上?；旌瞎べ|(zhì)制冷劑報價上海冰仆冷暖設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="R-404A制冷劑物化特性：R404A是一種不含氯的非共沸混合制冷劑，常溫常壓下為無色氣體，上?；旌瞎べ|(zhì)制冷劑報價，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。其ODP為0，因此R404A是不破壞大氣臭氧層的環(huán)保制冷劑。主要用途：R404A主要用于替代"><meta name="keywords" content="上海混合工質(zhì)制冷劑報價,制冷劑"><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 http-equiv="Cache-Control" content="no-transform" /> <meta 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src="https://tyunfile.71360.com/UploadFile/bingpu/637401016686343089/5551362.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rgszls8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016686343089/5551362.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="a23tvh3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>上?；旌瞎べ|(zhì)制冷劑報價,制冷劑</p><p><span>***更新：</span>2021-01-22 05:18:29</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="lyqipg2" 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="nv7r7s8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="garyfr3" class="box"><p><p style="text-indent:25px">R-404A制冷劑物化特性：R404A是一種不含氯的非共沸混合制冷劑，常溫常壓下為無色氣體，上海混合工質(zhì)制冷劑報價，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。其 ODP 為 0 ，因此R404A是不破壞大氣臭氧層的環(huán)保制冷劑。主要用途：R404A 主要用于替代 R22 和 R502 ，具有清潔、低毒、不燃、制冷效果好等特點(diǎn)，上?；旌瞎べ|(zhì)制冷劑報價，大量用于中低溫冷凍系統(tǒng)。R-410A制冷劑物化特性：常溫常壓下， R410A 是一種不含氯的氟代烷非共沸混合制冷劑，無色氣體，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。其 ODP 為 0 ，因此R410A是不破壞大氣臭氧層的環(huán)保制冷劑。主要用途：大量用于家用空調(diào)、小型商用空調(diào)，上?；旌瞎べ|(zhì)制冷劑報價、戶式中央空調(diào)等。制冷劑在較高溫度下轉(zhuǎn)移給冷卻水或空氣。上海混合工質(zhì)制冷劑報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?；旌瞎べ|(zhì)制冷劑報價,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016686343089/5551362.png"></div><p style="text-indent:25px">目前制冷劑價格上升主要有三個因素：首先是的各國將螢石提升為戰(zhàn)略性資源，對其實行了保護(hù)性開發(fā)；其次是空調(diào)（包括汽車空調(diào)）消費(fèi)量的增加帶動了對制冷劑的需求；較后還有資金炒火的因素。制冷劑價格上升還有一個國際因素，根據(jù)《蒙特利爾議定書》，2010年發(fā)達(dá)的各國的低端制冷劑（如R22）產(chǎn)能已基本關(guān)停，發(fā)達(dá)的各國不再使用R22作為制冷劑，但R22作為下游含氟聚合物的主要原料，其對R22的需求依然存在。由于發(fā)展中的各國對R22完全淘汰還要等到2030年，因此這對發(fā)展中的各國的制冷劑生產(chǎn)商來說也是一個利好。目前R22的供需缺口至少維持至2013年，也意味著制冷劑的行業(yè)景氣至少還能持續(xù)兩年時間。上?；旌瞎べ|(zhì)制冷劑報價R410A 是一種不含氯的氟代烷非共沸混合制冷劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?；旌瞎べ|(zhì)制冷劑報價,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017180395870/8685948.png"></div><p style="text-indent:25px">空調(diào)制冷劑過去選用R12，目前大多選用R134a。考慮制冷劑的性質(zhì)。根據(jù)制冷劑的熱力性質(zhì)、物理性質(zhì)和化學(xué)性質(zhì)，選用那些無毒、不、不燃燒的制冷劑；選用制冷劑應(yīng)傳熱好、阻力小、與制冷系統(tǒng)用材料相容性好?？紤]壓縮機(jī)的類型。不同的制冷壓縮機(jī)的工作原理有所不同。體積式壓縮機(jī)是通過縮小制冷劑蒸氣的體積提高其壓力的，一般選用單位體積制冷量大的制冷劑，如R134a,R22等。制冷劑的種類很多，隨著科學(xué)技術(shù)的進(jìn)步．新工質(zhì)不斷出現(xiàn)，以適宜于不同的制冷裝置。</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。主要優(yōu)勢：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，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。與潤滑油共溶性良好。粘度很低，這樣可以提高流速，壓降不會太大，改善傳熱，進(jìn)一步減小部件尺寸和系統(tǒng)重量。要求制冷劑在高溫下具有良好的化學(xué)穩(wěn)定性，保證在較高工作溫度下工質(zhì)不發(fā)生分解。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?；旌瞎べ|(zhì)制冷劑報價,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017451450490/8007011.png"></div><p style="text-indent:25px">應(yīng)用非共沸混合工質(zhì)單級壓縮可得到很低的蒸發(fā)溫度，且可增加制冷量，減少功耗。它的性質(zhì)直接關(guān)系到制冷裝置的制冷效果、經(jīng)濟(jì)性、安全性及運(yùn)行管理，因而對制冷劑性質(zhì)要求的了解是不容忽視的。十九世紀(jì)中葉出現(xiàn)了機(jī)械制冷。雅各布.帕金斯（Jacob Perkins）在1834年建造了首臺實用機(jī)器。它用做制冷劑，是一種蒸氣壓縮系統(tǒng)。二氧化碳(CO2) 和氨(NH3)分別在1866年和1873年首先被用作制冷劑。其他化學(xué)制品包括化學(xué)氰（石油醚和石腦油）、二氧化硫(R-764)和甲醚，曾被作為蒸氣壓縮用制冷劑。其應(yīng)用限于工業(yè)過程。R404A是一種不含氯的非共沸混合制冷劑。上海大金R410A價格</p><p style="text-indent:25px">氨作為制冷劑有刺激性臭味、有毒、可以燃燒和，對銅及銅合金有腐蝕作用。上?；旌瞎べ|(zhì)制冷劑報價</p><p style="text-indent:25px">向制冷系統(tǒng)中加入氮?dú)猓缓笥梅试硪簷z漏。若有泄漏，泄漏處會出現(xiàn)肥皂泡。采用壓力檢漏時，嚴(yán)禁用壓縮空氣進(jìn)行檢漏，因為壓縮空氣中含有水分，水分隨空氣進(jìn)入后會在膨脹閥處產(chǎn)生冰堵。工業(yè)氮?dú)鉄o腐蝕性、無水分，且價格便宜，但瓶裝高壓氮?dú)庖欢ㄒ脺p壓表加注。加壓試漏時，首先應(yīng)正確連接歧管壓力計：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)作出記號并及時加以修復(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。上海混合工質(zhì)制冷劑報價</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司主要經(jīng)營范圍是化工，擁有一支專業(yè)技術(shù)團(tuán)隊和良好的市場口碑。公司業(yè)務(wù)分為制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在化工深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造化工良好品牌。冰仆冷暖設(shè)備秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2955993.html</p></div></div></div></div></div><div id="azrykbf" class="page-right twoColRt"><div id="sr8hgnu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fub8vsj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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