氣力輸(shu)(shu)送是一個很大的概(gai)念。如(ru)果輸(shu)(shu)送的物(wu)料是灰,則稱為(wei)氣力除灰。氣力輸(shu)(shu)送分為(wei)正(zheng)(zheng)壓和負壓兩(liang)種方式。正(zheng)(zheng)壓輸(shu)(shu)送是利用(yong)空(kong)氣壓縮機(ji)將(jiang)物(wu)料從管(guan)道高(gao)壓端輸(shu)(shu)送到(dao)低壓端;負壓輸(shu)(shu)送是利用(yong)真(zhen)(zhen)空(kong)泵或(huo)負壓風機(ji)將(jiang)物(wu)料從常(chang)壓環(huan)境(jing)抽至真(zhen)(zhen)空(kong)端。
粉體氣力輸送系(xi)統是利用風機(ji)(或其他氣(qi)(qi)源)在管(guan)道內形(xing)成(cheng)一定速度(du)的(de)氣(qi)(qi)流(liu),從而實現(xian)將散(san)狀物料沿管(guan)道從一處(chu)輸送(song)到(dao)另一處(chu)的(de)物料輸送(song)方(fang)式,稱(cheng)為氣(qi)(qi)力輸送(song)。它完成(cheng)了氣(qi)(qi)力輸送(song)過(guo)程。所需(xu)的(de)設(she)備稱(cheng)為氣(qi)(qi)力輸送(song)設(she)備。
氣(qi)力(li)輸(shu)(shu)送設備(bei)采用強壓力(li)氣(qi)力(li)輸(shu)(shu)送。其基(ji)本原理是通過壓力(li)傳送器(料倉泵)將壓縮(suo)空氣(qi)的能(neng)量(liang)(靜壓能(neng)和(he)動能(neng))傳遞(di)給被輸(shu)(shu)送的物(wu)料,并克(ke)服各(ge)種阻力(li)將物(wu)料送到(dao)另一端(duan)。。氣(qi)力(li)輸(shu)(shu)送設備(bei)按工作(zuo)壓力(li)不同可分(fen)為吸入式(shi)(shi)和(he)壓力(li)式(shi)(shi)兩(liang)大(da)類(lei)。
氣力輸送機的(de)特點:氣(qi)力輸(shu)送機是利用風機在管(guan)道內形(xing)成(cheng)氣(qi)流(liu)來輸(shu)送散(san)裝物(wu)(wu)料的(de)機械。其輸(shu)送原理是將物(wu)(wu)料以一定的(de)速(su)度(du)添加到氣(qi)流(liu)中,形(xing)成(cheng)懸浮混(hun)合(he)物(wu)(wu),通過(guo)管(guan)道輸(shu)送到目的(de)地(di),然后物(wu)(wu)料與(yu)氣(qi)流(liu)分離并排出。氣(qi)力輸(shu)送機主要用于輸(shu)送粉狀(zhuang)、粒狀(zhuang)和塊(kuai)度(du)小于20%的(de)小塊(kuai)物(wu)(wu)料,有時也輸(shu)送成(cheng)塊(kuai)的(de)物(wu)(wu)品。針對(dui)不(bu)同的(de)物(wu)(wu)料,應選擇不(bu)同的(de)風速(su),以保證物(wu)(wu)料懸浮在管(guan)道中,不(bu)堵塞管(guan)道,并輸(shu)送盡可能多的(de)物(wu)(wu)料,既經濟又合(he)理。
氣(qi)力(li)(li)輸(shu)(shu)送(song)(song)(song)機(ji)的(de)(de)(de)缺點是(shi):功耗大(da)、噪音大(da);對輸(shu)(shu)送(song)(song)(song)的(de)(de)(de)物(wu)料(liao)有一(yi)定(ding)的(de)(de)(de)限制(zhi)(zhi),不(bu)宜輸(shu)(shu)送(song)(song)(song)潮濕、粘性(xing)和易碎的(de)(de)(de)物(wu)料(liao);輸(shu)(shu)送(song)(song)(song)磨(mo)蝕性(xing)物(wu)料(liao)時,管道(dao)和其他(ta)部件容易發生磨(mo)損。目前的(de)(de)(de)輸(shu)(shu)送(song)(song)(song)機(ji)生產率可達/h,輸(shu)(shu)送(song)(song)(song)距離(li)可達100%,輸(shu)(shu)送(song)(song)(song)高度可達100%。氣(qi)力(li)(li)輸(shu)(shu)送(song)(song)(song)成(cheng)套(tao)設(she)備(bei)是(shi)根據用(yong)戶的(de)(de)(de)物(wu)料(liao)特性(xing)而(er)設(she)計的(de)(de)(de)一(yi)套(tao)系統設(she)備(bei)。它由(you)圓頂(ding)閥、控制(zhi)(zhi)閥、控制(zhi)(zhi)系統、氣(qi)力(li)(li)輸(shu)(shu)送(song)(song)(song)管道(dao)、頂(ding)閥等組成(cheng)。一(yi)般進口(kou)產品性(xing)能穩定(ding),維(wei)護成(cheng)本低(di)。