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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧波寧海哪有實驗室氣路改造,實驗室氣路</p><p><span>***更新：</span>2020-09-05 08:12:41</p><p><span id="click" >瀏覽次數(shù)：26次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kkincsq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波榮科科技實業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>程彩云</p><p><span>郵箱: </span>2529945077@qq.com</p><p><span>電話: </span>13028978763</p><p><span>傳真: </span>1302_</p><p><span>網(wǎng)址: </span>http://www.rk-lab.cn</p><p><span>手機: </span>1302-28978763</p><p><span>地址: </span>集士港鎮(zhèn)賣面橋村</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="v3ammec" class="page-proshow02"><p class="title">詳細說明</p><div id="bjodtbo" class="box"><p><p style="text-indent:25px">實驗室氣路系統(tǒng)包括實驗室集中供氣系統(tǒng)和室內(nèi)氣瓶供氣系統(tǒng)，可以滿足不同等級要求的氣體安全使用。**供氣管路系統(tǒng)工程主要是為試/實驗室選用的分析設(shè)備提供量值和壓力穩(wěn)定的標準氣體，保證其儲存和使用的安全性。保障分析測試人員在實驗中免受有毒有害氣體的侵害。氣路安裝工程設(shè)計的初期一定要搞清楚以上各方面的要求，然后進入前期的設(shè)計步驟，氣瓶間設(shè)計的時候要考慮氣體的種類，下面為大家介紹實驗室氣路設(shè)計安裝注意事項有哪些？1、中心實驗室的所有管道應統(tǒng)籌規(guī)劃，寧波寧海哪有實驗室氣路改造、集中布置，以便于安裝、操作和檢修為布置原則；2、引入中心實驗室的所有工藝管道總管應設(shè)切斷閥，并根據(jù)需要設(shè)置壓力表，寧波寧海哪有實驗室氣路改造、溫度計、流量計、過濾器和減壓閥等。閥門或儀表宜設(shè)置在便于觀察和檢修的位置;輸送干燥氣體的管道宜水平安裝，輸送潮濕氣體的管道應有不小于0，寧波寧海哪有實驗室氣路改造.3%的坡度，坡向冷凝液體收集器。氧氣管道與其它氣體管道可同架敷設(shè)，其間距不得小于0.25m，氧氣管道應處于除氫氣管道外的其它氣體管道之上。實驗室氣路集中供氣使工作流明顯的優(yōu)化了。寧波寧海哪有實驗室氣路改造</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海哪有實驗室氣路改造,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637334531381621093/3003046.png"></div><p style="text-indent:25px">實驗氣路管道工程?B級試漏：對氣路中輕微漏氣的檢查。方法是堵住氣路出口，觀察氣路中流量計內(nèi)的轉(zhuǎn)子。如果能緩緩下降為零，即可認為此氣路B級試漏合格。如轉(zhuǎn)子不能降到零，可用肥皂水在各接頭處仔細觀察。直到找到泄漏處為止。實驗氣路管道工程C級試漏：對氣路中極小漏氣的檢查。方法是堵住氣路出口，觀察系統(tǒng)壓力表，不得在半小時之內(nèi)有5kPa(相當于0.05kgf/cm2)以上的下降。此時系統(tǒng)壓力應在0.25MPa(相當于2.5kgf/cm2)以上。必要時可在系統(tǒng)出口處外接一個0.5級標準壓力表來讀取壓力變化數(shù)。在證實氣路系統(tǒng)有泄漏時，可用分段堵住或關(guān)閉氣路的方法來縮小漏氣發(fā)生的范圍。絕大多數(shù)的漏氣點都發(fā)生于氣路接頭處，而氣路閥件內(nèi)部的泄漏也時有發(fā)生，至于管路中間的泄漏，除了急轉(zhuǎn)彎處以外是很少見的。寧波寧海哪有實驗室氣路改造針對過去使用中存在的問題，現(xiàn)代實驗室對載氣的使用環(huán)境進行了改變，即“集中供氣系統(tǒng)”。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海哪有實驗室氣路改造,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637335447697597657/1033728.png"></div><p style="text-indent:25px">實驗室氣路集中供氣設(shè)計要求：當今實驗室設(shè)備使用高純氣體的可靠連續(xù)的供應源，氣體通過管道系統(tǒng)輸送至實驗室內(nèi)，并可通過安裝在工作臺上的使用點二級減壓器方便地調(diào)節(jié)壓力和流量。國內(nèi)比較老的實驗室在使用氣體的時候大多是將氣瓶放在用氣點的旁邊，然后在氣瓶出口處安裝一個減壓器，然后直接通過紫銅管或四氟軟管連接到儀器上，如果一個實驗室里有多個使用設(shè)備時，就會有很多氣瓶，同時有很多雜亂的管路，同時這些氣體不乏有易燃易爆氣體、有毒氣體、強腐蝕氣體，以及氣瓶出口高壓等因素，使得這種方式在現(xiàn)實使用過程中是充滿危險性的。</p><p style="text-indent:25px">實驗室氣路管道系統(tǒng)工程中，根據(jù)國標要求，將所用全部氣路存放于儲氣間，并實現(xiàn)集中輸送，組成**供氣系統(tǒng)。系統(tǒng)采用多拖一、一拖多、一拖一和多拖多的管道式輸氣方式，在一拖多時能夠?qū)崿F(xiàn)分段控制和在多拖-和多拖多時能夠?qū)崿F(xiàn)切換控制；同時還要能夠保證標準氣路流量、壓力穩(wěn)定和量值傳遞不發(fā)生變化，滿足分析檢測設(shè)備對使用氣路的技術(shù)要求。其中**臺氣路管路的引入通過服務(wù)柱。所有氣路管路的連接采用無縫焊接。所有的氣路管路在工作臺上有合適的控制閥門，便于操作。氣路管路為不銹鋼，在管路上有個過慮雜質(zhì)和水分的凈化裝置。此凈化裝置并聯(lián)一管路，用單獨的閥門隔離，這樣在不影響正常使用情況下，可以對過濾裝置進行維修。引入普通分析實驗室的壓縮空氣都至少需要有2個壓縮空氣鋼瓶的備份。實驗室氣路管道不應與管道系統(tǒng)一起進行壓力測試的管道附件應拆除。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海哪有實驗室氣路改造,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637334531437324218/8880685.png"></div><p style="text-indent:25px">實驗室氣路管道工程如何安全設(shè)置?輸氣管道可能承受許多外力，包括自身重量、作用在管端的氣體推力、風和雪荷載、土壓力、熱膨脹和收縮引起的熱應力、振動荷載和地震災害。為了保證管道的強度和剛度，氣體管道工程中設(shè)置了各種支撐(懸掛)架，如活動支撐、固定支撐、導向支撐和彈簧支撐。固定支架用于分段控制管道的熱伸長，使膨脹節(jié)工作均勻。導向支架*允許管道軸向移動。蒸汽或其他含水氣體管道在低點設(shè)有排水管或疏水閥，一些氣體管道還設(shè)有氣水分離器，以便及時排出水和液體，防止水錘和堵塞管道內(nèi)的氣流。3、氣體管道工程在供水或其他液體管道的高點設(shè)有排氣裝置，消除管道中積聚的空氣或其他氣體，以防止因異常運行而造成空氣阻力。實驗室使用集中供氣系統(tǒng)減少分子篩損耗。寧波鎮(zhèn)海實驗室氣路改造施工企業(yè)</p><p style="text-indent:25px">實驗室使用集中供氣系統(tǒng)中，所有氣瓶均集中在同一位置。寧波寧海哪有實驗室氣路改造</p><p style="text-indent:25px">化學實驗室氣路通風系統(tǒng)的問題：（1）靠近排氣量的設(shè)計值，送風量，但明顯低于設(shè)計值，從而導致過度的風起來。化妝空氣通過間隙室內(nèi)實驗室的門窗進入，導致負壓室過大，比一般要求（-5?-10Pa）時，室內(nèi)出現(xiàn)的毛感強，狹縫窗口出現(xiàn)嘯叫，很難打開門，透過窗戶縫以外的降雨是造成這種現(xiàn)象的室內(nèi)污染的吸入。（2）通風系統(tǒng)采用PLC控制設(shè)計，即風量根據(jù)通風柜的使用數(shù)量手動進行有級調(diào)節(jié)，但實驗人員嫌操作麻煩，經(jīng)常不關(guān)閉空閑通風柜的調(diào)節(jié)門，也不手動進行風量調(diào)節(jié)，導致通風柜的操作面風速變化很大，在通風柜調(diào)節(jié)門開度均為0.3m/s~0.5m/s，比較正常，但開度均變小時可2m/s。風速過高導致亂流，部分有害氣體被亂流帶出通風柜進入房間，房間刺激性氣味彌漫，危害人員的健康。化學實驗室氣路通風由于換氣次數(shù)很高，排風量很大，且實驗過程有熱量產(chǎn)生，現(xiàn)有空調(diào)不能滿足室內(nèi)的制冷采暖要求，導致室內(nèi)溫度過高或過低（夏季經(jīng)常在30℃以上，而冬季則接近外界空氣溫度），達不到舒適性要求。排風量過大使得通風和空調(diào)能耗過大，造成電量的浪費嚴重。寧波寧海哪有實驗室氣路改造</p><p style="text-indent:25px">寧波榮科科技實業(yè)有限公司總部位于集士港鎮(zhèn)賣面橋村，是一家業(yè)務(wù)范圍覆蓋實驗建設(shè)的全周期，涵蓋實驗室整體規(guī)劃設(shè)計，實驗室家具，實驗室凈化工程，實驗室廢氣處理等多個專業(yè)領(lǐng)域。主營產(chǎn)品包含實驗邊臺、**臺、天平臺、通風柜、藥品柜、器皿柜、氣瓶柜及實驗室配套系列，如水槽**、滴水架、洗眼器、原子吸收罩、貨架等。的公司。榮科科技深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的實驗室氣路工程，實驗室通風工程，實驗室家具、裝修，實驗臺、通風柜、實驗柜。榮科科技始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。榮科科技創(chuàng)始人許公飛，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1163221.html</p></div></div></div></div></div><div id="jygrblm" class="page-right twoColRt"><div id="papo4fo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="r2c9anh" 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" class="vcenter" 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