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Abstract

Disclosed is a preparation device and a preparation method for a medium borosilicate medicinal glass tube and relates to a technical field of medicinal glass tube preparation. The preparation device includes a melting system, a forming system and a cutting system. The forming system includes a muffle furnace, a shaping furnace, and an annealing furnace set vertically from top to bottom. In an annular seam between a feeder and a guide pipe in the muffle furnace and an inner wall of a furnace channel, the molten glass is pushed downward by gravity of the molten glass and a push pressure of the annular seam and enters the shaping furnace. A pulling tube system is provided with traction rollers and guide clamping rings to clamp and position the molten glass, and the traction rollers clamp the molten glass, so that the molten glass is continuously pulled to form the glass tube under the joint action of the gravity of molten glass and the rotation force of the traction rollers. The thickness of the glass tube prepared by the preparation device is uniform, and a whole preparation process is simple, which avoids complicated process and ensures an internal and external quality of the glass tube, and the preparation device has a simple structure, which is easy to maintain and also reduces cost and energy consumption.

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