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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lpkfeta" 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>廣州螺桿泵哪家便宜,螺桿泵</p><p><span>***更新：</span>2020-08-18 18:14:53</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="aojam3p" 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="z37vhcz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ae8dfkw" class="box"><p><p style="text-indent:25px">常見(jiàn)螺桿泵的特點(diǎn)和應(yīng)用，螺桿泵依靠螺桿相互嚙合（或螺桿與定子嚙合）空間的容積變化來(lái)輸送液體。當(dāng)螺桿轉(zhuǎn)動(dòng)時(shí)吸入腔一端作軸向移動(dòng)，廣州螺桿泵哪家便宜，使吸入腔的容積增大，壓力降低，液體在壓差作用下沿吸入管進(jìn)入吸入腔。隨著螺桿的轉(zhuǎn)動(dòng)，密封腔內(nèi)的液體連續(xù)而均勻地沿軸向移動(dòng)到排出腔，由于排出腔一端的容積逐漸縮小，即將液體排出。螺桿泵的特點(diǎn)是流量和壓力脈動(dòng)小、運(yùn)轉(zhuǎn)平穩(wěn)、噪聲低、效率高、壽命長(zhǎng)、有較強(qiáng)的自吸能力而且結(jié)構(gòu)簡(jiǎn)單緊湊；其突出的優(yōu)點(diǎn)是輸送介質(zhì)時(shí)不形成渦流、對(duì)介質(zhì)的粘性不敏感，可輸送高粘度介質(zhì)。螺桿泵按螺桿數(shù)目分為單螺桿泵、雙、三和五螺桿泵。單螺桿泵的結(jié)構(gòu)為單頭陽(yáng)螺旋轉(zhuǎn)子在特殊的雙頭陰螺旋定子內(nèi)偏心地轉(zhuǎn)動(dòng)（定子是柔性的），能沿泵中心線來(lái)回?cái)[動(dòng)，廣州螺桿泵哪家便宜，與定子始終保持嚙合；雙螺桿泵結(jié)構(gòu)為有兩根同樣大小的螺桿軸，一根為主動(dòng)軸，一根為從動(dòng)軸，廣州螺桿泵哪家便宜，通過(guò)齒輪傳動(dòng)達(dá)到同步旋轉(zhuǎn)；三螺桿泵結(jié)構(gòu)為有一根主動(dòng)螺桿和兩根與之相嚙合的從動(dòng)螺桿所構(gòu)成；五螺桿泵的結(jié)構(gòu)為定子內(nèi)裝有五根左、右旋的螺桿軸，螺桿的共軛齒廓上有一段漸開(kāi)線，它起主動(dòng)螺桿泵向從動(dòng)螺桿傳遞運(yùn)動(dòng)的作用。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。廣州螺桿泵哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州螺桿泵哪家便宜,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg"></div><p> 2、單螺桿泵的運(yùn)行 </p> <p> 螺桿泵必須按規(guī)定的方向工作，以產(chǎn)生一定的吸力和流量。在工作時(shí)，應(yīng)檢查壓力、溫度和機(jī)械密封。對(duì)于軸封，應(yīng)有輕微泄漏。如果泄漏量不超過(guò)20-30秒/滴，則認(rèn)為是正常的。如果螺桿泵在工作中產(chǎn)生噪聲，則經(jīng)常是由于油溫度低、油粘度高、油中空氣、耦合損失和泵的過(guò)度磨損造成的。 </p> <p> <br /> </p> <p> 3、單螺桿泵停車(chē) </p> <p> 螺桿泵停止后，首先關(guān)閉排氣停止閥，關(guān)閉泵后關(guān)閉吸入截止閥。由于螺桿長(zhǎng)度大，剛性差，螺桿泵容易產(chǎn)生彎曲，造成異常工作，軸系統(tǒng)的連接必須良好，中間工作比較好是在安裝和定位后進(jìn)行，避免管路連接。應(yīng)引起變形，連接管應(yīng)**固定，盡可能減少泵的連接等，另外，備用螺絲比較好在存放期間懸掛和固定，以避免因放置不均勻引起的變形。 </p> <p> <br /> </p> <p> <br /> 廣州螺桿泵哪家便宜如何保持螺桿泵高效率，螺桿泵的容量大于井的產(chǎn)量或泵吸入口處氣分離不好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州螺桿泵哪家便宜,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876899189453/5397892.jpg"></div><p> Q：DP型微型螺桿泵和MP型微型磁力驅(qū)動(dòng)泵是否可以更換材質(zhì)輸送有機(jī)溶劑？（**、薏米） </p> <p> <br /> </p> <p> A：DP型微型螺桿泵/MP系列微型磁力泵，均不可以輸送有機(jī)溶劑類(lèi)介質(zhì) </p> <p> <br /> </p> <p> Q：輸送二氟氫化鉀溫度低于80-100度液體會(huì)變成固體，螺桿泵是否可以輸送? </p> <p> <br /> </p> <p> A：二氟氫化鉀屬0性液體，所以選用隔膜式泵給客戶；泵體材質(zhì)選用襯氟材質(zhì)，膜片用F46材質(zhì)，由于F46膜片里層還有加裝一付丁腈膜片，介質(zhì)溫度再80-100℃，所以還要將里層的丁腈膜片換成三元乙丙橡膠膜片 </p> <p> <br /> </p> <p> Q：DP型微型螺桿泵說(shuō)明書(shū)上寫(xiě)吸程五米指的垂直自吸高度嗎？ A：經(jīng)車(chē)間測(cè)試，DP型微型螺桿泵系列的自吸高度在5M左右 </p> <p> <br /> </p> <p> Q：液壓隔膜計(jì)量泵是雙隔膜的嗎？ </p> <p> <br /> </p> <p> A：液壓隔膜式計(jì)量泵有單膜片的也有帶雙隔膜報(bào)警的，雙膜片的好處就是，當(dāng)***張膜片破損的情況下，不會(huì)馬上泄露，第二張膜片起到密封作用，通知泵上會(huì)有聲光報(bào)警，提醒現(xiàn)場(chǎng)及時(shí)停機(jī)檢測(cè)，更換膜片。 </p> <p> <br /> </p><p> ***梯度是進(jìn)口螺桿泵產(chǎn)品。由于國(guó)外企業(yè)具有品牌和技術(shù)上的優(yōu)勢(shì)，目前國(guó)內(nèi)許多客戶選擇購(gòu)買(mǎi)從國(guó)外進(jìn)口的螺桿泵。由于運(yùn)輸?shù)雀鞣N成本加上國(guó)外企業(yè)的定價(jià)往往較高，使得進(jìn)口螺桿泵價(jià)格居高不下。而且由于交貨期長(zhǎng)，客戶要滿足生產(chǎn)則往往需要一次性購(gòu)買(mǎi)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(guó)進(jìn)行生產(chǎn)銷(xiāo)售的合資企業(yè)和外資企業(yè)產(chǎn)品。這類(lèi)企業(yè)具有技術(shù)上的優(yōu)勢(shì)，且在國(guó)內(nèi)生產(chǎn)，物流周期短，生產(chǎn)成本也得以降低，因而市場(chǎng)價(jià)格相對(duì)進(jìn)口產(chǎn)品也有所下調(diào)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 提高總效率的技術(shù)包括保持高容積效率.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州螺桿泵哪家便宜,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876901093750/5238493.jpg"></div><p style="text-indent:25px">由于各螺桿的相互嚙合以及螺桿與襯筒內(nèi)壁的緊密配合，在泵的吸入口和排出口之間，就會(huì)被分隔成一個(gè)或多個(gè)密封空間。隨著螺桿的轉(zhuǎn)動(dòng)和嚙合，這些密封空間在泵的吸入端不斷形成，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，將封閉在各空間中的液體不斷排出，猶如一螺母在螺紋回轉(zhuǎn)時(shí)被不斷向前推進(jìn)的情形那樣，這就是G型污泥螺桿泵的基本工作原理。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，當(dāng)主動(dòng)螺桿旋轉(zhuǎn)時(shí)，螺桿泵密封容積在螺牙的擠壓下提高螺桿泵壓力，并沿軸向移動(dòng)。由于螺桿是等速旋轉(zhuǎn)，所以液體出流流量也是均勻的。污泥螺桿泵特點(diǎn)為：螺桿泵損失小，經(jīng)濟(jì)性能好。壓力高而均勻，流量均勻，轉(zhuǎn)速高，能與原動(dòng)機(jī)直聯(lián)。污泥螺桿泵可以輸送潤(rùn)滑油，輸送燃油，輸送各種油類(lèi)及高分子聚合物，用于輸送黏稠液體。單螺桿泵適合輸送敏性物品和易受離心力等破壞的物品.廣州螺桿泵哪家便宜</p><p style="text-indent:25px">G型單螺桿泵故障與排除。廣州螺桿泵哪家便宜</p><p> 反應(yīng)的種類(lèi) </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(huì)發(fā)生溶脹、溶解、老化等反應(yīng)。 (二）腐蝕的類(lèi)型及機(jī)理 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 1.按腐蝕的機(jī)理分為化學(xué)腐蝕和電化學(xué)腐蝕兩大類(lèi) </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(duì)較小。如碳鋼在鑄造、鍛造、熱處理過(guò)程中發(fā)生的高溫氧化以及鋁在無(wú)水乙醇中的腐蝕等均屬于此類(lèi)腐蝕。實(shí)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(huì)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(guò)程均包括陽(yáng)極反應(yīng)和陰極反應(yīng)兩個(gè)過(guò)程，腐蝕過(guò)程中伴有電流的流動(dòng)，即電子和離子的運(yùn)動(dòng)。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(lèi)腐蝕。通常情況下，電化學(xué)腐蝕要比化學(xué)腐蝕強(qiáng)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 /> 廣州螺桿泵哪家便宜</p><p style="text-indent:25px">深圳市群勛科技有限公司坐落在光明新區(qū)公明街道民生路70號(hào)銘源商務(wù)大廈808室，是一家專(zhuān)業(yè)的深圳市群勛科技有限公司經(jīng)營(yíng) 微電子智能產(chǎn)品的技術(shù)開(kāi)發(fā)和銷(xiāo)售；自動(dòng)化點(diǎn)膠機(jī)、自動(dòng)化控制器、機(jī)械設(shè)備、電子產(chǎn)品、自動(dòng)化點(diǎn)膠設(shè)備及其配件的銷(xiāo)售；國(guó)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)。公司。目前我公司在職員工達(dá)到5~10人人，是一個(gè)有活力有能力有創(chuàng)新精神的高效團(tuán)隊(duì)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "視覺(jué)噴點(diǎn)膠機(jī)", "點(diǎn)膠閥", "壓力泵", "壓痕檢測(cè)機(jī)" ]。公司力求給客戶提供***質(zhì)量服務(wù)，我們相信誠(chéng)實(shí)正直、開(kāi)拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來(lái)共同的利益和進(jìn)步。經(jīng)過(guò)幾年的發(fā)展，已成為[ "視覺(jué)噴點(diǎn)膠機(jī)", "點(diǎn)膠閥", "壓力泵", "壓痕檢測(cè)機(jī)" ]行業(yè)**企業(yè)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/959199.html</p></div></div></div></div></div><div id="zmtjaht" class="page-right twoColRt"><div id="sr7v2p3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dyel8on" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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