Product Overview
LEFILTER coal gas drainage filters are engineered to efficiently remove liquid contaminants (water, tar, and particulates) from coal gas streams. Our specialized filtration systems protect downstream equipment from corrosion and blockage while ensuring continuous gas flow and system safety in demanding industrial environments.
Key Features & Benefits
✔ High-Efficiency Separation – Removes 99% of free liquids and particulates ≥10μm
✔ Explosion-Proof Design – ATEX-certified for hazardous methane environments
✔ Automatic Drainage – Float-controlled discharge eliminates manual intervention
✔ Corrosion-Resistant – 316L stainless steel or FRP construction options
✔ Low Maintenance – Self-cleaning mechanism reduces downtime
Technical Specifications
| Parameter | Specification |
|---|
| Max Pressure | 25 bar (362 psi) |
| Operating Temp | -20°C to 120°C |
| Flow Capacity | 50–5,000 Nm³/h |
| Filtration Grade | 10 μm (customizable) |
| Drainage Type | Automatic float valve/manual |
| Connections | Flanged (ANSI/DIN) |
| Certifications | ATEX, ISO 15848 (fugitive emissions) |
Working Principle
LEFILTER gas drainage filters operate in 3 stages:
Inlet Separation
Coalescing Filtration
Automatic Drainage
Typical Applications
Coal Mining & Processing
Industrial Gas Systems
Coke oven gas treatment
Syngas purification
Energy Production
Product Series
| Model | Flow Range (Nm³/h) | Key Feature |
|---|
| LF-GD-200 | 50–200 | Compact skid-mounted design |
| LF-GD-1000 | 200–1,000 | Dual-vessel redundancy |
| LF-GD-5000 | 1,000–5,000 | Fully automated PLC control |
| LF-GD-HT | Up to 3,000 | High-temp (200°C) version |
Why Choose LEFILTER?
Proven Reliability – 98% uptime in mine gas applications
Custom Engineering – Tailored to your gas composition
Global Support – 24/7 technical assistance
Cost Savings – 30% longer service intervals vs. competitors
📥 Resources:
Maintenance Guide
Daily – Check automatic drainage function
Monthly – Inspect filter media condition
Annually – Full system pressure test
For application-specific recommendations, contact our gas treatment specialists!
