中国是世界上头号煤炭消费大国,自然少不了煤炭的运输。煤炭的运输工具主要有船舶、火车、汽车。三种工具运输煤炭时都有一个共同的特点:就是敞开式运输。由此带来的粉尘污染空气遍及四面八方。遇上雨天,黑色的煤水到处流淌,污染了土地、河流。这种状况在我国的煤炭产区和煤炭集散地的港口城市尤为严重, China is the number one coal consumption country in the world, and coal transportation is ultimately unavoidable. The main means of transport of coal ships, trains, cars. All three tools have a common feature when transporting coal: open transport. The resulting dust pollution air all over. In rainy days, black coal water flows around, polluting the land and rivers. This situation is particularly serious in the port cities of China’s coal-producing areas and coal distribution centers,