Products Description
LEANOMS

A DTH Hammer For Water Well is a drilling tool commonly used in the construction of water wells and in various mining, construction, and geotechnical applications. It's designed to efficiently and rapidly drill through hard rock formations. The DTH Hammer For Water Well operates by using compressed air to drive the hammer's piston, which strikes the drill bit at the bottom of the hole. This percussive action breaks up the rock, and the cuttings are subsequently flushed out of the hole by the air pressure.
Here's how the DTH Hammer For Water Well system works for water well drilling:
- Drilling Rig Setup: A drilling rig is set up at the drilling site. The rig includes components like the drill pipe, drill bit, DTH Hammer For Water Well, air compressor, and a system to handle the drilling fluid (mud or air).
- Insertion of Drill Pipe and DTH Hammer For Water Well For Water Well: The DTH Hammer For Water Well is attached to the end of the drill pipe, which is then lowered into the well hole.
- Compressed Air Supply: An air compressor supplies high-pressure compressed air to the DTH Hammer For Water Well through the drill pipe.
- Percussive Drilling: When the compressed air reaches the DTH Hammer For Water Well, it enters the hammer's internal chamber. The compressed air pressure acts on the piston, driving it downward with high velocity. The piston hits the back of the drill bit, creating a series of rapid impacts.
- Rock Fragmentation: The rapid impacts of the piston on the drill bit transmit percussive energy to the rock formation at the bottom of the hole. This energy breaks the rock into smaller fragments.
- Clearing Cuttings: The broken rock fragments are ejected from the hole due to the air pressure. This continuous flushing action helps keep the hole clear of debris, allowing the drilling to proceed efficiently.
- Advancement and Depth: As the drilling progresses, the drill pipe is gradually extended by adding more sections. This allows the DTH Hammer For Water Well and drill bit to reach greater depths.
- Installation of Casing: In water well drilling, once the desired depth is reached, a casing pipe may be inserted into the hole to prevent it from collapsing and to isolate water-bearing formations from other rock layers.
- Well Development: After drilling is complete, the well is developed by removing any remaining cuttings and debris. This can be done through processes such as airlifting or surging.
It's important to note that the selection of the appropriate DTH Hammer For Water Well For Water Well and drill bit depends on the specific geological conditions of the drilling site. Factors such as rock hardness, formation type, and well diameter will influence the choice of equipment.
Overall, DTH Hammer For Water Well have revolutionized drilling operations by offering high drilling rates and efficient rock penetration, making them a popular choice for water well drilling and various other applications in the mining and construction industries.
Specification
LEANOMS
Technical Parameters Of QL80 DTH Hammers
|
Bit Shank |
QL80 |
|
Hole Range |
Φ195-254mm |
|
Connection Thread |
API 4 1/2" Reg |
|
Working Pressure |
10-25Bar / 1-2.5Mpa |
|
Speed Recommend |
20-45rpm |
|
Pull Force Recommend |
19KN |
|
Length |
1471mm |
|
Weight |
203Kg |
Technical Parameters Of QL80 DTH Bits
|
Diameter |
Gauge Buttons |
Front Buttons |
Weight(KG) |
Part Number |
||||
|
mm |
Inch |
Flat Face |
Convex Face |
Concave Face |
Face Type |
|||
|
203 |
8 |
Φ18*10 |
Φ18*8 |
/ |
Φ16*5 |
Concave Face |
50.1 |
LN-QL80-203CC |
|
216 |
8 1/2 |
Φ18*10 |
Φ18*8 |
/ |
Φ16*6 |
Concave Face |
54.3 |
LN-QL80-216CC |
|
219 |
8 5/8 |
Φ18*10 |
Φ18*8 |
/ |
Φ16*6 |
Concave Face |
54.8 |
LN-QL80-219CC |
|
229 |
9 |
Φ18*12 |
Φ16*12 |
/ |
Φ16*7 |
Concave Face |
56.4 |
LN-QL80-229CC |
|
235 |
9 1/4 |
Φ18*12 |
Φ16*12 |
/ |
Φ16*7 |
Concave Face |
57.4 |
LN-QL80-235CC |
|
245 |
9 5/8 |
Φ19*12 |
Φ16*12 |
/ |
Φ16*8 |
Concave Face |
61.5 |
LN-QL80-245CC |









