產品概況
回(hui)轉式三(san)筒(tong)烘干機(ji)改進原單筒(tong)烘干機(ji)內部結構,增加入機(ji)前濕料的(de)預烘干和(he)延長濕料在機(ji)內烘干時(shi)間,再加上密封、保(bao)溫以及合(he)理(li)(li)的(de)配套(tao)措施,使烘干機(ji)生產能(neng)力與(yu)原單筒(tong)式烘干機(ji)相比,提高48-80%,單位(wei)容(rong)積蒸發強度可達120-180kg/m3,標準煤耗僅(jin)為6-8kg/t。其技(ji)術先進、運行(xing)參數合(he)理(li)(li),操作簡(jian)單可行(xing),廣泛(fan)應用于各個行(xing)業的(de)礦渣、粘土、煤。
產品結構
三(san)筒(tong)(tong)(tong)烘干機(ji)是通過對單筒(tong)(tong)(tong)烘干機(ji)的單筒(tong)(tong)(tong)體(ti)(ti)(ti)改(gai)為套(tao)疊在(zai)一起的三(san)筒(tong)(tong)(tong),以縮短烘干機(ji)體(ti)(ti)(ti)的外形(xing)尺寸(cun)。該機(ji)工作時,物料和熱(re)氣(qi)流(liu)(liu)依次進入內至外筒(tong)(tong)(tong)體(ti)(ti)(ti),在(zai)機(ji)體(ti)(ti)(ti)Z形(xing)往復折(zhe)流(liu)(liu)后,充分利用熱(re)能烘干物料后再卸出。
烘干機筒(tong)體(ti)部分(fen)由三個同軸水平放置的(de)內、中、外筒(tong)套疊組成,這就使(shi)筒(tong)體(ti)的(de)截面得到充分(fen)的(de)利(li)用。其筒(tong)體(ti)外形總長度(du)約為與之相(xiang)當的(de)單筒(tong)的(de)30-35%。從(cong)而大(da)幅度(du)地(di)(di)減少(shao)占地(di)(di)面積(ji)和廠(chang)房建筑面積(ji)。
該機的支承(cheng)裝置(zhi),是在外筒上輪帶與托(tuo)輪支承(cheng),由電機直接(jie)帶動托(tuo)輪。通過托(tuo)輪與輪帶摩擦,使筒體轉(zhuan)動。該機總體結構緊(jin)湊、合理、簡單,為便于磨損件(jian)的檢修更換,在中間(jian)設計成軸(zhou)向剖(pou)分式(shi),用螺栓固定連接(jie)。
工(gong)作(zuo)原理
物(wu)料(liao)由(you)(you)供(gong)料(liao)裝置進(jin)(jin)入回轉滾(gun)(gun)筒(tong)(tong)的內(nei)(nei)(nei)層(ceng)(ceng),實(shi)現順流(liu)烘干(gan),物(wu)料(liao)在(zai)(zai)內(nei)(nei)(nei)層(ceng)(ceng)的抄(chao)板下不斷(duan)抄(chao)起、散落呈螺(luo)旋行(xing)(xing)進(jin)(jin)式實(shi)現熱交換,物(wu)料(liao)移動至內(nei)(nei)(nei)層(ceng)(ceng)的另一端(duan)進(jin)(jin)入中層(ceng)(ceng),進(jin)(jin)行(xing)(xing)逆(ni)流(liu)烘干(gan),物(wu)料(liao)在(zai)(zai)中層(ceng)(ceng)不斷(duan)地被(bei)反復揚進(jin)(jin),呈進(jin)(jin)兩步(bu)退一步(bu)的行(xing)(xing)進(jin)(jin)方式,物(wu)料(liao)在(zai)(zai)中層(ceng)(ceng)既(ji)充分吸(xi)收內(nei)(nei)(nei)層(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)散發的熱量,又吸(xi)收中層(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)的熱量,同(tong)時又延長了干(gan)燥(zao)時間,物(wu)料(liao)在(zai)(zai)此達(da)(da)到干(gan)燥(zao)狀態。物(wu)料(liao)行(xing)(xing)至中層(ceng)(ceng)另一端(duan)而落入外(wai)層(ceng)(ceng),物(wu)料(liao)在(zai)(zai)外(wai)層(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)內(nei)(nei)(nei)呈矩形多回路方式行(xing)(xing)進(jin)(jin),達(da)(da)到干(gan)燥(zao)效(xiao)果的物(wu)料(liao)在(zai)(zai)熱風(feng)作用下快速(su)行(xing)(xing)進(jin)(jin)排出(chu)滾(gun)(gun)筒(tong)(tong),沒有達(da)(da)到干(gan)燥(zao)效(xiao)果的濕物(wu)料(liao)因自(zi)重(zhong)而不能快速(su)行(xing)(xing)進(jin)(jin),物(wu)料(liao)在(zai)(zai)此矩形抄(chao)板內(nei)(nei)(nei)進(jin)(jin)行(xing)(xing)充分干(gan)燥(zao),由(you)(you)此完成干(gan)燥(zao)目的。