產品概(gai)況
回轉(zhuan)式(shi)三筒烘干(gan)(gan)機改進原(yuan)單(dan)筒烘干(gan)(gan)機內部結構(gou),增加入機前濕(shi)料的(de)(de)預(yu)烘干(gan)(gan)和延長濕(shi)料在機內烘干(gan)(gan)時(shi)間,再加上密封(feng)、保溫以及合理(li)的(de)(de)配套措施,使烘干(gan)(gan)機生產(chan)能(neng)力與原(yuan)單(dan)筒式(shi)烘干(gan)(gan)機相比,提(ti)高(gao)48-80%,單(dan)位容積(ji)蒸發(fa)強(qiang)度可達120-180kg/m3,標準煤(mei)耗僅為(wei)6-8kg/t。其技(ji)術先進、運(yun)行參數合理(li),操作簡單(dan)可行,廣泛(fan)應用于各(ge)個行業(ye)的(de)(de)礦渣、粘土、煤(mei)。
產品結構
三(san)筒(tong)烘(hong)(hong)(hong)干(gan)機(ji)(ji)是通(tong)過(guo)對(dui)單筒(tong)烘(hong)(hong)(hong)干(gan)機(ji)(ji)的單筒(tong)體(ti)(ti)改為套疊在(zai)一起(qi)的三(san)筒(tong),以縮短(duan)烘(hong)(hong)(hong)干(gan)機(ji)(ji)體(ti)(ti)的外形尺寸。該機(ji)(ji)工作(zuo)時,物料和熱氣流依次(ci)進(jin)入(ru)內至外筒(tong)體(ti)(ti),在(zai)機(ji)(ji)體(ti)(ti)Z形往復折流后,充分利(li)用熱能(neng)烘(hong)(hong)(hong)干(gan)物料后再卸出。
烘干(gan)機筒(tong)體部分由三個同(tong)軸水(shui)平放置的(de)(de)內、中、外(wai)筒(tong)套(tao)疊組成(cheng),這就(jiu)使筒(tong)體的(de)(de)截面得到(dao)充分的(de)(de)利用。其筒(tong)體外(wai)形總(zong)長度約為與之相當的(de)(de)單筒(tong)的(de)(de)30-35%。從(cong)而大幅度地減少占地面積(ji)和廠房(fang)建筑面積(ji)。
該機的(de)支承裝(zhuang)置,是在(zai)(zai)外筒上輪(lun)帶(dai)與托輪(lun)支承,由電機直接(jie)帶(dai)動托輪(lun)。通過托輪(lun)與輪(lun)帶(dai)摩擦,使筒體轉動。該機總體結構緊湊、合理(li)、簡單,為便于磨損(sun)件的(de)檢修更換,在(zai)(zai)中間設計成軸向剖分式(shi),用螺栓固定連(lian)接(jie)。
工作原理
物(wu)(wu)(wu)料(liao)由供料(liao)裝置進(jin)(jin)(jin)入回轉滾(gun)(gun)筒(tong)(tong)(tong)的(de)(de)內層(ceng)(ceng)(ceng),實現順流(liu)烘干(gan),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)內層(ceng)(ceng)(ceng)的(de)(de)抄(chao)(chao)板下不斷抄(chao)(chao)起、散(san)落呈(cheng)(cheng)螺旋行(xing)進(jin)(jin)(jin)式(shi)實現熱(re)交換,物(wu)(wu)(wu)料(liao)移動(dong)至內層(ceng)(ceng)(ceng)的(de)(de)另一(yi)端(duan)進(jin)(jin)(jin)入中(zhong)(zhong)層(ceng)(ceng)(ceng),進(jin)(jin)(jin)行(xing)逆(ni)流(liu)烘干(gan),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)中(zhong)(zhong)層(ceng)(ceng)(ceng)不斷地被反復揚進(jin)(jin)(jin),呈(cheng)(cheng)進(jin)(jin)(jin)兩(liang)步退(tui)一(yi)步的(de)(de)行(xing)進(jin)(jin)(jin)方式(shi),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)中(zhong)(zhong)層(ceng)(ceng)(ceng)既(ji)充分吸收(shou)內層(ceng)(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)(tong)散(san)發的(de)(de)熱(re)量(liang),又吸收(shou)中(zhong)(zhong)層(ceng)(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)(tong)的(de)(de)熱(re)量(liang),同(tong)時(shi)又延長了干(gan)燥(zao)(zao)時(shi)間(jian),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)此達到(dao)干(gan)燥(zao)(zao)狀態。物(wu)(wu)(wu)料(liao)行(xing)至中(zhong)(zhong)層(ceng)(ceng)(ceng)另一(yi)端(duan)而(er)落入外層(ceng)(ceng)(ceng),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)外層(ceng)(ceng)(ceng)滾(gun)(gun)筒(tong)(tong)(tong)內呈(cheng)(cheng)矩(ju)形多(duo)回路方式(shi)行(xing)進(jin)(jin)(jin),達到(dao)干(gan)燥(zao)(zao)效果(guo)的(de)(de)物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)熱(re)風作用(yong)下快速行(xing)進(jin)(jin)(jin)排出滾(gun)(gun)筒(tong)(tong)(tong),沒(mei)有達到(dao)干(gan)燥(zao)(zao)效果(guo)的(de)(de)濕(shi)物(wu)(wu)(wu)料(liao)因自重而(er)不能快速行(xing)進(jin)(jin)(jin),物(wu)(wu)(wu)料(liao)在(zai)(zai)(zai)(zai)此矩(ju)形抄(chao)(chao)板內進(jin)(jin)(jin)行(xing)充分干(gan)燥(zao)(zao),由此完成干(gan)燥(zao)(zao)目的(de)(de)。