DTH Hammer Standards for Medium-Deep Well Hard Rock: Water Well Drilling Rigs

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The water well drilling rig requires high-pressure hammers (1.3-1.6MPa) for 150-250m hard rock.

 

  1. High-frequency impact: 1600-1800 times/min breaks hard crystals. Drills 5-6m/day in granite stably.
  2. Shortens drilling time: A 150mm model cut 40% time in 120m granite vs. medium-pressure types.
  3. Match large compressors: ≥15m³/min keeps pressure at 200m. Short stroke (30-50المليمتر) saves 25% energy.

 

Lubrication systems boost frequency stability to over 85%. The water well drilling rig depends on these for hard deep drilling.