
今天南陽鈣粉廠家跟我(wo)們(men)(men)講講活性碳(tan)(tan)酸(suan)鈣(gai)(gai)的生(sheng)產工(gong)藝,讓我(wo)們(men)(men)可(ke)以(yi)更好的了(le)解我(wo)們(men)(men)的產品。活性碳(tan)(tan)酸(suan)鈣(gai)(gai)的生(sheng)產工(gong)藝與生(sheng)產輕質碳(tan)(tan)酸(suan)鈣(gai)(gai)大(da)致相同,但在碳(tan)(tan)化(hua)(hua)(hua)這一工(gong)序中應嚴(yan)格操(cao)控條件,使(shi)生(sheng)成(cheng)微細(xi)的碳(tan)(tan)酸(suan)鈣(gai)(gai)顆(ke)粒,再(zai)用活化(hua)(hua)(hua)劑(ji)進(jin)行表面(mian)(mian)(mian)處(chu)理。行將石灰石與煤混合(he),其配比約(yue)(yue)7.5左(zuo)右,于900-1000℃ 溫(wen)度(du)下在石灰窯中緞(duan)燒,二氧化(hua)(hua)(hua)碳(tan)(tan)經(jing)洗(xi)氣除塵后(hou)(hou)送碳(tan)(tan)化(hua)(hua)(hua)塔(ta),生(sheng)石灰進(jin)消化(hua)(hua)(hua)槽,用80-90℃ 的熱水充分消化(hua)(hua)(hua),制(zhi)成(cheng)濃度(du)約(yue)(yue)9%的乳液(ye),進(jin)入(ru)碳(tan)(tan)化(hua)(hua)(hua)塔(ta),通(tong)二氧化(hua)(hua)(hua)碳(tan)(tan)進(jin)行碳(tan)(tan)化(hua)(hua)(hua),當碳(tan)(tan)化(hua)(hua)(hua)時懸浮液(ye)的PH值等于7時為(wei)反(fan)響終點,此時可(ke)引入(ru)活化(hua)(hua)(hua)劑(ji),對生(sheng)成(cheng)的碳(tan)(tan)酸(suan)鈣(gai)(gai)進(jin)行表面(mian)(mian)(mian)處(chu)理。有干法(fa)表面(mian)(mian)(mian)處(chu)理和濕法(fa)表面(mian)(mian)(mian)處(chu)理, 一般選用濕法(fa)表面(mian)(mian)(mian)處(chu)理工(gong)藝,因該法(fa)可(ke)制(zhi)得(de)活化(hua)(hua)(hua)度(du)高(gao),松(song)散功用好,透明性高(gao)的活性碳(tan)(tan)酸(suan)鈣(gai)(gai)。目前增加(jia)活化(hua)(hua)(hua)劑(ji)一般有酞酸(suan)酯偶聯(lian)劑(ji)、硬脂(zhi)酸(suan)、木質素等,用量(liang)約(yue)(yue)1%-5%。完成(cheng)了(le)前面(mian)(mian)(mian)的化(hua)(hua)(hua)學處(chu)理后(hou)(hou),對料液(ye)脫水分別、單調制(zhi)得(de)白度(du)高(gao)的制(zhi)品。