煉鐵時用石灰石除去二氧化硅反應化學方程式
在工業煉鐵的過程中用石灰石來做什么？_百度知道
2006年(nian)12月(yue)31日? 1、在(zai)(zai)煉(lian)(lian)鐵(tie)(tie)(tie)中(zhong)(zhong)石(shi)灰(hui)石(shi)起(qi)作用是將礦石(shi)中(zhong)(zhong)的(de)(de)(de)二氧(yang)化硅(gui)等雜質轉變(bian)為(wei)爐(lu)渣而除去；根據書寫化學(xue)方程式(shi)的(de)(de)(de)步驟，煉(lian)(lian)鐵(tie)(tie)(tie)原理的(de)(de)(de)化學(xue)方程式(shi)為(wei)：Fe2O3+3CO2Fe+3CO2 ； 2 作為(wei)造渣劑，除去二氧(yang)化硅(gui)。 石(shi)灰(hui)石(shi)加(jia)(jia)(jia)入(ru)后在(zai)(zai)高(gao)溫(wen)下分(fen)解成(cheng)(cheng)CO2和(he)CaO，CO2和(he)C反(fan)應(ying)成(cheng)(cheng)CO參與(yu)煉(lian)(lian)鐵(tie)(tie)(tie)。 CaO和(he)鐵(tie)(tie)(tie)水中(zhong)(zhong)的(de)(de)(de)硫、硅(gui)等雜質生(sheng)成(cheng)(cheng)CaS和(he)CaSiO3等浮在(zai)(zai)鐵(tie)(tie)(tie)水上面，可以 煉(lian)(lian)鐵(tie)(tie)(tie)為(wei)什么(me)(me)要(yao)加(jia)(jia)(jia)入(ru)石(shi)灰(hui)石(shi)-百度(du)經驗2016年(nian)12月(yue)7日? 煉(lian)(lian)鐵(tie)(tie)(tie)要(yao)加(jia)(jia)(jia)入(ru)石(shi)灰(hui)石(shi)化學(xue)反(fan)應(ying)式(shi)：CaCO3 CaO＋CO2↑ ，CaO＋SiO2 CaSiO3 剖析：煉(lian)(lian)鐵(tie)(tie)(tie)過程中(zhong)(zhong)加(jia)(jia)(jia)入(ru)石(shi)灰(hui)石(shi)，能夠(gou)與(yu)鐵(tie)(tie)(tie)礦石(shi)中(zhong)(zhong)的(de)(de)(de)熔點很高(gao)的(de)(de)(de)脈石(shi)（二氧(yang)化硅(gui)） 高(gao)爐(lu)煉(lian)(lian)鐵(tie)(tie)(tie)為(wei)什么(me)(me)要(yao)加(jia)(jia)(jia)入(ru)石(shi)灰(hui)石(shi)，為(wei)什么(me)(me)要(yao)造渣_百度(du)知(zhi)道
高爐煉鐵爐料中脈石的來源和作用 - 知乎
高爐(lu)(lu)所用(yong)(yong)生礦(kuang)中(zhong)，脈石(shi)(shi)(shi)主(zhu)要(yao)指(zhi)的(de)(de)(de)(de)(de)(de)是(shi)(shi)SiO2和Al2O3。 脈石(shi)(shi)(shi)是(shi)(shi)高爐(lu)(lu)造渣(zha)的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)來源，非特殊礦(kuang)冶(ye)煉形成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)爐(lu)(lu)渣(zha)主(zhu)要(yao)包括SiO2、Al2O3、CaO和MgO[1]。 ... 在入爐(lu)(lu)料中(zhong)，CaO和MgO的(de)(de)(de)(de)(de)(de)加入可以(yi)減少石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)和白云石(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)熔(rong)劑(ji)添加量， 石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)在煉鐵(tie)過(guo)程(cheng)中(zhong)的(de)(de)(de)(de)(de)(de)作用(yong)(yong),煉鐵(tie)的(de)(de)(de)(de)(de)(de)方(fang)法. 因為煉鐵(tie)的(de)(de)(de)(de)(de)(de)礦(kuang)石(shi)(shi)(shi)中(zhong)含有(you)一(yi)定量的(de)(de)(de)(de)(de)(de)二氧(yang)(yang)化(hua)硅(gui),所以(yi)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)作用(yong)(yong)是(shi)(shi)將二氧(yang)(yang)化(hua)硅(gui)等雜質轉變為爐(lu)(lu)渣(zha)而(er)除去。. 石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)加入后(hou) ... 300噸(dun)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)破(po)碎機, 煉鐵(tie)時使用(yong)(yong)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)可以(yi)把鐵(tie)礦(kuang)石(shi)(shi)(shi)中(zhong)的(de)(de)(de)(de)(de)(de)二氧(yang)(yang)化(hua)硅(gui)轉變成(cheng)(cheng)爐(lu)(lu)渣(zha)而(er)除去通常采用(yong)(yong)的(de)(de)(de)(de)(de)(de)方(fang)法是(shi)(shi)在鋼水中(zhong)加入一(yi)些脫氧(yang)(yang)劑(ji)，如(ru)錳(meng)鐵(tie)、硅(gui)鐵(tie)、鋁等，它們(men)強烈地(di)從FeO中(zhong)奪取(qu)氧(yang)(yang)而(er)達(da)到(dao)脫氧(yang)(yang)的(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)，其反(fan)應如(ru)下(xia)： FeO+Mn→MnO+Fe 2FeO+Si→SiO2+2Fe 鋼的(de)(de)(de)(de)(de)(de)冶(ye)煉過(guo)程(cheng)，及其 化(hua)學(xue)反(fan)應方(fang)程(cheng)式 - 知乎
在煉鐵工業中，常用石灰石將鐵礦石中的雜質二氧化硅轉化為爐渣
在煉鐵(tie)工(gong)業中(zhong)，常用(yong)石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)將(jiang)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)中(zhong)的(de)雜質(zhi)二氧(yang)(yang)(yang)化(hua)(hua)硅轉化(hua)(hua)為(wei)爐(lu)渣除去，發生反應的(de)化(hua)(hua)學方程式(shi)為(wei)：CaCO3＋SiO2高溫X＋CO2↑，其中(zhong)X的(de)化(hua)(hua)學式(shi)是. A．CaSiO4 B．Ca2SiO3 煉鐵(tie)石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)除去二氧(yang)(yang)(yang)化(hua)(hua)硅. ... （2015?宜昌）在煉鐵(tie)工(gong)業中(zhong)，常用(yong)石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)將(jiang)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)中(zhong)的(de)雜質(zhi)二氧(yang)(yang)(yang)化(hua)(hua)硅轉化(hua)(hua)為(wei)爐(lu)渣除去，發生反應的(de)化(hua)(hua)學方程式(shi)為(wei)：CaCO 3 +SiO 2 ... 它磨粉(fen)加工(gong)后(hou)還 煉鐵(tie)石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)除去二氧(yang)(yang)(yang)化(hua)(hua)硅2021年6月23日? 煉鐵(tie)的(de)主要原料是鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)、焦(jiao)炭、石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)和(he)空氣。高溫下，用(yong)還原劑（主要是一(yi)氧(yang)(yang)(yang)化(hua)(hua)碳）從鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)里把鐵(tie)還原出來工(gong)業上(shang)(shang)(shang)工(gong)業上(shang)(shang)(shang)工(gong)業上(shang)(shang)(shang)工(gong)業上(shang)(shang)(shang)煉鐵(tie)時(shi)各物質(zhi)的(de)作用(yong) 金屬資源ppt課(ke)件(jian) - 豆丁網
用高爐煉鐵時，必須在高溫下加入石灰石，除去鐵礦石中的二氧化
答案. 石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)碳(tan)(tan)酸鈣(gai)在高溫條(tiao)件下分(fen)(fen)解(jie)能生成(cheng)(cheng)氧(yang)化(hua)鈣(gai)和(he)二(er)(er)氧(yang)化(hua)碳(tan)(tan)，氧(yang)化(hua)鈣(gai)能和(he)二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)反(fan)應(ying)生成(cheng)(cheng)硅(gui)(gui)(gui)酸鈣(gai)，從而除去鐵(tie)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)．. 碳(tan)(tan)酸鈣(gai)受(shou)熱分(fen)(fen)解(jie)的(de)化(hua)學(xue)(xue)方(fang)程式(shi)(shi) 1、在煉(lian)鐵(tie)中(zhong)(zhong)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)起作用是將礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)等雜(za)質轉(zhuan)變(bian)為(wei)爐(lu)(lu)渣(zha)而除去；根據書寫化(hua)學(xue)(xue)方(fang)程式(shi)(shi)的(de)步驟,煉(lian)鐵(tie)原理的(de)化(hua)學(xue)(xue)方(fang)程式(shi)(shi)為(wei)：fe2o3+3co2fe+3co2； 2、石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)主(zhu)要(yao)成(cheng)(cheng)分(fen)(fen)碳(tan)(tan)酸 在煉(lian)鐵(tie)工業(ye)中(zhong)(zhong),常用石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)將鐵(tie)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)雜(za)質二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)轉(zhuan)化(hua)為(wei) 在煉(lian)鐵(tie)工業(ye)中(zhong)(zhong),常用石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)將鐵(tie) ...煉(lian)鐵(tie)中(zhong)(zhong)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)除二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)的(de)方(fang)程式(shi)(shi)煉(lian)鐵(tie)時為(wei)什么要(yao)用石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)將二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)轉(zhuan)化(hua)成(cheng)(cheng)爐(lu)(lu)渣(zha)？. #熱議# 作為(wei)女(nv)性(xing)，你生活(huo)中(zhong)(zhong)有(you)感(gan)受(shou)到“不安(an)全感(gan)”的(de)時刻(ke)嗎(ma)？. 這(zhe)是為(wei)了(le)除去生鐵(tie)中(zhong)(zhong)的(de)雜(za)質。. 石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)加入后在高溫下分(fen)(fen)解(jie)成(cheng)(cheng)CO2和(he)CaO，CO2和(he)C反(fan)應(ying)成(cheng)(cheng)CO參與煉(lian)鐵(tie)。. CaO和(he)鐵(tie)水中(zhong)(zhong)的(de)硫、硅(gui)(gui)(gui)等雜(za)質生成(cheng)(cheng)CaS和(he)CaSiO3等浮 煉(lian)鐵(tie)時為(wei)什么要(yao)用石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)石(shi)(shi)(shi)(shi)將二(er)(er)氧(yang)化(hua)硅(gui)(gui)(gui)轉(zhuan)化(hua)成(cheng)(cheng)爐(lu)(lu)渣(zha)？_百度知道
煉鐵為什么要加入石灰石-百度經驗
化(hua)(hua)(hua)學方(fang)程式(shi)： CaCO3=CaO+CO2. CaO+SiO2=CaSiO3. 煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)要加入(ru)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)原理. 煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)時用(yong)(yong)(yong)(yong)的(de)鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，主要有赤鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(主要成(cheng)分是氧(yang)(yang)化(hua)(hua)(hua)鐵(tie)(tie)(tie)(tie))和磁鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(主要成(cheng)分是四氧(yang)(yang)化(hua)(hua)(hua)三鐵(tie)(tie)(tie)(tie))，在鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)還含有無用(yong)(yong)(yong)(yong)的(de)脈石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，主要成(cheng)分是二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)(SiO2)。 ... 氧(yang)(yang)化(hua)(hua)(hua)鈣在高(gao)溫(wen)下與二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)反應生(sheng)成(cheng) 煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)(qu)(qu)二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui). ... （2015?宜昌）在煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)工業中(zhong)，常用(yong)(yong)(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)將(jiang)鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)雜質二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)轉(zhuan)化(hua)(hua)(hua)為爐(lu)渣除(chu)去(qu)(qu)(qu)，發生(sheng)反應的(de)化(hua)(hua)(hua)學方(fang)程式(shi)為：CaCO 3 +SiO 2 ... 它磨粉加工后還可應用(yong)(yong)(yong)(yong)于諸多領域如石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)可用(yong)(yong)(yong)(yong)于制造玻璃，純堿，燒堿等，煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)用(yong)(yong)(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)作(zuo)熔劑(ji)，除(chu)去(qu)(qu)(qu)煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)(qu)(qu)二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)在煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)過程中(zhong)的(de)作(zuo)用(yong)(yong)(yong)(yong),煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)的(de)方(fang)法. 因為煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)的(de)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)含有一(yi)定量的(de)二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui),所以石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)作(zuo)用(yong)(yong)(yong)(yong)是將(jiang)二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)等雜質轉(zhuan)變為爐(lu)渣而(er)除(chu)去(qu)(qu)(qu)。. 石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)加入(ru)后 ... 300噸石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)破(po)(po)碎機,小時鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi) 破(po)(po)碎 ... 本站地圖. 上一(yi)頁: 中(zhong)國礦(kuang)渣立磨機結構原理. 下一(yi)頁: 辦石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)場 ...煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)時使用(yong)(yong)(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)可以把鐵(tie)(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)二(er)(er)(er)(er)氧(yang)(yang)化(hua)(hua)(hua)硅(gui)轉(zhuan)變成(cheng)爐(lu)渣而(er)除(chu)去(qu)(qu)(qu)
煉鐵時使用石灰石可以把鐵礦石中的二氧化硅轉變成爐渣而除去
石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)二氧(yang)(yang)化(hua)(hua)(hua)硅(gui)方(fang)程(cheng)式(shi),石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)二氧(yang)(yang)化(hua)(hua)(hua)硅(gui)方(fang)程(cheng)式(shi). 1. (2015九上藍田(tian)期末)在(zai)煉鐵(tie)工(gong)業中(zhong)(zhong)(zhong),常(chang)用(yong)石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)將(jiang)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)雜質二氧(yang)(yang)化(hua)(hua)(hua)硅(gui)轉化(hua)(hua)(hua)為(wei)爐(lu)渣除(chu)去(qu),發(fa)生(sheng)反(fan)應的(de)(de)(de)(de)化(hua)(hua)(hua)學方(fang)程(cheng)式(shi)為(wei):caco3+sio2x+co2↑,其(qi)中(zhong)(zhong)(zhong)x的(de)(de)(de)(de)化(hua)(hua)(hua)學式(shi)是a.cas。2020年(nian)(nian)7月(yue)7日(ri)? 化(hua)(hua)(hua)學 物質 練習(xi)(xi)題(ti) 方(fang)程(cheng)式(shi) 變化(hua)(hua)(hua) 反(fan)應. 物質的(de)(de)(de)(de)化(hua)(hua)(hua)學變化(hua)(hua)(hua)一(yi)、選擇題(ti) (每小題(ti)2分,共30原子種類(lei)(lei)元(yuan)(yuan)素種類(lei)(lei)分子種類(lei)(lei)物質種類(lei)(lei)2.在(zai)煉鐵(tie)工(gong)業中(zhong)(zhong)(zhong),常(chang)用(yong)石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)將(jiang)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)雜質二氧(yang)(yang)化(hua)(hua)(hua)硅(gui)轉化(hua)(hua)(hua)為(wei)爐(lu)渣除(chu)去(qu),發(fa)生(sheng)反(fan)應的(de)(de)(de)(de)化(hua)(hua)(hua)學方(fang)程(cheng)式(shi)為(wei)CaCO3+SiO2X+CO2,其(qi)中(zhong)(zhong)(zhong)X的(de)(de)(de)(de)化(hua)(hua)(hua)學式(shi)是A.CaSiO4B.Ca2SiO3C.CaSi2O3D ...2020屆中(zhong)(zhong)(zhong)考(kao)化(hua)(hua)(hua)學復習(xi)(xi)專題(ti)壓軸練習(xi)(xi)題(ti)卷：物質的(de)(de)(de)(de)化(hua)(hua)(hua)學變化(hua)(hua)(hua) - 豆(dou)丁網(wang)用(yong)赤鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)煉鐵(tie)時，把(ba)赤鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)和焦炭、石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)一(yi)起加(jia)入高(gao)爐(lu)，并通入空(kong)氣(qi)，在(zai)高(gao)溫下發(fa)生(sheng)反(fan)應，其(qi)中(zhong)(zhong)(zhong)不可能發(fa)生(sheng)的(de)(de)(de)(de)化(hua)(hua)(hua)學反(fan)應是（ ）. 1年(nian)(nian)前 1個(ge)回答. 有(you)關工(gong)業煉鐵(tie)煉鋼的(de)(de)(de)(de)說(shuo)法(fa)正確(que)的(de)(de)(de)(de)是A冶煉鐵(tie)的(de)(de)(de)(de)原料(liao)中(zhong)(zhong)(zhong),石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)作用(yong)是除(chu)去(qu)鐵(tie)礦(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)磷元(yuan)(yuan)素B工(gong)業上用(yong)熱還原法(fa) ...煉鐵(tie)時石(shi)(shi)(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)作用(yong)（2個(ge)方(fang)程(cheng)式(shi)） - 雨露學習(xi)(xi)互助(zhu)
精心整理，初中化學金屬專題15大考試重點_合金
2018年10月8日? 注意：石(shi)(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)(shi)的(de)(de)主要作(zuo)(zuo)用(yong)(yong)(yong)是(shi)將礦(kuang)(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)(de)二氧(yang)(yang)化(hua)硅轉變為(wei)(wei)爐渣。 煉(lian)(lian)(lian)鋼(gang)設備：轉爐、電爐、平爐。 原(yuan)理：在(zai)高(gao)溫(wen)條(tiao)件(jian)(jian)下，用(yong)(yong)(yong)氧(yang)(yang)氣(qi)或鐵(tie)(tie)(tie)(tie)的(de)(de)氧(yang)(yang)化(hua)物(wu)把(ba)生鐵(tie)(tie)(tie)(tie)中(zhong)所含的(de)(de)過(guo)量的(de)(de)碳和(he)其它雜質轉變為(wei)(wei)氣(qi)體和(he)爐渣而除去。c+o2==點燃==co2. 考點14. 金屬(shu)的(de)(de)銹(xiu)(xiu)蝕和(he)保護2011年11月8日? 用(yong)(yong)(yong)高(gao)爐煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)時(shi)，必(bi)須(xu)在(zai)高(gao)溫(wen)下加入石(shi)(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)(shi)，除去鐵(tie)(tie)(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)(de) ... 用(yong)(yong)(yong)高(gao)爐煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)時(shi)，必(bi)須(xu)在(zai)高(gao)溫(wen)下加入石(shi)(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)(shi)，除去鐵(tie)(tie)(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)(de)二氧(yang)(yang)化(hua)硅，試運(yun)用(yong)(yong)(yong)氧(yang)(yang)化(hua)物(wu)的(de)(de)知識，寫出有關(guan)的(de)(de)化(hua)學方程(cheng)式(shi) ... 解析分(fen)析：石(shi)(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)(shi)中(zhong)的(de)(de)碳酸(suan)鈣 在(zai)高(gao)溫(wen)條(tiao)件(jian)(jian)下分(fen)解能 ...在(zai)煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie)是(shi)加入碳酸(suan)鈣是(shi)為(wei)(wei)了什么工業上常(chang)用(yong)(yong)(yong)赤鐵(tie)(tie)(tie)(tie)礦(kuang)(kuang)和(he)一(yi)(yi)氧(yang)(yang)化(hua)碳煉(lian)(lian)(lian)鐵(tie)(tie)(tie)(tie),該(gai)反應的(de)(de)化(hua)學方程(cheng)式(shi)為(wei)(wei)_____。(3)炒菜時(shi),油鍋(guo)中(zhong)的(de)(de)油不(bu)慎(shen)起(qi)火(huo),小明做了一(yi)(yi)個簡單的(de)(de)操作(zuo)(zuo),火(huo)就熄滅了。 ... 、石(shi)(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)(shi)等原(yuan)料粉碎,按照適當的(de)(de)比例(li)混合(he)后,經過(guo)高(gao)溫(wen)加熱制得普(pu)通玻(bo)璃,同時(shi)會(hui)產生co2。 ... ,而一(yi)(yi)些鐵(tie)(tie)(tie)(tie)絲表(biao)面銹(xiu)(xiu)跡斑(ban)(ban)斑(ban)(ban),用(yong)(yong)(yong) ...乙炔是(shi)三大(da)合(he)成(cheng)材料工業重(zhong)要的(de)(de)基本原(yuan)料之(zhi)一(yi)(yi),可生產塑料、橡膠纖(xian)
高一上學期化學方程式匯總 - 豆丁網
2019年3月(yue)5日? 高(gao)一(yi)上學期化(hua)(hua)學方(fang)程(cheng)式(shi)(shi)匯總.doc. 高(gao)一(yi)上學期化(hua)(hua)學方(fang)程(cheng)式(shi)(shi)匯總（一(yi)）氯(lv)、溴、碘(dian)的(de)單質(zhi)及其化(hua)(hua)合物1．電解飽和食鹽水：2NaCl+2H+4HCl (濃(nong))MnCl3．鐵(tie)(tie)(tie)絲在(zai)(zai)氯(lv)氣中(zhong)(zhong)(zhong)燃燒：2Fe+3Cl4．銅絲在(zai)(zai)氯(lv)氣中(zhong)(zhong)(zhong)燃燒：Cu+Cl5．鋁在(zai)(zai)氯(lv)氣中(zhong)(zhong)(zhong)燃燒：2Al+3Cl6．鈉(na)在(zai)(zai)氯(lv)氣中(zhong)(zhong)(zhong)燃燒：2Na+Cl2NaCl7．氫氣在(zai)(zai)氯(lv)氣 ...煉(lian)(lian)(lian)鐵(tie)(tie)(tie)時用(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)二(er)(er)氧化(hua)(hua)硅反(fan)應化(hua)(hua)學方(fang)程(cheng)式(shi)(shi)_破碎(sui)機廠家(jia)在(zai)(zai)鐵(tie)(tie)(tie)礦石(shi)(shi)(shi)(shi)(shi)(shi)中(zhong)(zhong)(zhong)還(huan)含有無用(yong)(yong)的(de)脈(mo)石(shi)(shi)(shi)(shi)(shi)(shi),主要(yao)成分是(shi)二(er)(er)氧化(hua)(hua)硅。煉(lian)(lian)(lian)鐵(tie)(tie)(tie)時,被(bei)還(huan)原出的(de)鐵(tie)(tie)(tie)在(zai)(zai)高(gao)溫(wen)下變(bian)成液體,而二(er)(er)氧化(hua)(hua)硅熔點(dian)很(hen)高(gao)的(de)顆粒(li)雜質(zhi)混在(zai)(zai)煉(lian)(lian)(lian)出的(de)鐵(tie)(tie)(tie)水中(zhong)(zhong)(zhong)。為了(le)除(chu)去(qu)這種雜質(zhi),選用(yong)(yong)。煉(lian)(lian)(lian)鐵(tie)(tie)(tie)。煉(lian)(lian)(lian)鐵(tie)(tie)(tie)時除(chu)去(qu)硅雜質(zhi)煉(lian)(lian)(lian)鐵(tie)(tie)(tie)時用(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)除(chu)去(qu)二(er)(er)氧化(hua)(hua)硅反(fan)應化(hua)(hua)學方(fang)程(cheng)式(shi)(shi)_破碎(sui)機廠家(jia)工業(ye)煉(lian)(lian)(lian)鐵(tie)(tie)(tie)中(zhong)(zhong)(zhong)石(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)與二(er)(er)氧化(hua)(hua)硅生(sheng)成爐渣(zha)的(de)反(fan)應是(shi)什么?爐渣(zha)_百度知道根據題(ti)意(yi),書寫出反(fan)應的(de)化(hua)(hua)學方(fang)程(cheng)式(shi)(shi),由石(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)樣(yang)。 下列各物質(zhi)按照單質(zhi)、氧化(hua)(hua)物、混合物的(de)順序排列的(de)是(shi)a.冰(bing)、干冰(bing)、食醋(cu)b.氮氣、氧。工業(ye)煉(lian)(lian)(lian)鐵(tie)(tie)(tie)中(zhong)(zhong)(zhong)石(shi)(shi)(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)(shi)(shi)怎樣(yang)將(jiang)二(er)(er)氧化(hua)(hua)硅轉變(bian)為爐渣(zha)
在工業煉鐵的過程中用石灰石來做什么？_百度知道 - Baidu
2006年12月31日? 1、在(zai)(zai)煉(lian)鐵(tie)(tie)中(zhong)(zhong)石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)起作用(yong)(yong)是(shi)(shi)將(jiang)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)(de)(de)(de)二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)等雜(za)質轉變為(wei)(wei)爐渣而除(chu)去；根據書寫化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)的(de)(de)(de)(de)步驟，煉(lian)鐵(tie)(tie)原(yuan)理的(de)(de)(de)(de)化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)為(wei)(wei)：Fe2O3+3CO2Fe+3CO2 ； 2、石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)主(zhu)要(yao)成分(fen)(fen)碳(tan)酸鈣(gai)(CaCO3)。碳(tan)酸鈣(gai)是(shi)(shi)鈣(gai)的(de)(de)(de)(de)碳(tan)酸鹽化(hua)(hua)(hua)(hua)合物(wu)，化(hua)(hua)(hua)(hua)學(xue)式(shi)(shi)是(shi)(shi)CaCO3。基本上它并 化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)： CaCO3=CaO+CO2. CaO+SiO2=CaSiO3. 煉(lian)鐵(tie)(tie)要(yao)加(jia)入(ru)(ru)石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)原(yuan)理. 煉(lian)鐵(tie)(tie)時用(yong)(yong)的(de)(de)(de)(de)鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)，主(zhu)要(yao)有(you)(you)赤鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)(主(zhu)要(yao)成分(fen)(fen)是(shi)(shi)氧(yang)化(hua)(hua)(hua)(hua)鐵(tie)(tie))和磁鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)(主(zhu)要(yao)成分(fen)(fen)是(shi)(shi)四氧(yang)化(hua)(hua)(hua)(hua)三鐵(tie)(tie))，在(zai)(zai)鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)還含有(you)(you)無用(yong)(yong)的(de)(de)(de)(de)脈石(shi)(shi)(shi)(shi)，主(zhu)要(yao)成分(fen)(fen)是(shi)(shi)二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)(SiO2)。 ... 氧(yang)化(hua)(hua)(hua)(hua)鈣(gai)在(zai)(zai)高溫下與(yu)二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)反應生成 煉(lian)鐵(tie)(tie)為(wei)(wei)什(shen)么要(yao)加(jia)入(ru)(ru)石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)-百度經驗答案. 石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)(de)(de)(de)碳(tan)酸鈣(gai)在(zai)(zai)高溫條件下分(fen)(fen)解(jie)能(neng)生成氧(yang)化(hua)(hua)(hua)(hua)鈣(gai)和二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)碳(tan)，氧(yang)化(hua)(hua)(hua)(hua)鈣(gai)能(neng)和二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)反應生成硅(gui)(gui)酸鈣(gai)，從(cong)而除(chu)去鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)(de)(de)(de)二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)．. 碳(tan)酸鈣(gai)受熱(re)分(fen)(fen)解(jie)的(de)(de)(de)(de)化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)為(wei)(wei)：CaCO3高溫CaO+CO2↑．氧(yang)化(hua)(hua)(hua)(hua)鈣(gai)和二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)在(zai)(zai)高溫條件下反應的(de)(de)(de)(de)化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)為(wei)(wei)：CaO+SiO2高溫 ...用(yong)(yong)高爐煉(lian)鐵(tie)(tie)時，必須在(zai)(zai)高溫下加(jia)入(ru)(ru)石(shi)(shi)(shi)(shi)灰(hui)(hui)石(shi)(shi)(shi)(shi)，除(chu)去鐵(tie)(tie)礦石(shi)(shi)(shi)(shi)中(zhong)(zhong)的(de)(de)(de)(de)二(er)(er)(er)氧(yang)化(hua)(hua)(hua)(hua)硅(gui)(gui)，試運用(yong)(yong)氧(yang)化(hua)(hua)(hua)(hua)物(wu)的(de)(de)(de)(de)知識，寫出有(you)(you)關的(de)(de)(de)(de)化(hua)(hua)(hua)(hua)學(xue)方(fang)(fang)程式(shi)(shi)
2020屆中考化學復習專題壓軸練習題卷：物質的化學變化 - 豆丁網
2020年7月7日? 化(hua)(hua)(hua)(hua)學 物(wu)質 練習題(ti) 方程式(shi) 變化(hua)(hua)(hua)(hua) 反(fan)應. 物(wu)質的(de)(de)(de)化(hua)(hua)(hua)(hua)學變化(hua)(hua)(hua)(hua)一、選擇(ze)題(ti) (每(mei)小題(ti)2分(fen)(fen),共30原(yuan)(yuan)子種(zhong)類(lei)(lei)元素(su)種(zhong)類(lei)(lei)分(fen)(fen)子種(zhong)類(lei)(lei)物(wu)質種(zhong)類(lei)(lei)2.在煉(lian)鐵(tie)(tie)工業中,常用石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)將鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)中的(de)(de)(de)雜質二氧化(hua)(hua)(hua)(hua)硅轉(zhuan)(zhuan)化(hua)(hua)(hua)(hua)為(wei)(wei)爐渣(zha)(zha)(zha)除(chu)去(qu),發生(sheng)(sheng)反(fan)應的(de)(de)(de)化(hua)(hua)(hua)(hua)學方程式(shi)為(wei)(wei)CaCO3+SiO2X+CO2,其中X的(de)(de)(de)化(hua)(hua)(hua)(hua)學式(shi)是A.CaSiO4B.Ca2SiO3C.CaSi2O3D ...用赤鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)煉(lian)鐵(tie)(tie)時，把赤鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)和(he)焦炭(tan)、石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)一起加入高(gao)爐，并(bing)通入空(kong)氣，在高(gao)溫下發生(sheng)(sheng)反(fan)應，其中不可能發生(sheng)(sheng)的(de)(de)(de)化(hua)(hua)(hua)(hua)學反(fan)應是（ ）. 1年前(qian) 1個(ge)回答. 有關(guan)工業煉(lian)鐵(tie)(tie)煉(lian)鋼(gang)的(de)(de)(de)說法(fa)正確的(de)(de)(de)是A冶煉(lian)鐵(tie)(tie)的(de)(de)(de)原(yuan)(yuan)料(liao)中,石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)的(de)(de)(de)作用是除(chu)去(qu)鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)中的(de)(de)(de)磷元素(su)B工業上用熱還(huan)原(yuan)(yuan)法(fa) ...煉(lian)鐵(tie)(tie)時石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)的(de)(de)(de)作用（2個(ge)方程式(shi)） - 雨露學習互(hu)助2018年10月8日? 注意：石(shi)(shi)(shi)(shi)灰石(shi)(shi)(shi)(shi)的(de)(de)(de)主要作用是將礦(kuang)石(shi)(shi)(shi)(shi)中的(de)(de)(de)二氧化(hua)(hua)(hua)(hua)硅轉(zhuan)(zhuan)變為(wei)(wei)爐渣(zha)(zha)(zha)。 煉(lian)鋼(gang)設(she)備：轉(zhuan)(zhuan)爐、電(dian)爐、平爐。 原(yuan)(yuan)理(li)：在高(gao)溫條件下，用氧氣或鐵(tie)(tie)的(de)(de)(de)氧化(hua)(hua)(hua)(hua)物(wu)把生(sheng)(sheng)鐵(tie)(tie)中所含(han)的(de)(de)(de)過量的(de)(de)(de)碳(tan)和(he)其它雜質轉(zhuan)(zhuan)變為(wei)(wei)氣體和(he)爐渣(zha)(zha)(zha)而除(chu)去(qu)。c+o2==點(dian)燃==co2. 考(kao)點(dian)14. 金屬的(de)(de)(de)銹蝕和(he)保護精心(xin)整理(li)，初中化(hua)(hua)(hua)(hua)學金屬專題(ti)15大考(kao)試(shi)重點(dian)_合金
煉鐵時使用石灰石可以把鐵礦石中的二氧化硅轉變成爐渣而除去
石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)在(zai)煉(lian)鐵(tie)(tie)過(guo)程中(zhong)(zhong)(zhong)(zhong)(zhong)的作用(yong),煉(lian)鐵(tie)(tie)的方法. 因為(wei)煉(lian)鐵(tie)(tie)的礦(kuang)(kuang)石(shi)(shi)(shi)中(zhong)(zhong)(zhong)(zhong)(zhong)含有一定(ding)量的二(er)氧(yang)化(hua)(hua)硅,所(suo)以石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)的作用(yong)是將二(er)氧(yang)化(hua)(hua)硅等雜質(zhi)轉變為(wei)爐渣而除去(qu)。. 石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)加入后 ... 300噸(dun)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)破碎機,小時鐵(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi) 破碎 ... 本站(zhan)地圖. 上一頁: 中(zhong)(zhong)(zhong)(zhong)(zhong)國礦(kuang)(kuang)渣立(li)磨機結構原理(li). 下一頁: 辦石(shi)(shi)(shi)場 ...2018年6月(yue)6日? 由于(yu)煉(lian)鐵(tie)(tie)的主要原料有鐵(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi)、焦炭(tan)、石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)和空氣(qi)(qi)（不用(yong)準備，只需(xu)設(she)法鼓入高爐即可(ke)）等，所(suo)以，前三個空分(fen)別是：鐵(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi)、焦炭(tan)、石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)；. 煉(lian)鐵(tie)(tie)的原理(li)是在(zai)高溫條件下，利用(yong)焦炭(tan)與(yu)氧(yang)氣(qi)(qi)反(fan)應生成(cheng)的一氧(yang)化(hua)(hua)碳把鐵(tie)(tie)從鐵(tie)(tie)礦(kuang)(kuang)石(shi)(shi)(shi)里還(huan)原出來(lai)；其化(hua)(hua)學方程式(shi) 煉(lian)鐵(tie)(tie)的化(hua)(hua)學方程式(shi)2019年3月(yue)5日? 高一上學期化(hua)(hua)學方程式(shi)匯總.doc. 高一上學期化(hua)(hua)學方程式(shi)匯總（一）氯(lv)、溴、碘的單(dan)質(zhi)及(ji)其化(hua)(hua)合物1．電(dian)解飽和食鹽水：2NaCl+2H+4HCl (濃)MnCl3．鐵(tie)(tie)絲在(zai)氯(lv)氣(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)燃燒(shao)：2Fe+3Cl4．銅絲在(zai)氯(lv)氣(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)燃燒(shao)：Cu+Cl5．鋁在(zai)氯(lv)氣(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)燃燒(shao)：2Al+3Cl6．鈉在(zai)氯(lv)氣(qi)(qi)中(zhong)(zhong)(zhong)(zhong)(zhong)燃燒(shao)：2Na+Cl2NaCl7．氫氣(qi)(qi)在(zai)氯(lv)氣(qi)(qi) ...高一上學期化(hua)(hua)學方程式(shi)匯總 - 豆丁網
冶煉鐵加碳酸鈣的原因
石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)石(shi)(shi)(shi)(shi)在(zai)冶煉(lian)(lian)鐵(tie)(tie)(tie)的(de)(de)(de)(de)(de)(de)過程(cheng)中起除(chu)去脈(mo)石(shi)(shi)(shi)(shi)（主(zhu)(zhu)要(yao)(yao)成(cheng)(cheng)分(fen)是(shi)SiO2）的(de)(de)(de)(de)(de)(de)作用.方(fang)(fang)程(cheng)式(shi)(shi)是(shi)：SiO2+CaCO3====CaSiO3+CO2（g）反應(ying)條件的(de)(de)(de)(de)(de)(de)高溫 解答：解：碳酸(suan)鈣(gai)(gai)(gai)受熱分(fen)解的(de)(de)(de)(de)(de)(de)化(hua)(hua)學方(fang)(fang)程(cheng)式(shi)(shi)為：CaCO3高溫.CaO+CO2↑．氧(yang)化(hua)(hua)鈣(gai)(gai)(gai)和(he)二氧(yang)化(hua)(hua)硅(gui)在(zai)高溫條件下反應(ying)的(de)(de)(de)(de)(de)(de)化(hua)(hua)學方(fang)(fang)程(cheng)式(shi)(shi)為：CaO+SiO2高溫.CaSiO3．2022年(nian)1月11日? 煉(lian)(lian)鐵(tie)(tie)(tie)時用的(de)(de)(de)(de)(de)(de)鐵(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)，主(zhu)(zhu)要(yao)(yao)有(you)赤鐵(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(主(zhu)(zhu)要(yao)(yao)成(cheng)(cheng)分(fen)是(shi)氧(yang)化(hua)(hua)鐵(tie)(tie)(tie))和(he)磁鐵(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)(主(zhu)(zhu)要(yao)(yao)成(cheng)(cheng)分(fen)是(shi)Fe3O4)，在(zai)鐵(tie)(tie)(tie)礦(kuang)石(shi)(shi)(shi)(shi)中還(huan)含有(you)無用的(de)(de)(de)(de)(de)(de)脈(mo)石(shi)(shi)(shi)(shi)，主(zhu)(zhu)要(yao)(yao)成(cheng)(cheng)分(fen)是(shi)二氧(yang)化(hua)(hua)硅(gui)(SiO2)。 煉(lian)(lian)鐵(tie)(tie)(tie)時，被還(huan)原出的(de)(de)(de)(de)(de)(de)鐵(tie)(tie)(tie)在(zai)高溫下變成(cheng)(cheng)液體，溫度(du)在(zai)1535℃左右，原燃料(liao)中的(de)(de)(de)(de)(de)(de)SiO2、Al2O3等酸(suan)性氧(yang)化(hua)(hua)物的(de)(de)(de)(de)(de)(de)熔(rong)點(dian)很高（SiO2為 ...高爐礦(kuang)渣與鋼渣的(de)(de)(de)(de)(de)(de)區別(bie)（產生(sheng)機理和(he)處理方(fang)(fang)法） - 簡書生(sheng)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)、熟石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)、石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)石(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)介紹. 生(sheng)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui). 生(sheng)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)化(hua)(hua)學式(shi)(shi)是(shi)CaO，這(zhe)是(shi)在(zai)我(wo)們的(de)(de)(de)(de)(de)(de)建筑工(gong)地(di)上(shang)經(jing)常會撿到這(zhe)種東西，又(you)叫氧(yang)化(hua)(hua)鈣(gai)(gai)(gai)，是(shi)將一(yi)種主(zhu)(zhu)要(yao)(yao)成(cheng)(cheng)分(fen)為碳酸(suan)鈣(gai)(gai)(gai)的(de)(de)(de)(de)(de)(de)天然巖(yan)石(shi)(shi)(shi)(shi)，在(zai)適當的(de)(de)(de)(de)(de)(de)情況(kuang)下煅燒，排除(chu)二氧(yang)化(hua)(hua)碳氣體之后所剩下的(de)(de)(de)(de)(de)(de)氧(yang)化(hua)(hua)鈣(gai)(gai)(gai)，一(yi)般人拿他當做干燥劑。這(zhe)是(shi)一(yi)種白(bai)色的(de)(de)(de)(de)(de)(de)物體，形(xing)狀不固定。生(sheng)石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)、熟石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)、石(shi)(shi)(shi)(shi)灰(hui)(hui)(hui)(hui)石(shi)(shi)(shi)(shi)，傻傻分(fen)不清楚 - 知乎
煉鐵時為什么要加入石灰石
2012年1月(yue)4日(ri)? 用高(gao)爐煉(lian)(lian)鐵(tie)(tie)時，必(bi)須在(zai)高(gao)溫(wen)(wen)下加入(ru)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)，除(chu)(chu)去(qu)(qu)鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)中(zhong)(zhong)的(de)二氧(yang)(yang)化硅，試運(yun)用氧(yang)(yang)化物的(de)知識(shi)，寫出有關的(de)化學方程式： 煉(lian)(lian)鋼煉(lian)(lian)鐵(tie)(tie)_文檔(dang)資料共享網 B.煉(lian)(lian)鋼是(shi)生(sheng)鐵(tie)(tie)被氧(yang)(yang)化的(de)過程 C.煉(lian)(lian)鐵(tie)(tie)高(gao)爐中(zhong)(zhong)加入(ru)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)的(de)目(mu)的(de)是(shi)除(chu)(chu)脈石(shi)(shi)(shi) D.煉(lian)(lian)鋼轉爐中(zhong)(zhong)加入(ru)的(de)生(sheng)石(shi)(shi)(shi)灰(hui)是(shi)造渣劑 3、在(zai)煉(lian)(lian) 2011年11月(yue)8日(ri)? 用高(gao)爐煉(lian)(lian)鐵(tie)(tie)時，必(bi)須在(zai)高(gao)溫(wen)(wen)下加入(ru)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)，除(chu)(chu)去(qu)(qu)鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)中(zhong)(zhong)的(de) ... 用高(gao)爐煉(lian)(lian)鐵(tie)(tie)時，必(bi)須在(zai)高(gao)溫(wen)(wen)下加入(ru)石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)，除(chu)(chu)去(qu)(qu)鐵(tie)(tie)礦(kuang)石(shi)(shi)(shi)中(zhong)(zhong)的(de)二氧(yang)(yang)化硅，試運(yun)用氧(yang)(yang)化物的(de)知識(shi)，寫出有關的(de)化學方程式 ... 解析(xi)分析(xi)：石(shi)(shi)(shi)灰(hui)石(shi)(shi)(shi)中(zhong)(zhong)的(de)碳酸鈣(gai) 在(zai)高(gao)溫(wen)(wen)條件下分解能(neng) ...在(zai)煉(lian)(lian)鐵(tie)(tie)是(shi)加入(ru)碳酸鈣(gai)是(shi)為了什么 - Icedu.org
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