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Industrial Well-Type Vacuum Annealing Furnace for Wire Cores & Tool Steel (High Efficiency, 1100°C)Engineered for superior performance, this well-type vacuum furnace is designed for vacuum tempering of high-speed steel, special tool steel (cold/hot working dies), and wire core annealing. The advanced thermal design integrates a full refractory fiber structure (320mm thickness) and HRE high-temperature flat belt heating elements, delivering ~30% energy savings and double the heating rate compared to traditional brick furnaces. Key Highlights:
Achieve ideal material structure with excellent oxidation resistance. 
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Description
1. Overview & Application This well-type vacuum annealing furnace is mainly used for vacuum tempering of high-speed steel, special tool steel, cold/hot working die steel before raw material processing, and wire core annealing. It ensures good oxidation resistance and achieves ideal material structure through a reasonable heat treatment process. 2. Key Technical Parameters
3. Core Advantages & Features ① Full Refractory Fiber Lining Adopts full refractory fiber structure (320mm thickness) with prefabricated compressed blocks. Service temp ~1300°C, long-term use with <6% shrinkage. Excellent energy saving, much longer life than brick furnace. ② Robust Vacuum Tank & Sealing 321 stainless steel tank suspended vertically, high temp strength & air tightness. Sealing flange (40mm carbon steel) with silicone seal, water cooling tank protects seal strip. Ensures no leakage, achieves ideal vacuum. ③ HRE Heating & Zoned Control High-temperature, high-emissivity HRE electrothermal alloy flat belt, mounted on both furnace sides with ceramic pendants. Low surface load (1.4W/cm²) extends life. Two-zone control (upper/lower) for uniform temperature (±precision via PID). ④ Vacuum & Circulation System Water ring vacuum pump (X-10) with measuring instruments. Special vacuum water-cooled sealing fan (2520 heat-resistant steel blade, dynamic/static balance), 2.2kW, 4900-7000m³/h airflow. Quick cooling via blower and air dispersing pipes. ⑤ Structural Rigidity & Safety Furnace shell: 4mm steel plate, 12mm panel, 40mm cover panel with triangular rib plates & 100 channel steel supports. Furnace bottom: layered refractory/diatomite/insulation bricks for load-bearing. Furnace cover: water-cooled panel, squirrel cage insulation (310S steel), explosion-proof & exhaust holes (>120° angle), water-cooled jackets. ⑥ Intelligent Control System 9-inch touch screen + intelligent temperature control instrument (program sections). Zhengjie power thyristor, Delixi low voltage appliances, overtemperature alarm. Centralized lead-out rods with protective shield. Real-time data collection, storage, display, download/print. Lifting via crown block crane. 4. Main Components
5. Application Scope
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