Through-type evacuated collector tube machining process and inner tube forming device thereof
A vacuum heat collecting tube and processing technology, which is applied in glass forming, glass reshaping, solar collectors, etc., can solve problems affecting the number of heat absorbing tubes installed, affecting heat preservation effect, air introduction, etc., to reduce damage The effect of improving the rate, improving the molding efficiency, and increasing the ventilation volume
- Application Information
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Problems solved by technology
 The present invention will be further described below in conjunction with the drawings.
 As shown in the drawings, the through-type vacuum heat collector tube targeted by the present invention adopts the inner tube 11 and the outer tube 10 made of borosilicate glass at the ends, and the outer diameter of the inner tube 11 is provided with multiple reducing diameters. Zone 12; a snap ring 13 is clamped between the outer diameter of the inner tube 11 and the inner wall of the outer tube 10, and a getter module 14 is fixed to the snap ring 13;
 The production steps of the above-mentioned through-type vacuum heat collecting tube are as follows:
 ⑴Inner tube processing:
 ①The inner tube is made of round high borosilicate glass material tube; image 3 with Figure 4 as well as Figure 5 As shown, the inner tube blank is locally heated in the diameter reducing zone 12 while rotating, and the heating temperature is 1000°C. After the inner tube blank is s...
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