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甘肅粉煤灰烘干機廠家

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。

它是燃燒煤的(de)發電廠將(jiang)煤磨(mo)成(cheng)100微米以下的(de)煤粉,用預熱空氣噴(pen)入爐膛經燃燒形成(cheng)懸浮狀(zhuang)態,產生混(hun)雜有大量不燃物的(de)高(gao)溫煙(yan)氣,經集塵(chen)裝(zhuang)置捕集就得(de)到了粉煤灰(hui)。粉煤灰(hui)的(de)化(hua)(hua)學組成(cheng)與粘土質相似,主要(yao)成(cheng)分(fen)為(wei)二氧(yang)(yang)化(hua)(hua)硅、三氧(yang)(yang)化(hua)(hua)二鋁、三氧(yang)(yang)化(hua)(hua)二鐵(tie)、氧(yang)(yang)化(hua)(hua)鈣(gai)和未燃盡碳。


工作原理

濕(shi)粉(fen)煤灰(hui)由供料裝置進(jin)(jin)(jin)(jin)入三層(ceng)(ceng)(ceng)滾(gun)筒(tong)(tong)的(de)內(nei)層(ceng)(ceng)(ceng),實現(xian)順流(liu)烘(hong)干(gan)(gan)(gan), 粉(fen)煤灰(hui)在內(nei)層(ceng)(ceng)(ceng)的(de)抄板(ban)下不(bu)斷(duan)抄起、散落呈(cheng)螺旋行(xing)進(jin)(jin)(jin)(jin)式(shi)實現(xian)熱(re)交換(huan),物(wu)料移動至內(nei)層(ceng)(ceng)(ceng)的(de)另(ling)一端進(jin)(jin)(jin)(jin)入中(zhong)層(ceng)(ceng)(ceng),進(jin)(jin)(jin)(jin)行(xing)逆流(liu)烘(hong)干(gan)(gan)(gan),物(wu)料在中(zhong)層(ceng)(ceng)(ceng)不(bu)斷(duan)地被反復揚進(jin)(jin)(jin)(jin),呈(cheng)進(jin)(jin)(jin)(jin)兩步退一步的(de)行(xing)進(jin)(jin)(jin)(jin)方(fang)(fang)式(shi),物(wu)料在中(zhong)層(ceng)(ceng)(ceng)既充分吸收(shou)內(nei)層(ceng)(ceng)(ceng)滾(gun)筒(tong)(tong)散發的(de)熱(re)量(liang),又(you)吸收(shou)中(zhong)層(ceng)(ceng)(ceng)滾(gun)筒(tong)(tong)的(de)熱(re)量(liang),同(tong)時又(you)延長了干(gan)(gan)(gan)燥(zao)(zao)時間(jian),物(wu)料在此達到(dao)干(gan)(gan)(gan)燥(zao)(zao)狀態。物(wu)料行(xing)至中(zhong)層(ceng)(ceng)(ceng)另(ling)一端而落入外(wai)層(ceng)(ceng)(ceng),物(wu)料在外(wai)層(ceng)(ceng)(ceng)滾(gun)筒(tong)(tong)內(nei)呈(cheng)矩形多回路(lu)方(fang)(fang)式(shi)行(xing)進(jin)(jin)(jin)(jin),達到(dao)干(gan)(gan)(gan)燥(zao)(zao)效(xiao)果(guo)的(de)物(wu)料在熱(re)風作用下快速(su)行(xing)進(jin)(jin)(jin)(jin)排(pai)出滾(gun)筒(tong)(tong),沒有達到(dao)干(gan)(gan)(gan)燥(zao)(zao)效(xiao)果(guo)的(de)濕(shi)物(wu)料因自(zi)重而不(bu)能(neng)快速(su)行(xing)進(jin)(jin)(jin)(jin),物(wu)料在此矩形抄板(ban)內(nei)進(jin)(jin)(jin)(jin)行(xing)充分干(gan)(gan)(gan)燥(zao)(zao),由此達到(dao)干(gan)(gan)(gan)燥(zao)(zao)效(xiao)果(guo),完成干(gan)(gan)(gan)燥(zao)(zao)過程(cheng)。


設備特點

該設(she)備(bei)與其他干燥設(she)備(bei)相比,生產能力大(da)(da),可(ke)連續(xu)操(cao)作; 結構簡單,操(cao)作方(fang)便(bian);故障少,維修費用(yong)(yong)低;適用(yong)(yong)范(fan)圍(wei)廣,流(liu)體阻力小(xiao),可(ke)以(yi)用(yong)(yong)它(ta)干燥顆料(liao)(liao)狀(zhuang)物(wu)料(liao)(liao),對于(yu)那些附著性(xing)大(da)(da)的物(wu)料(liao)(liao)也很有利(li);操(cao)作彈(dan)性(xing)大(da)(da),生產上(shang)允許產品(pin)的流(liu)量有較大(da)(da)波動范(fan)圍(wei),不會影響產品(pin)的質(zhi)量;清掃容易。



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