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GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

    Buy cheap GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor from wholesalers
     
    Buy cheap GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor from wholesalers
    • Buy cheap GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor from wholesalers

    GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

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    Brand Name : Shitan
    Model Number : ST200
    Certification : ISO
    Price : USD3200-6800/set
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 20000 sets/ year
    Delivery Time : 7 days
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    GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor

    GK200 Water Well Drilling Rig Engineering Machinery Without Air Compressor


    Geological Drilling Rig Machine brief introduction

    The GK-200 mobile drilling rig is a kind of widely used and hydraulic feeding drill, which has the characteristics of big power, great lifting force (2T) and high transmission torque. It can be used in engineering geological survey of railway, hydropower, transportation, bridge, foundation and other buildings, geological core drilling and physical exploration and so on.

    Geological Drilling Rig Machine parameter

    Drill Rig Specification
    Drilling depth200m
    Drilling Diameter75mm,91mm,110mm,130mm,150mm,300mm
    Drilling rod diameter50mm
    Drilling Angle90°-75°
    Dimensions(L×W×H)1750×850×1300 (mm)
    Weight1050kg/set
    Swivel Head
    Spindle Speed115, 230, 505, 1010r/min
    Spindle stroke450mm
    Spindle Dia.65mm (53x59 Kelly)
    Upward displacement speed of drilling vertical spindle0.05m/s
    Downward displacement speed of drilling vertical spindle0.067m/s
    Spindle pull-down max15KN
    Spindle lifting capacity max25KN
    Vertical maximum output torque1.5KN.m
    Hoist
    Max. Lifting capacity(single rope)20KN.m
    Lifting rotating speed20; 40; 90; 168r/min
    Hoisting drum linear velocity (two levels)0.17; 0.35; 0.73; 1.5m/s
    Durm Diameter140mm
    Wire rope diameter9.3mm
    Wire rope capability40m
    Gear Pump
    ModelYBC-12/125
    Rated pressure12.5Mpa
    Displacement20ml/r
    Rated Speed2000r/min
    Diesel Engine
    ModelZS1115
    Rated Power16.2KW
    Rated Speed2200r/min
    Mud Pump
    ModelBW-160
    Displacement38, 58 ,90, 160 L/min
    Pressure1.3 Mpa

    How about the features of it ?


    1. With hydraulic automaatic feeding device, elevated drilling efficiency.
    2. Large torque and drilling diameter.
    3. With a spherial jaw holding mechanism and the rod replacement without breakdwn, high efficiency.
    4. Compact structure, small volume, lightweight, high detachability, easy transportation and suitable for the operations in plains or mountain areas.
    5. Adoping large drive pipe, double guide rod, increase the stability.

    What is the construction technology of de watering well?


    Well point measurement and positioning → hole digging and casing embedding → drilling rig in place → drilling → hoisting well pipe → back-filling filter material (coarse sand or gravel) between well pipe and hole wall → hole washing → drainage pump in well pipe and installation of pumping control circuit → trial pumping → normal operation of well point → de watering completion, pipe pulling → well sealing.

    The de watering shall be carried out 20 days before the excavation of the foundation pit, so as to drain the stagnant water in the stratum in advance, reduce the groundwater level, improve the self stabilization capacity of the soil layer, and smoothly carry out the anhydrous operation. During the de watering operation, the water level observation of each well shall be done well, and the change of the head of the confined aquifer shall be mastered in time

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