產品概況
回轉(zhuan)式三筒(tong)烘(hong)干(gan)機(ji)(ji)改進(jin)原單筒(tong)烘(hong)干(gan)機(ji)(ji)內(nei)部結(jie)構，增加入機(ji)(ji)前濕料的預烘(hong)干(gan)和延長濕料在(zai)機(ji)(ji)內(nei)烘(hong)干(gan)時間，再加上密封、保溫以(yi)及合(he)理(li)的配(pei)套(tao)措(cuo)施(shi)，使(shi)烘(hong)干(gan)機(ji)(ji)生產(chan)能力(li)與原單筒(tong)式烘(hong)干(gan)機(ji)(ji)相比，提高(gao)48-80%，單位容積蒸發強度可達120-180kg/m3，標準煤耗僅為(wei)6-8kg/t。其技術先(xian)進(jin)、運行參數合(he)理(li)，操作簡單可行，廣泛應用于各個行業的礦渣、粘(zhan)土、煤。
產品(pin)結構
三(san)筒烘(hong)(hong)干(gan)機是(shi)通(tong)過對單筒烘(hong)(hong)干(gan)機的(de)單筒體改為(wei)套疊(die)在(zai)一起的(de)三(san)筒，以縮(suo)短烘(hong)(hong)干(gan)機體的(de)外(wai)形尺(chi)寸。該機工作(zuo)時，物(wu)料和熱(re)(re)氣流依次進入內至外(wai)筒體，在(zai)機體Z形往復折(zhe)流后(hou)，充分(fen)利(li)用熱(re)(re)能(neng)烘(hong)(hong)干(gan)物(wu)料后(hou)再卸出。
烘(hong)干機筒(tong)體(ti)(ti)部分由三個同軸水平放置的內、中、外筒(tong)套疊組成，這就(jiu)使筒(tong)體(ti)(ti)的截面得到充分的利(li)用。其筒(tong)體(ti)(ti)外形總(zong)長度(du)約為(wei)與(yu)之相當(dang)的單(dan)筒(tong)的30-35%。從而大幅度(du)地(di)減(jian)少占地(di)面積和廠(chang)房(fang)建筑面積。
該機的支承(cheng)裝置，是在外筒(tong)上(shang)輪帶與(yu)托輪支承(cheng)，由(you)電機直(zhi)接帶動托輪。通(tong)過托輪與(yu)輪帶摩擦，使筒(tong)體轉動。該機總體結構緊湊、合(he)理、簡單，為便(bian)于(yu)磨(mo)損件的檢修(xiu)更換，在中間設計成軸向(xiang)剖分式(shi)，用(yong)螺栓固(gu)定連接。
工(gong)作原(yuan)理
物(wu)(wu)料(liao)(liao)由供(gong)料(liao)(liao)裝置進(jin)(jin)(jin)入回轉(zhuan)滾筒(tong)的內層(ceng)(ceng)(ceng)(ceng),實(shi)現順流(liu)烘(hong)干(gan),物(wu)(wu)料(liao)(liao)在(zai)內層(ceng)(ceng)(ceng)(ceng)的抄(chao)板(ban)下不斷抄(chao)起、散落呈螺旋行(xing)進(jin)(jin)(jin)式實(shi)現熱(re)交換(huan)，物(wu)(wu)料(liao)(liao)移動至(zhi)內層(ceng)(ceng)(ceng)(ceng)的另一(yi)(yi)端進(jin)(jin)(jin)入中層(ceng)(ceng)(ceng)(ceng)，進(jin)(jin)(jin)行(xing)逆流(liu)烘(hong)干(gan)，物(wu)(wu)料(liao)(liao)在(zai)中層(ceng)(ceng)(ceng)(ceng)不斷地(di)被反復(fu)揚進(jin)(jin)(jin)，呈進(jin)(jin)(jin)兩(liang)步退(tui)一(yi)(yi)步的行(xing)進(jin)(jin)(jin)方(fang)式，物(wu)(wu)料(liao)(liao)在(zai)中層(ceng)(ceng)(ceng)(ceng)既充分吸(xi)收內層(ceng)(ceng)(ceng)(ceng)滾筒(tong)散發的熱(re)量(liang)，又(you)吸(xi)收中層(ceng)(ceng)(ceng)(ceng)滾筒(tong)的熱(re)量(liang)，同時又(you)延(yan)長了(le)干(gan)燥(zao)時間，物(wu)(wu)料(liao)(liao)在(zai)此(ci)達(da)到干(gan)燥(zao)狀態。物(wu)(wu)料(liao)(liao)行(xing)至(zhi)中層(ceng)(ceng)(ceng)(ceng)另一(yi)(yi)端而(er)落入外(wai)層(ceng)(ceng)(ceng)(ceng)，物(wu)(wu)料(liao)(liao)在(zai)外(wai)層(ceng)(ceng)(ceng)(ceng)滾筒(tong)內呈矩形(xing)多回路方(fang)式行(xing)進(jin)(jin)(jin)，達(da)到干(gan)燥(zao)效(xiao)果的物(wu)(wu)料(liao)(liao)在(zai)熱(re)風作(zuo)用下快速行(xing)進(jin)(jin)(jin)排出滾筒(tong)，沒有達(da)到干(gan)燥(zao)效(xiao)果的濕(shi)物(wu)(wu)料(liao)(liao)因自重而(er)不能快速行(xing)進(jin)(jin)(jin)，物(wu)(wu)料(liao)(liao)在(zai)此(ci)矩形(xing)抄(chao)板(ban)內進(jin)(jin)(jin)行(xing)充分干(gan)燥(zao)，由此(ci)完成干(gan)燥(zao)目的。
