高(gao)溫(wen)噴(pen)霧(wu)幹燥機是(shi)壹(yi)種(zhong)可(ke)以同(tong)時(shi)完成幹燥和造(zao)粒的裝置。按(an)工藝(yi)要(yao)求(qiu)可(ke)以調(tiao)節(jie)料液泵(beng)的壓力、流量、噴(pen)孔(kong)的大(da)小,得(de)到(dao)所需的按(an)壹定(ding)大(da)小比(bi)例(li)的球形顆粒。用(yong)特(te)殊(shu)設備將(jiang)液料噴成(cheng)霧(wu)狀(zhuang),使其(qi)與(yu)熱(re)空氣接(jie)觸而(er)被(bei)幹燥。用(yong)於幹燥有(you)些(xie)熱敏(min)性的液體、懸浮(fu)液(ye)和(he)粘滯液體,如牛奶(nai)、蛋、單寧和(he)藥物(wu)等。也(ye)用(yong)於幹燥燃料、中間(jian)體、肥(fei)皂(zao)粉(fen)和無(wu)機鹽等。
高(gao)溫(wen)噴(pen)霧(wu)幹燥機主要(yao)適(shi)用(yong)於高(gao)校、研(yan)究(jiu)所和食(shi)品醫(yi)藥(yao)化(hua)工(gong)企(qi)業實(shi)驗(yan)室(shi)生產(chan)微(wei)量顆粒粉(fen)末,對所有(you)溶液如乳(ru)濁液、懸浮(fu)液(ye)具(ju)有(you)廣譜(pu)適(shi)用(yong)性,適(shi)用(yong)於對熱(re)敏感性(xing)物(wu)的幹燥如生(sheng)物(wu)制(zhi)品、生(sheng)物(wu)農(nong)藥(yao)、酶(mei)制(zhi)劑等,因所噴出的物(wu)料只(zhi)是(shi)在(zai)噴(pen)成(cheng)霧(wu)狀(zhuang)大(da)小顆粒時(shi)才(cai)受(shou)到(dao)高(gao)溫(wen),故只(zhi)是(shi)瞬(shun)間受(shou)熱,能(neng)保持(chi)這(zhe)些(xie)活性(xing)材料在幹燥後(hou)仍(reng)維(wei)持(chi)其(qi)活性成份(fen)不受(shou)破(po)壞(huai)。具有(you)良好(hao)的均勻度、流動(dong)性(xing)和溶解性(xing),產(chan)品純度高(gao),質量好(hao)。生產(chan)過程(cheng)簡化(hua),操(cao)作控(kong)制(zhi)方(fang)便。對於(yu)含濕量(liang)40-60%(特(te)殊(shu)物(wu)料可(ke)達90%)的液體能(neng)壹(yi)次(ci)幹燥成粉(fen)粒產(chan)品,幹燥後(hou)不(bu)需(xu)粉(fen)碎和(he)篩(shai)選(xuan),減(jian)少生(sheng)產(chan)工(gong)序(xu),提高(gao)產(chan)品純度。對產(chan)品粒(li)徑(jing),松密(mi)度,水份(fen),在壹(yi)定(ding)範圍(wei)內可(ke)通(tong)過改變操(cao)作條(tiao)件(jian)進(jin)行調(tiao)整(zheng),控制(zhi)和(he)管理都(dou)很(hen)方(fang)便。
高(gao)溫(wen)噴(pen)霧(wu)幹燥機在使(shi)用(yong)前應(ying)作(zuo)如下(xia)檢(jian)查:
1、檢(jian)查各個裝置的軸承(cheng)和(he)密封(feng)部(bu)分(fen)連(lian)接(jie)處有(you)無松(song)動(dong);
2、檢(jian)查各個機械部(bu)件(jian)的潤(run)滑油(you)狀(zhuang)況以及(ji)各(ge)個(ge)水、風、漿(jiang)管(guan)閥(fa)口等(deng)是(shi)否(fou)處於(yu)所需位置;
3、檢(jian)查管道(dao)連接(jie)處是(shi)否(fou)裝(zhuang)好(hao)密封(feng)材(cai)料,然後(hou)將(jiang)其(qi)連(lian)接(jie),以保證(zheng)不(bu)讓(rang)未(wei)經(jing)加熱的空氣進(jin)入幹燥室(shi);
4、檢(jian)查門和觀(guan)察(cha)窗孔是(shi)否(fou)關(guan)上與(yu)是(shi)否(fou)漏氣;
5、檢(jian)查離心(xin)風機運(yun)行的旋轉方向(xiang)是(shi)否(fou)正(zheng)確(que);
6、檢(jian)查離心(xin)風機出(chu)口(kou)處的調(tiao)節(jie)蝶閥(fa)是(shi)否(fou)打開(kai),不要(yao)把(ba)蝶閥(fa)關(guan)死(si),否(fou)則(ze)將(jiang)損(sun)壞(huai)電加熱器(qi)和進(jin)風管道(dao),這(zhe)壹(yi)點(dian)必(bi)須(xu)引起充分(fen)註(zhu)意;
7、檢(jian)查進(jin)料泵的連接(jie)管道(dao)是(shi)否(fou)接(jie)好(hao),電機(ji)與(yu)泵(beng)的旋轉方向(xiang)是(shi)否(fou)正(zheng)確(que);
8、檢(jian)查幹燥室(shi)頂部(bu)安(an)放(fang)噴(pen)霧(wu)頭處是(shi)否(fou)蓋(gai)好(hao),以免(mian)漏氣;
9、霧(wu)化(hua)器(qi)潤(run)滑油(you)冷卻管接(jie)頭是(shi)否(fou)接(jie)好(hao),冷卻(que)水(shui)是(shi)否(fou)開(kai)啟(qi)。
然(ran)後(hou),接(jie)通(tong)電源(yuan)檢(jian)查電壓(ya)和(he)儀(yi)表是(shi)否(fou)正(zheng)常(chang),檢(jian)查料漿(jiang)攪(jiao)拌(ban)桶(tong)內料漿(jiang)的量以及(ji)濃度等情況(kuang),若出(chu)現(xian)問(wen)題(ti)應(ying)及(ji)時(shi)排(pai)除。