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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="mzavv8s" 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="yqhcc3a" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="n3w39j2" class="box"><p><p style="text-indent:25px">R142b制冷劑，沸點(diǎn)較高-9.25℃.凝固點(diǎn)-130.8℃較大特點(diǎn)是在很高的冷凝溫度下，冷凝壓力并不高。如80℃時(shí)只有1.35Mpa，因此它適合在熱泵裝置和高環(huán)境溫度下使用。對(duì)大氣臭氧層有微弱的破壞作用，也將在2040年禁用。R134a，沸點(diǎn)-26.5℃，凝固點(diǎn)-101℃，無色，無味，不燃，不爆，但與礦物性潤滑油不相溶，上海巨化制冷劑廠家，上海巨化制冷劑廠家，必須采用聚脂類合成油（如聚烯烴乙二醇），與丁腈橡膠不相溶，故密封件須改為聚丁腈橡膠，吸水性較強(qiáng)，易與水反映生成酸，腐蝕管絡(luò)及壓縮機(jī)，對(duì)系統(tǒng)干燥度要求更高，系統(tǒng)中的干燥劑要換成XH-7或XH-9分子篩。壓縮機(jī)電機(jī)線圈絕緣材料必須加強(qiáng)絕緣等級(jí)，上海巨化制冷劑廠家，是一種不太成熟的制冷劑。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。上海巨化制冷劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海巨化制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016630073583/4612161.png"></div><p style="text-indent:25px">制冷劑命名方法：(1)無機(jī)化合物，無機(jī)化合物的簡寫符號(hào)規(guī)定為R7()。括號(hào)表示一組數(shù)字，這組數(shù)字是該無機(jī)物分子量的整數(shù)部分。(2)鹵代烴和烷烴類，烷烴類化合物的分子通式為CmH2m 2；鹵代烴的分子通式為CmHnFxClyBrz(2m 2 = n x y z)，它們的簡寫符號(hào)規(guī)定為R(m-1)(n 1)(x)B(z)。下圖為一些制冷劑的符號(hào)舉例。(3)非共沸混合制冷劑，非共沸混合制冷劑的簡寫符號(hào)為R4()。括號(hào)表示一組數(shù)字，這組數(shù)字為該制冷劑命名的先后順序號(hào)，從00開始。(4)共沸混合制冷劑，共沸混合制冷劑的簡寫符號(hào)為R5()。括號(hào)表示一組數(shù)字，這組數(shù)字為該制冷劑命名的先后順序號(hào)，從00開始。(5)環(huán)烷烴、鏈烯烴以及它們的鹵代物。寫符號(hào)規(guī)定：環(huán)烷烴及環(huán)烷烴的鹵代物用字母“RC”開頭，鏈烯烴及鏈烯烴的鹵代物用字母“R1”開頭。(6)有機(jī)制冷劑則在600序列任意編號(hào)。上?；裟犴f爾制冷劑多少錢制冷劑在南方一些地區(qū)俗稱雪種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海巨化制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016101733733/5140658.png"></div><p style="text-indent:25px">R-408A 制冷劑的物化性能：R408A制冷劑是由R22, R125, R143a 組成的混配制冷工質(zhì)，在常溫下為無色氣體，分子量 87.01，沸點(diǎn)-44.4℃，臨界溫度 83.8℃，臨界壓力4.42MPa，破壞臭氧潛能值（ODP）0.016。主要用途：R408A制冷劑主要用于替代R502。產(chǎn)品包裝：鋼瓶包裝，10.9kg/瓶。R-409A 制冷劑物化性能：R409A由HCFC-22,HCFC-124和HCFC-142b混合而成，在常溫下為無色氣體。分子量97.4，沸點(diǎn) -34.5℃，臨界溫度106.8℃，臨界壓力4.69MPa，破壞臭氧潛能值（ODP）0.039。主要用途：R409A是R12的替代品，主要用于制冷系統(tǒng)。產(chǎn)品包裝：鋼瓶包裝，13.6kg/瓶。</p><p style="text-indent:25px">壓縮法回收：用壓縮的方法將制冷劑蒸發(fā)變成液體：從空調(diào)系統(tǒng)排出的制冷劑通過過濾干燥器，除去水分和雜質(zhì)，受吸氣壓力調(diào)節(jié)控制閥，部分液態(tài)制冷劑存留在儲(chǔ)液罐中，氣態(tài)制冷劑進(jìn)入壓縮機(jī)被壓縮成高溫高壓氣體，通過分油器時(shí)，與制冷劑混合的冷凍潤滑油被分離出來，流回壓縮機(jī)，制冷劑則進(jìn)入冷凝器被冷卻，通過氣液分離器，被冷凝的液態(tài)制冷劑流到回收容器，回收容器中的部分氣態(tài)制冷劑會(huì)通過毛細(xì)管被壓縮機(jī)吸入。抽真空是為了排除制冷系統(tǒng)內(nèi)的空氣和水氣，是空調(diào)維修中一項(xiàng)極為重要的程序。因?yàn)閷?duì)制冷系統(tǒng)進(jìn)行維修或更換元件時(shí)，空氣會(huì)進(jìn)入系統(tǒng)，且空氣中含有一定量的水蒸氣(濕空氣)。系統(tǒng)抽真空時(shí)，時(shí)間越長，系統(tǒng)內(nèi)殘余的水分就越少。為較大限度地將系統(tǒng)內(nèi)的空氣及濕氣抽出，必須采用重復(fù)抽真空法，即首先次抽真空完畢后，再連續(xù)抽30min以上。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="上海巨化制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017250659526/928915.png"></div><p style="text-indent:25px">根據(jù)對(duì)國內(nèi)外大中型冷庫制冷劑使用情況的調(diào)研，分析了大中型冷庫制冷劑的現(xiàn)狀。根據(jù)國際上較新的文獻(xiàn)，評(píng)論了冷庫制冷劑應(yīng)用的發(fā)展新動(dòng)向。結(jié)果表明：在國內(nèi)外大中型冷庫中，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?。在間接制冷系統(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。對(duì)制冷劑性質(zhì)要求的了解是不容忽視的。上海霍尼韋爾制冷劑多少錢</p><p style="text-indent:25px">R404A 制冷劑常溫常壓下為無色氣體，貯存在鋼瓶內(nèi)是被壓縮的液化氣體。上海巨化制冷劑廠家</p><p style="text-indent:25px">我國正在深入推進(jìn)去產(chǎn)能，加快有限責(zé)任公司企業(yè)退出，建立健全落后產(chǎn)能退出機(jī)制，其中石化行業(yè)是去產(chǎn)能政策落實(shí)的重要一環(huán)。應(yīng)積極推動(dòng)國內(nèi)高校、科研機(jī)構(gòu)、社團(tuán)組合、貿(mào)易型企業(yè)、化工園區(qū)聯(lián)合建立行業(yè)自律組合，通過優(yōu)化的關(guān)系網(wǎng)絡(luò)、技術(shù)支持，提高企業(yè)管理水平，開展行業(yè)自律監(jiān)督。批發(fā)主要是無定型的粉劑、液體和膏狀產(chǎn)品。從市場(chǎng)地域上來看，中國是世界上極大的建筑化學(xué)品市場(chǎng)，其次是西歐和北美，這三大市場(chǎng)占全球總市場(chǎng)的70%。為了推動(dòng)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)銷售開發(fā)和產(chǎn)品升級(jí)，搶占世界制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售發(fā)展的制高點(diǎn)，必須對(duì)產(chǎn)品多功能化給予高度的重視。上海巨化制冷劑廠家</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司一直專注于銷售: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、汽車配件，機(jī)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(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、汽車配件，機(jī)械配件、五金電器、焊接工具。，是一家化工的企業(yè)，擁有自己**的技術(shù)體系。公司目前擁有專業(yè)的技術(shù)員工，為員工提供廣闊的發(fā)展平臺(tái)與成長空間，為客戶提供高質(zhì)的產(chǎn)品服務(wù)，深受員工與客戶好評(píng)。上海冰仆冷暖設(shè)備有限公司主營業(yè)務(wù)涵蓋制冷劑廠家直銷，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，堅(jiān)持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。一直以來公司堅(jiān)持以客戶為中心、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)銷售市場(chǎng)為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2024318.html</p></div></div></div></div></div><div id="rjkqcdj" class="page-right twoColRt"><div id="oqrn8nw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gofgzup" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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