3630-4120K Two-stage Diesel Skid-mounted Screw Air Compressor
Field-Ready DTH Hammers for Deep Water Well Drilling
Core Specs & Practical Details
|
Item |
LGZJ36/30-41/20 |
|
Model |
LGZJ36/30-41/20 |
|
Nominal Volume Flow, m³/min |
36(41) |
|
Rated Discharge Pressure, MPa |
3.0(2.0) |
|
Unit Weight, kg |
5500 |
|
Overall Dimension (L×W×H), mm |
3800×2200×2350 |
|
Manufacturer |
Yuchai |
|
Model |
YC6K560-KT31(K9802) |
|
Type |
Vertical, In-line, Water-cooled |
|
Intake Mode |
Turbocharged & Intercooled |
|
Bore × Stroke × Cylinder Qty |
129×165×6 |
|
Displacement, L |
12.94 |
|
Rated Speed, r/min |
1800 |
|
Unloading Speed, r/min |
1300 |
|
Rated Power, HP(kW) |
560(412) |
|
Engine Oil Capacity, L |
35 |
|
Fuel Tank Capacity, L |
450 |
|
Electrical System Voltage, V |
24 |
|
Airend Model |
SKY2-40H-G161-LS4 |
|
Compression Stage |
2 |
|
Compressor Oil Capacity, L |
120 |
|
Air Supply Valve - Spec. & Qty. |
G2×1, G3/4×1 |
- Sizes Available: 3.5-inch to 8-inch options to fit standard borehole demands across different ground conditions.
- Shank Compatibility: Fits global standards like DHD, COP, QL, SD, and Mission, so finding replacement bits locally is never a headache.
- Wear Sleeve: The outer sleeve is fully reversible. When one side gets chewed up by abrasive rock, just flip it over and double its service life.
- Weight Note: It is a bit heavy to haul around by hand during initial rig setup, but once it is threaded on, it runs rock-steady.
When you are 200 meters down in hard granite and your rig starts struggling, you know how painful slow penetration and weak air delivery can be. You want a DTH hammer that just gets through the rock without making you pull the string every two hours to fix something on a remote job site.
We built this heavy-duty hammer to take a serious beating on tough water well and mining projects. The valveless setup means fewer internal parts to snap when you are miles away from the workshop. It hits hard, clears out rock cuttings fast, and keeps your meter-per-hour rate right where it needs to be so you can finish jobs on schedule.
To keep things running smoothly at deep levels, your air supply has to keep up with the demand. When you push past 300 meters, regular compressors lose pressure and leave your bits stuck in the hole. Hooking your drilling spread up to the 36/30-41/20K Two-stage Diesel Skid-mounted Screw Air Compressor gives you the solid 25-bar-plus punch you actually need down at the bottom of the borehole.
How to Make the Most of Your Tool
Getting a good water well drilled isn't just about having a strong hammer; it is about how well your whole pneumatic chain performs under heavy load. When you are dealing with broken rock formations or heavy groundwater pressure, small details matter. Always check your line oiler before starting up each morning. Running dry for even an hour in a remote field will score your internal piston and ruin a brand-new component. Furthermore, keeping your drill string straight during collar deployment prevents uneven wear on the front head and extends the overall service life of the tool.
Frequently Asked Questions (FAQ)
Q1: What should I do if the hammer suddenly loses impact force while drilling deep?
A: A sudden drop in impact usually points to low line pressure or worn internal check valves letting air bypass the piston. Check your surface air delivery first. If you are running long strings of pipe past 300 meters, ensure your compressor setup-such as the 36/30-41/20K Two-stage Diesel Skid-mounted Screw Air Compressor-is maintaining steady volume without choking on line friction.
Q2: How does the valveless design actually improve my day-to-day fieldwork?
A: Traditional valved hammers have tiny ports and extra moving plates that love to clog or snap when minor debris gets into the air line. Our valveless layout cuts out those vulnerable parts, meaning fewer unexpected breakdowns when you are hours away from the nearest spare parts shop.
Q3: Can I use standard rock drill oil, or do I need a specific grade for deep wells?
A: You should use heavy-duty rock drill oil (typically ISO VG 100 to 150 depending on the ambient climate). In deep wells where water influx is high, use an extreme-pressure (EP) oil so it doesn't get washed away from the piston walls immediately.
Q4: What causes premature wear on the external wear sleeve, and how do I prevent it?
A: Abrasive sandy formations and excessive side-loading (drilling at an angle) chew up the sleeve fast. While you can easily flip our reversible sleeve halfway through its life, make sure your feed pressure isn't too aggressive when collaring through loose overburden.
Q5: Why is pairing with a high-pressure compressor so critical for larger hammer sizes?
A: Larger hammers (like 6-inch and 8-inch models) require massive air volume and high bar ratings to lift heavy cuttings out of deep boreholes. Undersized compressors cause cuttings to fall back down, leading to stuck bits and burned-out motors. A robust unit like the 36/30-41/20K Two-stage Diesel Skid-mounted Screw Air Compressor provides the necessary clearing force right from the start.
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