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href="/news/">新聞中心</a> > <a href="/industrynews/">行業新聞</a></li></ul> </div> <div class="fenlei"> <ul> <li> <a href="/news/">全部</a> <a href="/qiyenews/" >企業新聞</a><a href="/industrynews/" id="fenlei_a">行業新聞</a><a href="/knowledge/" >維保知識</a><a href="/problem/" >常見問題</a> </li> </ul> </div>  <div id="news"> <div class="news1"><h1>中央空調維修保養的必要性</h1></div> <div class="news2">文章來源于：金蜜蜂環?？萍?nbsp; 發布2019-06-04 15:48:07 瀏覽次數：<span>0</span>次</div> <div class="news3"><p style="text-align: center;"><img src="/static/upload/image/20190604/1559634553355834.jpg"/></p><p>中央空調系統一次性投資（意義：是未來收益的累積）大，包含設備品種多、管線長、自動(automatic)化程度高，其運行、維護、檢修要綜合運用熱工、流體、空調、制冷、機械、電工電子、自動控制等多方面的知識和技能，因此要求運行管理和維修人員必須(have to)具有一定的專業知識和專業技能，這樣才能管好它，用好它。冷庫維修主要用作對食品、乳制品、肉類、水產、化工、醫藥、育苗、科學試驗等的恒溫貯藏冷氣設備，冷庫實際上是一種低溫冷庫（冷藏庫）也屬于制冷設備的一種與冰箱相比較，其制冷面積要大很多，但他們有相通的制冷原理。 <br/>寫字樓中央空調系統如保養得當，可提高使用效率，減少故障，延長機組(unit)使用壽命(lifetime)，從而大大降低運行成本。<br/>1、空調制冷系統維護保養的必要性<br/>①、系統運行一段時間因壓縮機的振動會引起鋼管(steel pipe)接頭松動或焊縫的開裂，從而造成制冷劑和冷凍油的泄漏，輕微泄漏可引起制冷效果下降，低壓(Low pressure)報警。嚴重時則會使壓縮機得不到應有的冷卻(cooling)和潤滑。最后造成壓縮機過熱，拉傷燒毀。<br/>②、空調(conditioning)壓縮機經過初期的磨合運行一段時間(time)后，由于機械運動部件之間的相互磨損，潤滑油中就會沉積下磨損的雜質，使潤滑油的潤滑效果下降，長期使用就會加劇運動部件的磨損或拉傷，直至壓縮機被燒毀。<br/>2、空調的風系統維護維護的必要性<br/>①、風系統運行一段時間后過濾網上就會聚積灰塵，增加空氣阻力，因而引起風量減小或堵死；風量減小會引起風機盤管效果不好，堵死后無任何效果，影響正常使用。制冷設備維修通過設備的工作循環將物體及其周圍的熱量移出，造成并維持一定的低溫狀態。目前所用的制冷劑主要是氟里昂和氨，尤以氟里昂使用最多。但由于氟里昂對大氣臭氧層的破壞作用，已經開始受到環保條例的制約。氨及其他新型冷劑正被重新采用和試制中。尤其是風管機、變風量、組合式空調(conditioning)器還很容易引起電機燒毀的嚴重后果。<br/>②、風機盤管因初效過濾網對細小粉塵沒有辦法過濾下來，因此，粉塵穿過濾網后聚積在風機盤管的換熱器的翅片表面，由于換熱設備的翅片只有2-3mm，因此長期聚積后就會引起堵塞，造成效果(xiàoguǒ)下降，同時因灰塵的聚積引起傳熱下降，嚴重時會引起上述現象。<br/>3、電氣(electric)系統(system)維護保養的必要性<br/>①、空調(conditioning)長期運行后，由于電線、元器件發熱等原因會引起接頭松動、脫落，造成接觸不良、缺相。冷庫維修主要用作對食品、乳制品、肉類、水產、禽類、果蔬、冷飲、花卉、綠植、茶葉、藥品、化工原料、電子儀表儀器等的恒溫貯藏。冷庫實際上是一種低溫聯合起來的冷氣設備，冷庫（冷藏庫）也屬于制冷設備的一種與冰箱相比較，其制冷面積要大很多，但他們有相通的制冷原理。 <br/>②、交流接觸器、熱繼電器（作用：自動調節、轉換電路等作用）也會出現接觸不良、斷路等故障；以上故障如不及時排除會導致壓縮機缺相或三相電流不平衡(balance)而被燒毀。<br/>③、水流開關、高低壓(Low pressure)開關、安全閥等保護(bǎo hù )裝置的失靈而引起的事故。<br/>4、空調水系統維護保養的必要性<br/>①、冷卻水系統由于上開啟式系統，冷卻水通過冷卻塔是充分和空氣接觸(contact)，在被冷卻的同時也將空氣的大量塵埃等雜質被引入水系統中，沉積在冷卻塔、空調機組和管道里形成淤泥，降低循環水量，影響熱交換。<br/>②、系統投入使用(use)后，因安裝時殘留在系統內的焊渣、鐵屑、泥土、油污等雜質也會聚積在系統里；焊渣、鐵屑等堅硬物質則會附著在換熱設備表面，影響換熱。冷庫維修主要用作對食品、乳制品、肉類、水產、禽類、果蔬、冷飲、花卉、綠植、茶葉、藥品、化工原料、電子儀表儀器等的恒溫貯藏。冷庫實際上是一種低溫聯合起來的冷氣設備，冷庫（冷藏庫）也屬于制冷設備的一種與冰箱相比較，其制冷面積要大很多，但他們有相通的制冷原理。 </p></div> <div class="news4">上一篇：沒有了！<Br>下一篇：<a href="/industrynews/193.html">家用中央空調的優點有哪些？</a></div> </div>  <div class="newsxg"> <div id="newsxg_bt"><span>相關內容</span></div> <ul> <li><a href="/industrynews/198.html" title="中央空調維修保養的必要性"><img src="/static/upload/image/20190604/1559634553355834.jpg"><span>中央空調維修保養的必要性</span></a></li> <li><a href="/industrynews/193.html" title="家用中央空調的優點有哪些？"><img src="/static/upload/image/20190511/1557566074732866.jpg"><span>家用中央空調的優點有哪些？</span></a></li> <li><a href="/industrynews/192.html" title="怎樣合理選用中央空調風機盤管"><img src="/static/upload/image/20190511/1557566016969079.jpg"><span>怎樣合理選用中央空調風機盤管</span></a></li> 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