沙子烘干機是一種處理大量物料的干燥設備，運轉可靠、操作彈性大、適應性強、處理量大。河沙沙子烘干機一般適應于顆粒狀物料。特別是烘干沙子、河沙、石英砂等烘干效果好。河沙沙子烘干機的優點是生產能力大、適用范圍廣、流量阻力小、操作上允許波動范圍較大、操作方便等。常用于烘干河沙、人工砂、石英砂、礦粉、煤渣等。

工(gong)作原理(li)

沙(sha)子由皮(pi)帶輸(shu)送(song)(song)(song)機(ji)(ji)(ji)或(huo)斗式提升(sheng)機(ji)(ji)(ji)送(song)(song)(song)到料(liao)(liao)(liao)(liao)(liao)(liao)斗，然后經(jing)(jing)料(liao)(liao)(liao)(liao)(liao)(liao)斗的(de)加(jia)(jia)料(liao)(liao)(liao)(liao)(liao)(liao)機(ji)(ji)(ji)通過加(jia)(jia)料(liao)(liao)(liao)(liao)(liao)(liao)管道(dao)進(jin)入(ru)加(jia)(jia)料(liao)(liao)(liao)(liao)(liao)(liao)端(duan)。加(jia)(jia)料(liao)(liao)(liao)(liao)(liao)(liao)管道(dao)的(de)斜(xie)度要(yao)(yao)大于物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)的(de)自然傾角(jiao)，以(yi)便物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)順利流入(ru)沙(sha)子烘(hong)干機(ji)(ji)(ji)內(nei)(nei)。烘(hong)干機(ji)(ji)(ji)圓筒(tong)(tong)(tong)是(shi)一個與水平線略成(cheng)(cheng)傾斜(xie)的(de)旋轉圓筒(tong)(tong)(tong)。物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)從較(jiao)高一端(duan)加(jia)(jia)入(ru)，載(zai)(zai)(zai)熱體(ti)(ti)(ti)(ti)由低端(duan)進(jin)入(ru)，與物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)成(cheng)(cheng)逆流接(jie)(jie)觸，也有載(zai)(zai)(zai)熱體(ti)(ti)(ti)(ti)和(he)物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)一起并(bing)(bing)流進(jin)入(ru)筒(tong)(tong)(tong)體(ti)(ti)(ti)(ti)的(de)。隨(sui)著圓筒(tong)(tong)(tong)的(de)轉動物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)受(shou)重力作(zuo)用(yong)運行到較(jiao)底的(de)一端(duan)。濕(shi)物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)在(zai)筒(tong)(tong)(tong)體(ti)(ti)(ti)(ti)內(nei)(nei)向前移動過程中，直(zhi)接(jie)(jie)或(huo)間接(jie)(jie)得(de)到了載(zai)(zai)(zai)熱體(ti)(ti)(ti)(ti)的(de)給熱，使(shi)(shi)濕(shi)物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)得(de)以(yi)干燥，然后在(zai)出料(liao)(liao)(liao)(liao)(liao)(liao)端(duan)經(jing)(jing)皮(pi)帶機(ji)(ji)(ji)或(huo)螺旋輸(shu)送(song)(song)(song)機(ji)(ji)(ji)送(song)(song)(song)出。在(zai)豫合沙(sha)子烘(hong)干機(ji)(ji)(ji)筒(tong)(tong)(tong)體(ti)(ti)(ti)(ti)內(nei)(nei)壁(bi)上(shang)裝有抄板，它的(de)作(zuo)用(yong)是(shi)把物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)抄起來又撒下，使(shi)(shi)物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)與氣流的(de)接(jie)(jie)觸表面增大，以(yi)提高干燥速率(lv)并(bing)(bing)促(cu)進(jin)物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)前進(jin)。載(zai)(zai)(zai)熱體(ti)(ti)(ti)(ti)一般(ban)分(fen)為熱空氣、煙道(dao)氣等(deng)。載(zai)(zai)(zai)熱體(ti)(ti)(ti)(ti)經(jing)(jing)干燥器(qi)以(yi)后，一般(ban)需要(yao)(yao)旋風除(chu)塵(chen)(chen)器(qi)將氣體(ti)(ti)(ti)(ti)內(nei)(nei)所帶物(wu)(wu)(wu)(wu)(wu)料(liao)(liao)(liao)(liao)(liao)(liao)捕集下來。如(ru)需進(jin)一步減少(shao)尾氣含塵(chen)(chen)量，還應經(jing)(jing)過袋(dai)式除(chu)除(chu)塵(chen)(chen)器(qi)或(huo)濕(shi)法除(chu)塵(chen)(chen)器(qi)后再放(fang)排放(fang)。

設備特(te)點(dian)

1.設備投(tou)資是國外(wai)進(jin)口產品的20%，采用(yong)耐磨(mo)錳板制(zhi)造，比普通鋼板耐磨(mo)3-4倍。

2.物料初水(shui)分15%，終水(shui)分確(que)保(bao)0.5-1%以下，是水(shui)泥(ni)廠礦渣(zha)粉(fen)，干粉(fen)砂漿生產線等各種(zhong)烘干工程(cheng)先選擇(ze)產品。

3.比傳統單筒(tong)烘干機提高熱效率達(da)40%以上。

4.燃(ran)料(liao)可適(shi)用白(bai)煤(mei)、煙煤(mei)、煤(mei)矸石、油、汽。能(neng)烘20-40mm以(yi)下塊料(liao)、粒料(liao)、粉(fen)狀物料(liao)。

5.比單筒(tong)烘干機減少占(zhan)地面(mian)積60%左(zuo)右(you)。土建投(tou)資降低(di)60%左(zuo)右(you)，安裝方便。

6.無漏風現象，徹(che)底解決了(le)密(mi)封難點。

7.出料溫度≤60度，可直接(jie)進(jin)料庫，無需進(jin)冷卻棚冷卻。

8.外筒(tong)體溫度(du)≤60度(du)，廢氣溫度(du)<120度(du)，除塵設(she)備布袋使用時間長2倍以上。

耗(hao)煤是(shi)單筒烘(hong)干機的1/3，節(jie)電40%，噸標煤耗(hao)<9公斤(jin)。