產品概況
回轉式三筒烘干機改進原單筒烘干機內部結構，增加入機前濕料的預烘干和延長濕料在機內烘干時間，再加上密封、保溫以及合理的配套措施，使烘干機生產能力與原單筒式烘干機相比，提高48-80%，單位容積蒸發強度可達120-180kg/m3，標準煤耗僅為6-8kg/t。其技術先進、運行參數合理，操作簡單可行，廣泛應用于各個行業的礦渣、粘土、煤。
產(chan)品結(jie)構
三(san)筒(tong)(tong)式(shi)烘(hong)干(gan)機(ji)(ji)是通過對單(dan)筒(tong)(tong)烘(hong)干(gan)機(ji)(ji)的單(dan)筒(tong)(tong)體改為(wei)套疊在(zai)一(yi)起的三(san)筒(tong)(tong)，以縮短(duan)烘(hong)干(gan)機(ji)(ji)體的外(wai)(wai)形尺寸(cun)。該機(ji)(ji)工作時(shi)，物(wu)料和熱氣(qi)流依次進入內(nei)至(zhi)外(wai)(wai)筒(tong)(tong)體，在(zai)機(ji)(ji)體Z形往復折流后，充(chong)分(fen)利用熱能烘(hong)干(gan)物(wu)料后再卸出。
烘干機(ji)筒(tong)體(ti)部(bu)分由三個同軸水平放置的(de)內、中(zhong)、外筒(tong)套疊組成，這就使筒(tong)體(ti)的(de)截面(mian)得到充分的(de)利用。其筒(tong)體(ti)外形總長度約為與之(zhi)相(xiang)當的(de)單筒(tong)的(de)30-35%。從而大幅度地減少(shao)占地面(mian)積和廠(chang)房建筑面(mian)積。
該機(ji)的支承(cheng)(cheng)裝置，是在外筒(tong)上輪(lun)帶與托輪(lun)支承(cheng)(cheng)，由電機(ji)直接帶動托輪(lun)。通過托輪(lun)與輪(lun)帶摩擦，使(shi)筒(tong)體轉動。該機(ji)總體結構緊湊、合理、簡單，為(wei)便(bian)于磨損(sun)件的檢修更換(huan)，在中間(jian)設計(ji)成軸向剖分(fen)式(shi)，用螺栓固(gu)定連接。
工(gong)作原理(li)
物(wu)(wu)(wu)(wu)料(liao)由(you)供料(liao)裝置進(jin)(jin)(jin)入(ru)回轉滾筒(tong)(tong)(tong)的(de)(de)內(nei)(nei)(nei)層,實現順流(liu)烘干,物(wu)(wu)(wu)(wu)料(liao)在(zai)內(nei)(nei)(nei)層的(de)(de)抄板下(xia)不(bu)斷(duan)抄起、散落呈(cheng)螺旋(xuan)行(xing)(xing)進(jin)(jin)(jin)式實現熱交換，物(wu)(wu)(wu)(wu)料(liao)移動至內(nei)(nei)(nei)層的(de)(de)另一(yi)端進(jin)(jin)(jin)入(ru)中(zhong)層，進(jin)(jin)(jin)行(xing)(xing)逆流(liu)烘干，物(wu)(wu)(wu)(wu)料(liao)在(zai)中(zhong)層不(bu)斷(duan)地被(bei)反復揚進(jin)(jin)(jin)，呈(cheng)進(jin)(jin)(jin)兩步退一(yi)步的(de)(de)行(xing)(xing)進(jin)(jin)(jin)方(fang)式，物(wu)(wu)(wu)(wu)料(liao)在(zai)中(zhong)層既充分吸(xi)收內(nei)(nei)(nei)層滾筒(tong)(tong)(tong)散發的(de)(de)熱量(liang)(liang)，又吸(xi)收中(zhong)層滾筒(tong)(tong)(tong)的(de)(de)熱量(liang)(liang)，同時(shi)又延長了干燥(zao)時(shi)間，物(wu)(wu)(wu)(wu)料(liao)在(zai)此(ci)達到干燥(zao)狀(zhuang)態。物(wu)(wu)(wu)(wu)料(liao)行(xing)(xing)至中(zhong)層另一(yi)端而(er)落入(ru)外層，物(wu)(wu)(wu)(wu)料(liao)在(zai)外層滾筒(tong)(tong)(tong)內(nei)(nei)(nei)呈(cheng)矩形多回路方(fang)式行(xing)(xing)進(jin)(jin)(jin)，達到干燥(zao)效果(guo)的(de)(de)物(wu)(wu)(wu)(wu)料(liao)在(zai)熱風作用下(xia)快(kuai)速(su)行(xing)(xing)進(jin)(jin)(jin)排出滾筒(tong)(tong)(tong)，沒有達到干燥(zao)效果(guo)的(de)(de)濕物(wu)(wu)(wu)(wu)料(liao)因自重而(er)不(bu)能快(kuai)速(su)行(xing)(xing)進(jin)(jin)(jin)，物(wu)(wu)(wu)(wu)料(liao)在(zai)此(ci)矩形抄板內(nei)(nei)(nei)進(jin)(jin)(jin)行(xing)(xing)充分干燥(zao)，由(you)此(ci)完成干燥(zao)目的(de)(de)。
