
今天南陽鈣粉廠家跟(gen)我(wo)們講(jiang)(jiang)講(jiang)(jiang)活性(xing)碳(tan)酸鈣(gai)的(de)生(sheng)產工(gong)藝(yi),讓我(wo)們可(ke)(ke)以更(geng)好(hao)的(de)了解我(wo)們的(de)產品。活性(xing)碳(tan)酸鈣(gai)的(de)生(sheng)產工(gong)藝(yi)與生(sheng)產輕質(zhi)碳(tan)酸鈣(gai)大致(zhi)相(xiang)同(tong),但在碳(tan)化(hua)(hua)(hua)(hua)這一工(gong)序中(zhong)應(ying)嚴格操控條件,使生(sheng)成微(wei)細的(de)碳(tan)酸鈣(gai)顆粒,再用(yong)活化(hua)(hua)(hua)(hua)劑進(jin)(jin)行(xing)表(biao)(biao)面處(chu)(chu)理(li)(li)。行(xing)將(jiang)石(shi)(shi)灰(hui)石(shi)(shi)與煤混合,其(qi)配(pei)比約7.5左右(you),于(yu)900-1000℃ 溫度下在石(shi)(shi)灰(hui)窯中(zhong)緞燒,二氧化(hua)(hua)(hua)(hua)碳(tan)經洗氣除塵后送碳(tan)化(hua)(hua)(hua)(hua)塔(ta),生(sheng)石(shi)(shi)灰(hui)進(jin)(jin)消化(hua)(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)熱水(shui)(shui)充分消化(hua)(hua)(hua)(hua),制成濃(nong)度約9%的(de)乳液,進(jin)(jin)入碳(tan)化(hua)(hua)(hua)(hua)塔(ta),通二氧化(hua)(hua)(hua)(hua)碳(tan)進(jin)(jin)行(xing)碳(tan)化(hua)(hua)(hua)(hua),當(dang)碳(tan)化(hua)(hua)(hua)(hua)時懸浮液的(de)PH值(zhi)等于(yu)7時為反響終點(dian),此(ci)時可(ke)(ke)引入活化(hua)(hua)(hua)(hua)劑,對生(sheng)成的(de)碳(tan)酸鈣(gai)進(jin)(jin)行(xing)表(biao)(biao)面處(chu)(chu)理(li)(li)。有(you)干法(fa)表(biao)(biao)面處(chu)(chu)理(li)(li)和(he)濕(shi)法(fa)表(biao)(biao)面處(chu)(chu)理(li)(li), 一般選用(yong)濕(shi)法(fa)表(biao)(biao)面處(chu)(chu)理(li)(li)工(gong)藝(yi),因該法(fa)可(ke)(ke)制得(de)活化(hua)(hua)(hua)(hua)度高,松(song)散功(gong)用(yong)好(hao),透明性(xing)高的(de)活性(xing)碳(tan)酸鈣(gai)。目前(qian)增加活化(hua)(hua)(hua)(hua)劑一般有(you)酞酸酯(zhi)偶聯劑、硬(ying)脂酸、木質(zhi)素等,用(yong)量約1%-5%。完(wan)成了前(qian)面的(de)化(hua)(hua)(hua)(hua)學處(chu)(chu)理(li)(li)后,對料液脫水(shui)(shui)分別(bie)、單調制得(de)白度高的(de)制品。