天天躁日日躁狠狠躁欧美老妇_關(guān)于計量泵的精度問(wèn)題你了解多少-四川卓源環(huán)?？萍加邢薰?/title> <META NAME="Keywords" CONTENT="計量泵的精度"> <META NAME="Description" CONTENT="計量泵是一種可以滿(mǎn)足各種嚴格的工藝流程需要，流量可以在0-100%范圍內無(wú)級調節，用來(lái)輸送液體（特別是腐蝕性液體）一種特殊容積泵。"> <link rel="stylesheet" type="text/css" href="/skins/30724/css/style.css"> <link rel="stylesheet" type="text/css" href="/skins/30724/css/swiper.min.css"> <link rel="shortcut icon" href="/Skins/30724/favicon.ico" />   <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><samp id="i2qua"></samp><tt id="i2qua"><acronym id="i2qua"><samp id="i2qua"></samp></acronym></tt><tr id="i2qua"><center id="i2qua"><samp id="i2qua"></samp></center></tr><samp id="i2qua"></samp><samp id="i2qua"><option id="i2qua"><center id="i2qua"></center></option></samp><object id="i2qua"><wbr 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class="ss_input" placeholder="請輸入產(chǎn)品名稱(chēng)" /> <input type="submit" class="ss_btn" value="" /> </form> <div id="bl7zx77dx" class="ss_close"><a onclick="test(this)"><img src="/skins/30724/images/close.png" /></a></div> </div> </div> </div>  <div id="bl7zx77dx" class="ny_banner"><img src="/skins/30724/images/ny_banner1.jpg" /></div>  <div id="bl7zx77dx" class="ly_crumb"> <img src="/skins/30724/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>關(guān)于計量泵的精度問(wèn)題你了解多少</span></p> </div> <div id="bl7zx77dx" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">關(guān)于計量泵的精度問(wèn)題你了解多少</h1> <div id="bl7zx77dx" class="NyNewsdetail_tips">更新時(shí)間：2024-04-11 點(diǎn)擊次數：3985</div> <div id="bl7zx77dx" class="NyNewsdetail_con"> <span style="font-size: 14px;"> </span><div><span style="font-size: 14px;">　　</span><strong><a href="http://www.peliculasgratiscompletas.net/SonList-696773.html" target="_blank"><span style="font-size: 14px;">計量泵</span></a></strong><span style="font-size: 14px;">是一種可以滿(mǎn)足各種嚴格的工藝流程需要，流量可以在0-100%范圍內無(wú)級調節，用來(lái)輸送液體（特別是腐蝕性液體）一種特殊容積泵。也稱(chēng)定量泵或比例泵，屬于往復式容積泵，用于精確計量的，通常要求穩定性精度不超過(guò)±1%。隨著(zhù)現代化工業(yè)朝著(zhù)自動(dòng)化操作、遠距離自動(dòng)控制這一形勢的不斷發(fā)展，配套性強、適應介質(zhì)（液體）廣泛的優(yōu)勢尤為顯得突出。</span></div><div><span style="font-size: 14px;">　　電機經(jīng)聯(lián)軸器帶動(dòng)蝸桿并通過(guò)蝸輪減速使主軸和偏心輪作回轉運動(dòng)，由偏心輪帶動(dòng)弓型連桿的滑動(dòng)調節座內作往復運動(dòng)。當柱塞向后死點(diǎn)移時(shí)，泵腔內逐漸形成真空，吸入閥打開(kāi)，吸入液體；當柱塞向前死點(diǎn)移動(dòng)時(shí)，此時(shí)吸入閥關(guān)閉，排出閥打開(kāi)，液體在柱塞向進(jìn)一步運動(dòng)時(shí)排出。在泵的往復順還工作形成連續有壓力、定量的排放液體。<br /> </span></div><p align="center"><span style="font-size: 14px;"><img src="https://img41.hbzhan.com/9/20230809/638272164619811297984.png" width="716" height="555" align="middle" alt="" /></span></p><p><span style="font-size: 14px;"> </span></p><div><span style="font-size: 14px;">　　計量泵使用中要注意的三個(gè)精度問(wèn)題：</span></div><div><span style="font-size: 14px;">　　1)穩態(tài)精度：±2%的額定流量。如果實(shí)測100%沖程流量是1000L/h，則穩態(tài)精度允許偏差是±2%*1000=±20L/h。穩態(tài)精度是指加量泵和相關(guān)系統在不做任何調整與改變seo的前提下，在不同時(shí)間點(diǎn)對加量泵流量進(jìn)行標定，所得到的流量偏差。</span></div><div><span style="font-size: 14px;">　　2)線(xiàn)性精度：±3%的額定流量，如果實(shí)測100%沖程流量是1000L/h，則線(xiàn)性精度允許偏差是±3%*1000=±30L/h。線(xiàn)性精度是指在10%~100%行程范圍內，均勻選取不同行程點(diǎn)進(jìn)行流量標定，所得到的實(shí)測流量與*擬合值之間的偏差</span></div><div><span style="font-size: 14px;">　　3)重復精度：±3%的額定流量，如果實(shí)測100%沖程流量是1000L/h，則重復精度允許偏差是±3%*1000=±30L/h。重復精度是指在10%~100%行程范圍內，選取某個(gè)行程點(diǎn)進(jìn)行流量標定，然后改變泵的沖程運行一段時(shí)間后，再次回到原來(lái)行程點(diǎn)進(jìn)行流量標定，所得到的流量偏差。<br /> </span></div><p align="center"><span style="font-size: 14px;"><img src="https://img43.hbzhan.com/9/20231103/638346178137505380232.jpg" width="716" height="716" align="middle" alt="" /></span></p><p><span style="font-size: 14px;"> 　　哪些因素會(huì )影響其精度呢？</span></p><p><span style="font-size: 14px;">　　1)泵的結構設計：合理的結構設計可以減小泵內部的壓力損失，提高泵的工作效率，從而提高計量精度。此外，泵的內部材料也會(huì )影響其精度，如泵殼、葉輪等部件的材料應具有良好的耐磨性和耐腐蝕性，以保證長(cháng)期使用過(guò)程中不會(huì )因磨損或腐蝕而導致計量誤差。</span></p><p><span style="font-size: 14px;">　　2)泵的制造工藝：精細的制造工藝可以確保泵的各個(gè)部件尺寸準確，從而減小因尺寸偏差導致的計量誤差。此外，泵的裝配工藝也會(huì )影響其精度，如密封件的安裝、軸承的調整等環(huán)節都需要嚴格控制，以保證泵在運行過(guò)程中不會(huì )出現泄漏或振動(dòng)等問(wèn)題。</span></p><p><span style="font-size: 14px;">　　3)泵的使用和維護：正確的使用方法可以延長(cháng)泵的使用壽命，減少因故障導致的計量誤差。例如，泵在啟動(dòng)和停止時(shí)應注意平穩操作，避免因沖擊導致的壓力波動(dòng)；泵在運行過(guò)程中應定期檢查各部件的磨損情況，及時(shí)更換磨損嚴重的部件。此外，定期對泵進(jìn)行維護和保養，如清洗、潤滑、緊固等，也可以保持泵的良好工作狀態(tài)，提高計量精度。</span></p><p><span style="font-size: 14px;">　　4)流體的性質(zhì)：例如，流體的粘度、溫度、密度等因素都會(huì )影響泵的流量和壓力，從而影響計量精度。因此，在使用時(shí)，應根據流體的性質(zhì)選擇合適的泵型和參數，以保證計量精度。</span></p><p><span style="font-size: 14px;">　　5)環(huán)境因素：例如，溫度、濕度、腐蝕性氣體等因素都會(huì )對泵的材料和性能產(chǎn)生影響，從而影響計量精度。因此，在選擇時(shí)，應考慮其所處的環(huán)境條件，選擇適合的泵型和材料。</span></p> </div> <div id="bl7zx77dx" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-633693.html">帕斯菲達機械計量泵可與多種控制器匹配使用，加酸、堿各種液體</a></li> <li>下一篇：<a 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