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How many domestic impact ground pressure coal mines?
Release time:
2022-11-08
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How many domestic impact ground pressure coal mines?
- How many domestic impact ground pressure coal mines?
With the increase of coal mining depth in China, the number of rock burst mines and the degree of disaster damage have increased significantly, and at present,There are more than 140, of which 42 are rockburst mines in Shandong (accounting for 30% of the country's total, with an approved production capacity of more than 8000 million tons, accounting for about 60% of the province's coal production capacity), 16 are above kilometers, accounting for 37.2 of the country's total, and the number of rockburst mines and kilometer mines ranks first in the country.
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Key words:
Ground pressure, mine, impact, national, increase, number, coal mine, kilometer, production capacity
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