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href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="7vdrnjv" class="twoCol"><div id="dz7v9rf" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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(xì)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>?杭州**制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</p><div id="vxjvbvt" class="leftbox clearfix"><h1>杭州**制冷劑廠家上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="htrxlr9" class="proBig"><div id="9pl7bpd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016714565769/261780.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fbzvtpd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016714565769/261780.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xjxtrdz" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>杭州**制冷劑廠家,制冷劑</p><p><span>***更新：</span>2020-11-12 04:26:00</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="blbzf7j" 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="t9zvbpl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lxt7fd7" class="box"><p><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，無色氣體，杭州**制冷劑廠家，杭州**制冷劑廠家，貯存在鋼瓶?jī)?nèi)是被壓縮的液化氣體，杭州**制冷劑廠家。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。制冷劑與潤(rùn)滑油需有良好互溶性。杭州**制冷劑廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016714565769/261780.png"></div><p style="text-indent:25px">我國(guó)冷藏企業(yè)中，尤其是中小企業(yè)，許多未配備針對(duì)氨制冷劑的防護(hù)設(shè)備，缺乏有關(guān)制冷系統(tǒng)故障的應(yīng)急處理預(yù)案。冷庫(kù)安全問題必須引起企業(yè)和管理部門的高度重視。在國(guó)內(nèi)外大中型冷庫(kù)中，目前采用氨制冷劑是主流，今后氨仍然將是主要制冷劑。采用氨制冷劑關(guān)鍵是安全問題，應(yīng)該采取足夠的防護(hù)措施，保證操作人員安全和公共安全。根據(jù)國(guó)外**的評(píng)估，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。蒸發(fā)溫度在-35℃以下，采用CO2與氨復(fù)疊式制冷，不*可以降低初次投入、提高效率，而且較大減少了系統(tǒng)的充氨量、提高了食品冷加工企業(yè)的安全系數(shù)。蘇州科慕制冷劑管道R404A是一種不含氯的非共沸混合制冷劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016854712184/7560085.png"></div><p style="text-indent:25px">制冷劑的排放一般指直接把制冷劑排放到空氣中，排放時(shí)，周圍環(huán)境一定要通風(fēng)良好，不能接近明火，否則要產(chǎn)生有毒氣體。1，關(guān)閉歧管壓力計(jì)上的高，低壓手動(dòng)閥，連接其高，低壓軟管分別接在壓縮機(jī)高，低壓檢修閥上，中間管的自由端放在工作擦布上。2，慢慢打開高壓手動(dòng)閥，讓制冷劑從中間軟管上排出，閥門不能開得太大，否則壓縮機(jī)內(nèi)的冷凍潤(rùn)滑油會(huì)隨制冷劑替代。3，當(dāng)壓力表讀數(shù)降到0.35MPa以下時(shí)，再慢慢打開手動(dòng)閥，使制冷劑從高，低壓雙向同時(shí)排出。4，觀察壓力表讀數(shù)，隨著壓力下降，逐漸開大高，低壓手動(dòng)閥，直至高，低壓表的讀數(shù)指示為零。</p><p style="text-indent:25px">C02應(yīng)用研究的一個(gè)重要領(lǐng)域是熱泵熱水器（HPWH）。C02跨臨界循環(huán)中氣體冷卻器所具有的較高的排氣溫度，較大的溫度滑移和冷卻介質(zhì)的溫升過程相匹配，使其在熱泵循環(huán)方面具有獨(dú)特的優(yōu)勢(shì)。通過調(diào)整循環(huán)的排氣壓力，可使氣體冷卻器的排熱過程較好適應(yīng)外部熱源的溫度和溫升需要。研究結(jié)果表明，當(dāng)用環(huán)境空氣作熱源，0℃環(huán)境進(jìn)水溫度8℃，熱水出水溫度為60℃時(shí)，該系統(tǒng)COP值高達(dá)4.3.一個(gè)更大優(yōu)點(diǎn)是毫無困難的產(chǎn)出90℃的熱水COP值仍較高。而普通的熱泵熱水器限制產(chǎn)水溫度在55℃以下。因而C02熱泵系統(tǒng)可較好的滿足采暖，空調(diào)和生活熱水的加熱要求。C02作為制冷工質(zhì)在熱泵中的應(yīng)用將有效的解決空調(diào)冷熱源面臨的資源與環(huán)境壓力，應(yīng)用前景良好。R404A 制冷劑常溫常壓下為無色氣體，貯存在鋼瓶?jī)?nèi)是被壓縮的液化氣體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州**制冷劑廠家,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016836011058/5056076.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)，也可以用來配置其他混合致冷劑，如 R 404a 和 R 407c 等。制冷劑在蒸發(fā)器內(nèi)吸收被冷卻介質(zhì)（水或空氣等）的熱量而汽化。蘇州科慕制冷劑管道</p><p style="text-indent:25px">R12是我國(guó)中小型制冷裝置中使用較為較廣的中壓中溫制冷劑。杭州**制冷劑廠家</p><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(duì)潤(rùn)滑油無不良影響，但有水分時(shí)，會(huì)降低冷凍油的潤(rùn)滑作用。氨在潤(rùn)滑油中不易溶解，故要在裝置中設(shè)置油分離器，減少潤(rùn)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(duì)鋼鐵無腐蝕作用，但當(dāng)氨中含有水分時(shí)將腐蝕銅和銅合金（磷青銅除外），故在氨制冷系統(tǒng)中對(duì)管道及閥件均不采用銅和銅合金。杭州**制冷劑廠家</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司是一家貿(mào)易型類企業(yè)，積極探索行業(yè)發(fā)展，努力實(shí)現(xiàn)產(chǎn)品創(chuàng)新。公司是一家有限責(zé)任公司企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、專業(yè)的管理團(tuán)隊(duì)、踏實(shí)的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。以滿足顧客要求為己任；以顧客永遠(yuǎn)滿意為標(biāo)準(zhǔn)；以保持行業(yè)優(yōu)先為目標(biāo)，提供***的制冷劑廠家直銷，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。冰仆冷暖設(shè)備將以真誠(chéng)的服務(wù)、創(chuàng)新的理念、***的產(chǎn)品，為彼此贏得全新的未來！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1954023.html</p></div></div></div></div></div><div id="9jftp7z" class="page-right twoColRt"><div id="nzd7hnz" class="box01 margin10 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