天然二水(shui)石(shi)(shi)膏(gao)(gao)(gao)(CaSO4·2H2O)又稱為(wei)生(sheng)石(shi)(shi)膏(gao)(gao)(gao),經過煅燒、磨細可得β型半水(shui)石(shi)(shi)膏(gao)(gao)(gao)(CaSO4·1/2H2O),即建筑石(shi)(shi)膏(gao)(gao)(gao),又稱熟石(shi)(shi)膏(gao)(gao)(gao)、灰泥。若煅燒溫度(du)為(wei)190 °C可得模型石(shi)(shi)膏(gao)(gao)(gao),其(qi)細度(du)和(he)白(bai)度(du)均比建筑石(shi)(shi)膏(gao)(gao)(gao)高(gao)。若將生(sheng)石(shi)(shi)膏(gao)(gao)(gao)在400-500 °C或高(gao)于(yu)800 °C下煅燒,即得地板石(shi)(shi)膏(gao)(gao)(gao),其(qi)凝結(jie)、硬(ying)化(hua)較慢,但硬(ying)化(hua)后(hou)強度(du)、耐磨性和(he)耐水(shui)性均較普通(tong)建筑石(shi)(shi)膏(gao)(gao)(gao)為(wei)好。通(tong)常為(wei)白(bai)色、無色,無色透明晶體稱為(wei)透石(shi)(shi)膏(gao)(gao)(gao),有時因含雜質(zhi)而成灰、淺(qian)黃(huang)、淺(qian)褐(he)等色。
石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)屬(shu)單斜晶系,解理度(du)很高(gao)(gao)(gao),容(rong)易(yi)裂開成薄(bo)片。將石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)加(jia)熱100~200°C,失(shi)去(qu)部分結(jie)(jie)晶水(shui)(shui)(shui),可得(de)(de)到(dao)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)。 α型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)結(jie)(jie)晶良好(hao)、堅實; β型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)是(shi)片狀并(bing)有(you)(you)裂紋的(de)(de)(de)晶體(ti),結(jie)(jie)晶很細(xi),比(bi)(bi)表(biao)面積比(bi)(bi) α型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)大得(de)(de)多。生產石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)制品(pin)時, α型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)比(bi)(bi) β型(xing)需水(shui)(shui)(shui)量少,制品(pin)有(you)(you)較高(gao)(gao)(gao)的(de)(de)(de)密實度(du)和(he)(he)強度(du)。通常用(yong)蒸壓(ya)釜在飽和(he)(he)蒸汽介質中蒸煉而(er)成的(de)(de)(de)是(shi) α型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao),也(ye)稱(cheng)高(gao)(gao)(gao)強石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao);用(yong)炒鍋或回轉窯敞開裝置(zhi)煅(duan)煉而(er)成的(de)(de)(de)是(shi)β型(xing)半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao),亦即建(jian)筑石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)。半(ban)(ban)水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)與水(shui)(shui)(shui)拌和(he)(he)的(de)(de)(de)漿體(ti)重新形成二水(shui)(shui)(shui)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)、在干燥過程中迅速凝結(jie)(jie)硬(ying)化(hua)(hua)而(er)獲得(de)(de)強度(du),但遇水(shui)(shui)(shui)則(ze)軟化(hua)(hua)。石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)是(shi)生產石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)膠(jiao)(jiao)凝材料和(he)(he)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)建(jian)筑制品(pin)的(de)(de)(de)主要(yao)原料,也(ye)是(shi)硅酸鹽水(shui)(shui)(shui)泥(ni)的(de)(de)(de)緩(huan)凝劑(ji)。石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)經600~800°C煅(duan)燒(shao)后,加(jia)入少量石(shi)(shi)(shi)(shi)灰等催化(hua)(hua)劑(ji)共同磨細(xi),可以得(de)(de)到(dao)硬(ying)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)膠(jiao)(jiao)結(jie)(jie)料(也(ye)稱(cheng)金氏膠(jiao)(jiao)結(jie)(jie)料);經900~1000°C煅(duan)燒(shao)并(bing)磨細(xi),可以得(de)(de)到(dao)高(gao)(gao)(gao)溫煅(duan)燒(shao)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)。用(yong)這兩(liang)種石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)制得(de)(de)的(de)(de)(de)制品(pin),強度(du)高(gao)(gao)(gao)于建(jian)筑石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)制品(pin),而(er)且(qie)硬(ying)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)膠(jiao)(jiao)結(jie)(jie)料有(you)(you)較好(hao)的(de)(de)(de)隔熱性,高(gao)(gao)(gao)溫煅(duan)燒(shao)石(shi)(shi)(shi)(shi)膏(gao)(gao)(gao)(gao)(gao)(gao)(gao)有(you)(you)較好(hao)的(de)(de)(de)耐(nai)磨性和(he)(he)抗水(shui)(shui)(shui)性。
目前(qian),我們公司可(ke)設計(ji)生(sheng)(sheng)產(chan)(chan)數十種(zhong)規格的(de)生(sheng)(sheng)產(chan)(chan)線(xian),并(bing)能根據用戶(hu)的(de)不同需求(qiu)量身定做不同生(sheng)(sheng)產(chan)(chan)工藝的(de)生(sheng)(sheng)產(chan)(chan)線(xian)。
階段
石膏粉(fen)生產線采用(yong)國內(nei)成(cheng)熟(shu)先進的工藝設備,如(ru)立式(shi)磨粉(fen)機、沸(fei)騰(teng)爐等。 |
階段
破(po)(po)碎機(ji)將大尺寸的石膏礦石破(po)(po)碎成小于30mm的小塊顆粒,輸送磨機(ji)進行粉磨; |
第三階段
選粉機將粉磨(mo)后達到產品所(suo)需細度的石膏(gao)生粉送(song)入沸騰爐進行煅燒(shao),其余部分返回磨(mo)機進行再次粉磨(mo)直(zhi)合格(ge)。沸騰爐是(shi)建筑石膏(gao)煅燒(shao)設(she)備(bei)(bei)中在我國應用(yong)廣的設(she)備(bei)(bei),該設(she)備(bei)(bei)結構簡單,操作方(fang)便。 |
第四階段
煅燒后的(de)合格石膏粉送入(ru)熟料倉(cang)儲存或送入(ru)制品車間使(shi)用。 |
我(wo)公司(si)設計的(de)石膏粉生產(chan)線采用(yong)國內成(cheng)熟(shu)先(xian)進的(de)工(gong)藝設備,如(ru)歐(ou)版T形磨等。歐(ou)版T形磨是建筑石膏煅(duan)燒(shao)設備中在我(wo)國應用(yong)廣的(de)設備。結(jie)構簡單、小巧、生產(chan)能力大 設備結(jie)構緊湊(cou)、不易損壞、占地面積小、耗損低操(cao)作方便。
新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)材(cai)(cai)(cai)(cai)(cai)具(ju)(ju)有輕(qing)質、高強度、保(bao)溫、節(jie)能、節(jie)土、裝飾等優(you)良特性。采(cai)用(yong)(yong)(yong)新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)材(cai)(cai)(cai)(cai)(cai)不但使(shi)房(fang)屋功(gong)能大(da)大(da)改善,還可(ke)以使(shi)建(jian)(jian)筑(zhu)物(wu)內(nei)外更具(ju)(ju)現代氣息(xi),滿足人們的(de)(de)(de)(de)審美要求。新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)材(cai)(cai)(cai)(cai)(cai)的(de)(de)(de)(de)性能和功(gong)用(yong)(yong)(yong)各不相同(tong),生(sheng)產(chan)(chan)新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)材(cai)(cai)(cai)(cai)(cai)產(chan)(chan)品(pin)的(de)(de)(de)(de)原(yuan)(yuan)材(cai)(cai)(cai)(cai)(cai)料(liao)及工(gong)藝方法也各不相同(tong)。有的(de)(de)(de)(de)新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)材(cai)(cai)(cai)(cai)(cai)可(ke)以顯著減輕(qing)建(jian)(jian)筑(zhu)物(wu)自重(zhong)(zhong),為(wei)推廣輕(qing)型(xing)(xing)建(jian)(jian)筑(zhu)結構創造了條件,大(da)大(da)加快了建(jian)(jian)房(fang)速度。有的(de)(de)(de)(de)品(pin)種(zhong)(zhong)重(zhong)(zhong)在花色(se),如(ru)裝飾裝修材(cai)(cai)(cai)(cai)(cai)料(liao);有的(de)(de)(de)(de)品(pin)種(zhong)(zhong)重(zhong)(zhong)在功(gong)能,如(ru)保(bao)溫材(cai)(cai)(cai)(cai)(cai)料(liao);有的(de)(de)(de)(de)則通(tong)過(guo)深加工(gong)衍生(sheng)出(chu)多(duo)個(ge)品(pin)種(zhong)(zhong),如(ru)新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)筑(zhu)板(ban)(ban)材(cai)(cai)(cai)(cai)(cai)等。以新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)筑(zhu)板(ban)(ban)材(cai)(cai)(cai)(cai)(cai)為(wei)例。目前新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)筑(zhu)板(ban)(ban)材(cai)(cai)(cai)(cai)(cai)有幾十個(ge)品(pin)種(zhong)(zhong),其中(zhong)紙面石(shi)膏板(ban)(ban)、玻璃纖(xian)維增強水泥(GRC)板(ban)(ban)、無石(shi)棉(mian)硅(gui)鈣(gai)板(ban)(ban)是目前中(zhong)國生(sheng)產(chan)(chan)量、應用(yong)(yong)(yong)普遍的(de)(de)(de)(de)三(san)種(zhong)(zhong)新(xin)(xin)(xin)型(xing)(xing)建(jian)(jian)筑(zhu)板(ban)(ban)材(cai)(cai)(cai)(cai)(cai)。這三(san)種(zhong)(zhong)板(ban)(ban)材(cai)(cai)(cai)(cai)(cai)不但所(suo)(suo)采(cai)用(yong)(yong)(yong)的(de)(de)(de)(de)原(yuan)(yuan)料(liao)不同(tong),生(sheng)產(chan)(chan)工(gong)藝不同(tong),其性能和功(gong)用(yong)(yong)(yong)也不同(tong)。它們所(suo)(suo)用(yong)(yong)(yong)的(de)(de)(de)(de)原(yuan)(yuan)材(cai)(cai)(cai)(cai)(cai)料(liao)均為(wei)非金屬材(cai)(cai)(cai)(cai)(cai)料(liao)而且很容易(yi)得到,采(cai)用(yong)(yong)(yong)它們作為(wei)原(yuan)(yuan)始板(ban)(ban)材(cai)(cai)(cai)(cai)(cai),再分(fen)別配上防滲、保(bao)溫、防火等功(gong)能材(cai)(cai)(cai)(cai)(cai)料(liao),采(cai)用(yong)(yong)(yong)復(fu)合技術,可(ke)生(sheng)產(chan)(chan)出(chu)各種(zhong)(zhong)輕(qing)質和性能優(you)越的(de)(de)(de)(de)新(xin)(xin)(xin)型(xing)(xing)墻體(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)。