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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uxj77jx" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià),冷凍機(jī)</p><p><span>***更新：</span>2021-01-03 14:21:48</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="koqjqxo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">溫州佳諾制冷設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>王向坤 / 蔣永要</p><p><span>郵箱: </span>990653603@qq.com</p><p><span>電話: </span>13738735303</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span>http://www.zlsbwz.com</p><p><span>手機(jī): </span>153-25770900</p><p><span>地址: </span>婁橋街道東耕村吹臺(tái)東路55號(hào)北首</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="8ao844q" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="72xtuwd" class="box"><p><p style="text-indent:25px">冷凍機(jī)維修保養(yǎng)六方面： 1.冷凍機(jī)在初期運(yùn)轉(zhuǎn)時(shí)要細(xì)心觀察壓縮機(jī)的回油情況，并保持清潔。如果發(fā)現(xiàn)油面不夠清潔或者是油面下降，要及時(shí)加油或者換新油。這樣可以避免潤(rùn)滑不良 2.要時(shí)常的觀察壓縮機(jī)設(shè)備的運(yùn)行情況，檢查排氣溫度，在季節(jié)變換時(shí)，溫差變化大的時(shí)候要特別注意運(yùn)行情況。如果異常，及時(shí)檢查，調(diào)整系統(tǒng)冷凝溫度和供液情況 3.對(duì)于冷凍機(jī)的聲音判斷。仔細(xì)聽(tīng)水泵、冷卻塔、壓縮機(jī)，溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)、風(fēng)機(jī)等設(shè)備的運(yùn)行聲音，如果不符合常規(guī)，應(yīng)及時(shí)檢修，檢修部位可參考，溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)，壓縮機(jī)、排氣管及地腳的震動(dòng)情況，溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)。 4.對(duì)于水冷設(shè)備，要經(jīng)常查檢冷卻水的渾濁度。要經(jīng)常對(duì)冷卻水進(jìn)行必要更換。并檢查供水系統(tǒng)的跑、冒、滴、漏等狀況是否存在。 5.檢查水泵是否正常工作。發(fā)霉開(kāi)關(guān)是否有效。如果異常應(yīng)及時(shí)處理 6.冷凍機(jī)的檢修維護(hù)：一般情況下，在冷凍機(jī)運(yùn)行30天后應(yīng)更換一次冷凍油和干燥過(guò)濾器。半年后再更換情況。根據(jù)具體情況而定。制冷壓縮機(jī)吸入的氣體允許一定的過(guò)熱度，但過(guò)熱度太大，其產(chǎn)冷量降低，相對(duì)耗電量增加。溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià),冷凍機(jī)" src="https://tyunfile.71360.com/UploadFile/jianuo/637407885025977300/1857490.png"></div><p style="text-indent:25px">雙級(jí)制冷循環(huán)是在單級(jí)制冷循環(huán)的基礎(chǔ)上發(fā)展起來(lái)的，其壓縮過(guò)程分兩個(gè)階段進(jìn)行，來(lái)自蒸發(fā)器的制冷劑蒸汽先進(jìn)入低壓級(jí)汽缸壓縮到中間壓力，經(jīng)過(guò)中間冷卻后再進(jìn)入高壓級(jí)汽缸，壓縮到冷凝壓力進(jìn)入冷凝器中。一般蒸發(fā)溫度在-25℃~-50℃時(shí)，應(yīng)采用雙級(jí)壓縮機(jī)進(jìn)行制冷。冷凍機(jī)的制冷系統(tǒng)由蒸發(fā)器、雙級(jí)壓縮機(jī)、油分離器、冷凝器、中間冷卻器、貯氨器、氨液分離器、節(jié)流閥及其它附屬設(shè)備等組成，相互間通過(guò)管子聯(lián)接成一個(gè)封閉系統(tǒng)。其中，中間冷卻器利用少量液態(tài)制冷工質(zhì)在中間壓力下汽化吸熱，使低壓級(jí)排出的過(guò)熱蒸汽得到冷卻，降低高壓級(jí)的吸氣溫度，同時(shí)還使高壓液態(tài)制冷工質(zhì)得到冷卻。杭州電鍍**冷凍機(jī)報(bào)價(jià)冷藏用冷凍機(jī)主要用于在低溫條件下貯藏或運(yùn)輸食品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià),冷凍機(jī)" src="https://tyunfile.71360.com/UploadFile/jianuo/637407885237832737/1909820.png"></div><p style="text-indent:25px">冷凍機(jī)中常用的節(jié)流機(jī)構(gòu)膨脹閥的工作原理：膨脹閥通過(guò)感溫包感受蒸發(fā)器出口端過(guò)熱度的變化，導(dǎo)致感溫系統(tǒng)內(nèi)(感溫系統(tǒng)是由感溫包、毛細(xì)管、傳動(dòng)膜片和傳動(dòng)波紋管這幾種互相連通的零件所構(gòu)成的密閉系統(tǒng))充注物質(zhì)產(chǎn)生壓力變化、并作用于傳動(dòng)膜片上．促使膜片形成上下位移，再通過(guò)傳動(dòng)片將此力傳遞給傳動(dòng)桿而推動(dòng)閥針上下移動(dòng)，使閥門(mén)關(guān)小或開(kāi)大，起到降壓節(jié)流作用和自動(dòng)調(diào)節(jié)蒸發(fā)器的制冷劑供給量并保持蒸發(fā)器出口端具有一定過(guò)熱度，得以保證蒸發(fā)器傳熱面積的充分利用，以及減少液擊沖缸現(xiàn)象的發(fā)生。</p><p style="text-indent:25px">冷凍機(jī)產(chǎn)冷量多少，與系統(tǒng)運(yùn)轉(zhuǎn)工況有直接關(guān)系，對(duì)于同一臺(tái)結(jié)構(gòu)，轉(zhuǎn)速，制冷劑種類均已確定的壓縮機(jī)，由于運(yùn)轉(zhuǎn)工況改變，操作管理不同，其產(chǎn)冷量和耗能也隨著變化。 1、隨著蒸發(fā)溫度的降低，壓縮機(jī)的壓縮比增大，單位產(chǎn)冷量耗能增加。當(dāng)蒸發(fā)溫度每降低1℃，則要多耗電3%-4%。因此盡可能縮小蒸發(fā)溫差，提高蒸發(fā)溫度，不但節(jié)約電耗，還可以提高冷間的相對(duì)濕度。 2、隨著冷凝溫度的升高，壓縮機(jī)的壓縮比增大，單位產(chǎn)冷量的耗能增加。冷凝溫度在25℃-40℃之間，每升高1℃，增加耗電量3.2%左右。??? 3、冷凝器和蒸發(fā)器的換熱表面覆有油層時(shí)，會(huì)引起冷凝溫度升高，蒸發(fā)溫度降低，導(dǎo)致產(chǎn)冷量減少和耗電量增加。冷凝器內(nèi)表面上積有0.1mm厚油層時(shí)，將使壓縮機(jī)產(chǎn)冷量下降16.6，耗電量增加12.4；蒸發(fā)器內(nèi)表面上積油0.1mm厚油層時(shí)，為了保持已定的低溫要求，蒸發(fā)溫度就下降2.5℃，耗電量增加9.7%。??? 4、當(dāng)空氣聚集在冷凝器內(nèi)時(shí)，會(huì)引起冷凝壓力升高，不凝結(jié)氣體分壓力達(dá)到1.96105Pa時(shí)，壓縮機(jī)耗電量要增加18%。間接冷卻是靠冷凍機(jī)蒸發(fā)器中制冷劑的蒸發(fā)，冷卻速度慢，總傳熱溫差大，系統(tǒng)也較復(fù)雜，故只用于較少場(chǎng)合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià),冷凍機(jī)" src="https://tyunfile.71360.com/UploadFile/jianuo/637407885269649292/4062728.png"></div><p style="text-indent:25px">冷凍機(jī)的分類：活塞式冷凍機(jī)在活塞式冷凍機(jī)中，需要潤(rùn)滑的摩擦部位有：活塞與氣缸的壁面；連桿大頭軸瓦與曲柄銷；連桿小頭軸瓦與活塞銷；活塞銷與活塞銷座；前后滑動(dòng)軸承的軸瓦和主軸頸以及主軸軸封的靜動(dòng)摩擦密封面等。螺桿式冷凍機(jī)凸凹螺桿(亦稱陰陽(yáng)轉(zhuǎn)子)的轉(zhuǎn)動(dòng)嚙合部；轉(zhuǎn)動(dòng)的螺桿與殼體的相對(duì)滑動(dòng)表面；螺桿前后的滑動(dòng)軸承；主動(dòng)螺桿的平衡活塞及軸端的機(jī)械密封摩擦面。在上述潤(rùn)滑部位均開(kāi)有與壓力油相通的油口。離心式冷凍機(jī)的主要潤(rùn)滑部位是增速齒輪、主軸承及軸端的機(jī)械密封。通常齒輪箱可兼做潤(rùn)滑油箱，其中裝有電加熱器可對(duì)潤(rùn)滑油進(jìn)行預(yù)熱，油泵用于將油抽送到專設(shè)的高位油箱，再由高位油箱把油引到所需的潤(rùn)滑部位，該種方式可防止油泵供油系統(tǒng)突然故障或冷凍機(jī)突然斷電停機(jī)時(shí)，油泵無(wú)油供給而冷凍機(jī)仍保持運(yùn)轉(zhuǎn)或借慣性繼續(xù)高速回轉(zhuǎn)，因無(wú)潤(rùn)滑而造成設(shè)備摩擦部位的“燒傷”或“咬合”事故。螺桿式冷凍機(jī)壓縮機(jī)是一種回轉(zhuǎn)式容積式壓縮機(jī)。溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)</p><p style="text-indent:25px">全封閉式制冷壓縮機(jī)體積小、噪音低、耗電少、高效節(jié)能。溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)</p><p style="text-indent:25px">冷凍壓縮機(jī)排氣溫度過(guò)高的原因有：⑴壓縮機(jī)汽缸中余隙過(guò)大。⑵壓縮機(jī)中吸、排氣閥門(mén)、活塞環(huán)損壞。⑶壓縮機(jī)安全旁通閥泄漏。⑷壓縮機(jī)吸氣溫度過(guò)高。⑸壓縮機(jī)汽缸中潤(rùn)滑油中斷。⑹壓縮機(jī)吸氣壓力過(guò)低或吸氣閥開(kāi)的過(guò)小。⑺壓縮機(jī)吸氣管道或過(guò)濾器有堵塞現(xiàn)象，隔熱層保溫層損壞。⑻壓縮機(jī)回氣管道中阻力過(guò)大，氣體流動(dòng)速度慢易產(chǎn)生過(guò)熱現(xiàn)象，致使排氣溫度升高。⑼冷凍壓縮機(jī)冷凝壓力過(guò)高；冷凝器中有油垢或水垢等。⑽壓縮機(jī)缸蓋冷卻水套水量不足；或冷卻水溫度過(guò)高。⑾壓縮機(jī)的制冷能力小于庫(kù)房設(shè)備能力，如蒸發(fā)面積過(guò)大。⑿壓縮機(jī)排氣管道中阻力過(guò)大。⒀冷凍壓縮機(jī)節(jié)流閥開(kāi)啟度過(guò)大或堵塞。⒁壓縮機(jī)自身效率差。⒂氨液分離器安裝高度過(guò)低。溫州專業(yè)電鍍**冷凍機(jī)批發(fā)價(jià)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2687987.html</p></div></div></div></div></div><div id="ym2st38" class="page-right twoColRt"><div id="qj7zq8l" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kequwx3" 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" 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