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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>大金制冷劑有哪些,制冷劑</p><p><span>***更新：</span>2021-01-07 07:19:19</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nvc2yug" 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="2yhoaro" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="uhjqhtq" class="box"><p><p style="text-indent:25px">目前使用的制冷劑已達(dá)70～80種，并正在不斷發(fā)展增多。但用于食品工業(yè)和空調(diào)制冷的*十多種。氨（代號(hào)：R717）：氨是目前使用較為較廣的一種中壓中溫制冷劑。氨的凝固溫度為-77.7℃，標(biāo)準(zhǔn)蒸發(fā)溫度為－33.3℃，在常溫下冷凝壓力一般為1.1～1.3MPa，即使當(dāng)夏季冷卻水溫高達(dá)30℃時(shí)也絕不可能超過(guò)1.5MPa。氨的單位標(biāo)準(zhǔn)容積制冷量大約為520kcal/m3。氨有很好的吸水性，即使在低溫下水也不會(huì)從氨液中析出而凍結(jié)，故系統(tǒng)內(nèi)不會(huì)發(fā)生“冰塞”現(xiàn)象，大金制冷劑有哪些。氨對(duì)鋼鐵不起腐蝕作用，但氨液中含有水分后，大金制冷劑有哪些，對(duì)銅及銅合金有腐蝕作用，大金制冷劑有哪些，且使蒸發(fā)溫度稍許提高。幾種制冷劑在空調(diào)中變得很普遍。大金制冷劑有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017156089350/1981813.png"></div><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(rùn)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，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(guó)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(lái)配置其他混合致冷劑，如 R 404a 和 R 407c 等。杭州梅蘭制冷劑廠家目前使用的制冷劑已達(dá)70～80種，并正在不斷發(fā)展增多。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017480278643/8413208.png"></div><p style="text-indent:25px">冰箱如果其它方面都正常運(yùn)行但是卻不制冷很有可能就是缺乏制冷劑了，冰箱的制冷劑是實(shí)現(xiàn)制冷的基礎(chǔ)，如果想要讓冰箱重新發(fā)揮制冷作用，就需要添加制冷劑，現(xiàn)在咱們就來(lái)給大家講解一下冰箱制冷劑吧。制冷劑應(yīng)該怎么添加呢？冰箱添加制冷劑必須熟悉冰箱的結(jié)構(gòu)，如果熟悉了冰箱的結(jié)構(gòu)就可以輕松的給冰箱添加制冷劑了。首先是切斷電源，讓冰箱的全部系統(tǒng)停下來(lái)，過(guò)一段時(shí)間之后再進(jìn)行下一步，防止意外的發(fā)生。然后就是連接系統(tǒng)的時(shí)候注意先關(guān)閉高低壓閥門，再把系統(tǒng)高低壓連接并且鎖緊，接上注上接口連接真空泵之后就可以進(jìn)行系統(tǒng)抽真空了步驟了。</p><p style="text-indent:25px">消耗臭氧的化合物，除了用于雪種，還被用于氣溶膠推進(jìn)劑、發(fā)泡劑、電子器件生產(chǎn)過(guò)程中的清洗劑。長(zhǎng)壽命的含溴化合物，如哈龍（Haion)滅火劑，也對(duì)臭氧的消耗起很大作用。氯原子和一氧化氮（NO）都能與臭氧反應(yīng)，正在世界大量生產(chǎn)和使用CFCs由于制冷劑其化學(xué)穩(wěn)定性好（如CFC12的大氣壽命為102年）不易在對(duì)流層分解，通過(guò)大氣環(huán)流進(jìn)入臭氧層所在的平流層，在短波紫外線UV-C的照射下，分解出CI 自由基，參與了對(duì)臭氧的消耗。歸納起來(lái)，要使臭氧發(fā)生消耗，這種物質(zhì)必須具備兩個(gè)特征：含氯、溴或另一種相似的原子參與臭氧變氧的化學(xué)反應(yīng)；20世紀(jì)30年代，一系列鹵代烴制冷劑相繼出現(xiàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="大金制冷劑有哪些,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016630073583/4612161.png"></div><p style="text-indent:25px">R-404A制冷劑物化特性：R404A是一種不含氯的非共沸混合制冷劑，常溫常壓下為無(wú)色氣體，貯存在鋼瓶?jī)?nèi)是被壓縮的液化氣體。其 ODP 為 0 ，因此R404A是不破壞大氣臭氧層的環(huán)保制冷劑。主要用途：R404A 主要用于替代 R22 和 R502 ，具有清潔、低毒、不燃、制冷效果好等特點(diǎn)，大量用于中低溫冷凍系統(tǒng)。R-410A制冷劑物化特性：常溫常壓下， R410A 是一種不含氯的氟代烷非共沸混合制冷劑，無(wú)色氣體，貯存在鋼瓶?jī)?nèi)是被壓縮的液化氣體。其 ODP 為 0 ，因此R410A是不破壞大氣臭氧層的環(huán)保制冷劑。主要用途：大量用于家用空調(diào)、小型商用空調(diào)、戶式中央空調(diào)等。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。大金制冷劑有哪些</p><p style="text-indent:25px">制冷劑在低溫下吸取被冷卻物體的熱量。大金制冷劑有哪些</p><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(wú)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?，較起碼蒸發(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(guò)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。大金制冷劑有哪些</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司主要經(jīng)營(yíng)范圍是化工，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。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)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在化工深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造化工良好品牌。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(lái)源地址: http://www.cdcfah.com/cp/2741348.html</p></div></div></div></div></div><div id="ha2myam" class="page-right twoColRt"><div id="7xubn22" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vikri44" 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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