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電機高頻振動篩與電磁高頻振動篩區別

發布時間:2023/8/31 17:42:20 瀏(liu)覽:

高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)主要(yao)用(yong)于(yu)(yu)(yu)各種(zhong)細(xi)粒物(wu)料的(de)(de)(de)(de)分級、脫(tuo)水及脫(tuo)介等作(zuo)業,可以有(you)效脫(tuo)除各種(zhong)礦物(wu)外(wai)在或者(zhe)自(zi)由(you)水分,其(qi)主要(yao)特點(dian)為小(xiao)(xiao)(xiao)振(zhen)(zhen)幅(fu)(fu)、高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)率(lv)及高(gao)(gao)(gao)(gao)(gao)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)強度。由(you)于(yu)(yu)(yu)細(xi)粒物(wu)料在高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)篩(shai)(shai)面(mian)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)時,其(qi)體積小(xiao)(xiao)(xiao)、質(zhi)量輕,無需較(jiao)大的(de)(de)(de)(de)拋擲力,因此(ci)對振(zhen)(zhen)幅(fu)(fu)要(yao)求較(jiao)小(xiao)(xiao)(xiao);物(wu)料拋起(qi)和下落的(de)(de)(de)(de)時間較(jiao)短,且(qie)需要(yao)往前(qian)(qian)不(bu)(bu)(bu)斷(duan)連續(xu)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong),因此(ci)頻(pin)(pin)(pin)(pin)率(lv)要(yao)求較(jiao)高(gao)(gao)(gao)(gao)(gao)。目前(qian)(qian),按照(zhao)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)方式(shi)不(bu)(bu)(bu)同,高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)主要(yao)分為電(dian)機驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)(直接或間接驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong))與電(dian)磁(ci)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)兩類。近些年,隨著(zhu)國內(nei)外(wai)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)技(ji)術(shu)與設備的(de)(de)(de)(de)不(bu)(bu)(bu)斷(duan)發(fa)展(zhan),傳統對高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)振(zhen)(zhen)幅(fu)(fu)和頻(pin)(pin)(pin)(pin)率(lv)的(de)(de)(de)(de)定義(yi)已(yi)不(bu)(bu)(bu)能(neng)適(shi)應目前(qian)(qian)的(de)(de)(de)(de)發(fa)展(zhan)現(xian)狀,電(dian)機驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)振(zhen)(zhen)幅(fu)(fu)為0.8~2.5mm,電(dian)磁(ci)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)振(zhen)(zhen)幅(fu)(fu)為0~1.5mm;電(dian)機驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)頻(pin)(pin)(pin)(pin)率(lv)為20~25Hz,電(dian)磁(ci)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)的(de)(de)(de)(de)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)頻(pin)(pin)(pin)(pin)率(lv)為50~60Hz,另外(wai),近些年國內(nei)外(wai)市(shi)場中出現(xian)的(de)(de)(de)(de)各種(zhong)采(cai)用(yong)箱式(shi)激振(zhen)(zhen)器的(de)(de)(de)(de)高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai),由(you)于(yu)(yu)(yu)受到軸承及結構強度的(de)(de)(de)(de)限制,高(gao)(gao)(gao)(gao)(gao)頻(pin)(pin)(pin)(pin)振(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)(dong)篩(shai)(shai)的(de)(de)(de)(de)頻(pin)(pin)(pin)(pin)率(lv)為20Hz以下。

高頻(pin)振動篩(shai)在選煤行業中的應用(yong)

在(zai)選(xuan)煤行(xing)業中,由(you)于(yu)高(gao)頻(pin)振(zhen)動(dong)篩(shai)設備投資費用小、運(yun)行(xing)成(cheng)本(ben)低、煤泥(ni)回收效果理想(xiang),在(zai)多數(shu)選(xuan)煤工藝中,一般都采(cai)用高(gao)頻(pin)振(zhen)動(dong)篩(shai)回收煤泥(ni),實現選(xuan)煤廠洗水(shui)閉(bi)路循環,改善選(xuan)煤廠環境,因此高(gao)頻(pin)振(zhen)動(dong)篩(shai)具有明顯的(de)經(jing)濟與社會(hui)效益,已逐漸被(bei)推廣與采(cai)用,目前(qian)在(zai)選(xuan)煤工業中最常見的(de)煤泥(ni)水(shui)回收工藝流程(cheng)為:

1.煤泥水經(jing)(jing)振(zhen)動(dong)弧形篩(shai)(shai)(shai)(shai)預脫水之(zhi)后(hou),篩(shai)(shai)(shai)(shai)下(xia)物(wu)(wu)料直接進入(ru)浮(fu)選入(ru)料池(chi),篩(shai)(shai)(shai)(shai)上(shang)物(wu)(wu)料進入(ru)高(gao)頻(pin)(pin)振(zhen)動(dong)篩(shai)(shai)(shai)(shai),高(gao)頻(pin)(pin)振(zhen)動(dong)篩(shai)(shai)(shai)(shai)的(de)篩(shai)(shai)(shai)(shai)下(xia)物(wu)(wu)料進入(ru)浮(fu)選入(ru)料池(chi),篩(shai)(shai)(shai)(shai)上(shang)物(wu)(wu)料經(jing)(jing)過擠壓脫水后(hou)由帶式輸送機(ji)進入(ru)儲煤倉(cang)。

2.煤泥水經旋(xuan)流(liu)器濃縮之后,溢流(liu)進入(ru)浮選入(ru)料(liao)池,底流(liu)進入(ru)高(gao)頻振動篩(shai),高(gao)頻振動篩(shai)的篩(shai)下物(wu)料(liao)進入(ru)浮選入(ru)料(liao)池,篩(shai)上物(wu)料(liao)經過擠壓(ya)脫水后由帶式輸送機進入(ru)儲煤倉。

3.煤(mei)泥水(shui)進入(ru)(ru)高頻(pin)振(zhen)動篩(shai),篩(shai)下物料(liao)進入(ru)(ru)浮選(xuan)入(ru)(ru)料(liao)池,篩(shai)上(shang)物料(liao)經煤(mei)泥離心機脫水(shui)后,由帶式輸送機進入(ru)(ru)儲煤(mei)倉。


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