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customizale 300m Crawler Mounted Drilling Rig Machine DTH Drilling Rig

    Buy cheap customizale 300m Crawler Mounted Drilling Rig Machine DTH  Drilling Rig from wholesalers
     
    Buy cheap customizale 300m Crawler Mounted Drilling Rig Machine DTH  Drilling Rig from wholesalers
    • Buy cheap customizale 300m Crawler Mounted Drilling Rig Machine DTH  Drilling Rig from wholesalers
    • Buy cheap customizale 300m Crawler Mounted Drilling Rig Machine DTH  Drilling Rig from wholesalers

    customizale 300m Crawler Mounted Drilling Rig Machine DTH Drilling Rig

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    Brand Name : ShiTan
    Model Number : ST-300
    Certification : ISO
    Payment Terms : T/T, Western Union
    Supply Ability : 5000 sets per year
    Delivery Time : 7-10 days
    • Product Details
    • Company Profile

    customizale 300m Crawler Mounted Drilling Rig Machine DTH Drilling Rig

    ST 300 Water Well Drilling Rig Machine DTH Blasting


    Product Descrption


    ST 300 drilling rig is efficient and multifunctional drilling equipment , it is mainly applicable to industrial and civil drilling, geothermal drilling, has the advantages of compact structure, fast advancing, mobile and flexible wide application region etc.. It is especially suitable for water intake in mountainous and rocky strata.


    Product Main Parameter


    Technical Parameters
    Model NameST 300
    Drilling Rig Dimension5900*2000*2850mm
    The hole diameter140-325mm
    Drilling depth300m
    One-time advance length3m
    Walking speed2.5KM/H
    Climbing angles30
    Power84KW
    Using air pressure1.7-3.3MPA
    Air consumption17-35cubic meter/min
    Drill pipe length2 meter or 3 meter
    Drill pipe diameter102mm,89mm
    Rig lifting force20T
    Swing speed55-115rpm
    Swing torque6200-8500N.m

    Product Advantages:


    1. The engine uses turbocharged engine;
    2. Traveling device: the traveling motor is equipped with reducer, which has long service life;
    3. Hydraulic oil pump; Parallel transmission design, separate oil pumps, sufficient power supply, reasonable distribution, special hydraulic system design, simple maintenance and low cost;
    4. Power head unit; The gearbox is integrally cast, and dual motors provide power, with large torque, durability and low maintenance cost;
    5. Drilling rig chassis; Excavator chassis, durable, large bearing capacity, wide chain plate, less damage to hard pavement;
    6.The design of compound boom has the advantages of small volume, long stroke, double oil cylinder lifting and large lifting tonnage;
    7. The lifting boom of each drilling rig is equipped with a stopper
    8. Each hydraulic oil pipe is wrapped with a protective jacket to prolong the service life of the oil pipe

    Product Application


    It is mainly suitable for drilling wells, agricultural irrigation wells, geothermal air conditioning holes and other wells, especially for water intake projects in mountainous areas and rock strata. The efficiency is more than ten times higher than the traditional rotary drilling rig, and the economic benefits created for users are very considerable. In particular, it solves the construction problems of rotary drilling rig for hard rock layer, gravel and pebble layer, and can work under various geological structures.

    How to solve the well bit slips?


    After two times of tripping in, the thickness of the muck is determined through the number on the display. After looking at the soft and hardness of the dropped address, if there is a lot of soil and it is hard clay, a drill bucket smaller than the pile diameter is used to solve the problem of slipping. Because there is a large gap between the diameter drill bucket and the hole wall, the dropped soil is under the action of the total amount of drill pipe bucket and pressure, Through the gap between the drill bucket and the hole wall, the small-diameter drill bucket can normally drill when it contacts the solid soil. The large-diameter drill bucket is squeezed into the small hole after two times of running in, so that the large-diameter drill bucket can normally enter the small hole



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