Molybdenum draft tube processing methods and uses

Molybdenum tube was introduced draft tube pullers, is a significant improvement. After using molybdenum draft tube, single crystal furnace body becomes smooth upper argon, argon flow rate, the silicon oxide deposited on the crystal furnace greatly reduced. Because molybdenum draft tube temperature protection, reducing the heating time, the crystallization time is shortened by nearly 35%, the incidence of crystal dislocation is reduced. So the application of molybdenum draft tube reduces energy consumption, improve production efficiency. Molybdenum draft tube openings on the shape of large, small flared lower opening, opening on single crystal furnace manufacturers due to a variety of different styles, and its specifications are 16 inch, 18 inch, 22 inch. Molybdenum draft tube production and processing, generally 0.8-2.0mm high temperature molybdenum plate, cut the whole piece by drawing size fan, heating roll into a trumpet shape, riveting or welding, the final correction. In order to save costs, but also useful for processing and production of molybdenum molybdenum draft tube stitching, riveting place more, affecting life. Finished molybdenum draft tube, finished smooth surface, the upper and lower caliber concentric consistent size, accuracy, and graphite can closely meet the draft tube, finished unit weight 3-10 kg.