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class="proBig"><div id="dm3rof8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jianuo/637315656021972656/5790002.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ycumofm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jianuo/637315656021972656/5790002.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oyqikwi" 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>安徽專(zhuān)業(yè)不銹鋼冷卻塔公司,冷卻塔</p><p><span>***更新：</span>2021-01-29 14:21:27</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ptldkhe" 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="rg2sy2z" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="k3oqneb" class="box"><p><p style="text-indent:25px">冷卻塔的計(jì)算有很多方法。在實(shí)際應(yīng)用中有些方法雖然精確度較高，但計(jì)算較繁，安徽專(zhuān)業(yè)不銹鋼冷卻塔公司，一般不予采用，安徽專(zhuān)業(yè)不銹鋼冷卻塔公司。機(jī)械通風(fēng)冷卻塔計(jì)算采用彭軍焓差法或圖解法較為普遍。在制冷裝置中，安徽專(zhuān)業(yè)不銹鋼冷卻塔公司，直接選用機(jī)械通風(fēng)冷卻塔時(shí)，可根據(jù)產(chǎn)品樣本中的計(jì)算圖表計(jì)算。冷庫(kù)房的作用就是建立一個(gè)能使易腐蝕品得到貯藏的低溫環(huán)境，以大限度的保持食品原來(lái)的質(zhì)量。所以要把庫(kù)房?jī)?nèi)外影響到庫(kù)房溫度的熱量全部取走，以保證庫(kù)溫的穩(wěn)定。為了保證這一條件，就需要有相應(yīng)的制冷設(shè)備，它所產(chǎn)生的制冷量應(yīng)和引起庫(kù)溫波動(dòng)的庫(kù)內(nèi)外各大小，以此為根據(jù)再選配制冷壓縮機(jī)和輔助設(shè)備等。冷卻塔按冷卻水的水質(zhì)分為：開(kāi)式塔和閉式塔。安徽專(zhuān)業(yè)不銹鋼冷卻塔公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽專(zhuān)業(yè)不銹鋼冷卻塔公司,冷卻塔" src="https://tyunfile.71360.com/UploadFile/jianuo/637315656021972656/5790002.png"></div><p style="text-indent:25px">冷效保證：隨著季節(jié)的變化，冷卻系統(tǒng)會(huì)有所變化。外置式水輪機(jī)獨(dú)特設(shè)計(jì)三個(gè)制動(dòng)閥使風(fēng)機(jī)轉(zhuǎn)速隨循環(huán)水流量的增減而增減，風(fēng)量也隨之增減，使冷卻塔的氣水比穩(wěn)定在理想狀態(tài)，達(dá)到理想運(yùn)行效果；環(huán)保：外置式水輪機(jī)取代電機(jī)后，降低機(jī)械噪音和振動(dòng)，減少用戶能源。節(jié)能：充分利用循環(huán)水系統(tǒng)的回水壓力轉(zhuǎn)換為機(jī)械能，外置式水輪機(jī)取代電機(jī)驅(qū)動(dòng)，達(dá)到完全節(jié)能。安全：從根本上杜絕了電機(jī)、電控和漏電燒毀損壞的故障，為安全持續(xù)運(yùn)行提供了保障，可在任何需防爆的環(huán)境下安全運(yùn)行。溫州冷卻塔報(bào)價(jià)冷卻塔的材料一般以碳鋼、不銹鋼和銅為主。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽專(zhuān)業(yè)不銹鋼冷卻塔公司,冷卻塔" src="https://tyunfile.71360.com/UploadFile/jianuo/637315655990703125/4665678.png"></div><p style="text-indent:25px">冷卻塔主要應(yīng)用于空調(diào)冷卻系統(tǒng)、冷凍系列、注塑、制革、發(fā)泡、發(fā)電、汽輪機(jī)、鋁型材加工、空壓機(jī)、工業(yè)水冷卻等領(lǐng)域，應(yīng)用較多的為空調(diào)冷卻、冷凍、塑膠化工行業(yè)。具體劃分，如下：A、空氣室溫調(diào)節(jié)類(lèi)：空調(diào)設(shè)備、冷庫(kù)、冷藏室、冷凍、冷暖空調(diào)等；B、制造業(yè)及加工類(lèi)：食品業(yè)、藥業(yè)、金屬鑄造、塑膠業(yè)、橡膠業(yè)、紡織業(yè)、鋼鐵廠、化學(xué)品業(yè)、石化制品類(lèi)等；C、機(jī)械運(yùn)轉(zhuǎn)降溫類(lèi)：發(fā)電機(jī)、汽輪機(jī)、空壓機(jī)、油壓機(jī)、引擎等；D、其他類(lèi)行業(yè)……冷卻塔的作用是將攜帶廢熱的冷卻水在塔體內(nèi)部與空氣進(jìn)行熱交換，使廢熱傳輸給空氣并散入大氣中。</p><p style="text-indent:25px">封閉式冷卻塔是傳統(tǒng)冷卻塔的一種變形和發(fā)展。它實(shí)際上是一種蒸發(fā)式冷卻塔，冷卻器和濕式冷卻塔的組合，它是臥式的蒸發(fā)式冷卻塔，工藝流體在管內(nèi)流過(guò)，空氣在管外流過(guò)，兩者互不接觸。塔底蓄水池內(nèi)的水由循環(huán)泵抽取后，送往管外均勻地噴淋下來(lái)。與工藝式流體熱水或制冷劑和管外空氣并不接觸，成為一種封閉式冷卻塔，通過(guò)噴淋水增強(qiáng)傳熱傳質(zhì)的效果。如果在冬季密閉式冷卻塔不需要運(yùn)行，停機(jī)時(shí)，須將噴淋水和內(nèi)部循環(huán)水排空。封閉式冷卻塔，又稱閉式冷卻塔，蒸發(fā)冷卻器。干式冷卻塔的特點(diǎn)是：需要大量的金屬管（鋁管或鋼管）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽專(zhuān)業(yè)不銹鋼冷卻塔公司,冷卻塔" src="https://tyunfile.71360.com/UploadFile/jianuo/637315655338300781/4321160.png"></div><p style="text-indent:25px">冷卻塔與換熱設(shè)備之間由水泵來(lái)循環(huán)驅(qū)動(dòng)，外置式水輪機(jī)利用回水壓力能來(lái)轉(zhuǎn)換驅(qū)動(dòng)水輪機(jī)作功帶動(dòng)風(fēng)機(jī)，一般按照三個(gè)冷卻塔做節(jié)能改造，設(shè)計(jì)時(shí)流量偏大實(shí)際用量在60%左右，考慮到生產(chǎn)需求變化，節(jié)能改造方法是：二臺(tái)塔為水輪機(jī)驅(qū)動(dòng)，一臺(tái)塔為電機(jī)驅(qū)動(dòng)在夏季時(shí)段備用。冷卻塔新塔設(shè)計(jì)：外置式水輪機(jī)的工作重點(diǎn)在于回水壓力或回水流量來(lái)滿足該水輪機(jī)帶動(dòng)風(fēng)機(jī)作功能力，能量守恒定律——多少回水流量或壓力轉(zhuǎn)換=多少風(fēng)機(jī)轉(zhuǎn)速。外置式水輪機(jī)轉(zhuǎn)速根據(jù)系統(tǒng)流量的增減而增減，該系統(tǒng)三臺(tái)外置式水輪機(jī)冷卻塔，水輪機(jī)出水管三臺(tái)塔貫通，通過(guò)旁通閥調(diào)整流量和便于維護(hù)。干式冷卻塔的特點(diǎn)是：沒(méi)有水的蒸發(fā)損失，也無(wú)風(fēng)吹和排污損失。安徽專(zhuān)業(yè)不銹鋼冷卻塔公司</p><p style="text-indent:25px">通用術(shù)語(yǔ)“冷卻塔”是用來(lái)描述直接（開(kāi)路）和間接（閉路）散熱設(shè)備。安徽專(zhuān)業(yè)不銹鋼冷卻塔公司</p><p style="text-indent:25px">通常認(rèn)為，“變頻調(diào)速技術(shù)”是完成上述過(guò)程的理想方法。但變頻調(diào)速技術(shù)在循環(huán)水冷卻塔風(fēng)機(jī)控制上的運(yùn)用存在如下局限性和缺陷：①“變頻調(diào)速技術(shù)”可以做到很高的控溫精度，但這在循環(huán)冷卻水系統(tǒng)卻不很重要。②變頻器自身的能量損耗（平均運(yùn)行效率不足90%）影響節(jié)能效果。③變速運(yùn)行造成風(fēng)扇葉片攻角改變（迎風(fēng)角），風(fēng)機(jī)脫離工作點(diǎn)運(yùn)行使效率降低。④電機(jī)脫離額定轉(zhuǎn)速的低速運(yùn)行，以及轉(zhuǎn)速、扭矩、功耗之間的非線性關(guān)系，也使電機(jī)的運(yùn)行效率大為降低。⑤變頻調(diào)速系統(tǒng)價(jià)格較為昂貴（每千瓦1000元左右），新建工程和老設(shè)備改造都需較大投入。⑥設(shè)計(jì)上還必需考慮變頻調(diào)速器運(yùn)行在某些特定轉(zhuǎn)速時(shí)的破壞性共振問(wèn)題，和變頻調(diào)速器產(chǎn)生強(qiáng)電磁污染對(duì)其它儀表的干擾等問(wèn)題。安徽專(zhuān)業(yè)不銹鋼冷卻塔公司</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3067259.html</p></div></div></div></div></div><div id="jd7j78x" class="page-right twoColRt"><div id="icelnpg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fpwdfwo" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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