
今天南陽鈣粉廠家跟我(wo)們講講活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)的生(sheng)產(chan)工藝(yi),讓我(wo)們可以更好的了(le)解我(wo)們的產(chan)品。活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)的生(sheng)產(chan)工藝(yi)與生(sheng)產(chan)輕質碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)大致相(xiang)同,但在(zai)碳(tan)(tan)(tan)(tan)化(hua)(hua)這一工序中(zhong)應嚴格操控條件,使生(sheng)成(cheng)(cheng)微(wei)細的碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)顆粒(li),再用活(huo)化(hua)(hua)劑進(jin)(jin)(jin)行(xing)(xing)表(biao)面處(chu)理(li)(li)。行(xing)(xing)將石灰石與煤(mei)混(hun)合,其(qi)配比約(yue)7.5左右(you),于(yu)(yu)900-1000℃ 溫度下在(zai)石灰窯(yao)中(zhong)緞燒,二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)(tan)經洗氣除塵后(hou)送(song)碳(tan)(tan)(tan)(tan)化(hua)(hua)塔(ta),生(sheng)石灰進(jin)(jin)(jin)消化(hua)(hua)槽,用80-90℃ 的熱水(shui)充分消化(hua)(hua),制(zhi)成(cheng)(cheng)濃(nong)度約(yue)9%的乳液,進(jin)(jin)(jin)入(ru)(ru)碳(tan)(tan)(tan)(tan)化(hua)(hua)塔(ta),通(tong)二氧(yang)化(hua)(hua)碳(tan)(tan)(tan)(tan)進(jin)(jin)(jin)行(xing)(xing)碳(tan)(tan)(tan)(tan)化(hua)(hua),當碳(tan)(tan)(tan)(tan)化(hua)(hua)時懸浮液的PH值等于(yu)(yu)7時為反響終點,此時可引入(ru)(ru)活(huo)化(hua)(hua)劑,對(dui)(dui)生(sheng)成(cheng)(cheng)的碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)進(jin)(jin)(jin)行(xing)(xing)表(biao)面處(chu)理(li)(li)。有干法(fa)表(biao)面處(chu)理(li)(li)和濕法(fa)表(biao)面處(chu)理(li)(li), 一般選用濕法(fa)表(biao)面處(chu)理(li)(li)工藝(yi),因該(gai)法(fa)可制(zhi)得(de)活(huo)化(hua)(hua)度高,松散功用好,透明性(xing)(xing)高的活(huo)性(xing)(xing)碳(tan)(tan)(tan)(tan)酸(suan)(suan)鈣(gai)。目(mu)前增加活(huo)化(hua)(hua)劑一般有酞(tai)酸(suan)(suan)酯偶聯(lian)劑、硬脂酸(suan)(suan)、木質素等,用量約(yue)1%-5%。完(wan)成(cheng)(cheng)了(le)前面的化(hua)(hua)學處(chu)理(li)(li)后(hou),對(dui)(dui)料液脫水(shui)分別、單調制(zhi)得(de)白度高的制(zhi)品。