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href="http://www.cdcfah.com/cp/third-gyrhy_ldjy/">冷凍機(jī)油</a>?開利PP23BZ101 上海冰仆冷暖設(shè)備供應(yīng)</p><div id="bl2gi7r" class="leftbox clearfix"><h1>開利PP23BZ101 上海冰仆冷暖設(shè)備供應(yīng)</h1><div id="gqas3a7" class="proBig"><div id="lzw7lnp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401018749751344/3053625.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="shu77zj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401018749751344/3053625.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3xbxum8" 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>開利PP23BZ101,冷凍油</p><p><span>***更新：</span>2020-12-02 03:22:41</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rvhp2g2" 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="f8p2v28" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xbiaxov" class="box"><p><p style="text-indent:25px">冷凍油開始析出石蠟(油變混濁)時(shí)的溫度稱為濁點(diǎn)，當(dāng)有制冷劑存在時(shí)，冷凍機(jī)油的濁點(diǎn)會下降。此外，全封閉和半封閉制冷機(jī)對冷凍機(jī)油的電擊穿電壓有一定的要求，一般要求在25kV以上。冷凍機(jī)油混用，幾種不同牌號的冷凍機(jī)油混合使用時(shí)，會造成冷凍機(jī)油的粘度降低，甚至?xí)茐挠湍さ男纬?，使軸承受到損害；如果兩種冷凍機(jī)油中，含有不同性質(zhì)的抗氧化添加劑，混合在一起時(shí)，就有可能產(chǎn)生化學(xué)變化，開利PP23BZ101，形成沉淀物，使壓縮機(jī)的潤滑受到影響，故使用時(shí)要注意。冷凍機(jī)油中有雜質(zhì)。為保護(hù)臭氧層，開利PP23BZ101，國際上對空調(diào)設(shè)備的制冷劑都做了限制，開利PP23BZ101，出現(xiàn)了各種替代制冷劑，其冷凍油也相應(yīng)發(fā)生了變化。開利PP23BZ101</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="開利PP23BZ101,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018749751344/3053625.png"></div><p style="text-indent:25px">可以根據(jù)一下幾個(gè)方面選擇冷凍機(jī)油：1、根據(jù)壓縮類型選用潤滑油，冷凍機(jī)的壓縮機(jī)有活塞式、螺桿式和離心式三種，前兩種的潤滑油與被壓縮的制冷劑直接接觸，要考慮到潤滑油和制冷劑之間的相互影響問題。離心式所用的潤滑油只是用來潤滑轉(zhuǎn)子軸承，也可根據(jù)負(fù)荷及轉(zhuǎn)速的大小選用。2、根據(jù)制冷劑的類型選用潤滑油，與制冷劑直接接觸的潤滑油，要考慮二者之間的相互影響。如氟里昂一類的制冷劑能溶于礦物油，因而選用的潤滑油粘度等級，應(yīng)比使用不溶性制冷劑的高一個(gè)等級，以防止?jié)櫥捅幌♂尯蟛荒鼙ＷC潤滑。另外，還應(yīng)注意混入制冷劑中的少量潤滑油會不會影響制冷系統(tǒng)的工作。冷凍機(jī)油的絮凝點(diǎn)便是檢查混入制冷劑中的潤滑油是否析出蠟結(jié)晶而使制冷系統(tǒng)堵塞的質(zhì)量指標(biāo)。開利PP23BZ101冷凍油油壓大小依據(jù)壓縮機(jī)的結(jié)構(gòu)而定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="開利PP23BZ101,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018741841162/2007540.png"></div><p style="text-indent:25px">壓縮機(jī)的冷凍油更換周期：一般每運(yùn)轉(zhuǎn)10000小時(shí)須檢查或更換一次潤滑油，且首先次運(yùn)轉(zhuǎn)后，2500小時(shí)建議更換一次潤滑油并清洗機(jī)油過濾器。因系統(tǒng)組裝的殘?jiān)谡竭\(yùn)轉(zhuǎn)后都會累積至壓縮機(jī)中。所以2500小時(shí) (或3個(gè)月) 應(yīng)更換一次潤滑油，爾后再依系統(tǒng)清潔度狀態(tài)定時(shí)更換，若系統(tǒng)清潔度佳，可每10000小時(shí) (或每年) 更換一次。壓縮機(jī)排氣溫度若長期維持在高溫狀態(tài)，則潤滑油劣化進(jìn)度很快，需要定期（每2 個(gè)月）檢查潤滑油化學(xué)特性，不合格時(shí)即更換。更換冷凍油并作內(nèi)部清理：冷凍油排除干凈且壓縮機(jī)內(nèi)外壓力平衡后，用內(nèi)六角扳手將法蘭螺栓松脫，拆出機(jī)油過濾器接頭和清結(jié)孔法蘭（或油位開關(guān)法蘭）后，將壓縮機(jī)油槽內(nèi)的污染物去除干凈，并檢查機(jī)油過濾器孔網(wǎng)是否有破損，并將其上的油泥、污染物等吹除，或更換新的機(jī)油過濾器，注意換新時(shí)過濾器接口螺母要旋緊，做好密封，防止內(nèi)漏；機(jī)油過濾器接頭內(nèi)襯墊一定要換新，防止內(nèi)漏；其他法蘭襯墊也建議更新。</p><p style="text-indent:25px">為保護(hù)臭氧層，國際上對空調(diào)設(shè)備的制冷劑都做了限制，出現(xiàn)了各種替代制冷劑，其冷凍油也相應(yīng)發(fā)生了變化。對空調(diào)替代制冷劑為R134a、R410a/R407c，其替代分別采用PAG、POE。POE是Polyol Ester的縮寫，又稱聚酯油，它是一類合成的多元醇酯類油。PAG是Polyalkylene Glycol的縮寫，是一種合成的聚(乙)二醇類潤滑油。其中，POE油不僅能良好地用于HFC類制冷劑系統(tǒng)中，也能用于烴類制冷。PAG油則可用HFC類、烴類和氨作為制冷劑的制冷系統(tǒng)中的潤滑油。由于使用場合和制冷劑的不同，制冷設(shè)備對冷凍油的選擇也不一樣。冷凍油在壓縮機(jī)運(yùn)轉(zhuǎn)中起潤滑作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="開利PP23BZ101,冷凍油" src="https://tyunfile.71360.com/UploadFile/bingpu/637401018665278658/7685874.png"></div><p style="text-indent:25px">冷凍機(jī)油的性能要求：1、合適的粘度，冷凍機(jī)油的粘度除了要保證各運(yùn)動部件的磨擦面有良好潤滑性以外，還要從制冷機(jī)中帶走部分熱量，以及起到密封作用。如果制冷機(jī)所使用的制冷劑對冷凍機(jī)油互溶性較大時(shí)，應(yīng)考慮使用粘度較大的油品，以克服潤滑油被制冷劑稀釋后的影響。2、揮發(fā)性小，閃點(diǎn)高，冷凍機(jī)油的揮發(fā)量愈大，隨制冷劑循環(huán)的油量也愈多，因此要求冷凍機(jī)油的餾份范圍愈窄愈好，閃點(diǎn)亦應(yīng)高于制冷機(jī)排氣溫度25～30℃以上。3、良好的化學(xué)穩(wěn)定性和熱氧化穩(wěn)定性，制冷機(jī)工作中的較后壓縮溫度可達(dá)130℃～160℃，在此溫度下冷凍機(jī)油會受熱而不斷分解變質(zhì)，生成積炭而導(dǎo)致制冷機(jī)產(chǎn)生故障與磨損。冷凍油使各運(yùn)動部件保持較低的溫度，從而提高壓縮機(jī)的效率和使用的可靠性。開利PP23BZ101</p><p style="text-indent:25px">冷凍油在壓縮機(jī)中，冷凍油主要起潤滑、密封、降溫及能量調(diào)節(jié)等功能。開利PP23BZ101</p><p style="text-indent:25px">螺桿壓縮機(jī)是高速旋轉(zhuǎn)的機(jī)械設(shè)備，金屬在高速旋轉(zhuǎn)過程中會不可避免的產(chǎn)生摩擦，如果在摩擦部位沒有冷凍油的隔離，致使鐵器直接接觸設(shè)備會使其相互磨損，嚴(yán)重者可能使設(shè)備報(bào)廢無法正常運(yùn)行。另外，冷凍油還起到了密封、冷卻、降噪等作用，因此，冷凍油是螺桿壓縮機(jī)運(yùn)行不可缺少的重要輔助材料。對于以前常用的活塞式壓縮機(jī)來說，冷凍油是日用消耗品，每天都要消耗掉幾公斤左右(根據(jù)機(jī)型大小而定)。而對于螺桿機(jī)，由于密封較好，在機(jī)內(nèi)循環(huán)使用，如無泄漏，耗損較少，因此，更換周期也較長。這樣算來，盡管價(jià)格很高，但和活塞機(jī)相比，使用成本也不是很高。開利PP23BZ101</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。冰仆冷暖設(shè)備作為銷售: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。的企業(yè)之一，為客戶提供良好的制冷劑廠家直銷，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)備繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。冰仆冷暖設(shè)備創(chuàng)始人徐佳華，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2229016.html</p></div></div></div></div></div><div id="in3czli" class="page-right twoColRt"><div id="yi82xzq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="278bhz7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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