
今天南陽鈣粉廠家跟我們講(jiang)講(jiang)活(huo)性碳(tan)(tan)(tan)酸鈣(gai)(gai)的(de)(de)生(sheng)(sheng)產(chan)(chan)工(gong)藝(yi),讓(rang)我們可以更好的(de)(de)了解我們的(de)(de)產(chan)(chan)品(pin)。活(huo)性碳(tan)(tan)(tan)酸鈣(gai)(gai)的(de)(de)生(sheng)(sheng)產(chan)(chan)工(gong)藝(yi)與生(sheng)(sheng)產(chan)(chan)輕質碳(tan)(tan)(tan)酸鈣(gai)(gai)大致相(xiang)同,但(dan)在碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)這一工(gong)序(xu)中應嚴(yan)格操(cao)控條件,使生(sheng)(sheng)成(cheng)微細的(de)(de)碳(tan)(tan)(tan)酸鈣(gai)(gai)顆粒,再用(yong)活(huo)化(hua)(hua)(hua)(hua)劑進(jin)(jin)行表面(mian)(mian)(mian)處理(li)(li)。行將石灰石與煤混合,其配比約7.5左右,于900-1000℃ 溫度(du)下在石灰窯中緞燒,二氧化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)經洗氣除(chu)塵后送碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)塔,生(sheng)(sheng)石灰進(jin)(jin)消(xiao)化(hua)(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)(de)熱水充(chong)分消(xiao)化(hua)(hua)(hua)(hua),制成(cheng)濃(nong)度(du)約9%的(de)(de)乳液(ye),進(jin)(jin)入(ru)碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)塔,通二氧化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)進(jin)(jin)行碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)(hua)(hua)時(shi)懸浮液(ye)的(de)(de)PH值(zhi)等于7時(shi)為(wei)反(fan)響終點,此時(shi)可引入(ru)活(huo)化(hua)(hua)(hua)(hua)劑,對生(sheng)(sheng)成(cheng)的(de)(de)碳(tan)(tan)(tan)酸鈣(gai)(gai)進(jin)(jin)行表面(mian)(mian)(mian)處理(li)(li)。有(you)干法表面(mian)(mian)(mian)處理(li)(li)和濕法表面(mian)(mian)(mian)處理(li)(li), 一般(ban)選用(yong)濕法表面(mian)(mian)(mian)處理(li)(li)工(gong)藝(yi),因該法可制得活(huo)化(hua)(hua)(hua)(hua)度(du)高,松散(san)功用(yong)好,透明性高的(de)(de)活(huo)性碳(tan)(tan)(tan)酸鈣(gai)(gai)。目前(qian)增加活(huo)化(hua)(hua)(hua)(hua)劑一般(ban)有(you)酞酸酯(zhi)偶聯劑、硬脂酸、木(mu)質素(su)等,用(yong)量(liang)約1%-5%。完成(cheng)了前(qian)面(mian)(mian)(mian)的(de)(de)化(hua)(hua)(hua)(hua)學處理(li)(li)后,對料液(ye)脫水分別、單調制得白(bai)度(du)高的(de)(de)制品(pin)。