
今天南陽鈣粉廠家跟我們講(jiang)(jiang)講(jiang)(jiang)活(huo)(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)(de)生(sheng)(sheng)(sheng)(sheng)產工藝(yi),讓我們可以(yi)更好的(de)(de)了解我們的(de)(de)產品(pin)。活(huo)(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)(de)生(sheng)(sheng)(sheng)(sheng)產工藝(yi)與生(sheng)(sheng)(sheng)(sheng)產輕質(zhi)(zhi)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)大致相同,但在碳(tan)(tan)(tan)化(hua)(hua)這(zhe)一(yi)(yi)工序中應嚴格操控條件,使生(sheng)(sheng)(sheng)(sheng)成(cheng)微細的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)顆粒,再用(yong)活(huo)(huo)化(hua)(hua)劑進行(xing)表(biao)(biao)(biao)面(mian)(mian)處理(li)。行(xing)將石(shi)灰石(shi)與煤(mei)混合(he),其配(pei)比約7.5左右,于(yu)900-1000℃ 溫(wen)度下在石(shi)灰窯中緞燒,二(er)氧化(hua)(hua)碳(tan)(tan)(tan)經洗氣除塵后(hou)送碳(tan)(tan)(tan)化(hua)(hua)塔(ta),生(sheng)(sheng)(sheng)(sheng)石(shi)灰進消化(hua)(hua)槽,用(yong)80-90℃ 的(de)(de)熱水充(chong)分消化(hua)(hua),制(zhi)(zhi)成(cheng)濃度約9%的(de)(de)乳液(ye),進入碳(tan)(tan)(tan)化(hua)(hua)塔(ta),通(tong)二(er)氧化(hua)(hua)碳(tan)(tan)(tan)進行(xing)碳(tan)(tan)(tan)化(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)時懸浮液(ye)的(de)(de)PH值(zhi)等于(yu)7時為反(fan)響終點,此時可引入活(huo)(huo)化(hua)(hua)劑,對(dui)生(sheng)(sheng)(sheng)(sheng)成(cheng)的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)進行(xing)表(biao)(biao)(biao)面(mian)(mian)處理(li)。有(you)干法表(biao)(biao)(biao)面(mian)(mian)處理(li)和(he)濕法表(biao)(biao)(biao)面(mian)(mian)處理(li), 一(yi)(yi)般(ban)選用(yong)濕法表(biao)(biao)(biao)面(mian)(mian)處理(li)工藝(yi),因該法可制(zhi)(zhi)得活(huo)(huo)化(hua)(hua)度高,松散(san)功用(yong)好,透明性(xing)(xing)高的(de)(de)活(huo)(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)。目前(qian)增加活(huo)(huo)化(hua)(hua)劑一(yi)(yi)般(ban)有(you)酞酸(suan)酯偶聯劑、硬脂酸(suan)、木質(zhi)(zhi)素等,用(yong)量約1%-5%。完成(cheng)了前(qian)面(mian)(mian)的(de)(de)化(hua)(hua)學處理(li)后(hou),對(dui)料液(ye)脫水分別、單調制(zhi)(zhi)得白(bai)度高的(de)(de)制(zhi)(zhi)品(pin)。