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1. 发明公开

EP0626123A4 INDUCTION DRYER AND MAGNETIC SEPARATOR. 失效
标题翻译：印度尼西亚电讯公司
公开(公告)号：EP0626123A4
公开(公告)日：1995-04-26
申请号：EP93904611
申请日：1993-01-25
申请人： HERON TECH INC
发明人： SPRENGER ROBERT A , SHEPHERD DOUGLAS F
IPC分类号： H05B6/10 , B03C1/253 , B21D51/30 , H05B6/02 , H05B6/36 , H05B6/64
CPC分类号： H05B6/103 , B03C1/253
摘要： Apparatus for inductively heating metal can lids (100) operates at medium frequency, with a many-turn induction coil (223) wrapped partly or entirely around the can closures. No focusing cores are required, nor need the conductors be water cooled. Can ends may be fed through the apparatus in-stick (208). IGBTs (230) are used in the H-bridge of the inverter. A control system (Fig. 19) minimizes peak current flow through the switches. The control system monitors the tank voltage phase angle and turns the switches on and off in optimal response thereto. Can lids (100) are separated magnetically while being motivated by sequentially switched electromagnets, and can bodies may be rotated by a split conveyor belt (210) while being transported. Close-loop temperature control apparatus may also be included to control AC power input and to prevent overheating of the can closures in the event of unintended stoppage of the production line.
摘要翻译：用于感应加热金属罐盖（100）的装置在中频下工作，多圈感应线圈（223）部分地或完全地围绕罐盖封闭。不需要聚焦磁芯，也不需要导体进行水冷却。罐端可以通过装置（208）进给。 IGBT（230）用于逆变器的H桥。控制系统（图19）使通过开关的峰值电流流量最小化。控制系统监控油箱电压相位角，并以最佳响应对开关进行开关。当盖子（100）被依次切换的电磁铁驱动时，磁体（100）被磁性地分离，并且可以在输送的同时通过分割的输送带（210）旋转罐体。还可以包括闭环温度控制装置以控制AC电力输入并且防止在生产线意外停止的情况下罐盖的过热。

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