
今天南陽鈣粉廠家跟我(wo)們講(jiang)講(jiang)活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)生(sheng)產工(gong)(gong)(gong)藝,讓我(wo)們可以更好(hao)的(de)了解我(wo)們的(de)產品(pin)。活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)的(de)生(sheng)產工(gong)(gong)(gong)藝與生(sheng)產輕質碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)大致(zhi)相(xiang)同,但在(zai)碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)這(zhe)一工(gong)(gong)(gong)序中應嚴格操(cao)控條(tiao)件,使生(sheng)成(cheng)微細的(de)碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)顆粒,再用活(huo)化(hua)(hua)(hua)劑進(jin)(jin)行表(biao)(biao)面(mian)處(chu)理。行將石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)與煤(mei)混合(he),其配比(bi)約(yue)7.5左右,于900-1000℃ 溫度(du)下在(zai)石(shi)(shi)(shi)灰(hui)窯中緞燒(shao),二氧(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)經洗氣(qi)除塵后送碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),生(sheng)石(shi)(shi)(shi)灰(hui)進(jin)(jin)消化(hua)(hua)(hua)槽,用80-90℃ 的(de)熱(re)水充分消化(hua)(hua)(hua),制(zhi)成(cheng)濃度(du)約(yue)9%的(de)乳(ru)液,進(jin)(jin)入(ru)碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)塔(ta),通二氧(yang)化(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)進(jin)(jin)行碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua),當碳(tan)(tan)(tan)(tan)化(hua)(hua)(hua)時懸浮液的(de)PH值等于7時為反(fan)響終點,此時可引入(ru)活(huo)化(hua)(hua)(hua)劑,對生(sheng)成(cheng)的(de)碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)進(jin)(jin)行表(biao)(biao)面(mian)處(chu)理。有干法表(biao)(biao)面(mian)處(chu)理和(he)濕法表(biao)(biao)面(mian)處(chu)理, 一般(ban)選(xuan)用濕法表(biao)(biao)面(mian)處(chu)理工(gong)(gong)(gong)藝,因該(gai)法可制(zhi)得活(huo)化(hua)(hua)(hua)度(du)高,松散功用好(hao),透(tou)明性(xing)(xing)高的(de)活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)鈣(gai)(gai)。目(mu)前增加活(huo)化(hua)(hua)(hua)劑一般(ban)有酞酸(suan)酯偶聯劑、硬脂酸(suan)、木(mu)質素(su)等,用量約(yue)1%-5%。完成(cheng)了前面(mian)的(de)化(hua)(hua)(hua)學處(chu)理后,對料液脫水分別(bie)、單調制(zhi)得白度(du)高的(de)制(zhi)品(pin)。