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style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">《中小學(xué)校新型冠狀病毒肺炎防控指南》對門(mén)衛室、教室、教師辦公室等各類(lèi)場(chǎng)合規定了場(chǎng)所管理，通風(fēng)換氣位列這些場(chǎng)所管理空氣消毒之首，那么如何依法加強通風(fēng)換氣?</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <br /></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;font-weight:bold;">一、</span><strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;">高中教室</span></strong></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">進(jìn)入五月，廣東、廣西、海南等南方省份也紛紛復課了，上課時(shí)，高中教室里都開(kāi)了空調，上課期間無(wú)法既開(kāi)窗、開(kāi)門(mén)通風(fēng)又開(kāi)空調，否則就是瞎子點(diǎn)燈白費蠟。教室里宜用有凈化功能的新風(fēng)機，對教室機械送風(fēng)進(jìn)行通風(fēng)。標準的高中教室50人，新風(fēng)量計算如下：</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:Calibri;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;">1.<span style="margin:0px;padding:0px;">按人員密度取值</span></span></strong><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"><span style="margin:0px;padding:0px;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"><span style="margin:0px;padding:0px;">人員密度</span>0.4<span style="margin:0px;padding:0px;">＜</span><span style="margin:0px;padding:0px;font-family:Calibri;">P</span>F≤<span style="margin:0px;padding:0px;font-family:Calibri;">1.0</span><span style="margin:0px;padding:0px;">，最小風(fēng)量為</span><span style="margin:0px;padding:0px;font-family:Calibri;">24m</span><span style="margin:0px;padding:0px;">3</span><span style="margin:0px;padding:0px;font-family:Calibri;">/h</span><span style="margin:0px;padding:0px;">·人，</span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">新風(fēng)量為24X50=1200m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h </span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"> </span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;">2.<span style="margin:0px;padding:0px;">滿(mǎn)足</span>CO2<span style="margin:0px;padding:0px;">濃度新風(fēng)量計算</span></span></strong><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"><span style="margin:0px;padding:0px;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"> <img src="/uploadfiles/2020/07/2020070917090696.jpg" alt="" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;">X</span><span style="margin:0px;padding:0px;font-family:Calibri;">O<span style="margin:0px;padding:0px;font-family:宋體;">：學(xué)生學(xué)習時(shí)</span><span style="margin:0px;padding:0px;">CO2</span><span style="margin:0px;padding:0px;font-family:宋體;">呼出量</span><span style="margin:0px;padding:0px;">L/</span><span style="margin:0px;padding:0px;font-family:宋體;">（人</span><span style="margin:0px;padding:0px;">·h</span><span style="margin:0px;padding:0px;font-family:宋體;">）</span></span><span style="margin:0px;padding:0px;font-family:宋體;">，</span><span style="margin:0px;padding:0px;font-family:宋體;">高中生按</span><span style="margin:0px;padding:0px;font-family:宋體;">19<span style="margin:0px;padding:0px;">計算</span></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:Calibri;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;">Yin<span style="margin:0px;padding:0px;font-family:宋體;">：室內</span><span style="margin:0px;padding:0px;">CO2</span></span><span style="margin:0px;padding:0px;font-family:宋體;"> </span><span style="margin:0px;padding:0px;font-family:Calibri;"> </span><span style="margin:0px;padding:0px;font-family:宋體;">% <span style="margin:0px;padding:0px;">濃度</span></span><span style="margin:0px;padding:0px;font-family:Calibri;"> </span><span style="margin:0px;padding:0px;font-family:宋體;"><span style="margin:0px;padding:0px;">按</span>GB/T 18883-2002 <span style="margin:0px;padding:0px;">《室內空氣質(zhì)量標準》取值，取</span><span style="margin:0px;padding:0px;font-family:Calibri;">0.1%</span></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:Calibri;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;">Yout</span><span style="margin:0px;padding:0px;font-family:Calibri;"><span style="margin:0px;padding:0px;font-family:宋體;">：室外</span>CO2 </span><span style="margin:0px;padding:0px;font-family:宋體;"> </span><span style="margin:0px;padding:0px;font-family:Calibri;">%</span><span style="margin:0px;padding:0px;font-family:宋體;">濃度</span><span style="margin:0px;padding:0px;font-family:Calibri;"> </span><span style="margin:0px;padding:0px;font-family:宋體;"> <span style="margin:0px;padding:0px;">現階段城市中的</span>CO2<span style="margin:0px;padding:0px;">的含量通常為</span><span style="margin:0px;padding:0px;font-family:Calibri;">0.045%</span><span style="margin:0px;padding:0px;">，甚至更高，取</span><span style="margin:0px;padding:0px;font-family:Calibri;">0.045%</span></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:Calibri;font-size:16px;"> <img src="/uploadfiles/2020/07/20200709171005105.jpg" alt="" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">總新風(fēng)量為34.5X50=1725m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span></span></strong><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">綜合1、 <span style="margin:0px;padding:0px;font-family:Calibri;">2</span>，取較大值，故高中教室新風(fēng)量不小于<span style="margin:0px;padding:0px;font-family:Calibri;">1800m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>?？紤]學(xué)生可能超過(guò)<span style="margin:0px;padding:0px;font-family:Calibri;">50</span>人，同時(shí)考慮管道漏風(fēng)等因素，宜選兩臺<span style="margin:0px;padding:0px;font-family:Calibri;">1000m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>的柜機或吊頂新風(fēng)機，應有溫度、濕度，二氧化碳、甲醛、<span style="margin:0px;padding:0px;font-family:Calibri;">PM2.5</span>、<span style="margin:0px;padding:0px;font-family:Calibri;">TVOC</span>數值顯示，以實(shí)現對教室內的空氣進(jìn)行實(shí)時(shí)監測，新風(fēng)機應為正式新風(fēng)機，當為雙向流新風(fēng)機時(shí)，排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">0.8</span>倍，以保證教室為正壓。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><br style="margin:0px;padding:0px;" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;white-space:normal;"> <img src="/uploadfiles/2020/07/202007091712451245.png" alt="" /></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;font-weight:bold;">二、</span><strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;">初中教室</span></strong></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:Calibri;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;">1.<span style="margin:0px;padding:0px;">按人員密集取值</span></span></strong><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;"><span style="margin:0px;padding:0px;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">人員密度0.4＜<span style="margin:0px;padding:0px;font-family:Calibri;">PF</span>≤<span style="margin:0px;padding:0px;font-family:Calibri;">1.0</span>，最小風(fēng)量為<span style="margin:0px;padding:0px;font-family:Calibri;">24m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>·人</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">新風(fēng)量為24X50=1200m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"><br style="margin:0px;padding:0px;" /></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;">2.<span style="margin:0px;padding:0px;">滿(mǎn)足</span>CO2<span style="margin:0px;padding:0px;">濃度新風(fēng)量計算</span><span style="margin:0px;padding:0px;font-family:Calibri;">(</span><span style="margin:0px;padding:0px;">計算方法同前，不同之處只是初中生</span><span style="margin:0px;padding:0px;font-family:Calibri;">X</span></span><span style="margin:0px;padding:0px;font-family:Calibri;">O<span style="margin:0px;padding:0px;font-family:宋體;">按</span></span><span style="margin:0px;padding:0px;font-family:宋體;">15<span style="margin:0px;padding:0px;">計算</span><span style="margin:0px;padding:0px;font-family:Calibri;">)</span></span></span></strong><span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;"><span style="margin:0px;padding:0px;font-family:Calibri;"></span></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <br /></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;font-family:Calibri;"> <img src="/uploadfiles/2020/07/20200709171201121.jpg" alt="" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">總新風(fēng)量量為27.2X50=1360m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span></span></strong><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">綜合1、 <span style="margin:0px;padding:0px;font-family:Calibri;">2</span>，取較大值，故初中教室新風(fēng)量不小于<span style="margin:0px;padding:0px;font-family:Calibri;">1400m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>?？紤]學(xué)生可能超過(guò)<span style="margin:0px;padding:0px;font-family:Calibri;">50</span>人，同時(shí)考慮管道漏風(fēng)等因素，宜選兩臺<span style="margin:0px;padding:0px;font-family:Calibri;">800m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>的柜機或吊頂新風(fēng)機，應有溫度、濕度，二氧化碳、甲醛、<span style="margin:0px;padding:0px;font-family:Calibri;">PM2.5</span>、<span style="margin:0px;padding:0px;font-family:Calibri;">TVOC</span>數值顯示，以實(shí)現對教室內的空氣進(jìn)行實(shí)時(shí)監測，新風(fēng)機應為正式新風(fēng)機，當為雙向流新風(fēng)機時(shí)，排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">0.8</span>倍，以保證教室為正壓。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><br style="margin:0px;padding:0px;" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"> <img src="/uploadfiles/2020/04/202004221535183518.jpg" alt="" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;font-weight:bold;">三、</span><strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;">小學(xué)教室</span></strong></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;font-family:宋體;">1.<span style="margin:0px;padding:0px;">按人員密集取值</span></span></strong></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">人</span><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">員密度0.4＜</span><span style="margin:0px;padding:0px;font-size:16px;font-family:Calibri;">PF</span><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">≤</span><span style="margin:0px;padding:0px;font-size:16px;font-family:Calibri;">1.0</span><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">，最小風(fēng)量為</span><span style="margin:0px;padding:0px;font-size:16px;font-family:Calibri;">24m</span><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">3</span><span style="margin:0px;padding:0px;font-size:16px;font-family:Calibri;">/h</span><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">·人</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">新風(fēng)量為24X45=1080m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"><br style="margin:0px;padding:0px;" /></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;">2.<span style="margin:0px;padding:0px;">滿(mǎn)足</span><span style="margin:0px;padding:0px;font-family:Calibri;">CO2</span><span style="margin:0px;padding:0px;">濃度新風(fēng)量計算</span><span style="margin:0px;padding:0px;font-family:Calibri;">(</span><span style="margin:0px;padding:0px;">計算方法同前，不同之處只是小學(xué)生</span><span style="margin:0px;padding:0px;font-family:Calibri;">X</span></span><span style="margin:0px;padding:0px;font-family:Calibri;">O<span style="margin:0px;padding:0px;font-family:宋體;">按</span></span><span style="margin:0px;padding:0px;font-family:宋體;">12<span style="margin:0px;padding:0px;">計算</span><span style="margin:0px;padding:0px;font-family:Calibri;">)</span></span></span></strong></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;"><span style="margin:0px;padding:0px;font-family:Calibri;"><img src="/uploadfiles/2020/07/202007091715291529.jpg" alt="" /><br /></span></span></span></strong></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;"><span style="margin:0px;padding:0px;font-family:Calibri;"><br /></span></span></span></strong></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">總新風(fēng)量為22X45=990m3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span></span></strong><span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><span style="margin:0px;padding:0px;font-family:Calibri;"></span></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">綜合1、 <span style="margin:0px;padding:0px;font-family:Calibri;">2</span>，取較大值，故小學(xué)教室新風(fēng)量不小于<span style="margin:0px;padding:0px;font-family:Calibri;">1100m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>?？紤]學(xué)生可能超過(guò)<span style="margin:0px;padding:0px;font-family:Calibri;">45</span>人，同時(shí)考慮管道漏風(fēng)等因素，宜選兩臺<span style="margin:0px;padding:0px;font-family:Calibri;">600m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>的柜機或吊頂新風(fēng)機，應有溫度、濕度，二氧化碳、甲醛、<span style="margin:0px;padding:0px;font-family:Calibri;">PM2.5</span>、<span style="margin:0px;padding:0px;font-family:Calibri;">TVOC</span>數值顯示，以實(shí)現對教室內的空氣進(jìn)行實(shí)時(shí)監測，新風(fēng)機應為正式新風(fēng)機，當為雙向流新風(fēng)機時(shí)，排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">0.8</span>倍，以保證教室為正壓。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><br style="margin:0px;padding:0px;" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"> <img src="/uploadfiles/2020/05/20200507172802282.jpg" alt="" /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"> </span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><span style="margin:0px;padding:0px;font-family:宋體;">四、<span style="margin:0px;padding:0px;">一</span></span><strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;">些特殊場(chǎng)合</span></strong></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;"> <span style="margin:0px;padding:0px;font-size:16px;"><strong style="margin:0px;padding:0px;"><span style="margin:0px;padding:0px;font-family:宋體;"> </span></strong></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">如實(shí)驗室，應設機械通風(fēng)，各實(shí)驗室須獨立排風(fēng)，按GB50099-2011《中小學(xué)設計規范》<span style="margin:0px;padding:0px;font-family:Calibri;">9.1.3</span>規定，實(shí)驗室最小換氣次數應為<span style="margin:0px;padding:0px;font-family:Calibri;">3</span>次<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>，排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">1.25</span>倍，以維持實(shí)驗室的負壓，防止實(shí)驗室污濁空氣無(wú)序外溢。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">對于打印、復印等場(chǎng)所，按JGJT416-2019《公共建筑室內質(zhì)量控制設計標準》，<span style="margin:0px;padding:0px;font-family:Calibri;">4.0.8</span>規定：打印復印等設備宜集中放置，并采用機械通風(fēng)系統，實(shí)際排風(fēng)量不低于<span style="margin:0px;padding:0px;font-family:Calibri;">72m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/(h</span>·臺），且應保持負壓狀態(tài)。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">打印、復印會(huì )產(chǎn)生大量的臭氧，若通風(fēng)不暢將會(huì )嚴重影響人體健康；也不宜自然通風(fēng)，防止氣壓不平衡，無(wú)序流動(dòng)到其他房間，同時(shí)也要防止室外PM2.5等粉塵顆粒物進(jìn)入房間，影響打印機、復印機壽命。所以宜采用排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">1.25</span>倍的雙向流新風(fēng)機，排風(fēng)量按<span style="margin:0px;padding:0px;font-family:Calibri;">72m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/</span>（<span style="margin:0px;padding:0px;font-family:Calibri;">h</span>·臺），外加人員新風(fēng)量<span style="margin:0px;padding:0px;font-family:Calibri;">30m</span>3<span style="margin:0px;padding:0px;font-family:Calibri;">/h</span>·人。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">對于臨時(shí)隔離場(chǎng)所，應配置新風(fēng)和排風(fēng)都有凈化功能的新風(fēng)機。凈化方式為初、中、高三層以上過(guò)濾方式，最好為靜電過(guò)濾方式以殺死病毒。排風(fēng)排出時(shí)應凈化后排出，排風(fēng)量大于新風(fēng)量，新風(fēng)量應為臨時(shí)隔離場(chǎng)所體積的2倍，排風(fēng)量為新風(fēng)量的<span style="margin:0px;padding:0px;font-family:Calibri;">1.25</span>倍，以維持臨時(shí)隔離場(chǎng)所為負壓，防止臨時(shí)隔離場(chǎng)所可能帶病毒的空氣無(wú)序外溢。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;">教室及其他特殊場(chǎng)所除按以上加強通風(fēng)外，還可配置循環(huán)風(fēng)空氣消毒機，對空氣進(jìn)行消毒以防止氣溶膠傳播。</span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <span style="margin:0px;padding:0px;font-family:宋體;font-size:16px;"><br /></span></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, "font-size:17px;text-align:justify;white-space:normal;text-indent:28px;"> <img src="/uploadfiles/2020/07/202007091718391839.png" alt="" /></p><p style="margin-top:0px;margin-bottom:0px;padding:0px;clear:both;color:#333333;font-family:mp-quote, -apple-system-font, BlinkMacSystemFont, 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