
今天南陽鈣粉廠家跟我(wo)(wo)們(men)講(jiang)講(jiang)活(huo)(huo)性(xing)(xing)碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)的(de)生(sheng)(sheng)產工(gong)藝,讓我(wo)(wo)們(men)可(ke)以更好(hao)的(de)了(le)解我(wo)(wo)們(men)的(de)產品。活(huo)(huo)性(xing)(xing)碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)的(de)生(sheng)(sheng)產工(gong)藝與生(sheng)(sheng)產輕質碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)大致相同,但在碳(tan)(tan)化(hua)(hua)(hua)(hua)這一(yi)工(gong)序中應嚴格操控(kong)條件,使生(sheng)(sheng)成(cheng)微(wei)細的(de)碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)顆粒,再用(yong)活(huo)(huo)化(hua)(hua)(hua)(hua)劑(ji)(ji)(ji)進行表(biao)(biao)面(mian)(mian)(mian)處理。行將(jiang)石灰(hui)石與煤混合,其配比約7.5左右,于(yu)(yu)900-1000℃ 溫度(du)(du)下在石灰(hui)窯中緞燒,二(er)氧化(hua)(hua)(hua)(hua)碳(tan)(tan)經(jing)洗氣除塵后送碳(tan)(tan)化(hua)(hua)(hua)(hua)塔,生(sheng)(sheng)石灰(hui)進消化(hua)(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)熱水充分消化(hua)(hua)(hua)(hua),制成(cheng)濃度(du)(du)約9%的(de)乳液(ye),進入(ru)碳(tan)(tan)化(hua)(hua)(hua)(hua)塔,通二(er)氧化(hua)(hua)(hua)(hua)碳(tan)(tan)進行碳(tan)(tan)化(hua)(hua)(hua)(hua),當碳(tan)(tan)化(hua)(hua)(hua)(hua)時懸浮液(ye)的(de)PH值等于(yu)(yu)7時為反響(xiang)終點,此時可(ke)引入(ru)活(huo)(huo)化(hua)(hua)(hua)(hua)劑(ji)(ji)(ji),對(dui)生(sheng)(sheng)成(cheng)的(de)碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)進行表(biao)(biao)面(mian)(mian)(mian)處理。有(you)干法(fa)表(biao)(biao)面(mian)(mian)(mian)處理和濕法(fa)表(biao)(biao)面(mian)(mian)(mian)處理, 一(yi)般選用(yong)濕法(fa)表(biao)(biao)面(mian)(mian)(mian)處理工(gong)藝,因該(gai)法(fa)可(ke)制得活(huo)(huo)化(hua)(hua)(hua)(hua)度(du)(du)高,松散功用(yong)好(hao),透(tou)明性(xing)(xing)高的(de)活(huo)(huo)性(xing)(xing)碳(tan)(tan)酸(suan)(suan)(suan)鈣(gai)。目前增加活(huo)(huo)化(hua)(hua)(hua)(hua)劑(ji)(ji)(ji)一(yi)般有(you)酞酸(suan)(suan)(suan)酯(zhi)偶聯劑(ji)(ji)(ji)、硬脂酸(suan)(suan)(suan)、木質素等,用(yong)量約1%-5%。完(wan)成(cheng)了(le)前面(mian)(mian)(mian)的(de)化(hua)(hua)(hua)(hua)學(xue)處理后,對(dui)料液(ye)脫(tuo)水分別、單調制得白度(du)(du)高的(de)制品。