
粉磨操作中,濕式球磨機的de工gong作zuo特te性xing可ke以yi利li用yong消xiao耗hao的de有you用yong功gong率lv來lai表biao示shi,當dang磨mo機ji及ji轉zhuan速su不bu變bian時shi,通tong過guo理li論lun及ji實shi際ji檢jian驗yan可ke以yi球qiu磨mo機ji電dian有you功gong功gong率lv和he球qiu磨mo機ji負fu荷he兩liang者zhe間jian有you一yi定ding的de聯lian係xi,隨sui著zhe磨mo機ji負fu荷he的de增zeng加jia,較jiao初chu球qiu磨mo機ji電dian機ji有you功gong功gong率lv是shi處chu於yu上shang升sheng趨qu勢shi的de,在zai到dao達da某mou一yi值zhi後hou,隨sui著zhe磨mo機ji負fu荷he增zeng加jia,有you功gong功gong率lv反fan而er下xia降jiang,因yin此ci,此ci值zhi可ke被bei當dang作zuo球qiu磨mo機ji負fu荷he的de較jiao佳jia值zhi,同tong時shi也ye表biao明ming有you功gong功gong率lv和he球qiu磨mo機ji負fu荷he有you著zhe直zhi接jie的de聯lian係xi。
實(shi)際(ji)操(cao)作(zuo)中(zhong),有(you)功(gong)功(gong)率(lv)法(fa)檢(jian)測(ce)信(xin)號(hao)受(shou)環(huan)境(jing)的(de)影(ying)響(xiang)是(shi)比(bi)較(jiao)小(xiao)的(de),其(qi)檢(jian)測(ce)結(jie)果(guo)較(jiao)準(zhun)確(que),但(dan)是(shi)其(qi)靈(ling)敏(min)度(du)不(bu)足(zu),對(dui)控(kong)製(zhi)效(xiao)果(guo)會(hui)有(you)一(yi)定(ding)影(ying)響(xiang),另(ling)外(wai)因(yin)影(ying)響(xiang)有(you)功(gong)功(gong)率(lv)的(de)因(yin)素(su)比(bi)較多,隻依靠球磨機的有功功率信號是不能確切判斷磨機內介質充填率水平的,同時還不能準確判斷球料比情況,另外,由於球磨機有功功率存在大值,因此當功率減小時是很難依據檢測信號來對球磨機負荷的增加、減小進行判斷的。
在(zai)振(zhen)動(dong)檢(jian)測(ce)操(cao)作(zuo)中(zhong),球(qiu)磨(mo)機(ji)運(yun)轉(zhuan)研(yan)磨(mo)體(ti)及(ji)物(wu)料(liao)偏(pian)於(yu)一(yi)側(ce),同(tong)時(shi)不(bu)斷(duan)的(de)滾(gun)滑(hua)和(he)下(xia)落(luo),對(dui)研(yan)磨(mo)物(wu)料(liao)產(chan)生(sheng)衝(chong)擊(ji)作(zuo)用(yong),球(qiu)磨(mo)機(ji)轉(zhuan)動(dong)部(bu)分(fen)始(shi)處(chu)於(yu)不(bu)平(ping)衡(heng)狀(zhuang)態(tai),促(cu)使(shi)不(bu)平(ping)衡(heng)離(li)心(xin)力(li)產(chan)生(sheng),磨(mo)機(ji)係(xi)統(tong)也(ye)會(hui)產(chan)生(sheng)振(zhen)動(dong),在(zai)磨(mo)機(ji)轉(zhuan)速(su)改(gai)變(bian)條(tiao)件(jian)下(xia),其(qi)振(zhen)動(dong)強(qiang)度(du)和(he)被(bei)磨(mo)物(wu)料(liao)量(liang)又(you)連(lian)續(xu),檢(jian)測(ce)出(chu)磨(mo)機(ji)的(de)振(zhen)動(dong)強(qiang)度(du)就(jiu)可(ke)以(yi)對(dui)磨(mo)機(ji)內(nei)物(wu)料(liao)負(fu)荷(he)進(jin)行(xing)表(biao)示(shi)。
以(yi)上(shang)操(cao)做(zuo)中(zhong)的(de)振(zhen)動(dong)法(fa)檢(jian)測(ce)信(xin)號(hao)是(shi)比(bi)較(jiao)靈(ling)敏(min)的(de),可(ke)碎(sui)石(shi)對(dui)球(qiu)磨(mo)機(ji)內(nei)物(wu)料(liao)變(bian)化(hua)進(jin)行(xing)檢(jian)測(ce),同(tong)時(shi)還(hai)不(bu)受(shou)附(fu)近(jin)噪(zao)聲(sheng)源(yuan)影(ying)響(xiang),傳(chuan)感(gan)器(qi)密(mi)封(feng)良(liang)好(hao),可(ke)以(yi)有(you)效(xiao)起(qi)到(dao)防(fang)水(shui)、防fang塵chen的de作zuo用yong,因yin此ci比bi較jiao適shi合he於yu生sheng產chan環huan節jie較jiao惡e劣lie的de選xuan礦kuang廠chang,但dan是shi如ru果guo電dian網wang電dian壓ya或huo是shi電dian網wang頻pin率lv有you改gai變bian時shi,磨mo機ji轉zhuan速su的de微wei小xiao變bian化hua或huo是shi磨mo機ji內nei研yan磨mo體ti的de損sun耗hao都dou會hui對dui物wu料liao負fu荷he控kong製zhi點dian造zao成cheng影ying響xiang,促cu使shi其qi產chan生sheng漂piao移yi現xian象xiang,對dui檢jian測ce及ji質zhi量liang控kong製zhi都dou不bu利li,那na麼me磨mo礦kuang濃nong度du的de大da小xiao及ji介jie質zhi充chong填tian率lv的de檢jian測ce也ye就jiu會hui受shou到dao影ying響xiang。
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