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<div>　　實(shí)驗(yàn)室氮?dú)獍l(fā)生器是根據(jù)變壓吸附原理，采用碳分子篩作為吸附劑，在額定的壓力下，從空氣中制取氮?dú)?。?jīng)過純化干燥的壓縮壓力，在吸附中進(jìn)行加壓吸附、減壓脫附。由于空氣動力學(xué)效應(yīng)，氧在碳分子篩微孔中擴(kuò)散速率遠(yuǎn)大于氮，氧被碳分子篩優(yōu)先吸附，氮在氣相中被富集起來，形成成品氮?dú)狻Ｈ缓蠼?jīng)過減壓至常壓，吸附劑脫附所吸附的氧氣等雜質(zhì)，實(shí)現(xiàn)再生。</div><div> </div><div>　　實(shí)驗(yàn)室氮?dú)獍l(fā)生器集成了全部控制系統(tǒng)成為一個模塊，這樣設(shè)計(jì)是便于維護(hù)和更換，也減少了聯(lián)接點(diǎn)故障，即使日后使用中出了故障也不會受影響正常使用，可快速更換。采用可對入箱氮?dú)鈮毫M(jìn)行調(diào)壓，可將壓力調(diào)至略高于大氣壓。造成箱內(nèi)外微壓差就可以，避免因泄漏引起的頻繁開閉進(jìn)氣，使得箱內(nèi)氣壓均勻，提高物品的防氧化性，且節(jié)約氮?dú)?。此控制系統(tǒng)同等條件下至少可以節(jié)約40%的氮?dú)狻?/div><div> </div><p align="center"><img src="https://img64.chem17.com/9/20220516/637882906117358935813.jpg" width="500" height="500" align="middle" alt="" /></p><p> </p><div>　　此系統(tǒng)采用高低流量控制。當(dāng)箱門打開，濕度快速上升時，系統(tǒng)會自動打開大流量計(jì)向箱內(nèi)噴入氮?dú)?，造成箱?nèi)外氣壓差，阻止空氣進(jìn)入。當(dāng)箱門關(guān)閉濕度達(dá)到設(shè)定濕度時，大流量計(jì)停止供氣，自動起動小流量計(jì)補(bǔ)氣，造成箱內(nèi)外微壓差即可，大小流量計(jì)流量均可按儲物性質(zhì)自行設(shè)定，真正實(shí)現(xiàn)了快速除濕和節(jié)氣的雙重效應(yīng)。降低使用成本，高低流量計(jì)開閉由軟件控制自動切換，無需人工操作。</div><div> </div><div>　　那么如何排空氮?dú)饽?？電源開關(guān)處于關(guān)閉狀態(tài)，打開儀器的氮?dú)獬隹诨蛴脷庠O(shè)備的出氣口，使氮?dú)鈮毫Φ陀?.1Mpa以下方可慢慢打開凈化器蓋取出干燥器。建議每工作600小時，更換內(nèi)置凈化器中的吸附劑。其中一級凈化劑為鈀觸媒，二級凈化劑為變色硅膠。用戶也可通過觀察硅膠的顏色變化確定是否更換吸附劑，當(dāng)變色硅膠變?yōu)榉奂t色時請立刻更換或再生：再生的同時需再生一級凈化器中的鈀觸媒。</div> </div> <div id="brgz84z9ib" class="ly_PrevNext"> <i><img src="/skins/347685/images/prev_icon.png" /></i> <ul> <li>上一篇：<a href="/Article-3029133.html">啟動零級空氣發(fā)生器前要做好以下準(zhǔn)備工作</a></li> <li>下一篇：<a href="/Article-2980516.html">實(shí)驗(yàn)室氫氣發(fā)生器啟動時流量示數(shù)很大的原因說明</a></li> </ul> </div> </div> </div> </div>   <div id="brgz84z9ib" class="foot_box"> <div id="brgz84z9ib" class="footCon"> <div id="brgz84z9ib" class="foot_t 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