• Industry Sector: Coal Mines

    Statutory instruments issued to the enterprises 3 Description of the audited premises 3 Process description and environmental issues 5 Underground and open cut mining processes 5 Air pollution 5 Noise and blasting 5 Water pollution 6 Rehabilitation of mine sites 6 Summary of findings of compliance audits 7 Preventing air pollution 8 Dust control 8 Other air pollution .

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  • THE COAL MINES REGULATIONS, 1957

    THE COAL MINES REGULATIONS, 1957 dated the 24th October, 1957 – In exercise of the powers conferred by section 57 of the Mines Act, 1952 (35 of 1952) and in supersession of the Indian Coal Mines Regulations, 1926, the Central Government hereby makes the following Regulations, the same having been previously published as required by sub .

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  • Glossary of Mining Terms

    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 packs .

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  • Improved YOLOv4 network using infrared images for personnel detection .

     · Personnel detection in a coal mine is of great significance for monitoring the safety and realtime positioning of underground personnel. However, the uneven illumination, large dust, imaging noise, and other factors give the existing methods a high false detection rate for personnel detection. To overcome this problem, an improved YOLOv4 network for personnel .

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  • Coal mine low power laser methane detection and alarm instrument

     · The instrument can detect methane concentration, ambient temperature and ambient pressure at the same time. It has the functions of sound and light alarm, historical data storage and query, and integrates WiFi to realize data wireless transmission. The instrument can work continuously for 36 hours, and the response time is less than 15 seconds.

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  • Tectron

    There are currently two methods for detecting tramp metal; Inductance or Eddy current technology. There are specific advantages and dissadvantages for both systems but the most preferred method is Eddy current. Eddy current has some specific advantages like: detection is not dependant on the loion of the tramp metal in the burden of material

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  • The Coal and Other Mines (Ventilation) Order 1956

    This order is made under the Mines and Quarries Act, 1954, s. 190, which empowers the Minister of Fuel and Power to reenact (to the extent to which they could be enacted in regulations made under the Act and subject to modifiions of the kind specified in that section) the provisions of regulations, certain orders and enactments which will cease to have effect at the .

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  • Coal mine low power laser methane detection and alarm instrument

    a mobile methane alarm internet of things (iot) system for coal mine based on portable instrument has been developed, which realizes realtime upload of data and cloud analysis, makes the traditional mine gas monitoring and control system powerfully supplemented, greatly improves the detection level of coal mine gas, and has broad appliion .

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  • The Story of the Real Canary in the Coal Mine

     · On this day in 1986, a mining tradition dating back to 1911 ended: the use of canaries in coal mines to detect carbon monoxide and other toxic gases before they hurt humans. New plans from the...

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  • instrument survey for coal mine

     · Surface geochemical survey in the vicinity of, Know More. Jul 20, 2021 0183 32 Fig 1 presents the KHW SA mining concession area and surrounding coal mines mentioned in the text data as of the end of June 2015 Detailed lithostratigraphy of Carboniferous formations in the Polish part of the USCB with marked topmost and bottommost coal seams, and the range .

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  • instrument survey for coal mine

    instrument to detect coal mine. Research on Detection Device for Broken Wires of Coal Mine, In order to overcome the flaws of present domestic devices for detecting faulty wires such as low precision, low sensitivity and instability, a new instrument for detecting and processing the signal of flux leakage caused by broken wires of coal minehoist cables is investigated...

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  • List of Equipment Used in Opencast Coal Mining | Mining

    At Kudremukh Iron Ore Project, one of the largest opencast mines in India, the capacities of some of the machines are : shovels m 3, production trucks 108 te, front end loaders 10 m 3, electric drills for 310 mm dia. blast holes, gyratory crushers 4000 te/hr. Equipment # 9. Drag Line:

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  • RemoteSensing Evaluation and Temporal and Spatial Change Detection .

     · Finally, the coalmine ecological index (CMEI) was used to evaluate and detect the temporal and spatial changes of the ecological environment quality of the Ningwu Coalfield from 1987 to 2021. The research shows that ICDI has a strong ability to extract coal dust with an overall accuracy of over 96% and a Kappa coefficient of over

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  • The development of the online detection network system of coal mine ...

     · in this paper, the network system of coal mine safety instrument testing center is designed, and a network online testing system of coal mine safety instrument's input, inspection, output, certifiion and finance is established, which integrates the network server, company lan, upper computer automatic analysis, lower computer realtime .

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  • instrument to measure heat coal mine

    Jul 01, 2016· The Coal Authority estimates that it pumps in excess of 3000 L of mine water every second from abandoned mine workings across the UK, estimating that there is 100 MW of potential heat energy (Coal Authority, 2010); despite this the UK has been slow to adapt to this technology (Bailey et al., 2013). To better characterise the low enthalpy heat ...

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  • Mining Industry

    Mining Industry Standards and Certifiions. The Mines Regulations 2014 replaced all prior health and safety mining related regulations in the UK in April 2015. The updated regulations are based more upon the importance of risk assessments on site, with onus placed upon the mine operator instead of the manager.

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  • CD4 Gas Safety Detecting Instrument

    Introduction Of CD4 Gas Safety Detecting Instrument CD4 Gas Safety Detecting Instrument can simultaneously detect and display the methane (CH4) and carbon monoxide (CO) and oxygen (O2), concentration of hydrogen sulfide (H2S), widely used in petrochemical, coal, metallurgy, chemical industry, city gas, and other places onsite detection.

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  • CKIC

    5EPL300B Automatic Plastometric Indices Determinator (also called Sapozhnikov Plastometer) is used to determine the plastometric indices of bituminous coal (maximum thickness of plastic layer Y, final contraction value of plastic layer X) and describe technical characteristics of coke, which helps to guide coking and coal blending . It is widely applied in coal mining, metallurgy, .

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  • The development of the online detection network system of coal mine ...

    in this paper, the network system of coal mine safety instrument testing center is designed, and a network online testing system of coal mine safety instrument's input, inspection, output, certifiion and finance is established, which integrates the network server, company lan, upper computer automatic analysis, lower computer realtime .

    Get Price