氣力(li)輸送(song)按(an)輸送(song)管(guan)(guan)道(dao)內顆粒(li)的密(mi)度可分為:氣力(li)輸送(song)是(shi)利用氣流的能(neng)量,在封閉(bi)的管(guan)(guan)道(dao)內沿氣流方(fang)向(xiang)輸送(song)顆粒(li)狀物(wu)料,是(shi)流態化(hua)技術的具體應用。
粉體氣力輸送機設備結構簡單,操作(zuo)方便。可用(yong)于水(shui)平(ping)、垂直或傾(qing)斜運(yun)輸。在輸送過程(cheng)中,還可進行物(wu)料(liao)的加熱、冷卻、干燥、空氣(qi)分級(ji)等物(wu)理操作(zuo)或某些化學操作(zuo)。
氣(qi)(qi)力輸送(song)(song)(song)(song)(song)的主要特點是輸送(song)(song)(song)(song)(song)量大、輸送(song)(song)(song)(song)(song)距離長、輸送(song)(song)(song)(song)(song)速度高;可以在(zai)一處(chu)裝載(zai),然后在(zai)多(duo)處(chu)卸(xie)載(zai)。根據輸送(song)(song)(song)(song)(song)管道中顆粒的密度,氣(qi)(qi)力輸送(song)(song)(song)(song)(song)分為:
氣力輸(shu)送(song)裝置與(yu)機械(xie)輸(shu)送(song)裝置的特點(dian)比較
1.稀(xi)相(xiang)輸送:
固體含(han)量低于1-10kg/m3,操(cao)作氣速高(約18-30m/s),輸送間隔基本在(zai)300m以(yi)內。對于設(she)備(bei)成(cheng)熟的料封泵,輸送操(cao)作簡單,沒有機械滾動部件,輸送壓(ya)力低,免(mian)維護(hu),免(mian)維護(hu)!
2、密集(ji)運輸:
固(gu)體含量為10-30kg/m3或固(gu)氣比大于25的輸送過程。操作(zuo)風速(su)較(jiao)低,以較(jiao)高(gao)的氣壓(ya)輸送壓(ya)力。
氣力輸送機設備屬于(yu)密相中壓(ya)氣力(li)輸(shu)送(song)(song),適用于(yu)不易破碎的(de)顆粒、粉(fen)狀(zhuang)物料的(de)輸(shu)送(song)(song)。氣力(li)輸(shu)送(song)(song)廣泛應用于(yu)鑄造、化工、醫(yi)藥、食(shi)品等行業(ye)。