天然(ran)石膏粉生產線

天然石膏簡介(jie)

天然二水石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)（CaSO4·2H2O）又稱(cheng)為(wei)(wei)生石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)，經過煅燒、磨細(xi)可得β型(xing)(xing)半(ban)水石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)（CaSO4·?H2O），即建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)，又稱(cheng) 熟石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao) 、 灰泥 。石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)礦以沉積型(xing)(xing)礦床為(wei)(wei)主(zhu)，儲量占全(quan)國(guo)90%以上(shang)，后(hou)生型(xing)(xing)及熱液交代型(xing)(xing)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)礦不很(hen)重(zhong)要(yao)。石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)礦在各(ge)地質時代均有產出，以早白堊(e)紀(ji)和第三紀(ji)沉積型(xing)(xing)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)礦為(wei)(wei)最(zui)重(zhong)要(yao)。

天然石(shi)(shi)(shi)膏(gao)中(zhong)用(yong)(yong)(yong)途(tu)最廣的(de)(de)(de)是二水(shui)(shui)石(shi)(shi)(shi)膏(gao)，其有(you)效成分為二水(shui)(shui)硫(liu)酸鈣(gai)，一般根據(ju)礦(kuang)石(shi)(shi)(shi)中(zhong)二水(shui)(shui)硫(liu)酸鈣(gai)含(han)(han)量對石(shi)(shi)(shi)膏(gao)進(jin)行(xing)等(deng)(deng)級劃分。石(shi)(shi)(shi)膏(gao)應用(yong)(yong)(yong)領域(yu)較(jiao)寬，產(chan)品種類也(ye)較(jiao)多(duo)(duo)，不(bu)同的(de)(de)(de)用(yong)(yong)(yong)途(tu)對石(shi)(shi)(shi)膏(gao)原(yuan)料(liao)的(de)(de)(de)質量有(you)著不(bu)同的(de)(de)(de)要(yao)求，高品位石(shi)(shi)(shi)膏(gao)多(duo)(duo)被(bei)(bei)用(yong)(yong)(yong)于(yu)(yu)特(te)種石(shi)(shi)(shi)膏(gao)產(chan)品的(de)(de)(de)生(sheng)產(chan)原(yuan)料(liao)，如食用(yong)(yong)(yong)、醫用(yong)(yong)(yong)、藝術(shu)品、模(mo)型(xing)和化工填料(liao)等(deng)(deng)；二水(shui)(shui)硫(liu)酸鈣(gai)含(han)(han)量低(di)于(yu)(yu)60%的(de)(de)(de)石(shi)(shi)(shi)膏(gao)礦(kuang)則很少得到應用(yong)(yong)(yong)；高于(yu)(yu)60%的(de)(de)(de)石(shi)(shi)(shi)膏(gao)礦(kuang)石(shi)(shi)(shi)，則根據(ju)其含(han)(han)量的(de)(de)(de)不(bu)同，被(bei)(bei)用(yong)(yong)(yong)于(yu)(yu)建(jian)(jian)材、建(jian)(jian)筑等(deng)(deng)各(ge)個領域(yu)。