
今天南陽鈣粉廠家跟我們講講活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)的(de)生(sheng)(sheng)(sheng)產(chan)(chan)工藝(yi),讓(rang)我們可以(yi)更好(hao)的(de)了解我們的(de)產(chan)(chan)品。活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)的(de)生(sheng)(sheng)(sheng)產(chan)(chan)工藝(yi)與生(sheng)(sheng)(sheng)產(chan)(chan)輕(qing)質碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)大(da)致相同,但在碳(tan)(tan)(tan)化(hua)這一工序中應嚴格操控條件,使生(sheng)(sheng)(sheng)成(cheng)微細(xi)的(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)顆粒,再用(yong)(yong)(yong)活(huo)化(hua)劑(ji)進(jin)(jin)(jin)(jin)行(xing)表(biao)面處(chu)理(li)。行(xing)將石灰(hui)石與煤混合,其配比(bi)約7.5左右,于900-1000℃ 溫度下在石灰(hui)窯中緞燒,二氧(yang)化(hua)碳(tan)(tan)(tan)經(jing)洗氣除(chu)塵后送碳(tan)(tan)(tan)化(hua)塔(ta),生(sheng)(sheng)(sheng)石灰(hui)進(jin)(jin)(jin)(jin)消化(hua)槽,用(yong)(yong)(yong)80-90℃ 的(de)熱(re)水充分消化(hua),制成(cheng)濃度約9%的(de)乳液(ye),進(jin)(jin)(jin)(jin)入碳(tan)(tan)(tan)化(hua)塔(ta),通二氧(yang)化(hua)碳(tan)(tan)(tan)進(jin)(jin)(jin)(jin)行(xing)碳(tan)(tan)(tan)化(hua),當碳(tan)(tan)(tan)化(hua)時(shi)懸浮液(ye)的(de)PH值等于7時(shi)為反響終點,此時(shi)可引入活(huo)化(hua)劑(ji),對生(sheng)(sheng)(sheng)成(cheng)的(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)進(jin)(jin)(jin)(jin)行(xing)表(biao)面處(chu)理(li)。有干法表(biao)面處(chu)理(li)和濕法表(biao)面處(chu)理(li), 一般(ban)選用(yong)(yong)(yong)濕法表(biao)面處(chu)理(li)工藝(yi),因該法可制得活(huo)化(hua)度高,松散功用(yong)(yong)(yong)好(hao),透明性(xing)(xing)高的(de)活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)(gai)(gai)。目前增加活(huo)化(hua)劑(ji)一般(ban)有酞酸(suan)酯偶(ou)聯劑(ji)、硬脂(zhi)酸(suan)、木質素等,用(yong)(yong)(yong)量(liang)約1%-5%。完成(cheng)了前面的(de)化(hua)學處(chu)理(li)后,對料液(ye)脫水分別、單調制得白度高的(de)制品。