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s11买外围 > 物料解决方案 > 石膏

石膏

intro-pic

什么是石膏

  天然(ran)二水(shui)石(shi)膏(gao)(CaSO4·2H2O)又称(cheng)为生(sheng)石(shi)膏(gao),经(jing)过煅烧(shao)、磨(mo)细(xi)可得β型(xing)半水(shui)石(shi)膏(gao)(CaSO4·1/2H2O),即建筑(zhu)石(shi)膏(gao),又称(cheng)熟石(shi)膏(gao)、灰(hui)泥。若煅烧(shao)温度为190 °C可得模型(xing)石(shi)膏(gao),其细(xi)度和白度均比建筑(zhu)石(shi)膏(gao)高(gao)。若将生(sheng)石(shi)膏(gao)在(zai)400-500 °C或(huo)高(gao)于800 °C下(xia)煅烧(shao),即得地(di)板石(shi)膏(gao),其凝结、硬化(hua)较慢,但硬化(hua)后强(qiang)度、耐磨(mo)性(xing)和耐水(shui)性(xing)均较普(pu)通建筑(zhu)石(shi)膏(gao)为好(hao)。通常为白色(se)、无色(se),无色(se)透(tou)明晶体称(cheng)为透(tou)石(shi)膏(gao),有时因含杂质而成灰(hui)、浅黄(huang)、浅褐(he)等色(se)。

应用领域

【石膏的主要用途】

石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)属单斜晶(jing)系,解理(li)度(du)很(hen)高,容(rong)易裂开成(cheng)薄片。将石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)加热100~200°C,失去部分(fen)结晶(jing)水(shui)(shui)(shui)(shui),可(ke)得(de)(de)到(dao)半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)。 α型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)结晶(jing)良(liang)好、坚实; β型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)是(shi)(shi)片状并(bing)有(you)(you)裂纹的(de)(de)晶(jing)体,结晶(jing)很(hen)细,比表面积比 α型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)大(da)得(de)(de)多。生产石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)制(zhi)品时, α型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)比 β型需(xu)水(shui)(shui)(shui)(shui)量少,制(zhi)品有(you)(you)较(jiao)高的(de)(de)密实度(du)和(he)强(qiang)(qiang)度(du)。通常用蒸(zheng)压釜在(zai)饱(bao)和(he)蒸(zheng)汽介质中(zhong)蒸(zheng)炼(lian)而成(cheng)的(de)(de)是(shi)(shi) α型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao),也称高强(qiang)(qiang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao);用炒锅或回转窑(yao)敞开装置煅(duan)炼(lian)而成(cheng)的(de)(de)是(shi)(shi)β型半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao),亦即(ji)建(jian)筑(zhu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)。半水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)与水(shui)(shui)(shui)(shui)拌和(he)的(de)(de)浆体重新(xin)形成(cheng)二水(shui)(shui)(shui)(shui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)、在(zai)干燥过程中(zhong)迅速凝结硬(ying)(ying)化(hua)而获得(de)(de)强(qiang)(qiang)度(du),但遇水(shui)(shui)(shui)(shui)则软化(hua)。石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)是(shi)(shi)生产石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)胶(jiao)凝材(cai)料(liao)和(he)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)建(jian)筑(zhu)制(zhi)品的(de)(de)主要原料(liao),也是(shi)(shi)硅酸盐水(shui)(shui)(shui)(shui)泥的(de)(de)缓凝剂(ji)。石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)经600~800°C煅(duan)烧后,加入少量石(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰等催化(hua)剂(ji)共(gong)同磨(mo)细,可(ke)以(yi)得(de)(de)到(dao)硬(ying)(ying)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)胶(jiao)结料(liao)(也称金氏胶(jiao)结料(liao));经900~1000°C煅(duan)烧并(bing)磨(mo)细,可(ke)以(yi)得(de)(de)到(dao)高温煅(duan)烧石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)。用这两种石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)制(zhi)得(de)(de)的(de)(de)制(zhi)品,强(qiang)(qiang)度(du)高于建(jian)筑(zhu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)制(zhi)品,而且硬(ying)(ying)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)胶(jiao)结料(liao)有(you)(you)较(jiao)好的(de)(de)隔热性(xing),高温煅(duan)烧石(shi)(shi)(shi)(shi)(shi)(shi)(shi)膏(gao)有(you)(you)较(jiao)好的(de)(de)耐磨(mo)性(xing)和(he)抗水(shui)(shui)(shui)(shui)性(xing)。

主要适用材料

roll1 roll1 roll1 roll1 roll1

石膏加工生产工艺流程

left-side

目前,我们公司可设计(ji)生(sheng)(sheng)产(chan)(chan)(chan)数十种规格(ge)的生(sheng)(sheng)产(chan)(chan)(chan)线,并能根(gen)据(ju)用户的不(bu)同(tong)需求量身定(ding)做不(bu)同(tong)生(sheng)(sheng)产(chan)(chan)(chan)工艺(yi)的生(sheng)(sheng)产(chan)(chan)(chan)线。

right-side
pic4 阶(jie)段

石膏粉生(sheng)产线采用国内成熟先进的(de)工艺设(she)备,如立式磨粉机、沸腾炉等(deng)。

pic4 阶段

破(po)(po)碎机将(jiang)大尺寸的石(shi)膏矿石(shi)破(po)(po)碎成小于30mm的小块(kuai)颗粒,输送磨(mo)(mo)机进行(xing)粉(fen)磨(mo)(mo);

pic4 第三(san)阶段

选粉(fen)(fen)机(ji)将粉(fen)(fen)磨(mo)后达到产品(pin)所需细度的石(shi)膏生(sheng)粉(fen)(fen)送(song)入(ru)沸腾(teng)炉(lu)进行煅(duan)(duan)烧(shao),其(qi)余(yu)部分返回磨(mo)机(ji)进行再次(ci)粉(fen)(fen)磨(mo)直(zhi)合格。沸腾(teng)炉(lu)是建(jian)筑(zhu)石(shi)膏煅(duan)(duan)烧(shao)设(she)(she)备(bei)中在我国应用广的设(she)(she)备(bei),该设(she)(she)备(bei)结构简单(dan),操作方便。

pic4 第四阶段

煅烧后的(de)合格石(shi)膏粉送入熟料仓(cang)储(chu)存或送入制品车间使用。

所需(xu)设备 进入产品查看更多产品 >>

left-ar我公司设计的石膏粉生产线采用国内成熟先进的工艺设备,如欧版T形磨等。欧版T形磨是建筑石膏煅烧设备中在我国应用广的设备。结构简单、小巧、生产能力大 设备结构紧凑、不易损坏、占地面积小、耗损低操作方便。

MTW欧版T形磨粉机

该(gai)磨粉机广泛(fan)使用电力、矿山、冶金(jin)、化工、钢铁、建材(cai)、煤炭等行业。

立式磨粉机

pic1

石膏磨粉设(she)备(bei)(bei)(bei)是(shi)石膏磨粉加工(gong)(gong)中必备(bei)(bei)(bei)的(de)设(she)备(bei)(bei)(bei),该设(she)备(bei)(bei)(bei)不仅(jin)用来加工(gong)(gong)石膏……

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投资前景

新(xin)型(xing)建(jian)(jian)(jian)(jian)材(cai)(cai)(cai)具(ju)有(you)轻质、高强度(du)、保温(wen)、节能(neng)(neng)(neng)、节土、装饰(shi)等(deng)优(you)良特性。采(cai)用新(xin)型(xing)建(jian)(jian)(jian)(jian)材(cai)(cai)(cai)不(bu)但(dan)使(shi)房(fang)屋功(gong)能(neng)(neng)(neng)大(da)(da)大(da)(da)改善,还可(ke)以(yi)使(shi)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)内外更具(ju)现代气息,满足人们的审美(mei)要求。新(xin)型(xing)建(jian)(jian)(jian)(jian)材(cai)(cai)(cai)的性能(neng)(neng)(neng)和(he)功(gong)用各不(bu)相同(tong),生产(chan)新(xin)型(xing)建(jian)(jian)(jian)(jian)材(cai)(cai)(cai)产(chan)品(pin)的原(yuan)材(cai)(cai)(cai)料(liao)及(ji)工(gong)艺(yi)方法也各不(bu)相同(tong)。有(you)的新(xin)型(xing)建(jian)(jian)(jian)(jian)材(cai)(cai)(cai)可(ke)以(yi)显著减轻建(jian)(jian)(jian)(jian)筑(zhu)(zhu)物(wu)自(zi)重(zhong),为推广轻型(xing)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)结构(gou)创(chuang)造了条件,大(da)(da)大(da)(da)加快(kuai)了建(jian)(jian)(jian)(jian)房(fang)速(su)度(du)。有(you)的品(pin)种(zhong)重(zhong)在(zai)花色,如装饰(shi)装修材(cai)(cai)(cai)料(liao);有(you)的品(pin)种(zhong)重(zhong)在(zai)功(gong)能(neng)(neng)(neng),如保温(wen)材(cai)(cai)(cai)料(liao);有(you)的则通过深加工(gong)衍生出多个品(pin)种(zhong),如新(xin)型(xing)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)板(ban)(ban)材(cai)(cai)(cai)等(deng)。以(yi)新(xin)型(xing)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)板(ban)(ban)材(cai)(cai)(cai)为例。目前新(xin)型(xing)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)板(ban)(ban)材(cai)(cai)(cai)有(you)几十个品(pin)种(zhong),其中纸面(mian)石膏板(ban)(ban)、玻璃纤维增强水泥(GRC)板(ban)(ban)、无石棉硅钙板(ban)(ban)是目前中国生产(chan)量(liang)、应用普遍的三种(zhong)新(xin)型(xing)建(jian)(jian)(jian)(jian)筑(zhu)(zhu)板(ban)(ban)材(cai)(cai)(cai)。这三种(zhong)板(ban)(ban)材(cai)(cai)(cai)不(bu)但(dan)所采(cai)用的原(yuan)料(liao)不(bu)同(tong),生产(chan)工(gong)艺(yi)不(bu)同(tong),其性能(neng)(neng)(neng)和(he)功(gong)用也不(bu)同(tong)。它(ta)们所用的原(yuan)材(cai)(cai)(cai)料(liao)均为非金属(shu)材(cai)(cai)(cai)料(liao)而且很容易得(de)到,采(cai)用它(ta)们作为原(yuan)始板(ban)(ban)材(cai)(cai)(cai),再(zai)分(fen)别配上防渗、保温(wen)、防火等(deng)功(gong)能(neng)(neng)(neng)材(cai)(cai)(cai)料(liao),采(cai)用复合技术,可(ke)生产(chan)出各种(zhong)轻质和(he)性能(neng)(neng)(neng)优(you)越的新(xin)型(xing)墙体材(cai)(cai)(cai)料(liao)。

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