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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="08agsur" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mbt8ap3" 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>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>肇慶螺桿泵廠家價(jià)格,螺桿泵</p><p><span>***更新：</span>2020-09-22 16:04:49</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="bfwyfmo" 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(jī): </span>0755-33075040</p><p><span>地址: </span>光明新區(qū)公明街道民生路70號(hào)銘源商務(wù)大廈808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="rgyfxoa" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jyv3wiu" class="box"><p><p> 與葉片泵相比較，螺旋泵具有以下優(yōu)點(diǎn)： </p> <p> ①轉(zhuǎn)速低(一般為20r/min～90r/min)，機(jī)械磨損小，不會(huì)發(fā)生汽蝕。 </p> <p> ②流道寬，可以輸送含有固體物的水。 </p> <p> ③泵體結(jié)構(gòu)是半開(kāi)的，可以觀察到泵內(nèi)的運(yùn)行情況。 </p> <p> ④吸入側(cè)流態(tài)對(duì)水力性能影響甚微，對(duì)吸水池?zé)o特殊要求，基礎(chǔ)開(kāi)挖深度小，水工建筑物施工簡(jiǎn)單，土建費(fèi)用少。 </p> <p> 其缺點(diǎn)是： </p> <p> ①尺寸大，肇慶螺桿泵廠家價(jià)格，占地面積也大。 </p> <p> ②受機(jī)械加工條件限制，泵軸不能太長(zhǎng)，因而揚(yáng)程較低，一般不超過(guò)10m。 </p> <p> ③吸水面、出水面高度變化不能太大，否則會(huì)影響工作效率，增加能耗。 </p> <p> <br /> 對(duì)采用機(jī)械密封的，肇慶螺桿泵廠家價(jià)格，肇慶螺桿泵廠家價(jià)格，則要非常小心翼翼地進(jìn)行，否則極易造成動(dòng)、靜環(huán)的破碎。肇慶螺桿泵廠家價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶螺桿泵廠家價(jià)格,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg"></div><p> 在螺桿泵的水力特征檢測(cè)中，輕易涌現(xiàn)容積效力大于100％的狀況，同時(shí)螺桿泵實(shí)踐排量的盤算方式存在爭(zhēng)議，為處理這個(gè)問(wèn)題筆者在對(duì)螺桿泵水力特征實(shí)驗(yàn)數(shù)據(jù)和檢測(cè)體系鉆研基本上，展開(kāi)了螺桿泵容積效力的鉆研，對(duì)螺桿泵容積效力的檢測(cè)提出了幾點(diǎn)熟悉。 </p> <p> 螺桿泵是一種旋轉(zhuǎn)容積泵，其容積效力隨壓力的降低而降落，額外壓力下的容積效力大小是判斷泵及格與否的重要根據(jù)。在螺桿泵的水力特征實(shí)驗(yàn)中，會(huì)涌現(xiàn)容積效力大于100％的狀況，一種是在零壓力點(diǎn)和非零壓力點(diǎn)下都涌現(xiàn)容積效力大于100％，同時(shí)在零壓力點(diǎn)容積效力為100％時(shí)在非零壓力點(diǎn)也會(huì)涌現(xiàn)容積效力大于100％的狀況。針對(duì)這個(gè)問(wèn)題筆者對(duì)螺桿泵容積效力展開(kāi)了實(shí)驗(yàn)鉆研，并對(duì)實(shí)驗(yàn)數(shù)據(jù)進(jìn)行了剖析。 </p> <p> <br /> 肇慶螺桿泵廠家價(jià)格應(yīng)用生產(chǎn)液面測(cè)量結(jié)合示功圖可了解井是否以比較大產(chǎn)量生產(chǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶螺桿泵廠家價(jià)格,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg"></div><p> 污泥螺桿泵因其有可變量輸送、自吸能力強(qiáng)、可逆轉(zhuǎn)、能輸送含固體顆粒的液體等特點(diǎn)，在污水處理廠中，***地被使用在輸送水、濕污泥和絮凝劑藥液方面。螺桿泵選用應(yīng)遵循經(jīng)濟(jì)、合理的原則。如果在設(shè)計(jì)選型方面考慮不周，會(huì)給以后的使用、管理、維修帶來(lái)麻煩，所以選用一臺(tái)按生產(chǎn)實(shí)際需要，合理可靠的污泥螺桿泵既能保證生產(chǎn)順利進(jìn)行，又可降低修理成本。 </p> <p> 一、污泥螺桿泵的轉(zhuǎn)速選用 </p> <p> 螺桿泵的流量與轉(zhuǎn)速成線性關(guān)系，相對(duì)于低轉(zhuǎn)速的污泥螺桿泵，高轉(zhuǎn)速的污泥螺桿泵雖能增加了流量和揚(yáng)程，但功率明顯增大，高轉(zhuǎn)速加速了轉(zhuǎn)子與定子間的磨耗，必定使污泥螺桿泵過(guò)早失效，而且高轉(zhuǎn)速污泥螺桿泵的定轉(zhuǎn)子長(zhǎng)度很短，極易磨損，因而縮短了螺桿泵的使用壽命。 </p> <p> <br /> </p><p> (一）腐蝕的基本概念 </p> <p> <br /> </p> <p> 材料（通常是指金屬材料）或材料的性質(zhì)由于與它所處的環(huán)境發(fā)生反應(yīng)而惡化變質(zhì)，稱為腐蝕。它包括三個(gè)方面的研究?jī)?nèi)容，即材料、環(huán)境及反應(yīng)的種類。 </p> <p> <br /> </p> <p> 材料 </p> <p> <br /> </p> <p> 材料包括金屬材料、非金屬材料及材料的性質(zhì)，是腐蝕發(fā)生的內(nèi)因。 </p> <p> <br /> </p> <p> 環(huán)境 </p> <p> <br /> </p> <p> 環(huán)境是腐蝕發(fā)生的外部條件，任何材料在使用過(guò)程中總是處于特定的環(huán)境中，對(duì)腐蝕起作用的環(huán)境因素主要有介質(zhì)的成分、濃度、溫度、流速和壓力等。 </p> <p> <br /> </p> <p> <br /> 古老的機(jī)械仍然是用在許多低技術(shù)的應(yīng)用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶螺桿泵廠家價(jià)格,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906640625/2770674.jpg"></div><p> 不同金屬在電解質(zhì)溶液中的電位不同，它們之間會(huì)產(chǎn)生電位差；同一金屬由于本身**不均勻在電解質(zhì)溶液中也有可能產(chǎn)生電位差；同一金屬在電解質(zhì)溶液中所處的環(huán)境條件有差別（如濃度、溫度和應(yīng)力差別等）也會(huì)產(chǎn)生電位差。而在酸、堿、鹽等電解質(zhì) </p> <p> <br /> </p> <p> 溶液中都存在著帶正電荷的陽(yáng)離子和帶負(fù)電荷的陰離子，電位差成了電解質(zhì)溶液中離子移動(dòng)的推動(dòng)力，離子移動(dòng)到電極上得失電子的同時(shí)便會(huì)產(chǎn)生金屬的腐蝕，并同時(shí)產(chǎn)生電流。因此，電化學(xué)腐蝕是由于金屬發(fā)生腐蝕電池作用引起的。如果將兩種電位不同的金屬（如銅和鋅）用導(dǎo)線連接起來(lái)，放在電解質(zhì)溶液（如稀Ｈ2SO4溶液）中,這樣就構(gòu)成了導(dǎo)電回路，回路中的電子將從低電位的鋅流向高電位的銅，電子的移動(dòng)產(chǎn)生電流，形成腐蝕電池。鋅不斷失去電子，變?yōu)殇\離子進(jìn)人溶液，鋅電極成為腐蝕電池的極，出現(xiàn)腐蝕；銅電極成為腐蝕電池的陰極而被保護(hù)，溶液中的H＋不斷移動(dòng)到銅電極上得到電子而析出H2。 </p> <p> <br /> </p> <p> <br /> 單螺桿泵流量與泵的轉(zhuǎn)速成正比，因而具有良好的變量調(diào)節(jié)性.佛山螺桿泵詢問(wèn)報(bào)價(jià)</p><p style="text-indent:25px">但井的條件常不容許將泵置于流體進(jìn)入層下方，則考慮用井下氣分離器。肇慶螺桿泵廠家價(jià)格</p><p> 沖蝕磨損 </p> <p> 沖蝕磨損又名侵蝕磨損，這種磨損的出現(xiàn)是由于螺桿泵轉(zhuǎn)子和定子之間液流，這種磨損在螺桿泵正常運(yùn)行時(shí)是主要的磨損形式之一。 </p> <p> 摩擦磨損 </p> <p> 這種情況只在摩擦因數(shù)很大但是橡膠的撕裂強(qiáng)度很低的條件下發(fā)***生這種磨損時(shí)會(huì)造成橡膠表層被撕裂、卷曲、拉伸，**終從橡膠表層脫落，形成卷曲的橡膠碎屑。如果螺桿泵發(fā)生干摩擦轉(zhuǎn)子與定子摩擦發(fā)熱，使橡膠溫度升高，降低橡膠的撕裂強(qiáng)度，使橡膠表層樹脂老化、發(fā)黏，從而使摩擦磨損加劇，定子迅速損壞，這也就是為什么螺桿泵不能空轉(zhuǎn)。 </p> <p> 以上四種磨損情況網(wǎng)王同時(shí)發(fā)生，只是在不同的工況下會(huì)以某種磨損形式為主。因此，認(rèn)為應(yīng)當(dāng)針對(duì)丁腈橡膠磨粒磨損、沖蝕磨損、疲勞磨損的規(guī)律，設(shè)計(jì)合理的螺桿泵結(jié)構(gòu)，使定子的磨損率降到比較低，從而延長(zhǎng)其使用壽命。 </p> <p> <br /> 肇慶螺桿泵廠家價(jià)格</p><p style="text-indent:25px">深圳市群勛科技有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。群勛科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供視覺(jué)噴點(diǎn)膠機(jī)，點(diǎn)膠閥，壓力泵，壓痕檢測(cè)機(jī)。群勛科技始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。群勛科技創(chuàng)始人張華，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1382580.html</p></div></div></div></div></div><div id="qas7dkm" class="page-right twoColRt"><div id="3awoahy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="akxu32i" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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