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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="tjdasou" class="twoCol"><div id="id73f7s" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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>?杭州東岳制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</p><div id="hva8hg8" class="leftbox clearfix"><h1>杭州東岳制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="emdvnpw" class="proBig"><div id="88tqnfr" 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="qa2tqco" 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="ftv3lnp" 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>杭州東岳制冷劑廠家,制冷劑</p><p><span>***更新：</span>2020-12-22 04:21:03</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="jikmj8x" 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="3seqshd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qeqcuqx" class="box"><p><p style="text-indent:25px">應(yīng)用非共沸混合工質(zhì)單級(jí)壓縮可得到很低的蒸發(fā)溫度，且可增加制冷量，減少功耗。它的性質(zhì)直接關(guān)系到制冷裝置的制冷效果、經(jīng)濟(jì)性、安全性及運(yùn)行管理，因而對(duì)制冷劑性質(zhì)要求的了解是不容忽視的。十九世紀(jì)中葉出現(xiàn)了機(jī)械制冷。雅各布.帕金斯（Jacob Perkins）在1834年建造了首臺(tái)實(shí)用機(jī)器。它用做制冷劑，是一種蒸氣壓縮系統(tǒng)。二氧化碳(CO2) 和氨(NH3)分別在1866年和1873年首先被用作制冷劑。其他化學(xué)制品包括化學(xué)氰（石油醚和石腦油），杭州東岳制冷劑廠家，杭州東岳制冷劑廠家，杭州東岳制冷劑廠家、二氧化硫(R-764)和甲醚，曾被作為蒸氣壓縮用制冷劑。其應(yīng)用限于工業(yè)過程。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。杭州東岳制冷劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州東岳制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017190591160/1670216.png"></div><p style="text-indent:25px">氨制冷裝置中不能使用銅及銅合金材料，并規(guī)定氨中含水量不應(yīng)超過0.2%。氨的臨界溫度較高（tkr=132℃），汽化潛熱大，在大氣壓力下為1164KJ/Kg，標(biāo)準(zhǔn)工況下的單位容積制冷量也大，氨壓縮機(jī)尺寸可以較小。純氨對(duì)潤滑油無不良影響，但有水分時(shí)，會(huì)降低冷凍油的潤滑作用。氨在潤滑油中不易溶解，故要在裝置中設(shè)置油分離器，減少潤滑油進(jìn)入冷凝器和蒸發(fā)器，防止熱交換表面被油污染后傳熱性能降低。純氨對(duì)鋼鐵無腐蝕作用，但當(dāng)氨中含有水分時(shí)將腐蝕銅和銅合金（磷青銅除外），故在氨制冷系統(tǒng)中對(duì)管道及閥件均不采用銅和銅合金。杭州東岳制冷劑廠家非共沸制冷劑在定壓下氣化或液化過程中，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="杭州東岳制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016040376295/9954917.png"></div><p style="text-indent:25px">向制冷系統(tǒng)中加入氮?dú)?，然后用肥皂液檢漏。若有泄漏，泄漏處會(huì)出現(xiàn)肥皂泡。采用壓力檢漏時(shí)，嚴(yán)禁用壓縮空氣進(jìn)行檢漏，因?yàn)閴嚎s空氣中含有水分，水分隨空氣進(jìn)入后會(huì)在膨脹閥處產(chǎn)生冰堵。工業(yè)氮?dú)鉄o腐蝕性、無水分，且價(jià)格便宜，但瓶裝高壓氮?dú)庖欢ㄒ脺p壓表加注。加壓試漏時(shí)，首先應(yīng)正確連接歧管壓力計(jì)：高壓軟管接在排氣管道上(高壓側(cè))，低壓軟管接在吸氣管道上(低壓側(cè))。將軟管連接在壓縮機(jī)的高、低壓檢修閥上，打開高、低壓檢修閥，向系統(tǒng)中加入干燥氮?dú)馄鋲毫σ话銘?yīng)為1.5MPa左右。當(dāng)系統(tǒng)達(dá)到規(guī)定壓力后，用肥皂液涂在系統(tǒng)的各連接處和焊接處，仔細(xì)觀察有無泄漏。泄漏大的地方有微小聲音，并出現(xiàn)大泡沫，泄漏小的地方，則間斷出現(xiàn)小泡沫，所以檢漏必須仔細(xì)，并反復(fù)檢查3～5次，發(fā)現(xiàn)泄漏處應(yīng)作出記號(hào)并及時(shí)加以修復(fù)，然后再去試漏其他接頭處，直至泄漏徹底排除。修漏完畢，應(yīng)試漏，讓系統(tǒng)保壓24～48h，若壓力不降低，則試漏合格，倘若壓力有明顯降低，必須重新進(jìn)行檢漏，直到找出泄漏處并加以排除為止。</p><p style="text-indent:25px">R-124（一氯四氟乙烷）制冷劑物化性質(zhì)：一氯四氟乙烷CHClFCF3，HCFC-124（R124），分子量136.5，沸點(diǎn)-10.95℃，臨界溫度122.25℃，臨界壓力3.613MPa，破壞臭氧潛能值（ODP）為0.02，全球變暖潛能值(GWP，100 yr)為0.10。主要用途：HCFC-124（R124）主要用作制冷劑、滅火劑，是混合工質(zhì)的重要組分，可替代 CFC-114。產(chǎn)品包裝：鋼瓶包裝，13.6kg/瓶。 R-141b（二氯一氟乙烷）制冷劑物化性質(zhì)：二氯一氟乙烷CH3CCl2F，HCFC-141b，分子量116.95，沸點(diǎn)32.05℃，臨界溫度204.5℃，臨界壓力4.25MPa，破壞臭氧潛能值（ODP）為0.11，全球變暖潛能值(GWP，100 yr)為0.09。主要用途：該產(chǎn)品可替代 CFC-11 作硬質(zhì)聚氨酯泡沫塑料的發(fā)泡劑，替代 CFC-113 作清洗劑，也用于作制冷劑。產(chǎn)品包裝：鋼桶包裝，20kg/桶，250kg/桶。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="杭州東岳制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016214117354/9845773.png"></div><p style="text-indent:25px">空調(diào)制冷劑過去選用R12，目前大多選用R134a?？紤]制冷劑的性質(zhì)。根據(jù)制冷劑的熱力性質(zhì)、物理性質(zhì)和化學(xué)性質(zhì)，選用那些無毒、不、不燃燒的制冷劑；選用制冷劑應(yīng)傳熱好、阻力小、與制冷系統(tǒng)用材料相容性好?？紤]壓縮機(jī)的類型。不同的制冷壓縮機(jī)的工作原理有所不同。體積式壓縮機(jī)是通過縮小制冷劑蒸氣的體積提高其壓力的，一般選用單位體積制冷量大的制冷劑，如R134a,R22等。制冷劑的種類很多，隨著科學(xué)技術(shù)的進(jìn)步．新工質(zhì)不斷出現(xiàn)，以適宜于不同的制冷裝置。制冷劑是制冷機(jī)中完成熱力循環(huán)的工質(zhì)。杭州東岳制冷劑廠家</p><p style="text-indent:25px">制冷劑在南方一些地區(qū)俗稱雪種。杭州東岳制冷劑廠家</p><p style="text-indent:25px">化工產(chǎn)業(yè)是國民經(jīng)濟(jì)的重要基礎(chǔ)行業(yè)，與一國綜合國力和人們生活密切相關(guān)?；ぎa(chǎn)業(yè)由于規(guī)模體量大、產(chǎn)業(yè)鏈條長、資本技術(shù)密集、帶動(dòng)作用廣、與大家生活息息相關(guān)等特征，受到各國的高度重視。世界各國對(duì)環(huán)境保護(hù)和綠色發(fā)展的重視程度日益提升，出臺(tái)了很多環(huán)境方面的政策、法規(guī)，同時(shí)環(huán)境執(zhí)法力度也在逐步提高，化工有限責(zé)任公司企業(yè)需要積極探索綠色低碳、安全環(huán)保的技術(shù)，加強(qiáng)與信息化技術(shù)融合，盡可能地發(fā)展環(huán)保型產(chǎn)品，實(shí)現(xiàn)清潔生產(chǎn)，并在節(jié)約能源和資源方面，采用工藝技術(shù)，降低原材料消耗；配備廢水、廢氣、廢固處理設(shè)備，極大限度地降低三廢排放量，增加節(jié)水措施，提高水的重復(fù)利用率等?？梢哉f，“綠色化工”已經(jīng)成為行業(yè)發(fā)展潮流。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)銷售應(yīng)用于國民經(jīng)濟(jì)和****的眾多領(lǐng)域中，成為我國化工體系中市場需求增長**快的領(lǐng)域之一，近年來很多產(chǎn)品的消費(fèi)量年均增長都在10%以上。在全球化工行業(yè)業(yè)績承壓的環(huán)境下，各個(gè)塑料巨頭們都在找尋下一個(gè)收入點(diǎn)。未來，經(jīng)濟(jì)上的成功將越來越取決于數(shù)字化、生產(chǎn)流程和產(chǎn)品開發(fā)的有機(jī)融合，這需要?jiǎng)?chuàng)新的貿(mào)易型。如今，*根據(jù)材料的功能來評(píng)估材料價(jià)值是不夠的，可持續(xù)性也越來越重要。杭州東岳制冷劑廠家</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司總部位于美丹路222號(hào)629室，是一家銷售:制拎設(shè)備、化工產(chǎn)品(除危險(xiǎn)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(xiǎn)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。的公司。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(jī)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)備始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。冰仆冷暖設(shè)備創(chuàng)始人徐佳華，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2508093.html</p></div></div></div></div></div><div id="yhzgdkr" class="page-right twoColRt"><div id="dxogsja" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nxz2me8" 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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