
今天南陽鈣粉廠家跟(gen)我們講(jiang)講(jiang)活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣的生(sheng)(sheng)產工(gong)藝(yi),讓(rang)我們可以更好(hao)的了(le)解我們的產品(pin)。活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣的生(sheng)(sheng)產工(gong)藝(yi)與(yu)生(sheng)(sheng)產輕質碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣大(da)致相同,但在碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)這一工(gong)序中應嚴格操控條件,使生(sheng)(sheng)成(cheng)微細的碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣顆粒,再用(yong)活(huo)化(hua)(hua)(hua)劑(ji)進(jin)行表(biao)面(mian)(mian)處理(li)(li)(li)。行將石(shi)灰石(shi)與(yu)煤(mei)混合,其配比約(yue)7.5左右,于900-1000℃ 溫度下在石(shi)灰窯中緞(duan)燒,二氧化(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)經洗氣除塵后送碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),生(sheng)(sheng)石(shi)灰進(jin)消(xiao)(xiao)化(hua)(hua)(hua)槽,用(yong)80-90℃ 的熱水充(chong)分(fen)消(xiao)(xiao)化(hua)(hua)(hua),制成(cheng)濃度約(yue)9%的乳(ru)液,進(jin)入碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),通二氧化(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)進(jin)行碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua),當碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)時懸浮液的PH值等(deng)于7時為反響(xiang)終點,此時可引入活(huo)化(hua)(hua)(hua)劑(ji),對生(sheng)(sheng)成(cheng)的碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣進(jin)行表(biao)面(mian)(mian)處理(li)(li)(li)。有(you)干法表(biao)面(mian)(mian)處理(li)(li)(li)和濕法表(biao)面(mian)(mian)處理(li)(li)(li), 一般(ban)選用(yong)濕法表(biao)面(mian)(mian)處理(li)(li)(li)工(gong)藝(yi),因該法可制得活(huo)化(hua)(hua)(hua)度高(gao)(gao)(gao),松散功用(yong)好(hao),透明性(xing)(xing)高(gao)(gao)(gao)的活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)(suan)鈣。目(mu)前增加活(huo)化(hua)(hua)(hua)劑(ji)一般(ban)有(you)酞酸(suan)(suan)(suan)酯偶聯劑(ji)、硬脂酸(suan)(suan)(suan)、木質素等(deng),用(yong)量(liang)約(yue)1%-5%。完成(cheng)了(le)前面(mian)(mian)的化(hua)(hua)(hua)學處理(li)(li)(li)后,對料液脫(tuo)水分(fen)別、單調制得白度高(gao)(gao)(gao)的制品(pin)。