design of coal mine

The design and equipment of a model coal mine for the Union …

The design and equipment of a model coal mine for the Union Pacific Coal Company, Superior, Wyoming William Thomas Sharp Follow this and additional works at: https://scholarsmine.mst /professional_theses Part of the Mining Engineering Commons

[PDF] Design of coal mine drainage system | Semantic …

Design of coal mine drainage system. Research from coal fields show that increased production from coal mines resulted in a wider pit. Changes in the water catchment area resulted in changes in the calculation of mine water volume. Excessive mine water volume affects mining activities. Large amounts of water in the pit causes disruption in ...

[PDF] Design of Coal Mine Gas Monitoring System Based …

In order to carry out real-time monitoring of the underground gas concentration, the coal mine gas monitoring system based on DSP and gas concentration sensor MQ-4 have been designed. Gas monitoring system is mainly composed of the main control unit, liquid crystal display, sensor and Ethernet communication module. After the signal is monitored by the gas concentration sensor, the collected ...

Design of coal mine entry intersections (Book) | OSTI.GOV

OSTI.GOV Book: Design of coal mine entry intersections Design of coal mine entry intersections Full Record Other Related Research Abstract ...

International Mine Water Association

were often accommodated in the run-of-mine design. Designs for coal, gold and diamond open pits are very similar. Water is collected at the lowest point in the open pit or underground mine, then pumped to surface. However, where profit is sensitive to the cost ...

Design of coal mine roof support and yielding pillars for …

 · The Geomechanics Classification was modified for entry and roof support design in underground room-and-pillar coal mines. Adjustment multipliers were introduced to incorporate the influence of strata weatherability, high horizontal stresses, and the roof support reinforcement factor into the existing classification system.

Design and Development of Coal Mine Safety System using IoT

Design and Development of Coal Mine Safety System using IoT Aravindu.S 1, Athreya.M 2, Aqshay.C 3, Karthikeyan.J 4, Priya.B 5 1,2,3,4 UG Students, 5 Associate Professor

Coal mining

Coal haulage, the transport of mined coal from working faces to the surface, is a major factor in underground-mine efficiency. It can be considered in three stages: face or section haulage, which transfers the coal from the active working faces; intermediate or panel haulage, which transfers the coal onto the primary or main haulage; and the main haulage system, which removes the coal from the ...

GUIDELINES FOR THE INTEGRATED PLANNING AND DESIGN OF UNDERGROUND COAL …

Mine planning and design involves the compilation and integration of all relevant geological, geotechnical, mining, engineering and economic data into a single document to define and describe the exploitation strategy for a particular mineral or coal deposit within

Design of Bord and Pillar method in coal mines %

Design of Bord and Pillar method in coal mines. underground mining. After pillar have been on bord and pillar system, has to be given to die extraction of mall from the prams; the operation is known as pmar . It Is referred to as depillaring or broken. One of the oldest method of mining is Bord and Pillar.

Design of Coal Mine Underground Drainage Pump Monitoring …

Design of Coal Mine Underground Drainage Pump Monitoring and Controlling System using ARM7 and Touch Screen Devashish Saha ECE Department, Lingayas University, Faridabad. S.V.A.V. Prasad,Ph.D Dean Lingaya''s University Faridabad. Nitin Saluja

Design of Coal Mine Monitoring System Based on …

In view of the current status of the coal mine safety monitoring system, this paper puts forward a design schemes of monitoring mining safety system based on internet of things. The environment parameters such as gas concentration, moisture/temperature, the dust density and equipment state,secure environment are perceived through wireless sensor network and existing ethernet in coal mine.

COAL PILLAR STRENGTH AND PRACTICAL COAL PILLAR DESIGN CONSIDERATIONS

155 COAL PILLAR STRENGTH AND PRACTICAL COAL PILLAR DESIGN CONSIDERATIONS By Daniel W. H. Su, Ph.D.,1 and Gregory J. Hasenfus2 ABSTRACT This paper demonstrates that finite-element modeling can be used to predict in situ coal pillar strength,

Design of coal mine drainage system

The purpose of the study is to analyse statistically the parameters of the mine drainage system, and to design the mine drainage system; including open drain, sump, and settling pond. The research tools used include the calculation of runoff water discharge that requires statistical analysis for rainfall data processing and the determination of catchment area (CA).

Design of Coal Mine Power Supply Monitoring System | …

TY - CONF AU - Lei Shi AU - Guo Jin AU - Jun Xu PY - 2016/09 DA - 2016/09 TI - Design of Coal Mine Power Supply Monitoring System BT - Proceedings of the 2nd International Conference on Electronics, Network and Computer Engineering (ICENCE 2016) PB ...

"ANALYSES FOR DESIGN AND SUPPORT OF COAL MINE …

Analyses and field observations were done for typical 4-way intersections at two mines in southern Illinois operating at depths of 150 m and 80 m, respectively in the No. 6 coal seam, which averages 1.8 m in thickness. Pre-mining horizontal stresses of 7.58 MPa and …

Design of open pit coal mine slopes: An integrated …

 · (1987). Design of open pit coal mine slopes: An integrated approach. International Journal of Surface Mining, Reclamation and Environment: Vol. 1, No. 3, pp. 179-185.

Design of Coal Mine Monitoring and Controlling …

 · Because of the limit of the domestic configuration software which is in the use of scrutinizing the coal mine, the ActiveX technique is discussed and the design of the safety of coal mine, which utilize the ActiveX technique, is actualized. The fig of system frame and the implementation of part of modules are also given. This system can provide the friendly interface for the controlling of ...

Research and Design of Coal Mine Intelligent …

 · System of coal mine emergency plans (EP) is effective means to prevent coal mine accidents and disasters accidents, and also is one important segment to establish perfect coal mine safety production system. According to emergency management situation of coal enterprises, the meta framework model of emergency plans are established for emergency plans organization and …

Design of Coal Mine Power Supply Monitoring System | …

 · According to the characteristics and the management pattern of coal enterprises production and supply, this paper designs a kind of mine power supply monitoring system. The system can carry out real-time monitoring, measurement, protection and control for mine power equipment, the realization of underground high, low-voltage power supply devices ...

Development and Application of the Coal Mine Roof Rating …

COAL MINE GROUND CONTROL The Coal Mine Roof Rating (CMRR) was developed more than 10 years ago to meet the needs of mine planners for a simple, repeatable, and meaningful classification system [Molinda and Mark 1994]. It employs the familiar

(PDF) Design of a Powered Support System in Enugu …

Coal seams may have shale, sandstone or combination of both as their roof or floor. If the Table 2.1: Summary of the Geologic Features of floor is weak, there is limitation to the kind of Seams 3 and 4 in the Enugu coal mine mining

Design of backfilled thin-seam coal pillars using earth …

In underground coal mining any increase in coal recovery rate is dependent on a decrease in pillar size. Backfilling is one way of reducing the required size of pillars and hence the volume of coal left underground. Therefore any comparisons made between a self-supported mine layout and backfill supported mine layout are based directly on pillar design. The most effective way to examine the ...

Design and Implementation of Coal Mine Safety using IoT

Traditional coal mine monitoring systems tend to be wired network systems, which play an important role in coal mine safe production. This system controls the ventilation demand to mine workers depending upon present climate conditions within

Design Of Underground Coal Mine Monitoring System …

 · Design Of Underground Coal Mine Monitoring System International Journal of Engineering Research & Technology (IJERT) ISSN: 2278-0181 Vol. 2 Issue 5, May – 2013 Vaibhav Pandit M.E. student, Dept. of Electronics & Telecommunication, S.S.G.M.C.E

Parametric design of a coal mine refuge chamber

ABSTRACT Parametric Design of a Coal Mine Refuge Chamber Michael A. Fasouletos In 2006 several coal mine tragedies led to safety legislation to provide post accident protection to coal miners. One of the key aspects of this legislation was providing refuge

Pillar design in coal mines

 · pillar design in coal mines, different pillar design approaches, salmon versus sheorey formulae, panel stability, diffrent approaches, local mine stiffness Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

(PDF) DESIGN OF IOT BASED COAL MINE MONITORING …

Safety of miners is a major challenge nowadays. So we are using IOT based wireless system for monitoring the coal mines and health of the workers. We use two modules which are directly connected to the CLOUD SERVER. In first module we use several

DESIGN OF SUPPORT SYSTEM IN BORD AND PILLAR …

 · There is a lot of coal that is blocked in the underground mine because of roof fall and other support failure phenomenon. For the safe extraction of coal we have to manage the strata pressure and to design the proper support system as per the distribution of load.

Design of Underground Hard-Coal Mines, Volume 3

In some countries specialist design offices were set up and students trained as specialists in mine design and construction. Poland, a country having mining traditions stretching over many centuries, is a good example, and has gained a place in the forefront, not only as a coal producer and exporter, but also as an originator and exporter of technical mining know-how.

Design Of Underground Coal Mine Monitoring System

mine worker''s safety. 1.2 Challenges in underground environment In coal mines, the major emission is of methane. The methane released during and after mining operations is called Coal mine methane (CMM). In recent years, there have been

Support System Design for Deep Coal Mining by …

Importance of numerical modeling in mine design gained pace after modern way of approach took birth through many variants. Methods such as Continuum and Discontinuum emerge as most effective in resolving certain issues. Cases such as heterogeneity, prevailing boundary conditions in continuum case and presence of discontinuities in other have provided solutions for many causes. A suitable ...

Design of Underground Hard-Coal Mines, Volume 3

Description. The escalating worldwide demand for energy has had the effect, among other things, of promoting the development of coal mining. In some countries specialist design offices were set up and students trained as specialists in mine design and construction. Poland, a country having mining traditions stretching over many centuries, is a good ...

Design of Compressed Sensing Algorithm for Coal Mine …

 · Design of Compressed Sensing Algorithm for Coal Mine IoT Moving Measurement Data Based on a Multi-Hop Network and Total Variation. Wang G(1)(2), Zhao Z(3)(4), Ning Y(5). Author information: (1)The National Joint Engineering Laboratory of Internet Applied ...

DESIGN OF COAL MINE SAFETY

Abstract: A cost effective ZigBee based wireless mine supervising system with voice over ZigBee (VoZ) is presented here.Here we design a smart helmet, which ...