河北渦電流分選機  渦流金屬分選機 廠家供應(yīng)200型金屬分離設(shè)備

渦電流分選是利用物質(zhì)電導(dǎo)率不同的一種分選技術(shù)，其分選原理基于兩個重要的物理現(xiàn)象：一個隨時問而變的交變磁場總是伴生一個交變的電場(電磁感應(yīng)定律);載流導(dǎo)體產(chǎn)生磁場。渦電流分選機工作時，在分選磁輥表面產(chǎn)生高頻交變的強磁場，當有導(dǎo)電性的有色金屬經(jīng)過磁場時，會在有色金屬內(nèi)感應(yīng)出渦電流，此渦電流本身會產(chǎn)生與原磁場方向相反的磁場，達到分選的目的。

Eddy current separation is a separation technology which uses different conductivity of materials. Its separation principle is based on two important physical phenomena: an alternating magnetic field which changes at any time is always accompanied by an alternating electric field (electromagnetic induction law); the current carrying conductor produces a magnetic field. When the eddy current separator is working, a high-frequency alternating strong magnetic field is generated on the surface of the separation magnetic roller. When the conductive non-ferrous metals pass through the magnetic field, the eddy current will be induced in the non-ferrous metals. The eddy current itself will produce a magnetic field in the opposite direction of the original magnetic field to achieve the purpose of separation.

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