
今天南陽鈣粉廠家跟我(wo)(wo)們講講活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)(de)生(sheng)(sheng)產工(gong)藝(yi),讓我(wo)(wo)們可以(yi)更好(hao)的(de)(de)了解(jie)我(wo)(wo)們的(de)(de)產品(pin)。活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)(de)生(sheng)(sheng)產工(gong)藝(yi)與生(sheng)(sheng)產輕(qing)質(zhi)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)大(da)致相同,但在(zai)碳(tan)(tan)(tan)化(hua)(hua)(hua)這(zhe)一(yi)工(gong)序中應(ying)嚴格操(cao)控條(tiao)件,使生(sheng)(sheng)成(cheng)(cheng)微細的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)顆粒(li),再用(yong)活(huo)化(hua)(hua)(hua)劑(ji)進(jin)行(xing)(xing)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理。行(xing)(xing)將石灰(hui)(hui)石與煤混(hun)合,其配比約(yue)7.5左右(you),于900-1000℃ 溫度下(xia)在(zai)石灰(hui)(hui)窯中緞燒,二氧(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)經洗氣除(chu)塵(chen)后送碳(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),生(sheng)(sheng)石灰(hui)(hui)進(jin)消化(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)(de)熱水(shui)充(chong)分消化(hua)(hua)(hua),制(zhi)成(cheng)(cheng)濃度約(yue)9%的(de)(de)乳(ru)液,進(jin)入(ru)碳(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),通二氧(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)進(jin)行(xing)(xing)碳(tan)(tan)(tan)化(hua)(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)(hua)時懸浮液的(de)(de)PH值(zhi)等于7時為(wei)反響終點,此時可引入(ru)活(huo)化(hua)(hua)(hua)劑(ji),對生(sheng)(sheng)成(cheng)(cheng)的(de)(de)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)進(jin)行(xing)(xing)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理。有(you)干(gan)法(fa)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理和(he)濕法(fa)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理, 一(yi)般選用(yong)濕法(fa)表(biao)面(mian)(mian)處(chu)(chu)(chu)(chu)理工(gong)藝(yi),因該法(fa)可制(zhi)得(de)活(huo)化(hua)(hua)(hua)度高(gao),松散功用(yong)好(hao),透(tou)明(ming)性(xing)(xing)高(gao)的(de)(de)活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣(gai)(gai)。目前增加活(huo)化(hua)(hua)(hua)劑(ji)一(yi)般有(you)酞酸(suan)酯偶聯劑(ji)、硬脂酸(suan)、木質(zhi)素等,用(yong)量約(yue)1%-5%。完成(cheng)(cheng)了前面(mian)(mian)的(de)(de)化(hua)(hua)(hua)學處(chu)(chu)(chu)(chu)理后,對料液脫(tuo)水(shui)分別、單調制(zhi)得(de)白度高(gao)的(de)(de)制(zhi)品(pin)。