(PDF) Performance Measurement of Mining Equipment

The measurement of mining equipment performance has evolved. Initially, the measurement was done using singlemeasurement indices such as machine …

Dynamic simulation of an opencast coal mine: a case study ...

2019-12-13 · Coal excavation was planned to be conducted using truck and shovel processes. The system which was simulated was the coaling operation from the mine, a new Bulk Materials Handling (BMH) system, which tied into an existing …

Savings in coal mining | PR | Wirtgen

2021-10-2 · Those samples were compared with similar ones taken from the conventional mining equipment and identical mining fields. Significant advantages emerged when working with the surface miner, which produced 14% fewer fines at grain sizes of less than 2 mm compared to the conventional mining system.

Coal mines need lower costs, raised productivity

2020-10-16 · Coal mines need lower costs, raised productivity. Kwatani partners with majors and junior miners alike, offering two distinct equipment ranges tailored to each segment''s specific requirements and capital budget. With over 44 years of local and global experience, this vibrating screen specialist has a strong product footprint.

Volume 65 No. 1 January 2020 – Journal of Mines, Metals ...

2020-1-1 · Jan 2020 / by Sumit Banerjee, Netai Chandra Dey. Continuous Miner (CM) is an underground coal mining machine, capable of producing coal from underground at a considerably higher rate. With incessant modernization, demand for power is increasing rapidly, which deserves a boost in coal production in India. Opencast mining in India contributes to ...

Loading and Haulage Equipment Selection for Optimum ...

2019-6-22 · Equipment selection for open-pit mines is a major decision, which in turn, impacts greatly on the economic viability of an operation [2].Models for equipment selection and evaluation described by Celebi [3] were aimed at selection of the equipment

in india which coal mines use heavy equipment

India''s demand for coal continues to increase to meet the needs of coal-based thermal power plants and the steel industry. The coal mining industry accounts for about 80 percent of India''s demand for mining equipment used for open pit mines, which account for 90 percent of India''s mining operations.

PERFORMANCE ASSESSMENT OF SURFACE MINER IN …

2016-1-5 · Over the past few decades, opencast coal mining in India has become more prevalent than underground mining, this is mainly because of rising demand for coal. So, in order to fulfil this rising demand, application of larger equipment''s (Dragline, BWE, Surface-miner etc.) in opencast mines has grown significantly.

Investigating Carryback World Coal

2014-9-11 · core business activities. Overall, ineffective belt cleaning increases maintenance costs, reducing process efficiency and manpower availability. At a Powder River Basin (PRB) opencast coal mine, an additional concern to ineffective belt cleaning was the difficulty of inspection and maintenance of the existing system,

Coal mines need lower costs and raised productivity

2020-10-16 · Coal mines need lower costs and raised productivity. By Kwatani. Oct 16, 2020. Kwatani designed and manufactured robust grizzly coal screen. Despite South Africa''s energy supply being heavily reliant on coal, weak prices and …

Energy efficiency assessment of electric shovel operating ...

2021-9-1 · Energy efficiency benchmarking for mining system has been developed by Wang et al. and Sahoo et al. [7,8]. Electric shovels consume about 32% of the total electrical energy usage in an opencast mine . Energy efficiency indices have been used by researchers to assess energy efficiency in mining process.

Savings in coal mining | PR | Wirtgen

2021-11-18 · Three tasks in a single operation. Wirtgen surface miners can cut, crush and directly load material onto trucks or dumpers in a single operation. This saves time and the additional cost of purchasing machinery and fuel. Working with the 4200 SM in the Australian mine resulted in a 79% reduction in fuel consumption per cubic meter of mined ...

opencast mining %

2020-8-30 · Opencast mining or quarrying of minerals is easier than mining by underground methods. During quarrying the and rocks below which the minerals lie, are removed and in the initial stages, in a place which is not required in future g, residential or other purposes. The mineral exposed is completely extracted, Opencast mining is also known as open-put mining, …

Performance assessment of draglines in opencast mines

Indian Journal of Engineering & Materials Sciences Vol. 11, December 2004, pp. 493-498 Performance assessment of draglines in opencast mines Piyush Rai Department of Mining Engineering, Institute of Technology, Banaras Hindu University, Varanasi 221 005, India Received 26 May 2003; accepted 17 August 2004 The present paper investigates a few important …

Noise from opencast coal mining sites

1980-3-1 · NOISE SOURCES Two views of an opencast coal mining site are shown in Figs l (a) and (b). These show clearly the way that the site is excavated in strips in order to remove coal from the various seams which occur at different levels. An opencast site may vary in size from several hundred metres to a few kilometres across.

PERFORMANCE ANALYSIS OF HEAVY EARTH MOVING …

2016-1-4 · To carryout performance appraisal of different HEMMs used in opencast coal mines of Gopinathpur mine, Mugma area, Eastern Coalfield Limited & Jeenagora mine, Lodna area Bharat Coking Coalfield Limited. To calculate percentage availability and utilization of HEMMs and determine their OEE (overall equipment effectiveness).

Water and energy assessment for dewatering in opencast …

2014-12-1 · A case study of water pumping of an opencast coal mine in India resulted in SWR of 22.8 m 3 /t and SEC of 8.97 kWh/t of coal for a maximum daily rainfall of 100 mm/d in the year 2010. The results show that the SEC increases by 34% from 3rd year in 1998 (6.65 kWh/t) to the 15th year (8.97 kWh/t), with progress of mining.

Jänschwalde/Cottbus-Nord opencast mines

2017-1-23 · Nord opencast mine, it is 10 up to 12 metres thick and in Jänschwalde up to 12 meter. Approximately 9 million tons of run-of–mine coal is mined in Jänschwalde per year. The phasing out of Cottbus- Nord opencast mine to 2015 is running ac-cording to plan. Extraction capacities will fall from 7 to 4 million tonnes raw coal per year.

Machine performance index (MPI): a method to evaluate …

Overall Equipment Effectiveness (OEE) is a well-known measurementmethod, which combines availability, performance and quality, for the evaluation of equipment effectiveness in manufacturing ...

Overall equipment effectiveness

Overall Equipment Effectiveness (OEE) is a preeminent practice for monitoring and improving efficiency of the manufacturing processes such as machines, cells, assembly lines and etc. OEE is …

Henk Fourie

With 38 years in the mining industry, my experience include strategic and life-of-mine planning, operational management and efficiency improvement, mine …

Opencast Mining

Mining and opencast mining in particular affect all components of ecosystems (Bradshaw, 1997).During opencast mining, material overlying the mined minerals, called overburden, is excavated and deposited in a heap. This heap can be located either inside the mine pit (an internal heap) or outside (an external heap).

Study of efficiency and productivity growth in opencast ...

2002-9-1 · A broad picture of development of productivity is given in Fig. 1, Fig. 2, which show decomposition of total factor productivity for the average case of opencast (OC) and underground (UG) mining the case of opencast mining, total factor productivity shows a decline by approximately 26% during 1990–1995 and increase of 7 and 8%, respectively, during …

Performance Assessment of Surface Miner in Indian Coal …

Over the past few decades, opencast coal mining in India has become more prevalent than underground mining, this is mainly because of rising demand for coal. So, in order to fulfil this rising demand, application of larger equipment''s (Dragline, BWE, Surface-miner etc.) in opencast mines has grown significantly. Surface miner is one such equipment which is becoming more …

(PDF) Overall Weighting Equipment Effectiveness

Overall equipment effectiveness (OEE) is a common performance measure used in manufacturing industry to identify and prioritize losses to perform improvement work on …

-Availability and utilization factors | Download Table

Overall Equipment Effectiveness (OEE) has been used since last over two decades as a measure of performance in manufacturing industries. Unfortunately, enough, application of OEE in …

Optimization of the load-and-haul operation at an …

Locally, the overall mining cost inflation indices shows a yearly increase of 2% over the national consumer inflation. In order for coal mines to survive and mine profitably, they need to capitalize on the opportunity to improve their productivity and focus on one factor they can control: operational efficiency.

Availability And Utilization Of Mining Equipment

2021-3-25 · Digging Deeper Bringing Together Sustainable Mining And. Mar 09 2021 let''s look at two impactful ways the mining industry is increasing the equipment and machine efficiency no 1 data and analytics help to improve equipment efficiency and utilization the first thing you notice walking into a mine''s operational center is the amount of information flowing through the large …

TECHNOLOGICAL INNOVATIONS IN COAL MINING …

2015-1-27 · TECHNOLOGICAL INNOVATIONS IN COAL MINING INDUSTRY S Jayanthu*, P Rammohan**, and Chandramohan *** *Professor, ** MTech Scholar, Mining Engg Dept ... which autonomy could provide the most value were in improving overall mine performance, ... Deep and large opencast coal mines of 400 m to 450 m depth are considered important to increase the