01熔煉過程中控制原料的化學組成

氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)原料中的(de)(de)(de)(de)(de)雜質(zhi)(zhi)(zhi)如(ru)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鐵(tie)(tie)(Fe2O3·FeO)，氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鉻(Cr2O3)，二氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)錳(meng)(MnO2)，氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鈦(TiO2),氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鋁(Al2O3)，氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)硅(gui)(SiO2)，氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鈣(CaO)等雜質(zhi)(zhi)(zhi)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)學物(wu)(wu)理(li)(li)(li)性質(zhi)(zhi)(zhi)有(you)重大的(de)(de)(de)(de)(de)影響(xiang)。FeO、Fe2O3、MnO2、TiO2、Al2O3、CaO會降(jiang)低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，或增(zeng)(zeng)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)泄(xie)漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，因(yin)而(er)各國對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)中這(zhe)些雜質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)含量提出一定(ding)的(de)(de)(de)(de)(de)要(yao)求。據報道，Al2O3由于會同氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)形(xing)成高導電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性能的(de)(de)(de)(de)(de)尖(jian)晶石(MgO·Al2O3)，使(shi)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)介電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性能變壞(huai);CaO和(he)SiO2若(ruo)(ruo)能形(xing)成玻璃相存(cun)(cun)在(zai)，在(zai)本(ben)質(zhi)(zhi)(zhi)上不會引起電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)學物(wu)(wu)理(li)(li)(li)性能的(de)(de)(de)(de)(de)改變，但CaO超過一定(ding)的(de)(de)(de)(de)(de)限量，會增(zeng)(zeng)加電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)水(shui)化(hua)(hua)(hua)(hua)性，也(ye)會降(jiang)低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值，因(yin)而(er)也(ye)是應(ying)該加以限制的(de)(de)(de)(de)(de);氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鐵(tie)(tie)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)中的(de)(de)(de)(de)(de)存(cun)(cun)在(zai)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)學物(wu)(wu)理(li)(li)(li)性質(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)影響(xiang)，氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鐵(tie)(tie)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)中的(de)(de)(de)(de)(de)存(cun)(cun)在(zai)形(xing)式(shi)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)學物(wu)(wu)理(li)(li)(li)性質(zhi)(zhi)(zhi)如(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，泄(xie)露(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)有(you)重大影響(xiang)，鐵(tie)(tie)若(ruo)(ruo)以亞鐵(tie)(tie)(FeO)形(xing)式(shi)存(cun)(cun)在(zai)，無(wu)疑會使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)的(de)(de)(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻降(jiang)低，泄(xie)露(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值增(zeng)(zeng)大，若(ruo)(ruo)鐵(tie)(tie)以高價鐵(tie)(tie)的(de)(de)(de)(de)(de)某些復合物(wu)(wu)形(xing)式(shi)存(cun)(cun)在(zai)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)中，相反也(ye)會使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)熔(rong)(rong)(rong)凝(ning)(ning)(ning)氧(yang)(yang)(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)(mei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)學物(wu)(wu)理(li)(li)(li)性質(zhi)(zhi)(zhi)變好，如(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)絕緣阻增(zeng)(zeng)大，泄(xie)露(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)值降(jiang)低。

02對電熔凝氧(yang)化(hua)鎂產品進行磁選

03電熔(rong)凝氧化鎂砂的煅燒熱處理

04加入添加劑