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#f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>寧波實驗室管道通風找哪家,實驗室通風</p><p><span>***更新：</span>2021-01-25 08:11:19</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="vtbh3n3" 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="37nbj5r" class="page-proshow02"><p class="title">詳細說明</p><div id="7hnnjzv" class="box"><p><p style="text-indent:25px">實驗室通風的基本概念：通風和通風柜的概念:所謂通風，就是把室內的污濁空氣直接或經(jīng)凈化后排至室外把新鮮空氣補充進來，從而保持室內的空氣條件，以保持衛(wèi)生標準和滿足生產(chǎn)工藝的要求，我們把前者稱為排風，后者稱為送風。而通風柜可以簡單理解成一個箱體和一個風機，產(chǎn)生于箱體中的氣體被風機排出并被安全的排放到大氣。通風的分類:按照動力不同，通風系統(tǒng)可以分為自然通風和機械通風，機棫通風又可以分為通風和局部通風，寧波實驗室管道通風找哪家，通風是指在房間內整體的進行通風換氣的一種方式，寧波實驗室管道通風找哪家，局部通風是指通風的范圍控制在有害物質形成比較集中的地方，或是工作人員經(jīng)常活動的局部地區(qū)的通風方式，寧波實驗室管道通風找哪家，例如通風柜、萬向排煙罩、原子吸收罩等。實驗時，在距玻璃視窗150mm內不要放任何設備，大型實驗設備要有充足的空間。寧波實驗室管道通風找哪家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室管道通風找哪家,實驗室通風" src="https://tyunfile.71360.com/UploadFile/rongke/637334530724189453/2933010.png"></div><p style="text-indent:25px">實驗室管道系統(tǒng)安裝的技術要求：對于相同管徑的吊架應等距離排列，但不能將吊架位置設置在風口.風閥.檢視門及測定孔等部位;吊桿不宜直接固定在法蘭上。風管支撐距離不得低于國標(GB50234-97)。支、吊架上的螺孔應采用機械加工，不得用氣割開孔。靠墻安裝的垂直風管應用斜撐支架，不靠墻、柱穿樓板安裝的垂直風管采用抱箍支架;水平風管支吊架的吊桿應平直，螺紋應完整、光潔。圓形風管采用承插連接。風管的彎管曲率半徑一般為1倍邊長，至小不應少于200mm，彎曲向尺寸或等于 500mm的應設導流片(內外弧的彎頭可不裝設導流片)。排風管應做好防凝結水和風管內水凝結水回流裝置。水平管保持一定的坡度，坡向室外立管。室外立管應做好排凝結水裝置。風管水平安裝時，其支、吊架間距不大于3m，不能用法蘭作支、吊點，風管安裝調節(jié)風閥時，應標明啟閉方位，以便于操作。寧波實驗室管道通風找哪家通風柜殼體選用金屬材料，防火不燃。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室管道通風找哪家,實驗室通風" src="https://tyunfile.71360.com/UploadFile/rongke/637334530661992187/2611797.png"></div><p style="text-indent:25px">一般在原子吸收室、分光光度室、原子熒光室等使用不銹鋼原子吸收罩。若高溫室中需要通風也可以采用不銹鋼原子吸收罩。原子吸收分光光度分析法是將被測元素的化合物置于高溫下，使其解離為基態(tài)原子。當元素燈發(fā)出的、與被測元素的特征波長相同的光輻射穿過一定厚度的原子蒸汽時，光的一部分被原子蒸汽中的基態(tài)原子所吸收。原子吸收罩又稱為伸縮式原子吸收罩，304不銹鋼材質原子罩、特殊型原子吸收罩：吸收罩主體：材質為304不銹鋼，大小約為400*400，或400*300，高度為250，（也可定制尺寸）。</p><p style="text-indent:25px">試驗室中所選用的通風柜歸納起來有以下幾種：　　1、自然通風式通風柜：長處是不耗電；能日夜連續(xù)換氣（經(jīng)實測室內換氣可達6次/h），有利于室內換氣；無噪聲和振蕩；因為沒有機械設備，簡略保養(yǎng)；結構簡略，造價低價。但它的運用受必定條件約束，凡毒性較高和不發(fā)生熱量的試驗，都不宜選用，有的房間，在夏日也不宜運用。　　2、活動式通風柜：在現(xiàn)代化試驗室修建中，有時還裝備一種通用試驗室（試驗大廳），其間的試驗工作臺、水盆通風柜等設備都可隨時移動，不用時也可推入鄰近的貯藏室。這種通風柜宜用木材、塑料或輕金屬制造，以便移動。實驗結束前至少還要繼續(xù)運行5分鐘以上才可關閉通風柜，以排出管道內的殘留氣體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室管道通風找哪家,實驗室通風" src="https://tyunfile.71360.com/UploadFile/rongke/637334530644863281/1024337.png"></div><p style="text-indent:25px">前方中間為可上下移動的透明門（多為玻璃），開啟高度一般為100-600毫米。門后為實驗進行的工作面，有水管、下水道、電源、真空泵、氣路管線等實驗需要的連接，上有帶保護罩的燈照明?？諝庥晒駜惹吧戏降呐棚L扇抽走后，或經(jīng)管道引到別處（稱為全通風），或經(jīng)過濾重新循環(huán)使用（成為無管通風）。多數(shù)通風柜在（1）排氣量過?。?）前方玻璃門開啟過大的時候會發(fā)出警報，提醒操作者注意，一般玻璃門開啟后操作口風速不應低于0.5m/s，內部的排風扇速度和燈都有開關可調。使用的時候人站或坐于柜前，將玻璃門盡量放低，手通過門下伸進柜內進行實驗。由于排風扇通過開啟的門向內抽氣，在正常情況下有害氣體不會大量溢出。通風控制系統(tǒng)可根據(jù)不同的情況采用不同的控制方式，為使各單臺設備排風量達到設計要求。寧波實驗室管道通風找哪家</p><p style="text-indent:25px">實驗室通風柜是實驗室家具中必不可少的一種。在實驗室中起到排風和換氣的功效。寧波實驗室管道通風找哪家</p><p style="text-indent:25px">鋼木通風柜的立柱及面板、百葉窗部分：采用厚度為1.2mm好的冷軋鋼板經(jīng)專用機床裁剪、沖壓、折彎、氣體保護焊接制作而成，表面經(jīng)除油、酸洗、磷化等防銹工藝處理，再經(jīng)環(huán)氧樹脂噴塑工藝處理，具有耐強酸堿、耐腐蝕、耐沖擊、韌性強等特點。鋼材表面平整光滑，不允許有明顯焊疤、鼓泡、凹陷、壓痕、劃痕、裂痕、麻點、崩角和刃口等缺陷。視窗：采用6mm厚專業(yè)防爆玻璃，視窗采用無間斷平衡、隱蔽式結構設計。視窗配重平衡，保證視窗的平穩(wěn)開、關，視窗上下滑動自如，可停留在任意位置，在通風柜視窗與通風柜工作臺面垂直閉合處，設計留有防止氣體外溢的氣流柵，用以防止因溫差而產(chǎn)生的對流氣體外溢，保證當視窗關閉風機仍工作時，柜體內工作區(qū)不會產(chǎn)生負壓。寧波實驗室管道通風找哪家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3003634.html</p></div></div></div></div></div><div id="55rf5pd" class="page-right twoColRt"><div id="zpxvl5t" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bjzf7f3" 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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