Shendong Bulianta Coal Mine's self-made pneumatic fan ensures ventilation underground-ZT Fan

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Shendong Bulianta Coal Mine's self-made pneumatic fan ensures ventilation underground

Release time:

2021-05-27

Recently, the ventilation team of Shen Dong Coal Group's Bulianta Coal Mine utilized the principle of pneumatic power, using pneumatic fans as air guiding devices to supply air to the long-distance water chamber underground. This not only eliminated the safety hazards caused by working in a light breeze or no wind but also improved the efficiency of air supply, ensuring safe production underground. When the length of the water chamber in the coal mine exceeds 6 meters, there may be a buildup of some toxic and harmful gases inside, necessitating the installation of air guiding devices for ventilation. However, traditional air ducts are not very effective and cannot completely eliminate toxic and harmful gases. Traditional local fans, being electrically driven, pose inconveniences for extensive use underground. To effectively address this issue, the ventilation team of the mine combined the existing pneumatic power underground.

When the length of the water chamber underground exceeds 6 meters, some toxic and harmful gases may accumulate inside, necessitating the installation of air guiding devices for ventilation. However, traditional air ducts are not effective and cannot completely eliminate toxic and harmful gases, while traditional local fans, being electrically driven, pose inconveniences for extensive underground use.

To effectively address this issue, the ventilation team of the mine combined the existing pneumatic devices underground and used pneumatic fans to supply air to the water chamber. The pneumatic fans utilize a compressed air self-rescue system as the power source, which is easy to connect, safe, and efficient. Calculations and on-site tests have shown that the air volume can meet the ventilation needs, and the results are satisfactory.

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