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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3umjves" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905917968/581422.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ku7o87w" 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>廣東螺桿泵廠家價格</p><p><span>***更新：</span>2020-06-28 12:48:49</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="gvsp3ug" 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="qf7382y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bvs29j8" class="box"><p><p> 污泥螺桿泵因其有可變量輸送、自吸能力強(qiáng)、可逆轉(zhuǎn)、能輸送含固體顆粒的液體等特點，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)、合理的原則。如果在設(shè)計選型方面考慮不周，會給以后的使用、管理、維修帶來麻煩，所以選用一臺按生產(chǎn)實際需要，合理可靠的污泥螺桿泵既能保證生產(chǎn)順利進(jìn)行，又可降低修理成本。 </p> <p> 一、污泥螺桿泵的轉(zhuǎn)速選用 </p> <p> 螺桿泵的流量與轉(zhuǎn)速成線性關(guān)系，廣東螺桿泵廠家價格，相對于低轉(zhuǎn)速的污泥螺桿泵，高轉(zhuǎn)速的污泥螺桿泵雖能增加了流量和揚(yáng)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，必定使污泥螺桿泵過早失效，廣東螺桿泵廠家價格，而且高轉(zhuǎn)速污泥螺桿泵的定轉(zhuǎn)子長度很短，廣東螺桿泵廠家價格，極易磨損，因而縮短了螺桿泵的使用壽命。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東螺桿泵廠家價格" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905917968/581422.jpg"></div><p> 3、螺桿泵的螺桿在機(jī)筒內(nèi)轉(zhuǎn)動，物料與二者的摩擦，使螺桿與機(jī)筒的工作表面逐漸磨損：螺桿直徑逐漸縮小，機(jī)筒的內(nèi)孔直徑逐漸加大。這樣，螺桿與機(jī)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(jī)筒前面機(jī)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(jī)械生產(chǎn)量下降。這種現(xiàn)象又使物料在機(jī)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(qiáng)了對螺桿和機(jī)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(jī)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(qiáng)度極限，使螺桿扭斷。這是一種非常規(guī)***損壞。 </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東螺桿泵廠家價格" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg"></div><p> 在螺桿泵的水力特征檢測中，輕易涌現(xiàn)容積效力大于100％的狀況，同時螺桿泵實踐排量的盤算方式存在爭議，為處理這個問題筆者在對螺桿泵水力特征實驗數(shù)據(jù)和檢測體系鉆研基本上，展開了螺桿泵容積效力的鉆研，對螺桿泵容積效力的檢測提出了幾點熟悉。 </p> <p> 螺桿泵是一種旋轉(zhuǎn)容積泵，其容積效力隨壓力的降低而降落，額外壓力下的容積效力大小是判斷泵及格與否的重要根據(jù)。在螺桿泵的水力特征實驗中，會涌現(xiàn)容積效力大于100％的狀況，一種是在零壓力點和非零壓力點下都涌現(xiàn)容積效力大于100％，同時在零壓力點容積效力為100％時在非零壓力點也會涌現(xiàn)容積效力大于100％的狀況。針對這個問題筆者對螺桿泵容積效力展開了實驗鉆研，并對實驗數(shù)據(jù)進(jìn)行了剖析。 </p> <p> <br /> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/423294.html</p></div></div></div></div></div><div id="fjlskeb" class="page-right twoColRt"><div id="ncugict" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aprt2uw" 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 id="lvszw4q" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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