In a significant development for Uzbekistan's infrastructure and water resource projects, a batch of state - of - the - art 200 - meter reverse - circulation water well drills has arrived in the country, earning them the apt title of “Water Savior”.
These drills are of the truck - mounted reverse - circulation power head type. They are equipped with either 4×2 or 6×4 specialized Dongfeng truck chassis for drilling vehicles, powered by reliable Yuchai or Cummins engines. The integration of various components such as diesel generator sets, hydraulic systems, electrical control systems, vacuum pumps, and drill towers on the vehicle chassis not only ensures mobility but also facilitates quick deployment at different job sites.
One of the remarkable features of these drills is their dual - power system. They come with a 100kW - 490KW diesel generator set, along with an external power supply system. This “dual - power” setup allows for versatile operation, where the drill can be powered by the diesel generator set or an external power source, enabling seamless “dual - power” drilling operations. This flexibility is a huge advantage, especially in areas with variable power availability.
The drills are fitted with a dual - motor - driven mechanical power head system and a 6BS sand - gravel pump reverse - circulation pump set. To further enhance the efficiency of the 6BS sand - gravel pump, a vacuum pump water - diversion system has been added. Using mud as the flushing fluid, the reverse - circulation drilling process is smoothly carried out through the 6BS sand - gravel pump, significantly increasing the drilling speed and effectiveness.
The hydraulic system of the drill is also a standout feature. Equipped with a CB - E532 hydraulic oil pump and a comprehensive vehicle - wide hydraulic system, it allows for hydraulic control of the tower lifting and lowering. The four outriggers are hydraulically controlled, with two rear outriggers capable of horizontal extension. The ability to operate the four outriggers either simultaneously or independently greatly improves the drill's flexibility, making it easy to achieve rapid leveling at the drilling site. This integration of mechanical, electrical, and hydraulic systems represents a high - level of technological sophistication, ensuring stable and precise operation.
When it comes to the drill pipes, different - sized threaded - connection drill pipes are provided. The power head and the wellhead frame are equipped with a dedicated drill - pipe loading and unloading device. With the assistance of a 15 - 30 - ton main hoist for heavy - duty lifting and a 1 - ton tool hoist for auxiliary tasks, the operation of loading and unloading drill pipes becomes a simple and labor - saving process.
These drills not only excel in functionality but also in appearance, with a sleek and imposing design. Their power heads generate high torque, and when paired with the factory's specialized drill bits and tools, they can achieve remarkable drilling progress. They are highly adaptable, suitable for drilling in Quaternary loose layers and cobble - pebble layers for a wide range of applications, including various industrial and agricultural water wells, building foundations, bridge foundations, oil - field casings, high - voltage pylon piles, wind - power bottom piles, port wharves, and dam foundations. Their outstanding performance has won the hearts of customers both at home and abroad.
With a diameter of 1200MM, these 200 - meter reverse - circulation water well drills are now in Uzbekistan as a result of a successful cooperation between Shanbo and Uzbekistan. The arrival of these “Water Savior” drills is expected to significantly boost Uzbekistan's construction and water resource exploration projects, bringing new impetus to the country's development.
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