金冷R22 上海冰仆冷暖設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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(guò)0.2%，金冷R22。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(rùn)滑油無(wú)不良影"><meta name="keywords" content="金冷R22,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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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>?金冷R22 上海冰仆冷暖設(shè)備供應(yīng)</p><div id="4c2ekoa" class="leftbox clearfix"><h1>金冷R22 上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="awu44ye" class="proBig"><div id="ay2qwc2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016854712184/7560085.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q22qmaw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016854712184/7560085.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q2qmki2" 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>金冷R22,制冷劑</p><p><span>***更新：</span>2020-12-26 05:21:58</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="oiokqmy" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gusqmio" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="o24s2ma" class="box"><p><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(guò)0.2%，金冷R22。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(rùn)滑油無(wú)不良影響，但有水分時(shí)，會(huì)降低冷凍油的潤(rùn)滑作用。氨在潤(rùn)滑油中不易溶解，金冷R22，故要在裝置中設(shè)置油分離器，減少潤(rùn)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(wú)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），金冷R22，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。其他化學(xué)制品包括化學(xué)氰（石油醚和石腦油）、二氧化硫(R-764)和甲醚，曾被作為蒸氣壓縮用制冷劑。金冷R22</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷R22,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016854712184/7560085.png"></div><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(jiàn)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(méi)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(mén)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(mén)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。金冷R22要求制冷劑低廉，易于獲得。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷R22,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017250659526/928915.png"></div><p style="text-indent:25px">R-134a(代號(hào)：R134a）分子式： CH 2 FCF 3 （四氟乙烷），分子量：102.03，沸點(diǎn) ：-26.26℃ ，凝固點(diǎn) ：-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(diǎn)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(lèi)別為A1，是很安全的制冷劑。</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(duì)非共沸混合工質(zhì)的應(yīng)用進(jìn)行了大量的試驗(yàn)研究，并已將其用于天然氣的液化和分離等方面?；旌瞎卜兄评鋭?，目前尚不公開(kāi)配方，用在復(fù)疊式制冷機(jī)中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金冷R22,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017527466302/6732698.png"></div><p style="text-indent:25px">制冷劑物質(zhì)性能優(yōu)良、無(wú)毒、不燃，能適應(yīng)不同的溫度區(qū)域，明顯地改善了制冷機(jī)的性能。幾種制冷劑在空調(diào)中變得很普遍，包括CFC-11.CFC-12. CFC-113.CFC-114和HCFC-22.20世紀(jì)50年代的，開(kāi)始使用共沸制冷劑。60年代開(kāi)始使用非共沸制冷劑?？照{(diào)工業(yè)從幼小成長(zhǎng)為幾十億美元的產(chǎn)業(yè)，使用的都是以上幾種制冷劑。到1963年,這些制冷劑占到整個(gè)有機(jī)氟工業(yè)產(chǎn)量的98%。到1970年代中期，對(duì)臭氧層變薄的關(guān)注浮出水面，CFC族物質(zhì)可能要承擔(dān)部分責(zé)任。這導(dǎo)致了1987年蒙特利爾議定書(shū)的通過(guò)，議定書(shū)要求淘汰CFC和HCFC族。制冷劑在低溫下吸取被冷卻物體的熱量。江蘇杜邦制冷劑有哪些</p><p style="text-indent:25px">在蒸氣壓縮式制冷機(jī)中，使用在常溫或較低溫度下能液化的工質(zhì)為制冷劑。金冷R22</p><p style="text-indent:25px">R-12制冷劑別名R12、氟利昂12、F-12、CFC-12、二氟二氯甲烷，商品名稱(chēng)有Freon 12等，中文名稱(chēng)二氟二氯甲烷，英文名稱(chēng)Dichlorodifluoromethane，分子式CCl2F2。由于R-12屬于CFC類(lèi)物質(zhì)（首先批受限的ODS物質(zhì)Class I Ozone-depleting Substances）——對(duì)臭氧層有破壞、并且存在溫室效應(yīng)，因此在發(fā)達(dá)的各國(guó)和部分發(fā)展中的各國(guó)，已經(jīng)停止了在新空調(diào)、制冷設(shè)備上的初裝或舊設(shè)備上的再添加；中國(guó)2007年已停止了R12制冷劑的生產(chǎn)、以及在新制冷空調(diào)設(shè)備上的初裝。作為使用較較廣的中低溫制冷劑，R-12主要應(yīng)用于冰箱、冷柜、飲水機(jī)、汽車(chē)空調(diào)、商用空調(diào)、冷庫(kù)、商業(yè)制冷、冷凍冷凝機(jī)組等制冷設(shè)備中。二氟二氯甲烷同時(shí)還可應(yīng)用于氣霧推進(jìn)劑、物理發(fā)泡劑、配醫(yī)用消毒劑、殺蟲(chóng)藥發(fā)射劑等。金冷R22</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家銷(xiāo)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(chē)配件，機(jī)械配件、五金電器、焊接工具。銷(xiāo)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(chē)配件，機(jī)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(shí)、誠(chéng)實(shí)可信的企業(yè)。冰仆冷暖設(shè)備深耕行業(yè)多年，始終以客戶(hù)的需求為向?qū)В瑸榭蛻?hù)提供***的制冷劑廠(chǎng)家直銷(xiāo)，冷凍油廠(chǎng)家直銷(xiāo)，壓縮機(jī)批發(fā)銷(xiāo)售，制冷配件批發(fā)銷(xiāo)售。冰仆冷暖設(shè)備不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。冰仆冷暖設(shè)備創(chuàng)始人徐佳華，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2568088.html</p></div></div></div></div></div><div id="somag2o" class="page-right twoColRt"><div id="2wcq4c4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ymk2ami" class="recomPic 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