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02:10:06</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="u8ykri8" 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="guq8gsj" class="page-proshow02"><p class="title">詳細說明</p><div id="imyp2gv" class="box"><p><p style="text-indent:25px">實驗室氣路工程流量的調(diào)節(jié)形式：1、流量調(diào)不上去：(1)直觀檢查：首先檢查儀器系統(tǒng)是否有明顯的漏氣聲，寧波實驗室氣路工程裝修。在儀器系統(tǒng)氣路有較大的泄漏發(fā)生時，很可能導(dǎo)致流量調(diào)不上去。如果聽不到漏氣聲則轉(zhuǎn)入進行。(2)查漏：聽到有漏氣聲之后，可依照聲音發(fā)出的方向而逐步定位。此時可利用皂液的涂抹進一步確定漏氣的發(fā)生處。找到原因后及時堵漏。(3)柱前壓觀察：觀察柱前壓指示表的數(shù)值大小，可迅速判斷是氣源引起的故障，還是儀器內(nèi)部氣路堵塞及損傷造成的。如果是柱前壓太低(精確地說是比正常流量操作時的預(yù)定壓力值低)，則說明氣源需要檢查;如果柱前壓正常則需要檢查儀器的內(nèi)部氣路。(4)鋼瓶高壓檢查：打開鋼瓶閥后，觀察高壓表指示，壓力應(yīng)在1~15MPa之間。如果壓力在1MPa以下，停用該鋼瓶，換氣;如壓力值在合適的范圍內(nèi)，說明鋼瓶壓力正常。(5)減壓閥上低壓輸出檢查：調(diào)節(jié)減壓閥看鋼瓶上低壓表指示能否調(diào)到0.25~0.6MPa之間。如果正常，寧波實驗室氣路工程裝修，可懷疑氣路過濾接頭有堵塞或者是儀器上的穩(wěn)定閥有問題，此時應(yīng)按照(6)來進行;如低壓值不正常，則說明減壓閥有問題，寧波實驗室氣路工程裝修，需進行修理。良好的施工質(zhì)量是保證實驗室供氣系統(tǒng)質(zhì)量的重要因素。寧波實驗室氣路工程裝修</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室氣路工程裝修,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637334531233144531/8961419.png"></div><p style="text-indent:25px">實驗室氣路系統(tǒng)的優(yōu)點：1.高效率。通過供氣控制系統(tǒng)，可充分使用鋼瓶中的氣體，減少殘氣余量，降低用氣成本。2.操作簡便。所有氣瓶均集中在同一位置，減少了搬運安裝等操作，更節(jié)約時間及成本費用。3.減少氣瓶的租金。采用**供氣系統(tǒng)，可減少對氣瓶數(shù)量的要求，從而節(jié)省氣瓶的租用和購買成本。4.減少分子篩損耗。控制氣體純度可有效地減少數(shù)派對分子篩的使用量(節(jié)約成本)。5.無氣瓶在實驗室中采用**供氣系統(tǒng)意味著實驗室中沒有氣瓶裝備，有如下好處：提高安全性。氣瓶可能倒地而導(dǎo)致?lián)p壞或傷害。提高安全感。氣瓶可能導(dǎo)致氣體泄漏、火災(zāi)等危險情況。節(jié)省空間。從實驗室移走氣瓶可空出更多的實驗空間。寧波專業(yè)做實驗室氣路安裝實驗室氣路系統(tǒng)方便檢查和維修。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室氣路工程裝修,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637334531437324218/8880685.png"></div><p style="text-indent:25px">實驗室供氣系統(tǒng)按其供應(yīng)方式可分為集中供氣與分散供氣。實驗室供氣系統(tǒng)雖然投資份額比較小，但對實驗室的安全性有重要的影響。首先，氣瓶間必須采取的專業(yè)的通風、防爆措施：其次，氣路系統(tǒng)要有泄漏報警、緊急切斷和強排風等裝置，第三，為了保證氣體純度和氣壓的穩(wěn)定性，必須進行多級減壓供氣，設(shè)置氣路吹掃、排空等設(shè)施。實驗室氣路安裝所有氣體管路都由高質(zhì)量的、完全退火型、無縫連接的不銹鋼管（BA級）組成。銅管只使用在氣體管路的末端，對氣體純度要求不是太嚴格的地方。</p><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(yīng)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。實驗室氣路集中供氣使更多的統(tǒng)一規(guī)范管理的圓柱體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室氣路工程裝修,實驗室氣路" src="https://tyunfile.71360.com/UploadFile/rongke/637334531381621093/3003046.png"></div><p style="text-indent:25px">學(xué)校實驗室氣路安裝要求：1、所有氣體管道由好的、完全退火型、無縫連接的不銹鋼管道 (BA 級) 組成。銅管*在氣體管道末端使用，并且對氣體純度的要求也不是太嚴格的地方。2、氣路安裝管道不得與電纜、導(dǎo)線敷設(shè)在同一框架上。3、易燃氣體，如乙炔，需與其它氣體分開引入。如果氫氣管道與其他可燃氣體管道平行敷設(shè)，間距不應(yīng)小于 0.5 M; 交叉敷設(shè)時間距離不應(yīng)小于 0.25 M。分層鋪設(shè)時，氫管道應(yīng)位于上方。4、壓縮空氣在管道上的雜質(zhì)和濕氣有過濾凈化裝置。這種凈化裝置需要并聯(lián)一路，用單獨的閥門進行隔離，便于過濾裝置的維護。5 、高純度氣體管道的連接采用無縫焊接。只有在連接到閥門或調(diào)節(jié)裝置時，才能使用連接器配件。6 、各實驗室必須有單獨的控制閥、減壓閥、壓力表。7、通往工作臺的氣體管道應(yīng)配備單獨的控制閥。在工作臺上均勻排放各種氣體的控制閥。建議在 He氣管道前安裝氣體凈化裝置。8、氣體管道每 1.5 m左右需要一個支架。另外，根據(jù)氣體管道彎曲的半徑，設(shè)置合適的支架位置。必須所有彎曲點都要有支撐。氣路安裝的所有支架都應(yīng)進行鍍鋅和防腐處理。實驗室氣路通風設(shè)計要保證實驗室控制系統(tǒng)的穩(wěn)定。寧波專業(yè)做實驗室氣路安裝</p><p style="text-indent:25px">實驗室氣路改造要求所有這些氣體通過管路都由企業(yè)高質(zhì)量的銅管或不銹鋼管（BA級）組成。寧波實驗室氣路工程裝修</p><p style="text-indent:25px">實驗室氣路通風設(shè)計要求系統(tǒng)反應(yīng)快、控制精度高。反應(yīng)速度是實驗室氣流控制較重要的因素之一,反應(yīng)速度過慢,往往會導(dǎo)致通風柜內(nèi)氣體外溢,或者室內(nèi)在某些時間內(nèi)產(chǎn)生正壓?？刂凭葧苯佑绊懣刂菩Ч暮脡?，控制精度低會使得氣流組織出現(xiàn)較**動。兩者達不到要求，均可能導(dǎo)致安全事故。運行維護簡單。要保證實驗室控制系統(tǒng)的穩(wěn)定，控制系統(tǒng)的設(shè)計和運行必須自動化程度高，簡單可靠，以降低實驗室操作人員操作和維護人員的維護強度及費用。寧波實驗室氣路工程裝修</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2995598.html</p></div></div></div></div></div><div id="warycd7" class="page-right twoColRt"><div id="g3krtfr" class="box01 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