江蘇環(huán)保制冷劑一般加多少上海冰仆冷暖設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="常用制冷劑性質(zhì)：（1）氨：標(biāo)準(zhǔn)蒸發(fā)溫度為-33.4℃，凝固溫度為-77.7℃，壓力適中，單位容積制冷量大，流動阻力小，熱導(dǎo)率大。價格低廉對大氣臭氧層無破壞作用，故被較廣應(yīng)用在蒸發(fā)溫度-65℃以上的大中型制冷機(jī)中。缺點是毒性較大，可燃，可爆，"><meta name="keywords" content="江蘇環(huán)保制冷劑一般加多少,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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03:19:47</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="vn4v7hw" 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="a2uta7l" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zx4v4ku" class="box"><p><p style="text-indent:25px">常用制冷劑性質(zhì)：（1）氨：標(biāo)準(zhǔn)蒸發(fā)溫度為-33.4℃，凝固溫度為-77.7℃，壓力適中，單位容積制冷量大，流動阻力小，熱導(dǎo)率大。價格低廉對大氣臭氧層無破壞作用，故被較廣應(yīng)用在蒸發(fā)溫度-65℃以上的大中型制冷機(jī)中。缺點是毒性較大，可燃，可爆，有強(qiáng)烈刺激性臭味，等熵指數(shù)較大，對鋅銅有腐蝕作用。（2）氟利昂：重點分析熱水器發(fā)文時常用的，1）R22：對大氣臭氧層有輕微破壞作用，并產(chǎn)生溫室效應(yīng)，被列為第二批限用禁用的制冷劑。我國將在2040年1月1日起禁止生產(chǎn)和使用。R22是應(yīng)用較較廣的中溫制冷劑，沸點-40.8℃，凝固點-160℃，江蘇環(huán)保制冷劑一般加多少，無色，氣味弱，不燃燒，不，江蘇環(huán)保制冷劑一般加多少，屬安全制冷劑，江蘇環(huán)保制冷劑一般加多少。它與潤滑油部分互溶，需采取回油措施。碳?xì)渲评鋭┲饕枪?jié)能和環(huán)保這兩大優(yōu)點；江蘇環(huán)保制冷劑一般加多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇環(huán)保制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016028022792/6122002.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。氨對人體有較大的毒性，當(dāng)氨液飛濺到皮膚上時會引起凍著。當(dāng)空氣中氨蒸氣的容積達(dá)到0.5-0.6%時可引起。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，分解為氮和氫氣，氫氣與空氣中的氧氣混合后會發(fā)生。與空氣混合的體積分?jǐn)?shù)在11%-14%時即可燃燒。在16%-25%時遇明火可能。在0.5%-0.6%時，人在其中停留半小時就會中毒。氨極溶于水，0℃時每升水能溶解130升氨氣。一般規(guī)定液氨中含水量低于0.2%。江蘇環(huán)保制冷劑一般加多少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="江蘇環(huán)保制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016697905704/2303191.png"></div><p style="text-indent:25px">制冷劑性質(zhì)要求：（1）具有優(yōu)良的熱力學(xué)特性，以便能在給定的溫度區(qū)域內(nèi)運行時有較高的循環(huán)效率。具體要求為：臨界溫度高于冷凝溫度、與冷凝溫度對應(yīng)的飽和壓力不要太高、標(biāo)準(zhǔn)沸點較低、流體比熱容小、制冷劑絕熱指數(shù)低、單位容積制熱量較大等。（2）具有優(yōu)良的熱物理性能具體要求為：較高的傳熱系數(shù)、較低的粘度及較小的密度。（3）具有良好的化學(xué)穩(wěn)定性要求工質(zhì)在高溫下具有良好的化學(xué)穩(wěn)定性，保證在較高工作溫度下工質(zhì)不發(fā)生分解。（4）與潤滑油有良好互溶性。（5）安全性工質(zhì)應(yīng)無毒、無刺激性、無燃燒性及性。</p><p style="text-indent:25px">氨的比重和粘度小，放熱系數(shù)高，價格便宜，易于獲得。但是，氨有較強(qiáng)的毒性和可燃性。若以容積計，當(dāng)空氣中氨的含量達(dá)到0.5%～0.6%時，人在其中停留半個小時即可中毒，達(dá)到11%～13%時即可點燃，達(dá)到16%時遇明火就會。因此，氨制冷機(jī)房必須注意通風(fēng)排氣，并需經(jīng)常冰箱排除系統(tǒng)中的空氣及其它不凝性氣體。總上所述，氨作為制冷劑的優(yōu)點是：易于獲得、價格低廉、壓力適中、單位制冷量大、放熱系數(shù)高、幾乎不溶解于油、流動阻力小，泄漏時易發(fā)現(xiàn)。其缺點是：有刺激性臭味、有毒、可以燃燒和，對銅及銅合金有腐蝕作用。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="江蘇環(huán)保制冷劑一般加多少,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016639536523/2139311.png"></div><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0.2%。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。純氨對潤滑油無不良影響，但有水分時，會降低冷凍油的潤滑作用。氨在潤滑油中不易溶解，故要在裝置中設(shè)置油分離器，減少潤滑油進(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。純氨對鋼鐵無腐蝕作用，但當(dāng)氨中含有水分時將腐蝕銅和銅合金（磷青銅除外），故在氨制冷系統(tǒng)中對管道及閥件均不采用銅和銅合金。R410A制冷劑大量用于家用空調(diào)、小型商用空調(diào)、戶式中央空調(diào)等。江蘇環(huán)保制冷劑一般加多少</p><p style="text-indent:25px">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(jì)性、安全性及運行管理。江蘇環(huán)保制冷劑一般加多少</p><p style="text-indent:25px">R-134a制冷劑別名R134a、HFC134a、HFC-134a、四氟乙烷，商品名稱有SUVA 134a、Genetron 134a、KLEA 134a等，中文名稱四氟乙烷，英文名稱1,1,1,2-tetrafluoroethane，化學(xué)名1,1,1,2-- 四氟乙烷，分子式CH2FCF3。由于R-134a屬于HFC類物質(zhì)（非ODS物質(zhì)Ozone-depleting Substances）——因此完全不破壞臭氧層，是當(dāng)前世界絕大多數(shù)的各國認(rèn)可并推薦使用的環(huán)保制冷劑，也是目前主流的環(huán)保制冷劑，較廣用于新制冷空調(diào)設(shè)備上的初裝和維修過程中的再添加。R-134a作為使用較較廣的中低溫環(huán)保制冷劑，由于HFC-134a 良好的綜合性能，使其成為一種非常有效和安全的CFC-12的替代品，主要應(yīng)用于在使用 R-12（R12、氟利昂12、F-12、CFC-12、Freon 12、二氯二氟甲烷）制冷劑的多數(shù)領(lǐng)域江蘇環(huán)保制冷劑一般加多少</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，是一家貿(mào)易型公司。公司業(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)銷售等，價格合理，品質(zhì)有保證。公司從事化工多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。冰仆冷暖設(shè)備秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: 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