
今天南陽鈣粉廠家跟(gen)我(wo)們(men)講(jiang)講(jiang)活(huo)(huo)性碳(tan)酸(suan)鈣的(de)(de)(de)生(sheng)產(chan)工(gong)(gong)藝,讓我(wo)們(men)可以更好的(de)(de)(de)了解我(wo)們(men)的(de)(de)(de)產(chan)品。活(huo)(huo)性碳(tan)酸(suan)鈣的(de)(de)(de)生(sheng)產(chan)工(gong)(gong)藝與生(sheng)產(chan)輕質碳(tan)酸(suan)鈣大致相(xiang)同,但在碳(tan)化(hua)(hua)(hua)這一(yi)工(gong)(gong)序中應嚴格(ge)操(cao)控(kong)條件,使生(sheng)成(cheng)(cheng)微細的(de)(de)(de)碳(tan)酸(suan)鈣顆(ke)粒(li),再用(yong)(yong)活(huo)(huo)化(hua)(hua)(hua)劑(ji)進行(xing)(xing)表(biao)(biao)面處(chu)(chu)理(li)。行(xing)(xing)將石(shi)(shi)灰(hui)(hui)石(shi)(shi)與煤混合(he),其配比約(yue)7.5左右,于900-1000℃ 溫度(du)下(xia)在石(shi)(shi)灰(hui)(hui)窯中緞燒,二(er)氧(yang)化(hua)(hua)(hua)碳(tan)經洗(xi)氣(qi)除塵(chen)后(hou)送(song)碳(tan)化(hua)(hua)(hua)塔,生(sheng)石(shi)(shi)灰(hui)(hui)進消化(hua)(hua)(hua)槽,用(yong)(yong)80-90℃ 的(de)(de)(de)熱水(shui)(shui)充分消化(hua)(hua)(hua),制(zhi)成(cheng)(cheng)濃度(du)約(yue)9%的(de)(de)(de)乳(ru)液,進入(ru)(ru)碳(tan)化(hua)(hua)(hua)塔,通二(er)氧(yang)化(hua)(hua)(hua)碳(tan)進行(xing)(xing)碳(tan)化(hua)(hua)(hua),當碳(tan)化(hua)(hua)(hua)時懸浮液的(de)(de)(de)PH值等(deng)于7時為反響(xiang)終(zhong)點,此時可引入(ru)(ru)活(huo)(huo)化(hua)(hua)(hua)劑(ji),對(dui)生(sheng)成(cheng)(cheng)的(de)(de)(de)碳(tan)酸(suan)鈣進行(xing)(xing)表(biao)(biao)面處(chu)(chu)理(li)。有干法表(biao)(biao)面處(chu)(chu)理(li)和濕法表(biao)(biao)面處(chu)(chu)理(li), 一(yi)般選用(yong)(yong)濕法表(biao)(biao)面處(chu)(chu)理(li)工(gong)(gong)藝,因該法可制(zhi)得(de)活(huo)(huo)化(hua)(hua)(hua)度(du)高(gao),松散功用(yong)(yong)好,透明性高(gao)的(de)(de)(de)活(huo)(huo)性碳(tan)酸(suan)鈣。目(mu)前(qian)增加活(huo)(huo)化(hua)(hua)(hua)劑(ji)一(yi)般有酞(tai)酸(suan)酯偶聯(lian)劑(ji)、硬脂(zhi)酸(suan)、木質素(su)等(deng),用(yong)(yong)量約(yue)1%-5%。完(wan)成(cheng)(cheng)了前(qian)面的(de)(de)(de)化(hua)(hua)(hua)學處(chu)(chu)理(li)后(hou),對(dui)料液脫水(shui)(shui)分別、單調制(zhi)得(de)白度(du)高(gao)的(de)(de)(de)制(zhi)品。