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Husnicioara Coal Mine
Husnicioara Coal Mine is an open-pit mining exploitation, one of the largest in Romania located in Husnicioara, Mehedinți County. The legal entity managing the Husnicioara mine is the National Company of Lignite Oltenia which was set up in 1997. The exploitation has two open pits Husnicioara - Vest, Zegujani that produced 3.1 million tonnes of lignite Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat ... in 2008. The mine has around 700 workers and is endowed with five bucket-wheel excavators, three spreaders, one mixed machine and four deposits spreader. The total proven recoverable reserves of the mine amount to 67 million tonnes of lignite. References {{Resources in Romania Coal mines in Romania ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Husnicioara
Husnicioara is a commune located in Mehedinți County, Oltenia, Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S .... It is composed of eleven villages: Alunișul, Bădițești, Borogea, Celnata, Dumbrăvița, Husnicioara, Marmanu, Oprănești, Peri, Priboiești and Selișteni. References {{Mehedinți County Communes in Mehedinți County Localities in Oltenia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Communes Of Romania
A commune (''comună'' in Romanian language, Romanian) is the lowest level of administrative subdivision in Romania. There are 2,686 communes in Romania. The commune is the rural subdivision of a Counties of Romania, county. Urban areas, such as towns and cities within a county, are given the status of ''Cities in Romania, city'' or ''Municipality in Romania, municipality''. In principle, a commune can contain any size population, but in practice, when a commune becomes relatively urbanised and exceeds approximately 10,000 residents, it is usually granted city status. Although cities are on the same administrative level as communes, their local governments are structured in a way that gives them more power. Some urban or semi-urban areas of fewer than 10,000 inhabitants have also been given city status. Each commune is administered by a mayor (''primar'' in Romanian). A commune is made up of one or more villages which do not themselves have an administrative function. Communes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mehedinți County
Mehedinți County () is a county ( ro, județ) of Romania on the border with Serbia and Bulgaria. It is mostly located in the historical province of Oltenia, with one municipality (Orșova) and three communes ( Dubova, Eșelnița, and Svinița) located in the Banat. The county seat is Drobeta-Turnu Severin. Name The county's name is or in Hungarian. The Romanian form originates from the first one, and a third originates from the Romanian: . The territory was famous for its apiaries, that's why it was named from the Hungarian word meaning bee. Demographics In 2011, it had a population of 254,570 and the population density was 51.6/km2. * Romanians - 96.1% * Roma - 3% * Others (including Serbs, Hungarians, and Germans) - 0.9% Geography This county has a total area of 4,933 km2. In the North-West there are the Mehedinți Mountains with heights up to 1500 m, part of the Western end of the Southern Carpathians. The heights decrease towards the East, passing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Romania
Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, and the Black Sea to the southeast. It has a predominantly Temperate climate, temperate-continental climate, and an area of , with a population of around 19 million. Romania is the List of European countries by area, twelfth-largest country in Europe and the List of European Union member states by population, sixth-most populous member state of the European Union. Its capital and largest city is Bucharest, followed by Iași, Cluj-Napoca, Timișoara, Constanța, Craiova, Brașov, and Galați. The Danube, Europe's second-longest river, rises in Germany's Black Forest and flows in a southeasterly direction for , before emptying into Romania's Danube Delta. The Carpathian Mountains, which cross Roma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Company Of Lignite Oltenia
National Company of Lignite Oltenia ( ro, Societatea Naţională a Lignitului Oltenia - SNLO) Târgu Jiu was set up as a commercial society by the Government of Romania in 1997. The main headquarters of the company is placed in Târgu Jiu, Gorj County. The company has its material base in Gorj, Vâlcea and Mehedinți with total reserves of 2 billion tonnes of coal. The annual production is around 35 million tonnes of lignite and 4 million tonnes of anthracite and the total number of employees is around 9,000. Around 85% of the total production comes from Gorj County, especially in the north of the county where coal is extracted near Motru and Rovinari. The main beneficiaries of the coal extracted here are the great Romanian power complexes Rovinari Power Station with a capacity of 1,320 MW, Turceni Power Station with a capacity of 1,650 MW and Craiova Power Station with a capacity of 615 MW thus making Gorj County the biggest power producer in Romania with around 36% of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coal
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years. Vast deposits of coal originate in former wetlands called coal forests that covered much of the Earth's tropical land areas during the late Carboniferous ( Pennsylvanian) and Permian times. Many significant coal deposits are younger than this and originate from the Mesozoic and Cenozoic eras. Coal is used primarily as a fuel. While coal has been known and used for thousands of years, its usage was limited until the Industrial Revolution. With the invention of the steam engine, coal consumption increased. In 2020, coal supplied about a quarter of the world's primary energy and over a third of its electricity. Some iron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Open-pit Mining
Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface. It is applied to ore or rocks found at the surface because the overburden is relatively thin or the material of interest is structurally unsuitable for tunnelling (as would be the case for cinder, sand, and gravel). In contrast, minerals that have been found underground but are difficult to retrieve due to hard rock, can be reached using a form of underground mining. To create an open-pit mine, the miners must determine the information of the ore that is underground. This is done through drilling of probe holes in the ground, then plotting ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lignite
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat content. When removed from the ground, it contains a very high amount of moisture which partially explains its low carbon content. Lignite is mined all around the world and is used almost exclusively as a fuel for steam-electric power generation. The combustion of lignite produces less heat for the amount of carbon dioxide and sulfur released than other ranks of coal. As a result, environmental advocates have characterized lignite as the most harmful coal to human health. Depending on the source, various toxic heavy metals, including naturally occurring radioactive materials may be present in lignite which are left over in the coal fly ash produced from its combustion, further increasing health risks. Characteristics Lignite is brow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bucket-wheel Excavator
A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. The primary function of BWEs is to act as a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day. What sets BWEs apart from other large-scale mining equipment, such as bucket chain excavators, is their use of a large wheel consisting of a continuous pattern of buckets used to scoop material as the wheel turns. They rank among the largest vehicles (land or sea) ever produced, and the largest of the bucket-wheel excavators (the 14,200 ton Bagger 293 still holds the Guinness World Record for the heaviest land-based vehicle ever constructed). History Bucket-wheel excavators have been used in mining for the past century, with some of the first being manufacture ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spreader (railroad)
A spreader is a type of maintenance equipment designed to spread or shape ballast profiles. The spreader spreads gravel along the railroad ties. The various ploughs, wings and blades of specific spreaders allow them to Snowplow, remove snow, build banks, clean and dig ditches, evenly distribute gravel, as well as trim embankments of brush along the side of the track. Spreaders quickly proved themselves as an extremely economical tool for maintaining trackside drainage ditches and spreading fill dumped beside the track. The operation of the wings was once performed by compressed air, and later hydraulics. Besides the MoW-operation spreaders are also used in open cast mines to clean the tracks from overburden tipped from dump cars. Jordan spreader history The Jordan spreader was the creation of Oswald F. Jordan, a Canadian Roadmaster (rail), road master who worked in the Regional Municipality of Niagara, Niagara, Ontario area on the Canada Southern Railway, later a subsidia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Machine
A machine is a physical system using Power (physics), power to apply Force, forces and control Motion, movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to natural biological macromolecules, such as molecular machines. Machines can be driven by Animal power, animals and Human power, people, by natural forces such as Wind power, wind and Water power, water, and by Chemical energy, chemical, Thermal energy, thermal, or electricity, electrical power, and include a system of mechanism (engineering), mechanisms that shape the actuator input to achieve a specific application of output forces and movement. They can also include computers and sensors that monitor performance and plan movement, often called mechanical systems. Renaissance natural philosophers identified six simple machines which were the elementary devices that put a load into motion, and calculated the ratio of output force to input fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
