永磁磁選機的磁塊磁力不足后如何充磁_遠力為您講述永磁磁選機的磁塊磁力不足后如何充磁磁場分布圖，永磁磁選機隨著不斷使用，其磁塊漸漸出現退磁是不可避免的，即使是永磁鐵也無法避免退磁。那么永磁磁選機的磁塊退磁之后應怎樣進行充磁呢?對于沒有經過磁化或磁化后又退了磁的磁塊，要用充磁機進行充磁，當下磁塊充磁采用的方法主要包括直流充磁和脈沖電流充磁兩種：

一、永磁(ci)磁(ci)選(xuan)機的磁(ci)塊(kuai)磁(ci)力(li)(li)不(bu)足(zu)后(hou)如何充磁(ci)_遠力(li)(li)為(wei)您講述永磁(ci)磁(ci)選(xuan)機的磁(ci)塊(kuai)磁(ci)力(li)(li)不(bu)足(zu)后(hou)如何充磁(ci)磁(ci)場分(fen)布圖

1、直(zhi)流充磁(ci)(ci)(ci)(ci)所用設備主要是(shi)電磁(ci)(ci)(ci)(ci)鐵充磁(ci)(ci)(ci)(ci)機(ji)(ji)，工作時線圈給入直(zhi)流電，兩(liang)個鐵芯(xin)間(jian)(jian)的(de)間(jian)(jian)隙大小可通(tong)過調(diao)(diao)整(zheng)螺母加以(yi)調(diao)(diao)整(zheng)。充磁(ci)(ci)(ci)(ci)之(zhi)前要先用清水將磁(ci)(ci)(ci)(ci)鐵的(de)表面洗(xi)干(gan)凈，把磁(ci)(ci)(ci)(ci)鐵放到充磁(ci)(ci)(ci)(ci)機(ji)(ji)鐵芯(xin)間(jian)(jian)隙中(zhong)夾緊(jin)，向(xiang)激(ji)磁(ci)(ci)(ci)(ci)線圈通(tong)入直(zhi)流電，達到大值，穩定3～4s后(hou)切斷電流，磁(ci)(ci)(ci)(ci)鐵就(jiu)被(bei)磁(ci)(ci)(ci)(ci)化了。由于單(dan)塊(kuai)永磁(ci)(ci)(ci)(ci)鐵充磁(ci)(ci)(ci)(ci)后(hou)剩(sheng)余(yu)磁(ci)(ci)(ci)(ci)感較低(di)，而磁(ci)(ci)(ci)(ci)摞組合充磁(ci)(ci)(ci)(ci)剩(sheng)余(yu)磁(ci)(ci)(ci)(ci)感較高(gao)，因而一般(ban)是(shi)先進(jin)(jin)行(xing)單(dan)塊(kuai)磁(ci)(ci)(ci)(ci)鐵充磁(ci)(ci)(ci)(ci)，之(zhi)后(hou)再(zai)摞合成(cheng)磁(ci)(ci)(ci)(ci)摞進(jin)(jin)行(xing)充磁(ci)(ci)(ci)(ci)，充磁(ci)(ci)(ci)(ci)機(ji)(ji)的(de)磁(ci)(ci)(ci)(ci)化場強度是(shi)磁(ci)(ci)(ci)(ci)鐵矯頑力的(de)5～7倍。

2、脈(mo)沖電流(liu)充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)。這(zhe)種充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)方法所(suo)用(yong)設(she)備(bei)是脈(mo)沖電流(liu)充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)裝置(zhi)，其主(zhu)要由脈(mo)沖裝置(zhi)和充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)線圈組成(cheng)。其磁(ci)(ci)(ci)化場強度非(fei)常(chang)高，能夠直接對磁(ci)(ci)(ci)摞(luo)充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)，工作時強大(da)(da)的脈(mo)沖電流(liu)通(tong)過充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)線圈，能夠形成(cheng)瞬(shun)間強大(da)(da)的磁(ci)(ci)(ci)場，讓充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)線圈中的磁(ci)(ci)(ci)摞(luo)磁(ci)(ci)(ci)化。直流(liu)電磁(ci)(ci)(ci)鐵充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)能力(li)(li)低，但結(jie)構簡單，設(she)備(bei)費用(yong)低，適用(yong)于中小型的除鐵廠。脈(mo)沖電流(liu)充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)裝置(zhi)的充(chong)(chong)(chong)(chong)(chong)磁(ci)(ci)(ci)能力(li)(li)強，裝置(zhi)本身較為復雜，費用(yong)也較高，適用(yong)于大(da)(da)型除鐵廠以及除鐵設(she)備(bei)制造廠。