Stone Crushers, Rock Crushers, Screening and Crushing Machines

MGB series Hopper Discharge Feeder

Vibrating feeder is also called vibrating feeder. In the production process,...

MZA/K Series Circular Vibrating Screen

MZA / K series vibrating screen is a new round vibrating screen product base...

MF Series Fixed Shaft Circular Vibrating Screen

MF Series vibrating screen is a new round vibrating screen product based on ...

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is developed from European ...

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as coarse crusher. It is made of advanc...

ML Series Vertical Shaft Impact Crusher

Ml series impact sand making machine is a brand new structure of ML impact s...

MS Series Triaxial Horizontal Screen

MS series three-axis elliptical vibrating screen is an international level v...

MGD Series Vibrating Feeder

Vibrating feeder is also called vibrating feeder. In the production process,...

Mining equipment seam

  • OEM Underground Mining Parts, Equipment, Engineering

    OEM* PARTS EQUIPMENT ENGINEERING MANUFACTURING OUR COMPANY CONTACT . EQUIPMENT. Jeffrey Thin Seam Mining Equipment (1) Jeffrey 102 HHP continuous miner (5) Jeffrey 506 C5 Mobile Bridge Carriers with VMS new style tram system (15) Jeffrey 94L Piggyback Conveyors < > OEM* PARTS. EQUIPMENT.

  • Mining Equipment, Breaking, Drilling & Crushing Products

    The machine is suitable for low-to-high seam applications and its design incorporates features supporting high productivity and reliability at low operating costs. A world leader in mining equipment and rock excavation. Our constantly evolving offering for mining and rock excavation covers rock drilling, rock cutting, crushing and screening

  • Analysis of Highwall Mining Stability - The Effect of

    closely-spaced multiple seam mining. Auger and highwall mining are safe and productive surface coal mining methods provided that proper geotechnical engineering is conducted. Failure to properly engineer web and barrier pillars can result in highwall failure, trapped highwall mining equipment,

  • (PDF) Underground mining Methods - ResearchGate

    seam, after which the coal is gathered and loaded ont o shuttle cars or conv eyors for . It set of longwall mining equipment consists of a coal shear er mounted on convey or operating .

  • New developments in steep seam mining (Journal Article

    Use of high productivity equipment designed for level seams gives encouraging results in the semi-steep seams of the Lorraine Basin. In the Lorraine coal basin, this type of coal seam has been mined by ascending horizontal slices with back filling, using two basic methods: (1) multiple front faces in a stepped pattern using drilling, blasting, and timber support.

  • The New ® GH800B Longwall Plow System: Unlocking

    has developed the ® GH800B Longwall Plow System, designed for mining very low coal seams at high rates. Building on the attributes of the prov

  • Mining Surplus New and Used Mining Equipment

    New & Used Mining Equipment MiningSurplus features new and used mining equipment for sale from mining operations across Canada, the United States, South America, and Australia. MiningSurplus profiles surface, mill plant process and underground mining equipment from copper, lead, zinc, gold and coal mining operations.

  • Major Mines & Projects - Mining Intelligence and News

    Longwall mining will be undertaken in the German Creek seam. This is the same seam being currently mined at Grasstree Mine. The longwall panels will be approximately 340 m wide and will range from approximately 2.4 km to 3.3 km long. The extraction height will vary from 2.4 m to 2.6 m.

  • Industrial Minerals - Underground Mining Mining

    Joy UFB-38. Designed for seam heights greater than 1,900 mm (75 in.) Throughput up to 600 tonnes (660 tons) per hour

  • Coal mining - Wikipedia

    Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is called a 'pit

  • Opsicol Mining Services

    Today 50 % of our operation is opencast mining and the rest is material handling. At Singani and Ukufisa Colliery we are mining 2 seam coal with 2 kit of mining equipment. Khanye colliery is our biggest opencast mining operation with 6 kit mining equipment 450k cubes monthly production target which 150k tons of coal.

  • (PDF) COAL MINING METHODS - ResearchGate

    Auger mining uses large-diameter drills mounted on m obile equipment to bore into a coal seam. Holes are horizontally drilled at regular intervals to depths of as much as 1,000 feet. As the cutting

  • Mining Equipment, Shuttle Cars, Continuous Miners

    We Design / Build, Rebuild and Service Custom Mining Equipment, Globally. The Baughan Group is pleased to announce the purchase of Phillips Machine assets. The Baughan Group's mining companies; Gauley-Robertson, CAI Industries and RiJa, Inc., with this acquisition have

  • Types of Surface Mining Equipment 360training

    The cutterhead digs out the entire length of the seam, transporting the newly found coal from the seam to the surface using conveyor belts. Because highwall miners are used above ground, they tend to be a safer alternative to underground mining. Additionally, unlike other mining methods, highwall miners only require a skeleton crew, saving the

  • Mining Machinery - an overview ScienceDirect Topics

    Coal seam thickness: The coal seam thickness of high-intensity mining is greater than 3.5 m, and the maximum is 8.0 m when large mining height fully-mechanized coal mining is used. At present, the super-high shield (mining height is 8.8 m) had been developed successfully by Zhengzhou Coal Mining Machinery Group Co., Ltd.

  • Fully mechanized coal mining technology for thin coal

    development of low-profile mining equipment, fully mechanized mining of thin coal seams under the complex geological conditions was achieved. The development equipment has great potential to be widely applied in coal mines with similar conditions. Keywords: Thin coal seam, Fully mechanized coal mining, Coal shearer,

  • 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 strata.Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities for such essential activities

  • Underground Mining Equipment

    ® Plow Systems for Low Seam Coal. Plowing is the preferred longwall mining technique for seams below 1.8 m (71 in), and under specific geological conditions, even below 2.3 m (90 in). Today, is the market leader in the field of fully

  • New development of longwall mining equipment based on

    Feb 08, 2013· The paper introduced complete sets of automatic equipment and technology used in thin seam coal face, and proposed the comprehensive mechanization and automation of safe and high efficiency mining models based on the thin seam drum shearer. The key technology of short length and high power thin seam drum shearer, and new type roof support with big extension ratio and plate

  • Ultra-thick Seam Longwall Mining in China Coal Age

    Oct 24, 2013· Through partnership among coal producers, equipment manufacturers, and research institutions, China developed the ultra-thick seam longwall mining system by stages: prior to 2005, development and application concentrated on 4.3- to 5.5-m (14.1-18 ft) thick seams; in 2007, the system applied to 6.3-m (20.7-ft) thick seams was introduced; and in

  • New to Mining? Here are the Most Common Types of Mining

    Dec 21, 2015· Mining Drills Probably one of the most common pieces of mining equipment, drills are an important part of the underground mining operation. Underground mining is carried out when rocks or minerals are located at a fair distance beneath the ground. But

  • OEM Underground Mining Parts, Equipment, Engineering

    With an experienced and fully trained staff, the industry know-how and extensive shop facilities and latest machinery, VMS is involved in almost every phase of deep mining equipment repair and replacement parts. Valley Mine Service, Inc. specializes in continuous haulage systems and low seam mining

  • 5-Leg 150 Ton Thin Seam Chock Dowty Mining Equipment

    Dowty Mining Equipment 5-Leg 150 Ton Thin Seam Chock. Author Dowty Heritage. Time period 1972. Page added 24/07/2019. No Comments. Start the ball rolling by posting a comment on this page! Add a comment about this page. Your email address will not be published. Required fields are marked *

  • Glossary of Mining Terms - Coal Education

    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 behind the face.

  • Gold Mining Equipment - 911 Metallurgist

    911MPE has small gold mining equipment for sale and more specifically mineral processing equipment.Our equipment is best used in small scale extractive metallurgy operations operated by small miners or hobbyist prospectors and mining fanatics. 911MPE offers gold mining equipment as well as processing equipment applicable to most any base metals: copper, lead, zinc, nickel, tin,

  • Plant & Equipment Addcar

    The ADDCAR system allows you to select the Miner (from the major OEM's) that best matches your seam conditions. Conveyor Cars The signature of ADDCAR Highwall Mining is the unique Cascading Conveyor system that uses high speed open conveyors that overlap to feed coal from the miner to the stacker conveyor without increasing fines.


    world, our equipment and systems are meeting the demands of underground mining under the most stringent conditions. We deliver our customers system of choice, from low to high seam heights, for the longest longwalls and highest production demands. Adapted to the mining challenges faced by our customers today, ® systems

  • ultra thin coal seam, fully mechanized mining technology

    Therefore, based on the research of ultra thin coal seam mining roof limited deformation and control theory, the movement rule of overlying strata, reasonable working resistance of hydraulic support, Sichuan Dazhu Coal Electricity (Group) Co., Ltd. developed the full mechanized coal mining equipment applicable for ultra thin coal seam.

  • Mining Equipment - Overview ALPHA

    Our mining equipment ranges from surface mining (open-pit mining) to underground mining. Underground loaders (Load-Haul-Dump machines): 1.2~20 tons capacity, electrical or diesel, remote controls optional. Low Coal Seam Mining technology: steep/low coal seam comprehensive mechanized mining range 0.3~2.5m, seam angle 30~90

  • Longwall Mining Equipment

    the strata surrounding the coal seam; but also facilitates automation of roof support systems, even in very difficult geological conditions. Seamless Range A full range of roof supports are available for mining heights from 550 to 7 500 mm (1.80 to 24.60 ft), with support capacities in excess of

  • Kentucky Coal Heritage - Mining Equipment from 1940's

    Joy Mining Equipment: Joy Shuttle Cars: Joy 42" Shuttle Car The 42" Joy Shuttle Car facilitates rapid and economical handling of coal from loader to main haulage system in average height coal. It has a conveyor bottom and may be furnished with side boards, where height permits. 5

  • showcases underground equipment - MINING.COM

    Aug 16, 2013· The machine offers two electric cutter head modulesa low-seam cutter for seams 28 to 64 inches and a mid-seam cutter to mine seam heights from 54 to 120 inches.

  • Longwall Mining

    Whatever your geological conditions, seam height or production goals, theres a longwall solution for you. Adapted to the mining challenges faced by our customers today, customized systems for longwall mining include hydraulic roof supports, high-horsepower shearers, automated plow systems and armored face conveyors with intelligent drive technology controlled and supported by

  • Glossary of Mining Terms - rocks and minerals. com

    Overburden - Layers of soil and rock covering a coal seam. In surface mining operations, overburden is removed prior to mining using large equipment. When mining has been completed, it is either used to backfill the mined areas or is hauled to an external dumping and/or storage site.

  • Developments of mechanized technologies for low seam

    in low seam coal mining for approximately 30 years. DBT is a manufacturer of mining equipment with headquarters in Lünen, Germany. The company has experience in all facets of longwall, room-and-pillar and underground transport equipment following the acquisition of Long-Airdox, USA. Access to hard rock cutting technology was acquired

  • Economic Surface Mining of Multiple Seams

    equipment was being operated around the clock giving a daily production of 9 000 to 10 000 tons. VARIABLES AFFECTING THE DECISION-MAKING PROCESS IN MULTIPLE·SEAM MINING The economic decision-making process in multiple-seam mining (or any other mining) is usually complicated and involves many variables.

  • Major Mines & Projects - Mining Intelligence and News

    Ulan Underground will utilise standard longwall mining methods and target the economic portion of the Ulan Coal Seam. The longwall face is installed at the end of the panel furthest from the main headings and mining progresses toward the main headings to complete the longwall extraction. Panel extraction timing is outlined in MOP Plan 3A.

  • Recent Patents on Thin Coal Seam Mining Equipment

    <P>Background: China&#039;s thin and extremely thin coal seam resources are widely distributed and rich in reserves. These coal seams account for

  • SURFACE MINING Mining Engineering Site

    Jul 20, 2016· Auger mining is a mining method that recovers coal or other minerals from under the highwall when the ultimate stripping ratio has been achieved in open cast mining operations or Auger mining refers to a method for recovering coal from thin seams, 0.6 to 2.4m thick, beyond a highwall produced by conventional open cast or strip mining (area

  • New lease of life for underground thin seam mining

    Oct 01, 2001· Purpose-built and modified thin seam mining equipment has been brought into Australia and modified electrically to comply with statutory requirements. These include a Joy 14CM15 continuous miner, three 10SC32 Joy shuttle cars, NARCO rebuilt for thin seam application, and a 12 tonne capacity Stamler feeder breaker.


    Existence of Multiseam viz., Seam I, II, III, IIIA & IV Seam Dip 1 in 4.2 (12.5°), Slope of highwall 47° Highwall length 750 to 1 km UCS of coal seam 36 to 41 Mpa Seam Depth of cover, m Thickness, m Parting, m I 95-154 5.2-6.7 Topmost seam II 112-182 3.1-4.0 21-29 with Seam I IIIA 155-229 0.9-1.8 31-47 with Seam II