
今天南陽鈣粉廠家跟我(wo)們(men)講(jiang)講(jiang)活(huo)(huo)性(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)工(gong)藝(yi),讓(rang)我(wo)們(men)可(ke)以更(geng)好的(de)(de)(de)了(le)解(jie)我(wo)們(men)的(de)(de)(de)產(chan)品。活(huo)(huo)性(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣的(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)工(gong)藝(yi)與生(sheng)(sheng)(sheng)產(chan)輕質(zhi)(zhi)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣大致(zhi)相(xiang)同,但在碳(tan)(tan)(tan)(tan)化(hua)這一(yi)工(gong)序中應嚴格(ge)操(cao)控(kong)條件,使生(sheng)(sheng)(sheng)成微細的(de)(de)(de)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣顆粒,再(zai)用(yong)(yong)活(huo)(huo)化(hua)劑進(jin)行表(biao)(biao)面(mian)處(chu)理(li)(li)(li)(li)。行將石(shi)灰石(shi)與煤混合,其配比約7.5左右,于(yu)900-1000℃ 溫度(du)下在石(shi)灰窯中緞燒,二(er)氧(yang)化(hua)碳(tan)(tan)(tan)(tan)經洗氣除塵后(hou)送碳(tan)(tan)(tan)(tan)化(hua)塔,生(sheng)(sheng)(sheng)石(shi)灰進(jin)消(xiao)化(hua)槽,用(yong)(yong)80-90℃ 的(de)(de)(de)熱水充分消(xiao)化(hua),制(zhi)(zhi)成濃度(du)約9%的(de)(de)(de)乳液,進(jin)入碳(tan)(tan)(tan)(tan)化(hua)塔,通二(er)氧(yang)化(hua)碳(tan)(tan)(tan)(tan)進(jin)行碳(tan)(tan)(tan)(tan)化(hua),當碳(tan)(tan)(tan)(tan)化(hua)時(shi)懸浮(fu)液的(de)(de)(de)PH值(zhi)等于(yu)7時(shi)為反響終點(dian),此時(shi)可(ke)引入活(huo)(huo)化(hua)劑,對生(sheng)(sheng)(sheng)成的(de)(de)(de)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣進(jin)行表(biao)(biao)面(mian)處(chu)理(li)(li)(li)(li)。有干法表(biao)(biao)面(mian)處(chu)理(li)(li)(li)(li)和濕法表(biao)(biao)面(mian)處(chu)理(li)(li)(li)(li), 一(yi)般選(xuan)用(yong)(yong)濕法表(biao)(biao)面(mian)處(chu)理(li)(li)(li)(li)工(gong)藝(yi),因該法可(ke)制(zhi)(zhi)得活(huo)(huo)化(hua)度(du)高,松散功用(yong)(yong)好,透明性(xing)高的(de)(de)(de)活(huo)(huo)性(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣。目前增加活(huo)(huo)化(hua)劑一(yi)般有酞(tai)酸(suan)(suan)酯偶聯(lian)劑、硬脂(zhi)酸(suan)(suan)、木質(zhi)(zhi)素(su)等,用(yong)(yong)量約1%-5%。完成了(le)前面(mian)的(de)(de)(de)化(hua)學處(chu)理(li)(li)(li)(li)后(hou),對料液脫水分別、單(dan)調制(zhi)(zhi)得白度(du)高的(de)(de)(de)制(zhi)(zhi)品。