Parametrical design and optimization of a reverse circulation drill bit for dust control
Liming Fan,
Zhilin Li,
Yongjiang Luo
Abstract:The reverse circulation down-the-hole air hammer drilling (RC-DTH) method is renowned for its efficiency in hard rock formations and exceptional dust control performance. It presents opportunities for cost-saving, efficiency improvement, energy conservation, and environmental protection. Reverse circulation drill bits are critical components of this method. This study focused on the air reverse circulation regime, investigating various geometric parameters of the RC drill bits through computational and experim… Show more
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