simulation of coal mine and supply chaincoal mining conveyor chain

Simulation of the power supply system of the coal …

the same time, in the mines, the voltage level in the power supply system did not exceed 660 V. Fig. 1.Development of underground coal mining. - In the 70s – 90s of the 20th century, the ...

Failure analysis of scraper conveyor based on fault tree and …

Table 1 gives the failure statistics of the scraper conveyor in a coal mine from 2017 to 2019. The percentage of transportation system failure was as high as 50.9%, with the scraper chain and the scraper contributing 21.5% and 18.9%, respectively. ... then they will make up a supply chain together. In this supply chain, the maker and the user ...

(a) Fully mechanized mining equipment in coal mine and

The scraper conveyor is the key coal transportation equipment on the coal mining face. The conveyor often encounters the influence of abnormal working conditions, such as stuck chains, broken ...

Logistics Implications in the South African Coal Mining Industry Supply

Abstract. The importance of the South African coal mining industry goes back to more than 100 years. However, the logistics role of the of the coal supply chain since early 1920s when coal started ...

Operations modeling and analysis of an underground coal mine

In this study, a simulation model of an operations and materials handling system for an underground coal mine was built to investigate the relationship between the coal output and materials ...

MINING-VIRTUAL: A comprehensive virtual reality-based

The entire process and environment of a fully mechanized coal-mining face simulation were developed by modeling the mining objects ... such as belt conveyors and chain conveyors, frequently used for transportation in underground mines. ... (in Chinese) AND (Hong, Y.L., 2013. Coal mine accident simulation and safety training system …

Modeling the U. S. Coal Supply Chain

flow systems as well on previously created simulation models of coal supply chains. First let's take a look at the industry portion of the coal supply chain. Coal Storage Methods …

Novel approach to and implementation of design and …

An armored face conveyor (AFC) is a key piece of equipment for a fully mechanized long-wall mining system and is currently the only means for transporting bulk material in hard coal mines. To date, the AFC power train design has mainly been based on heuristics obtained via experience, coupled with simple calculations, which cannot take …

Dynamic simulation of an opencast coal mine: a case …

During the LOM extension project study phases of Coal Mine A, Modelling and Simulation (M&S) was conducted. Resource 2 Resource 1 North Fig. 1 Coal mine a resources proximity. Note The distance ...

Belt conveyor controlling hardware connected to the simulation …

A number of models for the simulation of the following subsystems of coal mines were developed [6, 7] such as: belt conveyor subsystem, power supply subsystem, ventilation subsystem, pumping ...

Numerical simulation and application study on a remote

McGrattan et al. introduced the coal mine fire detection sensor and the airflow remote control system based on fire simulation data.Perera and Litton developed a remote monitoring and control system, which can simulate underground ventilation in real time.Charles and Inoka introduced a ventilation network space navigation control system, …

A Discrete Event Simulation and Data-Based Framework for …

Coal is still a part of energy generation worldwide and has a significant role in the sustainable development of countries. The amount of shallow coal deposits is getting scarce, making efficient underground mining operations crucial for both local and global economies. In underground mining operations, longwall mining is a commonly utilized …

Application of DEM in Coal and Agricultural Machinery

Zhou W, Wei H (2013) Simulation and analysis of belt conveyor based on edem software. Coal Mine Machinery 34(5):89–91 (in Chinese) MathSciNet Google Scholar Zidek M, Zegzulka J, Jezerska L, Hlosta J, Necas J (2015) Optimisation of geometry of the chain conveyor carriers by DEM method. Inz. Miner. 2:143–148

(PDF) Dynamic Properties of Chain Drive in a Scraper Conveyor …

A scraper conveyor is important in coal mining. During operation, its working performance is affected by chain speed fluctuations, terrain fluctuations, and load changes. Thus, evaluating the ...

Dynamic simulation of an opencast coal mine: a …

During the LOM extension project study phases of Coal Mine A, Modelling and Simulation (M&S) was conducted. Resource 2 Resource 1 North Fig. 1 Coal mine a resources …

Application of efficient methods of conditional simulation …

The delivery of in-spec coal qualities is essential for an efficient and environmental friendly operation of modern coal-fired power plants. The design of the mining operation systems and blending opportunities plays a key role in homogenising variability and improving the prediction of key quality parameters, such as the calorific …

Simulating the Various Subsystems of a Coal Mine

A number of models for the simulation of the following subsystems of coal mines were developed [6, 7] such as: belt conveyor subsystem, power supply subsystem, ventilation subsystem, pumping ...

Simulation of Coal Mine and Supply Chain to a …

The model addresses the productivity of the mining sections, capacities of all conveyor belts, underground bunkers, surface silos, stockyards, materials handling equipment, …

Processes | Free Full-Text | Research on and Design of an

Conveyor belts are widely used in ore transportation in large-scale mines for their long transportation range, high safety, and strong economic applicability. Coal mine belt conveyors are not only traditional, simple mechanical conveying devices but also automatic control system operating devices that integrate safety, stability, and low power …

System for Mine Belt Conveyors

including coal mining. They are also used in underground construction and excavation work. This type of equipment is indispensable in sites where the working length needs to be changed periodically, for example, as the mine is excavated [2]. Belt mine conveyors are used in mines to deliver minerals and transport them through built-up …

A comprehensive interdisciplinary review of mine …

There is an everlasting distance and interdependence between mines and end-users as it involves different types of equipment, infrastructure, and facilities, …

Simulation modeling of the power supply system of the …

effectiveness of the implementation of FACTS devices in the power supply systems of coal mines can be performed using simulation methods.This article discusses the main …

Complex Simulation of Stockyard Mining Operations

The stockyard mining operation under consideration consists of two parallel stockpiles, with two stackers running along a central rail and two reclaimers running on opposing outside rails. Each stockpile is separated into zones to accommodate the stacking of different coal types as illustrated in Fig. 1.

Simulation and optimization of mining-separating …

The main simulation results show that: (1) the raw coal separating capacity of this deep mine matches its mining capacity, and the gangue backfilling capacity can almost meet the demand for backfilling after raw coal mining; (2) belt conveyors 1 and 6 are the transportation bottlenecks of increasing production in the mine, and the lifting ...

A Virtual Reality Collaborative Planning Simulator and Its …

The existing automatic control program and its parameters for three machines in a fully mechanized Coal Mining face are static and simplex and are therefore inadequate for satisfying the complex and dynamic environment of underground coal mines. To overcome this problem, a collaborative mathematical model is established that …

A virtual test and evaluation method for fully mechanized mining …

3.1 Smart mining and problem origin. We obtained some operational equipment and coal seam data in a working face from a coal mine located in China's Shandong region. The smart level of this working face is high, and it adopts the technologies of shearer memory cutting, hydraulic support automatic following shearer moving, remote …

(PDF) Structural and Discrete Element Analysis of Coal Mine Conveyor

Design of the Coal Mine Conveyor 2.2. Discrete Element Analysis Coal mine conveyor was designed using CAD In the DEM analysis; coal shape was designed tools and parametric solid modelling technique as the combination of spherical particles (Figure (Figure 5). For the design Autodesk Inventor 6).

Dynamic Properties of Chain Drive in a Scraper Conveyor …

A scraper conveyor is important in coal mining. During operation, its working performance is affected by chain speed fluctuations, terrain fluctuations, and load changes. Thus, evaluating the influence of these factors on the dynamic properties of a scraper conveyor is important. This study first built a dynamic property test bench. Then, the …

Simulation and optimization of mining-separating …

The main simulation results show that: (1) the raw coal separating capacity of this deep mine matches its mining capacity, and the gangue backfilling capacity can …

Simulation of Technological Processes in Coal Mining

EM of conveyor is built with simulation of functionality of its components, such as: structure and belt, drive station, control equipment. Model developed can …