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src="https://tyunfile.71360.com/UploadFile/bingpu/637401017268794328/5056551.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7dd824t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401017268794328/5056551.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xq2ezo2" 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>杭州環(huán)保型制冷劑價格,制冷劑</p><p><span>***更新：</span>2020-11-13 00:37:27</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="awa82zb" 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="wkmbsjq" class="page-proshow02"><p class="title">詳細說明</p><div id="rqqxe3u" class="box"><p><p style="text-indent:25px">在氣體壓縮式制冷機中，使用氣體制冷劑，如空氣、氫氣、氦氣等，這些氣體在制冷循環(huán)中始終為氣態(tài)；在吸收式制冷機中，杭州環(huán)保型制冷劑價格，使用由吸收劑和制冷劑組成的二元溶液作為工質(zhì)，如氨和水、溴化鋰（分子式：LiBr。白色立方晶系結(jié)晶或粒狀粉末，極易溶于水）和水等；蒸汽噴射式制冷機用水作為制冷劑。制冷劑的主要技術(shù)指標(biāo)有飽和蒸氣壓強、比熱、粘度，杭州環(huán)保型制冷劑價格、導(dǎo)熱系數(shù)，杭州環(huán)保型制冷劑價格、表面張力等。1960年以后，人們對非共沸混合工質(zhì)的應(yīng)用進行了大量的試驗研究，并已將其用于天然氣的液化和分離等方面。非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。杭州環(huán)保型制冷劑價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州環(huán)保型制冷劑價格,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017268794328/5056551.png"></div><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，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，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)、戶式中央空調(diào)等。杭州環(huán)保型制冷劑價格碳氫制冷劑主要是節(jié)能和環(huán)保這兩大優(yōu)點；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州環(huán)保型制冷劑價格,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016134136108/3814907.png"></div><p style="text-indent:25px">制冷劑不足的表現(xiàn)：①氣管閥門發(fā)干，用手觸摸沒有明顯的涼感。其原因是制冷劑不足導(dǎo)致蒸發(fā)器內(nèi)的沸騰終結(jié)點提前，使該閥的制冷劑過熱度增大，閥門的溫度升高，大于室外空氣的**溫度。②液管閥門結(jié)霜。其原因是制冷劑不足導(dǎo)致液管內(nèi)壓力下降，沸點降低，使閥門溫度低于冰點。③打開室內(nèi)機面板，取下過濾網(wǎng)，可發(fā)現(xiàn)部分蒸發(fā)器結(jié)露或結(jié)霜。其原因是由于制冷劑不足，*使部分蒸發(fā)器發(fā)生了沸騰吸熱，使制冷面積相應(yīng)減少；④室外機排風(fēng)沒有熱感。其原因是制冷劑不足導(dǎo)致冷凝壓力、冷凝溫度都降低，排風(fēng)溫度也降低。⑤排水軟管排水?dāng)鄶嗬m(xù)續(xù)或根本不排水。其原因是蒸發(fā)器制冷面積減少，結(jié)露面積也減少，凝結(jié)水量降低。⑥室外機氣、液閥門有油污，有油污就有泄漏。其原因是制冷劑與冷凍油有一定的互溶性，氟從漏點逸出后進人大氣中，而油附著在漏點周圍。⑦測量空調(diào)器的工作電流小于額定電流。其原因是制冷劑不足而使壓縮機工作負荷減少，電流下降。⑧從室外機充氟口測量的壓力低于0.45Mpa。其原因是制冷劑不足導(dǎo)致了蒸發(fā)壓力下降。</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-9.2℃，臨界溫度136.45℃，臨界壓力4.15MPa，在常溫下為無色氣體，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)，恒溫控制開關(guān)及航空推進劑的中間體，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。符合美國采暖、制冷空調(diào)工程師協(xié)會（ASHRAE）的 A1 安全等級類別（這是較高的級別，對人身體無害）；符合美國環(huán)保組織 EPA、SNAP 和 UL 的標(biāo)準(zhǔn)。冷凍機油建議使用烷基苯 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，如制冰機等。適用于所有 R-502 可正常運作的環(huán)境。產(chǎn)品包裝：鋼瓶包裝，11.8kg/瓶。制冷劑是一種在制冷系統(tǒng)中不斷循環(huán)并通過其本身的狀態(tài)變化以實現(xiàn)制冷的工作物質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州環(huán)保型制冷劑價格,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016028022792/6122002.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行系統(tǒng)抽真空了步驟了。R404A是一種不含氯的非共沸混合制冷劑。杜邦R404A</p><p style="text-indent:25px">制冷劑需具有優(yōu)良的熱物理性能。杭州環(huán)保型制冷劑價格</p><p style="text-indent:25px">R-134a(代號：R134a）分子式： CH 2 FCF 3 （四氟乙烷），分子量：102.03，沸點：-26.26℃ ，凝固點：-96.6°C ，臨界溫度：101.1 ℃ ，臨界壓力：4067kpa，飽和液體密度：25℃ ， 1.207g/cm 3 ，液體比熱：25℃ ， 1.51KJ/(Kg·℃)，溶解度( 水中， 25℃ ) ：0.15% ，臨界密度：0.512g/cm3，破壞臭氧潛能值（ ODP ）：0 ，全球變暖系數(shù)值（ GWP ）：0.29，沸點下蒸發(fā)潛能 :215 kJ/kg，質(zhì)量指標(biāo) ：純度 ≥ 99.9 % ，水份PPm≤ 0.0010，酸度 PPm≤ 0.00001 ，蒸發(fā)殘留物PPm≤ 0.01，R134a作為R12的替代制冷劑，它的許多特性與R12很相像。R134a的毒性非常低，在空氣中不可燃，安全類別為A1，是很安全的制冷劑。杭州環(huán)保型制冷劑價格</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家貿(mào)易型類企業(yè)，積極探索行業(yè)發(fā)展，努力實現(xiàn)產(chǎn)品創(chuàng)新。是一家有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進，追求新型，在強化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時，良好的質(zhì)量、合理的價格、完善的服務(wù)，在業(yè)界受到寬泛好評。公司始終堅持客戶需求優(yōu)先的原則，致力于提供高質(zhì)量的制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售。冰仆冷暖設(shè)備順應(yīng)時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售。</p></p><br 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