萬州重燒鎂砂的(de)生(sheng)產工藝：重(zhong)燒鎂(mei)砂(sha)(sha)主要是(shi)選用(yong)(yong)46%含量的(de)天然菱鎂(mei)石礦(kuang)，經高溫(wen)堅窯煅燒而成(cheng)的(de)。重(zhong)燒鎂(mei)砂(sha)(sha)的(de)用(yong)(yong)途(tu)：重(zhong)燒鎂(mei)砂(sha)(sha)主要制鎂(mei)磚及(ji)生(sheng)產不定型耐火材料的(de)原料，成(cheng)品用(yong)(yong)于煉鋼、電爐(lu)爐(lu)底和搗(dao)打爐(lu)。

重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)主要(yao)是采(cai)用46.5%含量的(de)(de)菱(ling)鎂(mei)(mei)礦石，經過高溫豎窯在1500℃1-800℃左(zuo)右煅燒(shao)(shao)而成。產品顏(yan)色屬(shu)于(yu)黃褐色，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)產品主要(yao)含有的(de)(de)成分(fen)有氧(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)、氧(yang)(yang)化(hua)(hua)(hua)(hua)鈣、二(er)氧(yang)(yang)化(hua)(hua)(hua)(hua)硅、三(san)氧(yang)(yang)化(hua)(hua)(hua)(hua)二(er)鐵(tie)、三(san)氧(yang)(yang)化(hua)(hua)(hua)(hua)二(er)鋁、燒(shao)(shao)堿，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)Mgo氧(yang)(yang)化(hua)(hua)(hua)(hua)鎂(mei)(mei)主要(yao)含量有80%、82%、85%、88%、90%、91%、92%、93%、重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)中(zhong)(zhong)氧(yang)(yang)化(hua)(hua)(hua)(hua)鈣的(de)(de)成分(fen)在2.5%左(zuo)右，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)中(zhong)(zhong)的(de)(de)二(er)氧(yang)(yang)化(hua)(hua)(hua)(hua)硅成分(fen)在3.5%-7%之間，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)中(zhong)(zhong)的(de)(de)三(san)氧(yang)(yang)化(hua)(hua)(hua)(hua)二(er)鐵(tie)含量0.8%-1.5%之間，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)中(zhong)(zhong)的(de)(de)三(san)氧(yang)(yang)化(hua)(hua)(hua)(hua)二(er)鋁含量1%左(zuo)右，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)中(zhong)(zhong)的(de)(de)燒(shao)(shao)堿含量在1%一下，重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)主要(yao)應用在制(zhi)磚(zhuan)及生產不(bu)定(ding)型耐火材料的(de)(de)主要(yao)理想原料，另(ling)外重(zhong)(zhong)(zhong)燒(shao)(shao)鎂(mei)(mei)砂(sha)(sha)產品主要(yao)還可以應用于(yu)煉鋼、電爐(lu)爐(lu)底和搗打爐(lu)襯(chen)等(deng)行業使用。

重燒(shao)(shao)鎂(mei)砂主要(yao)的品種有80%含(han)(han)量、85含(han)(han)量、87%含(han)(han)量、90%含(han)(han)量、91%含(han)(han)量、92%含(han)(han)量、93%含(han)(han)量，這些品種的重燒(shao)(shao)鎂(mei)砂主要(yao)是(shi)選用(yong)46.5%以上菱鎂(mei)礦石，經(jing)燒(shao)(shao)結窯煅(duan)燒(shao)(shao)加熱(re)至1400 —1800℃時Mg(CO3)完(wan)全分解，生成方鎂(mei)石，成為堅硬紅褐色的重燒(shao)(shao)鎂(mei)，它具有很高的耐火度。重燒(shao)(shao)鎂(mei)砂主要(yao)是(shi)用(yong)于鎂(mei)磚、煉鋼、電爐爐底(di)和搗打爐襯。