蘇州東岳制冷劑有哪些上海冰仆冷暖設(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="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，蘇州東岳制冷劑有哪些。在常溫或普通低溫下能夠"><meta name="keywords" content="蘇州東岳制冷劑有哪些,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" 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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="rnhv3r3" 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="3lx3fzn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zdxdhbn" class="box"><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，蘇州東岳制冷劑有哪些。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；冷凝壓力不宜過高，蘇州東岳制冷劑有哪些，否則會引起壓縮機(jī)耗功增加，蘇州東岳制冷劑有哪些，并要求系統(tǒng)具有較高的承壓能力，增加設(shè)備成本。制冷劑是制冷機(jī)中完成熱力循環(huán)的工質(zhì)。蘇州東岳制冷劑有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州東岳制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016077271079/4530490.png"></div><p style="text-indent:25px">新的解決方案是開發(fā)HFC族，來擔(dān)當(dāng)制冷劑的主要角色。HCFC族作為過渡方案繼續(xù)使用并將逐漸淘汰。在1990年代，全球變暖對地球生命構(gòu)成了新的威脅。雖然全球變暖的因素很多，但因為空調(diào)和制冷耗能巨大（美國建筑物耗能約占總能耗的1/3），且許多制冷劑本身就是溫室氣體，制冷劑又被列入了討論范圍。雖然ASHRAE標(biāo)準(zhǔn)34把許多物質(zhì)分類為制冷劑，但只有少部分用于商業(yè)空調(diào)。1985年2月英國南極考察隊隊長發(fā)曼（J.Farman)首先報道，從1977年起就發(fā)現(xiàn)南極洲上空的臭氧總量在每年9月下旬開始迅速減少一半左右，形成“臭氧洞”持續(xù)到11月逐漸恢復(fù)，引起世界性的震驚。蘇州高效制冷劑價錢氨是目前使用較為較廣的一種中壓中溫制冷劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州東岳制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016667544935/4494992.png"></div><p style="text-indent:25px">R-134a制冷劑別名R134a、HFC134a、HFC-134a、四氟乙烷，商品名稱有SUVA 134a、Genetron 134a、KLEA 134a等，中文名稱四氟乙烷，英文名稱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</p><p style="text-indent:25px">在氣體壓縮式制冷機(jī)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(jī)中，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(jī)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(qiáng)、比熱、粘度、導(dǎo)熱系數(shù)、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(jìn)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。蒸汽噴射式制冷機(jī)用水作為制冷劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州東岳制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016000649782/4939243.png"></div><p style="text-indent:25px">在低層大氣中必須十分穩(wěn)定（也就是具有足夠長的大氣壽命），使其能夠達(dá)到臭氧層。例如氫氯氟烴雪種HCF22和HCFC123,都有一個氯原子，能消耗臭氧，其大氣壽命分別為 12.1和14年，且氯原子相對活潑，能在低層大氣中發(fā)生分解，到達(dá)臭氧層的數(shù)量就不多。因此HCFC22和HCFC123破壞臭氧的能力比CFCs小得多。制冷劑分類：無機(jī)化合物、有機(jī)化合物、混合工質(zhì)。對空調(diào)行業(yè)規(guī)定了具體淘汰目標(biāo)，1）工商制冷：2003年停止CFC11/12新灌裝，2010年停止CFC11/12維修補(bǔ)充的再灌裝。2）家電：1999年40%新生產(chǎn)的冰箱冷柜的替代，2003年70%新生產(chǎn)的冰箱冷柜的替代，2005年100% 新生產(chǎn)的冰箱冷柜的替代。3）汽車空調(diào)：2002年停止新生產(chǎn)CFC12空調(diào)，2009年后在汽車空調(diào)上只允許使用回收的CFCs。到目前為止，我國*簽署了倫敦修正案，所以尚沒對HCFCs的淘汰作出承諾。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。蘇州東岳制冷劑有哪些</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。蘇州東岳制冷劑有哪些</p><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(jī)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(jī)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(jī)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(jìn)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(jī)工作負(fù)荷減少，電流下降。⑧從室外機(jī)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。蘇州東岳制冷劑有哪些</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司一直專注于銷售:制拎設(shè)備、化工產(chǎn)品(除危險化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品)、儀器儀表、汽車配件，機(jī)械配件、五金電器、焊接工具。銷售:制拎設(shè)備、化工產(chǎn)品(除危險化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品)、儀器儀表、汽車配件，機(jī)械配件、五金電器、焊接工具。，是一家化工的企業(yè)，擁有自己**的技術(shù)體系。一批專業(yè)的技術(shù)團(tuán)隊，是實現(xiàn)企業(yè)戰(zhàn)略目標(biāo)的基礎(chǔ)，是企業(yè)持續(xù)發(fā)展的動力。上海冰仆冷暖設(shè)備有限公司主營業(yè)務(wù)涵蓋制冷劑廠家直銷，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，堅持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。一直以來公司堅持以客戶為中心、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)銷售市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1990938.html</p></div></div></div></div></div><div id="drjjn5p" class="page-right twoColRt"><div id="xztxjv3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nzbpjlr" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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