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)品結構
三筒(tong)式烘干機是通過(guo)對(dui)單(dan)筒(tong)烘干機的單(dan)筒(tong)體(ti)改為套疊在一起的三筒(tong),以(yi)縮(suo)短烘干機體(ti)的外形尺寸。該機工作時,物料和熱(re)氣流依次(ci)進入內(nei)至外筒(tong)體(ti),在機體(ti)Z形往復折(zhe)流后,充(chong)分(fen)利(li)用熱(re)能烘干物料后再卸(xie)出。
烘干機筒(tong)體部分由三個同(tong)軸(zhou)水平放置的內、中、外筒(tong)套疊組成,這就使(shi)筒(tong)體的截面(mian)(mian)得(de)到(dao)充分的利用。其筒(tong)體外形總(zong)長度約為與之相當的單筒(tong)的30-35%。從而(er)大(da)幅度地減少占地面(mian)(mian)積和廠房建筑(zhu)面(mian)(mian)積。
該機(ji)的(de)支承裝置,是在外筒(tong)上(shang)輪帶與托(tuo)輪支承,由電機(ji)直接帶動(dong)托(tuo)輪。通過托(tuo)輪與輪帶摩擦,使筒(tong)體轉動(dong)。該機(ji)總體結構緊湊、合理、簡(jian)單,為(wei)便于磨損件的(de)檢修更換,在中間設計成軸向(xiang)剖分式,用(yong)螺栓(shuan)固定連接。
工作原理
物(wu)(wu)(wu)料(liao)由(you)供料(liao)裝置(zhi)進(jin)(jin)(jin)入(ru)回(hui)轉滾(gun)(gun)筒(tong)的內(nei)層(ceng)(ceng),實(shi)現(xian)順流烘(hong)干(gan)(gan)(gan),物(wu)(wu)(wu)料(liao)在內(nei)層(ceng)(ceng)的抄(chao)(chao)板(ban)下不(bu)斷(duan)抄(chao)(chao)起、散落(luo)呈螺旋行進(jin)(jin)(jin)式實(shi)現(xian)熱交換,物(wu)(wu)(wu)料(liao)移(yi)動至(zhi)內(nei)層(ceng)(ceng)的另一(yi)(yi)端進(jin)(jin)(jin)入(ru)中(zhong)(zhong)層(ceng)(ceng),進(jin)(jin)(jin)行逆流烘(hong)干(gan)(gan)(gan),物(wu)(wu)(wu)料(liao)在中(zhong)(zhong)層(ceng)(ceng)不(bu)斷(duan)地被反復揚進(jin)(jin)(jin),呈進(jin)(jin)(jin)兩步退一(yi)(yi)步的行進(jin)(jin)(jin)方式,物(wu)(wu)(wu)料(liao)在中(zhong)(zhong)層(ceng)(ceng)既充(chong)(chong)分吸(xi)收內(nei)層(ceng)(ceng)滾(gun)(gun)筒(tong)散發的熱量(liang),又吸(xi)收中(zhong)(zhong)層(ceng)(ceng)滾(gun)(gun)筒(tong)的熱量(liang),同時又延長了干(gan)(gan)(gan)燥(zao)(zao)時間,物(wu)(wu)(wu)料(liao)在此達(da)到(dao)(dao)(dao)干(gan)(gan)(gan)燥(zao)(zao)狀態。物(wu)(wu)(wu)料(liao)行至(zhi)中(zhong)(zhong)層(ceng)(ceng)另一(yi)(yi)端而落(luo)入(ru)外(wai)層(ceng)(ceng),物(wu)(wu)(wu)料(liao)在外(wai)層(ceng)(ceng)滾(gun)(gun)筒(tong)內(nei)呈矩形多回(hui)路方式行進(jin)(jin)(jin),達(da)到(dao)(dao)(dao)干(gan)(gan)(gan)燥(zao)(zao)效果的物(wu)(wu)(wu)料(liao)在熱風作用下快速行進(jin)(jin)(jin)排出滾(gun)(gun)筒(tong),沒有達(da)到(dao)(dao)(dao)干(gan)(gan)(gan)燥(zao)(zao)效果的濕物(wu)(wu)(wu)料(liao)因(yin)自(zi)重而不(bu)能快速行進(jin)(jin)(jin),物(wu)(wu)(wu)料(liao)在此矩形抄(chao)(chao)板(ban)內(nei)進(jin)(jin)(jin)行充(chong)(chong)分干(gan)(gan)(gan)燥(zao)(zao),由(you)此完成干(gan)(gan)(gan)燥(zao)(zao)目的。