篩(shai)分(fen)設備的(de)(de)技術經濟指標是篩(shai)分(fen)效率和生產率。前者(zhe)為質量(liang)指標,后者(zhe)為數量(liang)指標。它(ta)們之間有(you)一(yi)定的(de)(de)關系,同時還與其他許(xu)多(duo)因素有(you)關,這些因素決定篩(shai)分(fen)的(de)(de)結果。
紅星振動篩庫(ku)存充足,型號齊(qi)全(quan)
1、篩面性質及其結構參數的影響
振動篩的(de)(de)(de)工作原理是粒子(zi)和篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)作垂直運(yun)動,所以篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)高,生(sheng)產(chan)(chan)能力大(da)。而粒子(zi)與篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)相(xiang)對(dui)運(yun)動主要(yao)是平(ping)行運(yun)動的(de)(de)(de)棒條篩(shai)(shai)(shai)(shai)(shai)、平(ping)面(mian)(mian)(mian)振動篩(shai)(shai)(shai)(shai)(shai)、筒篩(shai)(shai)(shai)(shai)(shai)等(deng),其篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)和生(sheng)產(chan)(chan)能力都低。 對(dui)于(yu)一(yi)定的(de)(de)(de)物料而言,篩(shai)(shai)(shai)(shai)(shai)子(zi)的(de)(de)(de)生(sheng)產(chan)(chan)率(lv)和篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)決(jue)(jue)定于(yu)篩(shai)(shai)(shai)(shai)(shai)孔尺(chi)寸。生(sheng)產(chan)(chan)率(lv)取(qu)決(jue)(jue)于(yu)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)寬度,篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)寬生(sheng)產(chan)(chan)率(lv)高。篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)取(qu)決(jue)(jue)于(yu)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)長(chang)度,篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)長(chang)篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)高。一(yi)般長(chang)寬比(bi)為2。 有效(xiao)(xiao)的(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)子(zi)面(mian)(mian)(mian)積(ji)(ji)(即篩(shai)(shai)(shai)(shai)(shai)孔面(mian)(mian)(mian)積(ji)(ji)與整個(ge)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)面(mian)(mian)(mian)積(ji)(ji)之比(bi))愈大(da),則(ze)篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)的(de)(de)(de)單(dan)位面(mian)(mian)(mian)積(ji)(ji)生(sheng)產(chan)(chan)率(lv)和篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)愈高。 篩(shai)(shai)(shai)(shai)(shai)孔尺(chi)寸愈大(da),則(ze)單(dan)位篩(shai)(shai)(shai)(shai)(shai)面(mian)(mian)(mian)的(de)(de)(de)生(sheng)產(chan)(chan)率(lv)越大(da),篩(shai)(shai)(shai)(shai)(shai)分(fen)效(xiao)(xiao)率(lv)越高。
客戶來廠參(can)觀振動篩
2、生產條件的影響
當(dang)振動篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)設(she)備篩(shai)(shai)(shai)(shai)子的負荷較(jiao)大(da)(da)時(shi),篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)效率低(di)(di)。在很大(da)(da)程(cheng)(cheng)度上(shang)篩(shai)(shai)(shai)(shai)子的和平率取決于篩(shai)(shai)(shai)(shai)孔(kong)大(da)(da)小和總篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)效率;篩(shai)(shai)(shai)(shai)孔(kong)愈(yu)大(da)(da),要(yao)求篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)效率愈(yu)低(di)(di)時(shi),則生(sheng)產(chan)率愈(yu)高(gao)。 振動篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)設(she)備給(gei)料均(jun)勻性(xing)對篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)過程(cheng)(cheng)意義(yi)很大(da)(da)。 振動篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)設(she)備傾角要(yao)適宜,一般通過試(shi)驗(yan)來(lai)確定。再就是(shi)篩(shai)(shai)(shai)(shai)子的振幅(fu)與(yu)振次,這與(yu)篩(shai)(shai)(shai)(shai)子的結(jie)構物性(xing)有關,在一定的范圍內(nei),增加振動可(ke)以提(ti)高(gao)篩(shai)(shai)(shai)(shai)分(fen)(fen)(fen)指標。
紅(hong)星振動篩(shai)庫存(cun)充(chong)足(zu),可供(gong)挑選
3、被篩分物料的物理(li)性質
包括物料(liao)本身的粒度組成、濕(shi)度、含(han)泥(ni)量(liang)(liang)和粒子的形狀等。 當(dang)(dang)物料(liao)細粒含(han)量(liang)(liang)較(jiao)大(da)(da)(da)時,篩(shai)(shai)(shai)子的生產率也(ye)大(da)(da)(da)。當(dang)(dang)物料(liao)的濕(shi)度較(jiao)大(da)(da)(da)時,一(yi)般來(lai)說篩(shai)(shai)(shai)分(fen)(fen)效率都會(hui)降(jiang)低。但篩(shai)(shai)(shai)孔尺寸愈(yu)大(da)(da)(da),水分(fen)(fen)影響愈(yu)小,所以對于含(han)水分(fen)(fen)較(jiao)大(da)(da)(da)的濕(shi)物料(liao), 為了改善篩(shai)(shai)(shai)分(fen)(fen)過程,一(yi)般可以采(cai)用加大(da)(da)(da)篩(shai)(shai)(shai)孔的辦法,或(huo)者采(cai)用濕(shi)式篩(shai)(shai)(shai)分(fen)(fen)。物料(liao)含(han)泥(ni)量(liang)(liang)大(da)(da)(da)(當(dang)(dang)含(han)泥(ni)量(liang)(liang)大(da)(da)(da)于8%時)應當(dang)(dang)采(cai)用濕(shi)式篩(shai)(shai)(shai)分(fen)(fen),或(huo)預先洗礦(kuang)。
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