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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904189453/2939220.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7cjliu8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904189453/2939220.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gpczgnp" 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>本地螺桿泵生產(chǎn)廠商,螺桿泵</p><p><span>***更新：</span>2020-08-06 13:11:55</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="dxuby8k" 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(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="b3rdfxj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8lxjls3" class="box"><p><p> ***梯度是進口螺桿泵產(chǎn)品。由于國外企業(yè)具有品牌和技術(shù)上的優(yōu)勢，目前國內(nèi)許多客戶選擇購買從國外進口的螺桿泵。由于運輸?shù)雀鞣N成本加上國外企業(yè)的定價往往較高，本地螺桿泵生產(chǎn)廠商，使得進口螺桿泵價格居高不下。而且由于交貨期長，客戶要滿足生產(chǎn)則往往需要一次性購買較多產(chǎn)品，影響了企業(yè)資金周轉(zhuǎn)。 </p> <p> <br /> </p> <p> 第二梯度是在我國進行生產(chǎn)銷售的合資企業(yè)和外資企業(yè)產(chǎn)品。這類企業(yè)具有技術(shù)上的優(yōu)勢，且在國內(nèi)生產(chǎn)，物流周期短，本地螺桿泵生產(chǎn)廠商，生產(chǎn)成本也得以降低，本地螺桿泵生產(chǎn)廠商，因而市場價格相對進口產(chǎn)品也有所下調(diào)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 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)。本地螺桿泵生產(chǎn)廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="本地螺桿泵生產(chǎn)廠商,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904189453/2939220.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 螺桿泵的操作規(guī)程與操作步驟，1.。啟動前的檢查 </p> <p> <br /> </p> <p> 為了保證螺桿泵的安全運行，在螺桿泵啟動前，應(yīng)對整個機組作***的檢查，發(fā)現(xiàn)問題，及時處理。檢查內(nèi)容有以下幾項，（1）電動機和水螺桿泵固定是否良好，螺釘及螺母有無松動脫落； </p> <p> <br /> </p> <p> （2）檢查各軸承的潤滑油是否充足，潤滑油是否變質(zhì)； </p> <p> <br /> </p> <p> （3）如果是***次使用或重新安裝的水螺桿泵，應(yīng)檢查水螺桿泵的轉(zhuǎn)動方向是否正確； </p> <p> <br /> </p> <p> （4）檢查吸液池及濾網(wǎng)上是否有雜物； </p> <p> <br /> </p> <p> （5）檢查填料箱內(nèi)的填料是否發(fā)硬； </p> <p> <br /> </p> <p> （6）檢查排液管上的閥門啟閉是否靈活； </p> <p> <br /> </p> <p> （7）檢查電動機的電氣線路是否正確； </p> <p> <br /> </p> <p> （8）檢查機組附近有無妨礙運轉(zhuǎn)的物體。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 本地螺桿泵生產(chǎn)廠商古老的機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="本地螺桿泵生產(chǎn)廠商,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906445312/5967838.jpg"></div><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 /> </p><p> 反應(yīng)的種類 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 腐蝕是材料與環(huán)境發(fā)生反應(yīng)的結(jié)果。金屬材料與環(huán)境通常發(fā)生化學(xué)反應(yīng)或電化學(xué)反應(yīng)，非金屬材料與環(huán)境則會發(fā)生溶脹、溶解、老化等反應(yīng)。 (二）腐蝕的類型及機理 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 1.按腐蝕的機理分為化學(xué)腐蝕和電化學(xué)腐蝕兩大類 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 化學(xué)腐蝕是指金屬與干燥的氣體或非電解質(zhì)溶液產(chǎn)生化學(xué)作用而引起的腐蝕?；瘜W(xué)腐蝕通常為干腐蝕，腐蝕速度相對較小。如碳鋼在鑄造、鍛造、熱處理過程中發(fā)生的高溫氧化以及鋁在無水乙醇中的腐蝕等均屬于此類腐蝕。實際上單純的化學(xué)腐蝕是相當(dāng)少的，一些干燥介質(zhì)中如混人水分常會由化學(xué)腐蝕轉(zhuǎn)化為電化學(xué)腐蝕。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 電化學(xué)腐蝕是指金屬與電解質(zhì)溶液發(fā)生電化學(xué)反應(yīng)而產(chǎn)生的破壞，反應(yīng)過程均包括陽極反應(yīng)和陰極反應(yīng)兩個過程，腐蝕過程中伴有電流的流動，即電子和離子的運動。金屬在酸、堿、鹽等化學(xué)溶液和土壤、海水、潮濕的大氣中的腐蝕均屬于此類腐蝕。通常情況下，電化學(xué)腐蝕要比化學(xué)腐蝕強烈得多，金屬的腐蝕破壞大多數(shù)也是由電化學(xué)腐蝕引起的。 </p> <p> <br /> </p> <p> <br /> 嚴(yán)格檢查待裝零件的質(zhì)量，清洗是否干凈，外表是否損壞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="本地螺桿泵生產(chǎn)廠商,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876901093750/5238493.jpg"></div><p> 螺桿泵按螺桿數(shù)量分為。 </p> <p> 單螺桿泵——單根螺桿在泵體的內(nèi)螺紋槽中嚙合轉(zhuǎn)動的泵。 </p> <p> 雙螺桿泵——由兩個螺桿相互嚙合輸送液體的泵。 </p> <p> 三螺桿泵——由多個螺桿相互嚙合輸送液體的泵。單螺桿泵 </p> <p> 是一種單螺桿式輸運泵，它的主要工作部件是偏心螺旋體的螺桿（稱轉(zhuǎn)子）和內(nèi)表面呈雙線螺旋面的螺桿襯套（稱定子）。其工作原理是當(dāng)電動機帶動泵軸轉(zhuǎn)動時，螺桿一方面繞本身的軸線旋轉(zhuǎn)，另一方面它又沿襯套內(nèi)表面滾動，于是形成泵的密封腔室。螺桿每轉(zhuǎn)一周，密封腔內(nèi)的液體向前推進一個螺距，隨著螺桿的連續(xù)轉(zhuǎn)動，液體螺旋形方式從一個密封腔壓向另一個密封腔，***擠出泵體。螺桿泵是一種新型的輸送液體的機械，具有結(jié)構(gòu)簡單、工作安全可靠、使用維修方便、出液連續(xù)均勻、壓力穩(wěn)定等優(yōu)點。 </p> <p> <br /> 根據(jù)泵的大小不同可以輸送粘度從厘泊的介質(zhì)。直銷螺桿泵制造廠家</p><p style="text-indent:25px">單螺桿泵體積小，重量輕、噪聲低，結(jié)構(gòu)簡單，維修方便.本地螺桿泵生產(chǎn)廠商</p><p> 3、螺桿泵的螺桿在機筒內(nèi)轉(zhuǎn)動，物料與二者的摩擦，使螺桿與機筒的工作表面逐漸磨損：螺桿直徑逐漸縮小，機筒的內(nèi)孔直徑逐漸加大。這樣，螺桿與機筒的配合直徑間隙，隨著二者的逐漸磨損而一點點加大?？墒?，由于機筒前面機頭和分流板的阻力沒有改變，這就增加了被擠塑物料前進時的漏流量，即物料從直徑間隙處向進料方向流動量增加。結(jié)果使塑膠機械生產(chǎn)量下降。這種現(xiàn)象又使物料在機筒內(nèi)停留時間增加，造成物料分解。如果是聚乙烯，分解產(chǎn)生的氯化氫氣體加強了對螺桿和機筒的腐蝕。 </p> <p> <br /> </p> <p> 4、物料中如有碳酸鈣和玻璃纖維等填充料，能加快螺桿和機筒的磨損。 </p> <p> <br /> </p> <p> 5、由于物料沒有塑化均勻，或是有金屬異物混入料中，使螺桿轉(zhuǎn)動扭矩力突然增加，這種扭矩超出螺桿的強度極限，使螺桿扭斷。這是一種非常規(guī)***損壞。 </p> <p> <br /> </p> <p> <br /> 本地螺桿泵生產(chǎn)廠商</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)涵蓋[ "視覺噴點膠機", "點膠閥", "壓力泵", "壓痕檢測機" ]等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備質(zhì)量品牌。在社會各界的鼎力支持下，經(jīng)過公司所有人員的努力，公司自2010-11-11成立以來，年營業(yè)額達到100-200萬元。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/827871.html</p></div></div></div></div></div><div id="38jl2ce" class="page-right twoColRt"><div id="gvsulcu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xmtlsub" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="g87bd2z" class="recomPic likePro"><a 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