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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="bqif388" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nmj3zjg" class="box"><p><p style="text-indent:25px">冰箱如果其它方面都正常運(yùn)行但是卻不制冷很有可能就是缺乏制冷劑了，冰箱的制冷劑是實(shí)現(xiàn)制冷的基礎(chǔ)，如果想要讓冰箱重新發(fā)揮制冷作用，就需要添加制冷劑，現(xiàn)在咱們就來(lái)給大家講解一下冰箱制冷劑吧。制冷劑應(yīng)該怎么添加呢？冰箱添加制冷劑必須熟悉冰箱的結(jié)構(gòu)，如果熟悉了冰箱的結(jié)構(gòu)就可以輕松的給冰箱添加制冷劑了。首先是切斷電源，讓冰箱的全部系統(tǒng)停下來(lái)，浙江液態(tài)制冷劑有哪些，過(guò)一段時(shí)間之后再進(jìn)行下一步，防止意外的發(fā)生。然后就是連接系統(tǒng)的時(shí)候注意先關(guān)閉高低壓閥門(mén)，再把系統(tǒng)高低壓連接并且鎖緊，浙江液態(tài)制冷劑有哪些，浙江液態(tài)制冷劑有哪些，接上注上接口連接真空泵之后就可以進(jìn)行系統(tǒng)抽真空了步驟了。20世紀(jì)30年代，一系列鹵代烴制冷劑相繼出現(xiàn)。浙江液態(tài)制冷劑有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液態(tài)制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017223013032/838961.png"></div><p style="text-indent:25px">R-134a制冷劑別名R134a、HFC134a、HFC-134a、四氟乙烷，商品名稱(chēng)有SUVA 134a、Genetron 134a、KLEA 134a等，中文名稱(chēng)四氟乙烷，英文名稱(chēng)1,1,1,2-tetrafluoroethane，化學(xué)名1,1,1,2-- 四氟乙烷，分子式CH2FCF3。由于R-134a屬于HFC類(lèi)物質(zhì)（非ODS物質(zhì)Ozone-depleting Substances）——因此完全不破壞臭氧層，是當(dāng)前世界絕大多數(shù)的各國(guó)認(rèn)可并推薦使用的環(huán)保制冷劑，也是目前主流的環(huán)保制冷劑，較廣用于新制冷空調(diào)設(shè)備上的初裝和維修過(guò)程中的再添加。R-134a作為使用較較廣的中低溫環(huán)保制冷劑，由于HFC-134a 良好的綜合性能，使其成為一種非常有效和安全的CFC-12的替代品，主要應(yīng)用于在使用 R-12（R12、氟利昂12、F-12、CFC-12、Freon 12、二氯二氟甲烷）制冷劑的多數(shù)領(lǐng)域上海常用制冷劑價(jià)錢(qián)非共沸制冷劑在定壓下氣化或液化過(guò)程中，蒸汽成分與溶液成分不斷變化，對(duì)應(yīng)的溫度也不斷變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液態(tài)制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016739995559/6821260.png"></div><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。</p><p style="text-indent:25px">R-142b（一氯二氟乙烷）制冷劑物化性質(zhì)：一氯二氟乙烷CClF2CH3，HCFC-142b，沸點(diǎn)-9.2℃，臨界溫度136.45℃，臨界壓力4.15MPa，在常溫下為無(wú)色氣體，略有芳香味，易溶于油，難溶于水。主要用途：HCFC-142b（R-142b）主要用作高溫環(huán)境下的制冷系統(tǒng)，恒溫控制開(kāi)關(guān)及航空推進(jìn)劑的中間體，還用作化工原料。產(chǎn)品包裝：鋼瓶包裝，13.6kg/瓶，400kg/瓶，800kg/瓶。 R-402A 制冷劑物化性質(zhì)：R-402A組成：R-22、R-290及HFC-125，是HCFC服務(wù)型混配制冷劑。符合美國(guó)采暖、制冷空調(diào)工程師協(xié)會(huì)（ASHRAE）的 A1 安全等級(jí)類(lèi)別（這是較高的級(jí)別，對(duì)人身體無(wú)害）；符合美國(guó)環(huán)保組織 EPA、SNAP 和 UL 的標(biāo)準(zhǔn)。冷凍機(jī)油建議使用烷基苯 AB（Alkybenzene）合成油。主要用途：替代R-502用于商用制冷設(shè)備及一些交通制冷設(shè)施，適用于所有 R-502 可正常運(yùn)作的環(huán)境。產(chǎn)品包裝：鋼瓶包裝，12.2kg/瓶。主要用途：替代R-502用于大型商用制冷設(shè)備，如制冰機(jī)等。適用于所有 R-502 可正常運(yùn)作的環(huán)境。產(chǎn)品包裝：鋼瓶包裝，11.8kg/瓶。60年代開(kāi)始使用非共沸制冷劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江液態(tài)制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017286098980/8917334.png"></div><p style="text-indent:25px">認(rèn)為較有前途的R22潛代品為R407c和R410A。R407c是R32R125R134a以23：25：52的質(zhì)量百分比組成的三元非共沸制冷劑，蒸發(fā)壓力和制冷壓力與R22非常接近。但在制熱工況下單位容積制冷量和COP都小于R22。在相同設(shè)計(jì)運(yùn)行能力的熱泵熱水系統(tǒng)中，采用R407c熱水加熱系統(tǒng)耗功明顯高于R22系統(tǒng)。使得在高水溫時(shí)COP低于R22系統(tǒng)。R410A是R32和R125按照50：50的質(zhì)量百分比組成的近共沸混合制冷劑。其溫度滑移不超過(guò)0.2℃，這給制冷劑充灌，設(shè)備更換提供了方便。但是R410A制熱工況下的COP比R22約小9%，其蒸發(fā)壓力，冷凝壓力以及容積制冷量都比R22大的多，同溫度下它的壓力值比R22約高60%，傳熱性能及流動(dòng)性較好。不能直接用于R22系統(tǒng)。必須重新設(shè)計(jì)壓縮機(jī)，換熱器，管路和系統(tǒng)。雖然ASHRAE標(biāo)準(zhǔn)34把許多物質(zhì)分類(lèi)為制冷劑，但只有少部分用于商業(yè)空調(diào)。浙江液態(tài)制冷劑有哪些</p><p style="text-indent:25px">共沸制冷劑由兩種或兩種以上的制冷劑按一定的比例混合而成。浙江液態(tài)制冷劑有哪些</p><p style="text-indent:25px">在蒸汽壓縮式制冷機(jī)中，制冷劑選擇除了要有較好的熱力性質(zhì)和物理化學(xué)性質(zhì)外，更應(yīng)具有優(yōu)良的環(huán)境特性。具體要求如下：（1）對(duì)人類(lèi)生態(tài)環(huán)境無(wú)破壞作用。不破壞大氣臭氧層，不產(chǎn)生溫室效應(yīng)。（2）臨界溫度較高。在常溫或普通低溫下能夠液化。希望臨界溫度比環(huán)境溫度高的多，才能減少制冷劑節(jié)流損失，提高循環(huán)經(jīng)濟(jì)性。（3）在工作溫度范圍內(nèi)，具有適當(dāng)?shù)娘柡险羝麎毫Γ^起碼蒸發(fā)壓力不得低于大氣壓力，以免外部空氣滲入系統(tǒng)中；冷凝壓力不宜過(guò)高，否則會(huì)引起壓縮機(jī)耗功增加，并要求系統(tǒng)具有較高的承壓能力，增加設(shè)備成本。浙江液態(tài)制冷劑有哪些</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。冰仆冷暖設(shè)備擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶(hù)提供制冷劑廠家直銷(xiāo)，冷凍油廠家直銷(xiāo)，壓縮機(jī)批發(fā)銷(xiāo)售，制冷配件批發(fā)銷(xiāo)售。冰仆冷暖設(shè)備致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。冰仆冷暖設(shè)備始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專(zhuān)注與執(zhí)著使冰仆冷暖設(shè)備在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: 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