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貴州粉煤灰烘干機廠家

詳細介紹

粉煤灰烘干機廠家

粉煤灰烘干機是煤粉經高溫燃燒后形成的一種似火山灰質混合材料。

它是燃(ran)燒(shao)煤(mei)(mei)(mei)的(de)(de)發電廠(chang)將煤(mei)(mei)(mei)磨成(cheng)100微(wei)米以下的(de)(de)煤(mei)(mei)(mei)粉,用(yong)預熱空氣(qi)噴入(ru)爐膛經燃(ran)燒(shao)形成(cheng)懸浮狀態,產生(sheng)混雜有大量不(bu)燃(ran)物的(de)(de)高溫(wen)煙氣(qi),經集塵(chen)裝置捕集就得到了粉煤(mei)(mei)(mei)灰。粉煤(mei)(mei)(mei)灰的(de)(de)化學組成(cheng)與粘土質相似,主要成(cheng)分(fen)為二氧化硅、三氧化二鋁(lv)、三氧化二鐵、氧化鈣和未燃(ran)盡碳。


工作原理

濕粉煤灰(hui)由供料(liao)(liao)(liao)裝置進(jin)(jin)(jin)(jin)入(ru)三層(ceng)(ceng)滾(gun)筒(tong)的(de)內(nei)(nei)(nei)層(ceng)(ceng),實(shi)現(xian)順流(liu)(liu)烘干(gan)(gan), 粉煤灰(hui)在(zai)(zai)內(nei)(nei)(nei)層(ceng)(ceng)的(de)抄(chao)(chao)板(ban)下不斷抄(chao)(chao)起、散(san)(san)落呈螺旋行(xing)(xing)(xing)(xing)進(jin)(jin)(jin)(jin)式(shi)實(shi)現(xian)熱(re)交換,物(wu)料(liao)(liao)(liao)移動至(zhi)內(nei)(nei)(nei)層(ceng)(ceng)的(de)另(ling)一(yi)端進(jin)(jin)(jin)(jin)入(ru)中(zhong)(zhong)層(ceng)(ceng),進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)逆流(liu)(liu)烘干(gan)(gan),物(wu)料(liao)(liao)(liao)在(zai)(zai)中(zhong)(zhong)層(ceng)(ceng)不斷地被反復揚(yang)進(jin)(jin)(jin)(jin),呈進(jin)(jin)(jin)(jin)兩步退一(yi)步的(de)行(xing)(xing)(xing)(xing)進(jin)(jin)(jin)(jin)方式(shi),物(wu)料(liao)(liao)(liao)在(zai)(zai)中(zhong)(zhong)層(ceng)(ceng)既充(chong)分吸收(shou)內(nei)(nei)(nei)層(ceng)(ceng)滾(gun)筒(tong)散(san)(san)發的(de)熱(re)量(liang),又(you)吸收(shou)中(zhong)(zhong)層(ceng)(ceng)滾(gun)筒(tong)的(de)熱(re)量(liang),同時又(you)延長了干(gan)(gan)燥(zao)(zao)(zao)時間,物(wu)料(liao)(liao)(liao)在(zai)(zai)此達到干(gan)(gan)燥(zao)(zao)(zao)狀態。物(wu)料(liao)(liao)(liao)行(xing)(xing)(xing)(xing)至(zhi)中(zhong)(zhong)層(ceng)(ceng)另(ling)一(yi)端而(er)(er)落入(ru)外層(ceng)(ceng),物(wu)料(liao)(liao)(liao)在(zai)(zai)外層(ceng)(ceng)滾(gun)筒(tong)內(nei)(nei)(nei)呈矩(ju)形多(duo)回路方式(shi)行(xing)(xing)(xing)(xing)進(jin)(jin)(jin)(jin),達到干(gan)(gan)燥(zao)(zao)(zao)效(xiao)果(guo)的(de)物(wu)料(liao)(liao)(liao)在(zai)(zai)熱(re)風作用下快速行(xing)(xing)(xing)(xing)進(jin)(jin)(jin)(jin)排出(chu)滾(gun)筒(tong),沒有達到干(gan)(gan)燥(zao)(zao)(zao)效(xiao)果(guo)的(de)濕物(wu)料(liao)(liao)(liao)因(yin)自重而(er)(er)不能快速行(xing)(xing)(xing)(xing)進(jin)(jin)(jin)(jin),物(wu)料(liao)(liao)(liao)在(zai)(zai)此矩(ju)形抄(chao)(chao)板(ban)內(nei)(nei)(nei)進(jin)(jin)(jin)(jin)行(xing)(xing)(xing)(xing)充(chong)分干(gan)(gan)燥(zao)(zao)(zao),由此達到干(gan)(gan)燥(zao)(zao)(zao)效(xiao)果(guo),完成(cheng)干(gan)(gan)燥(zao)(zao)(zao)過程。


設(she)備特點(dian)

該設(she)備與其他(ta)干(gan)燥設(she)備相比,生產(chan)(chan)能(neng)力大,可連續操(cao)作; 結(jie)構(gou)簡單,操(cao)作方便;故障(zhang)少(shao),維修費(fei)用低(di);適用范圍(wei)(wei)廣,流體阻力小,可以用它干(gan)燥顆(ke)料(liao)狀物(wu)料(liao),對于那些附著性大的物(wu)料(liao)也很有利(li);操(cao)作彈性大,生產(chan)(chan)上允許(xu)產(chan)(chan)品的流量(liang)有較大波動(dong)范圍(wei)(wei),不會(hui)影響(xiang)產(chan)(chan)品的質量(liang);清(qing)掃容易。



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