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圓振動(dong)(dong)(dong)篩(shai)(震動(dong)(dong)(dong)篩(shai))結(jie)構:主要由篩(shai)箱、激(ji)振器(qi)(qi)、懸掛(或(huo)支承)裝置及電動(dong)(dong)(dong)機(ji)等組成。電動(dong)(dong)(dong)機(ji)經(jing)三角皮(pi)帶,帶動(dong)(dong)(dong)激(ji)振器(qi)(qi)主軸回轉,由于激(ji)振器(qi)(qi)上不平衡重物的(de)離心(xin)(xin)慣性(xing)力作用,使(shi)篩(shai)箱獲振動(dong)(dong)(dong)。改(gai)變激(ji)振器(qi)(qi)偏心(xin)(xin)重,可獲得不同振幅。如無特(te)殊要求,YA和(he)2YA型為紡織篩(shai)面(mian),YAH型為沖孔(kong)篩(shai)面(mian),各類(lei)篩(shai)面(mian)均能(neng)滿足。
圓振動篩結構特點:
圓(yuan)振(zhen)動(dong)篩(shai)(shai)(shai)(shai)(shai)(shai)有兩(liang)種(zhong)(zhong)(zhong):格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai)和條(tiao)篩(shai)(shai)(shai)(shai)(shai)(shai)。格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai)一(yi)(yi)般(ban)分(fen)為(wei)兩(liang)種(zhong)(zhong)(zhong)。結構(gou)型式,一(yi)(yi)種(zhong)(zhong)(zhong)是格(ge)條(tiao)剛性(xing)固(gu)定(ding)的(de)(de)(de)(de)格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai).另一(yi)(yi)種(zhong)(zhong)(zhong)是懸(xuan)(xuan)臂格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai),后(hou)一(yi)(yi)種(zhong)(zhong)(zhong)篩(shai)(shai)(shai)(shai)(shai)(shai)子因格(ge)條(tiao)為(wei)懸(xuan)(xuan)臂固(gu)定(ding),當(dang)給料(liao)發生沖擊作用(yong)(yong)時(shi),格(ge)條(tiao)末端會產生振(zhen)動(dong),這(zhe)種(zhong)(zhong)(zhong)振(zhen)動(dong)減少了篩(shai)(shai)(shai)(shai)(shai)(shai)孔堵塞(sai)的(de)(de)(de)(de)可能性(xing),且略能提高篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)效率。格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai)一(yi)(yi)般(ban)安(an)裝(zhuang)在(zai)粗碎(sui)機給料(liao)倉上(shang)部,以(yi)保證它的(de)(de)(de)(de)zui大給料(liao)粒(li)度合格(ge),篩(shai)(shai)(shai)(shai)(shai)(shai)面(mian)上(shang)的(de)(de)(de)(de)大塊(kuai)需要(yao)用(yong)(yong)手(shou)錘或(huo)其它方(fang)法破碎(sui),使其過篩(shai)(shai)(shai)(shai)(shai)(shai).圓(yuan)振(zhen)動(dong)篩(shai)(shai)(shai)(shai)(shai)(shai)一(yi)(yi)般(ban)水平(ping)安(an)裝(zhuang)。條(tiao)篩(shai)(shai)(shai)(shai)(shai)(shai)主(zhu)要(yao)用(yong)(yong)于粗碎(sui)相中(zhong)碎(sui)前(qian)作預(yu)篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)之(zhi)用(yong)(yong),一(yi)(yi)般(ban)傾斜安(an)裝(zhuang),傾斜角a的(de)(de)(de)(de)大小確(que)立原(yuan)則是使物料(liao)能沿篩(shai)(shai)(shai)(shai)(shai)(shai)面(mian)自動(dong)下(xia)滑,故a應大于物料(liao)和篩(shai)(shai)(shai)(shai)(shai)(shai)面(mian)之(zhi)間的(de)(de)(de)(de)摩擦角,一(yi)(yi)般(ban)a≥35°~50°,對于大塊(kuai)礦石,a可稍(shao)小些;對于粘性(xing)礦石,a應稍(shao)增大(如取a=50°)。格(ge)篩(shai)(shai)(shai)(shai)(shai)(shai)結構(gou)簡(jian)單,堅(jian)固(gu)耐用(yong)(yong),不消耗動(dong)力,且允許裝(zhuang)卸車輛(liang)把物料(liao)直(zhi)接卸到篩(shai)(shai)(shai)(shai)(shai)(shai)面(mian)上(shang).缺點是它的(de)(de)(de)(de)篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)效率低(di)(一(yi)(yi)般(ban)為(wei)50~60%),生產率不高,安(an)裝(zhuang)這(zhe)種(zhong)(zhong)(zhong)篩(shai)(shai)(shai)(shai)(shai)(shai)子需要(yao)相當(dang)大的(de)(de)(de)(de)高度和展(zhan)開面(mian)積,篩(shai)(shai)(shai)(shai)(shai)(shai)孔易被堵塞(sai),篩(shai)(shai)(shai)(shai)(shai)(shai)分(fen)煤時(shi)煤易被擦碎(sui),而且只(zhi)能獲得(de)篩(shai)(shai)(shai)(shai)(shai)(shai)上(shang)和篩(shai)(shai)(shai)(shai)(shai)(shai)下(xia)兩(liang)種(zhong)(zhong)(zhong)產品。