鎂鈣砂

 可用(yong)(yong)天(tian)然(ran)礦(kuang)藏(zang)質(zhi)(zhi)料(liao)(liao)本身之間的檔次(ci)不(bu)(bu)同配料(liao)(liao)組成(cheng)，如莫來石(shi)(shi)(shi)，也(ye)可不(bu)(bu)同天(tian)然(ran)礦(kuang)藏(zang)質(zhi)(zhi)料(liao)(liao)配料(liao)(liao)組成(cheng)，如用(yong)(yong)高(gao)鋁礬土與(yu)鋯(gao)英石(shi)(shi)(shi)精礦(kuang)組成(cheng)鋯(gao)莫來石(shi)(shi)(shi);高(gao)鋁礬土與(yu)菱(ling)(ling)鎂(mei)(mei)(mei)(mei)礦(kuang)組成(cheng)鋁鎂(mei)(mei)(mei)(mei)尖晶石(shi)(shi)(shi);菱(ling)(ling)鎂(mei)(mei)(mei)(mei)礦(kuang)與(yu)白(bai)云石(shi)(shi)(shi)組成(cheng)鎂(mei)(mei)(mei)(mei)鈣砂;用(yong)(yong)高(gao)鈣菱(ling)(ling)鎂(mei)(mei)(mei)(mei)礦(kuang)與(yu)鐵精礦(kuang)配料(liao)(liao)組成(cheng)鎂(mei)(mei)(mei)(mei)鐵鈣砂;菱(ling)(ling)鎂(mei)(mei)(mei)(mei)礦(kuang)與(yu)鋯(gao)英石(shi)(shi)(shi)組成(cheng)鎂(mei)(mei)(mei)(mei)鋯(gao)砂;葉蠟石(shi)(shi)(shi)與(yu)滑石(shi)(shi)(shi)組成(cheng)堇青石(shi)(shi)(shi);用(yong)(yong)菱(ling)(ling)鎂(mei)(mei)(mei)(mei)礦(kuang)與(yu)二級高(gao)鋁礬土熟料(liao)(liao)配料(liao)(liao)，焦(jiao)炭作為還(huan)(huan)原劑，通(tong)過碳熱還(huan)(huan)原氮(dan)化(hua)組成(cheng)Sialon—尖晶石(shi)(shi)(shi)復(fu)相(xiang)(xiang)資料(liao)(liao);藍(lan)晶石(shi)(shi)(shi)與(yu)石(shi)(shi)(shi)墨配料(liao)(liao)，原位組成(cheng)AlN—SiC復(fu)相(xiang)(xiang)資料(liao)(liao)等。

所(suo)謂組成(cheng)耐火(huo)質(zhi)(zhi)(zhi)料，就是將兩種(zhong)(zhong)或兩種(zhong)(zhong)以上的(de)天然(ran)礦藏質(zhi)(zhi)(zhi)料或化(hua)工質(zhi)(zhi)(zhi)料或廢(fei)棄物，通過配料、粉碎，磨細，混合，成(cheng)型，煅燒(shao)或電(dian)熔等工藝進(jin)程，合成(cheng)鎂(mei)鐵鈣砂制取必定化(hua)學礦藏組成(cheng)和物理(li)性(xing)能(neng)的(de)耐火(huo)質(zhi)(zhi)(zhi)料。組成(cheng)耐火(huo)質(zhi)(zhi)(zhi)料的(de)品種(zhong)(zhong)繁復，組成(cheng)辦(ban)法多(duo)種(zhong)(zhong)多(duo)樣，大體簡略(lve)介紹(shao)：

 純(chun)(chun)化(hua)(hua)工(gong)質料之間組(zu)成(cheng)(cheng)耐(nai)火質料，如(ru)用工(gong)業(ye)氧(yang)(yang)化(hua)(hua)鋁(lv)(lv)(lv)與(yu)鈦(tai)白(bai)粉(fen)組(zu)成(cheng)(cheng)鈦(tai)酸鋁(lv)(lv)(lv);鋁(lv)(lv)(lv)粉(fen)與(yu)氮氣(qi)化(hua)(hua)合(he)組(zu)成(cheng)(cheng)AIN(氮化(hua)(hua)鋁(lv)(lv)(lv));工(gong)業(ye)氧(yang)(yang)化(hua)(hua)鋁(lv)(lv)(lv)與(yu)高純(chun)(chun)超細的氮化(hua)(hua)鋁(lv)(lv)(lv)粉(fen)組(zu)成(cheng)(cheng)Alon(阿隆);用輕質碳酸鈣(gai)與(yu)工(gong)業(ye)氧(yang)(yang)化(hua)(hua)鋁(lv)(lv)(lv)，按CA6的CaO與(yu)Al?O?的化(hua)(hua)學(xue)計量比例配料，組(zu)成(cheng)(cheng)六鋁(lv)(lv)(lv)酸鈣(gai);用鈦(tai)白(bai)粉(fen)和金屬鋁(lv)(lv)(lv)粉(fen)在流(liu)動(dong)氨氣(qi)效果下，原(yuan)位生成(cheng)(cheng)Al?O?-TiN復相資(zi)料等。

所(suo)謂組成(cheng)(cheng)耐火(huo)質料(liao)，就是(shi)將兩種或(huo)兩種以上的天然礦藏(zang)質料(liao)或(huo)化工質料(liao)或(huo)廢(fei)棄(qi)物，通(tong)過配(pei)料(liao)、粉碎(sui)，磨細(xi)，混合，成(cheng)(cheng)型，煅燒(shao)或(huo)電熔等工藝進程，合成(cheng)(cheng)鎂(mei)鐵鈣砂(sha)制(zhi)取必(bi)定化學礦藏(zang)組成(cheng)(cheng)和物理性能(neng)的耐火(huo)質料(liao)。