
今天南陽鈣粉廠家跟我(wo)(wo)們(men)(men)講講活(huo)性(xing)碳(tan)(tan)酸鈣(gai)的(de)(de)(de)(de)生(sheng)產工(gong)藝(yi),讓我(wo)(wo)們(men)(men)可(ke)以更(geng)好的(de)(de)(de)(de)了(le)解我(wo)(wo)們(men)(men)的(de)(de)(de)(de)產品。活(huo)性(xing)碳(tan)(tan)酸鈣(gai)的(de)(de)(de)(de)生(sheng)產工(gong)藝(yi)與生(sheng)產輕(qing)質碳(tan)(tan)酸鈣(gai)大(da)致相(xiang)同,但在碳(tan)(tan)化(hua)(hua)這一(yi)工(gong)序中應嚴格操(cao)控(kong)條件(jian),使生(sheng)成(cheng)(cheng)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)(biao)面(mian)處(chu)(chu)(chu)理(li)。行(xing)將石(shi)灰石(shi)與煤混合,其配比約7.5左(zuo)右,于900-1000℃ 溫度(du)下在石(shi)灰窯中緞(duan)燒,二(er)氧(yang)化(hua)(hua)碳(tan)(tan)經洗氣除塵后送碳(tan)(tan)化(hua)(hua)塔,生(sheng)石(shi)灰進(jin)(jin)消化(hua)(hua)槽,用(yong)(yong)80-90℃ 的(de)(de)(de)(de)熱水充(chong)分消化(hua)(hua),制成(cheng)(cheng)濃度(du)約9%的(de)(de)(de)(de)乳液,進(jin)(jin)入(ru)碳(tan)(tan)化(hua)(hua)塔,通二(er)氧(yang)化(hua)(hua)碳(tan)(tan)進(jin)(jin)行(xing)碳(tan)(tan)化(hua)(hua),當(dang)碳(tan)(tan)化(hua)(hua)時懸浮液的(de)(de)(de)(de)PH值等(deng)于7時為反響終點,此(ci)時可(ke)引入(ru)活(huo)化(hua)(hua)劑(ji),對生(sheng)成(cheng)(cheng)的(de)(de)(de)(de)碳(tan)(tan)酸鈣(gai)進(jin)(jin)行(xing)表(biao)(biao)面(mian)處(chu)(chu)(chu)理(li)。有干(gan)法表(biao)(biao)面(mian)處(chu)(chu)(chu)理(li)和濕法表(biao)(biao)面(mian)處(chu)(chu)(chu)理(li), 一(yi)般(ban)選(xuan)用(yong)(yong)濕法表(biao)(biao)面(mian)處(chu)(chu)(chu)理(li)工(gong)藝(yi),因(yin)該法可(ke)制得(de)活(huo)化(hua)(hua)度(du)高(gao)(gao),松散功用(yong)(yong)好,透明性(xing)高(gao)(gao)的(de)(de)(de)(de)活(huo)性(xing)碳(tan)(tan)酸鈣(gai)。目(mu)前增加活(huo)化(hua)(hua)劑(ji)一(yi)般(ban)有酞酸酯偶聯劑(ji)、硬脂酸、木質素等(deng),用(yong)(yong)量約1%-5%。完成(cheng)(cheng)了(le)前面(mian)的(de)(de)(de)(de)化(hua)(hua)學處(chu)(chu)(chu)理(li)后,對料液脫水分別、單(dan)調制得(de)白度(du)高(gao)(gao)的(de)(de)(de)(de)制品。