
今天南陽鈣粉廠家跟我們(men)講(jiang)講(jiang)活(huo)性(xing)(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)生(sheng)(sheng)產(chan)工(gong)藝(yi)(yi),讓我們(men)可(ke)以更好的(de)(de)了解我們(men)的(de)(de)產(chan)品。活(huo)性(xing)(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)的(de)(de)生(sheng)(sheng)產(chan)工(gong)藝(yi)(yi)與生(sheng)(sheng)產(chan)輕質(zhi)碳(tan)(tan)(tan)酸(suan)鈣(gai)大致相同,但在碳(tan)(tan)(tan)化(hua)(hua)這一工(gong)序中應嚴格操控條(tiao)件,使生(sheng)(sheng)成(cheng)微細的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)顆粒,再用(yong)活(huo)化(hua)(hua)劑(ji)進行表(biao)(biao)面(mian)處(chu)理(li)。行將石(shi)(shi)灰石(shi)(shi)與煤混合(he),其配比約(yue)7.5左右(you),于900-1000℃ 溫度下在石(shi)(shi)灰窯(yao)中緞燒,二氧化(hua)(hua)碳(tan)(tan)(tan)經洗氣(qi)除塵后送(song)碳(tan)(tan)(tan)化(hua)(hua)塔,生(sheng)(sheng)石(shi)(shi)灰進消(xiao)(xiao)化(hua)(hua)槽,用(yong)80-90℃ 的(de)(de)熱水(shui)充分(fen)消(xiao)(xiao)化(hua)(hua),制成(cheng)濃度約(yue)9%的(de)(de)乳液,進入碳(tan)(tan)(tan)化(hua)(hua)塔,通(tong)二氧化(hua)(hua)碳(tan)(tan)(tan)進行碳(tan)(tan)(tan)化(hua)(hua),當(dang)碳(tan)(tan)(tan)化(hua)(hua)時懸(xuan)浮(fu)液的(de)(de)PH值等于7時為反響終(zhong)點,此(ci)時可(ke)引入活(huo)化(hua)(hua)劑(ji),對(dui)生(sheng)(sheng)成(cheng)的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)進行表(biao)(biao)面(mian)處(chu)理(li)。有干法表(biao)(biao)面(mian)處(chu)理(li)和(he)濕法表(biao)(biao)面(mian)處(chu)理(li), 一般(ban)選(xuan)用(yong)濕法表(biao)(biao)面(mian)處(chu)理(li)工(gong)藝(yi)(yi),因(yin)該(gai)法可(ke)制得活(huo)化(hua)(hua)度高,松散功用(yong)好,透明性(xing)(xing)(xing)高的(de)(de)活(huo)性(xing)(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)。目前(qian)(qian)增加活(huo)化(hua)(hua)劑(ji)一般(ban)有酞(tai)酸(suan)酯偶聯劑(ji)、硬脂酸(suan)、木質(zhi)素(su)等,用(yong)量約(yue)1%-5%。完(wan)成(cheng)了前(qian)(qian)面(mian)的(de)(de)化(hua)(hua)學(xue)處(chu)理(li)后,對(dui)料液脫水(shui)分(fen)別、單調制得白度高的(de)(de)制品。