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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="e7ykr2w" class="twoCol"><div id="wyz23lc" 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>?霍尼韋爾R22供應(yīng) 上海冰仆冷暖設(shè)備供應(yīng)</p><div id="wqszlkl" class="leftbox clearfix"><h1>霍尼韋爾R22供應(yīng) 上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="39ofmdz" class="proBig"><div id="h3wikri" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401015992475942/9194265.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="odfwdu7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401015992475942/9194265.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7s878j7" 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>霍尼韋爾R22供應(yīng),制冷劑</p><p><span>***更新：</span>2021-02-05 06:19:10</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tmtvm8c" 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(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="w4j8vmt" class="page-proshow02"><p class="title">詳細說明</p><div id="fkryah2" class="box"><p><p style="text-indent:25px">制冷劑充入量的準(zhǔn)確判斷方法：測重量，霍尼韋爾R22供應(yīng)。在充注氟利昂時,事先準(zhǔn)備一個小臺秤，將制冷劑鋼瓶放入一個容器中，再在容器中注入40℃以下的冷水(適用于空調(diào)器的低壓充注制冷劑蒸汽)。充注前記下鋼瓶、溫水及容器的重量，在充注過程中注意觀察指針。當(dāng)鋼瓶內(nèi)制冷劑的減少量等于所需要的充注量時可停止充注。測工作電流。用鉗型電流表測工作電流，制冷時，霍尼韋爾R22供應(yīng)，環(huán)境溫度35℃，所測得的工作電流與銘牌上電流相對應(yīng)，霍尼韋爾R22供應(yīng)。溫度越高，電流相應(yīng)增大，溫度越低電流相應(yīng)減少。在風(fēng)機正常、兩器散熱號的情況下按空調(diào)器工況測電流值作比較。對制冷劑性質(zhì)要求的了解是不容忽視的?；裟犴f爾R22供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="霍尼韋爾R22供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401015992475942/9194265.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(zhǔn)確度不高。金冷R134a要多少錢制冷劑需較高的傳熱系數(shù)、較低的粘度及較小的密度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="霍尼韋爾R22供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017286098980/8917334.png"></div><p style="text-indent:25px">向制冷系統(tǒng)中加入氮氣，然后用肥皂液檢漏。若有泄漏，泄漏處會出現(xiàn)肥皂泡。采用壓力檢漏時，嚴禁用壓縮空氣進行檢漏，因為壓縮空氣中含有水分，水分隨空氣進入后會在膨脹閥處產(chǎn)生冰堵。工業(yè)氮氣無腐蝕性、無水分，且價格便宜，但瓶裝高壓氮氣一定要用減壓表加注。加壓試漏時，首先應(yīng)正確連接歧管壓力計：高壓軟管接在排氣管道上(高壓側(cè))，低壓軟管接在吸氣管道上(低壓側(cè))。將軟管連接在壓縮機的高、低壓檢修閥上，打開高、低壓檢修閥，向系統(tǒng)中加入干燥氮氣其壓力一般應(yīng)為1.5MPa左右。當(dāng)系統(tǒng)達到規(guī)定壓力后，用肥皂液涂在系統(tǒng)的各連接處和焊接處，仔細觀察有無泄漏。泄漏大的地方有微小聲音，并出現(xiàn)大泡沫，泄漏小的地方，則間斷出現(xiàn)小泡沫，所以檢漏必須仔細，并反復(fù)檢查3～5次，發(fā)現(xiàn)泄漏處應(yīng)作出記號并及時加以修復(fù)，然后再去試漏其他接頭處，直至泄漏徹底排除。修漏完畢，應(yīng)試漏，讓系統(tǒng)保壓24～48h，若壓力不降低，則試漏合格，倘若壓力有明顯降低，必須重新進行檢漏，直到找出泄漏處并加以排除為止。</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，氨有較強的毒性和可燃性。若以容積計，當(dāng)空氣中氨的含量達到0.5%～0.6%時，人在其中停留半個小時即可中毒，達到11%～13%時即可點燃，達到16%時遇明火就會。因此，氨制冷機房必須注意通風(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?？偵纤觯弊鳛橹评鋭┑膬?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。R134a 是目前國際公認的替代 CFC-12 的主要制冷工質(zhì)之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="霍尼韋爾R22供應(yīng),制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016816089362/2230040.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(biāo)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。非共沸制冷劑在定壓下氣化或液化過程中，蒸汽成分與溶液成分不斷變化，對應(yīng)的溫度也不斷變化。金冷R134a要多少錢</p><p style="text-indent:25px">制冷劑在冷凝器中將熱量傳遞給周圍空氣或水而冷凝?；裟犴f爾R22供應(yīng)</p><p style="text-indent:25px">制冷劑需有良好的電氣絕緣性。經(jīng)濟性，要求工質(zhì)低廉，易于獲得。環(huán)保性，要求工質(zhì)的臭氧消耗潛能值（ODP）與全球變暖潛能值（GWP）盡可能小，以減小對大氣臭氧層的破壞及引起全球氣候變暖。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，在氣化或液化過程中，蒸汽成分與溶液成分始終保持相同；在既定壓力下，發(fā)生相變時對應(yīng)的溫度保持不變。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。在定壓下氣化或液化過程中，蒸汽成分與溶液成分不斷變化，對應(yīng)的溫度也不斷變化?；裟犴f爾R22供應(yīng)</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)易型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在化工深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造化工良好品牌。冰仆冷暖設(shè)備憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3170634.html</p></div></div></div></div></div><div id="mp7ws87" class="page-right twoColRt"><div id="fo9cegn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vk4jgsj" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="au9tk3e" class="recomPic likePro"><a 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