產品概況(kuang)
回轉式三筒烘(hong)干(gan)機(ji)改進原單筒烘(hong)干(gan)機(ji)內(nei)(nei)部(bu)結構，增(zeng)加(jia)(jia)入機(ji)前(qian)濕料(liao)的(de)預烘(hong)干(gan)和延(yan)長濕料(liao)在機(ji)內(nei)(nei)烘(hong)干(gan)時間，再加(jia)(jia)上密封、保溫以(yi)及合理的(de)配套措(cuo)施，使烘(hong)干(gan)機(ji)生(sheng)產能力與(yu)原單筒式烘(hong)干(gan)機(ji)相比，提(ti)高48-80%，單位容積蒸發強度可達120-180kg/m3，標準煤(mei)耗僅為6-8kg/t。其技術先進、運行參數合理，操作簡單可行，廣泛應用于(yu)各個行業的(de)礦渣、粘(zhan)土、煤(mei)。
產品結構
三筒(tong)(tong)烘(hong)干(gan)機(ji)是(shi)通過(guo)對單(dan)筒(tong)(tong)烘(hong)干(gan)機(ji)的(de)單(dan)筒(tong)(tong)體(ti)改為套疊(die)在一起(qi)的(de)三筒(tong)(tong)，以縮短烘(hong)干(gan)機(ji)體(ti)的(de)外形尺寸。該機(ji)工(gong)作時，物料和熱氣流依(yi)次進入內(nei)至外筒(tong)(tong)體(ti)，在機(ji)體(ti)Z形往(wang)復折(zhe)流后，充分利用(yong)熱能烘(hong)干(gan)物料后再(zai)卸出。
烘(hong)干機(ji)筒(tong)(tong)體(ti)(ti)部(bu)分(fen)由(you)三個同(tong)軸(zhou)水平放置的內、中、外筒(tong)(tong)套疊組成，這就使(shi)筒(tong)(tong)體(ti)(ti)的截面得(de)到充分(fen)的利用。其(qi)筒(tong)(tong)體(ti)(ti)外形總長度(du)約為與(yu)之相當的單筒(tong)(tong)的30-35%。從(cong)而大幅度(du)地(di)(di)減少占地(di)(di)面積和廠房建(jian)筑(zhu)面積。
該機(ji)(ji)的(de)支(zhi)承裝置，是在(zai)外筒(tong)上(shang)輪帶(dai)與托輪支(zhi)承，由電機(ji)(ji)直接(jie)帶(dai)動托輪。通過托輪與輪帶(dai)摩擦，使(shi)筒(tong)體轉動。該機(ji)(ji)總體結構緊湊、合理(li)、簡單(dan)，為便于磨損件(jian)的(de)檢修(xiu)更換，在(zai)中間設(she)計成軸向(xiang)剖分式，用(yong)螺栓固定連接(jie)。
工作原(yuan)理
物(wu)料(liao)(liao)(liao)由供料(liao)(liao)(liao)裝置進(jin)(jin)(jin)(jin)入回轉滾(gun)(gun)(gun)筒(tong)(tong)的(de)(de)內層(ceng)(ceng)(ceng)(ceng)(ceng),實現順流(liu)烘(hong)(hong)干,物(wu)料(liao)(liao)(liao)在(zai)(zai)內層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)抄板下(xia)不斷抄起、散(san)落呈螺旋行(xing)(xing)進(jin)(jin)(jin)(jin)式(shi)實現熱(re)(re)交換(huan)，物(wu)料(liao)(liao)(liao)移(yi)動至內層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)另一端(duan)進(jin)(jin)(jin)(jin)入中(zhong)層(ceng)(ceng)(ceng)(ceng)(ceng)，進(jin)(jin)(jin)(jin)行(xing)(xing)逆(ni)流(liu)烘(hong)(hong)干，物(wu)料(liao)(liao)(liao)在(zai)(zai)中(zhong)層(ceng)(ceng)(ceng)(ceng)(ceng)不斷地(di)被反復揚進(jin)(jin)(jin)(jin)，呈進(jin)(jin)(jin)(jin)兩步退一步的(de)(de)行(xing)(xing)進(jin)(jin)(jin)(jin)方(fang)式(shi)，物(wu)料(liao)(liao)(liao)在(zai)(zai)中(zhong)層(ceng)(ceng)(ceng)(ceng)(ceng)既充(chong)分吸收(shou)內層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)散(san)發(fa)的(de)(de)熱(re)(re)量(liang)，又(you)吸收(shou)中(zhong)層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)的(de)(de)熱(re)(re)量(liang)，同時(shi)又(you)延長了(le)干燥(zao)時(shi)間，物(wu)料(liao)(liao)(liao)在(zai)(zai)此(ci)(ci)達到干燥(zao)狀態。物(wu)料(liao)(liao)(liao)行(xing)(xing)至中(zhong)層(ceng)(ceng)(ceng)(ceng)(ceng)另一端(duan)而(er)落入外層(ceng)(ceng)(ceng)(ceng)(ceng)，物(wu)料(liao)(liao)(liao)在(zai)(zai)外層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)內呈矩形(xing)多回路(lu)方(fang)式(shi)行(xing)(xing)進(jin)(jin)(jin)(jin)，達到干燥(zao)效(xiao)果的(de)(de)物(wu)料(liao)(liao)(liao)在(zai)(zai)熱(re)(re)風作用下(xia)快(kuai)速行(xing)(xing)進(jin)(jin)(jin)(jin)排出滾(gun)(gun)(gun)筒(tong)(tong)，沒有達到干燥(zao)效(xiao)果的(de)(de)濕物(wu)料(liao)(liao)(liao)因自(zi)重而(er)不能快(kuai)速行(xing)(xing)進(jin)(jin)(jin)(jin)，物(wu)料(liao)(liao)(liao)在(zai)(zai)此(ci)(ci)矩形(xing)抄板內進(jin)(jin)(jin)(jin)行(xing)(xing)充(chong)分干燥(zao)，由此(ci)(ci)完成干燥(zao)目的(de)(de)。
