Technical requirements for hydraulic systems of large water well drilling rig

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Large rigs (drilling >200m) serve industrial water supply and exploration.water well drilling rig. Their hydraulic systems need high pressure, flow and longevity.

 

  1. High pressure and large flow: Pressure ranges 25-35MPa, flow 100-200L/min. High-pressure piston pumps work best. A 300m rig uses dual pumps, 180L/min total, for simultaneous actions.
  2. Multi-circuit independent control: Separate circuits drive rotation, feeding, mast lifting, 等. No mutual interference. Two pumps control rotation and feeding, adapting to complex strata.
  3. High-precision filtration and cooling: Three-stage filtration (5μm precision) keeps oil clean. Efficient coolers limit oil temp below 50℃. A hybrid cooling system maintains 45℃ in summer.

They also have smart monitoring: sensors track parameters, auto-alarm and shut down on anomalies. Integrating multiple technologies, they ensure deep drilling efficiency and reliability.water well drilling rig