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L-CNG/CNG Refueling Station

  • L-CNG/CNG Refueling Station

L-CNG/CNG Refueling Station

Product introduction

Advanced Clean Energy Solutions for Sustainable Transportation

Operating Principle

The system utilizes a cryogenic high-pressure plunger pump to pressurize LNG to 20-25 MPa. The high-pressure liquid then enters a high-pressure air-cooled vaporizer, where it is converted into Compressed Natural Gas (CNG). Finally, the CNG is dispensed to vehicles via CNG dispensers.

 

This configuration offers significant advantages: LNG transportation costs are lower than those for CNG, and the system operates more energy-efficiently compared to conventional CNG refueling stations.

Station Configuration

  • LNG Storage Tanks
  • Cryogenic High-Pressure Pump
  • High-Pressure Air-Cooled Vaporizer
  • Water Bath Vaporizer (Optional)
  • Programmable Control Panel (Optional)
  • CNG Storage Cylinders (Bundles)
  • CNG Dispensers
  • Station Control System

Key Specifications

Component

Technical Parameters

LNG Storage Tank

Capacity: 30-60 m³ (standard), up to 150 m³ maximum

Working Pressure: 0.8-1.2 MPa

Evaporation Rate: ≤0.3%/day

Design Temperature: -196°C

Insulation Method: Vacuum powder/multilayer winding

Design Standard: GB/T 18442 / ASME

Cryogenic Pump

Flow Rate: 100-400 L/min (higher flow rates customizable)

Outlet Pressure: 1.6 MPa (maximum)

Power: 11-55 kW

Material: Stainless steel (cryogenic grade)

Sealing Method: Mechanical seal

Air-Cooled Vaporizer

Vaporization Capacity: 100-500 Nm³/h

Design Pressure: 2.0 MPa

Outlet Temperature: ≥-10°C

Fin Material: Aluminum alloy

Operating Environment Temperature: -30°C to 40°C

Water Bath Vaporizer (Optional)

Heating Capacity: 80-300 kW

Outlet Temperature Control: 5-20°C

Fuel: Natural gas/electric heating

Thermal Efficiency: ≥90%

Dispenser

Flow Range: 5-60 kg/min

Metering Accuracy: ±1.0%

Working Pressure: 0.5-1.6 MPa

Display: LCD touch screen with preset and totalizer functions

Safety Features: Emergency stop, overpressure protection, breakaway coupling

Piping System

Design Pressure: 2.0 MPa

Design Temperature: -196°C to 50°C

Pipe Material: Stainless steel 304/316L

Insulation: Vacuum pipe/polyurethane foam

Control System

PLC automatic control

Remote monitoring and data transmission

Safety interlocks and alarm management

Compatibility: SCADA, IoT platforms

Data recording and report generation

Optional Features

  • Skid-mounted design for easy installation
  • Remote monitoring & diagnostics
  • Energy-saving mode with variable frequency drive (VFD)
  • Compliance with international standards (ASME, CE, PED)
  • Customizable capacity and configuration
mission

mission

Efficient use of energy to improve the human environment

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Since its establishment, our factory has been developing first world class products with adhering the principle of quality first. Our products have gained excellent reputation in the industry and valuable trust among new and old customers.

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