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脱磁器是利用递减的交变磁场,消除矿粒的磁团聚,提高分级效率的。我矿凹山选厂原φ150毫米脱磁器脱磁效果很差,分析其原因:①直径小,矿浆流速快,脱磁时间短;②磁场强度不高。为此,参照南芬φ200毫米脱磁器设计制造了φ230毫米脱磁器,经过长期考验,证明性能良好,能达到预期的脱磁效果,已在全厂
Demagnetizer is the use of decreasing alternating magnetic field, eliminating the reunion of ore particles to improve the classification efficiency. Mine Mine Hill Selective Factory original φ150 mm demagnetization demagnetization effect is poor, analyze the reasons: ① small diameter, fast flow rate of slurry, demagnetization time is short; ② magnetic field strength is not high. To this end, with reference to Nanfen φ200 mm demagnetizer designed and manufactured φ230 mm demagnetizer, after a long period of test to prove good performance, to achieve the expected demagnetization effect, has been in the whole plant