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class="pic"><img src="https://tyunfile.71360.com/UploadFile/xiangyunkeji2020/637249754812646484/8252939.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3qsprdk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xiangyunkeji2020/637249754812646484/8252939.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="878gc7p" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昆明制冷設(shè)備公司,制冷設(shè)備</p><p><span>***更新：</span>2021-01-25 09:06:32</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="29elsz7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南祥運科技有限公司</a></p><p><span>聯(lián)系人：</span>洪總</p><p><span>郵箱: </span>513265365@qq.com</p><p><span>電話: </span>13888716204</p><p><span>傳真: </span>1351_8716204</p><p><span>網(wǎng)址: </span>http://www.ynlkdz.cn</p><p><span>手機: </span>1351-8733868</p><p><span>地址: </span>昆明市官渡區(qū)格林威治小區(qū)35號商鋪</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="n7mo2an" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cbiahta" class="box"><p><p> <strong><span style="font-size:14px;">制冷劑在風(fēng)冷式冷水機中，究竟起到什么樣的作用？</span></strong> </p> <p> <strong><span style="font-size:14px;">1、制冷劑在風(fēng)冷式冷水機制冷壓縮機中的變化：</span></strong><span style="font-size:14px;">制冷劑是從風(fēng)冷式冷水機蒸發(fā)器的末端進(jìn)入壓縮機的吸氣口，并在制冷壓縮機中完成制冷劑蒸氣壓縮成過熱蒸氣的過程，壓力也是由蒸發(fā)壓力升高到冷凝壓力。由于壓縮機的壓縮過程是瞬間完成的，因此這個時候的制冷劑蒸氣與外界不會發(fā)生熱量交換，我們稱為絕熱壓縮過程。</span> </p> <p> <strong><span style="font-size:14px;">2、制冷劑在風(fēng)冷式冷水機冷凝器中的變化：</span></strong><span style="font-size:14px;">待過熱蒸氣進(jìn)入到風(fēng)冷式冷水機冷凝器后，由于壓力條件沒有變化，因此會先散發(fā)出一部分熱量，使制冷劑過熱蒸氣冷卻成飽和蒸氣。因這個時候仍然處于等溫條件下，故飽和蒸氣會繼續(xù)放出熱量而冷凝并不斷產(chǎn)生飽和液體。冷凝的時間越長，飽和液體就會越多，飽和蒸氣則會減少，**終結(jié)果就是：制冷劑蒸氣全部冷凝為飽和液體。</span> </p> <p> <strong><span style="font-size:14px;">3、制冷劑在風(fēng)冷式冷水機節(jié)流元件中的變化：</span></strong><span style="font-size:14px;">由于制冷劑全部已經(jīng)成為飽和液體，因此當(dāng)飽和液體制冷劑流經(jīng)風(fēng)冷式冷水機的節(jié)流元件時，就會由冷凝壓力降至蒸發(fā)壓力，溫度由冷凝溫度降至蒸發(fā)溫度，昆明制冷設(shè)備公司。由節(jié)流元件出口流出的制冷劑變?yōu)橐后w約占80%，昆明制冷設(shè)備公司，昆明制冷設(shè)備公司、氣體約占20%的兩相混合狀態(tài)，這其中少量蒸氣的產(chǎn)生，是由于壓力下降液體膨脹而出現(xiàn)的閃發(fā)氣體。</span> </p> <p> <br /> 誠信鑄就品質(zhì)，創(chuàng)新**未來。昆明制冷設(shè)備公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明制冷設(shè)備公司,制冷設(shè)備" src="https://tyunfile.71360.com/UploadFile/xiangyunkeji2020/637249754812646484/8252939.jpg"></div><p> <span style="font-size:14px;">云南祥運科技有限公司昨天給大家介紹了中小型冷庫的定義和冷庫設(shè)備在正常運行時的部分標(biāo)志。本篇我們繼續(xù)給大家介紹制冷系統(tǒng)正常運行時的標(biāo)志。</span> </p> <p> <strong><span style="font-size:14px;">制冷系統(tǒng)正常運行時的部分標(biāo)志：</span></strong><span style="font-size:14px;">1、用手觸摸臥式儲液器和油分離器都應(yīng)該呈現(xiàn)出上熱下涼的狀態(tài)。其冷熱交界處就是儲液器或者是油分離器的液面或油面。</span> </p> <p> <span style="font-size:14px;">2、制冷系統(tǒng)的安全閥和旁通閥的低壓端在正常情況下是發(fā)涼的，要不然就會造成高低壓的串氣；</span> </p> <p> <span style="font-size:14px;">3、在制冷設(shè)備正常運行的狀態(tài)下，其蒸發(fā)壓力和吸氣壓力比較接近，而系統(tǒng)的排氣壓力、冷凝壓力和儲液器壓力是比較接近的；</span> </p> <p> <span style="font-size:14px;">4、如果是水冷機組，正常設(shè)備的冷卻水進(jìn)出必須要有溫差。如果沒有溫差或者是溫差很小則表明系統(tǒng)的換熱效果很差，可能是由于熱交換器有太多污垢造成的，必須及時清潔；</span> </p> <p> <span style="font-size:14px;">5、制冷機組的密封必須要非常的良好，切記出現(xiàn)制冷劑或者是潤滑油泄露的情況。同時其軸封也不能有滴油的情況；</span> </p> <p> <span style="font-size:14px;">6、正常運轉(zhuǎn)的制冷系統(tǒng)膨脹閥的閥體結(jié)霜或者是結(jié)露是很均勻的，但是他的進(jìn)口處不能出現(xiàn)結(jié)霜太厚的情況。另外就是系統(tǒng)內(nèi)制冷劑流經(jīng)膨脹閥的時候，只能聽到很微弱的流動聲音；</span> </p> <p> <span style="font-size:14px;">7、制冷系統(tǒng)的各個壓力表指針是很穩(wěn)定的，而且其指示必須要準(zhǔn)確。</span> 昆明制冷設(shè)備公司公司目前以實現(xiàn)了產(chǎn)、供、銷一條龍的經(jīng)營模式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明制冷設(shè)備公司,制冷設(shè)備" src="https://tyunfile.71360.com/UploadFile/xiangyunkeji2020/637249754815292968/9348892.jpg"></div><p> <span style="display:none;"></span><span style="font-size:14px;"> <p> <strong><span style="font-size:14px;">制冷設(shè)備蒸汽壓縮式制冷系統(tǒng)原理及解析</span></strong> </p> <p> <strong><span style="font-size:14px;">運行原理：</span></strong><span style="font-size:14px;">由壓縮機、冷凝器、膨脹閥、蒸發(fā)器組成，用管道將它們連接成一個密封系統(tǒng)。制冷劑液體在蒸發(fā)器內(nèi)以低溫與被冷卻對象發(fā)生熱交換，吸收被冷卻對象的熱量并氣化，產(chǎn)生的低壓蒸汽被壓縮機吸入，經(jīng)壓縮后以高壓排出。壓縮機排出的高壓氣態(tài)制冷劑進(jìn)冷凝器，被常溫的冷卻水或空氣冷卻，凝結(jié)成高壓液體。高壓液體流經(jīng)膨脹閥時節(jié)流，變成低壓低溫的氣液兩相混合物，進(jìn)入蒸發(fā)器，其中的液態(tài)制冷劑在蒸發(fā)器中蒸發(fā)制冷，產(chǎn)生的低壓蒸汽再次被壓縮機吸入。如此周而復(fù)始，不斷循環(huán)。</span> </p> <p> <strong><span style="font-size:14px;">特點：</span></strong><span style="font-size:14px;">制冷方式的效率高、工藝成熟、可靠性較好。目前世界上生產(chǎn)的電冰箱90%以上是采用這種制冷方式的。但是由于這種制冷方式采用了機械裝置來壓縮制冷劑蒸氣，所以它的噪音較大。在實際應(yīng)用中，蒸氣壓縮式制冷機是得到**普遍應(yīng)用的制冷機。制冷設(shè)備系統(tǒng)原理還要很多。</span> </p> </span> </p> <p> <span style="font-size:14px;"></span><span style="display:none;"></span> </p><p> <span style="font-size:14px;">組合式冷庫（又稱活動冷庫、拼裝式冷庫、裝配式冷庫）：大多為單層形式，這類冷庫的主體結(jié)構(gòu)（柱、梁、屋頂）都采用輕鋼結(jié)構(gòu)，其圍護(hù)結(jié)構(gòu)的墻體使用預(yù)制的復(fù)合隔熱板組而成。</span> </p> <p> <span style="font-size:14px;">1、按其容量、布置形式分：室內(nèi)型：容量在5～100t的范圍內(nèi)。室外型：容量在500～1000t的范圍內(nèi)。</span> </p> <p> <span style="font-size:14px;">2、室外組合庫均為鋼結(jié)構(gòu)骨架，并輔以隔熱墻體、頂蓋和底架，其隔熱、防潮及降溫等性能要求類同于土建式冷庫。</span> </p> <p> <span style="font-size:14px;">3、室內(nèi)組合庫的庫體主要由各種隔熱板組即隔熱壁板（墻體）、頂板（天井）、底板、門、支撐板及底座等組成。它們通過特殊結(jié)構(gòu)的子母鉤拼接、固定，以保證冷庫良好的隔熱、氣密。</span> 公司產(chǎn)品安全保障，讓您放心。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明制冷設(shè)備公司,制冷設(shè)備" src="https://tyunfile.71360.com/UploadFile/xiangyunkeji2020/637249754816572265/8367067.jpg"></div><p> <span style="font-size:14px;">昆明制冷設(shè)備公司很多，有些做的時間短有些公司已經(jīng)有很多年的工作經(jīng)驗了，作為客戶肯定是想選擇一家專業(yè)的設(shè)備公司，這種比較有保障。祥運科技就是一家做了10多年的公司，我們不僅給你提供昆明制冷設(shè)備安裝，我們還經(jīng)常給大家分享一些關(guān)于制冷設(shè)備的知識，希望大家都能對這行有更深入的了解?，F(xiàn)在小編主要是跟大家說說制冷劑在風(fēng)冷式冷水機中的作用。</span> </p> <p> <span style="font-size:14px;"> 制冷劑本身是在制冷系統(tǒng)中不斷循環(huán)，然后通過本身的狀態(tài)變化來實現(xiàn)制冷。制冷劑在蒸發(fā)器內(nèi)吸收被冷卻介質(zhì)的熱量而汽化，在冷凝器中將熱量傳遞給周圍空氣或水而冷凝。當(dāng)風(fēng)冷式冷水機制冷循環(huán)系統(tǒng)運行時，同樣離不開制冷劑。制冷劑它是在風(fēng)冷式冷水機循環(huán)系統(tǒng)中不停流動的，它的狀態(tài)也是在不斷的變化，因此，制冷劑在風(fēng)冷式冷水機制冷循環(huán)系統(tǒng)的每一個位置的狀態(tài)都是不同的。</span> 感謝每一位支持和關(guān)心我們的合作伙伴和朋友們！昆明制冷設(shè)備公司</p><p style="text-indent:25px">公司擁有雄厚的技術(shù)實力與創(chuàng)新開發(fā)模式。昆明制冷設(shè)備公司</p><p> <span style="font-size:14px;"><strong>冷庫設(shè)備調(diào)試</strong></span> </p> <p> <span style="font-size:14px;">用氮氣對系統(tǒng)檢漏，如2h沒問題，可抽真空，1h沒問題，則加氟利昂保壓。或者抽真空2h沒問題，充氟利昂5 Kg/cm2氣相捉漏，沒問題則待試機。檢查所有接線排線是否正確，符合要求，檢查電源是否達(dá)標(biāo)。 </span> </p> <p> <span style="font-size:14px;"><strong>1、通電試機制冷系統(tǒng)：</strong>抽空后向儲液灌注入制冷劑至標(biāo)準(zhǔn)充灌量的70%—80%重量，，從低壓加氣至夠量為止。此時調(diào)整溫控終止溫度及溫差（4～5℃），并觀察溫度達(dá)終止溫度時低壓壓力值，設(shè)定低壓壓力保護(hù)值，檢查高低壓是否能進(jìn)行保護(hù)，并調(diào)整熱繼電器保護(hù)值為開機正常電流的2.5倍，也需手動測試其性能。 </span> </p> <p> <span style="font-size:14px;"><strong>2、通電試機化霜系統(tǒng)：</strong>化霜定時器調(diào)整頻率為每天1--6次（看情況而定），化霜時間15-40分鐘（看化霜方式而定），化霜終止溫度設(shè)定在15度（看情況而定），化霜時檢查電熱絲是否正常工作，排水電熱絲是否正常發(fā)熱。 </span> </p> <p> <span style="font-size:14px;">如遇到散熱器距主機或主機距蒸發(fā)器水平距離大于10M，高度大于5M的情況可適量補充冷凍油。各種數(shù)據(jù)都設(shè)定調(diào)試好后，再重設(shè)開停機3次方可檢查驗收。</span> 昆明制冷設(shè)備公司</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3004311.html</p></div></div></div></div></div><div id="aew332t" class="page-right twoColRt"><div id="2sjne7j" class="box01 margin10 clearfix"><h3><a 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