杭州制冷劑一般加多少上海冰仆冷暖設(shè)備供應(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="R-408A制冷劑的物化性能：R408A制冷劑是由R22,R125,R143a組成的混配制冷工質(zhì)，在常溫下為無(wú)色氣體，分子量87，杭州制冷劑一般加多少.01，沸點(diǎn)-44.4℃，臨界溫度83.8℃，臨界壓力4.42MPa，破壞臭氧潛能值（OD"><meta name="keywords" content="杭州制冷劑一般加多少,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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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="bo3snpw" class="twoCol"><div id="pt3olsx" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?杭州制冷劑一般加多少上海冰仆冷暖設(shè)備供應(yīng)</p><div id="ymtacjv" class="leftbox clearfix"><h1>杭州制冷劑一般加多少上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="onprdpr" class="proBig"><div id="bkgnjvm" 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="x33iu72" 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="soqxuls" 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>杭州制冷劑一般加多少,制冷劑</p><p><span>***更新：</span>2021-01-08 05:18:12</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="k2lb33x" 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="7x23gsj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tpgs78d" class="box"><p><p style="text-indent:25px">R-408A 制冷劑的物化性能：R408A制冷劑是由R22, R125, R143a 組成的混配制冷工質(zhì)，在常溫下為無(wú)色氣體，分子量 87，杭州制冷劑一般加多少.01，沸點(diǎn)-44.4℃，臨界溫度 83.8℃，臨界壓力4.42MPa，破壞臭氧潛能值（ODP）0.016。主要用途：R408A制冷劑主要用于替代R502。產(chǎn)品包裝：鋼瓶包裝，10.9kg/瓶。R-409A 制冷劑物化性能：R409A由HCFC-22,HCFC-124和HCFC-142b混合而成，在常溫下為無(wú)色氣體。分子量97.4，沸點(diǎn) -34.5℃，臨界溫度106.8℃，杭州制冷劑一般加多少，臨界壓力4.69MPa，破壞臭氧潛能值（ODP）0，杭州制冷劑一般加多少.039。主要用途：R409A是R12的替代品，主要用于制冷系統(tǒng)。產(chǎn)品包裝：鋼瓶包裝，13.6kg/瓶。新的解決方案是開(kāi)發(fā)HFC族，來(lái)?yè)?dān)當(dāng)制冷劑的主要角色。杭州制冷劑一般加多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017190591160/1670216.png"></div><p style="text-indent:25px">目前我國(guó)空調(diào)行業(yè)使用較多的制冷劑是HCFC物質(zhì)R22。R290與R22的標(biāo)準(zhǔn)沸點(diǎn)、凝固點(diǎn)、臨界點(diǎn)等基本物理性質(zhì)非常接近，具備替代R22的基本條件。在飽和液態(tài)時(shí)，R290的密度比R22小，因此相同容積下R290的灌注量更小，試驗(yàn)證明相同系統(tǒng)體積下R290的灌注量是R22的43%左右。另外，由于R290的汽化潛熱大約是R22的2倍左右，因此采用R290的制冷系統(tǒng)制冷劑循環(huán)量更小。R290具有良好的材料相容性，與銅、鋼、鑄鐵、潤(rùn)滑油等均能良好相容。未來(lái)我國(guó)還將進(jìn)一步加大使用R290制冷劑的空調(diào)產(chǎn)線改造示范試點(diǎn)力度。隨著對(duì)R290應(yīng)用技術(shù)研究的不斷深入、使用經(jīng)驗(yàn)的不斷積累，環(huán)保型制冷劑R290未來(lái)將擁有廣闊的市場(chǎng)應(yīng)用前景。杭州制冷劑一般加多少制冷劑是制冷機(jī)中完成熱力循環(huán)的工質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017451450490/8007011.png"></div><p style="text-indent:25px">氟利昂和烷氫類制冷劑：烷氫類化合物的分子通式：CmH2m+2；氟利昂是飽合碳?xì)浠衔?烷族)的鹵族元素衍生物的總稱，分子通式為R（m-1）(n+1)(X),若有Br（溴）原子，再加字母B和原子數(shù)，若（m-1）=0，則“0”略去不寫。下面列舉幾種編號(hào)：名稱分子式m,n,x,z值編號(hào)；一氯二氟甲烷CHF2Clm=1,n=1,x=2,z=0R22；二氯撒氟乙烷C2HF3Cl2m=2,n=1,x=3,z=0R123；三氟一溴甲烷CF3Brm=1,n=0,x=3,z=1R13B1；丙烷C3H8m=3,n=8,x=0,z=0R290。混合制冷劑。混合制冷劑以獲取命名的順序編號(hào)的；共沸混合制冷劑編號(hào)為R5，從R500開(kāi)始R501,R502等。非共沸混合制冷劑編號(hào)為R4，從R401，R404，R410等。同素異構(gòu)體加注小寫數(shù)字母，如CHF2-CHF2R134,CF3-CH2FR134a。</p><p style="text-indent:25px">根據(jù)對(duì)國(guó)內(nèi)外大中型冷庫(kù)制冷劑使用情況的調(diào)研，分析了大中型冷庫(kù)制冷劑的現(xiàn)狀。根據(jù)國(guó)際上較新的文獻(xiàn)，評(píng)論了冷庫(kù)制冷劑應(yīng)用的發(fā)展新動(dòng)向。結(jié)果表明：在國(guó)內(nèi)外大中型冷庫(kù)中，目前采用氨制冷劑是主流，今后氨仍然將是主要制冷劑。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。采用氨制冷劑的關(guān)鍵問(wèn)題是安全問(wèn)題。在制冷劑的發(fā)展動(dòng)向中，CO2系統(tǒng)成為新一代制冷劑關(guān)注的重點(diǎn)，CO2/NH3復(fù)疊式制冷系統(tǒng)具有較大的發(fā)展?jié)摿?。在間接制冷系統(tǒng)中，采用氨水替代乙二醇作為載冷劑，可以使系統(tǒng)能耗明顯降低。碳?xì)渲评鋭儆谔烊还べ|(zhì)，因此對(duì)大氣無(wú)污染、對(duì)臭氧層無(wú)破壞和溫室效應(yīng)幾乎為零。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017180395870/8685948.png"></div><p style="text-indent:25px">C02制冷劑絕緣指數(shù)（K）值較高，雖有使壓縮機(jī)排氣溫度偏高的問(wèn)題，但符合制取較高溫度熱水的要求。同時(shí)，由于C02低于工作壓力P0很高，壓縮機(jī)壓縮比相對(duì)其他系統(tǒng)低的多，壓縮機(jī)效率高。C02分子量比高分子化合物的小得多，因此相對(duì)于一定的蒸發(fā)溫度，它的蒸發(fā)（汽化）潛熱比較大，此外，高的工作壓力，使壓縮機(jī)吸氣比容較小，單位容積制冷量較大，可以減少尺寸，使系統(tǒng)結(jié)構(gòu)緊湊。C02低的臨界溫度，使其在熱泵系統(tǒng)循環(huán)中處于跨臨界狀態(tài)。在放熱過(guò)程中較大的溫度滑移，可以和變溫?zé)嵩摧^好的匹配。制冷劑需具有優(yōu)良的熱物理性能。浙江液態(tài)制冷劑哪家好</p><p style="text-indent:25px">R404A 制冷劑具有清潔、低毒、不燃、制冷效果好等特點(diǎn)，大量用于中低溫冷凍系統(tǒng)。杭州制冷劑一般加多少</p><p style="text-indent:25px">壓縮法回收：用壓縮的方法將制冷劑蒸發(fā)變成液體：從空調(diào)系統(tǒng)排出的制冷劑通過(guò)過(guò)濾干燥器，除去水分和雜質(zhì)，受吸氣壓力調(diào)節(jié)控制閥，部分液態(tài)制冷劑存留在儲(chǔ)液罐中，氣態(tài)制冷劑進(jìn)入壓縮機(jī)被壓縮成高溫高壓氣體，通過(guò)分油器時(shí)，與制冷劑混合的冷凍潤(rùn)滑油被分離出來(lái)，流回壓縮機(jī)，制冷劑則進(jìn)入冷凝器被冷卻，通過(guò)氣液分離器，被冷凝的液態(tài)制冷劑流到回收容器，回收容器中的部分氣態(tài)制冷劑會(huì)通過(guò)毛細(xì)管被壓縮機(jī)吸入。抽真空是為了排除制冷系統(tǒng)內(nèi)的空氣和水氣，是空調(diào)維修中一項(xiàng)極為重要的程序。因?yàn)閷?duì)制冷系統(tǒng)進(jìn)行維修或更換元件時(shí)，空氣會(huì)進(jìn)入系統(tǒng)，且空氣中含有一定量的水蒸氣(濕空氣)。系統(tǒng)抽真空時(shí)，時(shí)間越長(zhǎng)，系統(tǒng)內(nèi)殘余的水分就越少。為較大限度地將系統(tǒng)內(nèi)的空氣及濕氣抽出，必須采用重復(fù)抽真空法，即首先次抽真空完畢后，再連續(xù)抽30min以上。杭州制冷劑一般加多少</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司主要經(jīng)營(yíng)范圍是化工，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)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)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展。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(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2753059.html</p></div></div></div></div></div><div id="dqszb3m" class="page-right twoColRt"><div id="aubi2qr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cwnzq8n" 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" 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