白灰的(de)用(yong)途目前集(ji)中在(zai)建(jian)(jian)筑、環保、冶金、農(nong)業、養殖、化工、食品(pin)等(deng)領域,具(ju)體表現(xian)為(wei)建(jian)(jian)筑用(yong)刷墻涂料、砌筑制品(pin)、煙氣脫(tuo)硫、污水凈化、鋼(gang)鐵冶煉、干燥(zao)劑、配制農(nong)藥、殺菌劑、制糖糧油(you)等(deng)脫(tuo)色劑澄清劑等(deng)。
碎石(shi)(shi)(shi)粉(fen)。是混(hun)凝土的(de)(de)(de)必須(xu)材(cai)料(liao),一般混(hun)凝土使用(yong)粒徑525毫(hao)米的(de)(de)(de)碎石(shi)(shi)(shi)。石(shi)(shi)(shi)粉(fen)是通(tong)稱,石(shi)(shi)(shi)頭(tou)的(de)(de)(de)粉(fen)末(mo),石(shi)(shi)(shi)頭(tou)的(de)(de)(de)種(zhong)石(shi)(shi)(shi)粉(fen)是石(shi)(shi)(shi)頭(tou)的(de)(de)(de)粉(fen)末(mo)的(de)(de)(de)通(tong)稱。
石(shi)(shi)(shi)(shi)粉是(shi)(shi)用(yong)很多類別的(de)礦石(shi)(shi)(shi)(shi)加(jia)工(gong)(gong)制(zhi)造的(de)粉渣,石(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)主要(yao)成(cheng)(cheng)(cheng)分碳酸鈣(CaCO3)。石(shi)(shi)(shi)(shi)灰(hui)和(he)石(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)大量用(yong)于建筑(zhu)材(cai)料(liao)、工(gong)(gong)業原(yuan)料(liao)。石(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)直接加(jia)工(gong)(gong)成(cheng)(cheng)(cheng)石(shi)(shi)(shi)(shi)料(liao)和(he)燒制(zhi)成(cheng)(cheng)(cheng)生石(shi)(shi)(shi)(shi)灰(hui)。生石(shi)(shi)(shi)(shi)灰(hui)吸潮或(huo)加(jia)水就成(cheng)(cheng)(cheng)為(wei)熟石(shi)(shi)(shi)(shi)灰(hui),主要(yao)成(cheng)(cheng)(cheng)分是(shi)(shi)Ca(OH)2,可以稱之(zhi)為(wei)氫(qing)氧化鈣,熟石(shi)(shi)(shi)(shi)灰(hui)經調配成(cheng)(cheng)(cheng)石(shi)(shi)(shi)(shi)灰(hui)漿、石(shi)(shi)(shi)(shi)灰(hui)膏等(deng),用(yong)作(zuo)涂裝材(cai)料(liao)和(he)磚瓦粘合劑。
白灰(hui)(hui)俗稱石(shi)灰(hui)(hui)石(shi),白灰(hui)(hui)經高溫(wen)灼燒(shao),失去二(er)氧化碳(tan)后生成氧化鈣,粉(fen)碎后便是可用(yong)于(yu)殺菌消(xiao)毒的(de)(de)(de)石(shi)灰(hui)(hui)粉(fen)。石(shi)灰(hui)(hui)的(de)(de)(de)消(xiao)毒殺菌,借助于(yu)石(shi)灰(hui)(hui)水溶液的(de)(de)(de)堿性作(zuo)用(yong)。