What is the use of power coal
Use of power coalFrom a global perspective, the output of power coal accounts for more than 80% of total coal production. The world's 10 largest coal company mainly produces coal, the proportion of the company's total output accounted for about 10 coal 82%; U.S. coal production accounts for more than 90% of its total production; China coal production has accounted for about 80% of the total output of coal.In foreign countries, most of the power coal used to generate electricity, industrial boilers also have some dosage. About 55% of the world's coal is used to generate electricity, and the incremental demand for coal is basically in the electricity sector. The consumption structure of power coal in the Chinese, there are more than 65% for thermal power generation; second is the building materials of coal, coal consumption accounted for about 20% of the cement yongmeiliang maximum power consumption; the rest of the coal distribution in metallurgy, chemical industry and civilian.
With the coal category, mainly lignite, long flame coal, non caking coal, lean coal and a small amount of anthracite. From the commodity coal, the main washing mixed coal, washed coal, coal, coal, etc.. The poor quality coal mainly refers to the low ash value (less than 40%) which is unfavorable to the operation of the boiler (less than 15). Bituminous coal of 73 MJ / kg, anthracite with low volatile content (less than 10%), lignite with high moisture content and high sulfur content (more than 2%), etc..
The use of power coal as a raw material for power is generally defined as the use of coal for thermal power generation
