accident causes and obtained a …

As a common excavation equipment in coal mine, bolter-miner plays an important role in the process of roadway tunneling. And it is essential to achieve the accurate measurement of position and ...

Coal mine. intelligent monitoring and identification system integrates artificial intelligence into coal mine safety. production managem ent, monitors and identifies equipment status and personnel ...

The underground coal mines (UCM) exhibit many life-threatening hazards for mining workers. In contrast, gas hazards are among the most critical challenges to …

Modern room-and-pillar mining techniques require machines to shear coal from the faces of seams, and all the mined coal is loaded onto conveyor belts that transport it up the slope and out of the ...

Mining safety is recognized as one of the factors influencing the mining industry's long-term viability. Therefore, we did a bibliometric analysis to take stock of safety management in the coal mining industry. This study suggests a three-step strategy, comprising literature extraction and screening, bibliometric analysis, and discussion, to …

2.2 Coal resources mining characteristics. With the active promotion of China's carbon peaking and carbon neutralization work, China's energy supply has achieved remarkable results and production has grown steadily (Zhang et al 2022; Li 2021).As shown in Fig. 2, the raw coal production of China was 4.13 billion tons in 2021, …

The mission of the NIOSH research program for the mining sector is to eliminate occupational diseases, injuries, and fatalities among workers in the mining industry. Therefore, explosion protection research at NIOSH is focused on continually improving the safety of miners. Certain explosion-protected equipment used in other …

Longwall mining machines are the most common machines used in underground coal mining. These mining tools are used to build underground galleries and tunnels by leveraging the machine's shearing capabilities. ... 2023—After over a year of preparation and research, the Elios 3 has successfully 3D mapped a vault built in the 1960s to store ...

It is widely used in coal mine underground equipment positioning and information transmission. In view of the above problems, this research uses the WLR-5A mining unmanned wheeled chassis experimental platform; uses two UWB receivers to infer the position and yaw information of the vehicle in the underground roadway through the …

Coal mining research and development (R&D) are carried out by a range of organizations and entities—federal government agencies, state government agencies, equipment manufacturers, academic institutions, and industry. ... Further, MSHA evaluates new equipment and materials for use in mines at its Approval and Certification Center. It …

The research results enrich the SLAM algorithm and implementation in unstructured environments such as underground coal mines, and help to solve the problems of environment perception, real …

Likewise, continuous mining equipment in underground coal mining, along with draglines and bucket wheel excavators in surface coal mining, were key advances …

In 2021, China's coal usage increased at a 4.6% annual pace, accounting for 56.0% of the country's total energy consumption The process of coal mining is often accompanied by gas emission, a phenomenon that affects the safe production of coal mines and the personal health of mine workers and is a major safety hazard in coal …

Coal Authority. Mine water is a plentiful source of heat, warmed by geological processes below ground (Credit: Coal Authority) A quarter of the UK's homes sit above abandoned coal mines, long ...

Assessment of vibration exposure of mine machinery operators at three different open-pit coal mines June 2022 Journal of the Southern African Institute of Mining and Metallurgy 122(5):1-9

Surface miner, a coal cutting machine, has broad application in Indian opencast coal mines. The relationship between the coal production and the input provided for the same defines the productivity of the surface miner. Machine shift-time, pick consumption and diesel consumption are identified as the key productivity indicators of …

Zhou designed a collecting and computing platform applied to predictive maintenance of coal mine electro-mechanical equipment based on main controlling chip of STM32F4. which can real-time collect vibration, temperature, pressure and other data of coal mine equipment. The test results showed small errors for this platform, which can …

In surface mining, the ground covering the coal seam (the overburden) is first removed to expose the coal seam for extraction. The elements of a surface mining operation are (1) topsoil removal and storage for later use, (2) drilling and blasting the strata overlying the coal seam, (3) loading and transporting this fragmented overburden material (called …

This paper proposes a method to determine the distribution state of coal and rocks in the coal–rock mixed layer in the coal mining area by using machine …

Considering the complexity and diversity of coal mine intelligent construction index factors, this paper proposes an intelligent coal mine construction evaluation model that integrates the fuzzy decision …

These two figures captured most variants of surface coal mining and included essential equipment including mobile earth moving machinery along with surface installations like crushers and conveyors. In this section, the important moving …

Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios: …