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class="w1200 clear ny_newsdetail"> <h1 class="ny_newsdetail_title">天平安全稱量罩的深入解析</h1> <div id="a2qcm4d8" class="ny_newsdetail_tips">更新時(shí)間：2025-03-26 點(diǎn)擊次數(shù)：83</div> <div id="a2qcm4d8" class="ny_newsdetail_con"> <div>　　<strong>天平安全稱量罩</strong>是一種專為實(shí)驗(yàn)室和工業(yè)環(huán)境設(shè)計(jì)的防護(hù)設(shè)備，其核心功能是通過物理隔離和氣流控制確保稱量過程的安全性與精度。<br /> </div><div>　　1. 核心定義與功能<br /> </div><div>　　<strong>天平安全稱量罩</strong>主要用于保護(hù)天平及待測物質(zhì)免受外界干擾，適用于處理有毒、揮發(fā)性或高活性物質(zhì)(如藥品、化學(xué)試劑)。其核心功能包括：<br /> </div><div>　　環(huán)境隔離：阻隔空氣流動(dòng)、粉塵、濕度變化對稱量結(jié)果的影響。<br /> </div><div>　　人員防護(hù)：防止有害物質(zhì)泄露，保障實(shí)驗(yàn)人員安全。<br /> </div><div>　　合規(guī)性：符合制藥行業(yè)OEB 4/5標(biāo)準(zhǔn)(高活性藥物泄露量低于1μg/m³)。<br /> </div><div>　　2. 結(jié)構(gòu)與設(shè)計(jì)特點(diǎn)<br /> </div><div>　　材質(zhì)與構(gòu)造：<br /> </div><div>　　外殼：采用冷軋鋼板或鍍鋅鋼板，表面經(jīng)環(huán)氧樹脂噴涂，耐腐蝕且易清潔。<br /> </div><div>　　前窗：防爆鋼化玻璃或亞克力板，兼顧可視性與安全性。<br /> </div><div>　　內(nèi)部配置：<br /> </div><div>　　HEPA過濾器(對0.3μm粒子過濾效率≥99.995%)+ 活性炭吸附層，去除粉塵和有害氣體。<br /> </div><div>　　實(shí)時(shí)溫濕度監(jiān)控、過濾器飽和報(bào)警系統(tǒng)。<br /> </div><div>　　負(fù)壓設(shè)計(jì)：通過風(fēng)機(jī)抽取空氣形成負(fù)壓，防止物質(zhì)外泄。<br /> </div><div>　　安全細(xì)節(jié)：<br /> </div><div>　　前窗開啟高度超限自動(dòng)報(bào)警，避免操作風(fēng)險(xiǎn)。<br /> </div><div>　　防泄露門檻可滯留外泄液體，符合實(shí)驗(yàn)室安全規(guī)范。<br /> </div><div>　　3. 工作原理<br /> </div><div>　　負(fù)壓技術(shù)：通過真空泵抽取罩內(nèi)空氣，形成穩(wěn)定負(fù)壓環(huán)境，使粉塵或氣體無法逸出。<br /> </div><div>　　氣流優(yōu)化：<br /> </div><div>　　水平氣流模式：氣體從柜外平穩(wěn)進(jìn)入，經(jīng)后背板導(dǎo)流至頂部排出，減少湍流對天平讀數(shù)的影響。<br /> </div><div>　　垂直氣流模式：適用于液體稱量，但需警惕過濾器上方物質(zhì)墜落風(fēng)險(xiǎn)。<br /> </div><div>　　過濾循環(huán)：污染空氣經(jīng)多層過濾后返回室內(nèi)，符合環(huán)保標(biāo)準(zhǔn)。</div> </div> <div id="a2qcm4d8" class="ny_PrevNext"> <ul> <li>上一篇：<a href="/Article-3979106.html">凈氣型過濾器的濾芯更換指南</a></li> <li>下一篇：沒有了</li> </ul> </div> </div> </div> </div>   <div id="a2qcm4d8" class="h_foot"> <div id="a2qcm4d8" class="pz_down"> <div id="a2qcm4d8" class="w1200 clear"> <div id="a2qcm4d8" 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