粉體氣力輸送機是利用(yong)氣體能(neng)量(liang)輸送固體顆粒的有效(xiao)技術。具有設備簡(jian)單、占地少、布局靈(ling)活、建設成本低(di)、高(gao)效(xiao)節能(neng)、污染低(di)、自動化程度(du)高(gao)等特點(dian)。耗(hao)氣量(liang)少,輸送速度(du)低(di),有效(xiao)減(jian)少管(guan)道磨損。
從(cong)結(jie)構流程上看,氣力輸(shu)送(song)系(xi)(xi)統(tong)主(zhu)要分為壓縮空氣源及凈化系(xi)(xi)統(tong)、輸(shu)送(song)倉泵系(xi)(xi)統(tong)、輸(shu)送(song)管道系(xi)(xi)統(tong)、灰倉制(zhi)(zhi)(zhi)漿接收系(xi)(xi)統(tong)、控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)五部(bu)分。控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)的控(kong)(kong)制(zhi)(zhi)(zhi)方式(shi)分為遠程控(kong)(kong)制(zhi)(zhi)(zhi)和(he)現場控(kong)(kong)制(zhi)(zhi)(zhi),現場控(kong)(kong)制(zhi)(zhi)(zhi)又分為自動和(he)手動控(kong)(kong)制(zhi)(zhi)(zhi)方式(shi)。
氣力輸送又稱氣流輸送,是利用氣流的能量在密閉管道內沿氣流方向輸送顆粒狀物料,是流態化技術的具體應用。該氣力輸送機裝置結構簡單,操作(zuo)(zuo)方便(bian)。可(ke)用于水平、垂直或傾斜(xie)輸(shu)送(song)(song)。在輸(shu)送(song)(song)過程(cheng)中(zhong),還可(ke)以進行物(wu)料的加熱(re)、冷(leng)卻、干燥、氣流分級(ji)等(deng)物(wu)理操作(zuo)(zuo)或某些化學操作(zuo)(zuo)。與機械輸(shu)送(song)(song)相(xiang)比,這種方式消耗能量較多,顆(ke)粒容易破損,設(she)備也容易磨損。含水量高、有(you)粘(zhan)性或帶靜電的物(wu)料不適(shi)合氣力輸(shu)送(song)(song)。