Membrane Separation Nitrogen Generation Equipment
Product Overview
The Membrane Separation Nitrogen Generation Equipment utilizes advanced polymer hollow-fiber membrane technology to continuously separate nitrogen from compressed air on site. Engineered for medium-purity applications, fast startup, and minimal maintenance, this equipment delivers a steady gas supply without the moving parts or switching cycles of traditional systems. It is optimized for mobile installations, offshore platforms, and continuous industrial processes where system stability and operational simplicity are essential.
Product Features
Instant Nitrogen Supply Reaches target purity within minutes of cold startup. High-flux polyimide hollow-fiber membranes deliver qualified nitrogen in 3–5 minutes and full working pressure in <60 seconds.
Maintenance-Free Separation Core Contains no switching adsorption beds or solenoid valves. Epoxy-encapsulated stationary modules deliver an 8–10+ year lifespan, requiring only filter changes every 2,000–4,000 hours.
Vibration & Motion Resistant Solid-state membrane bundles withstand severe motion and salt mist, passing MIL-STD-810G / IEC 60068-2 testing (>3g vibration / 15g shock) with a C5-M marine coating.
Non-Pulsating Continuous Output Delivers steady uninterrupted flow without PSA pressure drops. Digital backpressure control maintains output stability within ±0.01 MPa and purity variance within <±0.1%.
Parameter
|
Nitrogen production |
Nitrogen purity |
outlet pressure |
Dew point |
Intake pressure |
Intake air temperature |
Gas consumption ratio (air to nitrogen ratio) |
|
1-500Nm³/h |
95%-99.9% |
5 – 10 bar (G) |
≤-40℃ ~ -70℃ |
7 – 13 bar (G) |
40 – 60℃ |
About 5:1 to 8:1 |
Customization Options
|
Category |
Customization Options |
|
Structural Design |
Open steel skid, weatherproof containerized enclosure, or trailer-mounted mobile unit |
|
Control & Connectivity |
Siemens PLC with touchscreen HMI, Modbus/Ethernet remote telemetry, and ATEX/IECEx explosion-proof ratings |
|
Turnkey Package |
Integrated air compressor, refrigerant/desiccant air dryer, multi-stage oil removal filters, and buffer storage tanks |
Customization Workflow
Requirement Assessment Define core parameters: Required purity (95%–99.9%), flow rate (Nm³/h), outlet pressure, site conditions, and explosion-proof/hazard zone ratings.
Engineering & GA Design: Receive a complete technical proposal within 48 hours, including GA drawings, P&ID schematics, utility consumption estimates, and skid layouts.
Custom Fabrication: Skid frame manufacturing, pipe welding, C5-M marine-grade coating, electrical cabinet wiring, and membrane integration under ISO 9001 standards.
Factory Acceptance Testing (FAT): Every unit undergoes 100% pre-shipment testing for nitrogen purity, flow output, pressure integrity, and continuous 24-hour operation with an official FAT report.
Export Packaging & Logistics: Sealed with vacuum moisture barriers and packed in heavy-duty steel skids or ISPM-15 wooden cases, complete with manuals, certificates, and P&ID documentation.
Commissioning & Global Support: Receive remote or on-site commissioning guidance, operator training, guaranteed 10-year OEM spare parts supply, and lifetime technical support.
Factory Capacity & Strength
Proven Experience: 20+ years specializing in Air Separation & CO₂ Recovery Systems.
Massive Scale: 160-acre facility with 69,000m² standardized workshops & 500+ workers.
Smart Manufacturing: 300+ advanced machines, including laser cutters, robotic drills & automated welding.
Global Certifications: ASME, CE, ISO, and Class A2 Pressure Vessel licenses.
Worldwide Service: Products exported to 70+ countries with local support offices in Vietnam & Indonesia.
Packaging & Delivery
Export Protection: Heavy-duty steel skid base or ISPM-15 export wooden case with internal moisture barrier.
Documentation: Operation & Maintenance Manual, GA drawings, P&ID schematics, and factory test certificates provided.
Global Support: Remote commissioning assistance, field engineer dispatch, and guaranteed OEM replacement parts availability.
FAQ
Q: How do I choose between a membrane nitrogen generator and a PSA system?
A: Membrane systems are recommended for medium purity (95%–99.9%), rapid startup (<5 min), compact space, mobile/offshore environments, and minimal maintenance. PSA systems are preferred for ultra-high purity (>99.99%) or massive volume stationary operations.
Q: What compressed air quality is required for the membrane system?
A: Clean, dry, and oil-free compressed air conforming to ISO 8573-1:2010 Class 1.4.1 is required (oil content < 0.003 mg/m³). Pre-treatment filter packages are integrated to protect the membrane from hydrocarbon contamination.
Q: Can the system operate continuously in 24/7 industrial environments?
A: Yes. With a constant qualified air supply, the stationary membrane process operates continuously without valve cycling or mechanical fatigue.
Q: Is the membrane module replaceable, and what is its lifespan?
A: Yes, the module is replaceable. Under standard operating conditions with proper air pretreatment, the hollow-fiber membrane module has a service life of 8 to 10+ years.
Q: Can the equipment be installed outdoors, offshore, or in hazardous areas?
A: Yes. Options include IP55/IP65 enclosures, C5-M marine anti-corrosion coatings, containerized designs, and ATEX/IECEx explosion-proof electrical configurations.
Q: Can the system connect directly to an existing plant air compressor?
A: Yes. It can operate as a standalone separation skid connected to your plant compressed air line, provided the air supply meets the required flow, pressure, and purity specs.
Q: How does downstream demand fluctuation affect energy consumption?
A: The system features an automated load-following control mode. When target downstream tank pressure is reached, the unit enters standby or bypass mode to conserve feed air and energy.
Q: What is the typical lead time for standard vs. customized orders?
A: Standard skid units ship within 3 to 4 weeks. Customized, containerized, or marine explosion-proof systems ship within 6 to 8 weeks after drawing approval.
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