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我国煤炭事业日益发展,煤田开发的广度和深度逐渐增加,煤和瓦斯突出现象也有所增加,据初步了解,全国已有一百多对矿井,发生了四千多次突出,吉林营城煤矿还发生了一次砂岩和二氧化碳突出,严重威胁着安全生产,引起了广大职工的密切注意,进行了大量的科学研究,积累了丰富的经验。
With the development of China’s coal industry, the breadth and depth of coalfield development gradually increase, and the phenomenon of coal and gas outburst has also been increased. According to preliminary understanding, over one hundred pairs of mines have been set up in the country, with more than 4,000 outstanding occurrences. Jilin Yingcheng Coal Mine A sandstone and carbon dioxide outburst occurred, which seriously threatened the safety in production. It has aroused the close attention of the workers and staff members, conducted a great deal of scientific research and accumulated rich experience.