Qingdao Lenado Intelligent Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of cng mother station system in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk customized cng mother station system from our factory.
Products Description
The CNG Mother Station System is a comprehensive process system that integrates natural gas filtration, metering, compression, dehydration, storage, and dispensing facilities. As the core component of modern natural gas refueling infrastructure, this system employs an advanced process design to achieve fully automated control-spanning the entire operation from the gas source to high-pressure storage.
System Process Flow
The complete process flow of the CNG Mother Station System is as follows:
1. Inlet Filtration: Raw natural gas passes through high-efficiency filters to remove impurities.
2. Precise Metering: High-precision flow meters are utilized to accurately measure the natural gas volume.
3. Multi-stage Compression: Reciprocating compressors are used to compress the natural gas to a pressure of 25 MPa.
4. Deep Dehydration: Molecular sieve adsorption technology is employed to ensure the natural gas dew point meets required standards.
5. High-pressure Storage: The compressed gas is stored in high-pressure cylinder banks rated at 25 MPa.
6. Dispensing Output: CNG tanker trucks are refueled via dedicated dispensing columns.
The design of this system's process flow prioritizes both safety and efficiency, achieving fully automated control throughout the entire operation.
Key Subsystem Configurations
1. Filtration System – Employs a multi-stage filtration design with a filtration precision of up to 5μm – Equipped with an automatic blow-down device to ensure stable, long-term system operation.
2. Metering System – Features an intelligent turbine flowmeter with an accuracy class of 1.0 – Supports remote data transmission and real-time monitoring.
3. Compression System – Utilizes a reciprocating compressor with a discharge pressure of 25 MPa – The cooling system employs an air-cooled design, offering energy efficiency and environmental friendliness.
4. Dehydration System – Employs molecular sieves for deep dehydration, ensuring the natural gas water dew point remains ≤ -55°C – Features a dual-tower alternating operation mode to ensure continuous operation.
5. Gas Storage System – Consists of high-pressure gas cylinder banks with a working pressure of 25 MPa – Offers flexible volume configurations to meet the needs of various scales of operations.
6. Refueling Column System – Equipped with safety breakaway valves and emergency shut-off devices – Supports IC card management and remote data transmission functions.
Technical Performance Parameters
System Specifications: – Total Installed Power: 315–1250 kW – Daily Refueling Capacity: 3,000–15,000 Nm³/day (106,000–530,000 SCFD) – Working Pressure: 25 MPa (3625 psi) – Inlet Pressure: 0.2–0.6 MPa (29–87 psi)
Application Scenarios
CNG Mother Station systems are widely applied in the following scenarios:
- City Gate Stations: Serving as pressure regulation and metering points within urban natural gas transmission and distribution networks.
- Gas Source Points: Establishing refueling bases within natural gas production regions or along the routes of transmission pipelines.
- Industrial Users: Providing a stable supply of high-pressure natural gas to large-scale industrial enterprises.
- Refueling Networks: Acting as the central gas supply hub for satellite CNG refueling stations.
System Advantages and Features
1. Safety Design – The entire system is equipped with safety valves and emergency shut-off devices – Utilizes explosion-proof electrical equipment compliant with the Ex d IIB T4 explosion-proof rating – Features a comprehensive combustible gas detection and alarm system.
2. Intelligent Control – Employs a PLC + SCADA control system to achieve full-process automation – Supports remote monitoring and fault diagnosis capabilities. Equipped with data logging and report generation capabilities
3. Compact Design – Modular architecture with a small footprint – Integrated civil engineering and equipment design – Short installation and commissioning cycle, enabling rapid startup
4. Unattended Operation – Fully automated operating mode minimizes manual intervention – Remote monitoring and maintenance support – Intelligent self-diagnostic capabilities for fault detection
Product Advantages
• High System Integration: Integrated design of civil works and equipment reduces on-site construction requirements
• Low Operating Costs: High-efficiency compressors and optimized processes reduce energy consumption
• Easy Maintenance: Modular design with fewer potential failure points simplifies maintenance
• Strong Scalability: Processing capacity can be flexibly expanded to meet evolving requirements
• Eco-friendly and Energy-efficient: Low-noise design with zero wastewater discharge
• Intelligent Management: Comprehensive remote monitoring and data management capabilities
Examples of Applicable Projects
Urban Natural Gas Gate Stations – Serving as the central hub for urban natural gas reception and distribution – Processing Capacity: 5,000–10,000 Nm³/day – Features: High reliability, continuous operation
Industrial Park Gas Supply Projects – Providing centralized gas supply to large-scale industrial parks – Processing Capacity: 3,000–8,000 Nm³/day – Features:
Customized design tailored to diverse gas consumption requirements
CNG Refueling Network Hub Stations – Serving as the central gas source for regional CNG refueling stations – Processing Capacity: 8,000–15,000 Nm³/day –
Features: Large-capacity gas storage, high turnover rate
How to Select Master Station Configurations Based on Gas Source Conditions
Configuration Selection Guide
1. Assess Gas Source Pressure – Low-pressure source (0.2–0.4 MPa): Requires a multi-stage compressor configuration – Medium-pressure source (0.4–0.6 MPa): Allows for the selection of compressors with fewer stages – High-pressure source (>0.6 MPa): Allows for consideration of a simplified compression process
2. Determine Processing Scale – Small-scale stations (<5,000 Nm³/day): Suitable for urban gas distribution and small industrial users – Medium-scale stations (5,000–10,000 Nm³/day): Suitable for medium-scale industrial facilities and refueling networks – Large-scale stations (>10,000 Nm³/day): Suitable for large-scale industrial zones and regional gas supply hubs.
3. Consider Site Conditions: - Ample Space: A split-unit configuration is an option, offering ease of maintenance. - Limited Space: An integrated skid-mounted design is recommended to maximize space efficiency. - Environmentally Sensitive Areas: Enhanced noise and emission control measures are required.
4. Determine Automation Level: - Manned Operation: A standard control system is sufficient. - Unmanned Operation: Requires enhanced remote monitoring and self-diagnostic capabilities. - Highly Automated: The adoption of AI-optimized control algorithms is recommended.
5. Budget Planning: - Standard Configuration: Meets basic functional requirements and offers high cost-effectiveness. - Enhanced Configuration: Includes redundant designs and advanced features. - Customized Configuration: Tailored design based on specific project requirements.
By following these guidelines, one can select the most suitable CNG mother station system configuration based on specific gas source conditions and project requirements, thereby ensuring both the economic efficiency and operational reliability of the system.
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