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href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxhxp/">精細化學(xué)品</a>?<a href="http://m.cdcfah.com/cp/second-jxhxp_tlzjdy/">涂料助劑</a>?<a href="http://m.cdcfah.com/cp/third-tlzjdy_qttlzjrh/">其他涂料助劑</a>?環(huán)保制冷劑企業(yè) 上海冰仆冷暖設(shè)備供應(yīng)</p><div id="8vg3msu" class="leftbox clearfix"><h1>環(huán)保制冷劑企業(yè) 上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="wqszgip" class="proBig"><div id="xr3bykm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401017196938816/319685.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jxzr3xn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401017196938816/319685.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3hyfht8" 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>環(huán)保制冷劑企業(yè),制冷劑</p><p><span>***更新：</span>2020-11-30 07:25:46</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="a8pwdub" 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="pjgip8f" class="page-proshow02"><p class="title">詳細說明</p><div id="8bikmok" class="box"><p><p style="text-indent:25px">R12為烷烴的鹵代物，學(xué)名二氟二氯甲烷，分子式為CF2Cl2。它是我國中小型制冷裝置中使用較為較廣的中壓中溫制冷劑。R12的標(biāo)準(zhǔn)蒸發(fā)溫度為－29.8℃，冷凝壓力一般為0.78～0.98MPa，凝固溫度為-155℃，單位容積標(biāo)準(zhǔn)制冷量約為288kcal/m3。R12是一種無色、透明、沒有氣味，幾乎無毒性、不燃燒、不，環(huán)保制冷劑企業(yè)，很安全的制冷劑，環(huán)保制冷劑企業(yè)。只有在空氣中容積濃度超過80%時才會使人窒息。但與明火接觸或溫度達400℃以上時，則分解出對人體有害的氣體，環(huán)保制冷劑企業(yè)。R12能與任意比例的潤滑油互溶且能溶解各種有機物，但其吸水性極弱。制冷劑在蒸發(fā)器內(nèi)吸收被冷卻介質(zhì)（水或空氣等）的熱量而汽化。環(huán)保制冷劑企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="環(huán)保制冷劑企業(yè),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017196938816/319685.png"></div><p style="text-indent:25px">常用制冷劑性質(zhì)：（1）氨：標(biāo)準(zhǔn)蒸發(fā)溫度為-33.4℃，凝固溫度為-77.7℃，壓力適中，單位容積制冷量大，流動阻力小，熱導(dǎo)率大。價格低廉對大氣臭氧層無破壞作用，故被較廣應(yīng)用在蒸發(fā)溫度-65℃以上的大中型制冷機中。缺點是毒性較大，可燃，可爆，有強烈刺激性臭味，等熵指數(shù)較大，對鋅銅有腐蝕作用。（2）氟利昂：重點分析熱水器發(fā)文時常用的，1）R22：對大氣臭氧層有輕微破壞作用，并產(chǎn)生溫室效應(yīng)，被列為第二批限用禁用的制冷劑。我國將在2040年1月1日起禁止生產(chǎn)和使用。R22是應(yīng)用較較廣的中溫制冷劑，沸點-40.8℃，凝固點-160℃，無色，氣味弱，不燃燒，不，屬安全制冷劑。它與潤滑油部分互溶，需采取回油措施。蘇州干冰制冷劑廠家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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="環(huán)保制冷劑企業(yè),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016679253334/4302164.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，氨壓縮機尺寸可以較小。純氨對潤滑油無不良影響，但有水分時，會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。純氨對鋼鐵無腐蝕作用，但當(dāng)氨中含有水分時將腐蝕銅和銅合金（磷青銅除外），故在氨制冷系統(tǒng)中對管道及閥件均不采用銅和銅合金。</p><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?；旌瞎卜兄评鋭壳吧胁还_配方，用在復(fù)疊式制冷機中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="環(huán)保制冷劑企業(yè),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016816089362/2230040.png"></div><p style="text-indent:25px">制冷劑在蒸發(fā)器中被制冷劑冷卻后，送到冷卻設(shè)備中，吸收被冷卻物體或空間的熱量，再返回蒸發(fā)器重新被冷卻，如此循環(huán)不止，以達到傳遞制冷量的目的。在鹽水制冰、冰蓄冷系統(tǒng)、集中空調(diào)等需要采用間接冷卻方法的運作過程中，需使用載冷劑來傳送冷量。載冷劑在制冷系統(tǒng)的蒸發(fā)器中被冷卻后，用來冷卻被冷卻物質(zhì)，然后再返回蒸發(fā)器，將熱量傳遞給制冷劑。制冷劑起到了運載冷量的作用，故又稱為冷媒。這樣既可減少制冷劑的充灌量，減少泄露的可能性，又易于解決冷量的控制和分配問題。載冷劑與載冷劑循環(huán)特點載冷劑是在間接冷卻中的制冷裝置中完成把被冷卻系統(tǒng)（物體或空間）的熱量傳遞給制冷劑的中R間冷卻介質(zhì)。這種中間冷卻介質(zhì)也稱為第二制冷劑。制冷劑需具有優(yōu)良的熱物理性能。環(huán)保制冷劑企業(yè)</p><p style="text-indent:25px">R410A制冷劑無色氣體，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。環(huán)保制冷劑企業(yè)</p><p style="text-indent:25px">在我們?nèi)粘Ｊ褂弥醒肟照{(diào)的時候，常常會碰到制冷劑不足，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，沸點降低，使閥門溫度低于冰點。制冷不足會有什么影響嗎?1.空調(diào)回氣溫度升高,壓縮機將因得不到應(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轉(zhuǎn),系統(tǒng)的低壓壓力將出現(xiàn)負壓,外界空氣會從密封不良處進入制冷系統(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,給壓縮機造成損壞;3.由于制冷或制熱效果差,使得空調(diào)長時間工作,不*浪費電力,也會縮短空調(diào)的使用壽命。環(huán)保制冷劑企業(yè)</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家銷售: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，機械配件、五金電器、焊接工具。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。冰仆冷暖設(shè)備擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供制冷劑廠家直銷，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)備致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。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://m.cdcfah.com/cp/2206485.html</p></div></div></div></div></div><div id="hw2cjv2" class="page-right twoColRt"><div id="ptfczgi" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j2jvsj8" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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