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聯系人:許先生
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的故障(zhang)排(pai)除(chu):發泡設備運行中(zhong)電(dian)(dian)箱內(nei)空氣(qi)開關或熱繼電(dian)(dian)器跳閘(zha)。電(dian)(dian)機(ji)或電(dian)(dian)箱內(nei)的接頭(tou)松動→檢(jian)查并(bing)(bing)上(shang)緊電(dian)(dian)線(xian)接頭(tou)。漿(jiang)(jiang)液(ye)太稠(chou),的攪(jiao)拌機(ji)負載→稀釋漿(jiang)(jiang)液(ye)并(bing)(bing)復位熱繼電(dian)(dian)器上(shang)“紅(hong)色”按鈕。電(dian)(dian)壓(ya)過低→檢(jian)查原因,提高電(dian)(dian)壓(ya)到規定值。高壓(ya)發泡機(ji)正常工作時,氣(qi)包上(shang)面減壓(ya)閥突然大(da)量排(pai)氣(qi)。減壓(ya)閥壞掉→檢(jian)查并(bing)(bing)更(geng)換減壓(ya)閥。攪(jiao)拌桶(tong)內(nei)漿(jiang)(jiang)液(ye)太稠(chou),導致(zhi)氣(qi)壓(ya)高出(chu)減壓(ya)閥承受能力→停機(ji)稀釋漿(jiang)(jiang)液(ye)。
聚氨酯發泡設備原料生產爆發期:進入21世紀,我國優質聚氨酯發泡設備行業原料(liao)生(sheng)產(chan)生(sheng)產(chan)水平不斷提(ti)高,2004年(nian),我國MDI年(nian)產(chan)能僅(jin)(jin)萬(wan)華化學(600309)20萬(wan)噸(dun),到2019年(nian),MDI產(chan)能增加至343萬(wan)噸(dun);預(yu)計到2018年(nian),我國MDI的(de)總生(sheng)產(chan)能力將(jiang)達(da)到375萬(wan)噸(dun)/年(nian),穩居世界前列。不僅(jin)(jin)MDI,聚氨酯(zhi)的(de)其他(ta)種類原料(liao)產(chan)量均(jun)有(you)較(jiao)快(kuai)的(de)增長。由此可(ke)見可(ke)見聚氨酯(zhi)原料(liao)產(chan)量增速之(zhi)快(kuai)。
認真了(le)解發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)質(zhi)量(liang):的(de)最終產(chan)(chan)(chan)(chan)品是泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo),而生(sheng)產(chan)(chan)(chan)(chan)過程(cheng)中我們所(suo)需(xu)要的(de)也是泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo),因此泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)質(zhi)量(liang)的(de)好壞是判定(ding)(ding)(ding)發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)機性(xing)(xing)能優劣的(de)準確標準。判定(ding)(ding)(ding)的(de)發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)質(zhi)量(liang),應(ying)以三個方面為主,即泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)細密性(xing)(xing)、泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)均(jun)(jun)勻(yun)性(xing)(xing)、泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)泌(mi)水(shui)量(liang)。泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)細密性(xing)(xing)指的(de)是泡(pao)(pao)(pao)(pao)(pao)(pao)徑的(de)大小,泡(pao)(pao)(pao)(pao)(pao)(pao)徑越(yue)小,泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)越(yue)細小綿密,泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)的(de)穩(wen)定(ding)(ding)(ding)性(xing)(xing)就越(yue)好,生(sheng)產(chan)(chan)(chan)(chan)出的(de)產(chan)(chan)(chan)(chan)品強度越(yue)高(gao),保溫性(xing)(xing)能越(yue)好。泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)均(jun)(jun)勻(yun)性(xing)(xing)指的(de)是泡(pao)(pao)(pao)(pao)(pao)(pao)徑大小應(ying)均(jun)(jun)勻(yun)一致,泡(pao)(pao)(pao)(pao)(pao)(pao)徑大小越(yue)均(jun)(jun)勻(yun),分布范圍(wei)越(yue)窄,產(chan)(chan)(chan)(chan)品所(suo)受應(ying)力越(yue)均(jun)(jun)勻(yun),使用效(xiao)果越(yue)好。泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)泌(mi)水(shui)量(liang)指的(de)是泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)破裂后所(suo)產(chan)(chan)(chan)(chan)生(sheng)的(de)發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)劑水(shui)溶液的(de)量(liang),泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)泌(mi)水(shui)量(liang)越(yue)低,泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)含(han)水(shui)量(liang)就越(yue)低,說明發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)機的(de)發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)性(xing)(xing)能越(yue)好。發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)機在上述三方面能否(fou)達到要求,應(ying)通過試機來確認核定(ding)(ding)(ding)。在選擇發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)機時,要求發(fa)(fa)泡(pao)(pao)(pao)(pao)(pao)(pao)機發(fa)(fa)出的(de)泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo)必須(xu)是泡(pao)(pao)(pao)(pao)(pao)(pao)多水(shui)少的(de)海綿狀(zhuang)細小泡(pao)(pao)(pao)(pao)(pao)(pao)沫(mo)(mo)(mo),且均(jun)(jun)勻(yun)細膩(ni)。
行業(ye)快(kuai)速發(fa)展期(qi):90年(nian)代(dai)后,武漢輕工業(ye)機械廠引進(jin)德(de)國BASF集團Elastogran公司(si)的(de)聚氨酯高壓發(fa)泡設(she)(she)(she)備(bei)技術,采取許(xu)可證方式,生(sheng)產(chan)(chan)(chan)(chan)各(ge)(ge)類及成(cheng)套生(sheng)產(chan)(chan)(chan)(chan)線(xian),從而結束了我國此類設(she)(she)(she)備(bei)長期(qi)依靠進(jin)口的(de)歷(li)史。至此聚氨酯行業(ye)從簡單箱式發(fa)泡迅速發(fa)展到(dao)(dao)用自(zi)動(dong)化生(sheng)產(chan)(chan)(chan)(chan)線(xian)生(sheng)產(chan)(chan)(chan)(chan)各(ge)(ge)種軟質(zhi)、硬質(zhi)泡沫(mo)制(zhi)(zhi)品。此時全國從事聚氨酯原料(liao)、制(zhi)(zhi)品生(sheng)產(chan)(chan)(chan)(chan)、設(she)(she)(she)備(bei)制(zhi)(zhi)造、科(ke)研(yan)開發(fa)的(de)單位增加到(dao)(dao)2000多家,到(dao)(dao)2000年(nian)年(nian)產(chan)(chan)(chan)(chan)原料(liao)達100萬噸(dun)以上(shang),聚氨酯各(ge)(ge)類設(she)(she)(she)備(bei)和生(sheng)產(chan)(chan)(chan)(chan)線(xian)達6000多臺套。
每天(tian)必(bi)須對機(ji)頭(tou)做一次(ci)保養:1.拆(chai)(chai)除(chu)(chu)(chu)兩側氣缸清(qing)(qing)(qing)(qing)(qing)理(li)(li)干(gan)凈、上油。2.清(qing)(qing)(qing)(qing)(qing)洗攪(jiao)(jiao)(jiao)拌(ban)(ban)轉子(zi)(zi)。3.清(qing)(qing)(qing)(qing)(qing)除(chu)(chu)(chu)轉子(zi)(zi)與銅(tong)螺(luo)絲上的(de)(de)凝(ning)固物(wu)。4.連軸(zhou)器噴除(chu)(chu)(chu)銹劑。5.機(ji)頭(tou)上加黃油。每次(ci)使用(yong)(yong)(yong)后超1小(xiao)時不用(yong)(yong)(yong)的(de)(de),需拆(chai)(chai)除(chu)(chu)(chu)攪(jiao)(jiao)(jiao)拌(ban)(ban)外套,清(qing)(qing)(qing)(qing)(qing)潔攪(jiao)(jiao)(jiao)拌(ban)(ban)轉子(zi)(zi)上方軸(zhou)銅(tong)螺(luo)絲上殘留的(de)(de)發(fa)泡凝(ning)固物(wu),并(bing)(bing)噴除(chu)(chu)(chu)銹劑。發(fa)泡機(ji)超過2天(tian)不使用(yong)(yong)(yong)的(de)(de),需拆(chai)(chai)除(chu)(chu)(chu)攪(jiao)(jiao)(jiao)拌(ban)(ban)頭(tou)并(bing)(bing)拆(chai)(chai)除(chu)(chu)(chu)內(nei)六角清(qing)(qing)(qing)(qing)(qing)理(li)(li)內(nei)部(bu)(bu)殘渣,后噴除(chu)(chu)(chu)銹劑。攪(jiao)(jiao)(jiao)拌(ban)(ban)轉子(zi)(zi)用(yong)(yong)(yong)鋼(gang)絲刷(shua)清(qing)(qing)(qing)(qing)(qing)理(li)(li)干(gan)凈,機(ji)頭(tou)兩側全缸拆(chai)(chai)除(chu)(chu)(chu)清(qing)(qing)(qing)(qing)(qing)理(li)(li)內(nei)部(bu)(bu)污(wu)物(wu),并(bing)(bing)噴除(chu)(chu)(chu)銹劑。檢(jian)查所使用(yong)(yong)(yong)設(she)備是否(fou)(fou)正常,拆(chai)(chai)除(chu)(chu)(chu)攪(jiao)(jiao)(jiao)拌(ban)(ban)轉子(zi)(zi),檢(jian)查攪(jiao)(jiao)(jiao)拌(ban)(ban)電(dian)機(ji)是否(fou)(fou)工(gong)作;旋轉是否(fou)(fou)遲(chi)緩,有(you)無(wu)噪聲、發(fa)熱、反轉等現象,檢(jian)查各管路是否(fou)(fou)暢(chang)通,有(you)無(wu)凝(ning)固物(wu)堵(du)塞,必(bi)要時用(yong)(yong)(yong)清(qing)(qing)(qing)(qing)(qing)洗劑清(qing)(qing)(qing)(qing)(qing)洗并(bing)(bing)吹干(gan)。
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