Dangerous Elements in the Coal Mining

Dangerous Elements in the Coal Mining

Hangzhou, China (prHWY.com) May 21, 2012 - What comes to mind when you think of coal mining? If you're like me, coal mining means living in darkness and a cold hearted industry. Other words that come to mind are poverty and oppression. Coal mining is not a job that you dream about or get a degree for. People who are coal miners do not chose a life full of danger and repression, they get stuck with it. There are many dangers that come along with coal mining with the use of sand maker, not only for the workers, but for the environment. Coal mining and the coal industry have caused irreversible damage to our environment and has killed innocent miners.

In her book Coal A Human History, Barbara Freese states 'The mundane mineral that built our global economy and even today powers our electrical plants have also caused death, disease, and environmental destruction' Today, coal provides for more than 55% of the electricity generated in the U.S. Coal miners have had one of the most dangerous jobs in history before government regulation. Many miners had to work underground for 10 + hours a day and 6 days a week. The number of deaths per year is the equivalent of a Titanic going down in the nation's coal fields each year. According to James Cobb from the World Book Online Reference Center mine safety involves four main types of problems including accidents involving machinery such as ball mill, roof and rib failures, accumulations of gases and concentrations of coal dust.

The accidents involving machinery kill and/or hurt more coal miners in a year than any other mining accident. The sand maker machine in mines is located in cramped spaces with little light, causing miners to have two times the chance of accidents. The accidents involving roof and rib failures can usually be averted if a mining company has a roof support plan. For a roof support plan to be made, information like entry widths, mine geometry, the number of pillars that must be left up right, and the number of bolts that must be used are needed (Cobb 3 of 5) Accumulations of gases in underground coal mines is another very serious hazard. If certain gases like methane and carbon monoxide are at or above 5% in the air they can cause violent explosions. Blasting in coal mines are the main cause for such dangerous levels of carbon monoxide. These accumulations of gases can be avoided if the mine is properly ventilated by a powerful fan to circulate fresh air. cone crusher:http://www.hxjq-crusher.com/8.html
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The largest source of the air pollutant Sulfur dioxide is from coal power plants. Sulfur dioxide causes smog, haze and acid rain. The evidence linked coal burning to a proportion of other pollution problems like to cause acid rain, smog, haze, mercury in fish, and deaths. Barbara Freese states' it is estimated that power plant emissions kill over 30,000 people a year, cause tens of thousands of hospitalizations, hundreds of thousands of asthma attacks, and millions of lost work days yearly. This means that coal burning kills as many people per year as traffic accidents. In conclusion, coal mining is a dangerous and environmentally damaging industry that takes the lives of miners, innocent people, and animals and hurts our environment in ways that are irreversible.

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