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href="http://www.cdcfah.com/cp/third-tlzjdy_qttlzjrh/">其他涂料助劑</a>?金冷制冷劑上海冰仆冷暖設(shè)備供應(yīng)</p><div id="ycitpgc" class="leftbox clearfix"><h1>金冷制冷劑上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="z7x8mit" class="proBig"><div id="x47aams" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016651128323/956971.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qwdpgho" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016651128323/956971.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m9uwxjf" 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>金冷制冷劑,制冷劑</p><p><span>***更新：</span>2020-12-20 02:17:51</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="sn3f8pg" 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: </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="3pvrnjz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="m4wsofw" class="box"><p><p style="text-indent:25px">在蒸汽壓縮式制冷機中，金冷制冷劑，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）對人類生態(tài)環(huán)境無破壞作用。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)濟性。（3）在工作溫度范圍內(nèi)，具有適當(dāng)?shù)娘柡险羝麎毫?，較起碼蒸發(fā)壓力不得低于大氣壓力，金冷制冷劑，以免外部空氣滲入系統(tǒng)中；冷凝壓力不宜過高，否則會引起壓縮機耗功增加，并要求系統(tǒng)具有較高的承壓能力，增加設(shè)備成本。制冷劑分類：無機化合物，金冷制冷劑、有機化合物、混合工質(zhì)。金冷制冷劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016651128323/956971.png"></div><p style="text-indent:25px">冰箱如果其它方面都正常運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，過一段時間之后再進(jìn)行下一步，防止意外的發(fā)生。然后就是連接系統(tǒng)的時候注意先關(guān)閉高低壓閥門，再把系統(tǒng)高低壓連接并且鎖緊，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。高效制冷劑企業(yè)對制冷劑性質(zhì)要求的了解是不容忽視的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017243257164/1555685.png"></div><p style="text-indent:25px">制冷劑充入量的準(zhǔn)確判斷方法：測重量。在充注氟利昂時,事先準(zhǔn)備一個小臺秤，將制冷劑鋼瓶放入一個容器中，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)鋼瓶內(nèi)制冷劑的減少量等于所需要的充注量時可停止充注。測工作電流。用鉗型電流表測工作電流，制冷時，環(huán)境溫度35℃，所測得的工作電流與銘牌上電流相對應(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)機正常、兩器散熱號的情況下按空調(diào)器工況測電流值作比較。</p><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：名稱分子式m,n,x,z值編號；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?；旌现评鋭；旌现评鋭┮垣@取命名的順序編號的；共沸混合制冷劑編號為R5，從R500開始R501,R502等。非共沸混合制冷劑編號為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。R404A 制冷劑常溫常壓下為無色氣體，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016854712184/7560085.png"></div><p style="text-indent:25px">R142b制冷劑，沸點較高-9.25℃.凝固點-130.8℃較大特點是在很高的冷凝溫度下，冷凝壓力并不高。如80℃時只有1.35Mpa，因此它適合在熱泵裝置和高環(huán)境溫度下使用。對大氣臭氧層有微弱的破壞作用，也將在2040年禁用。R134a，沸點-26.5℃，凝固點-101℃，無色，無味，不燃，不爆，但與礦物性潤滑油不相溶，必須采用聚脂類合成油（如聚烯烴乙二醇），與丁腈橡膠不相溶，故密封件須改為聚丁腈橡膠，吸水性較強，易與水反映生成酸，腐蝕管絡(luò)及壓縮機，對系統(tǒng)干燥度要求更高，系統(tǒng)中的干燥劑要換成XH-7或XH-9分子篩。壓縮機電機線圈絕緣材料必須加強絕緣等級，是一種不太成熟的制冷劑。用于食品工業(yè)和空調(diào)制冷的制冷劑*十多種。高效制冷劑企業(yè)</p><p style="text-indent:25px">制冷劑的性質(zhì)直接關(guān)系到制冷裝置的制冷效果、經(jīng)濟性、安全性及運行管理。金冷制冷劑</p><p style="text-indent:25px">混合共沸制冷劑，目前尚不公開配方，用在復(fù)疊式制冷機中，在空氣冷凝的前提下，蒸發(fā)溫度可以達(dá)到-150度左右。碳?xì)渲评鋭┲饕枪?jié)能和環(huán)保這兩大優(yōu)點；節(jié)能方面：用R433b的空調(diào)要比用R134,R22的空調(diào)節(jié)省能耗15%至35%左右。環(huán)保方面：碳?xì)渲评鋭儆谔烊还べ|(zhì)，因此對大氣無污染、對臭氧層無破壞和溫室效應(yīng)幾乎為零。按成分有以下幾種。（1）無機化合物。水、氨、二氧化碳等。（2）飽和碳?xì)浠衔锏难苌?，俗稱氟利昂。主要是甲烷和乙烷的衍生物。如R12,R22,R134a等。（3）飽合碳?xì)浠衔?。如丙烷，異丁烷等。?）不飽和碳?xì)浠衔铩Ｈ缫蚁?，丙烯等。?）共沸混合制冷劑。如R502等。（6）非共沸混合制冷劑。如R407c，R410等。金冷制冷劑</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)新實現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售，是化工的主力軍。冰仆冷暖設(shè)備不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。冰仆冷暖設(shè)備始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使冰仆冷暖設(shè)備在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2477278.html</p></div></div></div></div></div><div id="87aghyp" class="page-right twoColRt"><div id="ozqmstp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bcntuly" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="8arxo7y" 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