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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>?上海**制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</p><div id="yhuptw4" class="leftbox clearfix"><h1>上海**制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="rsnagq9" class="proBig"><div id="pfak4on" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="4wvxsya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xr14xpn" 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>上海**制冷劑廠家,制冷劑</p><p><span>***更新：</span>2021-01-03 01:19:41</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="hbdyegb" 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="ic9s3dy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fvikjlr" class="box"><p><p style="text-indent:25px">R134a的化學(xué)穩(wěn)定性很好，然而由于它的溶水性比R22高，所以對(duì)制冷系統(tǒng)不利，即使有少量水分存在，在潤滑油等的作用下，將會(huì)產(chǎn)生酸、二氧化碳或一氧化碳，將對(duì)金屬產(chǎn)生腐蝕作用，或產(chǎn)生“鍍銅”作用，上海**制冷劑廠家，所以R134a對(duì)系統(tǒng)的干燥和清潔要求更高。R134a對(duì)鋼、鐵、銅、鋁等金屬未發(fā)現(xiàn)有相互制冷劑化學(xué)反應(yīng)的現(xiàn)象，*對(duì)鋅有輕微的作用。R134a 是目前國際公認(rèn)的替代 CFC-12 的主要制冷工質(zhì)之一，常用于車用空調(diào)，商業(yè)和工業(yè)用制冷系統(tǒng)，以及作為發(fā)泡劑用于硬塑料保溫材料生產(chǎn)，也可以用來配置其他混合致冷劑，如 R 404a 和 R 407c 等，上海**制冷劑廠家，上海**制冷劑廠家。如氟利昂，共沸混合工質(zhì)、碳?xì)浠衔铩钡榷际侵评鋭?；上?*制冷劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png"></div><p style="text-indent:25px">C02應(yīng)用研究的一個(gè)重要領(lǐng)域是熱泵熱水器（HPWH）。C02跨臨界循環(huán)中氣體冷卻器所具有的較高的排氣溫度，較大的溫度滑移和冷卻介質(zhì)的溫升過程相匹配，使其在熱泵循環(huán)方面具有獨(dú)特的優(yōu)勢。通過調(diào)整循環(huán)的排氣壓力，可使氣體冷卻器的排熱過程較好適應(yīng)外部熱源的溫度和溫升需要。研究結(jié)果表明，當(dāng)用環(huán)境空氣作熱源，0℃環(huán)境進(jìn)水溫度8℃，熱水出水溫度為60℃時(shí)，該系統(tǒng)COP值高達(dá)4.3.一個(gè)更大優(yōu)點(diǎn)是毫無困難的產(chǎn)出90℃的熱水COP值仍較高。而普通的熱泵熱水器限制產(chǎn)水溫度在55℃以下。因而C02熱泵系統(tǒng)可較好的滿足采暖，空調(diào)和生活熱水的加熱要求。C02作為制冷工質(zhì)在熱泵中的應(yīng)用將有效的解決空調(diào)冷熱源面臨的資源與環(huán)境壓力，應(yīng)用前景良好。上?？颇街评鋭﹥r(jià)格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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017243257164/1555685.png"></div><p style="text-indent:25px">液氨制冷劑透明無色，氨蒸氣無色，有強(qiáng)烈的刺激臭味。氨對(duì)人體有較大的毒性，當(dāng)氨液飛濺到皮膚上時(shí)會(huì)引起凍著。當(dāng)空氣中氨蒸氣的容積達(dá)到0.5-0.6%時(shí)可引起。故機(jī)房內(nèi)空氣中氨的濃度不得超過0.02mg/L。氨在常溫下不易燃燒，加熱至350℃時(shí)，分解為氮和氫氣，氫氣與空氣中的氧氣混合后會(huì)發(fā)生。與空氣混合的體積分?jǐn)?shù)在11%-14%時(shí)即可燃燒。在16%-25%時(shí)遇明火可能。在0.5%-0.6%時(shí)，人在其中停留半小時(shí)就會(huì)中毒。氨極溶于水，0℃時(shí)每升水能溶解130升氨氣。一般規(guī)定液氨中含水量低于0.2%。</p><p style="text-indent:25px">制冷劑的回收：制冷劑回收主要有以下三種方法：冷卻法，壓縮法，吸附分離法，回收過程中會(huì)造成制冷劑質(zhì)量不純，因此較好對(duì)回收的制冷劑進(jìn)行再生處理。回收步驟：1），將歧管壓力計(jì)接到回收機(jī)及汽車空調(diào)系統(tǒng)上，注意連接前必須使用空調(diào)系統(tǒng)的制冷劑沖洗所有連接軟管，以排除軟管內(nèi)的空氣。2），將回收鋼瓶與回收機(jī)連接起來，同樣要排除軟管內(nèi)的空氣。3），接上電源，打開開關(guān)，按說明書進(jìn)行回收操作和中斷。4），使用真空泵，進(jìn)行系統(tǒng)抽真空。5），將回收后經(jīng)過干燥，過濾，去油處理的制冷劑充裝到回收鋼瓶中。關(guān)機(jī)，切斷電源，替換所有連接管。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="上海**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016059653764/28881.png"></div><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(duì)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。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，否則會(huì)引起壓縮機(jī)耗功增加，并要求系統(tǒng)具有較高的承壓能力，增加設(shè)備成本。制冷劑需有良好的電氣絕緣性。杭州液態(tài)制冷劑報(bào)價(jià)</p><p style="text-indent:25px">混合共沸制冷劑在空氣冷凝的前提下，蒸發(fā)溫度可以達(dá)到-150度左右。上海**制冷劑廠家</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)長時(shí)間工作,不*浪費(fèi)電力,也會(huì)縮短空調(diào)的使用壽命。上海**制冷劑廠家</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。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)備致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。冰仆冷暖設(shè)備始終關(guān)注化工行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2676941.html</p></div></div></div></div></div><div id="vtv4e14" class="page-right twoColRt"><div id="zuzpjdp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mluklyt" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="basrayv" class="recomPic likePro"><a 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