不同類型的粉體氣力輸送機設備如何保持物料(liao)以(yi)zui*速度流(liu)動(dong)。根(gen)據不(bu)同(tong)的(de)物料(liao)選擇(ze)合適的(de)氣力輸送(song)方式,可以(yi)使(shi)您(nin)的(de)輸送(song)效(xiao)率(lv)高、運行穩定。
稀相(xiang)氣(qi)(qi)(qi)(qi)力輸(shu)(shu)送(song)是(shi)一種固氣(qi)(qi)(qi)(qi)比較(jiao)低(di)(di)的(de)(de)(de)(de)輸(shu)(shu)送(song)方(fang)式,利用(yong)大量(liang)的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)來輸(shu)(shu)送(song)物(wu)(wu)料(liao)(liao)。采用(yong)羅茨(ci)鼓風機產生足夠的(de)(de)(de)(de)壓(ya)力,使(shi)(shi)物(wu)(wu)料(liao)(liao)與(yu)空(kong)氣(qi)(qi)(qi)(qi)具有一定的(de)(de)(de)(de)固氣(qi)(qi)(qi)(qi)比。密相(xiang)氣(qi)(qi)(qi)(qi)力輸(shu)(shu)送(song)使(shi)(shi)用(yong)較(jiao)高的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)速(su)度(du)。這種高速(su)/低(di)(di)壓(ya)組合使(shi)(shi)空(kong)氣(qi)(qi)(qi)(qi)能夠做其他(ta)事(shi)情,而(er)不僅(jin)僅(jin)是(shi)運輸(shu)(shu)材料(liao)(liao)。空(kong)氣(qi)(qi)(qi)(qi)可以控(kong)制(zhi)被輸(shu)(shu)送(song)物(wu)(wu)料(liao)(liao)的(de)(de)(de)(de)溫度(du),使(shi)(shi)物(wu)(wu)料(liao)(liao)易于冷卻,并精細控(kong)制(zhi)一級到一級的(de)(de)(de)(de)溫度(du)。當氣(qi)(qi)(qi)(qi)流(liu)速(su)度(du)較(jiao)高時,輸(shu)(shu)送(song)的(de)(de)(de)(de)物(wu)(wu)料(liao)(liao)保持在管道中心,氣(qi)(qi)(qi)(qi)流(liu)懸浮。在密相(xiang)氣(qi)(qi)(qi)(qi)力輸(shu)(shu)送(song)系統中,如果管道任何(he)區域的(de)(de)(de)(de)壓(ya)力降低(di)(di),較(jiao)低(di)(di)的(de)(de)(de)(de)壓(ya)力對被輸(shu)(shu)送(song)物(wu)(wu)料(liao)(liao)的(de)(de)(de)(de)影響(xiang)就會(hui)小得(de)多(duo)。
稀相(xiang)氣力(li)(li)輸送(song)通(tong)常使用(yong)羅茨鼓(gu)風(feng)機(ji)來輸送(song)較(jiao)少的(de)空氣,但比(bi)稀相(xiang)氣力(li)(li)輸送(song)的(de)壓(ya)(ya)力(li)(li)更高(gao)(gao)。這種較(jiao)高(gao)(gao)的(de)壓(ya)(ya)力(li)(li)允許稀相(xiang)輸送(song)以(yi)高(gao)(gao)達7:1的(de)材料與空氣比(bi)率移動某些材料。當壓(ya)(ya)力(li)(li)保(bao)持較(jiao)低時,可以(yi)實現更高(gao)(gao)的(de)速(su)度。稀相(xiang)也采用(yong)與稀相(xiang)類似的(de)懸浮流。
密相氣(qi)力(li)(li)輸(shu)(shu)送(song)(song)常(chang)采(cai)用壓(ya)(ya)縮(suo)空氣(qi)來推(tui)動物(wu)料。它通(tong)常(chang)使用較小的壓(ya)(ya)力(li)(li)。由于(yu)壓(ya)(ya)縮(suo)空氣(qi)推(tui)動物(wu)料而不(bu)是將其懸浮在(zai)管道中(zhong),因此(ci)空氣(qi)流速通(tong)常(chang)較小。由于(yu)空氣(qi)將物(wu)料推(tui)入(ru)段塞中(zhong),因此(ci)物(wu)料不(bu)會(hui)撞擊管道內部(bu),因此(ci)密相輸(shu)(shu)送(song)(song)可以(yi)在(zai)長期運(yun)行中(zhong)保(bao)(bao)持(chi)物(wu)料完*無損。采(cai)用密相氣(qi)力(li)(li)輸(shu)(shu)送(song)(song)系(xi)統,物(wu)料與空氣(qi)的比(bi)例(li)非常(chang)高。為了保(bao)(bao)持(chi)密相輸(shu)(shu)送(song)(song),料氣(qi)比(bi)必須保(bao)(bao)持(chi)在(zai)20:1以(yi)上,根(gen)據所輸(shu)(shu)送(song)(song)物(wu)料的類(lei)型,該比(bi)例(li)可以(yi)高達100:1。如果(guo)該比(bi)例(li)低(di)于(yu)20:1,材(cai)料很可能進入(ru)稀相運(yun)輸(shu)(shu)并與整齊的段塞分(fen)離。
密相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)能夠(gou)輸(shu)(shu)送的(de)(de)(de)物料(liao)(liao)(liao)是(shi)有限的(de)(de)(de)。顆粒(li)直徑大(da)于半(ban)英寸(cun)的(de)(de)(de)材(cai)料(liao)(liao)(liao)在(zai)密相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)中不能很*地工作,因(yin)為空氣(qi)(qi)傾向于在(zai)顆粒(li)周圍(wei)移動(dong)(dong)而(er)不是(shi)推動(dong)(dong)它(ta)們。然而(er),即使某些(xie)顆粒(li)大(da)于半(ban)英寸(cun),具有不同顆粒(li)尺(chi)寸(cun)的(de)(de)(de)材(cai)料(liao)(liao)(liao)也(ye)可(ke)以(yi)工作。密相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)可(ke)以(yi)利用非(fei)常高(gao)(gao)的(de)(de)(de)材(cai)料(liao)(liao)(liao)與氣(qi)(qi)體(ti)的(de)(de)(de)比率來(lai)防止系(xi)統(tong)(tong)(tong)進(jin)入稀相(xiang)速度。雖然密相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)無法處理許多具有較大(da)顆粒(li)的(de)(de)(de)物料(liao)(liao)(liao)混合物,但稀相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)可(ke)以(yi)處理幾乎任何顆粒(li)尺(chi)寸(cun)和(he)形狀的(de)(de)(de)物料(liao)(liao)(liao)。另外,由于密相(xiang)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)壓力(li)(li)較高(gao)(gao),如果后續輸(shu)(shu)送壓力(li)(li)控制(zhi)不*,下一(yi)段管道通過的(de)(de)(de)物料(liao)(liao)(liao)可(ke)能會(hui)在(zai)卸(xie)料(liao)(liao)(liao)點爆裂。在(zai)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)中移動(dong)(dong)物料(liao)(liao)(liao)的(de)(de)(de)方法有很多種(zhong)。了解每(mei)個氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong)的(de)(de)(de)工作原理以(yi)及它(ta)們的(de)(de)(de)功(gong)能和(he)要求可(ke)以(yi)幫助您選擇**的(de)(de)(de)氣(qi)(qi)力(li)(li)輸(shu)(shu)送系(xi)統(tong)(tong)(tong),以(yi)更快、更高(gao)(gao)效(xiao)地移動(dong)(dong)物料(liao)(liao)(liao)。