DW形(xing)帶式干燥機 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
DW BELT DRYER | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
★DW形帶式干燥機 用(yong)途概(gai)述(shu):General of application | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
※DW 型產品突出性。用于透氣性較好的片狀、條狀、顆粒狀物料的干燥,對于脫水蔬菜,中藥飲片等含水量高,而溫度不允許高的物料尤為適用;該系列干燥機具有干燥速度快,蒸發強度高,產品質量好的優點。對脫水濾餅狀的膏狀物料,需經造粒或制成棒狀后亦可干燥。 ※DW machine gives prominence to special application. It is suitable for drying piece, strip or granule material with better air penetrability. For dehydrated vegetable, drinking tablet of Chinese medicine that contain high moisture and does not permit at high temperature, it is suitable particularly. It features high drying speed, strong evaporation strength, high quality, etc. for paste material such as dehydrated filtering caky, it can be dried after granulated too. DW形 工(gong)作原理: 工作原理(li)如圖所示(shi),料斗中(zhong)的物(wu)(wu)料由(you)加(jia)料器(qi)均勻地鋪在網帶上(shang),網帶采用12-60目不銹(xiu)鋼絲綱,由(you)傳動(dong)裝置拖(tuo)動(dong)在干(gan)(gan)燥機(ji)內移動(dong)。干(gan)(gan)燥段由(you)若干(gan)(gan)單(dan)元(yuan)組成(cheng),每一(yi)單(dan)元(yuan)熱(re)(re)風(feng)(feng)獨立循環(huan)(huan),其中(zhong)部(bu)(bu)分尾(wei)氣(qi)(qi)(qi)由(you)專門排濕(shi)風(feng)(feng)機(ji)(6)排出(chu)(chu),每一(yi)單(dan)元(yuan)排出(chu)(chu)氣(qi)(qi)(qi)量(liang)均有調(diao)節閥(fa)(7)控制。在上(shang)循環(huan)(huan)單(dan)元(yuan)中(zhong),循環(huan)(huan)風(feng)(feng)機(ji)(5)出(chu)(chu)來的風(feng)(feng)由(you)側面風(feng)(feng)道進(jin)入(ru)單(dan)元(yuan)下(xia)腔,氣(qi)(qi)(qi)流向上(shang)通(tong)過(guo)(guo)換熱(re)(re)器(qi)(4)加(jia)熱(re)(re),并經(jing)分配器(qi)(3)分配后,成(cheng)噴(pen)射流吹向網帶,穿過(guo)(guo)物(wu)(wu)料后進(jin)入(ru)上(shang)腔。干(gan)(gan)燥過(guo)(guo)程是熱(re)(re)風(feng)(feng)氣(qi)(qi)(qi)流穿過(guo)(guo)物(wu)(wu)料層,完(wan)成(cheng)熱(re)(re)量(liang)與(yu)質量(liang)傳達過(guo)(guo)程。上(shang)腔由(you)風(feng)(feng)管與(yu)風(feng)(feng)機(ji)入(ru)口(kou)相(xiang)連(lian),大部(bu)(bu)分氣(qi)(qi)(qi)流體循環(huan)(huan),一(yi)部(bu)(bu)分溫度較低含濕(shi)量(liang)較大的氣(qi)(qi)(qi)體作為廢(fei)氣(qi)(qi)(qi)經(jing)排濕(shi)管、調(diao)節閥(fa)、排濕(shi)風(feng)(feng)機(ji)排出(chu)(chu)。下(xia)循環(huan)(huan)單(dan)元(yuan)中(zhong),循環(huan)(huan)風(feng)(feng)機(ji)出(chu)(chu)來的風(feng)(feng)先(xian)進(jin)入(ru)上(shang)腔,向下(xia)經(jing)換熱(re)(re)器(qi)加(jia)熱(re)(re),穿過(guo)(guo)物(wu)(wu)料層進(jin)入(ru)下(xia)腔,下(xia)腔由(you)側面風(feng)(feng)道及回(hui)風(feng)(feng)管與(yu)風(feng)(feng)機(ji)入(ru)口(kou)相(xiang)連(lian),大部(bu)(bu)分氣(qi)(qi)(qi)體循環(huan)(huan),一(yi)部(bu)(bu)分排出(chu)(chu)。上(shang)下(xia)循環(huan)(huan)單(dan)元(yuan)根(gen)(gen)據(ju)(ju)用戶(hu)需(xu)要可(ke)靈活配備,單(dan)元(yuan)數量(liang)亦可(ke)根(gen)(gen)據(ju)(ju)需(xu)要選取。 用(yong)于(yu)脫水(shui)蔬菜時(shi),一般使(shi)(shi)用(yong)三臺設備串聯(lian)使(shi)(shi)用(yong),形成初干(gan)(gan)段、中間段及(ji)終干(gan)(gan)段。在初干(gan)(gan)段中,由于(yu)物(wu)料(liao)含水(shui)量(liang)高,透(tou)氣性差(cha),故采用(yong)小的(de)(de)(de)鋪料(liao)厚(hou)度(du)(du),較快的(de)(de)(de)運行速度(du)(du)及(ji)較高的(de)(de)(de)干(gan)(gan)燥(zao)(zao)(zao)溫度(du)(du)。對物(wu)料(liao)溫度(du)(du)不允許超過(guo)60℃的(de)(de)(de)物(wu)料(liao),初干(gan)(gan)段中,干(gan)(gan)燥(zao)(zao)(zao)氣體溫度(du)(du)可高達120℃以下,終干(gan)(gan)段內(nei)物(wu)料(liao)停留時(shi)間是(shi)初干(gan)(gan)段的(de)(de)(de)3-6倍,鋪料(liao)厚(hou)度(du)(du)是(shi)初干(gan)(gan)段的(de)(de)(de)2-4倍。各單元(yuan)的(de)(de)(de)熱風溫度(du)(du)可獨立控制(zhi)。采用(yong)多(duo)段組(zu)合,發揮帶(dai)式干(gan)(gan)燥(zao)(zao)(zao)的(de)(de)(de)靈(ling)活組(zu)合性能,使(shi)(shi)物(wu)料(liao)干(gan)(gan)燥(zao)(zao)(zao)程(cheng)度(du)(du)更(geng)均(jun)勻,更(geng)適合不同(tong)物(wu)料(liao)的(de)(de)(de)干(gan)(gan)燥(zao)(zao)(zao)特征。 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
★DW形 技術參數:Technical Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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