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2025/10

Shelter chambers are strategically located underground in coal mines and equipped with essential facilities, equipment, as well as food and water—everything needed to sustain human life. These chambers serve as a critical safety refuge, providing a life-sustaining space for miners trapped in the disaster area when evacuation is no longer possible during coal mine emergencies.

2025/10

Wind-assisted long-range ground spraying for dust suppression

The wind-assisted long-range ground spray dust suppression system utilizes peak pressure and a high-flow, dedicated axial fan to generate a high-speed airflow via a streamlined air duct. This airflow then strikes and breaks up the nozzles installed at the duct’s outlet, creating an atomized mist with fine droplet size (100 µm), long spray range (up to 100 meters), and highly directional mist flow.

2020/11

Underground coal mine drilling operations | Gas drainage and extraction borehole drilling

Coal mine underground drilling operations are suitable for exploring and addressing water and gas hazards in coal mines, as well as for constructing various types of boreholes, including gas drainage/extraction holes, grouting holes for fire prevention and extinguishing, grouting holes designed to block water inflows, anti-bump pressure relief holes, geological exploration holes, and other specialized engineering bores. This method is ideal for drilling into coal and rock formations with a hardness coefficient (f) of less than 10. Additionally, it can be applied to small-diameter exploration drilling in metallic and non-metallic solid mineral deposits, as well as to construction tasks such as grouting for industrial and civil buildings, highways, railways, bridges, dams, and levees.

Tel:+86 136-2926-1595

Email:starsales@gokang.com

ADD: No. 3699, Shangyuan Road, High-Speed Rail New Town, Economic and Technological Development Zone, Xi'an City, Shaanxi Province, China

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Shaanxi ASTTAR Explosion-Proof Safety Technology Co., Ltd.

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