產品時間:2018-07-13
FD-50實驗(yan)室小型(xing)冷(leng)凍干燥(zao)(zao)機(ji),冷(leng)凍干燥(zao)(zao)機(ji)是由制(zhi)冷(leng)系統(tong)(tong)、真空(kong)系統(tong)(tong)、加(jia)熱系統(tong)(tong)、電器儀表控制(zhi)系統(tong)(tong)所(suo)組(zu)成的機(ji)器。冷(leng)凍干燥(zao)(zao)機(ji)主要部件分為干燥(zao)(zao)箱、凝(ning)結器、冷(leng)凍機(ji)組(zu)、真空(kong)泵、加(jia)熱/冷(leng)卻裝(zhuang)置等(deng)(deng)。真空(kong)冷(leng)凍干燥(zao)(zao)技術在生物工(gong)(gong)程、醫(yi)藥工(gong)(gong)業、食(shi)品工(gong)(gong)業、材料(liao)科(ke)學和農副(fu)產品深(shen)加(jia)工(gong)(gong)等(deng)(deng)領域有(you)著廣泛的應(ying)用
FD-50實驗室小型冷凍干燥機
冷(leng)(leng)(leng)(leng)凍干燥(zao)機的制(zhi)冷(leng)(leng)(leng)(leng)系統(tong)(tong)屬于壓(ya)縮式制(zhi)冷(leng)(leng)(leng)(leng),由(you)制(zhi)冷(leng)(leng)(leng)(leng)壓(ya)縮機、冷(leng)(leng)(leng)(leng)凝器、蒸發(fa)器、膨脹閥等四個基本(ben)部件(jian)組(zu)成。它們之間用管道次連(lian)接,形成一個密閉的系統(tong)(tong),制(zhi)冷(leng)(leng)(leng)(leng)劑在系統(tong)(tong)中不斷地(di)循(xun)環流動,發(fa)生狀態(tai)變化并與壓(ya)縮空氣和冷(leng)(leng)(leng)(leng)卻介(jie)質進行熱量(liang)交換。
FD-50實驗室小型冷凍干燥機
制(zhi)(zhi)冷(leng)(leng)(leng)壓縮機(ji)將蒸(zheng)(zheng)發器(qi)(qi)內(nei)(nei)的(de)(de)低(di)壓(低(di)溫(wen)(wen))制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)吸(xi)入壓縮機(ji)汽(qi)缸內(nei)(nei),制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)(zheng)汽(qi)經過壓縮,壓力、溫(wen)(wen)度(du)同時升高;高壓高溫(wen)(wen)的(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)(zheng)汽(qi)被(bei)壓至(zhi)冷(leng)(leng)(leng)凝(ning)器(qi)(qi),在冷(leng)(leng)(leng)凝(ning)器(qi)(qi)內(nei)(nei),溫(wen)(wen)度(du)較高的(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)(zheng)汽(qi)與溫(wen)(wen)度(du)比較低(di)的(de)(de)冷(leng)(leng)(leng)卻水或空(kong)氣(qi)進行熱(re)交換,制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)的(de)(de)熱(re)量被(bei)水或空(kong)氣(qi)帶(dai)走而冷(leng)(leng)(leng)凝(ning)下來,制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)(zheng)汽(qi)變成(cheng)了液體(ti)。這(zhe)部分(fen)液體(ti)再被(bei)輸送至(zhi)膨脹(zhang)閥,經過膨脹(zhang)閥節流成(cheng)了低(di)溫(wen)(wen)低(di)壓的(de)(de)液體(ti)并進入蒸(zheng)(zheng)發器(qi)(qi);在蒸(zheng)(zheng)發器(qi)(qi)內(nei)(nei)低(di)溫(wen)(wen)、低(di)壓的(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)液體(ti)吸(xi)收壓縮空(kong)氣(qi)的(de)(de)熱(re)量而汽(qi)化(俗稱(cheng)“蒸(zheng)(zheng)發”),而壓縮空(kong)氣(qi)得到冷(leng)(leng)(leng)卻后凝(ning)結出大量的(de)(de)液體(ti)水;蒸(zheng)(zheng)發器(qi)(qi)中的(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)(zheng)汽(qi)又被(bei)壓縮機(ji)吸(xi)走,這(zhe)樣制(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)(ji)便(bian)在系統(tong)中經過壓縮、冷(leng)(leng)(leng)凝(ning)、節流、蒸(zheng)(zheng)發這(zhe)樣四(si)個過程(cheng),從而完成(cheng)了一個循(xun)環。
在(zai)(zai)冷凍干(gan)燥(zao)(zao)機的(de)(de)制冷系統(tong)中(zhong),蒸發(fa)(fa)器(qi)(qi)是輸送(song)冷量(liang)的(de)(de)設(she)(she)備(bei),制冷劑(ji)(ji)在(zai)(zai)其(qi)中(zhong)吸收(shou)壓(ya)(ya)(ya)(ya)縮空氣的(de)(de)熱量(liang),實(shi)現脫水(shui)干(gan)燥(zao)(zao)的(de)(de)目(mu)的(de)(de)。壓(ya)(ya)(ya)(ya)縮機是心臟(zang),起(qi)著吸入(ru)、壓(ya)(ya)(ya)(ya)縮、輸送(song)制冷劑(ji)(ji)蒸汽的(de)(de)作用。冷凝器(qi)(qi)是放出熱量(liang)的(de)(de)設(she)(she)備(bei),將蒸發(fa)(fa)器(qi)(qi)中(zhong)吸收(shou)的(de)(de)熱量(liang)連(lian)同壓(ya)(ya)(ya)(ya)縮機輸入(ru)功率轉化的(de)(de)熱量(liang)一起(qi)傳遞(di)給冷卻介質(如水(shui)或(huo)空氣)帶(dai)走。膨脹閥/節流閥對(dui)制冷劑(ji)(ji)起(qi)節流降壓(ya)(ya)(ya)(ya)作用、同時控(kong)制和(he)調節流入(ru)蒸發(fa)(fa)器(qi)(qi)中(zhong)制冷劑(ji)(ji)液(ye)體的(de)(de)數量(liang),并將系統(tong)分(fen)為高壓(ya)(ya)(ya)(ya)側(ce)和(he)低壓(ya)(ya)(ya)(ya)側(ce)兩大部(bu)分(fen)。
產品名稱 | 真空(kong)冷凍干燥機 |
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型號 | FD-50 | |
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冷井盤(pan)管溫(wen)度 | -50°C以下(空載) | |
極限真空(kong)度 | 20pa以(yi)下(空(kong)載) | |
T型架型 | 物料(liao)干(gan)燥盤尺寸Φ200mm 供(gong)4層,可放置(zhi)物料(liao)約1200ml(物料(liao)厚度10mm)或(huo)放置(zhi)Φ22mm的(de)瓶子256支, | |
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T型(xing)架(jia)型(xing) | 不帶橡膠閥 | |
物料厚(hou)度不超(chao)10mm時 | 冷凍干燥時間一般(ban)在24小時左(zuo)右 | |
電源要求 | 220V/50Hz 1000W | |
主機尺寸 | 580*380*320mm | |
鐘(zhong)罩尺(chi)寸 | Φ260*440mm |
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