Lifting speed control system in VAD method

The invention provides a lifting speed control system in a VAD method, and aims to solve the technical problem that the uniformity of a preform rod is poor due to the fact that the spraying amount of raw materials and the amount of soot are difficult to control. The control system comprises a starti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GAO YUNZHOU, PEI LEI, WANG GANG, HUANG YUANKUN, PENG GONGJUN, DA JUN, DENG WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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