RC drilling rig, reverse circulation drilling machine, is a drilling machine with a unique design. Its working principle is to inject liquid from the bottom of the wellbore to the top of the wellbore through a built-in double-acting piston, and at the same time remove the cuttings and mud from the wellbore. This RC drilling machine is suitable for drilling under increasing well depth conditions. The crawler chassis loading, fully hydraulic drive, power head type drilling rig is a drilling equipment suitable for vertical or inclined drilling and suitable for different drilling process methods. Therefore, it has greater adaptability to various formations and complex working conditions. It can effectively solve the problem of difficulty in drilling holes in loose overburden gravel layers and broken bedrock formations, and has a very wide range of uses.

Applicable Drilling Technology

  • Non-circulating fluid spiral drilling
  • Air down-the-hole hammer (pneumatic impactor) drilling
  • Mud positive circulation drilling
  • Air down-the-hole hammer and pipe drilling
  • Multi-medium reverse circulation drilling

Application of the Reverse Circulation Drilling Rig

RC drilling rig is mainly suitable for the construction of reverse circulation, ground source heat pump holes, urban deep foundation pit support, and foundation reinforcement engineering holes. It is also suitable for the construction of large tonnage prestressed anchor holes or drainage holes in geotechnical engineering such as hydropower station projects, railways, and highway slopes, as well as the prevention of slope and rock collapse disaster management projects. It also takes into account the survey and construction of tunnel pipe shed support holes, grouting reinforcement holes, small foundation pile holes, and hydrological wells.

Features and Characteristics

  1. The large stroke is conducive to reducing the number of rods flips, preventing core blockage and improving productivity.
  2. Simple structure, lightweight, good detachable, easy to move.
  3. The operation is centralized, simple, and convenient, the operation is flexible and reliable, and the labor intensity is greatly reduced.
  4. It is convenient to move and install, and the preparation time is greatly shortened.
  5. There are various loading forms, including crawler type and trailer type, and users can flexibly choose according to actual needs.

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