Compact LNG Refueling Station
Compact LNG stations are modular energy infrastructures designed for space-constrained, rapid deployment scenarios. With a footprint more than 50% smaller than that of traditional stationary stations, they support a wide range of applications, including road transport, harbors, mining sites, and urban public transport hubs.
Their core advantages include a lightweight design, quick installation, and a low operational threshold, making them especially suitable for small to medium gas demands or as complementary nodes in large-scale energy networks.
Core Components and Technical Parameters
1. Cryogenic LNG Storage Tank
Volume: 30,50,60 m³ (optional vacuum insulation or polyurethane insulation technology)
Working Pressure: 0.6–1.2 MPa (adaptable to different regional gas supply standards)
Key Components:
Stainless Steel Inner Tank: Made of S30408 material, offering 3× improved corrosion resistance
Double-Layer Vacuum Insulation: Thermal conductivity ≤ 0.002 W/m·K; daily evaporation rate ≤ 0.15%
Intelligent Liquid Level Sensor: Accuracy ±1 mm; integrated with a remote monitoring interface
2. Cryogenic Pump Skid
Pump Type: Vertical cryogenic centrifugal pump (flow rate: 5–50 m³/h) or submerged liquid pump (20% higher efficiency)
Motor: Explosion-proof inverter motor (IP68 rated; suitable for environments from -40°C to 50°C)
Control Module:
Integrated automatic pressure regulation
Anti-cavitation protection
Supports manual/automatic dual-mode control
3.LNG Dispenser
Measurement Accuracy: ±1.0% FS (compliant with OIML R137 international metrology standards)
Filling Speed: 3–80 kg/min (supports upgrade to LNG/CNG dual-fuel mode)
Interface Compatibility: ISO 20423 (Europe), AGA NGV1 (North America), and other global standards
4. Control System and Safety Devices
Main Control: PLC intelligent control cabinet (supports Modbus/TCP protocol; compatible with existing SCADA systems)
Safety Devices:
Emergency shut-off valve (response time < 1 second)
Laser gas leakage detector (detection accuracy: 0.1 ppm)
Explosion-proof acoustic and visual alarms (certified to ATEX/IECEx standards)
5. Modular Skid-Mounted Structure
Transport Dimensions: Standard 20 ft / 40 ft container (disassembly-free transport; reduces overseas logistics costs by 30%)
Integrated Design: Combines storage tank, pump skid, and control system; only pipeline connection and power commissioning are required on-site
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Parameter Data
|
Parameter |
|
|
|
Working medium |
(LNG)Liquefied Natural Gas(LNG) |
|
|
Total volume of storagetank |
30m³ |
60m³ |
|
Heatinsulation of storagetan |
High vacuum twine |
High vacuum pearlife padding |
|
NO.ofpumps |
1unit |
2units |
|
Max.discharge of pump |
340L/min |
680L/min |
|
Operating pressure |
1.6Mpa |
1.6Mpa |
|
Measurin gaccuracy |
±1.0% |
±1.0% |
|
Pipeline design temperature |
-196℃ |
-196℃ |
|
Total power |
15~25KW |
30~45KW |
|
Noise |
≤55dB |
≤55dB |
|
Explosive-proofgrade |
IECEX,ATEX |
IECEX,ATEX |
|
Control mode |
PLC full automatic control |
PLC full automatic control |
