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tcPro"><section class="home-main container clearfix"><div id="gkwlipr" class="twoCol"><div id="mvnm8gi" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxhxp/">精細(xì)化學(xué)品</a>?<a href="http://www.cdcfah.com/cp/second-jxhxp_tlzjdy/">涂料助劑</a>?<a href="http://www.cdcfah.com/cp/third-tlzjdy_qttlzjrh/">其他涂料助劑</a>?江蘇低溫制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</p><div id="2v7rnzb" class="leftbox clearfix"><h1>江蘇低溫制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="8fzgaro" class="proBig"><div id="quwi2oq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401017190591160/1670216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hlifp8c" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401017190591160/1670216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7e2jldf" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇低溫制冷劑廠家,制冷劑</p><p><span>***更新：</span>2021-02-01 03:16:46</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="k32vyqy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冰仆冷暖設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐佳華</p><p><span>郵箱: </span>444054147@qq.com</p><p><span>電話: </span>13761656620</p><p><span>傳真: </span>1_1</p><p><span>網(wǎng)址: </span>https://www.shbpln.com</p><p><span>手機(jī): </span>1-1</p><p><span>地址: </span>美丹路222號(hào)629室</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="ca7m8mz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7shiaht" class="box"><p><p style="text-indent:25px">C02制冷劑：綠色環(huán)保天然工質(zhì)C02以其無毒，對(duì)臭氧層與影響，不產(chǎn)生溫室效應(yīng)和良好的熱力學(xué)性質(zhì)等優(yōu)點(diǎn)，再度受到人們的重視。此外，C02給臨界環(huán)境系統(tǒng)所具有的較高的排氣溫度和氣體冷卻器較大的溫度滑移。它在熱泵熱水器領(lǐng)域具有其他工質(zhì)無法比擬的優(yōu)勢(shì)。主要優(yōu)勢(shì)：①無毒，不可燃。具有很好的安全性。消耗臭氧潛能值ODP=0，全球變暖潛能值GWP=1，有著良好的的經(jīng)濟(jì)性，江蘇低溫制冷劑廠家，而不存在回收問題，具有環(huán)境友好性。②物理化學(xué)性能穩(wěn)定，江蘇低溫制冷劑廠家。與潤(rùn)滑油共溶性良好。粘度很低，這樣可以提高流速，江蘇低溫制冷劑廠家，壓降不會(huì)太大，改善傳熱，進(jìn)一步減小部件尺寸和系統(tǒng)重量。幾種制冷劑在空調(diào)中變得很普遍。江蘇低溫制冷劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇低溫制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017190591160/1670216.png"></div><p style="text-indent:25px">制冷劑選擇具體要求：?jiǎn)挝蝗莘e制冷量大?？梢詼p少壓縮機(jī)輸氣量。粘度和密度小。減少系統(tǒng)中流動(dòng)阻力損失。熱導(dǎo)率高?？梢蕴岣邠Q熱器的傳熱系數(shù)，減少換熱設(shè)備的傳熱面積降低材料消耗。不燃燒，不，無毒。對(duì)金屬材料不腐蝕，對(duì)潤(rùn)滑油不發(fā)生化學(xué)作用，高溫下不分解。等熵指數(shù)小?？山档团艢鉁囟?，減少壓縮過程耗功，有利安全運(yùn)行和提高使用壽命。凝固溫度低。避免在蒸發(fā)溫度下出現(xiàn)凝固。具有良好的絕緣性能。價(jià)格低易獲得。單位容積壓縮功小。目前，完全滿足要求的制冷劑還未發(fā)現(xiàn)。但選擇時(shí)，可以根據(jù)用途使用條件等加以各方面考量。如小型封閉壓縮機(jī)家用裝置，多選用氟制冷劑。大型工業(yè)制冷多選用氨，石油化工多選用碳?xì)浠衔?。江蘇低溫制冷劑廠家R134a對(duì)鋼、鐵、銅、鋁等金屬未發(fā)現(xiàn)有相互制冷劑化學(xué)反應(yīng)的現(xiàn)象，*對(duì)鋅有輕微的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇低溫制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016686343089/5551362.png"></div><p style="text-indent:25px">向制冷系統(tǒng)中加入氮?dú)?，然后用肥皂液檢漏。若有泄漏，泄漏處會(huì)出現(xiàn)肥皂泡。采用壓力檢漏時(shí)，嚴(yán)禁用壓縮空氣進(jìn)行檢漏，因?yàn)閴嚎s空氣中含有水分，水分隨空氣進(jìn)入后會(huì)在膨脹閥處產(chǎn)生冰堵。工業(yè)氮?dú)鉄o腐蝕性、無水分，且價(jià)格便宜，但瓶裝高壓氮?dú)庖欢ㄒ脺p壓表加注。加壓試漏時(shí)，首先應(yīng)正確連接歧管壓力計(jì)：高壓軟管接在排氣管道上(高壓側(cè))，低壓軟管接在吸氣管道上(低壓側(cè))。將軟管連接在壓縮機(jī)的高、低壓檢修閥上，打開高、低壓檢修閥，向系統(tǒng)中加入干燥氮?dú)馄鋲毫σ话銘?yīng)為1.5MPa左右。當(dāng)系統(tǒng)達(dá)到規(guī)定壓力后，用肥皂液涂在系統(tǒng)的各連接處和焊接處，仔細(xì)觀察有無泄漏。泄漏大的地方有微小聲音，并出現(xiàn)大泡沫，泄漏小的地方，則間斷出現(xiàn)小泡沫，所以檢漏必須仔細(xì)，并反復(fù)檢查3～5次，發(fā)現(xiàn)泄漏處應(yīng)作出記號(hào)并及時(shí)加以修復(fù)，然后再去試漏其他接頭處，直至泄漏徹底排除。修漏完畢，應(yīng)試漏，讓系統(tǒng)保壓24～48h，若壓力不降低，則試漏合格，倘若壓力有明顯降低，必須重新進(jìn)行檢漏，直到找出泄漏處并加以排除為止。</p><p style="text-indent:25px">液氨制冷劑透明無色，氨蒸氣無色，有強(qiáng)烈的刺激臭味。氨對(duì)人體有較大的毒性，當(dāng)氨液飛濺到皮膚上時(shí)會(huì)引起凍著。當(dāng)空氣中氨蒸氣的容積達(dá)到0.5-0.6%時(shí)可引起。故機(jī)房?jī)?nèi)空氣中氨的濃度不得超過0.02mg/L。氨在常溫下不易燃燒，加熱至350℃時(shí)，分解為氮和氫氣，氫氣與空氣中的氧氣混合后會(huì)發(fā)生。與空氣混合的體積分?jǐn)?shù)在11%-14%時(shí)即可燃燒。在16%-25%時(shí)遇明火可能。在0.5%-0.6%時(shí)，人在其中停留半小時(shí)就會(huì)中毒。氨極溶于水，0℃時(shí)每升水能溶解130升氨氣。一般規(guī)定液氨中含水量低于0.2%?；旌瞎卜兄评鋭?，目前尚不公開配方，用在復(fù)疊式制冷機(jī)中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇低溫制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017268794328/5056551.png"></div><p style="text-indent:25px">制冷劑充入量的準(zhǔn)確判斷方法：測(cè)重量。在充注氟利昂時(shí),事先準(zhǔn)備一個(gè)小臺(tái)秤，將制冷劑鋼瓶放入一個(gè)容器中，再在容器中注入40℃以下的冷水(適用于空調(diào)器的低壓充注制冷劑蒸汽)。充注前記下鋼瓶、溫水及容器的重量，在充注過程中注意觀察指針。當(dāng)鋼瓶?jī)?nèi)制冷劑的減少量等于所需要的充注量時(shí)可停止充注。測(cè)工作電流。用鉗型電流表測(cè)工作電流，制冷時(shí)，環(huán)境溫度35℃，所測(cè)得的工作電流與銘牌上電流相對(duì)應(yīng)。溫度越高，電流相應(yīng)增大，溫度越低電流相應(yīng)減少。在風(fēng)機(jī)正常、兩器散熱號(hào)的情況下按空調(diào)器工況測(cè)電流值作比較。制冷劑的主要技術(shù)指標(biāo)有飽和蒸氣壓強(qiáng)、比熱、粘度、導(dǎo)熱系數(shù)、表面張力等。江蘇低溫制冷劑廠家</p><p style="text-indent:25px">制冷劑是制冷機(jī)中完成熱力循環(huán)的工質(zhì)。江蘇低溫制冷劑廠家</p><p style="text-indent:25px">我國(guó)冷藏企業(yè)中，尤其是中小企業(yè)，許多未配備針對(duì)氨制冷劑的防護(hù)設(shè)備，缺乏有關(guān)制冷系統(tǒng)故障的應(yīng)急處理預(yù)案。冷庫安全問題必須引起企業(yè)和管理部門的高度重視。在國(guó)內(nèi)外大中型冷庫中，目前采用氨制冷劑是主流，今后氨仍然將是主要制冷劑。采用氨制冷劑關(guān)鍵是安全問題，應(yīng)該采取足夠的防護(hù)措施，保證操作人員安全和公共安全。根據(jù)國(guó)外**的評(píng)估，在蒸發(fā)溫度-35℃以上，壓縮式制冷采用氨制冷劑是較節(jié)能的。蒸發(fā)溫度在-35℃以下，采用CO2與氨復(fù)疊式制冷，不*可以降低初次投入、提高效率，而且較大減少了系統(tǒng)的充氨量、提高了食品冷加工企業(yè)的安全系數(shù)。江蘇低溫制冷劑廠家</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家銷售:制拎設(shè)備、化工產(chǎn)品(除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品)、儀器儀表、汽車配件，機(jī)械配件、五金電器、焊接工具。銷售:制拎設(shè)備、化工產(chǎn)品(除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品)、儀器儀表、汽車配件，機(jī)械配件、五金電器、焊接工具。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。冰仆冷暖設(shè)備深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售。冰仆冷暖設(shè)備繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。冰仆冷暖設(shè)備始終關(guān)注化工行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3103212.html</p></div></div></div></div></div><div id="exkczbd" class="page-right twoColRt"><div id="3ug82f2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dxj29lv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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