重慶冷凍庫施工多少錢誠信互利成都成英科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="風(fēng)力噴涂作業(yè)時(shí)，要求風(fēng)速在5m/s以下。風(fēng)速超過5m/s，將吹失反應(yīng)產(chǎn)生的熱量，影響聚氨酯泡沫的快速發(fā)泡反應(yīng)，使產(chǎn)品表面變脆。同時(shí)，由于噴涂發(fā)泡機(jī)將原料混合后，以霧化狀態(tài)噴出，重慶冷凍庫施工多少錢，如風(fēng)速過大，將會(huì)吹走霧化顆粒，增加原料損耗"><meta name="keywords" content="重慶冷凍庫施工多少錢,冷凍庫施工"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="t77fj5n" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/cdcykj/637281768491787109/289378.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7jzpvbp" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>重慶冷凍庫施工多少錢,冷凍庫施工</p><p><span>***更新：</span>2021-01-17 00:17:02</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="htrpnjr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都成英科技有限公司</a></p><p><span>聯(lián)系人：</span>何英</p><p><span>郵箱: </span>cykj789@sina.com</p><p><span>電話: </span>13558781838</p><p><span>傳真: </span>135_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>135-58781838</p><p><span>地址: </span>龍橋鎮(zhèn)山水村3組201號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zfvbr9z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="9trp9ld" class="box"><p><p> 風(fēng)力 </p> <p> 噴涂作業(yè)時(shí)，要求風(fēng)速在5m/s以下。風(fēng)速超過5m/s，將吹失反應(yīng)產(chǎn)生的熱量，影響聚氨酯泡沫的快速發(fā)泡反應(yīng)，使產(chǎn)品表面變脆。同時(shí)，由于噴涂發(fā)泡機(jī)將原料混合后，以霧化狀態(tài)噴出，重慶冷凍庫施工多少錢，如風(fēng)速過大，將會(huì)吹走霧化顆粒，增加原料損耗，污染環(huán)境。 </p> <p> <p> 環(huán)境溫度 </p> <p> 聚氨酯發(fā)泡受溫度的影響很大。發(fā)泡依靠熱量而進(jìn)行，如果沒有熱量，體系中的發(fā)泡劑就無法蒸發(fā)，從而無法生成泡沫塑料。熱量來自化學(xué)反應(yīng)產(chǎn)生和環(huán)境提供兩個(gè)方面。化學(xué)反應(yīng)熱不受外界因素的影響，環(huán)境提供的熱量則隨環(huán)境溫度的變化而變化。當(dāng)環(huán)境溫度高時(shí)，環(huán)境能給反應(yīng)體系提供熱量，可增加反應(yīng)速度，縮短反應(yīng)時(shí)間。表現(xiàn)為泡沫發(fā)泡充分，泡沫表層和芯部密度接近。當(dāng)環(huán)境溫度低（如18℃以下），部分反應(yīng)熱就會(huì)散發(fā)到環(huán)境中。熱量的損失，一方面造成泡沫熟化期延長(zhǎng)，重慶冷凍庫施工多少錢，增大了泡沫成型收縮率（溫度越低，成型收縮率越高）；另一方面增加了泡沫材料的用量。實(shí)驗(yàn)表明：同一發(fā)泡材料，重慶冷凍庫施工多少錢，環(huán)境溫度15℃時(shí)的發(fā)泡體積比25℃時(shí)的發(fā)泡體積小25%，從而提高了泡沫的生產(chǎn)成本。 </p> .有利于室溫保持穩(wěn)定.重慶冷凍庫施工多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶冷凍庫施工多少錢,冷凍庫施工" src="https://tyunfile.71360.com/UploadFile/cdcykj/637281768491787109/289378.png"></div><p> 外墻內(nèi)保溫外墻內(nèi)保溫是將保溫材料置于外墻體的內(nèi)側(cè)，其優(yōu)點(diǎn)是：對(duì)保溫材料的耐水、耐侯性等要求不高，對(duì)既有建筑節(jié)能改造特別是目前房屋賣給個(gè)人，對(duì)整棟樓或整個(gè)小區(qū)統(tǒng)一改造有團(tuán)難，對(duì)單一住戶采用內(nèi)保溫要方便一些?？蓾M足建筑節(jié)能30%的***階段要求。但外墻內(nèi)保溫暴露了一些缺點(diǎn)，使外墻內(nèi)保溫的應(yīng)用受到限制。外墻內(nèi)保溫飾面層易開裂，圈梁、構(gòu)造柱引起熱橋熱損失大，造成結(jié)露霉變現(xiàn)象。不便于用戶二次裝修，占用室內(nèi)空間。隨著我國(guó)建筑節(jié)能第二階段50%及第三階段65%的外墻保溫要求的進(jìn)一步提高，特別是既有建筑節(jié)能改造提到日程后，外墻內(nèi)保溫受到限制。外墻夾芯保溫：外墻夾芯保溫是將保溫材料置于同一外墻的內(nèi)外側(cè)葉墻片之間。其優(yōu)點(diǎn)是對(duì)保溫絕熱材料的性能、施工季節(jié)及施工條件要求不高,不影響冬季施工。缺點(diǎn)是內(nèi)外葉墻之間要有連接件，構(gòu)造比較復(fù)雜，**護(hù)結(jié)構(gòu)熱橋多，保溫材料的效率發(fā)揮不夠。自貢物流冷凍庫施工材料廠家基層墻體溫度對(duì)聚氨酯的發(fā)泡效率也有很大的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶冷凍庫施工多少錢,冷凍庫施工" src="https://tyunfile.71360.com/UploadFile/cdcykj/637281768151103515/1553069.png"></div><p> 外墻外保溫與外墻內(nèi)保溫及夾芯保溫相比較具有七大優(yōu)勢(shì)： </p> <p> a.保護(hù)主體結(jié)構(gòu),延長(zhǎng)建筑物壽命 </p> <p> 由于保溫層置于建筑物圍護(hù)結(jié)構(gòu)外側(cè),緩沖了因溫度變化尋致的結(jié)構(gòu)變形產(chǎn)生的應(yīng)力,避免了雨、雪、凍融、干濕循環(huán)造成的結(jié)構(gòu)破壞,減少了空氣中有害氣體和紫外線對(duì)圍護(hù)結(jié)構(gòu)的侵蝕,外保溫能有效提高外墻結(jié)構(gòu)的使用壽命,減少了長(zhǎng)期維修的費(fèi)用。 </p> <p> b.基本消除了“熱橋”的影響 </p> <p> “熱橋”是指在內(nèi)外墻交界處、構(gòu)造柱、框架梁、門窗洞口等部位形成的散熱渠道。 </p> <p> c.墻體潮濕情況得以改善,無需設(shè)置隔汽層 </p> <p> 內(nèi)保溫需設(shè)置隔汽層,而采用外保溫時(shí),由于滲透性高的主體結(jié)構(gòu)處于保溫層的內(nèi)側(cè),主墻體內(nèi)一般不會(huì)發(fā)生冷凝現(xiàn)象,故無需設(shè)置隔汽層。采取外保溫措施后,結(jié)構(gòu)層的整個(gè)墻體溫度提高了,相對(duì)降低了墻體含濕量,從而改善了墻體的保溫性能。 </p> <p> d.有利于室溫保持穩(wěn)定 </p> <p> 外保溫墻體由于蓄熱能力較大的結(jié)構(gòu)層在墻體內(nèi)側(cè),當(dāng)室內(nèi)空氣溫度上升或下降時(shí)由于墻體結(jié)構(gòu)層能夠吸收及釋放熱量有利于室內(nèi)溫度穩(wěn)定。 </p> <p> e.便于既有建筑的節(jié)能改造 </p> <p> 對(duì)舊建筑進(jìn)行外墻外保溫節(jié)能改造時(shí),無需臨時(shí)搬遷,基本不干擾居民用戶的室內(nèi)正常生活,也便于豐富美化外飾面。 </p> <p> f.二次裝修時(shí)不破壞保溫層 </p> <p> g.增加住房使用面積 </p><p style="text-indent:25px">傳統(tǒng)的隔熱保溫材料已很難滿足生產(chǎn)使用的要求，隨著工業(yè)技術(shù)的不斷發(fā)展，耐高溫隔熱保溫涂料應(yīng)運(yùn)而生。耐高溫隔熱保溫涂料必備性能條件如下：1、耐溫高：耐高溫隔熱保溫涂料必須耐溫達(dá)到600℃以上，或是采用北京志盛威華化工公司特有的無機(jī)高溫溶液，耐溫可以達(dá)到1800℃。2、低導(dǎo)熱：耐高溫隔熱保溫涂料熱導(dǎo)系數(shù)不能高于0.06W/m.K。ZS-1耐高溫隔熱保溫涂料熱導(dǎo)系數(shù)只有0.03W/m.K，是傳統(tǒng)隔熱保溫材料的導(dǎo)熱系數(shù)低十倍，隔熱保溫***效率可達(dá)90%左右。ZS-1耐高溫隔熱保溫涂料在1100℃的物體表面涂上8mm厚涂料，物體表面的溫度就能從1100℃降低到100℃以內(nèi)。聚氨酯白料、黑料在貯存運(yùn)輸中應(yīng)有防曬措施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶冷凍庫施工多少錢,冷凍庫施工" src="https://tyunfile.71360.com/UploadFile/cdcykj/637281767295253906/5689942.png"></div><p> 系統(tǒng)構(gòu)造 </p> <p> 現(xiàn)場(chǎng)噴涂聚氨酯硬泡外墻外保溫系統(tǒng),根據(jù)飾面層作法的不同,可分為涂料飾面系統(tǒng)及面磚飾面系統(tǒng)兩種。 </p> <p> 其基本構(gòu)造為：聚氨酯防潮底漆，噴涂聚氨酯硬泡保溫層，界面砂漿層，抗裂聚合物砂漿復(fù)合耐堿玻纖網(wǎng)格布防護(hù)層，刮涂抗裂柔性膩?zhàn)樱克椕嫱苛?對(duì)于涂料飾面系統(tǒng))。或抗裂聚合物砂漿復(fù)合熱鍍鋅電焊網(wǎng)，膨脹錨栓固定抗裂防護(hù)層，面磚飾面層(對(duì)于面磚飾面系統(tǒng))。 </p> <p> 施工要點(diǎn)及注意事項(xiàng) </p> <p> 噴涂聚氨酯硬泡外墻外保溫應(yīng)是完全有效地保溫系統(tǒng)，熱橋部位，諸如，門窗洞口、飄窗、女兒墻、挑檐、陽臺(tái)等部位應(yīng)加強(qiáng)保溫，不易噴涂聚氨酯硬泡的部位應(yīng)抹保溫砂漿或粘貼聚氨酯塊材，在聚氨酯硬泡噴涂施工前完成。聚氨酯泡沫的形成需經(jīng)歷發(fā)泡和熟化兩個(gè)階段。自貢物流冷凍庫施工材料廠家</p><p style="text-indent:25px">均勻覆蓋不能有漏噴或漏刷，在噴完聚氨酯界面砂漿12-24h后，在進(jìn)行下道工序的施工。重慶冷凍庫施工多少錢</p><p> 聚氨酯硬質(zhì)泡沫在建筑外墻外保溫領(lǐng)域的應(yīng)用技術(shù)研究于10年前才開始起步。目前，其應(yīng)用除屋面保溫隔熱防水之外，還有冷庫、大中型化工設(shè)施、糧庫等方面。由于我國(guó)建筑節(jié)能事業(yè)的迅猛發(fā)展，預(yù)計(jì)用于建筑保溫隔熱的硬泡聚氨酯材料市場(chǎng)將會(huì)呈現(xiàn)跨越式的發(fā)展。 </p> <p> 1硬泡聚氨酯噴涂施工關(guān)鍵技術(shù) </p> <p> 硬泡聚氨酯噴涂技術(shù)較難掌握，易產(chǎn)生噴涂的聚氨酯泡孔不均勻等問題。應(yīng)加強(qiáng)噴涂施工人員的培訓(xùn)工作，使其熟練掌握噴涂技術(shù)，能夠**解決噴涂施工中遇到的技術(shù)問題。噴涂施工中需要解決的關(guān)鍵技術(shù)問題主要有幾個(gè)方面。 </p> <p> 1.1乳白時(shí)間和霧化效果的控制 </p> <p> 聚氨酯泡沫的形成需經(jīng)歷發(fā)泡和熟化兩個(gè)階段。重慶冷凍庫施工多少錢</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2875145.html</p></div></div></div></div></div><div id="7zx7rfl" class="page-right twoColRt"><div id="db99pdb" class="box01 margin10 clearfix"><h3><a 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