scientific mining for coal

An evaluating system for scientific mining of China''s coal ...

2017-9-1 · From the perspective of the mining economy and energy management, Epstein et al. (2011) discussed the external costs of the life cycle of coal, including the stage of coal mining. Zheng et al. (2008) constructed a full cost system consisting of resource cost, security cost, environmental cost, development cost and production cost. Qian (2010) proposed that the scientific mining …

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Coal mining

2021-9-18 · Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal …

Energy and Mineral Resources Mining Contradictions in …

2020-12-12 · Energy and Mineral Resources Mining Contradictions in Coal-Uranium Coexisting Basin and the Countermeasure Suggestions IOP Conference Series: Earth and Environmental Science Wenxu Wang, Wei Wang, Pengbing Yan, Jinfeng Zhao

Application of improved and optimized fuzzy neural …

2021-9-28 · Longwall top coal caving mining is a special type of mining method, which is usually used to mine coal seams with a thickness of more than 4.5 m 1 cause longwall top coal caving mining …

Mining-Induced Pressure-Relief Mechanism of Coal-Rock ...

2021-7-12 · The results were applied to III1 mining area in soft rock protective layer mining, which created the mining way of traditional coal seam protective layer. Furthermore, the gas control technology of soft rock protective layer working face was put forward for deep coal seam with low permeability and high gas, enriching the pressure-relief mining theory of protective layer.

About Pingshuo

2019-8-29 · ChinaCoal Pingshuo Coal Company Limited has state approved coal resources with a total tonnage of 9.086 billion t, a staff member of 11000 and a total asset of RMB 31.547 billions. In passed five years, the raw coal production of Pingshuo Coal Company was annually increased with 10.00 million t. From 1982 to the end of 2009, the company had ...

New idea of coal mining: Scientific mining and sustainable ...

International Journal of Coal Science & Technology | Home

An evaluating system for scientific mining of China''s coal ...

The application of this evaluating system of scientific mining could be used for finding the existing problems in the coal production process. Therefore, the coal enterprise managers and the government regulators could make the appropriate policies to enhance the scientific exploitation level of coal mines.

(PDF) Impact of Coal Mining on Environment

2021-8-26 · Coal mining adversely affects the eco-system as a whole. On the unstable earth, the un-resting mankind constantly uses a variety of resources for daily lives. Coal is recognized to have been the ...

Science sidelined in approval of Australia''s largest coal ...

2020-5-11 · The Carmichael coal mine in Australia, proposed by Indian multinational Adani (Fig. 1), will open the untapped Galilee Basin, which holds billions of tons of coal, to decades of mining …

Glossary of Mining Terms

2018-1-4 · A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled …

Tech innovation leads China''s coal-rich Shanxi on smarter ...

2021-7-16 · During the 13th Five-Year Plan period (2016-2020), it eliminated 157 million tonnes of excess coal production capacity, and 55 coal mines in the province have adopted green mining practices. At present, 5G technology has been implemented in six coal mines in Shanxi, including Tashan, Xinyuan and Pangpangta, reducing work intensity, and improving safety and production.

Coal and coal seam gas

2021-9-12 · [toc] The Independent Expert Scientific Committee on Coal Seam Gas and Large Coal Mining Development (IESC) provides advice on individual development proposals. Regional scale management is informed by bioregional assessments being undertaken in areas subject to development pressure. These will provide baseline information and assess cumulative impacts.

Ground Subsidence Evolution from 1000 m Deep Mining: …

2021-9-27 · The mining of coal resources in eastern China has entered the stage of deep mining, and many mines have reached the depth of 1000 meters. Different from shallow and moderate depth mining, the temporal and spatial evolution regulation of surface movement and deformation under deep mining has its particularity. Combining with the geological and mining conditions of Fengfeng mining …

74 questions with answers in COAL MINING | Science topic

 · Coal Mining - Science topic. Explore the latest questions and answers in Coal Mining, and find Coal Mining experts. Questions (74) Publications (75,556) Questions related to Coal Mining. Joseph ...

Review of coal and gas outburst in Australian underground ...

【】:Outburst of coal and gas represents a significant risk to the health and safety of mine personnel working in development and longwall production face areas.There have been over 878 outburst events recorded in twenty-two Australian underground coal ...

International Journal of Coal Science & Technology | Home

2021-9-15 · The International Journal of Coal Science & Technology is a peer-reviewed open access journal published under the brand SpringerOpen. It focuses on key topics of coal scientific research and mining development, serving as a forum for scientists to present research findings and discuss challenging issues.

Coal mining and transportation

2020-12-10 · Mining coal . Coal miners use large machines to remove coal from the earth. Many U.S. coal deposits, called coal beds or seams, are near the earth''s surface, while others are deep underground.Modern mining methods allow coal miners to easily reach most of the nation''s coal reserves and to produce about three times more coal in one hour than in 1978.

Journal of Coal Science & Engineering(China)-《Journal of ...

Guide for Authors Journal of Coal Science & Engineering(English Edition), a comprehensive academic periodical of the China Coal Society, covers the fields of coal science and technology including coal geology, exploration, mine survey, mine project assessment ...

Coal Mining | Science Museum Group Collection

Coal Mining. These objects include the hand tools, safety equipment, personal items and machinery used by the miners of the Lancashire coalfields from the 18th century to the 1980s. All 1,234 People 0 Objects 1,234 Documents 0. View:

coal mining | Definition, History, Types, & Facts | Britannica

2021-9-23 · Coal mining, extraction of coal deposits from the surface of Earth and from underground.. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the large-scale exploitation of coal ...

Coal Mining: How Is Coal Mined?

2020-12-10 · Mining coal . Coal miners use large machines to remove coal from the earth. Many U.S. coal deposits, called coal beds or seams, are near the earth''s surface, while others are deep underground.Modern mining methods allow coal miners to easily reach most of the nation''s coal reserves and to produce about three times more coal in one hour than in 1978.

Coal and coal seam gas

2021-8-15 · [toc] The Independent Expert Scientific Committee on Coal Seam Gas and Large Coal Mining Development (IESC) provides advice on individual development proposals. Regional scale management is informed by bioregional assessments being undertaken in areas subject to development pressure. These will provide baseline information and assess cumulative impacts.

Coal Exploration and Mining Geology

2020-8-18 · UNESCO – EOLSS SAMPLE CHAPTERS GEOLOGY – Vol. V – Coal Exploration and Mining Geology - Colin R. Ward ©Encyclopedia of Life Support Systems (EOLSS) • Coal Marketing: the procuring of markets or development of facilities to use the coal that will come from the mine over its working life; • Mine Development: the acquisition, construction and …

Mining News -

2021-9-23 · Mining Precious Rare-Earth Elements from Coal Fly Ash With a Reusable Ionic Liquid June 23, 2021 — Rare-earth elements are in many everyday products, such as smart phones, LED lights and batteries.

New idea of coal mining: Scientific mining and sustainable ...

Scientific coal mining is to maximally obtain natural resources on the premise of the harmonized geology and ecological environment under the guidance of outlook of scientific …