kuangwubenshendexingzhijishikeyigaibian,danyebijiaokunnanhuobujingji,liruzhumojibingfeiduigezhongkuangwujizaigezhongqingkuangxiajunyouzuoyong,qitawulifangfajinrugongyeshengchanshiyongyehaiyouyiduanxiangdangdejuli。yinci,yikaotiaojieqiumojishebeilaiqianghuaxuanzexingmosuizuoyongjiangshizhuyaofangmian,qizhongdatibaokuoruxiayixiefangfahuoshouduan:
(1)注重球磨機的選型,選用選擇磨碎作用強的球磨機。一般地說,磨碎產品解離的選擇性較高,泥化較輕(但也有的礦料磨礦時產品泥化嚴重),球qiu磨mo機ji的de選xuan擇ze性xing磨mo碎sui作zuo用yong效xiao果guo不bu是shi很hen好hao,所suo以yi更geng要yao注zhu重zhong其qi型xing號hao的de選xuan擇ze。在zai一yi些xie新xin研yan製zhi的de球qiu磨mo機ji中zhong,例li如ru新xin型xing球qiu磨mo機ji等deng具ju有you較jiao強qiang的de選xuan擇ze性xing磨mo碎sui作zuo用yong。選煤廠中的煤泥球磨機,既有選擇性磨碎作用,也有篩選作用,實際上是在球磨機中完成了磨礦及選別的任務,這是一種為煤礦使用的選擇性磨礦而設計的球磨機。
(2)采cai用yong閉bi路lu磨mo礦kuang循xun環huan工gong作zuo有you利li於yu增zeng強qiang選xuan擇ze性xing磨mo碎sui作zuo用yong。開kai路lu磨mo礦kuang由you於yu要yao一yi次ci將jiang礦kuang石shi磨mo到dao較jiao細xi的de拉la度du,因yin此ci所suo需xu的de磨mo碎sui時shi間jian長chang,選xuan擇ze性xing磨mo碎sui作zuo用yong減jian弱ruo,而er閉bi路lu磨mo礦kuang時shi礦kuang料liao被bei磨mo的de機ji會hui多duo,但dan每mei一yi次ci被bei磨mo的de時shi間jian短duan,所suo以yi選xuan擇ze性xing磨mo碎sui作zuo用yong強qiang。閉bi路lu磨mo礦kuang流liu程cheng中zhong的de分fen級ji設she備bei又you以yi按an礦kuang粒li幾ji何he尺chi寸cun分fen離li的de篩shai子zi為wei好hao,如ru果guo篩shai孔kong尺chi寸cun選xuan擇ze得de恰qia當dang,便bian能neng對dui存cun在zai粒li度du差cha的de礦kuang物wu組zu分fen實shi現xian一yi定ding的de質zhi質zhi量liang分fen離li,具ju有you強qiang的de選xuan擇ze性xing作zuo用yong。水shui力li分fen級ji設she備bei因yin按an礦kuang粒li沉chen落luo速su度du分fen級ji,受shou密mi度du的de影ying響xiang大da,沉chen砂sha中zhong常chang出chu現xian大da密mi度du礦kuang物wu的de富fu集ji,返fan回hui球qiu磨mo機ji再zai磨mo會hui增zeng加jia過guo粉fen碎sui,因yin而er對dui選xuan礦kuang回hui收shou不bu利li。
(3)合(he)理(li)地(di)選(xuan)擇(ze)鋼(gang)球(qiu)尺(chi)寸(cun)能(neng)增(zeng)強(qiang)球(qiu)磨(mo)機(ji)選(xuan)擇(ze)性(xing)磨(mo)碎(sui)作(zuo)用(yong)。鋼(gang)球(qiu)尺(chi)寸(cun)是(shi)調(tiao)整(zheng)球(qiu)磨(mo)機(ji)選(xuan)擇(ze)性(xing)磨(mo)碎(sui)作(zuo)用(yong)的(de)一(yi)個(ge)重(zhong)要(yao)因(yin)素(su),鋼(gang)球(qiu)尺(chi)寸(cun)若(ruo)選(xuan)擇(ze)恰(qia)當(dang),則(ze)可(ke)使(shi)破(po)碎(sui)力(li)精(jing)準(zhun),這(zhe)時(shi)礦(kuang)物(wu)沿(yan)晶(jing)界(jie)麵(mian)解(jie)離(li)的(de)選(xuan)擇(ze)性(xing)可(ke)以(yi)提(ti)高(gao),否(fou)則(ze)過(guo)大(da)的(de)鋼(gang)球(qiu)尺(chi)寸(cun)將(jiang)使(shi)破(po)碎(sui)力(li)過(guo)大(da),降(jiang)低(di)礦(kuang)物(wu)解(jie)離(li)的(de)選(xuan)擇(ze)性(xing),貫(guan)穿(chuan)破(po)碎(sui)作(zuo)用(yong)增(zeng)多(duo),過(guo)粉(fen)碎(sui)也(ye)會(hui)增(zeng)多(duo);fanzhi,guoxiaodegangqiuchicunzeshiposuilibuzu,jiangdiposuixiaolv。danyeyinggaikandao,guodaguoxiaodegangqiuzaiposuibutongyingdukuangwushizeyouqiangdexuanzexingmosuizuoyong,liruzaijingangshikuangshidemokuangzhong,jingangshiyingdujiaoda,erqieshihuishoudemudekuangwu,zaimokuangzhongxiwangjinkenengbubeiposui,zhixiwangposuiqitayingdudidemaishikuangwu,yincimencaiyongpianxiaodegangqiuchicun,yilimenmosuimaishikuangwuerbaohujingangshi,suoyimokuangchanpinjiuxingchengcudejingangshijixidemaishikuangwu,yongshaizijinxinglidufenlijikeyipaichumaishikuangwu。lvtukuangdemokuangyeshiruci。yishuilvshiyingdudayoushihuishoukuangwu,ermaishikuangwuyingduxiao,suoyiyongguoxiaoqiumokuangduimoximaishijipaichumaishiyouli。ruguoqingkuangxiangfan,xuyaocongyingdudademaishikuangwuzhongjielichuyingduxiaodeyouyongkuangwu,zekecaiyongguodadegangqiuchicunyiyouliyuyingkuangwudeposuijijianshaoruankuangwudeposui。
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