Draft tube for single crystal furnace
A technology of a guide tube and a single crystal furnace, which is applied in the field of the guide tube, can solve the problems of increasing energy consumption, shaking of single crystal silicon rods, and strengthening of airflow intensity.
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[0012] Such as figure 1 and figure 2 The shown guide tube for single crystal furnace includes a trumpet-shaped cylinder body 4, a feed flange 1 and a discharge flange 5, and the feed flange 1 and discharge flange 5 are respectively connected On the narrow-mouth end and the wide-mouth end of the horn-shaped cylinder 4, an extension device is arranged between the narrow-mouth end of the horn-shaped cylinder 4 and the feeding flange 1, and the described horn-shaped cylinder 4 A baffle 9 is arranged between the wide mouth end of the outlet and the discharge flange 5, and a baffle 9 is arranged inside the trumpet-shaped cylinder 4, and through holes 10 are evenly arranged on the baffle, and the A filter plate 12 is also arranged between the lower end of the deflector and the side wall of the horn-shaped cylinder 4, and an inspection port is also provided on the side wall of the horn-shaped cylinder 4, and the horn-shaped cylinder outside the inspection port An observation window...
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