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href="http://www.cdcfah.com/cp/third-dzyqj_ylbsq/">壓力變送器</a>?河源螺桿泵廠家電話地址深圳市群勛科技供應(yīng)</p><div id="cuo8kik" class="leftbox clearfix"><h1>河源螺桿泵廠家電話地址深圳市群勛科技供應(yīng)</h1><div id="0o8awqm" class="proBig"><div id="cyesw0w" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yucagas" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="y8eo2io" 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>河源螺桿泵廠家電話地址,螺桿泵</p><p><span>***更新：</span>2020-10-10 09:03:45</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="m0q8gcq" 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="8uykqwi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="uae8omi" class="box"><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(xué)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(rèn)為是廠家質(zhì)量的問題所致，還有介質(zhì)的粘度及比重，河源螺桿泵廠家電話地址，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，河源螺桿泵廠家電話地址，轉(zhuǎn)速低磨損就會降低，所以螺桿泵型號的選型及為重要，河源螺桿泵廠家電話地址。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(yán)重磨損性的介質(zhì)，請參照表一選擇襯套級數(shù)。 </p> <p> <br /> 突出的優(yōu)點(diǎn)是輸送介質(zhì)時不形成渦流、對介質(zhì)的粘性不敏感。河源螺桿泵廠家電話地址</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河源螺桿泵廠家電話地址,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg"></div><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。它包括三個方面的研究內(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，任何材料在使用過程中總是處于特定的環(huán)境中，對腐蝕起作用的環(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 /> 官方螺桿泵誠邀品鑒隨著螺桿的轉(zhuǎn)動和嚙合，這些密封空間在泵的吸入端不斷形成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河源螺桿泵廠家電話地址,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876901611328/4013793.jpg"></div><p> (1)安裝傾角(θ)。安裝傾角指螺旋泵軸對水平面的夾角。它直接影響泵的效率和流量。據(jù)有關(guān)資料介紹，傾角每增加一度，效率大約降低3%。一般認(rèn)為傾角在30°～40°為經(jīng)濟(jì)。 </p> <p> (2)間隙。間隙指螺旋葉片與外殼之間的間隙。間隙越小，水漏損失就越小，泵的效率就越高。 </p> <p> (3)轉(zhuǎn)速(n)。螺旋泵的轉(zhuǎn)速較慢，一般為20～80 r/min。實驗資料證明：螺旋泵的外徑較大時，轉(zhuǎn)速宜減小。 </p> <p> (4)提升高度(H)。螺旋泵只有提升高度，而沒有壓水高度。它的提升高度一般為3～8 m。 </p> <p> (5)螺旋葉片直徑(D)。泵的葉片直徑越大，其效率越高，螺旋泵的葉片直徑與泵軸直徑的比較好比例為2:1。 </p> <p> (6)頭數(shù)(Z)。頭數(shù)指螺旋葉片的片數(shù)，一般為1～4片。它們相隔一定的間距環(huán)繞泵軸螺旋上升。頭數(shù)越多，泵效率也越高。對于一定直徑的螺旋泵，每增加一個葉片頭數(shù)，提升能力約增加20%。 </p> <p> (7)導(dǎo)程和螺距。螺旋葉片環(huán)繞泵軸螺旋上升360°所經(jīng)軸向距離，即為一個導(dǎo)程λ。螺距S和導(dǎo)程λ的關(guān)系如下： </p> <p> <br /> </p> <p> (8)流量(Q)和軸功率(N)。流量可按下式計算： </p> <p> <br /> </p> <p> 軸功率為 </p> <p> <br /> </p> <p> 式中：D為葉片外徑(m)；d為泵軸直徑(m)；S為螺距(m)；α為提水?dāng)嗝媛?；n為轉(zhuǎn)速(r/min)；η為泵的效率(%)；ρ為所提升的液體密度(kg/m3)；Q為流量(m3/s)；H為提升高度(m)。 </p> <p> <br /> </p><p> 一、我國螺桿泵行業(yè)發(fā)展現(xiàn)狀 </p> <p> 我國螺桿泵**早是從20世紀(jì)60年開始引進(jìn)生產(chǎn)的，比起國外螺桿泵技術(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，我國越來越重視螺桿泵的研制開發(fā)，國內(nèi)螺桿泵在發(fā)展方面也取得了不少的成果。中國產(chǎn)業(yè)信息網(wǎng)發(fā)布的《2013-2017年中國螺桿泵市場調(diào)查及前景評估研究報告》指出我國目前螺桿泵生產(chǎn)廠家約40-50家，統(tǒng)計資料顯示，2012年我國螺桿泵行業(yè)整體產(chǎn)量達(dá)到21.35萬臺，同比2011年增長約13.35%。 </p> <p> 二、我國螺桿泵競爭趨勢分析 </p> <p> 從企業(yè)結(jié)構(gòu)來看，目前我國螺桿泵市場價格分成三個梯度： </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="河源螺桿泵廠家電話地址,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876899248047/2424011.jpg"></div><p> 螺桿泵液壓防反轉(zhuǎn)技能是通過螺桿泵液壓防反轉(zhuǎn)裝置來實現(xiàn)開釋扭矩的。螺桿泵液壓防反轉(zhuǎn)裝置可以在螺桿泵停機(jī)后主軸反轉(zhuǎn)時，通過液壓抑動鉗活塞伸出，推動摩擦片卡緊制動盤，使體系壓力敏捷低落。制動鉗失去壓力后，主軸降速反轉(zhuǎn)，齒輪泵繼承開始事情，制動鉗再次孕育發(fā)生壓力卡緊制動盤，如許時斷時續(xù)的卡緊—松開—卡緊—松開，直至主軸反轉(zhuǎn)扭矩卸至為零，消除寧靜***。 </p> <p> 螺桿泵液壓防反轉(zhuǎn)裝置可實現(xiàn)內(nèi)部設(shè)置單向定壓卸載機(jī)構(gòu)，制動力矩大，制動安穩(wěn)可靠，散熱性好，扭矩可主動開釋，不需人工卸扭矩。這個裝置為**裝置，可以大概在原有驅(qū)動裝置上舉行**，操縱簡樸，**本錢低。 </p> <p> 立式單螺桿泵轉(zhuǎn)速和流量是線性干系，泵可定轉(zhuǎn)速而定流量。也可無級調(diào)速或多級變速來滿意用戶種種特性的要求，流量精度（1%），可作為計量泵用于實行室，配藥，配料等。壓力（揚(yáng)程）天生與“定子”螺旋導(dǎo)程（T）有關(guān)，一個導(dǎo)程（T）輸出壓力為0.6Mpa（60米揚(yáng)程）壓差級，二個導(dǎo)程為二級泵壓力為1.2Mpa（120米揚(yáng)程）。憑據(jù)工況必要任何一種型號都可以制造成，立式，斜置式，可移小車載式等型式的泵。立式單螺桿泵零件少，布局不龐大，以是折卸，維修簡樸，縱然***利用也可在短期內(nèi)容易掌握。 </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。螺桿泵誠信為本</p><p style="text-indent:25px">G型單螺桿泵故障與排除。河源螺桿泵廠家電話地址</p><p style="text-indent:25px">近一段時期，中美貿(mào)易摩擦持續(xù)影響對外貿(mào)易發(fā)展，機(jī)械行業(yè)銷售企業(yè)通過多種渠道加強(qiáng)深化與傳統(tǒng)貿(mào)易伙伴的合作，并積極拓展新貿(mào)易伙伴、謀求新發(fā)展。創(chuàng)新、協(xié)調(diào)、綠色、開放、共享的五大發(fā)展理念，不僅對機(jī)械制造業(yè)也提出了明確要求，研發(fā)生產(chǎn)科技含量高、附加值高、智能化程度高而碳量排放少的視覺噴點(diǎn)膠機(jī)，點(diǎn)膠閥，壓力泵，壓痕檢測機(jī)裝備；同時還要調(diào)整產(chǎn)業(yè)結(jié)構(gòu)，轉(zhuǎn)變發(fā)展方式實現(xiàn)轉(zhuǎn)型升級。2019年上半年，汽車起重機(jī)銷售了2.55萬臺，較有限責(zé)任公司上年同期大幅增長53.3%。(2016年我國汽車起重機(jī)銷量跌至低谷，近年來受*****的影響，大型工程建設(shè)需要增加，我國汽車起重機(jī)銷量迅速反彈，預(yù)計未來汽車起重機(jī)仍將保持大幅增長的趨勢)。實施轉(zhuǎn)換的獨(dú)一途徑是依靠科技創(chuàng)新驅(qū)動發(fā)展。深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。是我國深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。工業(yè)的裝備技術(shù)基礎(chǔ)，圍繞深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。工業(yè)結(jié)構(gòu)調(diào)整的需要，發(fā)展** 深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。裝備技術(shù)，提高國產(chǎn) 深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。裝備制造水平，是我國深圳市群勛科技有限公司經(jīng)營微電子智能產(chǎn)品的技術(shù)開發(fā)和銷售；自動化點(diǎn)膠機(jī)、自動化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動化點(diǎn)膠設(shè)備及其配件的銷售；國內(nèi)貿(mào)易、貨物及技術(shù)進(jìn)出口。微電子智能化產(chǎn)品的生產(chǎn)。產(chǎn)業(yè)由大轉(zhuǎn)強(qiáng)的重要基礎(chǔ)和關(guān)鍵。河源螺桿泵廠家電話地址</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號銘源商務(wù)大廈808室。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下視覺噴點(diǎn)膠機(jī)，點(diǎn)膠閥，壓力泵，壓痕檢測機(jī)深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，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，打造機(jī)械及行業(yè)設(shè)備良好品牌。群勛科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1494873.html</p></div></div></div></div></div><div id="n3jiulx" class="page-right twoColRt"><div id="8qm32r8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fxz3b7z" 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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