NT-CVD (G) series of high-temperature vacuum tube furnace specifically designed for high-temperature CVD process, such as a controlled growth of ZnO nanostructures, crossing a silicon nitride film, a ceramic substrate conductivity test, the ceramic capacitor (MLCC) sintering atmosphere and so on. Kiln alumina fiber insulation products, insulation, made of high quality silicon molybdenum rod heating, high-alumina tube furnace, the system can be pre-vacuum, gas use rotameter control. Imported intelligent single-loop temperature control device control device has a temperature uniformity, stability control, heating speed, energy saving, high temperature, long life and other characteristics, it is the ideal research equipment. First, the technical indicators: Device Model NT-CVD (G) -08/50/1 zone maximum temperature 1650 ℃; (maximum holding time: ≥10 hours); common temperature: 1600 ℃ (maximum holding time: ≥100 h) heating the effective volume Φ72 (Canon) × 500mm; temperature zone Size: Φ72 (Canon) × 250mm tube actual size Φ80 (outer diameter) × 1400mm (made high-quality alumina tube) furnace material alumina fiber product control zone Points 1 one, a B indexing thermocouple device temperature field temperature difference ± 1 ℃, Japanese island of electricity imports. 40 process control instruments (1) heating elements MoSi2 high heating power 12Kw thermal power 5kw maximum heating rate of 3 ℃ ∽10 ℃ / min;