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class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900957031/888996.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jyqnfr4" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900957031/888996.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oxzbiuo" 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>廣東螺桿泵制作廠家,螺桿泵</p><p><span>***更新：</span>2020-10-15 01:04:20</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="gac2cey" 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="ngyvhdn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ictqctq" class="box"><p><p style="text-indent:25px">螺桿泵的腐蝕與防護(hù)，螺桿泵輸送的液體種類很多，液體的性質(zhì)和螺桿泵的操作條件也是千差萬別的，如液體的溫度可高達(dá)幾百度，壓力可達(dá)幾十兆帕，有的介質(zhì)呈酸性，有的介質(zhì)呈堿性?有的介質(zhì)腐蝕性強，有的介質(zhì)腐蝕性弱等。為了滿足以上要求，除了采用不同類型的螺桿泵以外，還要了解不同的液體在各種條件下對金屬材料的腐蝕情況，從而針對不同的液體來選擇合適的耐腐蝕螺桿泵用于各類化工生產(chǎn)工藝流程中去，并且采取相應(yīng)的防腐措施以延長螺桿泵的使用壽命，這也是石油化工用螺桿泵的一個非常重要的問題。多數(shù)螺桿泵是由金屬材料制造的，金屬材料腐蝕的規(guī)律比較復(fù)雜，不同的材料在同一種介質(zhì)中的腐蝕情況各不相同，同一種材料在不同介質(zhì)中的腐蝕情況也大相徑庭，比如碳鋼在稀***中腐蝕速度很快，但在濃***中卻相當(dāng)穩(wěn)定；普通的18-8型奧氏體不銹鋼能耐硝酸、冷磷酸、許多鹽類及堿溶液、水和蒸汽、石油產(chǎn)品等化學(xué)介質(zhì)的腐蝕，但是對***、鹽酸、氫氟酸，廣東螺桿泵制作廠家、鹵素、草酸等的化學(xué)穩(wěn)定性比較差；鋁在稀***和發(fā)煙***中穩(wěn)定，在中等和高濃度的***中卻不穩(wěn)定。因此，必須首先了解金屬腐蝕的原因和種類，廣東螺桿泵制作廠家，廣東螺桿泵制作廠家，才能針對特定的化工物料，正確選用合適的耐腐蝕螺桿泵并采取合理的防腐措施。螺桿泵由于其結(jié)構(gòu)特點。廣東螺桿泵制作廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東螺桿泵制作廠家,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876900957031/888996.jpg"></div><p> 2、單螺桿泵的運行 </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，應(yīng)檢查壓力、溫度和機械密封。對于軸封，應(yīng)有輕微泄漏。如果泄漏量不超過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、耦合損失和泵的過度磨損造成的。 </p> <p> <br /> </p> <p> 3、單螺桿泵停車 </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 /> 直銷螺桿泵供貨廠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.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東螺桿泵制作廠家,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906445312/5967838.jpg"></div><p> 二、螺桿泵的轉(zhuǎn)速選用 </p> <p> <br /> </p> <p> 螺桿泵的流量與轉(zhuǎn)速成線性關(guān)系，相對于低轉(zhuǎn)速的螺桿泵，高轉(zhuǎn)速的螺桿泵雖然能增加了流量和揚程，但功率明顯增大，高轉(zhuǎn)速加速了轉(zhuǎn)子與定子間的磨耗，必定使螺桿泵過早失效，而且高轉(zhuǎn)速螺桿泵的定轉(zhuǎn)子長度很短，極易磨損，因而縮短了螺桿泵的使用壽命。 </p> <p> <br /> </p> <p> 三、確保雜物不進(jìn)入泵體 </p> <p> <br /> </p> <p> 濕污泥中混入的固體雜物會對螺桿泵的橡膠材質(zhì)定子造成損壞，所以確保雜物不進(jìn)入泵的腔體是很重要的，很多污水廠在泵前加裝了粉碎機，也有的安裝格柵裝置或濾網(wǎng)，阻擋雜物進(jìn)入螺桿泵，對于格柵應(yīng)及時清撈以免造成堵塞。 </p> <p> <br /> </p><p> 下面以三螺桿為例。 </p> <p> 它主要是由固定在泵體中的襯套（泵缸）以及安插在泵缸中的主動螺桿和與其嚙合的兩根從動螺桿所組成。三根互相嚙合的螺桿，在泵缸內(nèi)按每個導(dǎo)程形成為一個密封腔，造成吸排口之間的密封。 </p> <p> 泵工作時，由于兩從動螺桿與主動螺桿左右對稱嚙合，故作用在主動螺桿上的徑向力完全平衡，主動螺桿不承受彎曲負(fù)荷。從動螺桿所受徑向力沿其整個長度都由泵缸襯套來支承，因此，不需要在外端另設(shè) 軸承，基本上也不承受彎曲負(fù)荷。在運行中，螺桿外圓表面和泵缸內(nèi)壁之間形成的一層油膜，可防止金屬之間的直接接觸，使螺桿齒面的磨損**減少。 </p> <p> 螺桿泵工作時，兩端分別作用著液體的吸排壓力，因此對螺桿要產(chǎn)生軸向推力。對于壓差小于10千克力/cm2 的小型泵，可以采用止推軸承。此外，還通過主動螺桿的**油孔將高壓油引入各螺桿軸套的底部，從而在螺桿下端產(chǎn)生一個與軸向推力方向相反的平衡推力。 </p> <p> 螺桿泵和其它容積泵一樣，當(dāng)泵的排出口完全封閉時，泵內(nèi)的壓力就會上升到使泵損壞或使電動機過載的危險程度。所以，在泵的吸排口處，就必須設(shè)置安全閥。 </p> <p> 螺桿泵的軸封，通常采用機械軸封，并可根據(jù)工作壓力的高低采取不同的形式。 </p> <p> <br /> 使泵排量與流入井底的液量相匹配，就可以提高效率和降低成本。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東螺桿泵制作廠家,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906074218/7463302.jpg"></div><p> 單螺桿泵定子拆卸過程，首先確保您泵里面的介質(zhì)排空，不然回頭會流到到處都是。 </p> <p> 在拆卸單螺桿泵定子之前，明杰泵閥建議您先把您這臺泵的結(jié)構(gòu)弄清楚。當(dāng)然本章介紹的是拆卸定子，是通用的。后面介紹轉(zhuǎn)子、中間軸、傳動軸、密封就不一樣了。這里我們首先要認(rèn)識以下幾個部件（可能每個廠家的叫法不一樣）： </p> <p> 出料口 </p> <p> 定子 </p> <p> 吊緊螺栓 </p> <p> 聯(lián)軸器（有的地方叫靠背輪） </p> <p> 下面開始講解單螺桿泵定子的拆卸過程：首先確保有無生銹，有銹的話上點除銹劑。。。。。 </p> <p> <br /> 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。河源螺桿泵</p><p style="text-indent:25px">在泵的吸入口和排出口之間，就會被分隔成一個或多個密封空間。廣東螺桿泵制作廠家</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?？墒牵捎跈C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(jìn)時的漏流量，即物料從直徑間隙處向進(jìn)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 /> 廣東螺桿泵制作廠家</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。群勛科技致力于為客戶提供良好的視覺噴點膠機，點膠閥，壓力泵，壓痕檢測機，一切以用戶需求為中心，深受廣大客戶的歡迎。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)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(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的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1555318.html</p></div></div></div></div></div><div id="rbyqc8c" class="page-right twoColRt"><div id="kjqhyso" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="akhof3c" 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="w8kczjl" class="recomPic likePro"><a 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