連續粉體氣力輸送系統(tong)與機(ji)械輸送系統(tong)相(xiang)比有哪些(xie)優點?
機械輸(shu)送(song)是(shi)指(zhi)利用特定的(de)機械設備來運輸(shu)物料的(de)運輸(shu)形式。根據機械設備的(de)結構(gou)類型,機械輸(shu)送(song)可分為循環輸(shu)送(song)和槽式輸(shu)送(song)兩(liang)種。
循環輸送(song)由形成環形系統(tong)的輸送(song)機械部件組成,如(ru)皮(pi)帶、鏈條等,當物料輸送(song)到(dao)出(chu)料端時(shi),空(kong)(kong)鏈或(huo)皮(pi)帶返回(hui)給料端,如(ru)此(ci)循環往復進行輸送(song)。這些回(hui)程鏈路不僅消耗額外的電力,而且占用相對較大的空(kong)(kong)間。
槽(cao)式(shi)(shi)輸(shu)(shu)送(song)(song)(song)是(shi)指將物料放入槽(cao)(或管)中(zhong),利(li)用槽(cao)的(de)往復振動(dong),使物料因拋擲力而(er)向前運動(dong);螺旋輸(shu)(shu)送(song)(song)(song)機是(shi)槽(cao)體固定的(de)槽(cao)式(shi)(shi)輸(shu)(shu)送(song)(song)(song)機。螺旋絞龍葉(xie)片的(de)推(tui)力用于輸(shu)(shu)送(song)(song)(song)物料。輸(shu)(shu)送(song)(song)(song)距離短,輸(shu)(shu)送(song)(song)(song)效(xiao)率不高。
流體輸送利(li)用(yong)空氣(或其(qi)他(ta)氣體)或水(shui)(或其(qi)他(ta)液體)在管(guan)道中(zhong)的(de)流動性,沿指定線路輸送物料。其(qi)優點(dian)是設備簡單、占地面積小(xiao)、運輸方向易于(yu)隨意安排、運輸距離長。水(shui)力運輸由于(yu)難以妥善(shan)處理用(yong)水(shui)成本、水(shui)資源(yuan)終端排水(shui)處理等問(wen)題,存在一定的(de)局限性。
氣力輸送(song)技(ji)術的(de)基(ji)礎理論和實踐(jian)證明(ming),它(ta)具有生產效率(lv)高(gao)、設備結構簡單、管理方便、自動(dong)(dong)化(hua)程(cheng)度高(gao)、節省勞動(dong)(dong)力、裝卸方便、有利于(yu)環境保護等一(yi)系(xi)列優點。