Comprehensive Technical & Industrial Overview: The LGZJ-36/30-41/20 Diesel Portable Screw Air Compressor
Introduction to High-Pressure Mobile Air Compression
In demanding heavy-duty sectors such as deep water-well drilling, mining, oil and gas exploration, and large-scale infrastructure construction, having a reliable and high-capacity pneumatic power source is critical. The LGZJ-36/30-41/20 (often designated with a "K" for specialized well-drilling configurations) is a state-of-the-art, heavy-duty mobile diesel screw air compressor engineered specifically to tackle extreme working environments.
As global industries demand greater efficiency, lower fuel consumption, and robust reliability in remote locations, this specialized dual-pressure and high-flow unit has emerged as a benchmark asset for contractors and equipment operators worldwide.
Core Technical Specifications & Performance Metrics
The performance profile of the LGZJ-36/30-41/20 reflects heavy industrial engineering designed to match high-torque drilling rigs:
Free Air Delivery (FAD): Ranges dynamically between 36 to 41 $m^3/min$ (approx. 1270 to 1448 CFM), providing ample volume to flush deep boreholes and power heavy pneumatic hammers.
Working Pressure: Adjustable across 3.0 to 2.0 MPa (30 to 20 bar / 435 to 290 psi), making it versatile for varying geological strata and multi-stage drilling depths.
Engine Power: Powered by a heavy-duty Cummins diesel engine (typically model QSZ13-C550-30), delivering a robust 550 HP (404 kW) at rated speeds.
Compression Mechanism: Advanced two-stage screw compression architecture utilizing patented rotor profiles to minimize internal leakage and thermodynamic losses.
Dimensions & Weight: Built on a heavy-duty structural chassis, weighing approximately 5,800 kg with field-ready dimensions optimized for towing and transport.
Key Engineering Advantages for Water Well & Mining Operations
1. High-Efficiency Two-Stage Air Ends
The compressor utilizes proprietary high-efficiency rotor designs. By splitting the compression ratio across two separate stages, the unit reduces the workload per stage, lowers operating temperatures, and significantly extends the lifespan of bearings and seals. This design yields superior volumetric efficiency compared to single-stage alternatives.
2. Tailored Design for Water Well Drilling
Unlike standard construction compressors, water-well variants like the LGZJ-36/30-41/20 incorporate custom field-oriented features. These include externally accessible oil-filling ports for fast maintenance, upgraded multi-stage heavy-duty air filtration systems to block fine silica dust, and specialized anti-coking industrial lubricants that withstand continuous high-temperature running.
3. Heavy-Duty Power and Fuel Economy
Driven by a world-class Cummins power plant, the unit ensures high torque backup and dependable operation under load spikes. The intelligent throttle control system automatically modulates engine speed and air intake matching actual air demand (0% to 100%), optimizing diesel consumption and reducing operational expenditures over long project lifecycles.
4. All-Weather and Extreme Terrain Adaptability
Field operations often take place in freezing winters or scorching remote deserts. The LGZJ-36/30-41/20 features an oversized, high-ambient-temperature cooling matrix alongside optional low-temperature cold-start aids. This guarantees instantaneous startup and stable cooling performance whether operating at high altitudes or in severe sub-zero environments.
Application Scope in Global Trade
For international traders, mining outfitters, and engineering contractors, stocking or deploying the LGZJ-36/30-41/20 opens doors to major infrastructure projects. Its primary applications include:
Water Well & Geothermal Drilling: Supplying high-pressure air to clear debris and drive down-the-hole (DTH) hammers efficiently.
Open-Pit Mining & Quarrying: Powering blast-hole drilling rigs and clearing heavy particulate matter.
Civil Infrastructure: Supporting large-scale anchoring, piling, tunneling, and pipeline pressure testing.
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