江蘇精明機械---蒸紗機特點詳細介紹
(1)在(zai)蒸(zheng)紗(sha)機(ji)內(nei)部(bu)設(she)置(zhi)蒸(zheng)汽(qi)發(fa)生(sheng)裝(zhuang)置(zhi),真(zhen)空(kong)狀(zhuang)態(tai)下(xia),根(gen)據(ju)工(gong)藝(yi)要(yao)求(qiu)產(chan)生(sheng)飽(bao)和(he)蒸(zheng)汽(qi),這(zhe)種(zhong)蒸(zheng)汽(qi)稱(cheng)之(zhi)為(wei)低(di)壓(ya)間(jian)接(jie)飽(bao)和(he)蒸(zheng)汽(qi),低(di)壓(ya)間(jian)接(jie)飽(bao)和(he)蒸(zheng)汽(qi)適(shi)用(yong)於(yu)紙(zhi)管(guan)汽(qi)蒸(zheng),不(bu)會(hui)使(shi)紙(zhi)管(guan)過(guo)度(du)受(shou)潮(chao)變(bian)形(xing),汙(wu)染(ran)產(chan)品(pin); (2)運yun用yong可ke編bian程cheng控kong製zhi器qi,對dui各ge種zhong工gong藝yi參can數shu進jin行xing精jing確que的de過guo程cheng控kong製zhi,避bi免mian出chu現xian批pi次ci差cha異yi。特te別bie是shi可ke編bian程cheng控kong製zhi器qi可ke對dui飽bao和he溫wen度du實shi現xian精jing準zhun控kong製zhi,防fang止zhi過guo熱re蒸zheng汽qi出chu現xian,避bi免mian了le黃huang白bai紗sha現xian象xiang的de發fa生sheng; (3)設置了頂部引流板,防止對產品的表麵汙染;對間接蒸汽的流動過程進行了引導控製,避免了層差和區域差異; (4)將蒸汽發生裝置進行了優化設計,電加熱的能耗大大降低;對冷凝水回收,工藝用水量明顯降低,對整機節能起到了推波助瀾的作用。 2 汽蒸機的功用和適用範圍 我國目前棉紡織業汽蒸機使用最多的是用來定形定撚,調整回潮;針織行業用來定形。而汽蒸機在國外的紡織、針織、印染、服裝、製線、工藝品等行業被廣泛使用。筆者與巴基斯坦、土耳其、印yin度du等deng紡fang織zhi企qi業ye的de有you關guan人ren士shi接jie觸chu過guo程cheng中zhong了le解jie到dao,他ta們men對dui汽qi蒸zheng機ji的de使shi用yong非fei常chang重zhong視shi,特te別bie值zhi得de關guan注zhu的de是shi,國guo外wai在zai新xin廠chang設she計ji時shi,汽qi蒸zheng機ji作zuo為wei必bi不bu可ke少shao的de配pei套tao輔fu機ji,被bei納na入ru工gong藝yi設she備bei體ti係xi之zhi中zhong。而er中zhong國guo作zuo為wei世shi界jie上shang最zui大da的de紡fang織zhi大da國guo,汽qi蒸zheng機ji卻que不bu被bei重zhong視shi。隻zhi有you大da型xing有you規gui模mo的de企qi業ye,才cai配pei備bei汽qi蒸zheng機ji這zhe類lei設she備bei,用yong來lai對dui紗sha線xian做zuo定ding形xing定ding撚nian處chu理li,而er對dui汽qi蒸zheng機ji的de其qi他ta功gong效xiao卻que沒mei有you進jin一yi步bu的de研yan究jiu開kai發fa利li用yong。 當(dang)今(jin)畢(bi)竟(jing)是(shi)信(xin)息(xi)化(hua)時(shi)代(dai),國(guo)內(nei)有(you)部(bu)分(fen)紡(fang)織(zhi)企(qi)業(ye)也(ye)逐(zhu)步(bu)重(zhong)視(shi)汽(qi)蒸(zheng)機(ji)的(de)作(zuo)用(yong)。筆(bi)者(zhe)走(zou)訪(fang)了(le)國(guo)內(nei)二(er)十(shi)多(duo)個(ge)汽(qi)蒸(zheng)機(ji)使(shi)用(yong)企(qi)業(ye),根(gen)據(ju)各(ge)自(zi)不(bu)同(tong)的(de)使(shi)用(yong)情(qing)況(kuang),將(jiang)其(qi)功(gong)效(xiao)做(zuo)以(yi)總(zong)結(jie)。 (1)棉紡織行業用於調整紗線回潮,提高紗線的濕強,進一步提高紗線在後加工過程中的效率。經過汽蒸機處理的紗線,回潮率能提高到8.5%左zuo右you,斷duan裂lie強qiang力li和he斷duan裂lie功gong均jun有you大da幅fu度du的de提ti高gao,對dui後hou工gong序xu的de加jia工gong很hen有you好hao處chu。對dui管guan紗sha汽qi蒸zheng處chu理li後hou,可ke提ti高gao棉mian紗sha在zai絡luo筒tong及ji並bing撚nian加jia工gong的de效xiao率lv,減jian少shao毛mao羽yu的de產chan生sheng;對筒紗經汽蒸處理可提高整經加工效率,減少倒、並、絞的疵點影響;由於紗線的回潮一致性好,在漿紗過程中上漿率穩定,織造中的效率能夠提高,且布麵風格較好; (2)針(zhen)織(zhi)行(xing)業(ye)紗(sha)線(xian)經(jing)汽(qi)蒸(zheng)處(chu)理(li),對(dui)針(zhen)織(zhi)品(pin)的(de)加(jia)工(gong)過(guo)程(cheng)及(ji)成(cheng)品(pin)質(zhi)量(liang)有(you)相(xiang)當(dang)大(da)的(de)改(gai)善(shan)。由(you)於(yu)紗(sha)線(xian)定(ding)撚(nian)定(ding)形(xing),起(qi)毛(mao)起(qi)圈(quan)的(de)高(gao)度(du)一(yi)致(zhi),退(tui)繞(rao)張(zhang)力(li)減(jian)小(xiao),組(zu)織(zhi)均(jun)勻(yun)尺(chi)寸(cun)穩(wen)定(ding),布(bu)麵(mian)清(qing)晰(xi)。特(te)別(bie)是(shi)無(wu)縫(feng)內(nei)衣(yi)的(de)定(ding)形(xing),是(shi)必(bi)不(bu)可(ke)少(shao)的(de)加(jia)工(gong)工(gong)序(xu)。汽(qi)蒸(zheng)處(chu)理(li),不(bu)但(dan)穩(wen)定(ding)了(le)紗(sha)線(xian)的(de)撚(nian)度(du),而(er)且(qie)對(dui)紗(sha)線(xian)進(jin)行(xing)了(le)充(chong)分(fen)地(di)鬆(song)弛(chi),降(jiang)低(di)了(le)製(zhi)成(cheng)品(pin)的(de)縮(suo)率(lv); (3)印染行業對匹布汽蒸處理,使坯布在加工中的應力消除,進而使吸色性均勻,布麵顏色鮮亮,色澤均勻; (4)製衣行業將麵料汽蒸處理,使麵料尺寸穩定,減少成衣縮率,增加懸垂挺括感; (5)工藝品行業,對加工產品用的紗線、布匹經過汽蒸處理,特別是化纖原料,進行鬆弛定形,對製成品的質量和觀賞性都有明顯的提高。 3 汽蒸機在運行中的要點 如ru前qian所suo述shu,汽qi蒸zheng機ji在zai我wo國guo使shi用yong已yi有you相xiang當dang長chang的de曆li史shi,但dan作zuo為wei一yi種zhong設she備bei,它ta在zai運yun行xing中zhong的de工gong藝yi規gui律lv卻que很hen少shao有you人ren去qu研yan究jiu,也ye很hen少shao在zai學xue術shu刊kan物wu上shang見jian到dao類lei似si文wen章zhang。筆bi者zhe對dui汽qi蒸zheng機ji進jin行xing了le部bu分fen試shi驗yan,積ji累lei了le點dian滴di經jing驗yan,以yi供gong行xing業ye人ren士shi分fen析xi參can考kao。 (1)qizhengjisuinengzengjiashaxiandeshiqiang,danbixujiehesuojiagongshaxianzhishuheshaxiandexianweizhonglei,erzhidingbutongdeqizhenggongyi。shaxiandezhishujiaodi,yuanmiandepinjidi,neibudeduanronghanlianggao,ruozhenkongduguogao,shideshaxianguodusongchi,jinguanhuichaolvtigao,danshi,shaxianneibuxianweidebaohelixiajiang,fanerhuishishaxianqianglixiajiang。21zhiyixiadechunmianshaxian,zhenkongduxiaoyixie,qizhengchulidewendudiyidian,shengwenhehengwenshijianshaochangyidian。dimianhunfanghechundilunshaxian,yijijingshushaxian,zhenkongduyaoqiugao,qizhengwendujiaogao,shengwenhehengwenshijianyaoshijutinianduerding,zuidabuchaoguoqishifenzhong; (2)紗線在汽蒸過程中,對溫度的控製一定要根據紗線中纖維的種類,分別製定溫度指標。根據資料顯示,棉纖維在100℃下,經過20天的處理,剩餘強度隻有92%,而滌綸纖維在同樣條件下,剩餘強度則為100%。不同種類的纖維,它們的玻璃化溫度、流動溫度、熔融與分解等熱學指標都存在著較大的差異。棉纖維,汽蒸處理的最高溫度不要超過85℃,純滌綸纖維的汽蒸溫度可以達到140℃。否則對紗線的斷裂應力和色澤,會產生很大的負麵影響; (3)汽蒸處理對紗線的條幹等指標沒有改善,但是也不會使這些指標惡化。剛出汽蒸機的紗線,用電容式條幹儀檢測,其條幹cv值和棉結指標急劇上升,但在存紗間放置24小xiao時shi後hou,再zai上shang條tiao幹gan儀yi檢jian測ce,一yi切qie指zhi標biao又you回hui複fu原yuan樣yang。經jing過guo汽qi蒸zheng處chu理li的de紗sha線xian,一yi部bu分fen水shui分fen進jin入ru紗sha線xian內nei部bu,形xing成cheng比bi較jiao穩wen定ding的de結jie晶jing水shui,另ling一yi部bu分fen附fu著zhe在zai紗sha線xian外wai表biao,形xing成cheng不bu穩wen定ding的de表biao麵mian水shui。表biao麵mian水shui逐zhu層ceng逐zhu段duan不bu一yi致zhi,導dao致zhi介jie電dian係xi數shu差cha異yi,使shi條tiao幹gan儀yi給gei出chu錯cuo誤wu信xin號hao; (4)由於棉纖維的吸濕滯後行決定,汽蒸處理過的紗線,剛出汽蒸機的產品,最好在存紗間放置30分鍾後再包裝或使用。有充分的時間讓不穩定的表麵水分蒸發,使回潮內外均勻一致; (5)經過汽蒸處理的紗線和沒有處理過的紗線絕對不能混用,否則會在染色後出現明顯的條影。針織品尤為突出。 4 結束語 從(cong)蒸(zheng)紗(sha)鍋(guo)到(dao)汽(qi)蒸(zheng)機(ji),無(wu)論(lun)從(cong)名(ming)稱(cheng)上(shang)還(hai)是(shi)技(ji)術(shu)上(shang)都(dou)發(fa)生(sheng)了(le)很(hen)大(da)的(de)變(bian)化(hua),從(cong)國(guo)內(nei)到(dao)國(guo)外(wai)這(zhe)種(zhong)設(she)備(bei)都(dou)有(you)製(zhi)造(zao)。用(yong)於(yu)不(bu)同(tong)的(de)行(xing)業(ye)有(you)不(bu)同(tong)的(de)用(yong)途(tu),各(ge)方(fang)麵(mian)的(de)人(ren)士(shi)也(ye)是(shi)仁(ren)者(zhe)見(jian)仁(ren)智(zhi)者(zhe)見(jian)智(zhi),特(te)別(bie)要(yao)強(qiang)調(tiao),同(tong)樣(yang)一(yi)台(tai)汽(qi)蒸(zheng)機(ji)安(an)置(zhi)在(zai)不(bu)同(tong)的(de)地(di)區(qu),汽(qi)蒸(zheng)處(chu)理(li)同(tong)樣(yang)的(de)產(chan)品(pin),所(suo)采(cai)用(yong)的(de)工(gong)藝(yi)參(can)數(shu)不(bu)同(tong),因(yin)為(wei)各(ge)地(di)的(de)大(da)氣(qi)壓(ya)不(bu)同(tong);同(tong)一(yi)台(tai)設(she)備(bei)處(chu)理(li)不(bu)同(tong)的(de)品(pin)種(zhong),所(suo)用(yong)的(de)工(gong)藝(yi)也(ye)差(cha)異(yi)較(jiao)大(da)。總(zong)之(zhi),要(yao)取(qu)得(de)有(you)意(yi)義(yi)的(de)收(shou)效(xiao)仍(reng)需(xu)要(yao)進(jin)行(xing)大(da)量(liang)的(de)研(yan)究(jiu)和(he)探(tan)索(suo)。以(yi)上(shang)僅(jin)是(shi)本(ben)人(ren)對(dui)汽(qi)蒸(zheng)設(she)備(bei)的(de)一(yi)點(dian)粗(cu)淺(qian)體(ti)會(hui)。而(er)通(tong)過(guo)更(geng)多(duo)的(de)業(ye)界(jie)人(ren)士(shi)不(bu)斷(duan)地(di)努(nu)力(li),汽(qi)蒸(zheng)設(she)備(bei)在(zai)行(xing)業(ye)中(zhong)發(fa)揮(hui)作(zuo)用(yong),該(gai)設(she)備(bei)才(cai)能(neng)真(zhen)正(zheng)為(wei)紡(fang)織(zhi)服(fu)裝(zhuang)業(ye)做(zuo)出(chu)應(ying)有(you)的(de)貢(gong)獻(xian)。
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