HUIFEN HFZX-01 Integrated On-Line Multicomponent Gas Analysis System for New Energy Applications
| Brand | HUIFEN |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Type | On-Line Analyzer |
| Response Time | ≤0.5 s |
| Repeatability | ±0.5% FS (H₂, N₂, O₂, CO, CO₂, H₂S, COS, C₁–C₅) |
| Detectors | TCD (100 ppm – 100%), FID (0.1 ppm – 100%), FPD (100 ppb – 0.1%) |
| Power Supply | 220 VAC, 50 Hz |
| Operating Temperature | 5–35 °C |
| Humidity Range | 5–95% RH (non-condensing) |
| Power Consumption | 5 kW (increases with heated sample line length) |
| Enclosure Rating | IP65 |
| Explosion Protection | Ex d pxb ib mb px b II C T4 Gb (IEC 60079-2 & IEC 60079-28 compliant) |
| Output Signal | 4–20 mA (isolated) |
| Communication | RS232 / RS485 (Modbus RTU) |
| Instrument Air | Clean, oil-free air at 0.4–0.6 MPa |
| Dimensions (W×H×D) | 360 × 800 × 970 mm |
| Net Weight | 110 kg |
Overview
The HUIFEN HFZX-01 Integrated On-Line Multicomponent Gas Analysis System is an engineered solution designed specifically for continuous, real-time compositional analysis of complex gas streams in new energy infrastructure—including biogas upgrading plants, hydrogen production facilities, syngas processing units, and battery material off-gas monitoring. It employs gas chromatography (GC) as its core analytical principle, utilizing high-efficiency capillary or packed columns coupled with multiple detector technologies—Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID), and Flame Photometric Detector (FPD)—to achieve simultaneous quantification of permanent gases (H₂, N₂, O₂), hydrocarbons (C₁–C₅), acid gases (CO, CO₂, H₂S, COS), and trace sulfur compounds. The system operates under positive-pressure purging architecture, maintaining an internal overpressure environment using inert instrument air to prevent ingress of flammable atmospheres—fully complying with IEC 60079-2 and IEC 60079-28 for hazardous area deployment.
Key Features
- Positive-pressure explosion-proof enclosure rated Ex d pxb ib mb px b II C T4 Gb—certified for Zone 1/21 and Division 1 environments per IEC/NEC standards.
- Modular wall-mountable design (360 × 800 × 970 mm; 110 kg) optimized for installation inside analyzer shelters or process skids without floor footprint.
- Integrated multi-detector configuration: up to three detectors (TCD/FID/FPD) mounted simultaneously on a single GC platform for parallel detection pathways.
- Industrial-grade 7-inch resistive touch panel with SIL2-compliant HMI interface—operable directly in classified zones without external control room dependency.
- Heated sample introduction path (standard) with optional extended heated lines (up to 30 m) to prevent condensation and adsorption losses in moisture- or heavy-hydrocarbon-rich streams.
- Robust thermal management system ensuring column oven stability (±0.1 °C) across ambient fluctuations (5–35 °C), critical for retention time reproducibility.
Sample Compatibility & Compliance
The HFZX-01 is validated for use with representative process gases from renewable fuel synthesis, electrochemical hydrogen generation, lithium-ion battery electrolyte decomposition monitoring, and carbon capture pre-combustion streams. It meets ASTM D1945 (analysis of natural gas), ISO 6974 (gas chromatographic determination of composition), and GB/T 13610 (Chinese national standard for hydrocarbon analysis). All electronics and pneumatic components are certified to IP65 ingress protection. The system supports audit-ready operation under GLP/GMP frameworks through configurable event logging, user access levels, and electronic signature capability (optional FDA 21 CFR Part 11 compliance package available).
Software & Data Management
HUIFEN’s proprietary ChromoView™ software provides full instrument control, method development, peak integration, calibration curve generation, and report export (PDF/CSV/XLSX). It features automated sequence execution, drift compensation algorithms, and real-time alarm thresholds with configurable relay outputs. Data integrity is ensured via timestamped audit trails, operator login tracking, and non-modifiable raw data storage. Communication interfaces support Modbus RTU over RS485 for PLC integration and optional OPC UA gateway for MES/SCADA connectivity. Remote diagnostics and firmware updates are enabled via secure SSH tunneling.
Applications
- Real-time monitoring of H₂ purity (>99.999%) in PEM electrolyzer off-gas.
- Quantitative speciation of C₁–C₅ hydrocarbons in biogas upgrading and RNG injection pipelines.
- Trace H₂S and COS detection in ammonia synthesis loop purge gas (sub-ppb level with FPD).
- CO/CO₂ ratio tracking in Fischer–Tropsch tail gas for catalyst health assessment.
- Off-gas analysis from lithium iron phosphate (LFP) cathode drying ovens—detecting HF, POF₃, and organic solvent residuals.
- Leak detection and composition verification in hydrogen refueling station buffer tanks.
FAQ
What certifications does the HFZX-01 hold for hazardous area installation?
It carries full IECEx and CNEx certification for Ex d pxb ib mb px b II C T4 Gb, covering both flameproof and pressurized protection concepts for Group II C gases including hydrogen and acetylene.
Can the system operate unattended for extended periods?
Yes—designed for 7×24 continuous operation with automatic zero/span checks, column bake-out cycles, and predictive maintenance alerts based on detector signal decay trends.
Is method transfer possible from lab-based GC systems?
ChromoView™ supports ASTM E260/E1510-compliant method import/export; retention time alignment is achieved via dynamic oven ramp optimization and adjustable carrier gas flow profiles.
How is data security managed during remote access?
SSHv2 encryption, role-based permissions, and TLS 1.2 for web-based dashboards ensure compliance with ISO/IEC 27001-aligned cybersecurity practices.
What maintenance intervals are recommended for field operation?
Detector filaments (TCD), FID jet nozzles, and GC column ends require inspection every 6 months; full system calibration validation is advised quarterly per ISO/IEC 17025 guidelines.
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