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。
產品結(jie)構
三筒(tong)式(shi)烘(hong)干(gan)(gan)機(ji)是通過對單筒(tong)烘(hong)干(gan)(gan)機(ji)的單筒(tong)體(ti)改為套疊在(zai)一起(qi)的三筒(tong),以縮短烘(hong)干(gan)(gan)機(ji)體(ti)的外(wai)形尺寸。該機(ji)工作時,物料和熱氣流(liu)依次進入內(nei)至外(wai)筒(tong)體(ti),在(zai)機(ji)體(ti)Z形往復(fu)折流(liu)后,充(chong)分利用熱能烘(hong)干(gan)(gan)物料后再卸出(chu)。
烘(hong)干機(ji)筒(tong)(tong)體(ti)部分(fen)由(you)三(san)個同軸水平放置(zhi)的內、中、外筒(tong)(tong)套疊組成,這就使筒(tong)(tong)體(ti)的截面得到(dao)充分(fen)的利用。其筒(tong)(tong)體(ti)外形總長度約為(wei)與之相當的單筒(tong)(tong)的30-35%。從而大(da)幅度地減少占地面積和廠(chang)房建筑(zhu)面積。
該(gai)機的支(zhi)承裝置(zhi),是在(zai)外筒(tong)上輪(lun)帶(dai)與托輪(lun)支(zhi)承,由(you)電機直(zhi)接帶(dai)動托輪(lun)。通過托輪(lun)與輪(lun)帶(dai)摩擦,使筒(tong)體(ti)轉動。該(gai)機總體(ti)結構緊湊、合理、簡單(dan),為便(bian)于磨(mo)損件的檢(jian)修更換,在(zai)中間設計成軸向(xiang)剖分式,用螺栓固定連接。
工作原理
物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)由供料(liao)(liao)(liao)(liao)(liao)裝置進(jin)(jin)(jin)入回(hui)轉(zhuan)滾(gun)(gun)(gun)筒(tong)(tong)的(de)內層(ceng)(ceng)(ceng)(ceng)(ceng),實現(xian)順流烘干(gan)(gan),物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)內層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)抄(chao)板下不斷抄(chao)起(qi)、散落(luo)呈螺旋行進(jin)(jin)(jin)式實現(xian)熱(re)(re)交換,物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)移(yi)動至內層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)另(ling)一端進(jin)(jin)(jin)入中層(ceng)(ceng)(ceng)(ceng)(ceng),進(jin)(jin)(jin)行逆(ni)流烘干(gan)(gan),物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)中層(ceng)(ceng)(ceng)(ceng)(ceng)不斷地被反復揚(yang)進(jin)(jin)(jin),呈進(jin)(jin)(jin)兩步退(tui)一步的(de)行進(jin)(jin)(jin)方式,物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)中層(ceng)(ceng)(ceng)(ceng)(ceng)既(ji)充(chong)分吸(xi)收(shou)內層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)散發的(de)熱(re)(re)量,又吸(xi)收(shou)中層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)的(de)熱(re)(re)量,同時又延長了干(gan)(gan)燥時間(jian),物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)此達(da)到(dao)干(gan)(gan)燥狀態。物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)行至中層(ceng)(ceng)(ceng)(ceng)(ceng)另(ling)一端而(er)落(luo)入外層(ceng)(ceng)(ceng)(ceng)(ceng),物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)外層(ceng)(ceng)(ceng)(ceng)(ceng)滾(gun)(gun)(gun)筒(tong)(tong)內呈矩形多(duo)回(hui)路方式行進(jin)(jin)(jin),達(da)到(dao)干(gan)(gan)燥效果的(de)物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)熱(re)(re)風作(zuo)用下快速行進(jin)(jin)(jin)排出滾(gun)(gun)(gun)筒(tong)(tong),沒有達(da)到(dao)干(gan)(gan)燥效果的(de)濕(shi)物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)因自重而(er)不能快速行進(jin)(jin)(jin),物(wu)(wu)料(liao)(liao)(liao)(liao)(liao)在(zai)(zai)此矩形抄(chao)板內進(jin)(jin)(jin)行充(chong)分干(gan)(gan)燥,由此完成干(gan)(gan)燥目的(de)。