
今天南陽鈣粉廠家跟我們講講活(huo)性(xing)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣的(de)生(sheng)(sheng)(sheng)產工(gong)(gong)藝,讓我們可以更(geng)好的(de)了解(jie)我們的(de)產品。活(huo)性(xing)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣的(de)生(sheng)(sheng)(sheng)產工(gong)(gong)藝與生(sheng)(sheng)(sheng)產輕質(zhi)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣大致相同,但在碳(tan)(tan)(tan)化(hua)(hua)(hua)這一工(gong)(gong)序中應嚴格(ge)操(cao)控(kong)條件(jian),使生(sheng)(sheng)(sheng)成微細的(de)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣顆粒,再(zai)用(yong)活(huo)化(hua)(hua)(hua)劑進行表面(mian)(mian)處(chu)理(li)。行將石(shi)灰(hui)(hui)石(shi)與煤混合,其配比約(yue)7.5左右(you),于900-1000℃ 溫度(du)(du)下在石(shi)灰(hui)(hui)窯中緞燒,二氧化(hua)(hua)(hua)碳(tan)(tan)(tan)經洗氣除塵后送碳(tan)(tan)(tan)化(hua)(hua)(hua)塔,生(sheng)(sheng)(sheng)石(shi)灰(hui)(hui)進消(xiao)化(hua)(hua)(hua)槽,用(yong)80-90℃ 的(de)熱水充(chong)分消(xiao)化(hua)(hua)(hua),制成濃度(du)(du)約(yue)9%的(de)乳液,進入(ru)碳(tan)(tan)(tan)化(hua)(hua)(hua)塔,通(tong)二氧化(hua)(hua)(hua)碳(tan)(tan)(tan)進行碳(tan)(tan)(tan)化(hua)(hua)(hua),當碳(tan)(tan)(tan)化(hua)(hua)(hua)時(shi)懸浮液的(de)PH值等于7時(shi)為(wei)反響終(zhong)點(dian),此時(shi)可引入(ru)活(huo)化(hua)(hua)(hua)劑,對生(sheng)(sheng)(sheng)成的(de)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣進行表面(mian)(mian)處(chu)理(li)。有干法表面(mian)(mian)處(chu)理(li)和濕法表面(mian)(mian)處(chu)理(li), 一般選用(yong)濕法表面(mian)(mian)處(chu)理(li)工(gong)(gong)藝,因該法可制得活(huo)化(hua)(hua)(hua)度(du)(du)高,松(song)散功(gong)用(yong)好,透明性(xing)高的(de)活(huo)性(xing)碳(tan)(tan)(tan)酸(suan)(suan)(suan)鈣。目前增加活(huo)化(hua)(hua)(hua)劑一般有酞酸(suan)(suan)(suan)酯偶(ou)聯劑、硬(ying)脂酸(suan)(suan)(suan)、木質(zhi)素等,用(yong)量(liang)約(yue)1%-5%。完(wan)成了前面(mian)(mian)的(de)化(hua)(hua)(hua)學處(chu)理(li)后,對料液脫水分別、單調制得白度(du)(du)高的(de)制品。