Advanced Technologies on Mine Dust Prevention and Control

Dear Colleagues,

Dust hazard in mines is serious, especially in coal mines. By the end of 2019, China had reported a total of 994,000 cases of occupational diseases, including 889,000 cases of occupational pneumoconiosis, accounting for 90 percent of the total number of cases. In 2019, a new 15,898 cases of occupational pneumoconiosis were reported across the country. Pneumoconiosis is mainly distributed in the mining industry, showing a trend of younger age, covering a wide range of people and causing great potential harm. The medical expenses for the treatment of pneumoconiosis are up to 8 billion yuan every year, making it the most serious occupational disease that harms the physical and mental health of miners.

Foreign developed coal mining countries have advanced dust control and individual monitoring technologies. In terms of dust control, the United States, Germany, Australia and other countries adopt measures such as coal seam water injection, dust-containing air flow control, spray dust reduction, and pre-wet coal seam on the top of the support; Germany and Poland respectively adopt bag type and wet swirling dust removers for dust removal, with air duct attached to the wall for dust control, monorail crane movement, spray dust removal and other measures. The focus of mine dust control in China is changing from total dust to respirable dust, and the technical level of respirable dust control is in urgent need of improvement. In terms of coal mine dust control, measures such as coal seam water injection, high-pressure spraying, and moving sidewalk spraying are mainly used to control the coal dust from fully mechanized mining.

The theme is not limited to the following topics

• Coal seam wetting and coal dust generation characteristics;
• Dust prevention technology for fully mechanized mining face in difficult water injection seam;
• Shotcrete dust control technology in mines;
• Physical and chemical dust removal technology in the mining and transportation process of metal and non-metal mines;
• Online continuous monitoring and individual monitoring technology of mine breathing dust.
• Security management
• Present situation and prevention measures of mine pneumoconiosis

Prof. Dr. Wen Nie
Dr. Guoming Liu
Prof. Dr. Pengfei Wang
Guest Editors

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