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href="http://www.cdcfah.com/cp/second-_jydq/">家用電器</a>?<a href="http://www.cdcfah.com/cp/third-jydq_jydqcpdljm/">家用電器產(chǎn)品代理加盟</a>?石河子電承壓熱水鍋爐價格新疆欣盛達龍環(huán)保設備供應</p><div id="vt8imtk" class="leftbox clearfix"><h1>石河子電承壓熱水鍋爐價格新疆欣盛達龍環(huán)保設備供應</h1><div id="ck3hykb" class="proBig"><div id="s2fwgxt" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xsdlhb/637263778229072265/4451216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i3m8e8q" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xsdlhb/637263778229072265/4451216.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n3po8tk" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>石河子電承壓熱水鍋爐價格</p><p><span>***更新：</span>2020-06-01 21:29:35</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="c2lxhik" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆欣盛達龍環(huán)保設備有限公司</a></p><p><span>聯(lián)系人：</span>楊永昌</p><p><span>郵箱: </span>2806621955@qq.com</p><p><span>電話: </span>13609986517</p><p><span>傳真: </span>0991_8790931</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0991-8790931</p><p><span>地址: </span>烏魯木齊市太原路188號亞中機電市場261號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gpbyk8e" class="page-proshow02"><p class="title">詳細說明</p><div id="cgi7m4b" class="box"><p><p> 在工程上，我們必須要計算知道它的數(shù)量多少，才能正確地選用水泵，石河子電承壓熱水鍋爐價格，確定所需要的水泵揚程。管路沿程損失是發(fā)生在水流的全部流程上的摩擦阻力，它與管壁粗糙度、管長、管徑、流速等有關(guān)，石河子電承壓熱水鍋爐價格，根據(jù)水力學原理，可以建立它的關(guān)系式。沿程損失與管壁粗糙度有關(guān)的沿程摩擦系數(shù)成正比關(guān)系，不同的管材其粗糙度不同，鑄鐵管比較粗糙，石河子電承壓熱水鍋爐價格，沿程摩擦系數(shù)就大些；塑料管比較光滑，沿程摩擦系數(shù)就小些。與管子長度成正比關(guān)系；與管徑成反比關(guān)系，就是說，當流量一定時，管徑小、流速快。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石河子電承壓熱水鍋爐價格" src="https://tyunfile.71360.com/WaterMark/UploadFile/xsdlhb/637263778229072265/4451216.png"></div><p> “鍋”是汽水系統(tǒng)，它主要任務是吸引收燃料放出的熱量，使水加熱、蒸發(fā)并***變成具有一定參數(shù)的過熱蒸汽。它由省煤器、汽包、下降管、聯(lián)箱、水冷壁、過熱器和再熱器等設備及其連接管道和閥門組成。(1)省煤器。位于鍋爐尾部垂直道，利用氣余熱加熱鍋爐給水，降低排溫度，提高鍋爐效率，節(jié)約燃料。(2)汽包。位于鍋爐頂部，是一個圓筒形的承壓容器，其下是水，上部是汽，它接受省煤器的來水，同時又與下降管、聯(lián)箱、水冷壁共同組成水循環(huán)回路。水在水冷壁中吸熱而生成的汽水混合物匯集于汽包，經(jīng)汽水分離后向過熱器輸送飽和蒸汽。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石河子電承壓熱水鍋爐價格" src="https://tyunfile.71360.com/WaterMark/UploadFile/xsdlhb/637263777979257812/5778963.png"></div><p> 有些用戶經(jīng)過測量，雖然蓄水池或水塔到水源水面的垂直距離還略小于水泵揚程，但還是提水量小或提不上水。其原因常是管道太長、水管彎道多，水流在管道中阻力損失過大。一般情況下90度彎管比120度彎管阻力大，每一90度彎管揚程損失約，每20米管道的阻力可使揚程損失約1米。此外，有部分用戶還隨意更改水泵進、出管的管徑，這些對揚程也有一定的影響。那，管道阻力對揚程的影響究竟有多大呢？下面，我們來看下方表格你是否清楚管道水流產(chǎn)生水力損失的原因？**一、是管壁粗糙的阻滯作用。二、是水流各流層間的相對運動。三、是管件內(nèi)水流局部急劇變化形成的漩渦。管路（網(wǎng)）水力損失由沿程和局部兩部分組成。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石河子電承壓熱水鍋爐價格" src="https://tyunfile.71360.com/WaterMark/UploadFile/xsdlhb/637263778255097656/2757750.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/110517.html</p></div></div></div></div></div><div id="lzgxosj" class="page-right twoColRt"><div id="zd8s3xe" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yxzb3m8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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