Products

Shaft Communiion In Underground Mining

As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals. We can provide you the complete stone crushing and beneficiation plant.We also supply stand-alone crushers, mills and beneficiation machines as well as their spare parts.

PE Series Jaw Crusher

PE Series Jaw Crusher

Based on years' experience and technology development, GM jaw crusher series are of 6 different
models, which can meet most crushing requirements in primary and secondary crushing.

Read More

HPT Cone Crusher

HPT Cone Crusher

GM HPT multiple cylinder hydraulic cone crushers, are the pacemaker in China’s hydraulic cone
crushers for the excellent operating performance and positive customer feedback.

Read More

PF Series Impact Crusher

PF Series Impact Crusher

Thousands of GM PF Series Impact Crushers are installed all over the world in recent 20 years. It has
been proved that this series of crushers effectively increase productivity

Read More

VSI Sand Making Machine

VSI Sand Making Machine

GM VSI Sand Making Machine (Sand Making Machine) is one of the most advanced impact crushers
nowadays. It introduces high quality roller bearings like Sweden SKF and America TIMKEN

Read More

Quarry Crusher

Quarry Crusher

Quarry crusher with high-efficiency and hydraulic pressure was widely used in mining, concrete
factory, sand stone making, etc.

Read More

XZM Series Ultrafine Mill

XZM Series Ultrafine Mill

GM XZM Series Ultrafine Mill is widely used for micron powder producing. The output size can
reach 2500mesh (5um). It is suitable to grind the material with middle and low hardness

Read More

MTM Series Trapezium Mill

MTM Series Medium Speed Trapezium Mill

GM MTM Series Trapezium Mill is the world leading industrial mill. It is designed by our own
engineers and technical workers based on many years' industrial mill research

Read More

LM Vertical Roller Mill

LM Vertical Roller Mill

LM series vertical roller mill, which is developed and launched by GM, sets medium crushing,
drying, grinding, classifying and other functions

Read More

MQ Series Ball Mill

MQ Series Ball Mill

Ball mill is the most widely used kind of grinding equipment. GM Ball mills are widely used
in various types of ores' benefication, electricity, cement and chemical industries.

Read More

Cement Mill

Cement Mill

A cement mill is the equipment that used to grind the hard, nodular clinker from the cement kiln into
the fine grey powder that is cement. Most cement is currently ground in ball mills.

Read More

YKN Series Vibrating Screen

YKN Series Vibrating Screen

YKN series vibrating screen adopts the eccentric vibration exciter of N series. And the transmission
adopts flexible connector.So the amplitude is bigger and the vibration is much more stable

Read More

XSD Series Sand Washing Machine

XSD Series Sand Washing Machine

The GM sand washing machine of XSD series is a kind of cleaning equipment of international
advanced level for sand and slag pellets

Read More

Y Series Mobile Jaw Crushing Plant

Y Series Mobile Jaw Crushing Plant

Y series mobile Jaw Crusher is our company independent research and development of efficient
mobile crusher, such as construction waste processing.

Read More

Contact us

Safely Constructing an Underground Mine Shaft ...

Aug 07, 2020· Only those who have actually entered a mining shaft would understand how unforgiving the conditions are underground. So, how do we dig a mining shaft and what are the safety precautions to observe. Digging mine shafts has moved on from just a shovel-wielding task to a more complex operation. Sinking shafts involves a series of steps, including ...

Get Price

Blog | Underground Mining, Shaft Sinking | DMC Mining Services

The 4th International Conference of Shaft Design and Construction (or SDC 2019) was held in Toronto this past November. We took it as an auspicious sign that the conference, first held in 1959, was the first time taking place outside of the United Kingdom, and essentially in our backyard.

Get Price

Mine surveying: The transition from surface to underground

The project entails establishing an underground mine beneath a large operating open pit. Two vertical shafts approximately 1040 m deep, a decline, two return air passes and extensive underground tunnels and infrastructure for mass-mining. First underground production is planned for 2021.

Get Price

Shaft mining- latest advances in hoist safety and energy ...

Although there are two types of underground coal mines – access via vertical shafts and drift mines (incline shafts), depending on the depth of the coal seam and the surrounding terrain – this article will concentrate on mine hoist applications that are used in mines that have vertical access to the coal seam: i.e., the mine hoists that ...

Get Price

Shaft Sinking Methods: Caisson Method and Cementation ...

The drilling of mine shafts by suitable machines is the most progressive method of shaft sinking adopted in Russia and other advanced countries of the west. The process is completely mechanised and all the sinking work can be carried out by sequence controlled automatic machines so that there is no need to keep any men at the shaft bottom.

Get Price

How Underground Mining Works | HowStuffWorks

Underground mines are the alternative to surface mines. Surface mines excavate from the top down, a method that can become inefficient at depths greater than about 200 feet (60 meters) [sources: Illinois Coal Association, De Beers].Undergrounds coal mines can drive 2,500 feet (750 meters) into the Earth and other types even deeper -- uranium mines can reach 6,500 feet, or 2 kilometers.

Get Price

Impact of Underground Mining on Shaft Lining and Aquifer ...

ern China; the impact of underground mining on the shaft lining and aquifer layer is analyzed by using numerical method. The impact factors such as different depths, thicknesses, mining widths of coal seam and different distances to the shaft are used in the analysis. The mining area under the aquifer which near the shaft lining has a ...

Get Price

Safely Constructing an Underground Mine Shaft ...

Aug 07, 2020· Only those who have actually entered a mining shaft would understand how unforgiving the conditions are underground. So, how do we dig a mining shaft and what are the safety precautions to observe. Digging mine shafts has moved on from just a shovel-wielding task to a more complex operation. Sinking shafts involves a series of steps, including ...

Get Price

Shaft 4 at Oyu Tolgoi progresses - Mining Magazine

Oct 22, 2019· GCR Mongolia's contract for sinking shafts 3 and 4 includes the construction of two shafts that will provide additional air ventilation into the existing tunnels of the operating mine. The increase in air will allow for an expansion of the underground mining operation for future production.

Get Price

What is Underground Mining? (with pictures)

Jul 07, 2020· The first step in underground mining is development mining, in which shafts are dug into the site to make the ore accessible. During this phase, along with shafts, things like electricity are installed, along with lifts and shoring to support the walls of the mine so that it will not collapse. Once the mine is developed, active production mining can begin, with the ore being extracted by hand ...

Get Price

Underground Mapping and Shaft Scanning | Wingfield Scale

Wingfield Scale & Measure specializes in underground mapping and shaft scanning for clients in the mining industry. Wingfield uses LiDAR underground mapping scans to create virtual maps of mines and shafts. The virtual maps can be logged into a database and evaluated over time for consistency and historical analysis.

Get Price

The Mines Regulations, 2018

Shaft Safety and Shaft Inspections 9-1 Notice of shaft design changes 9-2 Lining of compartments 9-3 Manways 9-4 Rescue from hoist – shaft without manway 9-5 Access to shafts 9-6 Guarding of shaft openings 9-7 Shaft obstructions 9-8 Devices for landing conveyance 9-9 Barrier to water in shaft bottom 9-10 Isolating the shaft station

Get Price

The Facility | Sanford Underground Research Facility

The Yates Shaft—primary access The Yates Shaft is the 5,000-foot life line that provides everything science needs to operate, including supplies, equipment and access to science experiments and underground infrastructure.

Get Price

Shaft sinking 1 - LinkedIn SlideShare

May 26, 2016· PURPOSE OF SHAFT SINKING shaft sinking is used for many purposes. To transport men and materials to and from underground Workings. For hoisting ore and waste from underground. To serve as intake and return airways for the mine (ventilation shaft). To access an ore body These shafts are used in applications such as hydro electric projects, water ...

Get Price

IM T hat s ink g - REDPATH MINING

Aveng, through its Aveng Shafts & Underground subsidiary, started sinking Shaft 1 in July 2016 and, on April 23, 2018, reached a depth of more than 750 m below surface, allowing construction of the first mine development access station. In the 12 months to June, development metres at Shaft 1 averaged

Get Price

Key components for shaft hoisting. TurboHoist portfolio

In underground mining, rail-guided mine car systems are a safe and space-efficient transportation method. Mine cars transport products as well as materials in the shaft. Voith TurboHoist Decking Devices permit a secured and effective operation using automated processes. Rail-guided mine car systems handle the mine cars in the shaft

Get Price

Key Utility Shaft Construction Contract Awarded at WIPP

Aug 21, 2019· When completed, the final shaft will measure 26 feet in diameter and extend to 2,275 feet below the surface. The contract also calls for mining two access drifts, or tunnels, which will connect the shaft with the existing WIPP underground. The planned completion of the shaft is 2022.

Get Price

Shaft Sinking Methods: Caisson Method and Cementation ...

The drilling of mine shafts by suitable machines is the most progressive method of shaft sinking adopted in Russia and other advanced countries of the west. The process is completely mechanised and all the sinking work can be carried out by sequence controlled automatic machines so that there is no need to keep any men at the shaft bottom.

Get Price

How Underground Mining Works | HowStuffWorks

Underground mines are the alternative to surface mines. Surface mines excavate from the top down, a method that can become inefficient at depths greater than about 200 feet (60 meters) [sources: Illinois Coal Association, De Beers].Undergrounds coal mines can drive 2,500 feet (750 meters) into the Earth and other types even deeper -- uranium mines can reach 6,500 feet, or 2 kilometers.

Get Price

Mine Shaft Sinking Methods

Conventional mine shaft sinking methods involve the performance of a cycle of different operations—drilling and blasting, removal of smoke and cleaning of fly-rock lodged on overhead timbers, mucking and hoisting of the broken rock, and timbering. The latter (a) may be the last operation of the cycle, (b) may be carried on during drilling and mucking, provided it is done from a substantial ...

Get Price

(PDF) Underground mining Methods - ResearchGate

Underground mining: room-and-pillar mining of thick seams –"Benching" Different approaches allow either the top or bottom part of the seam to be mined out first.

Get Price

Impact of Underground Mining on Shaft Lining and Aquifer ...

ern China; the impact of underground mining on the shaft lining and aquifer layer is analyzed by using numerical method. The impact factors such as different depths, thicknesses, mining widths of coal seam and different distances to the shaft are used in the analysis. The mining area under the aquifer which near the shaft lining has a ...

Get Price

Shaft mining - Wikipedia

Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.. Shallow shafts, typically sunk for civil engineering projects differ greatly in execution method from deep shafts, typically sunk for mining projects.When the top of the excavation is the ground surface, it is referred to as a shaft; when the top ...

Get Price

Rio Tinto completes Shaft 2 works at Oyu Tolgoi mine in ...

Metals and Mining firm Rio Tinto has completed the Shaft 2 to accelerate the underground development works at the Oyu Tolgoi mine in Mongolia. Shaft 2 is a 10m diameter shaft sunk to nearly 1.3km under the surface, which has now advanced into the final stages of .

Get Price

Cornwall mines brought to life in fascinating 3D computer ...

Jun 20, 2018· A mining engineer has completed a mammoth 25-year project to chart all the mine shafts and workings in Cornwall. Using computer modelling, Keith Russ, who works for .

Get Price

Is there an actual gold mine under Charlotte? CuriousNC ...

Nov 11, 2018· Underground in Charlotte, North Carolina, there are abandoned tunnels and old gold mining shafts left over from a gold rush in the 1830s. Little is preserved of this part of the city's history.

Get Price

Mine Shaft Sinking Equipment

The technical literature is replete with descriptions of and data on shaft sinking equipment, methods and costs. The subject of shaft sinking has been discussed at some length in an earlier Bureau of Mines bulletin. A number of shaft-sinking operations are described in detail in the series of information circulars on mining methods and costs, to some of which reference will be made later ...

Get Price

Underground mining equipment | Komatsu Mining Corp.

Komatsu Mining Corp. is the world's leading producer of high productivity underground mining equipment for the extraction of coal, potash, salt, platinum and other bedded materials. We have manufacturing, sales and service facilities around the world to support our customers.

Get Price

What is Underground Mining? (with pictures)

Jul 07, 2020· The first step in underground mining is development mining, in which shafts are dug into the site to make the ore accessible. During this phase, along with shafts, things like electricity are installed, along with lifts and shoring to support the walls of the mine so that it will not collapse. Once the mine is developed, active production mining can begin, with the ore being extracted by hand ...

Get Price

UNDERGROUND MINING

UNDERGROUND MINING. As a recognized leader in custom engineered underground ropes, WRI has decades of experience in supplying some . of the world's deepest mines with the harshest operating conditions. Our product range is unmatched in the industry, as is .

Get Price