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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jhvdbzx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016816089362/2230040.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="5fpndj3" 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>液態(tài)制冷劑供應(yīng),制冷劑</p><p><span>***更新：</span>2020-11-15 04:24:12</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="pvzpvbh" 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="bbzpxnb" class="page-proshow02"><p class="title">詳細說明</p><div id="tbrhxvj" class="box"><p><p style="text-indent:25px">R-124（一氯四氟乙烷）制冷劑物化性質(zhì)：一氯四氟乙烷CHClFCF3，HCFC-124（R124），分子量136.5，沸點-10.95℃，液態(tài)制冷劑供應(yīng)，臨界溫度122.25℃，臨界壓力3.613MPa，破壞臭氧潛能值（ODP）為0.02，全球變暖潛能值(GWP，100 yr)為0.10。主要用途：HCFC-124（R124）主要用作制冷劑、滅火劑，是混合工質(zhì)的重要組分，可替代 CFC-114。產(chǎn)品包裝：鋼瓶包裝，13.6kg/瓶。 R-141b（二氯一氟乙烷）制冷劑物化性質(zhì)：二氯一氟乙烷CH3CCl2F，HCFC-141b，分子量116.95，沸點32.05℃，臨界溫度204.5℃，臨界壓力4.25MPa，破壞臭氧潛能值（ODP）為0.11，全球變暖潛能值(GWP，100 yr)為0.09。主要用途：該產(chǎn)品可替代 CFC-11 作硬質(zhì)聚氨酯泡沫塑料的發(fā)泡劑，液態(tài)制冷劑供應(yīng)，液態(tài)制冷劑供應(yīng)，替代 CFC-113 作清洗劑，也用于作制冷劑。產(chǎn)品包裝：鋼桶包裝，20kg/桶，250kg/桶。制冷劑在較高溫度下轉(zhuǎn)移給冷卻水或空氣。液態(tài)制冷劑供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="液態(tài)制冷劑供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016816089362/2230040.png"></div><p style="text-indent:25px">制冷劑冷卻法回收：使制冷劑蒸氣冷卻液化，可使用干冰等使制冷劑冷卻，液化后回收，此法適宜于干凈的制冷劑。冷卻法有一套**的冷凍循環(huán)系統(tǒng)，回收容器內(nèi)的制冷劑在蒸發(fā)器中冷凝成液體。從汽車空調(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)；通過分油器除去制冷劑中的潤滑油，進入回收容器。對于制冷劑純度要求不太嚴格的場合，被回收的制冷劑可重新加注到制冷系統(tǒng)。真空檢漏：用真空泵進行，真空度應(yīng)達到0.1MPa，保持24h內(nèi)真空度沒有明顯升高即可。抽真空用于抽出系統(tǒng)中殘留的氮氣、檢查系統(tǒng)有無泄漏以及使系統(tǒng)干燥。只有在系統(tǒng)抽真空后才能加注制冷劑。外觀檢漏：制冷劑泄漏部位往往會滲出冷凍潤滑油，若發(fā)現(xiàn)在某處有油污滲出，可進一步用清潔的白紙擦拭或用手直接觸摸檢查。如仍有油冒出，則可能有泄漏。東岳R407C制冷劑的性質(zhì)直接關(guān)系到制冷裝置的制冷效果、經(jīng)濟性、安全性及運行管理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="液態(tài)制冷劑供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017465835321/3382878.png"></div><p style="text-indent:25px">在氣體壓縮式制冷機中，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；蒸汽噴射式制冷機用水作為制冷劑。制冷劑的主要技術(shù)指標有飽和蒸氣壓強、比熱、粘度、導(dǎo)熱系數(shù)、表面張力等。1960年以后，人們對非共沸混合工質(zhì)的應(yīng)用進行了大量的試驗研究，并已將其用于天然氣的液化和分離等方面。</p><p style="text-indent:25px">制冷劑選擇具體要求：單位容積制冷量大?？梢詼p少壓縮機輸氣量。粘度和密度小。減少系統(tǒng)中流動阻力損失。熱導(dǎo)率高。可以提高換熱器的傳熱系數(shù)，減少換熱設(shè)備的傳熱面積降低材料消耗。不燃燒，不，無毒。對金屬材料不腐蝕，對潤滑油不發(fā)生化學(xué)作用，高溫下不分解。等熵指數(shù)小?？山档团艢鉁囟?，減少壓縮過程耗功，有利安全運行和提高使用壽命。凝固溫度低。避免在蒸發(fā)溫度下出現(xiàn)凝固。具有良好的絕緣性能。價格低易獲得。單位容積壓縮功小。目前，完全滿足要求的制冷劑還未發(fā)現(xiàn)。但選擇時，可以根據(jù)用途使用條件等加以各方面考量。如小型封閉壓縮機家用裝置，多選用氟制冷劑。大型工業(yè)制冷多選用氨，石油化工多選用碳氫化合物。氨作為制冷劑有刺激性臭味、有毒、可以燃燒和，對銅及銅合金有腐蝕作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="液態(tài)制冷劑供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016739995559/6821260.png"></div><p style="text-indent:25px">制冷劑飽和蒸氣的溫度與壓力呈對應(yīng)關(guān)系，若已知制冷劑的蒸發(fā)溫度即可查出相對應(yīng)的蒸發(fā)壓力。此壓力的表壓值由高、低壓壓力表顯示出來。因此，根據(jù)安裝在系統(tǒng)上壓力表的壓力值即可判斷制冷劑的充注量是否宜適。例如：空調(diào)器的蒸發(fā)溫度為7.2℃，冷凝溫度為54.5℃使用R22。查R22的飽和溫度與飽和壓力對應(yīng)表，以確定其蒸發(fā)壓力值和冷凝壓力值。查表可知：R22在7.2℃時相應(yīng)相對壓力值為0.53Mpa(5.3kg/cm2)和54.5℃時的相應(yīng)相對壓力值為2.11Mpa(21.1kg/cm2)，將此壓力換算為表壓值即可。用高、低壓壓力表或復(fù)合式壓力表測試充氟中的制冷系統(tǒng)，若高、低壓力表表壓值符合上述范圍即表明制冷劑的充注量合適;若高、低壓壓力均低則表明充入量不夠;若高、低壓壓力均高，則表明充入量過多。壓力測定法較為簡便，在維修時經(jīng)常作用，但是缺點是比較粗，準確度不高。碳氫制冷劑屬于天然工質(zhì)，因此對大氣無污染、對臭氧層無破壞和溫室效應(yīng)幾乎為零。蘇州霍尼韋爾制冷劑哪家好</p><p style="text-indent:25px">碳氫制冷劑主要是節(jié)能和環(huán)保這兩大優(yōu)點；液態(tài)制冷劑供應(yīng)</p><p style="text-indent:25px">化工工業(yè)在各國的國民經(jīng)濟中占有重要地位，是許多大國的基礎(chǔ)產(chǎn)業(yè)和支柱產(chǎn)業(yè)，化學(xué)工業(yè)的發(fā)展速度和規(guī)模對社會經(jīng)濟的各個領(lǐng)域有著直接影響。雖然近年來我國化工行業(yè)整體規(guī)模飛速壯大，但有限責任公司企業(yè)競爭力、收入能力、人均收入等方面指標與發(fā)達地區(qū)差距較大，在人均收入等部分指標上我國部分企業(yè)不足全球優(yōu)先企業(yè)的1/10。加快提升企業(yè)重點競爭力，培育具有競爭優(yōu)勢的企業(yè)和企業(yè)集團，是我國化工產(chǎn)業(yè)必須要下大力氣補齊的短板。建議加快培育創(chuàng)新型企業(yè)，通過各種手段支持企業(yè)建立工程技術(shù)中心等研發(fā)機構(gòu)，著力帶領(lǐng)自主創(chuàng)新制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售產(chǎn)業(yè)化項目。貿(mào)易型的優(yōu)化有力地拉動了化工產(chǎn)業(yè)的市場需求，產(chǎn)業(yè)總體規(guī)模迅速擴大，領(lǐng)域不斷拓展、結(jié)構(gòu)逐步調(diào)整、整體水平有較大提升，運行質(zhì)量和效益進一步提高。液態(tài)制冷劑供應(yīng)</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，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。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)備始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。冰仆冷暖設(shè)備始終關(guān)注化工市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1996229.html</p></div></div></div></div></div><div id="d3nbbz7" class="page-right twoColRt"><div id="rl3xv5l" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l3zxnjp" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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