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Tractor mounted water well drilling rig
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Product Description
Product Description
Reverse circulation engineering rig
Description
The vehicle reverse circulation drilling rig has many functions such as positive circulation, reverse circulation, and perfusion of commercial ash.It is suitable for soil layer, sand layer and plastic layer, and is more suitable for various complicated foundation construction such as gravel layer.Therefore, it is an ideal equipment for construction of deep foundation projects such as bridges, buildings, farmland water conservancy, electric power, telecommunications, engineering precipitation, etc.
Composition
Generally, circulating drilling rigs have drilling in both forward and reverse circulation modes.The main components are the same, but the reverse circulation rig differs from the positive circulation rig in:The mud circulation system does not require a mud pump, but it must be equipped with a suction pump and a vacuum pump; or an air suction machine (also known as a gas lift method) or a hydraulic suction machine (also known as a hydraulic spray method). However, most of them use a vacuum pump and a suction pump to cooperate with the gas lift to achieve reverse circulation drilling.
Method of operation
First, you need to dig a storage tank in advance.Then the storage tank is connected to the wellhead, and the mud enters the bottom of the well being constructed from the wellhead.The Vacuum pump and the mud pump the mud from the bottom of the well through the drill pipe and return it to the storage tank for recycling.
Reverse circulation drilling machine construction process
The principle is to use the impact drill bit to impact the rock at a higher frequency and break the rock.Then, using the reverse circulation slagging method, the broken cuttings are discharged out of the hole in time.The impact drill bit is balanced by two steel ropes, which is very convenient for both starting and lower drilling, which greatly shortens the auxiliary time.
Main Features
1. The drilling rig adopts heavy-duty vehicle chassis or engineering crawler and hydraulic walking chassis. The chassis has 4 hydraulic legs. The drilling machine has small vibration and good stability during drilling.
2. The high-power large-diameter sand-stone pump is used to make the drill cuttings timely and greatly improve the working efficiency.
3. The reverse circulation drilling rig adopts a unique drill frame with large drilling stroke, large anti-torsion capability, simple structure, convenient maintenance and easy relocation.
4. The reverse circulation drilling rig is multi-functional, the key components are all cost-effective products, and the system is equipped with pressure protection and alarm devices.
5. Specially designed reducer, low noise, large torque, energy saving and durability, saving manpower, and two-person operation.
6. It can be equipped with diesel generator or external power supply, and is not subject to the power supply of the site.
7. The drill pipe is threaded, durable, efficient and convenient.
8.Applicable to complex foundation engineering such as soil layer, pebbles and soft rock, widely used in bridge bored piles, underground continuous wall foundation engineering
Drilling depth（m） | ≤220 | |
Drilling diameter (mm) | 450-2000 | |
Spindle speed (r/min) | 9 | |
Spindle power (kw) | 11 | |
Spindle torque (N•m) | 12000 | |
Hoisting ability (single strength) | 3000kg×6 | |
Drill pipe thread crepe | Φ168×8×2m | |
Mud pump | rate of flow （m³/h） | 300 |
Power KW | 22 | |
Voltage | 380V | |
Current | 90A | |
rated speed | 1500r/min | |
power rating | 50KW | |
Host supporting power | 4105-6105 diesel engine | |
Machine size (length × width × height) (mm) | 9200×2500×3500 | |
Weight (kg) | 125000 |
Detailed Images
Work ROOM
Our products are also exported to over 40 countries and regions like South America Eastern Europe, Southeast Asia and Africa, etc. Excellent quality and good service win us trust and reward from customers from domestic and overseas.
Now we have 22 national patents and passed the authentication of IS9001 quality control system smoothly. With strong technical force, advanced equipment, skilled workers and strict inspection system.
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