煤炭在我国一次能源消费中占有相当大的比重。我国煤炭储量和产量主要集中于北方,尤其是“三西”地区(山西、陕西、内蒙古西部),而煤炭消费重心在东部和中南地区,从而形成了“北煤南运、西煤东调”的格局。 Coal occupies a significant proportion of primary energy consumption in our country. China’s coal reserves and production are mainly concentrated in the north, especially in the “Three Wests” (Shanxi, Shaanxi and Inner Mongolia), while the coal consumption center of gravity is in the east and south-central regions, thus forming the “northern coal south transport and west coal transfer” The pattern