machinery for underground mining of thin seam coal

  • Fully mechanized coal mining technology for thin coal

      The support model ZY3300/07/13 thin coal seam two column shield type was selected based on the above simulation and analysis 4 COMPARISON WITH SIMILAR ADVANCED TECHNOLOGIES 41 Main technical specifications When the coal seam thickness is between 08 and 10 meter and the longwall face Fully mechanized coal mining technology for thin coal

  • Development of an Underground Automated ThinSeam

      Development of an Underground Automated ThinSeam Coal Mining Method Darren W Holman (ABSTRACT) It is predicted that coal mining in Southwest Virginia, and the economic stability that it brings to the area, will continue to decline over the next decade unless an environmentally sound, and economically viable means can be found to extract seams of

  • Recent Patents on Thin Coal Seam Mining Equipment

      The mining efficiency of thin coal seam and very thin coal seam can be improved and the mining cost can be reduced Results: Thin coal seam shear mining combines mining, conveying, and supporting processes together and has the advantages of a low fuselage, no extra support required for the working face, and feasibility in a small underground space

  • Development of an Underground Automated Thin

    This thesis presents a brief overview of current technologies utilized for underground coal mining in the United States This is followed by a review of developments in highwall mining that are potentially applicable in underground mining of thin seams Some past attempts at thin seam mining are discussed, and evaluated for their short comings

    Author: Darren Wayne Holman
  • New lease of life for underground thin seam mining

      A new venture called Thin Seam Mining Pty Ltd (TSM) could help change the perception of Australian coal miners TSM has been set up by experienced American coal miners to explore opportunities for thin seam mining in Australia, using proven American mining methods, purpose built equipment, and experienced operators

  • Underground ThinSeam Coal Mining in Virginia

    Underground ThinSeam Coal Mining in Virginia ii Virginia Tech does not discriminate against employees, students, or applicants on the basis of race, sex, disability, age, veteran status, national origin, religion, political affiliation or sexual orientation The use of brand names in this report does not constitute an endorsement or

  • Modern experience of lowcoal seams underground

      Coal is the most abundant energy resource and will continue to be the dominant energy source for decades , , To maintain a sustainable development of mining areas, the extraction of thin coal seam, which is usually less than 13 m in thickness, becomes increasingly important ,

    Cited by: 59
  • CHAPTERS: ECONOMICS OF THIN SEAM COAL MINING

      Dorstfontein Coal Mine has some 70S mil tons of bituminous coal in a thin seam resource with heights varying from 12 to 14 m The geological setting of this colliery makes it is a more difficult mine to operate and result in many mining problems Some mining

  • CHAPTER 6: RISKS ASSOCIATED WITH THIN SEAM

      in thin seam coal mining There was no significant variation of the frequency of fatalities between thick and thin seam mining The average rate for accidents was higher for thin seams than for medium to thick seams The frequency rate of disabling injuries was

  • CHAPTER 11 Mining Technology Princeton

      coal reserves from deep underground seams The chapter discusses: three surface mining techniques that are used in the West: 1) area strip, 2) open pit, and 3) terrace pit; two methods of underground mining in the West: 1) room and pillar with continuous miners, and 2) longwall mining; recent underground mining technology

  • Underground Mining Equipment Cat Caterpillar

      Cat® Plow Systems for Low Seam Coal Plowing is the preferred longwall mining technique for seams below 18 m (71 in), and under specific geological conditions, even below 23 m (90 in) Today, Caterpillar is the market leader in the field of fully

  • Recent Patents on Thin Coal Seam Mining Equipment

      The mining efficiency of thin coal seam and very thin coal seam can be improved and the mining cost can be reduced Results: Thin coal seam shear mining combines mining, conveying, and supporting processes together and has the advantages of a low fuselage, no extra support required for the working face, and feasibility in a small underground space

  • Modern experience of lowcoal seams underground

      Coal is the most abundant energy resource and will continue to be the dominant energy source for decades , , To maintain a sustainable development of mining areas, the extraction of thin coal seam, which is usually less than 13 m in thickness, becomes increasingly important ,

  • Figure 32 from Underground ThinSeam Coal Mining

    Corpus ID: Underground ThinSeam Coal Mining in Virginia @inproceedings{Holman1999UndergroundTC, title={Underground ThinSeam Coal Mining in Virginia}, author={Darren Holman and Malcolm Mcpherson and I Loomis}, year={1999} }

  • Coal mining Underground mining Britannica

    Underground mining In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strataAccess to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam

  • CHAPTERS: ECONOMICS OF THIN SEAM COAL MINING

      Dorstfontein Coal Mine has some 70S mil tons of bituminous coal in a thin seam resource with heights varying from 12 to 14 m The geological setting of this colliery makes it is a more difficult mine to operate and result in many mining problems Some mining

  • CHAPTER 6: RISKS ASSOCIATED WITH THIN SEAM

      in thin seam coal mining There was no significant variation of the frequency of fatalities between thick and thin seam mining The average rate for accidents was higher for thin seams than for medium to thick seams The frequency rate of disabling injuries was

  • CHAPTER 11 Mining Technology Princeton

      coal reserves from deep underground seams The chapter discusses: three surface mining techniques that are used in the West: 1) area strip, 2) open pit, and 3) terrace pit; two methods of underground mining in the West: 1) room and pillar with continuous miners, and 2) longwall mining; recent underground mining technology

  • Analysis of Multiple Seam Stability CDC

      MULTIPLE SEAM MINING IN THE US Figure 1 shows the 5 major regions for underground coal mining in the US From the standpoint of multiple seam mining, by far the most significant is the Central Appalachian region of southern WV, eastern KY, and southwestern VA Currently, underground mines in this region produce approximately 123

  • Topic 9: Mining Methods Part V Underground Mining

    Underground Mining We will explore all of the above in Part 9 Choice of mining method Underground Mining Methods Soft rock Mining Methods Blast mining Shortwall mining Coal Skimming (or Sink and

  • Underground Mining Equipment Cat Caterpillar

      Cat® Plow Systems for Low Seam Coal Plowing is the preferred longwall mining technique for seams below 18 m (71 in), and under specific geological conditions, even below 23 m (90 in) Today, Caterpillar is the market leader in the field of fully

  • CHAPTERS: ECONOMICS OF THIN SEAM COAL MINING

      Dorstfontein Coal Mine has some 70S mil tons of bituminous coal in a thin seam resource with heights varying from 12 to 14 m The geological setting of this colliery makes it is a more difficult mine to operate and result in many mining problems Some mining

  • Figure 32 from Underground ThinSeam Coal Mining

    Corpus ID: Underground ThinSeam Coal Mining in Virginia @inproceedings{Holman1999UndergroundTC, title={Underground ThinSeam Coal Mining in Virginia}, author={Darren Holman and Malcolm Mcpherson and I Loomis}, year={1999} }

  • Mining Machinery an overview ScienceDirect Topics

    Coal seam thickness: The coal seam thickness of highintensity mining is greater than 35 m, and the maximum is 80 m when large mining height fullymechanized coal mining is used At present, the superhigh shield (mining height is 88 m) had been developed successfully by Zhengzhou Coal Mining Machinery Group Co, Ltd

  • CHAPTER 6: RISKS ASSOCIATED WITH THIN SEAM

      in thin seam coal mining There was no significant variation of the frequency of fatalities between thick and thin seam mining The average rate for accidents was higher for thin seams than for medium to thick seams The frequency rate of disabling injuries was

  • Underground Mining – Coaltech Research Association

    Underground Mining Supression and Control of Coal Dust in Underground Continuous Miner Sections Project 296 Preventing Cutting Head Methane Emissions On Continuous Miners More Effective Use of Disposable Dust masks Mapping of Old Bords and Pillars Revisited Simulation of Regional Collapses in Bord Pillar Workings

  • Analysis of Multiple Seam Stability CDC

      MULTIPLE SEAM MINING IN THE US Figure 1 shows the 5 major regions for underground coal mining in the US From the standpoint of multiple seam mining, by far the most significant is the Central Appalachian region of southern WV, eastern KY, and southwestern VA Currently, underground mines in this region produce approximately 123

  • Selection of an Appropriate Mechanized Mining

    Mechanized mining technical process (MMTP) related to the control method of the shearer is a vital process in thin coal seam mining operations An appropriate MMTP is closely related to safety, productivity, labour intensity, and efficiency Hence, the evaluation of alternative MMTP is an important part of the mining design Several parameters should be considered in MMTP evaluation, so the

  • Topic 9: Mining Methods Part V Underground Mining

    Underground Mining We will explore all of the above in Part 9 Choice of mining method Underground Mining Methods Soft rock Mining Methods Blast mining Shortwall mining Coal Skimming (or Sink and

  • Availability of Coal Resources for Mining in Illinois

      mining The resources of Dekoven Coal are for the most part restricted from underground mining because of the thin interburden between it and the underlying Davis Coal However, where less than 200 feet deep, the thin interburden results in a favorable stripping ratio for surface mining the Dekoven and Davis together

  • Figure 32 from Underground ThinSeam Coal Mining

    Corpus ID: Underground ThinSeam Coal Mining in Virginia @inproceedings{Holman1999UndergroundTC, title={Underground ThinSeam Coal Mining in Virginia}, author={Darren Holman and Malcolm Mcpherson and I Loomis}, year={1999} }

  • CHAPTER 6: RISKS ASSOCIATED WITH THIN SEAM

      in thin seam coal mining There was no significant variation of the frequency of fatalities between thick and thin seam mining The average rate for accidents was higher for thin seams than for medium to thick seams The frequency rate of disabling injuries was

  • Underground Mining – Coaltech Research Association

    Underground Mining Supression and Control of Coal Dust in Underground Continuous Miner Sections Project 296 Preventing Cutting Head Methane Emissions On Continuous Miners More Effective Use of Disposable Dust masks Mapping of Old Bords and Pillars Revisited Simulation of Regional Collapses in Bord Pillar Workings

  • Methods and costs of thinseam mining Final report,

    @article{osti, title = {Methods and costs of thinseam mining Final report, 25 September 197724 January 1979 [Thin seam in association with a thick seam]}, author = {Finch, T E and Fidler, E L}, abstractNote = {This report defines the state of the art (circa 1978) in removing thin coal seams associated with vastly thicker seams found in the surface coal mines of the western United

  • Underground Coal Mining Technology (MI303)

    Horizon mining Basic coal mining methods Bord and pillar mining: development depillaring with semimechanised and mechanized board and pillar mining Longwall mining Thickseam mining: Classification of thick seam mining methods, inclined slicing with caving; sublevel caving Hydraulic Mining Underground gassification of coal

  • Engineering – Underground Mines HOT mining 浩特矿业

    We have years of underground mine engineering and operating experience and across multiple commodities using all common mining methods Especially, we have many successful design and operation experiences for underground coal mines those are thin coal seam

  • Shortwall Mining Introduction underground COAL

    Shortwall Mining This method of mining was developed in the late 1960's to take advantage of the then recent development of suitable hydraulic longwall supports, coupled with the productivity and low capital cost of continuous miners and shuttle cars In effect it gained some of the advantages of longwall mining without the cost of installing

  • Selection of an Appropriate Mechanized Mining

    Mechanized mining technical process (MMTP) related to the control method of the shearer is a vital process in thin coal seam mining operations An appropriate MMTP is closely related to safety, productivity, labour intensity, and efficiency Hence, the evaluation of alternative MMTP is an important part of the mining design Several parameters should be considered in MMTP evaluation, so the

  • 《煤炭学报:英文版》2013年第01期电子版 金月芽期刊网

      New development of longwall mining equipment based on automation and intelligent technology for thin seam coal Shugang WANG[1] Guona QU[3] Jian LIU[2]) Status quo and prospect of the development for underground coal mine refuge chamber (Mingbo

  • Availability of Coal Resources for Mining in Illinois

      mining The resources of Dekoven Coal are for the most part restricted from underground mining because of the thin interburden between it and the underlying Davis Coal However, where less than 200 feet deep, the thin interburden results in a favorable stripping ratio for surface mining the Dekoven and Davis together