ZGY-100 gas-liquid interaction DTH drilling Features: The model structure is simple, easy operation, low cost, energy saving, and also has vertical and horizontal drilling blasting holes function, especially removable machine is good, so the move transportation is very convenient. Technical parameters: Model mm hole diameter drilling depth m suitable rock hardness impactor type mm Pressure Mpa air consumption m3 / min speed r / min m length of time to promote maximum lifting force kg ZGY-100 gas-liquid interaction 83-130 ≤25 f = 6-20 80-110 0.5-0.7 7-12 0-55 1 15 ZGY-100 gas-liquid interaction DTH drilling Features: The model structure is simple, easy operation, low cost, energy saving, and also has a vertical drilling and horizontal blast holes function, especially removable machine is good, so transportation is very convenient relocation. Technical parameters: Model mm hole diameter drilling depth m suitable rock hardness impactor type mm Pressure Mpa air consumption m3 / min speed r / min m length of time to promote maximum lifting force kg ZGY-100 gas-liquid interaction 83-130 ≤25 f = 0.5-0.7 6-2080-110 7-120-55115