石英砂烘干機是一種工業設備，應用于肥料、冶金、化工、礦山、電力等行業。

工作原理

石英砂烘干機是(shi)一種傾斜(xie)安裝的回轉(zhuan)式鋼筒(tong)體，斜(xie)度為3-6％，轉(zhuan)速(su)為5-9r/min。

筒(tong)體(ti)(ti)(ti)上(shang)裝(zhuang)有(you)輪(lun)(lun)帶(dai)和大齒圈。筒(tong)體(ti)(ti)(ti)依(yi)靠輪(lun)(lun)帶(dai)支撐(cheng)在托輪(lun)(lun)上(shang)。驅動(dong)(dong)(dong)裝(zhuang)置端(duan)(duan)的(de)(de)輪(lun)(lun)帶(dai)一側(ce)裝(zhuang)有(you)擋輪(lun)(lun)，以限制筒(tong)體(ti)(ti)(ti)沿傾斜方向(xiang)(xiang)的(de)(de)竄(cuan)動(dong)(dong)(dong)。在烘(hong)(hong)干機(ji)(ji)(ji)設(she)備底(di)部(bu)溫(wen)(wen)度(du)達400℃-800℃狀態下(xia)，物(wu)(wu)料(liao)(liao)(liao)由(you)提升機(ji)(ji)(ji)或者皮帶(dai)機(ji)(ji)(ji)從(cong)(cong)喂料(liao)(liao)(liao)口喂入烘(hong)(hong)干機(ji)(ji)(ji)筒(tong)體(ti)(ti)(ti)通(tong)過(guo)大齒圈在驅動(dong)(dong)(dong)裝(zhuang)置作用(yong)(yong)下(xia)回轉，由(you)于筒(tong)體(ti)(ti)(ti)具有(you)一定(ding)的(de)(de)斜度(du)且連續不斷(duan)(duan)地回轉，使(shi)得物(wu)(wu)料(liao)(liao)(liao)在重力的(de)(de)作用(yong)(yong)下(xia)從(cong)(cong)高端(duan)(duan)向(xiang)(xiang)低端(duan)(duan)移動(dong)(dong)(dong)，在移動(dong)(dong)(dong)的(de)(de)過(guo)程(cheng)中(zhong)逐漸與熱(re)源產(chan)生(sheng)的(de)(de)高溫(wen)(wen)氣體(ti)(ti)(ti)進行熱(re)交換。烘(hong)(hong)干后的(de)(de)物(wu)(wu)料(liao)(liao)(liao)從(cong)(cong)低端(duan)(duan)卸出(chu)(chu)，物(wu)(wu)料(liao)(liao)(liao)所含(han)水(shui)份蒸(zheng)發(fa)后被氣流帶(dai)走，物(wu)(wu)料(liao)(liao)(liao)在烘(hong)(hong)干機(ji)(ji)(ji)內停留時(shi)間約(yue)為13-20min，可根(gen)據根(gen)據物(wu)(wu)料(liao)(liao)(liao)含(han)水(shui)率(lv)進行不同(tong)設(she)計(ji)。熱(re)氣體(ti)(ti)(ti)由(you)熱(re)風爐生(sheng)成(cheng)，在烘(hong)(hong)干機(ji)(ji)(ji)內部(bu)物(wu)(wu)料(liao)(liao)(liao)相接觸(chu)，通(tong)過(guo)熱(re)傳導，對流，輻射等(deng)多種方式(shi)將熱(re)量傳遞給物(wu)(wu)料(liao)(liao)(liao)，從(cong)(cong)而使(shi)物(wu)(wu)料(liao)(liao)(liao)溫(wen)(wen)度(du)不斷(duan)(duan)升高，水(shui)分不斷(duan)(duan)被蒸(zheng)發(fa)，符合水(shui)分要(yao)求(qiu)的(de)(de)物(wu)(wu)料(liao)(liao)(liao)從(cong)(cong)出(chu)(chu)料(liao)(liao)(liao)端(duan)(duan)出(chu)(chu)料(liao)(liao)(liao)罩下(xia)部(bu)出(chu)(chu)口卸料(liao)(liao)(liao),帶(dai)著水(shui)蒸(zheng)汽的(de)(de)氣體(ti)(ti)(ti)經除塵器(qi)等(deng)環保設(she)施處(chu)理(li)后達到(dao)環保要(yao)求(qiu)排放標的(de)(de)煙氣由(you)引風機(ji)(ji)(ji)抽(chou)出(chu)(chu)經煙囪排空。

適(shi)用(yong)范圍

石英砂烘干機在傳統單筒回轉式烘干機結構的基礎上進行了大幅度的突破和創新。從烘干機理上看，物料與熱氣流的交換更加充分。適應粘土、石膏、煤、礦渣、煤矸石、混合料、干混砂漿、黃砂、鐵粉等各種原材料的烘干，也適用于磷肥、復合肥生產中原料及冶金、化工等行業的各種散狀物料的烘干。