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class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?大金制冷劑工廠上海冰仆冷暖設(shè)備供應(yīng)</p><div id="dskc8zg" class="leftbox clearfix"><h1>大金制冷劑工廠上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="pjashy2" class="proBig"><div id="znproqx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401015978891933/7683022.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="srtasur" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401015978891933/7683022.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oi3tacj" 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>大金制冷劑工廠,制冷劑</p><p><span>***更新：</span>2021-01-21 04:17:09</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zog32tq" 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="ynkh77e" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="infxpbt" class="box"><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℃，大金制冷劑工廠，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(jìn)劑的中間體，還用作化工原料，大金制冷劑工廠。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)類別（這是較高的級(jí)別，對(duì)人身體無害）；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，大金制冷劑工廠，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年代開始使用非共沸制冷劑。大金制冷劑工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑工廠,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401015978891933/7683022.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)鍵問題是安全問題。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ΑＴ陂g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?；裟犴f爾R134a報(bào)價(jià)碳?xì)渲评鋭儆谔烊还べ|(zhì)，因此對(duì)大氣無污染、對(duì)臭氧層無破壞和溫室效應(yīng)幾乎為零。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑工廠,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017129067779/4260118.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(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">在我們?nèi)粘Ｊ褂弥醒肟照{(diào)的時(shí)候，常常會(huì)碰到制冷劑不足，導(dǎo)致空調(diào)制冷效果不好的情況，并且充注制冷劑，也是每次中央空調(diào)保養(yǎng)的一項(xiàng)重要工作，這里就和大家分享一下常見的中央空調(diào)制冷劑不足出現(xiàn)的現(xiàn)象。1.制冷效果差。這是制冷劑不足較直觀的表現(xiàn)。2.室內(nèi)機(jī)內(nèi)部分蒸發(fā)器結(jié)霜或者結(jié)露。主要原因是由于制冷劑不足，*使部分蒸發(fā)器發(fā)生沸騰吸熱，使制冷面積相應(yīng)減少。3.室外機(jī)排風(fēng)沒有熱感。由于制冷劑不足導(dǎo)致冷凝壓力不足、冷凝溫度降低、排風(fēng)溫度都降低。4.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(diǎn)降低，使閥門溫度低于冰點(diǎn)。制冷不足會(huì)有什么影響嗎?1.空調(diào)回氣溫度升高,壓縮機(jī)將因得不到應(yīng)有的冷卻而造成損壞2.空調(diào)在制冷劑不足的狀況下運(yùn)轉(zhuǎn),系統(tǒng)的低壓壓力將出現(xiàn)負(fù)壓,外界空氣會(huì)從密封不良處進(jìn)入制冷系統(tǒng),空氣中的各種氣體,水分,雜質(zhì)將與制冷劑發(fā)生化學(xué)反應(yīng),生成鹽酸,氫氟酸等腐蝕性化合物,給壓縮機(jī)造成損壞;3.由于制冷或制熱效果差,使得空調(diào)長(zhǎng)時(shí)間工作,不*浪費(fèi)電力,也會(huì)縮短空調(diào)的使用壽命。制冷劑需有良好的電氣絕緣性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑工廠,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016165923170/7418519.png"></div><p style="text-indent:25px">制冷劑的選用是一個(gè)比較復(fù)雜的技術(shù)經(jīng)濟(jì)問題，需要考慮的因素很多，選擇時(shí)應(yīng)根據(jù)具體情況，進(jìn)行各方面的技術(shù)分析。1.考慮環(huán)保的要求。必須選用符合的各國(guó)環(huán)保法規(guī)的制冷劑。2.考慮制冷溫度的要求。根據(jù)制冷劑溫度和冷卻條件的不同，選用高溫（低壓）、中溫（中壓）、低溫（高壓）制冷劑。通常選擇的制冷劑的標(biāo)準(zhǔn)蒸發(fā)溫度要低于制冷溫度10℃。選擇制冷劑還應(yīng)考慮制冷裝置的冷卻條件、使用環(huán)境等。運(yùn)行中的冷凝壓力不應(yīng)超過壓縮機(jī)安全使用條件的規(guī)定值。汽車空調(diào)只能用車外空氣做冷卻介質(zhì)，對(duì)其產(chǎn)生影響的氣溫、風(fēng)速、太陽(yáng)輻射、熱輻射等因素?zé)o不在頻繁發(fā)生變化，其運(yùn)行條件決定它只能選用高溫（低壓）制冷劑。R404A是不破壞大氣臭氧層的環(huán)保制冷劑。霍尼韋爾R134a報(bào)價(jià)</p><p style="text-indent:25px">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、溴化鋰和水等；大金制冷劑工廠</p><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)。大金制冷劑工廠</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，是一家貿(mào)易型的公司。公司業(yè)務(wù)分為制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事化工多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2939694.html</p></div></div></div></div></div><div id="furw3lm" class="page-right 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