
今天南陽鈣粉廠家跟我們(men)(men)講(jiang)(jiang)講(jiang)(jiang)活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣的生產(chan)(chan)(chan)工(gong)(gong)藝,讓(rang)我們(men)(men)可(ke)以更好的了(le)解我們(men)(men)的產(chan)(chan)(chan)品(pin)。活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣的生產(chan)(chan)(chan)工(gong)(gong)藝與(yu)生產(chan)(chan)(chan)輕質碳(tan)(tan)(tan)酸(suan)鈣大致相同,但在碳(tan)(tan)(tan)化(hua)(hua)這一(yi)工(gong)(gong)序(xu)中應嚴格操(cao)控條(tiao)件,使生成(cheng)微細的碳(tan)(tan)(tan)酸(suan)鈣顆粒,再用(yong)活(huo)化(hua)(hua)劑(ji)進(jin)行表面處(chu)(chu)(chu)理。行將石灰石與(yu)煤混(hun)合,其(qi)配比約7.5左右,于900-1000℃ 溫度下在石灰窯(yao)中緞燒(shao),二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)經洗氣除塵后送碳(tan)(tan)(tan)化(hua)(hua)塔,生石灰進(jin)消化(hua)(hua)槽,用(yong)80-90℃ 的熱水充分(fen)消化(hua)(hua),制成(cheng)濃度約9%的乳液(ye),進(jin)入碳(tan)(tan)(tan)化(hua)(hua)塔,通(tong)二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)進(jin)行碳(tan)(tan)(tan)化(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)時懸浮液(ye)的PH值(zhi)等于7時為反響終點,此時可(ke)引入活(huo)化(hua)(hua)劑(ji),對(dui)(dui)生成(cheng)的碳(tan)(tan)(tan)酸(suan)鈣進(jin)行表面處(chu)(chu)(chu)理。有(you)干(gan)法表面處(chu)(chu)(chu)理和(he)濕法表面處(chu)(chu)(chu)理, 一(yi)般(ban)選用(yong)濕法表面處(chu)(chu)(chu)理工(gong)(gong)藝,因該法可(ke)制得(de)活(huo)化(hua)(hua)度高,松散功(gong)用(yong)好,透明性(xing)(xing)高的活(huo)性(xing)(xing)碳(tan)(tan)(tan)酸(suan)鈣。目前增加活(huo)化(hua)(hua)劑(ji)一(yi)般(ban)有(you)酞酸(suan)酯偶聯劑(ji)、硬脂酸(suan)、木質素等,用(yong)量約1%-5%。完(wan)成(cheng)了(le)前面的化(hua)(hua)學處(chu)(chu)(chu)理后,對(dui)(dui)料液(ye)脫水分(fen)別(bie)、單調制得(de)白(bai)度高的制品(pin)。