longwall top caving coal mining technology in india

  • The Principle of Longwall Top Coal Caving (LTCC) YouTube

    Apr 30, 2015· Caterpillar has extensive experience in the design of roof supports for specific mining conditions. Cat Longwall Top Coal Caving (LTCC) roof supports allow mining of seams seams thicker than 6

  • Author: Caterpillar Global Mining
  • Longwall technology in india, SCCL

    May 21, 2010· Longwall technology in india, SCCL 1. A PRESENTATION ON RETROSPECTIVE ASSESSMENT OF INDIAN LONGWALL MINING V.N.S.Prasad.M, UM(SCCL) U.Siva Sankar, UM(SCCL) Prof. Mukhopadhyay S K., IIT, KGP Prof. Debasis Deb., IIT, KGP Presented at 3 rd Asian Mining Congress, Kolkata 2.

  • LONGWALL TOP COAL CAVING underground COAL

    A brief description of longwall top coal caving (LTCC) is included at the end of the Longwall section of the Fundamentals of Coal Mining module of this web site. Despite the fact that there are numerous coal seams in Australia which are thick enough for LTCC to be used to increase recoveries, potentially at a reduced cost/tonne, there has been

  • Viewpoint Mining Magazine Longwall Top-Coal Caving
    How It WorksAutonomous OperationLTCC Around The WorldA Productive AlternativeIn traditional longwall mining, the shearer travels along the face of the coal seam, cutting as it goes and dropping coal onto an armored face conveyor (AFC) that carries it to a belt or crusher. When a cut is complete, the whole system moves forward one step at a time until the seam is finished.The LTCC method adds another conveyor behind the roof supports, which are equipped with an extended canopy and a sliding door that protects the second conveyor. When the shearer advances, the coal lef...
  • (PDF) Prefeasibility study—Geotechnical studies for

    Longwall Top Coal Caving (LTCC), a relatively newer technology in India, is an underground mining method developed for thick seam extraction. Various factors and systematic approaches are to be

  • Caving mechanisms of loose top-coal in longwall top-coal

    The top-coal caving longwall mining is one of the major mining methods for extracting thick coal seams in China. The top-coal caving mining was estimated to have produced about 0.6 billion metric tons every year, accounts for 18% of underground coal mining in China .The major features of the top-coal caving mining are that a conventional longwall mining with cutting height 2–3 m is performed

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  • Longwall Top Coal Caving (LTCC) Mining Technology

    Longwall Top Coal Caving (LTCC) is a special designed longwall mining method for very thick seams (thickness is more than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate successfully beyond around 5m mining height.

  • Longwall mining Wikipedia

    Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6–1.0 m (2 ft 0 in–3 ft 3 in) thick). The longwall panel (the block of coal that is being mined) is typically 3–4 km (1.9–2.5 mi) long and 250–400 m (820–1,310 ft) wide.

  • Fully Mechanized Longwall Coal Production YouTube

    Feb 03, 2015· Science & Technology; Show Up next Principles of Longwall Mining Duration: 3:26. Wyoming Machinery Company 106,587 views. 3:26. The Principle of Longwall Top Coal Caving (LTCC

  • Author: Mining Videos
  • Longwall Top Coal Caving Introduction underground COAL

    Longwall Top Coal Caving. Longwall top coal caving (LTCC) is a special type of longwall mining applicable to very thick seams (greater than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate successfully beyond around 5m mining

  • Longwall Mining an overview ScienceDirect Topics

    Thomas M. Barczak, in Advances in Coal Mine Ground Control, 2017. 1.1 Introduction. Longwall mining has had a major impact on both productivity and safety in the US coal mining industry. Many changes have occurred as longwall mining matured from its infancy in the 1970s. Much of it was experienced based, but there were also focused research efforts that addressed all aspects of the longwall

  • Longwall Top Coal Caving (LTCC) technology Yancoal

    Yancoal introduced the Longwall Top Coal Caving (LTCC) mining technology to Australia at its Austar mine in 2006. Developed in China, top coal caving uses a modified long wall mining system. LTCC allows the excavation of thick coal seams of 5 to 12 metres at one pass of the longwall machine, generating high productivity and economic returns for

  • Longwall Mining LinkedIn SlideShare

    Apr 30, 2010· Longwall in India First mechanized powered support longwall caving face was introduced in August 1978 at Moonidih, CIL. First Longwall face introduced in GDK.7 Incline in September 1983 in SCCL. There is no much improvement taken place in India in respect of Longwall technology due to various reasons. 13.

  • Cat Longwall Automation Caterpillar

    White Paper: Efficient Mining of High Longwall Seams Thru Automation of Longwall Top Coal Caving. Longwall mining is an expensive undertaking from the preparation of the site to capital investment in the equipment. That is why longwall owners have high performance expectations, especially in tough economic times when commodity prices are low.

  • MINERAL MINING TECHNOLOGY Prefeasibility Study

    Abstract—Longwall Top Coal Caving (LTCC), a relatively newer technology in India, is an underground mining method developed for thick seam extraction. Various

  • Caterpillar longwall system for Moonidih coal mine in India

    Caterpillar recently completed an agreement to supply a complete Cat ® longwall system to Bharat Coking Coal Ltd (BCCL), a subsidiary of India’s largest coal producer, Coal India Limited. The system will be delivered to the Moonidih mine in early 2019. The longwall production goal of the Moonidih XV Seam project is about 2.5 Mt of coking coal per year.

  • longwall top coal caving mining Mine Equipments

    Roof Supports for Longwall Mining Systems Our Longwall Top Coal Caving (LTCC) roof supports allow mining of seams up to 10 m / 32.8 ft. Following a conventional cut with a

  • What is longwall mining? Quora

    Jun 15, 2018· Longwall method of working consists in laying out long faces (60–200 m long) from which all coal in working section of the coal seam is removed by a series of operations, maintaining a continuous line of advance in one direction and leaving behind...

  • Long-wall mining making a comeback in India

    Given compulsions to increase coal production from underground mines, longwall mining technology was seemingly making a comeback in India. The country’s largest coal miner Coal India Limited and

  • Efficient Mining of High Longwall Seams Thru Automation of

    One of the ways longwall mines achieve or exceed their owners’ expectations is through the use of highly efficient Longwall Top Coal Caving (LTCC) technology production, in combination with the extensive use of automation. LTCC remains a seldom used method for mining high seams efficiently and ecologically with sustainable use of deposits.

  • Longwall Top Coal Caving,Top Coal Caving,Top Coal Caving

    Longwall Top Coal Caving (LTCC) is a special designed longwall mining method for very thick seams (thickness is more than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate successfully beyond around 5m mining height.

  • Longwall method coal mining Britannica

    In coal mining: Origins of longwall mining. The other principal method of modern mining, longwall mining, had been introduced as early as the 17th century and had found general use by the 19th century, but it had long been less productive than room-and-pillar mining.

  • top coal caving technology opticalsolution

    longwall top caving coal mining technology. longwall top caving coal mining technology in india. Longwall Top Coal Caving (LTCC) is a special designed longwall mining method for very thick seams (thickness is more than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate

  • Longwall Top Caving Coal Mining Technology

    Longwall Top Coal Caving The Longwall Top Coal Caving (LTCC) roof support allows mining to a total seam height of more than 10 m (33 ft) by using a longwall shearer to cut the bottom 2.80 3 m (9.20 9.80 ft) and then caving the top coal behind the roof supports onto a rear AFC. This type of longwall is in service

  • Longwall Top Coal Caving,Top Coal Caving,Top Coal Caving

    Longwall Top Coal Caving (LTCC) is a special designed longwall mining method for very thick seams (thickness is more than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate successfully beyond around 5m mining height.

  • Longwall method coal mining Britannica

    In coal mining: Longwall mining. In the longwall mining method, mine development is carried out in such a manner that large blocks of coal, usually 100 to 300 metres wide and 1,000 to 3,000 metres long, are available for complete extraction (see photograph). A block of coal is Read More

  • top coal caving technology opticalsolution

    longwall top caving coal mining technology. longwall top caving coal mining technology in india. Longwall Top Coal Caving (LTCC) is a special designed longwall mining method for very thick seams (thickness is more than 4.5m) where good quality coal is being left because "conventional" longwall equipment has not yet been designed to operate

  • Longwall Top Caving Coal Mining Technology

    Longwall Top Coal Caving The Longwall Top Coal Caving (LTCC) roof support allows mining to a total seam height of more than 10 m (33 ft) by using a longwall shearer to cut the bottom 2.80 3 m (9.20 9.80 ft) and then caving the top coal behind the roof supports onto a rear AFC. This type of longwall is in service

  • MODERN MINING TECHNOLOGY FOR COAL EXTRACTION

    1. Coal loss occuring during the production of the top coal (20 to 30 %) 2. The coal left behind the face poses danger of spontaneous combustion. 3. Poor face alignment may not only cause face roof control problems but also affect the top coal caving process 4. Floor heave behind the rear AFC is likely.

  • Mining Safety of Longwall Top-coal Caving in China

    53 Mining Safety of Longwall Top-coal Caving in China Jian Wu, 1 Yueping Qin, 1 and Minghua Zhai1 1China Univ. of Mining and Technology, 011# Xueyuan Road, Haidian Dist, Beijing 100083, P.R. of China; 2Zhangji Coal Mine, Xuzhou Mining Bureau, Xuzhou 221147, Jiangsu Province, P.R of China ABSTRACT Longwall top-coal caving technology has developed rapidly in China, in recent years.

  • Application of retreating and caving longwall (top coal

    (2006). Application of retreating and caving longwall (top coal caving) method for coal production at GLE Turkey. Mining Technology: Vol. 115, No. 2, pp. 41-48.

  • Latest Developments in Longwall Mining Technology

    2015 MINING.CA T.COM 6 Roof Support Technology Since 2006, Caterpillar has specialized in designing and supplying special shields for the longwall top coal caving method (LTCC), where extremely thick seams are being mined. This method utilizes a second AFC behind the shields to take the coal on top of the longwall outside of the face.

  • Prefeasibility study—Geotechnical studies for introducing

    Jan 23, 2015· Longwall Top Coal Caving (LTCC), a relatively newer technology in India, is an underground mining method developed for thick seam extraction. Various factors and systematic approaches are to be considered and properly evaluated in order to qualify and gain confidence in the assessment of introducing LTCC mining method. The proposed paper presents the various

  • Assessment of goaf characteristics and compaction in

    (2011). Assessment of goaf characteristics and compaction in longwall caving. Mining Technology: Vol. 120, No. 4, pp. 222-232.

  • longwall top caving coal mining technology в Индии

    Nov 15, 2017· Long wall top coal caving 1. LONGWALL TOP COAL CAVING P SHASHIKANTH 16MT001042 2. LONGWALL TOP COAL CAVING GENERAL INFORMATION • It is the modified method of longwall mining system • Yancoal introduced the Longwall Top Coal Caving (LTCC) mining technology in Australia at its Austar mine in 2006.

  • JMS Mining Pvt Ltd About Us..

    JMS Mining Private Limited, hereafter referred as JMS, is the pioneer & market leader in implementation of Mass Production Technology in underground coal mining in India. We have implemented world’s latest technology– continuous miner & bolter miner in this country. It has presence in major Underground coal mining clusters in the country.

  • Longwall Top Coal Caving How is Longwall Top Coal Caving

    Looking for abbreviations of LTCC? It is Longwall Top Coal Caving. Longwall Top Coal Caving listed as LTCC. Longwall Top Coal Caving How is Longwall Top Coal Caving abbreviated? presentations discuss the latest developments related to longwall mining. The mine has a current capacity of up to 2.5m tons per year and intends to install

  • The Principle of Longwall Top Coal Caving (LTCC) YouTube

    Dec 13, 2016 The Principle of Longwall Top Coal Caving (LTCC) YouTube. Dec 13, 2016 The Principle of Longwall Top Coal Caving (LTCC) YouTube. Dec 13, 2016 The Principle of Longwall Top Coal Caving (LTCC) YouTube . Saved from m Longwall mining