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聚(ju)氨(an)酯(zhi)(zhi)噴(pen)(pen)(pen)涂(tu)設備(bei):噴(pen)(pen)(pen)涂(tu)型聚(ju)氨(an)酯(zhi)(zhi)包括用(yong)底(di)漆及(ji)合(he)(he)成(cheng)(cheng)樹脂(zhi)等(deng)直接噴(pen)(pen)(pen)涂(tu)及(ji)發泡聚(ju)氨(an)酯(zhi)(zhi)噴(pen)(pen)(pen)涂(tu)兩部分(fen)。用(yong)底(di)漆及(ji)合(he)(he)成(cheng)(cheng)樹脂(zhi),直接噴(pen)(pen)(pen)涂(tu)的(de)(de)主(zhu)要(yao)用(yong)于防腐耐磨、密(mi)封、保(bao)溫等(deng),特點在于耐磨性好、抗沖蝕磨損性優良、噴(pen)(pen)(pen)涂(tu)涂(tu)層(ceng)從(cong)25μ到數毫米(mi)可一次(ci)噴(pen)(pen)(pen)涂(tu)成(cheng)(cheng)型且不產生掛流現象。聚(ju)氨(an)酯(zhi)(zhi)噴(pen)(pen)(pen)涂(tu),為(wei)高壓聚(ju)氨(an)酯(zhi)(zhi)噴(pen)(pen)(pen)涂(tu)設備(bei)。因為(wei)高壓噴(pen)(pen)(pen)涂(tu)設備(bei)的(de)(de)物料在空間(jian)很小(xiao)的(de)(de)混(hun)合(he)(he)室內高速(su)撞擊并劇烈旋轉,混(hun)合(he)(he)非常充分(fen)。高速(su)運動的(de)(de)物料在噴(pen)(pen)(pen)槍口形成(cheng)(cheng)細霧狀液滴(di),均(jun)勻地噴(pen)(pen)(pen)射(she)到物件表面。
主(zhu)要有哪幾種?聚(ju)氨(an)酯(zhi)(zhi)(zhi)設備(bei)(bei)有噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)機、聚(ju)氨(an)酯(zhi)(zhi)(zhi)噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)設備(bei)(bei)、 聚(ju)氨(an)酯(zhi)(zhi)(zhi)高(gao)壓(ya)(ya)噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)機、發(fa)泡(pao)機、聚(ju)氨(an)酯(zhi)(zhi)(zhi)發(fa)泡(pao)機、聚(ju)氨(an)酯(zhi)(zhi)(zhi)高(gao)壓(ya)(ya)發(fa)泡(pao)機噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)機,是(shi)采(cai)用(yong)噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)技(ji)術的專用(yong)涂(tu)(tu)(tu)裝設備(bei)(bei),原理是(shi)控制氣流瞬(shun)間(jian)推(tui)動(dong)配氣換向裝置換向,從而使氣動(dong)馬達的活塞作穩定連續的往復運動(dong)。對吸入的涂(tu)(tu)(tu)料(liao)(liao)(liao)增壓(ya)(ya),經高(gao)壓(ya)(ya)軟管將涂(tu)(tu)(tu)料(liao)(liao)(liao)輸送(song)到噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)機的噴(pen)(pen)(pen)(pen)(pen)槍內(nei),由(you)噴(pen)(pen)(pen)(pen)(pen)槍將涂(tu)(tu)(tu)料(liao)(liao)(liao)瞬(shun)間(jian)霧化后釋放(fang)到被涂(tu)(tu)(tu)物體表(biao)面。噴(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)機主(zhu)要由(you)供(gong)料(liao)(liao)(liao)裝置、噴(pen)(pen)(pen)(pen)(pen)槍、霧化發(fa)生源構(gou)成。適用(yong)于皮具手袋(dai)、禮品包(bao)裝、家具、鞋業(ye)、汽(qi)車制造等行業(ye)中(zhong)。
生產(chan)區域分布格局將(jiang)(jiang)形成六大板(ban)塊:近年(nian)來(lai),由于(yu)聚(ju)氨(an)酯發泡機的優越(yue)性(xing)能(neng)(neng)以及節能(neng)(neng)環保的特性(xing),其(qi)應用規模不(bu)斷(duan)(duan)擴大,市場需求也將(jiang)(jiang)不(bu)斷(duan)(duan)增加,我(wo)國(guo)(guo)聚(ju)氨(an)酯產(chan)能(neng)(neng)不(bu)斷(duan)(duan)擴張,我(wo)國(guo)(guo)產(chan)量(liang)增長迅速,2017年(nian)中國(guo)(guo)聚(ju)氨(an)酯產(chan)量(liang)已經達到1189萬噸,維(wei)持著(zhu)7.28%的年(nian)復合增長率,產(chan)量(liang)僅位于(yu)三大合成材料(PP、PVC、PE)之后,而中國(guo)(guo)聚(ju)氨(an)酯的產(chan)能(neng)(neng)根據上游(you)最重要的兩(liang)個原料的產(chan)能(neng)(neng)情況(kuang)來(lai)看,2017年(nian)中國(guo)(guo)MDI的產(chan)能(neng)(neng)為343萬噸/年(nian),中國(guo)(guo)TDI的產(chan)能(neng)(neng)為84萬噸/年(nian)。前瞻預計,2018年(nian),我(wo)國(guo)(guo)聚(ju)氨(an)酯產(chan)品(pin)的產(chan)量(liang)將(jiang)(jiang)超過1300萬噸。
發泡機按照組份計量壓力及混合系統分為低壓發泡及高壓發泡兩大類。聚氨酯發泡機的發泡原理:不同組份原液,經準確配比和高速攪拌,由高精度計量泵,把各組分料液各自輸送到攪拌頭。經過高速強烈攪拌,使之料液均勻而噴出,形成所需產品。發泡機廠家手(shou)工(gong)發泡操(cao)作時按比例準(zhun)確稱量聚氨(an)酯(zhi)A、B組合(he)料(liao)同時倒入容器(qi)中,用(yong)(yong)2000轉/分(fen)鐘以上的(de)攪(jiao)拌器(qi)攪(jiao)拌8~10秒后,倒入模(mo)具中發泡脫模(mo)時間視產品要(yao)求(qiu)、泡沫厚(hou)度等情況具體而定。當皮膚接(jie)觸到組合(he)聚氨(an)酯(zhi)A料(liao)時應(ying)用(yong)(yong)肥皂和水(shui)進行沖(chong)(chong)(chong)洗(xi),聚氨(an)酯(zhi)發泡機(ji)操(cao)作聚氨(an)酯(zhi)B料(liao)時(有一定的(de)刺激(ji)性(xing))不要(yao)吸入其(qi)蒸汽及(ji)切勿濺(jian)到皮膚及(ji)眼睛上,如果(guo)濺(jian)到皮膚及(ji)眼睛時必須立即用(yong)(yong)醫用(yong)(yong)棉花先(xian)將其(qi)擦去,然后用(yong)(yong)大量水(shui)沖(chong)(chong)(chong)洗(xi)15分(fen)鐘,再用(yong)(yong)肥皂或酒精沖(chong)(chong)(chong)洗(xi)。
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