不bu管guan是shi使shi用yong什shen麼me設she備bei,從cong事shi什shen麼me行xing業ye,用yong戶hu最zui關guan心xin的de永yong遠yuan是shi生sheng產chan效xiao率lv,這zhe是shi毋wu庸yong置zhi疑yi的de,也ye是shi設she備bei廠chang家jia努nu力li要yao達da成cheng的de目mu標biao。本ben文wen紅hong星xing專zhuan家jia為wei大da家jia講jiang解jie永yong磁ci筒tong式shi磁ci選xuan機ji的de相xiang關guan知zhi識shi。影ying響xiang永yong磁ci筒tong式shi磁ci選xuan機ji工gong作zuo的de因yin素su較jiao多duo,除chu了le我wo們men熟shu知zhi的de底di箱xiang型xing式shi、磁係結構、磁場特性,還有那些那些因素會影響設備選別效率?
一、分選濃度
分(fen)選(xuan)濃(nong)度(du)的(de)大(da)小(xiao)決(jue)定(ding)一(yi)定(ding)礦(kuang)量(liang)的(de)礦(kuang)漿(jiang)流(liu)速(su),影(ying)響(xiang)礦(kuang)粒(li)的(de)分(fen)選(xuan)時(shi)間(jian)。濃(nong)度(du)高(gao),流(liu)速(su)慢(man),阻(zu)力(li)大(da),精(jing)礦(kuang)中(zhong)易(yi)夾(jia)雜(za)脈(mai)石(shi),降(jiang)低(di)精(jing)礦(kuang)質(zhi)量(liang)。但(dan)由(you)於(yu)選(xuan)別(bie)時(shi)間(jian)較(jiao)長(chang),對(dui)回(hui)收(shou)率(lv)有(you)利(li)。反(fan)之(zhi),若(ruo)分(fen)選(xuan)濃(nong)度(du)低(di),精(jing)礦(kuang)品(pin)位(wei)可(ke)以(yi)高(gao)些(xie),而(er)尾(wei)礦(kuang)品(pin)位(wei)也(ye)會(hui)增(zeng)高(gao),使(shi)回(hui)收(shou)率(lv)降(jiang)低(di)。
二、磁選偏角
cixipianjiaoruguobushidangjianghuimingxianyingxiangfenxuanzhibiao。suoweicixipianjiaojiushicixihumianzhongxinxianyuyuantongzhongxinchuizhixiandejiajiao。cixipianhouweikuangpinweidi,dandapianhoushi,youyujingkuangbunengtishengdaojingkuangduantuoluo,fanershiweikuangpinweishenggao。ruocixipianqian,zeshijingkuangtishengguogao,saoxuanqujianduan,yeshiweikuangpinweishenggao,suoyicixipianjiaoyingtiaozhengdaoshizhongweizhi。
三、工作間隙
cuxuanquyuantongbiaomiandaodixiangdibanzhijianjulichengweigongzuojianxi。gongzuojianxidedaxiaohuiyingxiangfenxuandexiaoguo。jianxida,kuangjiangdeliuliangyida,youliyutigaochuliliang,danyouyuliyuantongbiaomianjiaoyuan,cichangqiangdujiaodi,suoyihuishiweikuangpinweishenggao,jiangdijinshuhuishoulv。
反(fan)之(zhi),若(ruo)工(gong)作(zuo)間(jian)隙(xi)小(xiao),則(ze)增(zeng)大(da)磁(ci)場(chang)力(li),會(hui)使(shi)精(jing)礦(kuang)品(pin)位(wei)降(jiang)低(di),但(dan)回(hui)收(shou)率(lv)可(ke)以(yi)高(gao)些(xie)。若(ruo)工(gong)作(zuo)間(jian)隙(xi)太(tai)小(xiao),礦(kuang)漿(jiang)流(liu)速(su)會(hui)過(guo)快(kuai),使(shi)礦(kuang)粒(li)來(lai)不(bu)及(ji)吸(xi)到(dao)圓(yuan)筒(tong)表(biao)麵(mian)就(jiu)被(bei)礦(kuang)漿(jiang)流(liu)帶(dai)到(dao)尾(wei)礦(kuang),將(jiang)造(zao)成(cheng)尾(wei)礦(kuang)品(pin)位(wei)升(sheng)高(gao),甚(shen)至(zhi)會(hui)使(shi)尾(wei)礦(kuang)排(pai)出(chu)困(kun)難(nan),出(chu)現(xian)“滿槽”現象。因此在磁選機的安裝與維修時要注意保證合適的工作間隙。
四、圓筒轉速
圓筒轉速的大小對選別指標也有影響,轉速低、產量低;轉速高,礦粒所受離心力大,單位時間內磁翻作用增加,精礦品位與處理能力都高,而回收率則降低。
除chu此ci之zhi外wai,還hai有you其qi他ta可ke以yi影ying響xiang磁ci選xuan效xiao率lv的de小xiao細xi節jie,如ru調tiao節jie給gei礦kuang的de吹chui散san水shui與yu精jing礦kuang的de衝chong洗xi水shui也ye很hen重zhong要yao。不bu管guan是shi在zai生sheng活huo還hai是shi工gong作zuo中zhong,處chu處chu留liu心xin皆jie學xue問wen,紅hong星xing機ji器qi也ye希xi望wang大da家jia都dou能neng在zai工gong作zuo中zhong不bu斷duan學xue習xi,不bu斷duan進jin步bu,不bu斷duan成cheng長chang,不bu斷duan有you更geng多duo更geng好hao的de新xin發fa現xian。
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