Traditional Culture Encyclopedia - Photography and portraiture - Distribution map of coal mines in Ordos city
Distribution map of coal mines in Ordos city
Large coal production enterprises: Shenhua Group, Shenhua Group Shendong Coal Branch, Shenhua Wan Li Coal Branch, Shenhua Group Zhungeer Energy Company, Yitai Coal Group, Inner Mongolia Yidong Coal Group, Zheng Wan Group and Wulan Coal Industry.
Ordos' natural geographical environment is characterized by undulating terrain, high northwest and low southeast, and complex terrain. The northeast and west are surrounded by the Yellow River, and the south is connected with the Loess Plateau.
There are various types of landforms, including grassy grasslands and open and generous undulating plateaus. There are five types of landforms in Ordos City, in which plains account for 4.33% of the total land area, hills and mountains account for 18.9 1%, undulating plateaus account for 28.8 1%, Mu Us sandy land accounts for 28.78%, and Kubuqi desert accounts for 19.
Extended data:
There are many kinds of coal mining methods, and the coal mining methods adopted by major coal-producing countries in the world are generally divided into two categories: wall and pillar. These two different types of coal mining methods are quite different in coal mining system and mining technology.
For example, under different geological and technical conditions, longwall mining method, pillar mining method or other coal mining methods can be adopted, but longwall mining method and pillar mining method are very different in coal mining system and technology. It can be considered that the coal mining method consists of two parts: coal mining technology and mining roadway layout.
Baidu encyclopedia-Ordos
Baidu encyclopedia-coal mine
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