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Why do coal mines explode

  • Dust explosion - Wikipedia

    In the coal mining industry, a methane explosion can initiate a coal dust explosion, which can then engulf an entire mine pit. As a precaution, incombustible stone dust may be spread along mine roadways, or stored in trays hanging from the roof, to dilute the coal dust stirred up by

  • Why do miners have a flame on their helmet?

    Apr 12, 2018· Open flames could ignite the inflammable gas especially prevalent in coal mines and mining explosions with hundreds of casualties was a common occurrence in the late 19 th and early 20 th century. Miners often carried open flames into the mines in the form of candles and hanging lamps, and later wore the open flames of carbide lamps and oil

  • DANGERS OF COAL MINING - Coal Mining

    Gas explosions in coal mines happen because of a build up of methane gas. This is why good ventilation in mines in so important. Without good ventilation the mine would explode. Gas levels have to be monitored at all times, and if the mine is not ventilated or to

  • Boiler explosion - Wikipedia

    A boiler explosion is a catastrophic failure of a boiler.There are two types of boiler explosions. One type is a failure of the pressure parts of the steam and water sides. There can be many different causes, such as failure of the safety valve, corrosion of critical parts of the boiler, or low water level. Corrosion along the edges of lap joints was a common cause of early boiler explosions.

  • Why did the price of coking coal explode after closing the

    May 06, 2021· Some coal mines in the Luliang area are slightly affected due to equipment maintenance and coal seam mining. Some coal mines in the central region have not resumed production, and the supply of coking coal continues to be tight. Due to limited domestic production capacity and increased concentration, the industry structure continues to improve.

  • Why do the nether ores keep exploding when im mining it

    Dec 19, 2012· every time i mine coal or iron it blows up can Quote: The ore you mine (shoot with lazor) isn't propably the same as the one exploding because if you shoot all the ores of one spawn rapidly not caring about any possible ignition sounds there won't be any explosions.

  • GC4N1N0 Coal Mine Disasters (Earthcache) in West ia

    Sep 01, 2013· WHY DO COAL MINES EXPLODE? -There are two main types of coal mine explosions: methane explosions and coal dust explosions. -Methane explosions occur in mines when a buildup of methane gas, a byproduct of coal, comes into contact with a heat source, and there is not enough air to dilute the gas to levels below its explosion point.

  • Coal Mines Industrial Revolution - Conditions & Key Facts

    Many coal mines suffered disasters when flames from lamps caused gas called fire-damp to explode. Safety lamps began to be introduced as technology and inventions advanced. These were said to have saved thousands of lives in the process.

  • How Do Fertilizer Bombs Work? Live Science

    May 03, 2010· The energy of the detonation wave causes the ammonium nitrate in the fertilizer to vaporize the solid fertilizer becomes a gas in an instant.

  • Why are diamonds found in coal mines?

    Why do coal mines explode all of a sudden? Why is a ventilator provided in the coal mines? Is Donald Trump going to bring back the coal-mines? What are the remaining coal mines in Wales? Where are coal mines in Bihar and Jharkhand? Will the U.K. reopen its coal mines after the hard Brexit?

  • cause of fatal explosion in coal mine

    Why Do Coal Mines Explode? - LiveScience. Apr 6, 2010 Coal mine explosions can be blamed on Methane and coal dust. The cause of the massive explosion that killed at least 25 miners in But officials think methane gas likely contributed to the fatal blast at Massey Energy Co. Read more

  • Methane Explosions In Coal Mines

    Why Do Coal Mines Explode?LiveScience CachedThe cause of the massive explosion that killed at least 25 miners in West ia yesterday remains unknown. Read more What Caused the Deadly Coal Mine Explosion in West

  • Why does fertilizer explode? HowStuffWorks

    Apr 19, 2013· How do fertilizers-- which we often think of as just natural elements good for the earth -- explode so violently?. Let's begin with a little background on fertilizer itself. Plants need a few basic nutrients to grow, and most of them are found in the air and water: things like

  • 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

  • What does a Coal Miner do? (with pictures)

    Feb 10, 2021· Large tunnels in a coal mine. In surface mining operations, a coal miner can operate the heavy equipment which is used to strip away the topsoil from a seam of coal, drill holes in the coal for the placement of explosives, or work as a blaster, setting explosive charges to break up coal seams so that they can be removed.

  • Why are most industries concentrated around coal mines?

    Most Industries are concentrated around coal mines or the following reasons- 1. We know that the major industries are iron and steel industry. 2.The iron and steel industry requires heat to melt the steel to form different shapes. 3.Therefore more heat can be generated by the energy stored in the coals. 4.This energy can be easily available as coal mines are nearly located.

  • Coal's Spontaneous Combustion Problem - Sightline Institute

    Apr 11, 2012· A study of spontaneous combustion in coal fields in South Africa found that the coal fires emitted a range of gases, including toxic substances, carcinogens, and heavy metals. (This study focused on coal mining sites, which can have rather different characteristics than stockpiles.)

  • why is coal mine is warm inside - BINQ Mining

    Nov 16, 2012· Why Do Coal Mines Explode? LiveScience Science News Since hot air cannot expand easily underground, pressure builds in the mine. In addition, at least 52 coal mine fires have killed at least five people each. »More detailed

  • Why Do Coal Mines Explode? Live Science

    Apr 06, 2010· Methane explosions occur in mines when a buildup of methane gas, a byproduct of coal, comes into contact with a heat source, and there is not enough air to dilute the gas to levels below its

  • Why do coal mines explode all of a sudden? - Quora

    Sep 11, 2016· There are three volatile components or constituents in a coal mine: 1. Coal - it burns slowly- it occurs in massive amounts in coal mines but access to oxygen is harder 2. Coal dust - it burns fast if exposed to heat of flame or pressure, like an

  • dangerous of coal mining

    Why Do Coal Mines Explode? - LiveScience. Apr 6, 2010 Coal mine explosions can be blamed on Methane and coal dust. said Yi Luo, an associate professor of mining engineering at West ia

  • DANGERS OF COAL MINING - Coal Mining

    Gas explosions in coal mines happen because of a build up of methane gas. This is why good ventilation in mines in so important. Without good ventilation the mine would explode. Gas levels have to be monitored at all times, and if the mine is not ventilated or to over ventilated all miners must be evacuated.

  • Harmless Flour is an Incredibly Explosive Substance

    Mar 13, 2014· This is true for industrial stuff like powdered coal, sawdust, and magnesium. Besides that, mundane substances can explode too like grain, flour, sugar, powdered milk and pollen. All it takes to cause a disaster is a suspended combustible powder and a little electric arc formed from electrostatic discharge, friction or even hot surfaces

  • Chemistry - Chemistry bibliographies - Cite This For Me

    Jul 06, 2016· Create your citations, reference lists and bibliographies automatically using the APA, MLA, Chicago, or Harvard referencing styles. It's fast and free!

  • Coal and the environment - U.S. Energy Information

    Dec 01, 2020· Methane gas that occurs in coal deposits can explode if it concentrates in underground mines. This coalbed methane must be vented out of mines to make mines safer places to work. In 2018, methane emissions from coal mining and abandoned coal mines accounted for about 11% of total U.S. methane emissions and about 1% of total U.S. greenhouse gas

  • (PDF) Evolution of underground coal mine explosion law in

    Coal dust is a powdery form of coal that is created during the mining process. When the coal is in a lump form, the combusting rate of the coal is not fast enough to be explosive.

  • Which factor explains why coal dust is explosive? - Quora

    Coal dust is NOT explosive. Rather, a mixture of coal dust and air CAN be highly flammable (explosive), IF it falls within a certain range of concentrations. That is, if the concentration of coal dust in the air falls between the Lower Explosive

  • explosions in coal mills

    Why Do Coal Mines Explode? - LiveScience. 6 Apr 2010 Coal mine explosions can be blamed on Methane and coal dust. Read more. The Explosive Truth About Modern Flour Mills WIRED. 4 Mar 2008 Ever since the Washburn flour mill explosion near Minneapolis in 1878 Flour dust that is suspended in air is more explosive than coal dust,"

  • main dangers of coal mining « BINQ Mining

    Apr 24, 2013· study unearths higher health risks in coal mining communities . 2 Apr 2008 study unearths higher health risks in coal mining communities People who live in counties where lots of coal is mined are much more likely . 2013-05- 07 08:56:52; Main entrance closed at airport short-term garage »More detailed

  • In Appalachia, Even Miners Want to Leave Coal Behind (Video)

    Feb 17, 2014· [Why Do Coal Mines Explode?] Nick quit the coal mines in 2010 and moved his family out of their ancestral valley not long after. Since then, he has campaigned to promote policies that will increase economic diversity in Appalachia and reduce the region's pollution and current reliance on coal mining.

  • What caused the explosion on the Deepwater Horizon

    May 14, 2010· The same trail of tears led to Katrina, to the Massey Big Branch (coal) mine disaster, and its showing up here again. For me, the tragedy of Katrina was floating bodies and the homes and

  • Why did they put canaries in coal mines? - io9

    Jan 23, 2014· The canary in the coal mine is always the first to go, whether in reality or in metaphor. It's a signal that something terrible is happening, whether it's financial disaster, medical breakdown, or

  • The Most Common Accidents in the Mining Industry

    Jan 14, 2019· The yearly average in coal mining decreased to 30 fatalities from 2001-2005, though 60 to 70 miners still die each year in the U.S. coal and non-coal mining industry. The most common accidents occurring in the mining industry are the result of poisonous or explosive gases or mishaps relating to the use of explosives for blasting operations.

  • Why is flour dust explosive? - Answers

    Oct 16, 2012· Why is flour dust explosive? Asked by Wiki User. See Answer. Top Answer. Wiki User Answered 2012-10-16 14:53:01. its a starch and burns easily. 0 0 1

  • What does a Coal Miner do? (with pictures)

    Feb 10, 2021· Large tunnels in a coal mine. In surface mining operations, a coal miner can operate the heavy equipment which is used to strip away the topsoil from a seam of coal, drill holes in the coal for the placement of explosives, or work as a blaster, setting explosive charges to break up coal seams so that they can be removed.

  • Naomi Mine explosion - Wikipedia

    Naomi Mine: A Tribute to the Coal Miners that mined the Bituminous Coal seams of the Naomi Mine, Fayette County, Pennsylvania, U.S.A. Darr Mine Disaster from the Fayette County Cultural Trust; Why Do Coal Mines Explode? Coordinates:

  • CDC - Mining Feature - Coal Mine Explosion Prevention - NIOSH

    Dec 09, 2011· There are two main types of coalmine explosions: methane and coal dust. Methane explosions occur when a buildup of methane gas contacts a heat source and there is not enough air to dilute the gas level below its explosion point. Likewise, fine

  • cause of fatal explosion in coal mine

    Why Do Coal Mines Explode? The cause of the massive explosion that killed at least more catastrophic coal dust explosion. Coal mines in the United States The world's worst coal mining disasters - Mining Technology have reduced coal mining fatal explosion of the underground coal mine was to cause a coal dust explosion

  • Mine Gases Questions and Answers

    Name the common gases found in coal mines following a mine fire or explosion? A: Carbon monoxide, Carbon Dioxide, Methane, Oxygen, Nitrogen, Hydrogen, and other hydrocarbons. Q: Name the non-explosive gases found in coal mines. A: Carbon Dioxide (CO 2) and Nitrogen (N 2) Q: Name the explosive gases found in bituminous coal mines in Pennsylvania. A:

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