Multi-Zone 5N Ultra-High Purity Material Calcination Rotary Furnace

Product Overview

The Multi-Zone High-Purity Material Calcination Rotary Furnace is engineered to meet the stringent demands of ultra-pure material processing. Constructed with a high-purity quartz glass tube (SiO₂), the furnace eliminates metallic contamination risks, making it ideal for Fe-, Al-, and other impurity-sensitive materials. Its multi-zone heating system allows precise temperature profiling along a 5400 mm heating length, supporting staged calcination processes such as preheating, reaction, and controlled cooling.

Key Advantages

Why It’s Perfect for High-Purity Materials

• Quartz Glass Tube (High-Purity SiO₂): Chemically inert, avoids contamination, maintains purity above 99.999%.
• Gas-Tight Design: Works with controlled atmospheres (N₂, Ar) to prevent oxidation or unwanted reactions.
• Precision Multi-Zone Control: Supports complex temperature curves, ensuring uniform heating and minimizing thermal stress.
• Continuous Rotary Processing: Ensures homogeneous heat treatment and improved efficiency compared to static furnaces.

Design Features

• Temperature Capability: 1400℃ design, 1200℃ continuous use.
• Long Heating Zone: 5400 mm, divided into multiple independently controlled zones.
• Large Tube Diameter: 280 mm for high throughput.
• Electromagnetic Feeder: Quartz hopper ensures precise, contamination-free feeding.
• Energy Optimization: 75 kW power for balanced heating rate and energy efficiency.
• PLC Automation Ready: Fully automated control for temperature, rotation, and atmosphere.

Technical Specifications

Typical Applications

• Photovoltaics: Deoxygenation calcination of high-purity silicon powder.
• Lithium-Ion Batteries: High-temperature synthesis of LiCoO₂ and NCM/NCA precursors.
• Special Ceramics: Densification of Al₂O₃, ZrO₂ powders.
• Semiconductors: GaN, SiC precursor processing.

Advantages Over Traditional Box Furnaces