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在煤矿生产过程中产生的粉尘有两种,即岩尘和煤尘。岩尘和煤尘都是有害物质,对人的机体都有不良影响,都能引起尘肺,造成矿工的职业病。煤尘(主要是烟煤煤尘)还具有爆炸性质。煤尘爆炸不仅能破坏矿井,给国家造成严重损失,而且还能造成人员的大量伤亡。 一、尘肺是矿工的职业病 (一)煤矿的尘肺类型 煤矿的尘肺是指煤矿工人长期吸入作业环境空气中悬浮粉尘而引起的肺部纤维性病变的总称。尘肺有以下三种类型:
There are two kinds of dust generated in the coal production process, namely, rock dust and coal dust. Both rock dust and coal dust are harmful substances that have an adverse effect on the human body and can cause pneumoconiosis and cause occupational disease in the miners. Coal dust (mainly bituminous coal dust) also has an explosive nature. Coal dust explosion can not only destroy the mine, causing serious losses to the country, but also cause a large number of casualties. First, the pneumoconiosis is a miners occupational disease (a) the type of pneumoconiosis mine Coal mine pneumoconiosis refers to the long-term inhalation of coal miners working in the air suspension of dust caused by pulmonary fibrosis in general. Pneumoconiosis has the following three types: