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合理科學的磨機級配方案有助提升磨機產量

    合理(li)的(de)研磨(mo)(mo)(mo)(mo)體級(ji)(ji)配(pei)和(he)(he)裝載量(liang)是保證水泥立磨(mo)(mo)(mo)(mo)粉磨(mo)(mo)(mo)(mo)系(xi)統良(liang)好運行的(de)基本要求(qiu),不(bu)合理(li)研磨(mo)(mo)(mo)(mo)體級(ji)(ji)配(pei)和(he)(he)裝載量(liang),不(bu)僅影響產品的(de)比(bi)(bi)表面積、細度,還制約了磨(mo)(mo)(mo)(mo)機(ji)的(de)產量(liang)。因此,優化研磨(mo)(mo)(mo)(mo)體級(ji)(ji)配(pei)和(he)(he)裝載量(liang)對(dui)提(ti)高磨(mo)(mo)(mo)(mo)機(ji)產量(liang)、質量(liang)至關重要。鳳(feng)形耐磨(mo)(mo)(mo)(mo)根據具體工況條件,結合磨(mo)(mo)(mo)(mo)機(ji)具體情況科學配(pei)比(bi)(bi)磨(mo)(mo)(mo)(mo)機(ji)鋼球(qiu)級(ji)(ji)配(pei)方案,全(quan)面提(ti)升磨(mo)(mo)(mo)(mo)機(ji)產能(neng),同時使用鳳(feng)形牌研(yan)磨體(ti)能更好(hao)地保(bao)護磨機(ji),減少(shao)磨機(ji)(ji)停轉(zhuan)檢(jian)修的(de)次數,發揮(hui)磨機(ji)(ji)最大效(xiao)益。

合理科學的磨機級配方案有助提升磨機產量

磨(mo)(mo)機研磨(mo)(mo)體級配優化(hua)原(yuan)則:

    符合(he)入(ru)(ru)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)的(de)(de)(de)(de)顆粒(li)(li)分布(bu)規律,采用(yong)(yong)“中間大,兩頭小(xiao)”的(de)(de)(de)(de)配球(qiu)方案;因(yin)為(wei)在(zai)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)粉磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)過程(cheng)中物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)的(de)(de)(de)(de)粒(li)(li)徑是(shi)(shi)由(you)(you)(you)大變小(xiao),大顆粒(li)(li)逐漸減(jian)少,細顆粒(li)(li)不(bu)(bu)斷增加(jia),研磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)沖(chong)擊(ji)力(li)不(bu)(bu)再十(shi)分重要,主要是(shi)(shi)沖(chong)擊(ji)次數。根據入(ru)(ru)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)的(de)(de)(de)(de)粒(li)(li)度、硬度、易磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)性及產品細度要求(qiu)來配球(qiu),當入(ru)(ru)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)較小(xiao)、易磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)性好、產品細度要求(qiu)細時,要加(jia)強對(dui)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)的(de)(de)(de)(de)研磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong),裝入(ru)(ru)的(de)(de)(de)(de)研磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)直徑要小(xiao)。大型(xing)(xing)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機和小(xiao)型(xing)(xing)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機、生料(liao)(liao)(liao)(liao)(liao)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)和水泥磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)的(de)(de)(de)(de)研磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)體(ti)級配是(shi)(shi)有(you)區別(bie)的(de)(de)(de)(de),由(you)(you)(you)于小(xiao)型(xing)(xing)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機筒(tong)體(ti)短,因(yin)而物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)內(nei)停(ting)(ting)留的(de)(de)(de)(de)時間短,為(wei)延(yan)長物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)內(nei)的(de)(de)(de)(de)停(ting)(ting)留時間,其(qi)平(ping)均球(qiu)徑應較大型(xing)(xing)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機小(xiao);由(you)(you)(you)于生料(liao)(liao)(liao)(liao)(liao)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)細度較粗(cu),加(jia)之黏(nian)土和鐵粉粒(li)(li)度小(xiao),所以生料(liao)(liao)(liao)(liao)(liao)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)應加(jia)強破碎作(zuo)(zuo)用(yong)(yong),在(zai)破碎倉(cang)(cang)應減(jian)少研磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)作(zuo)(zuo)用(yong)(yong)。磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)內(nei)只用(yong)(yong)大球(qiu),則鋼(gang)(gang)(gang)(gang)(gang)球(qiu)之間的(de)(de)(de)(de)空隙率大,物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)流(liu)速(su)快,出磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)粗(cu),為(wei)了控制物(wu)(wu)(wu)(wu)流(liu)流(liu)速(su),滿足(zu)(zu)細度要求(qiu),要采用(yong)(yong)大小(xiao)球(qiu)配合(he)使用(yong)(yong),減(jian)少鋼(gang)(gang)(gang)(gang)(gang)球(qiu)的(de)(de)(de)(de)空隙率,使物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)流(liu)速(su)減(jian)慢,延(yan)長物(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)內(nei)的(de)(de)(de)(de)停(ting)(ting)留時間。單倉(cang)(cang)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)應全部(bu)裝鋼(gang)(gang)(gang)(gang)(gang)球(qiu);雙倉(cang)(cang)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)的(de)(de)(de)(de)頭倉(cang)(cang)用(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)球(qiu),后倉(cang)(cang)用(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)球(qiu)(或鋼(gang)(gang)(gang)(gang)(gang)鍛);三倉(cang)(cang)以上的(de)(de)(de)(de)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機一般前兩倉(cang)(cang)裝鋼(gang)(gang)(gang)(gang)(gang)球(qiu),其(qi)余倉(cang)(cang)裝鋼(gang)(gang)(gang)(gang)(gang)鍛。閉路磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機由(you)(you)(you)于有(you)回料(liao)(liao)(liao)(liao)(liao)入(ru)(ru)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo),鋼(gang)(gang)(gang)(gang)(gang)球(qiu)沖(chong)擊(ji)力(li)由(you)(you)(you)于“墊(dian)層緩沖(chong)作(zuo)(zuo)用(yong)(yong)”會減(jian)弱,因(yin)此(ci)鋼(gang)(gang)(gang)(gang)(gang)球(qiu)平(ping)均球(qiu)徑應大些。由(you)(you)(you)于襯板的(de)(de)(de)(de)磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)損使磨(mo)(mo)(mo)(mo)(mo)(mo)(mo)機帶球(qiu)能力(li)不(bu)(bu)足(zu)(zu),沖(chong)擊(ji)力(li)減(jian)少,應適(shi)當增加(jia)大球(qiu)。

磨機填充率優化原則:

    當(dang)產品(pin)細(xi)度范圍可(ke)放寬,追(zhui)求高(gao)(gao)(gao)產量(liang)(liang)(liang),磨(mo)(mo)(mo)(mo)(mo)內(nei)且(qie)球(qiu)料(liao)(liao)(liao)比不(bu)高(gao)(gao)(gao)時(shi),需(xu)要(yao)增(zeng)加(jia)(jia)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)。當(dang)物(wu)(wu)(wu)料(liao)(liao)(liao)易磨(mo)(mo)(mo)(mo)(mo)性(xing)好時(shi),為了增(zeng)加(jia)(jia)產量(liang)(liang)(liang)可(ke)提(ti)高(gao)(gao)(gao)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv);但是(shi)物(wu)(wu)(wu)料(liao)(liao)(liao)易磨(mo)(mo)(mo)(mo)(mo)性(xing)差時(shi)不(bu)能(neng)為追(zhui)求產量(liang)(liang)(liang)而增(zeng)加(jia)(jia)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv),尤(you)其是(shi)鍛倉(cang)(cang)(cang)(cang),這樣反而會(hui)降低(di)粉(fen)磨(mo)(mo)(mo)(mo)(mo)效率(lv)(lv)(lv)(lv)(lv)。當(dang)物(wu)(wu)(wu)料(liao)(liao)(liao)粒度大(da)(da),硬度大(da)(da),需(xu)要(yao)破碎功(gong)能(neng)大(da)(da)時(shi),填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)應高(gao)(gao)(gao)些,如果該(gai)倉(cang)(cang)(cang)(cang)排料(liao)(liao)(liao)差,球(qiu)料(liao)(liao)(liao)比小,倉(cang)(cang)(cang)(cang)內(nei)存(cun)料(liao)(liao)(liao)較(jiao)多(duo)時(shi),就不(bu)能(neng)過分(fen)增(zeng)加(jia)(jia)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv),因為太高(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)會(hui)使倉(cang)(cang)(cang)(cang)內(nei)空間(jian)變(bian)小,造成研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)沖擊(ji)高(gao)(gao)(gao)度大(da)(da)大(da)(da)降低(di)。新襯板(ban)對研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)提(ti)升能(neng)力(li)強(qiang),研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)被帶的(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)(gao),填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)可(ke)得低(di)些。用單隔(ge)倉(cang)(cang)(cang)(cang)板(ban)裝置的(de)(de)(de)(de)(de)(de)(de)球(qiu)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),因為前倉(cang)(cang)(cang)(cang)排料(liao)(liao)(liao)受后倉(cang)(cang)(cang)(cang)的(de)(de)(de)(de)(de)(de)(de)影響,前一(yi)倉(cang)(cang)(cang)(cang)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)一(yi)般要(yao)高(gao)(gao)(gao)于后倉(cang)(cang)(cang)(cang);用雙層帶提(ti)升隔(ge)倉(cang)(cang)(cang)(cang)板(ban)裝置的(de)(de)(de)(de)(de)(de)(de)球(qiu)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),因為前倉(cang)(cang)(cang)(cang)排料(liao)(liao)(liao)不(bu)受后倉(cang)(cang)(cang)(cang)的(de)(de)(de)(de)(de)(de)(de)影響,后倉(cang)(cang)(cang)(cang)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)根據運行(xing)情況可(ke)與一(yi)倉(cang)(cang)(cang)(cang)處平或略高(gao)(gao)(gao)些,對于二(er)倉(cang)(cang)(cang)(cang)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)來說,粉(fen)磨(mo)(mo)(mo)(mo)(mo)水(shui)泥時(shi)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)通(tong)常是(shi)二(er)倉(cang)(cang)(cang)(cang)比一(yi)倉(cang)(cang)(cang)(cang)大(da)(da)2%左右,粉(fen)磨(mo)(mo)(mo)(mo)(mo)生料(liao)(liao)(liao)時(shi)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)二(er)倉(cang)(cang)(cang)(cang)比一(yi)倉(cang)(cang)(cang)(cang)大(da)(da)1.2%左右或基本相同。對于有選粉(fen)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)內(nei)研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)通(tong)常采用逐倉(cang)(cang)(cang)(cang)降低(di)的(de)(de)(de)(de)(de)(de)(de)裝法(fa),前后兩(liang)倉(cang)(cang)(cang)(cang)球(qiu)面高(gao)(gao)(gao)度相差一(yi)般可(ke)在25mm~50mm控制,這樣可(ke)以(yi)增(zeng)加(jia)(jia)物(wu)(wu)(wu)料(liao)(liao)(liao)在磨(mo)(mo)(mo)(mo)(mo)內(nei)的(de)(de)(de)(de)(de)(de)(de)流(liu)速(su);沒有帶選粉(fen)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)內(nei)研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)通(tong)常采用逐倉(cang)(cang)(cang)(cang)提(ti)升的(de)(de)(de)(de)(de)(de)(de)裝法(fa),以(yi)控制細(xi)度。磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)各倉(cang)(cang)(cang)(cang)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)還(huan)受篦(bi)縫大(da)(da)小的(de)(de)(de)(de)(de)(de)(de)影響,篦(bi)縫大(da)(da)小決定物(wu)(wu)(wu)料(liao)(liao)(liao)通(tong)過篦(bi)板(ban)的(de)(de)(de)(de)(de)(de)(de)流(liu)速(su),影響磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)各倉(cang)(cang)(cang)(cang)內(nei)物(wu)(wu)(wu)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)料(liao)(liao)(liao)位(wei)高(gao)(gao)(gao)低(di),顯然,高(gao)(gao)(gao)料(liao)(liao)(liao)位(wei)必須用高(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv),料(liao)(liao)(liao)位(wei)低(di),當(dang)然也就不(bu)需(xu)要(yao)那么高(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)了;另外(wai),因為物(wu)(wu)(wu)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)水(shui)分(fen)、流(liu)動性(xing)、粒度大(da)(da)小都會(hui)影響到磨(mo)(mo)(mo)(mo)(mo)內(nei)物(wu)(wu)(wu)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)流(liu)速(su),從而也會(hui)造成磨(mo)(mo)(mo)(mo)(mo)內(nei)各倉(cang)(cang)(cang)(cang)料(liao)(liao)(liao)位(wei)高(gao)(gao)(gao)低(di)不(bu)同,此時(shi)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)各倉(cang)(cang)(cang)(cang)的(de)(de)(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)也要(yao)根據實際情況做相應的(de)(de)(de)(de)(de)(de)(de)調整(zheng)。入(ru)磨(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)料(liao)(liao)(liao)粒度較(jiao)粗或大(da)(da)型磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)要(yao)選低(di),全磨(mo)(mo)(mo)(mo)(mo)研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)裝載(zai)總量(liang)(liang)(liang)達設計量(liang)(liang)(liang)88%~93%以(yi)提(ti)高(gao)(gao)(gao)沖擊(ji)量(liang)(liang)(liang);入(ru)磨(mo)(mo)(mo)(mo)(mo)物(wu)(wu)(wu)料(liao)(liao)(liao)粒度較(jiao)細(xi)和小型磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji),填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)可(ke)選高(gao)(gao)(gao)些,全磨(mo)(mo)(mo)(mo)(mo)研(yan)(yan)磨(mo)(mo)(mo)(mo)(mo)體(ti)(ti)(ti)(ti)裝載(zai)總量(liang)(liang)(liang)達設計量(liang)(liang)(liang)94%~97%提(ti)高(gao)(gao)(gao)動力(li)量(liang)(liang)(liang)。球(qiu)磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)一(yi)般控制為25%~35%之間(jian),閉路磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)為28%~32%,開路磨(mo)(mo)(mo)(mo)(mo)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)平均填(tian)(tian)(tian)(tian)充(chong)(chong)(chong)率(lv)(lv)(lv)(lv)(lv)為25%~28%。


2015年7月3日 10:56
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