There are some mines (notably in New Zealand) where the coal is mined hydraulically using high pressure water jets (or "monitors"). From that point gravity is used to carry the water and coal along steel troughs or "flumes" to holding dams where it is either flumed or pumped from the mine.
List of General Mining Equipment ... underground COAL
List of General Mining Equipment Suppliers & Contractors. Commercial website for many types of mining equipment – a general mining equipment website. Sandvik Mining and Construction - Equipment, tools and services for mining and construction. Macquarie Manufacturing Pty. Ltd. Mastermyne Group. Joy Mining Machinery. The Anderson Group of ...
Cat | Underground Mining Equipment | Caterpillar
No two underground operations are the same—what, how and where you mine are unique. So we don’t offer one-size-fits-all solutions. Our underground mining equipment are designed specifically for hard rock or soft rock applications, as well as for longwall, highwall, or room and pillar operations.
Underground Mining Transportation Haulage Systems
Conveyor systems have come into common use in coal mines during the past decade. As this is written, belt conveyors are beginning to make their appearance in metal mines as a part of the underground transportation system, and an increasing number probably will be installed during the next few years. Locomotive Haulage
Coal mining Underground mining
Coal haulage, the transport of mined coal from working faces to the surface, is a major factor in underground-mine efficiency. It can be considered in three stages: face or section haulage, which transfers the coal from the active working faces; intermediate or panel haulage, which transfers the coal onto the primary or main haulage; and the main haulage system, which removes the coal from the mine.
Personnel and Material Transport underground COAL
All diesel powered equipment used in underground coal mines have to be fitted with devices to prevent the possibility of igniting explosive gases and to keep air pollution to a …
Appendix F: Underground Coal Mining Methods and
When the 1969 Coal Mine Health and Safety Act was enacted, U.S. coal production was about 600 million tons with about 60 percent underground mining and 40 percent surface mining. Longwall mining accounted for less than 1 percent of the underground production; room-and-pillar continuous mining accounted for about 50 percent of the underground ...
Coal mining Coal transportation
Coal mining - Coal mining - Coal transportation: There are several methods for moving prepared coal from the mine to the markets. The cost of transport can be substantial and can account for a large fraction of the total cost to the consumer. Rail transportation is by …
Underground Coal and Trona Mining Equipment
Underground Coal and Trona Mining Equipment. We are a full service company providing a complete line of underground mining vehicles in our modern 12,000 square foot facility, which includes personnel carriers, maintenance vehicles, flat beds, and parts haulers Etc. …
New to Mining? Here are the Most Common Types of Mining
Dec 21, 2015 · 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 then they need to be brought to the surface. Underground specialized mining equipment such as trucks, loaders, diggers etc. are used to excavate …
Underground Mining Methods and Equipment
The selection of underground mining methods is primarily based on the geological/spatial setting of the deposit. Candidate methods can therefore be chosen and ranked based on estimated operational/capital costs, production rates, availability of labors and materials/equipments, and …
How Underground Mining Works | HowStuffWorks
How Underground Mining Works. 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 ]. …
Appendix E: Coal Mining and Processing Methods | Coal
outside the mining area for placement and storage. In the Midwest, where the surface topography and coal seams are generally flat, it is common to employ area strip mining in which the fragmented overburden is placed directly by large draglines in the space created where coal has been mined ().In some situations in the eastern United States, a coal seam occurring near the top of mountains is ...
Coal mining | World Coal Association
Coal mining is only a temporary use of land, so it is vital that rehabilitation of land takes place once mining operations have stopped. In best practice a detailed rehabilitation or reclamation plan is designed and approved for each coal mine, covering the period from the start of operations until well after mining …
Personnel Transport | Introduction | underground COAL
Personnel Transport. Where access to a mine is by a drift or inclined shaft and rail is installed, personnel transport typically utilises a vehicle permanently attached to a winding rope with provision for seating passengers. Again this vehicle is typically used as a means of …
Damascus Corporation Underground Mining Vehicles
Damascus Corporation, formerly known as the Damascus Pneumatics Corporation, was founded in Damascus, Virginia in 1980. At that time, the company produced pneumatically operated rock dusting equipment and hydraulic drills for the underground coal mining industry.
Modern Mining Equipment Coal Education
Devices related to the transportation of coal from the mine to processing facilities to rail loading and finally to the consumer: conveyors, underground and overland; barge; ship; railroad; trucks; Also includes devices related to the processing of coal including: coal sampling and testing laboratories; coal preparation equipment
Coal mining Wikipedia
Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines which operate by removing the overburden, power shovels, large trucks in which transport overburden and coal, bucket wheel excavators, and conveyors.
Underground personnel carrier Wikipedia
An underground personnel carrier is any heavy duty vehicle designed specifically for the safe transport of personnel and their supplies into underground work areas. The most common underground applications is for the mining of either precious metal or coal .
MSHA Regulations on Conveyor Systems | Mine Safety and
UNDERGROUND COAL MINES §75.301 Definitions §75.362 On-shift examination §75.1102 Slippage and sequence switches §75.1108 Approved conveyor belts §75.1311 Transporting explosives and detonators. 75.1403-5 Criteria—Belt conveyors §75.1727 Drive belts §75.1728 Power-driven pulleys