
今天南陽鈣粉廠家跟我們(men)講(jiang)講(jiang)活(huo)(huo)性碳(tan)(tan)(tan)(tan)酸鈣(gai)的(de)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)工藝(yi),讓我們(men)可以更好的(de)了解(jie)我們(men)的(de)產(chan)(chan)(chan)品(pin)。活(huo)(huo)性碳(tan)(tan)(tan)(tan)酸鈣(gai)的(de)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)工藝(yi)與生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)(chan)輕質碳(tan)(tan)(tan)(tan)酸鈣(gai)大(da)致相同(tong),但在碳(tan)(tan)(tan)(tan)化(hua)(hua)這一工序中應(ying)嚴(yan)格操(cao)控條件,使生(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)微細的(de)碳(tan)(tan)(tan)(tan)酸鈣(gai)顆粒,再用活(huo)(huo)化(hua)(hua)劑(ji)進(jin)行表(biao)面(mian)處(chu)理。行將石(shi)灰(hui)(hui)石(shi)與煤混合,其配比(bi)約(yue)7.5左右(you),于900-1000℃ 溫度(du)(du)下(xia)在石(shi)灰(hui)(hui)窯(yao)中緞燒,二氧化(hua)(hua)碳(tan)(tan)(tan)(tan)經(jing)洗氣除塵后送碳(tan)(tan)(tan)(tan)化(hua)(hua)塔,生(sheng)(sheng)(sheng)(sheng)石(shi)灰(hui)(hui)進(jin)消化(hua)(hua)槽,用80-90℃ 的(de)熱(re)水(shui)充分(fen)消化(hua)(hua),制(zhi)成(cheng)(cheng)濃度(du)(du)約(yue)9%的(de)乳液(ye),進(jin)入碳(tan)(tan)(tan)(tan)化(hua)(hua)塔,通二氧化(hua)(hua)碳(tan)(tan)(tan)(tan)進(jin)行碳(tan)(tan)(tan)(tan)化(hua)(hua),當(dang)碳(tan)(tan)(tan)(tan)化(hua)(hua)時懸浮液(ye)的(de)PH值等(deng)于7時為(wei)反響終點(dian),此時可引入活(huo)(huo)化(hua)(hua)劑(ji),對生(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)的(de)碳(tan)(tan)(tan)(tan)酸鈣(gai)進(jin)行表(biao)面(mian)處(chu)理。有干法(fa)表(biao)面(mian)處(chu)理和濕法(fa)表(biao)面(mian)處(chu)理, 一般(ban)選用濕法(fa)表(biao)面(mian)處(chu)理工藝(yi),因該法(fa)可制(zhi)得(de)活(huo)(huo)化(hua)(hua)度(du)(du)高(gao)(gao),松散功(gong)用好,透(tou)明(ming)性高(gao)(gao)的(de)活(huo)(huo)性碳(tan)(tan)(tan)(tan)酸鈣(gai)。目(mu)前增(zeng)加活(huo)(huo)化(hua)(hua)劑(ji)一般(ban)有酞酸酯(zhi)偶聯(lian)劑(ji)、硬(ying)脂酸、木質素等(deng),用量約(yue)1%-5%。完成(cheng)(cheng)了前面(mian)的(de)化(hua)(hua)學處(chu)理后,對料液(ye)脫水(shui)分(fen)別、單(dan)調制(zhi)得(de)白(bai)度(du)(du)高(gao)(gao)的(de)制(zhi)品(pin)。