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    • 12. 发明授权
    • Method for the rapid thermal treatment of glass and glass-like materials using microwave radiation
    • 使用微波辐射快速热处理玻璃和玻璃状材料的方法
    • US06408649B1
    • 2002-06-25
    • US09561451
    • 2000-04-28
    • Vladislav E. SklyarevichMykhaylo Shevelev
    • Vladislav E. SklyarevichMykhaylo Shevelev
    • C03B2300
    • C03B29/025Y02P40/57
    • A method of thermally treating a glass or glass-like material, preferably a glass sheet, without the use of conventional tunnel-type furnaces, to effect rapid heating of glass and glass-like materials from any initial temperature to any required temperature so that the glass sheet can be processed by shaping, bending, tempering, annealing, coating and floating of the glass sheet without cracking of the glass sheet is described. In the inventive method a microwave radiation with appropriate uniformity, frequency and power density is chosen so as to accomplish glass heating from any initial temperature to any required (e.g., softened) temperature in a selected short time while ensuring that the temperature distribution on the external surfaces and in the interior of the glass sheet that arises from microwave exposure is uniform enough to prevent the exposed glass sheet's internal thermal stress from exceeding its modulus of rupture, thereby avoiding glass breakage.
    • 在不使用常规隧道式炉的情况下热处理玻璃或玻璃状材料,优选玻璃板的方法,以使玻璃和玻璃状材料从任何初始温度快速加热至任何所需温度,从而使 可以通过玻璃板的成形,弯曲,回火,退火,涂布和漂浮来处理玻璃板而不会破裂玻璃板。 在本发明的方法中,选择具有适当均匀性,频率和功率密度的微波辐射,以便在选定的短时间内实现从任何初始温度到任何所需(例如软化)温度的玻璃加热,同时确保外部温度分布 由微波曝光产生的玻璃板的表面和内部均匀,足以防止暴露的玻璃板的内部热应力超过其破裂模量,从而避免玻璃破裂。