TNK AF-02 Intelligent Fire Assay Fusion Furnace
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TNK AF-02 Intelligent Fire Assay Fusion Furnace
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TNK AF-02 Intelligent Fire Assay Fusion Furnace
TNK AF-02 Intelligent Fire Assay Fusion Furnace
TNK AF-02 Intelligent Fire Assay Fusion Furnace is an automated equipment developed by Luoyang Turner High Temperature Instrument Co., Ltd. for fire assay cupellation experiments on mineral gold. It complies with standards including ISO 10378-2005 (Determination of Gold in Copper, Lead, and Zinc Sulfide Concentrates by Fire Assay) and GB/T 3884.2-2012, YS/T 461.10-2013 (Fire Assay Method for Gold Determination in Copper, Lead, and Zinc Concentrates). The furnace holds multiple national patents and features a modular chamber design for easy disassembly and maintenance. Automatic air intake/exhaust control eliminates the need to open the furnace door, reducing exposure to lead oxide hazards. Patented accessories ensure precise and convenient sample handling.
The furnace exhibits minimal temperature fluctuations during operation, with excellent temperature uniformity. Its high automation and user-friendly interface simplify operation. Post-cupellation gold-silver alloy particles show uniform morphology, smooth spherical surfaces, and strong metallic texture, outperforming results from conventional muffle furnaces. Extensive field tests confirm the furnace meets all design requirements, offering superior performance, reproducibility, and minimal experimental error, filling a gap in domestic fire assay equipment for mineral gold analysis.
Technical Specifications
Rated Temperature | 1200℃（≥1300℃） |
Temperature Control Accuracy | ≤±2°C (during holding) |
Furnace Chamber Size（mm） | 420×380×200mm (Depth×Width×Height) |
Rated Voltage | 3×380V (heating circuit); 220V (control circuit) |
Rated Current | 3×40A |
Rated Power | 36 kVA (adjustable output) |
Power Supply | Three-phase five-wire system |
External Dimensions | 1120×900×1650mm (with footings, excluding chimney height) |
Features
● Intelligent Control: Cupellation process control software with touchscreen interface for simple, intuitive operation.
● Optimized Chamber Design: Achieves ideal cupellation results while significantly reducing exposure to lead vapor and lead oxide hazards.
● Observation Window: Glass viewport on the furnace door allows real-time monitoring of the cupellation process.
● Automated Gas Control: Auto-adjustable air intake and chimney opening for tailored experimental conditions.
● Pre-Scheduled Heating: Programmable startup to preheat the furnace, enhancing efficiency.
● Multi-Curve Programming: Pre-set curves for diverse fire assay requirements.
● Data Logging: Records startup/shutdown times and cupellation durations for traceability.
● Safety Protections: Over-temperature, thermocouple/heating element failure alarms, and current imbalance safeguards.
● Modular Chamber: Easy maintenance and refractory replacement.
● Three-Phase Heating: Balanced circuit design reduces power load stress.
● Uniform Heating: Radiation heating with heat diffuser plates ensures chamber temperature consistency.
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Luoyang Turner High Temperature Instrument Co., Ltd.
+86-400-880-7095
Sales (same as WeChat):18695992058
Contact:+86-379-69755886
Address: South Section of Shuangxiang Road, Luoxin Industrial Cluster, Luoyang City, Henan Province
Email:tnkinstrument@163.com
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