
今天南陽鈣粉廠家跟我(wo)們(men)講講活(huo)性(xing)碳(tan)(tan)酸鈣(gai)的(de)(de)(de)(de)生(sheng)產(chan)工(gong)藝(yi),讓我(wo)們(men)可以更好的(de)(de)(de)(de)了解(jie)我(wo)們(men)的(de)(de)(de)(de)產(chan)品。活(huo)性(xing)碳(tan)(tan)酸鈣(gai)的(de)(de)(de)(de)生(sheng)產(chan)工(gong)藝(yi)與生(sheng)產(chan)輕質碳(tan)(tan)酸鈣(gai)大致相同,但在碳(tan)(tan)化(hua)(hua)這(zhe)一工(gong)序中應嚴(yan)格操(cao)控條件(jian),使生(sheng)成微細的(de)(de)(de)(de)碳(tan)(tan)酸鈣(gai)顆粒,再用(yong)(yong)活(huo)化(hua)(hua)劑(ji)進(jin)(jin)行(xing)表(biao)面(mian)(mian)處(chu)(chu)理。行(xing)將石灰石與煤混合,其配比(bi)約7.5左右(you),于(yu)900-1000℃ 溫度(du)下在石灰窯中緞燒,二氧化(hua)(hua)碳(tan)(tan)經洗氣除塵后送碳(tan)(tan)化(hua)(hua)塔,生(sheng)石灰進(jin)(jin)消化(hua)(hua)槽(cao),用(yong)(yong)80-90℃ 的(de)(de)(de)(de)熱水充(chong)分消化(hua)(hua),制成濃度(du)約9%的(de)(de)(de)(de)乳液(ye),進(jin)(jin)入(ru)碳(tan)(tan)化(hua)(hua)塔,通二氧化(hua)(hua)碳(tan)(tan)進(jin)(jin)行(xing)碳(tan)(tan)化(hua)(hua),當碳(tan)(tan)化(hua)(hua)時(shi)懸浮液(ye)的(de)(de)(de)(de)PH值等于(yu)7時(shi)為反響終(zhong)點(dian),此時(shi)可引入(ru)活(huo)化(hua)(hua)劑(ji),對(dui)生(sheng)成的(de)(de)(de)(de)碳(tan)(tan)酸鈣(gai)進(jin)(jin)行(xing)表(biao)面(mian)(mian)處(chu)(chu)理。有干法表(biao)面(mian)(mian)處(chu)(chu)理和(he)濕法表(biao)面(mian)(mian)處(chu)(chu)理, 一般選(xuan)用(yong)(yong)濕法表(biao)面(mian)(mian)處(chu)(chu)理工(gong)藝(yi),因該法可制得活(huo)化(hua)(hua)度(du)高(gao),松散功用(yong)(yong)好,透明性(xing)高(gao)的(de)(de)(de)(de)活(huo)性(xing)碳(tan)(tan)酸鈣(gai)。目前增加(jia)活(huo)化(hua)(hua)劑(ji)一般有酞酸酯偶聯劑(ji)、硬脂(zhi)酸、木質素等,用(yong)(yong)量約1%-5%。完成了前面(mian)(mian)的(de)(de)(de)(de)化(hua)(hua)學處(chu)(chu)理后,對(dui)料液(ye)脫水分別(bie)、單調(diao)制得白度(du)高(gao)的(de)(de)(de)(de)制品。