
今天南陽鈣粉廠家跟我(wo)們(men)講講活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)(de)(de)生(sheng)產(chan)(chan)工藝(yi),讓我(wo)們(men)可以更好(hao)的(de)(de)(de)(de)了解我(wo)們(men)的(de)(de)(de)(de)產(chan)(chan)品(pin)。活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)(de)(de)生(sheng)產(chan)(chan)工藝(yi)與(yu)生(sheng)產(chan)(chan)輕(qing)質碳(tan)(tan)(tan)酸(suan)鈣(gai)大(da)致相同,但在碳(tan)(tan)(tan)化(hua)(hua)(hua)這(zhe)一(yi)(yi)工序中應嚴(yan)格操控條(tiao)件,使生(sheng)成(cheng)微細的(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)顆粒,再用(yong)活(huo)化(hua)(hua)(hua)劑(ji)進(jin)行(xing)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)處理(li)。行(xing)將(jiang)石灰石與(yu)煤混(hun)合,其配比約7.5左右,于900-1000℃ 溫度(du)下在石灰窯中緞燒(shao),二(er)氧(yang)(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)經洗氣除塵后送(song)碳(tan)(tan)(tan)化(hua)(hua)(hua)塔,生(sheng)石灰進(jin)消(xiao)化(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)(de)(de)(de)熱水充(chong)分消(xiao)化(hua)(hua)(hua),制成(cheng)濃度(du)約9%的(de)(de)(de)(de)乳液,進(jin)入碳(tan)(tan)(tan)化(hua)(hua)(hua)塔,通二(er)氧(yang)(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)進(jin)行(xing)碳(tan)(tan)(tan)化(hua)(hua)(hua),當(dang)碳(tan)(tan)(tan)化(hua)(hua)(hua)時懸浮液的(de)(de)(de)(de)PH值(zhi)等于7時為反(fan)響終點,此時可引(yin)入活(huo)化(hua)(hua)(hua)劑(ji),對生(sheng)成(cheng)的(de)(de)(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)進(jin)行(xing)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)處理(li)。有干法(fa)(fa)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)處理(li)和濕(shi)法(fa)(fa)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)處理(li), 一(yi)(yi)般選用(yong)濕(shi)法(fa)(fa)表(biao)(biao)(biao)面(mian)(mian)(mian)(mian)(mian)處理(li)工藝(yi),因該法(fa)(fa)可制得活(huo)化(hua)(hua)(hua)度(du)高(gao)(gao),松散功用(yong)好(hao),透(tou)明性(xing)(xing)高(gao)(gao)的(de)(de)(de)(de)活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)。目(mu)前(qian)增加活(huo)化(hua)(hua)(hua)劑(ji)一(yi)(yi)般有酞酸(suan)酯偶(ou)聯劑(ji)、硬脂酸(suan)、木質素等,用(yong)量約1%-5%。完成(cheng)了前(qian)面(mian)(mian)(mian)(mian)(mian)的(de)(de)(de)(de)化(hua)(hua)(hua)學(xue)處理(li)后,對料液脫水分別(bie)、單調制得白度(du)高(gao)(gao)的(de)(de)(de)(de)制品(pin)。