自然界中石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)尤為(wei)常見,山上的石(shi)(shi)(shi)(shi)(shi)塊(kuai)大多都含有碳(tan)酸鈣,因此都可成為(wei)石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)。由(you)于(yu)我國(guo)石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)物料(liao)居多,通常情況下,將石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)經破碎、磨粉(fen)等(deng)加工(gong)工(gong)藝(yi)。產出的成可用(yong)于(yu)建(jian)筑材料(liao),也(ye)是(shi)化工(gong)、醫藥、化妝品、飼料(liao)等(deng)工(gong)業原料(liao)。當(dang)釘根據其用(yong)途不(bu)同,應(ying)用(yong)工(gong)藝(yi)石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)也(ye)不(bu)同。下面(mian)是(shi)介紹石(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)經過破碎、磨粉(fen)工(gong)藝(yi)過程。
首先,將開采來的石灰石由振動給料機,均勻的送入石灰石破碎機進行粗碎,再通輸送機將破碎后的石灰石送入細碎機進行第二段破碎,破碎后的石灰石物料經過圓振篩分級篩分,大于40mm的石灰石物料重新返回圓錐破破碎,40mm 以下的石灰石物料由皮帶輸送機送(song)入(ru)整形機整形。整形后的成(cheng)品經經過圓振篩分(fen)級篩分(fen),由皮帶輸(shu)送(song)機輸(shu)送(song)至成(cheng)品區,供各(ge)行業使用。
此工藝產出的石(shi)灰(hui)塊(kuai)通常中用于公路(lu)、建筑、化工等(deng)行(xing)業中,由于石(shi)灰(hui)石(shi)塊(kuai)度(du)大小均勻(yun),通常選擇(ze)建筑行(xing)業行(xing)業居多。
大塊狀石灰石經石灰石破碎機破碎到所需粒度后,由斗式提升機將(jiang)石(shi)灰石(shi)物料送到料倉,再(zai)經(jing)振動給(gei)料機(ji)將(jiang)料均勻(yun)定量連續(xu)地送入石(shi)灰磨(mo)粉(fen)機(ji)進(jin)行(xing)(xing)研磨(mo),粉(fen)磨(mo)后(hou)的(de)石(shi)灰石(shi)粉(fen)子(zi)被風機(ji)氣(qi)流(liu)帶走(zou),經(jing)分(fen)析機(ji)進(jin)行(xing)(xing)分(fen)級(ji),符(fu)合細度的(de)石(shi)灰石(shi)粉(fen)子(zi)隨氣(qi)流(liu)進(jin)入大(da)旋風收集器(qi)內,進(jin)行(xing)(xing)分(fen)離(li)收集,再(zai)經(jing)出粉(fen)管排(pai)出即(ji)為成品石(shi)灰石(shi)粉(fen)末。整(zheng)過磨(mo)粉(fen)過程中氣(qi)流(liu)系統是密(mi)閉(bi)循(xun)環的(de),并(bing)且是在正(zheng)負壓狀態下循(xun)環流(liu)動。
石(shi)(shi)灰(hui)(hui)(hui)粉(fen)大量用(yong)于建筑(zhu)材料(liao)(liao)、工業原(yuan)料(liao)(liao)。石(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)直(zhi)接(jie)加工成(cheng)(cheng)(cheng)石(shi)(shi)料(liao)(liao)和(he)燒制成(cheng)(cheng)(cheng)生石(shi)(shi)灰(hui)(hui)(hui)。生石(shi)(shi)灰(hui)(hui)(hui)吸潮或加水(shui)就成(cheng)(cheng)(cheng)為(wei)熟(shu)石(shi)(shi)灰(hui)(hui)(hui),主要成(cheng)(cheng)(cheng)分是Ca(OH)2,可以稱(cheng)之為(wei)氫氧(yang)化鈣,熟(shu)石(shi)(shi)灰(hui)(hui)(hui)經調配成(cheng)(cheng)(cheng)石(shi)(shi)灰(hui)(hui)(hui)漿、石(shi)(shi)灰(hui)(hui)(hui)膏等,用(yong)作(zuo)涂裝材料(liao)(liao)和(he)磚瓦(wa)粘合(he)劑(ji)。
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