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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z7tj9n5" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905205078/500946.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vjj9j7b" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>正規(guī)螺桿泵推薦企業(yè),螺桿泵</p><p><span>***更新：</span>2020-07-17 09:18:10</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="jzfnj55" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市群勛科技有限公司</a></p><p><span>聯(lián)系人：</span>張華</p><p><span>郵箱: </span>zh@qxunad.com</p><p><span>電話: </span>18603057926</p><p><span>傳真: </span>0755_23156458</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-33075040</p><p><span>地址: </span>光明新區(qū)公明街道民生路70號銘源商務(wù)大廈808室</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="pljrhd7" class="page-proshow02"><p class="title">詳細說明</p><div id="lrh9zft" class="box"><p><p style="text-indent:25px">單螺桿泵、污泥螺桿泵、濃漿泵是一種正排量泵，它利用一個或多個螺旋，沿螺桿軸移動流體或固體。其**簡單的形式（阿基米德螺桿泵）中，一個單螺桿在一個圓柱形的空腔中旋轉(zhuǎn)，從而沿著螺桿的主軸移動物料。這個古老的機械仍然是用在許多低技術(shù)的應(yīng)用，如用于運輸糧食和其他固體農(nóng)業(yè)機械灌溉系統(tǒng)。單螺桿泵正是基于這種結(jié)構(gòu)研發(fā)的新型泵種。特點是流量平穩(wěn)、壓力脈動小、有一定自吸能力、噪聲低、效率高、壽命長、工作可靠；由于定子選用彈性材料，所以這種螺桿泵可以用于高粘度流體的輸送和含有硬質(zhì)懸浮顆粒介質(zhì)或含有纖維介質(zhì)的輸送，能勝任其他泵型不能適應(yīng)的作條件，正規(guī)螺桿泵推薦企業(yè)。其流量與轉(zhuǎn)速成正比。而其突出的優(yōu)點是輸送介質(zhì)時不形成渦流，正規(guī)螺桿泵推薦企業(yè)，正規(guī)螺桿泵推薦企業(yè)、對介質(zhì)的粘性不敏感，可輸送高粘度介質(zhì)。輸送高粘度介質(zhì)：根據(jù)泵的大小不同可以輸送粘度從厘泊的介質(zhì)。要求輸送壓力穩(wěn)定，介質(zhì)固有結(jié)構(gòu)不受破壞時，選用單螺桿泵輸送**為理想。測定井底生產(chǎn)壓力和精確的生產(chǎn)測試數(shù)據(jù)。正規(guī)螺桿泵推薦企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="正規(guī)螺桿泵推薦企業(yè),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905205078/500946.jpg"></div><p> 四、避免斷料 </p> <p> <br /> </p> <p> 螺桿泵決不允許在斷料的情形下運轉(zhuǎn)，一經(jīng)發(fā)生，橡膠定子由于干摩擦，瞬間產(chǎn)生高溫而燒壞，所以，粉碎機完好，格柵暢通是螺桿泵正常運轉(zhuǎn)的必要條件之一，為此，有些螺桿泵還在泵身上安裝了斷料停機裝置，當發(fā)生斷料時，由于螺桿泵其有自吸功能的特性，腔體內(nèi)會產(chǎn)生真空，真空裝置會使螺桿泵停止運轉(zhuǎn)。五、保持恒定的出口壓力 </p> <p> <br /> </p> <p> 螺桿泵是一種容積式回轉(zhuǎn)泵，當出口端受阻以后，壓力會逐漸升高，以至于超過預定的壓力值。此時電機負荷急劇增加。傳動機械相關(guān)零件的負載也會超出設(shè)計值，嚴重時會發(fā)生電機燒毀、傳動零件斷裂。為了避免螺桿泵損壞，一般會在螺桿泵出口處會安裝回油閥，用以穩(wěn)定出口壓力，保持泵的正常運轉(zhuǎn)。正規(guī)螺桿泵推薦企業(yè)測定泵充滿系數(shù)百分率，應(yīng)用綜合數(shù)據(jù)采集系統(tǒng)可同時獲得馬達功率和示功數(shù)據(jù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="正規(guī)螺桿泵推薦企業(yè),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904726562/9106620.jpg"></div><p> 2、螺桿泵的容積效力 </p> <p> 螺桿泵的容積效力盤算如下： </p> <p> 式中，Gv為容積效力，％；Qin為額外壓力點規(guī)則轉(zhuǎn)速下的體積流量，m3÷h；Qon為零壓力點規(guī)則轉(zhuǎn)速下的體積流量，m3÷h。 </p> <p> 對螺桿泵實踐排量提出了明白的判斷方式和盤算公式。 </p> <p> 肯定了容積效力準確的盤算公式，倡議各廠家實驗用測試順序盤算公式嚴厲遵照請求編寫。倡議展開螺桿泵實踐泵腔體積與泵型標注幾何排量偏向的檢測與鉆研，對定轉(zhuǎn)子配合尺寸進行嚴厲檢測，給出一個許可的偏向規(guī)模和質(zhì)量判斷方式。關(guān)于螺桿泵容積效力偏向發(fā)生起因之一的流量測試問題，倡議驗證流量測量值，在測試流程中串聯(lián)一個流量計進行流量對照。 </p> <p> 倡議在螺桿泵性能檢測中對實踐排量和容積效力兩特征能參數(shù)進行**檢測，并用文中給出的方式和公式進行判斷。污水提升器污水提升泵污水提升裝置污水提升器 </p> <p> <br /> </p><p> 空泡腐蝕是金屬與液體介質(zhì)之間作高速相對運動時，液體介質(zhì)對金屬產(chǎn)生的沖擊加腐蝕的一種腐蝕形式，空泡腐蝕的結(jié)果使金屬表面產(chǎn)生蜂窩狀的腐蝕坑。離心螺桿泵葉輪等通常會遭受空泡腐蝕。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 螺桿泵輸送帶有固體顆粒的懸浮液時，由于固體粒子在螺桿泵的過流部件表面上的沖刷，常常使這些部件產(chǎn)生嚴重的磨損，稱為沖刷腐蝕。如螺桿泵的葉輪產(chǎn)生沖刷腐蝕后會使螺桿泵的揚程和效率***降低，甚至使螺桿泵無法工作，必須更換新的葉輪。此外，螺桿泵的汽蝕是機械剝蝕和腐蝕共同作用的結(jié)果，也會給螺桿泵帶來嚴重損壞。將吸入室中的液體封入其中，并自吸入室沿螺桿軸向連續(xù)地推移至排出端。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="正規(guī)螺桿泵推薦企業(yè),螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906572265/7384951.jpg"></div><p> 點腐蝕是由局部電作用引起的，腐蝕從金屬表面開始，***產(chǎn)生凹坑，凹坑可能會被腐蝕產(chǎn)物覆蓋，結(jié)成瘤狀形的硬疤，疤的下面就是一個點蝕坑。點蝕經(jīng)常發(fā)生在金屬表面上有停滯或緩慢流動介質(zhì)的區(qū)域。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 晶間腐蝕先從金屬表面晶粒之間的邊緣開始，腐蝕介質(zhì)逐步滲人到金屬的深處，破壞了金屬晶粒之間的結(jié)合力，在金屬表面不會留下宏觀的跡象，從表面不易發(fā)現(xiàn)，但金屬材料的強度和塑性幾乎完全喪失，只要在很小的外力作用下就可能破壞。比如，不銹鋼經(jīng)過嚴重晶間腐蝕后，表面看起來仍十分光滑，但只要用錘輕輕敲擊，它就會碎成粉末。由于設(shè)備在工作過程中晶間腐蝕不容易被發(fā)現(xiàn)，所以它是一種危險性比較大的腐蝕破壞形式。 </p> <p> <br /> </p> <p> <br /> 更換填料時，應(yīng)全部更換，軸若磨損嚴重也應(yīng)更換。正規(guī)螺桿泵推薦企業(yè)</p><p style="text-indent:25px">其**簡單的形式（阿基米德螺桿泵）中，一個單螺桿在一個圓柱形的空腔中旋轉(zhuǎn)。正規(guī)螺桿泵推薦企業(yè)</p><p> G型單螺桿泵如何選擇適合型號? </p> <p> 螺桿泵型號的選型首先得確定螺桿泵所輸送的液體介質(zhì)具體是什么，里面所含有哪些化學成分以便確定選擇合適橡膠套滿足工況，列入家具行業(yè)輸送油漆，客戶只提供輸送油漆，得了解清楚油漆里面是否含有甲苯，如含有甲苯得選用氟橡膠材質(zhì)的橡膠套才能滿足工況，不然選擇普通的丁晴橡膠套很容易壞掉，用戶不了解的情況下誤認為是廠家質(zhì)量的問題所致，還有介質(zhì)的粘度及比重，如粘度大或者介質(zhì)含固量大的物料，要在普通轉(zhuǎn)速的基礎(chǔ)上降低螺桿泵的轉(zhuǎn)速，轉(zhuǎn)速低磨損就會降低，所以螺桿泵型號的選型及為重要。1級螺桿泵：比較高工作壓力為0.6 MPa； </p> <p> 2級螺桿泵：比較高工作壓力為1.2 MPa； </p> <p> 3級螺桿泵：比較高工作壓力為1.8Mpa； </p> <p> 4級螺桿泵：比較高工作壓力為2.4 MPa； </p> <p> 由于螺桿泵輸送介質(zhì)情況不同，對于含有嚴重磨損性的介質(zhì)，請參照表一選擇襯套級數(shù)。 </p> <p> <br /> 正規(guī)螺桿泵推薦企業(yè)</p><p style="text-indent:25px">深圳市群勛科技有限公司創(chuàng)立于2010-11-11，是一家貿(mào)易型公司。公司業(yè)務(wù)分為[ "視覺噴點膠機", "點膠閥", "壓力泵", "壓痕檢測機" ]等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機械及行業(yè)設(shè)備質(zhì)量品牌。公司憑借深厚技術(shù)支持，年營業(yè)額度達到100-200萬元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/626472.html</p></div></div></div></div></div><div id="x9xvlrf" class="page-right twoColRt"><div id="xvd7z9d" class="box01 margin10 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