Reverse circulation drilling rig takes you to understand
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The reverse circulation drilling rig is suitable for relatively soft geological conditions, and can also be used for construction in harder rocks. It is equipped with a mechanical arm for connecting drill pipes. It can be used in straight holes and small apex angles. Its working mode is rotating by the drilling rig. The device drives the drill pipe and the drill bit to rotate and crush the rock and soil, and then uses the reverse circulation slag discharge method, which is suitable for farmland water conservancy projects, industrial water wells, national defense construction, hydrological prospecting, and geothermal mine water well drilling. Compared with DC (direct circulation) drilling, reverse circulation drilling rigs have superior performance, high drilling efficiency, convenient operation and use, and more powerful power. The drilling cuttings of this equipment flow upwards faster than direct circulation drilling speed by 10-50 Times, the drilling rig can easily handle the drilling of soil, sand, mucus and pebble layers.
Construction advantages of reverse circulation drilling rig:
1. The reverse circulation drilling rig vehicle-mounted forward and reverse circulation construction and water parallel drilling rig are designed by our company's engineers. It is a rotary drilling rig installed on a truck, mainly used for the Quaternary loose stratum and gravel stratum of various building foundation pile holes. , Bedrock drilling, can also be used for industrial and agricultural water wells.
2. The chassis of the drilling rig adopts the Changan brand special crane chassis, the main transmission system, and the chassis is equipped with a transfer case, a gearbox, a hydraulic double winch, a mud pump, a sewage pump, a drilling block, etc.
3. The drilling rig is equipped with a positive and negative circulation system. The sewage brake valve is pneumatically controlled, and the slurry is used as the washing fluid, and the positive and negative circulation drilling is realized by the switch of the mud pump and the sewage pump.
4. The drilling rig is equipped with hydraulic system, hydraulic tower and hydraulic support legs. The rear support legs can be stretched and retracted horizontally, and can be operated together or separately, which can improve the balance of the rig.
5. The power of the rig comes from the truck engine, and the rig is equipped with distribution tools and hydraulic systems. The main drive is mechanical drive, the drill rod is threaded, and the hydraulic material rod is high in efficiency.
6. A generator (15kw) is installed on the drilling rig to facilitate night lighting or work. Equipped with a vacuum pump for 6BS/8BS sewage pump water diversion. Drilling rigs can use wire pressure devices to help drill holes in hard ground.
7. Equipped with IS150 clean water pump to realize positive circulation drilling, and equipped with 6BS sewage pump to realize reverse circulation drilling. The two pumps are controlled by the transfer case and the pneumatic clutch to realize the switching of the two pumps.
8. The drilling rig has beautiful appearance, large torque of the turntable, and high efficiency. It is mainly used for water wells, buildings, bridge foundations, oilfield casings, high-voltage line piles, wind power piles, geological mines, ports, dam foundations, etc. It is very popular at home and abroad .
