Beijing Hangfeng WZL-1 Micro Distillation Analyzer
| Brand | Beijing Hangfeng |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WZL-1 |
| Pricing | Upon Request |
| Compliance | ASTM D86, ASTM D1078, ASTM D850 |
| Measurement Principle | Atmospheric distillation with integrated pressure-compensated volume and temperature tracking |
| Sample Volume | 10 mL |
| Test Duration | ≤15 min |
| Display | Integrated LCD interface |
| Connectivity | Bluetooth 4.2 |
| Output | Built-in thermal printer |
| Heating Control | Adaptive PID power modulation |
| Environmental Compensation | Real-time ambient pressure, temperature, and volumetric correction |
Overview
The Beijing Hangfeng WZL-1 Micro Distillation Analyzer is an engineered solution for rapid, precise atmospheric distillation characterization of petroleum-based liquids. It operates on the fundamental principle of standardized ASTM atmospheric distillation—where a defined sample volume is heated under controlled conditions, and the sequential vaporization and condensation of components are tracked by real-time measurement of distilled volume versus head temperature. Unlike conventional distillation apparatus requiring 100 mL samples and 45+ minute test cycles, the WZL-1 achieves full ASTM D86/D1078/D850 compliance using only 10 mL of sample and completing analysis in ≤15 minutes. Its compact benchtop architecture integrates a precision heating furnace, water-cooled condenser, micro-volume collection system, and embedded control logic—all calibrated to deliver traceable, repeatable results across gasoline, jet fuel, naphtha, light solvents, aromatic hydrocarbons, and other volatile mineral oils.
Key Features
- Micro-sample capability: Validated operation with 10 mL sample volume—reducing material consumption, waste generation, and exposure risk in routine QC labs.
- Pressure-integrated distillation algorithm: Dynamically compensates for local barometric pressure deviations during testing, ensuring accurate boiling point reporting per ASTM D86 Annex A1.
- Adaptive thermal management: PID-controlled heating element modulates power output in real time to maintain prescribed ASTM heating rate profiles—eliminating manual ramp adjustments.
- Automated endpoint detection: Uses dual-sensor fusion (temperature gradient + condensate accumulation rate) to determine initial boiling point (IBP), final boiling point (FBP), and intermediate recovery points (e.g., 10%, 50%, 90% v/v).
- Onboard environmental correction: Automatically applies corrections for ambient temperature, atmospheric pressure, and glassware thermal expansion per ASTM D1078 Section 7.3.
- Integrated data output: Thermal printer provides immediate hardcopy of full distillation curve, recovery percentages, and observed temperatures—formatted to match standard refinery lab report templates.
- Bluetooth-enabled data export: Supports secure wireless transfer of CSV-formatted raw data (time-stamped temperature/volume pairs) to LIMS or QA review workstations running Windows/macOS.
Sample Compatibility & Compliance
The WZL-1 is validated for use with transparent, non-viscous petroleum distillates having initial boiling points between 30 °C and 250 °C and final boiling points below 400 °C. Compatible matrices include unleaded gasoline, aviation turbine fuel (Jet A-1), kerosene, toluene, xylene, cyclohexane, and light naphthas. It meets all functional requirements of ASTM D86 (Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure), ASTM D1078 (Standard Test Method for Distillation Range of Volatile Organic Liquids), and ASTM D850 (Standard Test Method for Distillation of Industrial Aromatic Hydrocarbons). The instrument’s firmware implements mandatory procedural checks—including pre-test dryness verification, reflux ratio monitoring, and vapor temperature stabilization thresholds—to support GLP-compliant operations. While not certified to ISO/IEC 17025, its calibration traceability aligns with NIST-traceable reference thermometers and certified volumetric standards.
Software & Data Management
The WZL-1 runs embedded firmware with a menu-driven LCD interface supporting multilingual prompts (English default). All test parameters—including target heating rate, maximum allowable temperature, and volume increment thresholds—are configurable via on-device navigation. Raw acquisition data (temperature vs. time, volume vs. time) is stored internally for up to 500 test records. Exported CSV files contain timestamped columns: “Elapsed Time (s)”, “Vapor Temperature (°C)”, “Distillate Volume (mL)”, “Ambient Pressure (kPa)”, and “System Status Flag”. Bluetooth transmission complies with RFCOMM protocol and supports pairing with laboratory PCs without proprietary drivers. Audit trail functionality logs operator ID (via optional PIN entry), test start/end timestamps, calibration event history, and firmware version—supporting basic FDA 21 CFR Part 11 readiness when deployed with external identity management.
Applications
- Refinery process control: Rapid verification of crude fractionation cuts and reformulated gasoline blending batches.
- Fuel quality assurance: On-site validation of distillation specifications per ASTM D439 (gasoline), D1655 (jet fuel), or D975 (diesel).
- Solvent purity screening: Detection of low-boiling contaminants (e.g., acetone in toluene) or high-boiling residues in industrial aromatics.
- Research & development: Screening of synthetic fuel blends, bio-derived hydrocarbons, and alternative aviation fuels (SAF) against legacy distillation envelopes.
- Educational laboratories: Teaching core distillation theory with reduced safety overhead and consumables cost compared to classical ASTM D86 setups.
FAQ
Does the WZL-1 require external cooling water?
No—the integrated condenser uses passive air cooling supplemented by a low-noise axial fan; no plumbing or chiller connection is needed.
Can it be used for vacuum distillation?
No—it is designed exclusively for atmospheric-pressure distillation per ASTM D86/D1078; vacuum-capable variants are not available in the WZL series.
Is calibration certificate included with shipment?
A factory calibration report (covering temperature sensor linearity and volume accumulator accuracy) is provided; NIST-traceable recalibration services are available through authorized Beijing Hangfeng service centers.
What maintenance is required for long-term reliability?
Quarterly cleaning of condenser fins and furnace chamber, annual verification of thermal sensor drift using certified reference oils (e.g., SRM 2721), and biannual firmware updates via Bluetooth.
How does it handle foaming or bumping during distillation?
The firmware monitors vapor temperature stability and pauses heating if erratic fluctuations exceed ±2 °C over 5 seconds—allowing transient foam collapse before resuming the programmed ramp.
