鎂鈣砂

 可用天然(ran)礦藏質料本身之間的檔次不(bu)同配(pei)料組成，如(ru)莫(mo)來石(shi)(shi)(shi)(shi)(shi)，也可不(bu)同天然(ran)礦藏質料配(pei)料組成，如(ru)用高(gao)鋁(lv)礬土與(yu)鋯英(ying)石(shi)(shi)(shi)(shi)(shi)精礦組成鋯莫(mo)來石(shi)(shi)(shi)(shi)(shi);高(gao)鋁(lv)礬土與(yu)菱鎂(mei)礦組成鋁(lv)鎂(mei)尖(jian)晶石(shi)(shi)(shi)(shi)(shi);菱鎂(mei)礦與(yu)白云石(shi)(shi)(shi)(shi)(shi)組成鎂(mei)鈣(gai)砂;用高(gao)鈣(gai)菱鎂(mei)礦與(yu)鐵(tie)精礦配(pei)料組成鎂(mei)鐵(tie)鈣(gai)砂;菱鎂(mei)礦與(yu)鋯英(ying)石(shi)(shi)(shi)(shi)(shi)組成鎂(mei)鋯砂;葉蠟石(shi)(shi)(shi)(shi)(shi)與(yu)滑石(shi)(shi)(shi)(shi)(shi)組成堇(jin)青石(shi)(shi)(shi)(shi)(shi);用菱鎂(mei)礦與(yu)二級高(gao)鋁(lv)礬土熟料配(pei)料，焦炭作(zuo)為還原(yuan)(yuan)劑，通過碳熱還原(yuan)(yuan)氮化組成Sialon—尖(jian)晶石(shi)(shi)(shi)(shi)(shi)復(fu)相資料;藍晶石(shi)(shi)(shi)(shi)(shi)與(yu)石(shi)(shi)(shi)(shi)(shi)墨配(pei)料，原(yuan)(yuan)位組成AlN—SiC復(fu)相資料等。

所謂組(zu)(zu)成(cheng)(cheng)(cheng)耐(nai)火質料(liao)(liao)，就是將兩種(zhong)(zhong)或兩種(zhong)(zhong)以上的天然礦藏質料(liao)(liao)或化工(gong)質料(liao)(liao)或廢棄物，通過配料(liao)(liao)、粉碎(sui)，磨細，混合，成(cheng)(cheng)(cheng)型，煅燒(shao)或電熔等工(gong)藝進程，合成(cheng)(cheng)(cheng)鎂(mei)鐵(tie)鈣(gai)砂制取(qu)必定化學礦藏組(zu)(zu)成(cheng)(cheng)(cheng)和物理性能(neng)的耐(nai)火質料(liao)(liao)。組(zu)(zu)成(cheng)(cheng)(cheng)耐(nai)火質料(liao)(liao)的品種(zhong)(zhong)繁(fan)復，組(zu)(zu)成(cheng)(cheng)(cheng)辦法多種(zhong)(zhong)多樣(yang)，大體簡略介(jie)紹(shao)：

 純化(hua)工質(zhi)料(liao)(liao)之間組成(cheng)耐火質(zhi)料(liao)(liao)，如用(yong)工業(ye)(ye)(ye)氧(yang)化(hua)鋁(lv)(lv)與(yu)鈦白粉(fen)組成(cheng)鈦酸鋁(lv)(lv);鋁(lv)(lv)粉(fen)與(yu)氮氣化(hua)合(he)組成(cheng)AIN(氮化(hua)鋁(lv)(lv));工業(ye)(ye)(ye)氧(yang)化(hua)鋁(lv)(lv)與(yu)高純超細的氮化(hua)鋁(lv)(lv)粉(fen)組成(cheng)Alon(阿隆(long));用(yong)輕(qing)質(zhi)碳酸鈣與(yu)工業(ye)(ye)(ye)氧(yang)化(hua)鋁(lv)(lv)，按CA6的CaO與(yu)Al?O?的化(hua)學計(ji)量(liang)比例配料(liao)(liao)，組成(cheng)六鋁(lv)(lv)酸鈣;用(yong)鈦白粉(fen)和金屬鋁(lv)(lv)粉(fen)在流動(dong)氨氣效果下，原(yuan)位生成(cheng)Al?O?-TiN復(fu)相資料(liao)(liao)等。

所謂(wei)組成(cheng)耐(nai)火質(zhi)料，就是將兩種或(huo)兩種以上的天然礦藏(zang)質(zhi)料或(huo)化(hua)(hua)工質(zhi)料或(huo)廢棄(qi)物，通過配料、粉碎，磨細，混合(he)，成(cheng)型，煅燒或(huo)電(dian)熔等(deng)工藝進程(cheng)，合(he)成(cheng)鎂鐵鈣砂制取必定(ding)化(hua)(hua)學礦藏(zang)組成(cheng)和物理(li)性(xing)能(neng)的耐(nai)火質(zhi)料。