在(zai)對(dui)自(zi)產(chan)精(jing)礦(kuang)加(jia)入(ru)生(sheng)石(shi)灰(hui)後(hou)我(wo)們(men)可(ke)以(yi)知(zhi)道(dao),其(qi)對(dui)提(ti)升(sheng)燒(shao)結(jie)礦(kuang)冶(ye)金(jin)特(te)性(xing),提(ti)升(sheng)燒(shao)結(jie)礦(kuang)品(pin)質(zhi)都(dou)是(shi)非(fei)常(chang)有(you)幫(bang)助(zhu)的(de)。大(da)多(duo)數(shu)燒(shao)結(jie)廠(chang)生(sheng)石(shi)灰(hui)使(shi)用(yong)通(tong)過(guo)實(shi)踐(jian)可(ke)以(yi)了(le)解(jie)到(dao),混(hun)合(he)料(liao)內(nei)加(jia)入(ru)一(yi)定(ding)量(liang)生(sheng)石(shi)灰(hui),當(dang)每(mei)頓(dun)燒(shao)結(jie)礦(kuang)用(yong)生(sheng)石(shi)灰(hui)50kg時,可降低石灰石分解熱,相當4.5-5.0kg燃料,而生石灰遇水消化成為氫氧化鈣則會釋放出熱量,相當於0.3-0.5kgranliao,takeyitishenghunheliaowendu,duiyuchengqiushifeichangyoulide,tongshikegaishanqiudepinzhijihunheliaotouqixing,weitigaoliaocenghoudutigongyoulitiaojian,duitishengshaojieguochengreliyonglvyeshihenyoulide,congerdadaojieshengranliaodemude。
通(tong)過(guo)分(fen)析(xi)我(wo)們(men)可(ke)以(yi)知(zhi)道(dao),氧(yang)化(hua)鈣(gai)可(ke)以(yi)改(gai)善(shan)碳(tan)粒(li)的(de)燃(ran)燒(shao)性(xing),促(cu)使(shi)固(gu)體(ti)燃(ran)料(liao)內(nei)炭(tan)燃(ran)燒(shao)隻(zhi)發(fa)揮(hui)發(fa)熱(re)劑(ji)特(te)效(xiao),同(tong)時(shi)令(ling)混(hun)合(he)料(liao)內(nei)三(san)氧(yang)化(hua)二(er)鋁(lv)不(bu)產(chan)生(sheng)還(hai)原(yuan),而(er)是(shi)與(yu)氧(yang)化(hua)鈣(gai)產(chan)生(sheng)反(fan)應(ying)形(xing)成(cheng)鐵(tie)酸(suan)鹽(yan),因(yin)料(liao)層(ceng)提(ti)升(sheng),燃(ran)料(liao)的(de)降(jiang)低(di),使(shi)燃(ran)燒(shao)帶(dai)變(bian)薄(bo),從(cong)而(er)提(ti)升(sheng)燒(shao)結(jie)生(sheng)產(chan)率(lv)的(de)提(ti)高(gao)。但(dan)是(shi)因(yin)為(wei)碳(tan)酸(suan)鹽(yan)在(zai)高(gao)溫(wen)下(xia)易(yi)分(fen)解(jie),因(yin)此(ci)需(xu)要(yao)對(dui)燃(ran)料(liao)用(yong)量(liang)進(jin)行(xing)控(kong)製(zhi),從(cong)而(er)對(dui)碳(tan)酸(suan)鹽(yan)分(fen)解(jie)起(qi)到(dao)控(kong)製(zhi)作(zuo)用(yong)。
在進行實驗室燒結杯用生石灰替代氫氧化鈣時可以證明,實驗室條件下,抽風壓力在10000pa以下時,係數會因生石灰用量增加而增加;在抽風壓力高於10000pashi,liyongxishuzehuiyinshengshihuiyongliangzengjiaerjiangdi。zheshiyinweisuishengshihuiyongliangzengjia,liaocengtouqixingdedaogaishan,choufengyaliguogao,cushishaojiejinxingdeguokuai,congerdaozhichengpinlvjiangdi,congerjiangdiliyongxishu。zaishijishengchanzhong,keshengchengqingyanghuagaideshengshihuiqiadangyongliangwei4-6%,抽風負壓可依據料層厚度在10000-11500pa之間調整,同時可以實行低負壓大風量燒結。
以上信息來源於:http://f1979.cn/