天然二水(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(CaSO4·2H2O)又(you)稱(cheng)為生(sheng)(sheng)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao),經(jing)過煅燒、磨細可(ke)得β型(xing)半水(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(CaSO4·1/2H2O),即建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao),又(you)稱(cheng)熟石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)、灰泥(ni)。若煅燒溫度(du)(du)為190 °C可(ke)得模型(xing)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao),其(qi)細度(du)(du)和(he)白度(du)(du)均比建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)高。若將生(sheng)(sheng)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)在400-500 °C或(huo)高于800 °C下(xia)煅燒,即得地(di)板(ban)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao),其(qi)凝結、硬化(hua)較(jiao)慢,但硬化(hua)后(hou)強度(du)(du)、耐磨性(xing)和(he)耐水(shui)性(xing)均較(jiao)普通建筑石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)為好。通常為白色(se)、無色(se),無色(se)透明晶體稱(cheng)為透石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao),有時因含雜(za)質而成灰、淺(qian)黃(huang)、淺(qian)褐等(deng)色(se)。
石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)屬單斜晶(jing)系,解理度很(hen)(hen)高(gao),容(rong)易裂(lie)開(kai)成薄片。將石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)加熱100~200°C,失去(qu)部分結晶(jing)水(shui)(shui)(shui)(shui)(shui),可(ke)得(de)到半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)。 α型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)結晶(jing)良(liang)好(hao)、堅實(shi); β型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)是(shi)片狀(zhuang)并有(you)(you)裂(lie)紋的(de)(de)(de)(de)晶(jing)體,結晶(jing)很(hen)(hen)細(xi),比(bi)表面積比(bi) α型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)大得(de)多。生產石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)制(zhi)品(pin)時, α型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)比(bi) β型需水(shui)(shui)(shui)(shui)(shui)量(liang)少,制(zhi)品(pin)有(you)(you)較(jiao)高(gao)的(de)(de)(de)(de)密實(shi)度和(he)強(qiang)(qiang)度。通常用蒸壓釜在(zai)飽和(he)蒸汽介質中(zhong)蒸煉(lian)而(er)(er)成的(de)(de)(de)(de)是(shi) α型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao),也(ye)稱高(gao)強(qiang)(qiang)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao);用炒鍋或(huo)回轉窯敞開(kai)裝置煅煉(lian)而(er)(er)成的(de)(de)(de)(de)是(shi)β型半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao),亦即建(jian)筑(zhu)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)。半(ban)(ban)(ban)水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)與水(shui)(shui)(shui)(shui)(shui)拌和(he)的(de)(de)(de)(de)漿體重新形成二水(shui)(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)、在(zai)干(gan)燥(zao)過程中(zhong)迅速(su)凝結硬(ying)化(hua)(hua)而(er)(er)獲得(de)強(qiang)(qiang)度,但遇水(shui)(shui)(shui)(shui)(shui)則軟化(hua)(hua)。石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)是(shi)生產石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)膠(jiao)(jiao)凝材(cai)料(liao)(liao)和(he)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)建(jian)筑(zhu)制(zhi)品(pin)的(de)(de)(de)(de)主(zhu)要原(yuan)料(liao)(liao),也(ye)是(shi)硅酸鹽水(shui)(shui)(shui)(shui)(shui)泥的(de)(de)(de)(de)緩凝劑(ji)。石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)經600~800°C煅燒后,加入少量(liang)石(shi)(shi)(shi)(shi)(shi)灰等催化(hua)(hua)劑(ji)共(gong)同磨(mo)(mo)細(xi),可(ke)以(yi)得(de)到硬(ying)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)膠(jiao)(jiao)結料(liao)(liao)(也(ye)稱金氏膠(jiao)(jiao)結料(liao)(liao));經900~1000°C煅燒并磨(mo)(mo)細(xi),可(ke)以(yi)得(de)到高(gao)溫(wen)煅燒石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)。用這兩種石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)制(zhi)得(de)的(de)(de)(de)(de)制(zhi)品(pin),強(qiang)(qiang)度高(gao)于建(jian)筑(zhu)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)制(zhi)品(pin),而(er)(er)且硬(ying)石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)膠(jiao)(jiao)結料(liao)(liao)有(you)(you)較(jiao)好(hao)的(de)(de)(de)(de)隔熱性,高(gao)溫(wen)煅燒石(shi)(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)有(you)(you)較(jiao)好(hao)的(de)(de)(de)(de)耐磨(mo)(mo)性和(he)抗(kang)水(shui)(shui)(shui)(shui)(shui)性。
目前,我們公司可設計(ji)生(sheng)產數十種(zhong)規格的(de)生(sheng)產線(xian),并能根據用戶的(de)不同需求量身定做不同生(sheng)產工藝的(de)生(sheng)產線(xian)。
階段
石膏粉(fen)生(sheng)產線采用(yong)國(guo)內成熟(shu)先進的工藝設備(bei),如立(li)式磨粉(fen)機、沸騰爐(lu)等(deng)。 |
階段
破碎機將(jiang)大尺(chi)寸的石膏礦(kuang)石破碎成小于30mm的小塊顆粒,輸送磨機進行粉磨; |
第三階段
選粉機將(jiang)粉磨后達到產品所需細度(du)的(de)石膏(gao)生粉送入沸騰爐進行(xing)煅燒(shao),其(qi)余部分返(fan)回磨機進行(xing)再次粉磨直合(he)格。沸騰爐是建筑石膏(gao)煅燒(shao)設備中在(zai)我國應(ying)用廣的(de)設備,該設備結構(gou)簡(jian)單,操(cao)作方便。 |
第四階段(duan)
煅燒(shao)后的合(he)格石膏(gao)粉送入熟料倉儲存(cun)或送入制品(pin)車(che)間使(shi)用。 |
我公司設計的石膏(gao)粉生產(chan)線(xian)采用國(guo)內成熟先進的工藝設備(bei)(bei),如(ru)歐(ou)版T形磨(mo)等。歐(ou)版T形磨(mo)是建筑石膏(gao)煅燒設備(bei)(bei)中在我國(guo)應(ying)用廣(guang)的設備(bei)(bei)。結構簡單(dan)、小(xiao)巧(qiao)、生產(chan)能力大 設備(bei)(bei)結構緊湊、不易(yi)損(sun)壞、占(zhan)地面(mian)積小(xiao)、耗損(sun)低操作(zuo)方便。
新(xin)(xin)(xin)型(xing)(xing)建(jian)材(cai)(cai)(cai)(cai)(cai)(cai)具(ju)有(you)(you)(you)(you)輕質、高(gao)強(qiang)度、保溫(wen)、節能(neng)、節土(tu)、裝飾等優(you)良特性(xing)。采(cai)(cai)用(yong)新(xin)(xin)(xin)型(xing)(xing)建(jian)材(cai)(cai)(cai)(cai)(cai)(cai)不(bu)(bu)但(dan)使房(fang)屋(wu)功(gong)(gong)能(neng)大(da)大(da)改善(shan),還可以(yi)(yi)使建(jian)筑(zhu)物內外更具(ju)現(xian)代氣息,滿(man)足(zu)人們的(de)(de)(de)審美要求。新(xin)(xin)(xin)型(xing)(xing)建(jian)材(cai)(cai)(cai)(cai)(cai)(cai)的(de)(de)(de)性(xing)能(neng)和功(gong)(gong)用(yong)各不(bu)(bu)相同(tong),生產(chan)新(xin)(xin)(xin)型(xing)(xing)建(jian)材(cai)(cai)(cai)(cai)(cai)(cai)產(chan)品的(de)(de)(de)原(yuan)(yuan)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)及工(gong)藝方法也(ye)(ye)各不(bu)(bu)相同(tong)。有(you)(you)(you)(you)的(de)(de)(de)新(xin)(xin)(xin)型(xing)(xing)建(jian)材(cai)(cai)(cai)(cai)(cai)(cai)可以(yi)(yi)顯(xian)著減輕建(jian)筑(zhu)物自重(zhong),為推廣(guang)輕型(xing)(xing)建(jian)筑(zhu)結構創造了(le)條件,大(da)大(da)加(jia)(jia)快了(le)建(jian)房(fang)速度。有(you)(you)(you)(you)的(de)(de)(de)品種(zhong)重(zhong)在(zai)花色,如裝飾裝修(xiu)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao);有(you)(you)(you)(you)的(de)(de)(de)品種(zhong)重(zhong)在(zai)功(gong)(gong)能(neng),如保溫(wen)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao);有(you)(you)(you)(you)的(de)(de)(de)則通(tong)過深(shen)加(jia)(jia)工(gong)衍(yan)生出(chu)多個(ge)品種(zhong),如新(xin)(xin)(xin)型(xing)(xing)建(jian)筑(zhu)板(ban)材(cai)(cai)(cai)(cai)(cai)(cai)等。以(yi)(yi)新(xin)(xin)(xin)型(xing)(xing)建(jian)筑(zhu)板(ban)材(cai)(cai)(cai)(cai)(cai)(cai)為例。目前新(xin)(xin)(xin)型(xing)(xing)建(jian)筑(zhu)板(ban)材(cai)(cai)(cai)(cai)(cai)(cai)有(you)(you)(you)(you)幾十個(ge)品種(zhong),其(qi)中紙面石膏板(ban)、玻璃纖維增強(qiang)水(shui)泥(GRC)板(ban)、無石棉硅鈣板(ban)是目前中國生產(chan)量、應用(yong)普遍的(de)(de)(de)三種(zhong)新(xin)(xin)(xin)型(xing)(xing)建(jian)筑(zhu)板(ban)材(cai)(cai)(cai)(cai)(cai)(cai)。這三種(zhong)板(ban)材(cai)(cai)(cai)(cai)(cai)(cai)不(bu)(bu)但(dan)所采(cai)(cai)用(yong)的(de)(de)(de)原(yuan)(yuan)料(liao)(liao)(liao)不(bu)(bu)同(tong),生產(chan)工(gong)藝不(bu)(bu)同(tong),其(qi)性(xing)能(neng)和功(gong)(gong)用(yong)也(ye)(ye)不(bu)(bu)同(tong)。它們所用(yong)的(de)(de)(de)原(yuan)(yuan)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)均為非金(jin)屬材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)而且(qie)很容(rong)易(yi)得到,采(cai)(cai)用(yong)它們作(zuo)為原(yuan)(yuan)始板(ban)材(cai)(cai)(cai)(cai)(cai)(cai),再分別配上防(fang)滲、保溫(wen)、防(fang)火等功(gong)(gong)能(neng)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao),采(cai)(cai)用(yong)復合技術(shu),可生產(chan)出(chu)各種(zhong)輕質和性(xing)能(neng)優(you)越的(de)(de)(de)新(xin)(xin)(xin)型(xing)(xing)墻體材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)。