
今天南陽鈣粉廠家跟我(wo)們講講活(huo)(huo)性碳(tan)(tan)酸鈣(gai)(gai)的(de)(de)生(sheng)產(chan)工(gong)藝,讓我(wo)們可以更好的(de)(de)了解我(wo)們的(de)(de)產(chan)品(pin)。活(huo)(huo)性碳(tan)(tan)酸鈣(gai)(gai)的(de)(de)生(sheng)產(chan)工(gong)藝與生(sheng)產(chan)輕(qing)質(zhi)(zhi)碳(tan)(tan)酸鈣(gai)(gai)大致相同(tong),但在碳(tan)(tan)化(hua)(hua)這一(yi)工(gong)序(xu)中應嚴格操控條件,使生(sheng)成(cheng)微細的(de)(de)碳(tan)(tan)酸鈣(gai)(gai)顆粒,再用(yong)(yong)(yong)活(huo)(huo)化(hua)(hua)劑(ji)進(jin)行表(biao)面(mian)處(chu)(chu)理(li)(li)。行將石(shi)(shi)灰石(shi)(shi)與煤(mei)混合,其配(pei)比約(yue)7.5左右,于900-1000℃ 溫度下在石(shi)(shi)灰窯中緞燒,二氧(yang)化(hua)(hua)碳(tan)(tan)經洗氣除(chu)塵后送碳(tan)(tan)化(hua)(hua)塔(ta),生(sheng)石(shi)(shi)灰進(jin)消(xiao)化(hua)(hua)槽,用(yong)(yong)(yong)80-90℃ 的(de)(de)熱水充分消(xiao)化(hua)(hua),制成(cheng)濃度約(yue)9%的(de)(de)乳液(ye),進(jin)入(ru)碳(tan)(tan)化(hua)(hua)塔(ta),通(tong)二氧(yang)化(hua)(hua)碳(tan)(tan)進(jin)行碳(tan)(tan)化(hua)(hua),當碳(tan)(tan)化(hua)(hua)時懸浮液(ye)的(de)(de)PH值等于7時為(wei)反響終點,此時可引入(ru)活(huo)(huo)化(hua)(hua)劑(ji),對生(sheng)成(cheng)的(de)(de)碳(tan)(tan)酸鈣(gai)(gai)進(jin)行表(biao)面(mian)處(chu)(chu)理(li)(li)。有(you)干法表(biao)面(mian)處(chu)(chu)理(li)(li)和(he)濕法表(biao)面(mian)處(chu)(chu)理(li)(li), 一(yi)般選(xuan)用(yong)(yong)(yong)濕法表(biao)面(mian)處(chu)(chu)理(li)(li)工(gong)藝,因該法可制得活(huo)(huo)化(hua)(hua)度高(gao)(gao),松散功用(yong)(yong)(yong)好,透明性高(gao)(gao)的(de)(de)活(huo)(huo)性碳(tan)(tan)酸鈣(gai)(gai)。目前(qian)增(zeng)加活(huo)(huo)化(hua)(hua)劑(ji)一(yi)般有(you)酞酸酯偶聯劑(ji)、硬(ying)脂酸、木質(zhi)(zhi)素等,用(yong)(yong)(yong)量約(yue)1%-5%。完成(cheng)了前(qian)面(mian)的(de)(de)化(hua)(hua)學處(chu)(chu)理(li)(li)后,對料液(ye)脫水分別、單調(diao)制得白度高(gao)(gao)的(de)(de)制品(pin)。