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</a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zp9jhvt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="j7jjpvt" class="box"><p><p> 單螺桿泵的驅(qū)動(dòng)優(yōu)缺點(diǎn)介紹，單螺桿泵，**螺桿泵性價(jià)比高，顧名思義，意味著泵中只有一個(gè)螺桿。繼續(xù)使用中國(guó)螺桿泵行業(yè)的習(xí)慣，單螺桿泵的螺桿被稱為轉(zhuǎn)子，而螺桿襯套稱為定子，**螺桿泵性價(jià)比高，由外部動(dòng)力源驅(qū)動(dòng)的轉(zhuǎn)子是EngA，**螺桿泵性價(jià)比高。通過(guò)定子的Ge形成一個(gè)密封腔，在吸入室和排出室之間分離，從而使泵能夠有效地工作。 </p> <p> <br /> </p> <p> 目前，世界各國(guó)生產(chǎn)的單螺桿泵都是轉(zhuǎn)子和定子的嚙合副。絕大多數(shù)產(chǎn)品仍與單螺旋轉(zhuǎn)子定子和雙頭內(nèi)螺旋嚙合，過(guò)去10多年來(lái)，國(guó)外一些廠家開(kāi)發(fā)了雙螺桿轉(zhuǎn)子和三內(nèi)嚙合螺旋定子，單螺桿泵正在運(yùn)行。迅速發(fā)展，一些廠家已經(jīng)發(fā)展到批量生產(chǎn)和銷售，在中國(guó)也有一些制造廠，目前仍處于發(fā)展階段。 </p> <p> <br /> </p> <p> <br /> 各螺桿的相互嚙合以及螺桿與襯筒內(nèi)壁的緊密配合。**螺桿泵性價(jià)比高</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵性價(jià)比高,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905917968/581422.jpg"></div><p> 3、診斷低能效井。診斷的方法是確定抽油系統(tǒng)的總效率,而確定總效率只需測(cè)量輸入原動(dòng)機(jī)的功率、測(cè)定井底生產(chǎn)壓力和精確的生產(chǎn)測(cè)試數(shù)據(jù)。一般抽油系統(tǒng)的總效率應(yīng)為50％左右,若低于此應(yīng)提高其性能。提高總效率的技術(shù)包括保持高容積效率(泵的規(guī)格與井筒注入量匹配、消除氣干擾、用抽空控制器或定時(shí)器控制抽油)和換掉過(guò)大的電動(dòng)機(jī)。 </p> <p> <br /> </p> <p> 4、井下氣分離。無(wú)效的泵運(yùn)轉(zhuǎn)常是氣干擾造成的，可通過(guò)聲波液面測(cè)量和示功圖進(jìn)行診斷。比較好是將泵吸入口置于流體進(jìn)入層段的下方，若置于上方則應(yīng)使用氣體分離器。若閥座短節(jié)布置于流體進(jìn)入層段底部以下至少10ft，則在環(huán)空中可發(fā)生有效氣分離，此時(shí)套管起分離器外筒的作用。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。常規(guī)的氣分離器由流體進(jìn)入部分(如射孔短節(jié))、外筒(如底部有堵頭的一節(jié)油管)和泵底部的封液管組成。揭陽(yáng)螺桿泵收購(gòu)價(jià)特點(diǎn)是流量平穩(wěn)、壓力脈動(dòng)小、有一定自吸能力、噪聲低、效率高、壽命長(zhǎng)、工作可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵性價(jià)比高,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900957031/888996.jpg"></div><p> 通過(guò)減速機(jī)構(gòu)或無(wú)級(jí)調(diào)速機(jī)構(gòu)來(lái)降低轉(zhuǎn)速，使其轉(zhuǎn)速保持在每分三百轉(zhuǎn)以下較為合理的范圍內(nèi)，與高速運(yùn)轉(zhuǎn)的螺桿泵相比，使用壽命能延長(zhǎng)幾倍。 </p> <p> <br /> </p> <p> 二、污泥螺桿泵的品質(zhì) </p> <p> <br /> </p> <p> 現(xiàn)在市場(chǎng)上的污泥螺桿泵的種類較多，相對(duì)而言，進(jìn)口的污泥螺桿泵設(shè)計(jì)合理，材質(zhì)精良，但價(jià)格較高，服務(wù)方面有的不到位，配件價(jià)格高，訂貨周期長(zhǎng)，可能影響生產(chǎn)的正常運(yùn)行。 </p> <p> <br /> </p> <p> 國(guó)內(nèi)生產(chǎn)的大都仿制進(jìn)口產(chǎn)品，產(chǎn)品質(zhì)量良莠不齊，在選用國(guó)內(nèi)生產(chǎn)的產(chǎn)品時(shí)，在考慮其性價(jià)比的時(shí)候，選用低轉(zhuǎn)速，長(zhǎng)導(dǎo)程，傳動(dòng)量部件材質(zhì)優(yōu)良，額定壽命長(zhǎng)的產(chǎn)品。 </p> <p> <br /> </p> <p> <br /> </p><p> 一、我國(guó)螺桿泵行業(yè)發(fā)展現(xiàn)狀 </p> <p> 我國(guó)螺桿泵**早是從20世紀(jì)60年開(kāi)始引進(jìn)生產(chǎn)的，比起國(guó)外螺桿泵技術(shù)的發(fā)展晚了近20年，但是隨著螺桿泵不斷在各行業(yè)發(fā)揮不可替代的作用，我國(guó)越來(lái)越重視螺桿泵的研制開(kāi)發(fā)，國(guó)內(nèi)螺桿泵在發(fā)展方面也取得了不少的成果。中國(guó)產(chǎn)業(yè)信息網(wǎng)發(fā)布的《2013-2017年中國(guó)螺桿泵市場(chǎng)調(diào)查及前景評(píng)估研究報(bào)告》指出我國(guó)目前螺桿泵生產(chǎn)廠家約40-50家，統(tǒng)計(jì)資料顯示，2012年我國(guó)螺桿泵行業(yè)整體產(chǎn)量達(dá)到21.35萬(wàn)臺(tái)，同比2011年增長(zhǎng)約13.35%。 </p> <p> 二、我國(guó)螺桿泵競(jìng)爭(zhēng)趨勢(shì)分析 </p> <p> 從企業(yè)結(jié)構(gòu)來(lái)看，目前我國(guó)螺桿泵市場(chǎng)價(jià)格分成三個(gè)梯度： </p> <p> <br /> 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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**螺桿泵性價(jià)比高,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg"></div><p> 應(yīng)力腐蝕是指拉應(yīng)力和腐蝕環(huán)境的聯(lián)合作用而引起的金屬腐蝕破裂，應(yīng)力和腐蝕是相互促進(jìn)的。一方面腐蝕使金屬有效截面積減小和表面形成缺口產(chǎn)生應(yīng)力集中，另一方面應(yīng)力的增大使材料產(chǎn)生大的變形又加速了腐蝕的進(jìn)展，使表面缺口向深處擴(kuò)展，往往在沒(méi)有任何預(yù)兆的情況下導(dǎo)致設(shè)備的破壞，因此應(yīng)力腐蝕破裂也是一種很危險(xiǎn)的腐蝕損壞。 </p> <p> <br /> </p> <p> 腐蝕疲勞又稱疲勞腐蝕，是指金屬材料或結(jié)構(gòu)在交變載荷和腐蝕介質(zhì)共同作用下引起的疲勞強(qiáng)度或疲勞壽命降低的現(xiàn)象。材料在長(zhǎng)時(shí)間的交變載荷作用下，應(yīng)力值達(dá)到或超過(guò)材私的疲勞極限時(shí)就會(huì)使金屬表面產(chǎn)生微小裂紋，腐蝕介質(zhì)進(jìn)人微裂紋加速了裂紋向深處擴(kuò)展:***可能造成金屬構(gòu)件突然斷裂，從宏觀上看，斷口有兩個(gè)明顯不同的區(qū)域：一是腐蝕疲勞裂紋的產(chǎn)生和擴(kuò)展區(qū)，二是截面嶄新的***斷裂區(qū)。在石油化工生產(chǎn)行業(yè)的設(shè)備當(dāng)中，螺桿泵轱等均有可能發(fā)生腐蝕疲勞。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 利用一個(gè)或多個(gè)螺旋，沿螺桿軸移動(dòng)流體或固體。***螺桿泵歡迎咨詢</p><p style="text-indent:25px">污泥螺桿泵工作時(shí)，液體被吸入后就進(jìn)入螺紋與泵殼所圍的密封空間。**螺桿泵性價(jià)比高</p><p> 螺桿泵的特點(diǎn)及其選用方法，如果螺桿泵在設(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，所以選用的一臺(tái)按生產(chǎn)實(shí)際需要，合理可靠的螺桿泵既能保證生產(chǎn)順利進(jìn)行，又可降低修理成本。螺桿泵因其可變量輸送、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、可靠的原則。一、螺桿泵的品質(zhì) </p> <p> <br /> </p> <p> 現(xiàn)在市場(chǎng)上的螺桿泵的種類較多，相對(duì)而言，進(jìn)口的螺桿泵設(shè)計(jì)合理，材質(zhì)精良，但價(jià)格較高，服務(wù)方面有的不到位，配件價(jià)格高，訂貨周期長(zhǎng)，可能影響生產(chǎn)的正常運(yùn)行。 </p> <p> <br /> **螺桿泵性價(jià)比高</p><p style="text-indent:25px">深圳市群勛科技有限公司位于光明新區(qū)公明街道民生路70號(hào)銘源商務(wù)大廈808室。公司業(yè)務(wù)分為視覺(jué)噴點(diǎn)膠機(jī)，點(diǎn)膠閥，壓力泵，壓痕檢測(cè)機(jī)等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。群勛科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: 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