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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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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>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>北京哪家好變頻加壓泵哪家好,變頻水泵</p><p><span>***更新：</span>2021-02-03 15:26:51</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="5rhxg4r" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">威樂供水系統(tǒng)（杭州）有限公司</a></p><p><span>聯(lián)系人：</span>陳偉平</p><p><span>郵箱: </span>weilegongshui@163.com</p><p><span>電話: </span>13175888000</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span>http://hzweile.shop.88360.com</p><p><span>手機: </span>0571-86375679</p><p><span>地址: </span>塘棲鎮(zhèn)超山村蓬塢80號7幢105室</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="wg9dhnq" class="page-proshow02"><p class="title">詳細說明</p><div id="wxgobry" class="box"><p><p style="text-indent:25px">變頻泵中的葉片式葉輪中的半開式、開式葉輪鑄造便利，而且容易保護清理運送過程中阻塞的雜質(zhì)?？墒撬膲奶幵谟谶\送過程中固體顆粒磨蝕下壓水室內(nèi)壁與葉片之間的間隙加大，降低了水泵的運轉(zhuǎn)效率，而且由于間隙的增大使得流道中液體的流態(tài)的穩(wěn)定性受到破壞，使泵發(fā)生振動，該種型式葉輪不易于運送含大顆粒和長纖維的介質(zhì)。封閉式的葉輪運轉(zhuǎn)效率高、能長時間平穩(wěn)的運轉(zhuǎn)，北京哪家好變頻加壓泵哪家好，泵的軸向推力較小，北京哪家好變頻加壓泵哪家好，可是封閉式的葉輪易于被纏繞，北京哪家好變頻加壓泵哪家好，不易運送含有大顆粒的或許含有長纖維的污水介質(zhì)。變頻水泵是屬于機組。北京哪家好變頻加壓泵哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京哪家好變頻加壓泵哪家好,變頻水泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637389866867428127/3241553.png"></div><p style="text-indent:25px">管道污水泵流量不足管道污水泵流量現(xiàn)場不足的原因是泥漿管堵塞，介質(zhì)過厚（供不應(yīng)求），泄漏量大，葉輪損壞，揚程過高，護航距離過遠，旋轉(zhuǎn)方向相反，葉輪上有雜物；相應(yīng)的處理方法是：停止管道，取出擋板，停止沖洗介質(zhì)，通過增加供給和反射泄漏邊緣，停止更換導(dǎo)致泄漏的部件，停止更換葉輪，增加揚程，延長輸送間隔，改變電機旋轉(zhuǎn)方向，把雜物拿出來。相應(yīng)的處理方法是停止調(diào)整兩個半聯(lián)軸器之間的軸向間隙（0.5mm），停止更換損壞的平鍵，提高電機轉(zhuǎn)速，并連接吸入口排除障礙物。無錫哪家好變頻高壓泵價格變頻水泵在農(nóng)業(yè)抽灌系統(tǒng)中剛剛開始應(yīng)用，其節(jié)水節(jié)能技術(shù)具有強大的生命力和廣闊的應(yīng)用前景。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京哪家好變頻加壓泵哪家好,變頻水泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637389867405562901/5048362.png"></div><p style="text-indent:25px">變頻泵選型的性能。變頻調(diào)速具有優(yōu)異的性能，調(diào)速范圍較大，平滑性較高，適用于鼠籠型異步電動機的調(diào)速；串級調(diào)速調(diào)速范圍大，效率高(轉(zhuǎn)差功率可反饋電網(wǎng))，平滑性較高，適用于中等以上功率的繞線型異步電動機調(diào)速；斬波內(nèi)饋調(diào)速的突出特點是“斬波”與“內(nèi)饋”兩項高新技術(shù)的有機結(jié)合，價格低廉，設(shè)備結(jié)構(gòu)簡單，投資回收期短，適用于鼠籠型異步電動機和繞線型異步電動機調(diào)速。節(jié)能效果。變頻調(diào)速技術(shù)節(jié)能效果好，根據(jù)設(shè)定的變頻泵出水管路的壓力自動調(diào)節(jié)水泵轉(zhuǎn)速和水泵的運行臺數(shù)，使變頻水泵運行經(jīng)常保持在節(jié)能的zui佳工作狀態(tài)。串級調(diào)速節(jié)能效果較好，節(jié)能在20％以上。斬波內(nèi)饋調(diào)速技術(shù)先進、節(jié)能效果明顯，節(jié)能達75％～85％。</p><p style="text-indent:25px">變頻水泵基本原理公式：交流異步電動機的轉(zhuǎn)子轉(zhuǎn)速n可以用下式表示：式中 f--定子供電電源的頻率;p--電動機的極對數(shù);s--異步電動機的轉(zhuǎn)差率.由此可見，當(dāng)平滑地改變異步電動機的供電頻率f時，即可改變電動機轉(zhuǎn)子的轉(zhuǎn)速n.。基本構(gòu)成整個恒壓供水系統(tǒng)由CX-B系列變頻恒壓供水自動控制裝置與水泵電機組合而成。該裝置由變頻器(內(nèi)含PID調(diào)節(jié)器)、可編程時控開關(guān)、可編程控制器(PLC)、水位顯示控制器、遠傳壓力表、水位傳感器及相關(guān)電氣控制部件構(gòu)成，是一種具有變頻調(diào)速和全自動閉環(huán)控制功能的機電一體化智能設(shè)備(見圖2)，它可同時對一臺或多臺三相380V，50Hz的水泵電機進行自動控制。變頻泵根據(jù)自動開關(guān)不同分為幾個類型，不同類型的調(diào)節(jié)壓力方法略有不同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京哪家好變頻加壓泵哪家好,變頻水泵" src="https://tyunfile.71360.com/UploadFile/hzweile/637389867362008293/9389053.png"></div><p style="text-indent:25px">變頻水泵供水管路完好率高的系統(tǒng)使用后，節(jié)水效果不明顯，供水管路完好率低的系統(tǒng)使用該裝置后，節(jié)水效果明顯(由于恒壓供水，減少了管網(wǎng)高壓所產(chǎn)生的漏水).實踐證明，使用變頻供水自控裝置，不但能夠節(jié)水節(jié)能，而且提高了供水質(zhì)量，保證了供水管網(wǎng)的安全運行.在農(nóng)業(yè)灌溉方面，2001年6月為"99全國節(jié)水示范工程秦都項目區(qū)(咸陽市秦都區(qū)雙照鎮(zhèn)龍泉南村)節(jié)灌系統(tǒng)"設(shè)計并安裝了變頻恒壓節(jié)水灌溉自動控制裝置一套，使一條供水管網(wǎng)能夠在不同時間段提供兩種工作壓力，既滿足了微噴灌和滴灌的要求，又使灌溉管理較好簡化.據(jù)2001年7~12月資料統(tǒng)計，節(jié)電17%，節(jié)水19%。變頻泵根據(jù)變頻器的輸入電源不同分為單相變頻泵和三相變頻泵。北京哪家好變頻離心水泵廠家推薦</p><p style="text-indent:25px">兩臺或兩臺以上水泵的變頻泵機組為變頻供水設(shè)備。北京哪家好變頻加壓泵哪家好</p><p style="text-indent:25px">變頻泵揚程和流量成反比，軸功率和流量成正比。效率與流量成正比但有一個zui高點之后就會下降。轉(zhuǎn)速和流量成正比，和揚程成正比平方，和軸功率成正比三次方。變頻泵揚程：單位重量液體流經(jīng)泵后獲得的有效能量，是泵的重要工作性能參數(shù)，又稱壓頭?？杀硎緸榱黧w的壓力能頭、動能頭和位能頭的增加，即：H=(p2-p1)/ρg+(c2^2-c1^2)/2g+z2-z1；式中H——揚程，m；p1，p2——泵進出口處液體的壓力，Pa；c1，c2——流體在泵進出口處的流速，m/s；z1，z2——進出口高度，m；ρ——液體密度，kg/m3；g——重力加速度，m/s2。北京哪家好變頻加壓泵哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3145101.html</p></div></div></div></div></div><div id="jbsyfnj" 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