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title="二維碼分享">二維碼分享 <div class="6osi28e" id="qrcode" style="display: none"> </div> </a> </div> </div> <div id="6osi28e" class="page-content"> <p style="text-indent: 2em; text-align: left;"><strong><a href="http://www.jlnsd.com/" target="_blank">綿陽(yáng)消防排煙管</a></strong>系統(tǒng)，是由送排風(fēng)管道、管井、防火閥、門(mén)開(kāi)關(guān)設(shè)備、送、排風(fēng)機(jī)等設(shè)備組成。防煙系統(tǒng)設(shè)置形式樓梯間正壓。機(jī)械排煙系統(tǒng)的排煙量與防煙分區(qū)有著直接的關(guān)系。高層建筑的防煙設(shè)施應(yīng)分為機(jī)械加壓送風(fēng)的防煙設(shè)施和可開(kāi)啟外窗的自然排煙設(shè)施。</p><p style="text-indent: 2em; text-align: left;">防排煙系統(tǒng)是防煙系統(tǒng)和排煙系統(tǒng)的總稱(chēng)。防煙系統(tǒng)采用機(jī)械加壓送風(fēng)方式或自然通風(fēng)方式，防止煙氣進(jìn)入疏散通道的系統(tǒng)；排煙系統(tǒng)采用機(jī)械排煙方式或自然通風(fēng)方式，將煙氣排至建筑物外的系統(tǒng)。</p><p style="text-indent: 2em; text-align: center;"><img src="https://file.btoe.cn//image/uploadImage/wjdhCmsClient/271545337397639/20220614/e2cf475b-f5c6-449b-8bd5-0f4baefa433c.jpg" width="500" height="277" border="0" vspace="0" title="綿陽(yáng)消防排煙管" alt="綿陽(yáng)消防排煙管" style="width: 500px; height: 277px;"/></p><p style="text-indent: 2em; text-align: left;">自然防排煙系統(tǒng)，防煙樓梯間前室或合用前室，利用敞開(kāi)的陽(yáng)臺(tái)、凹廊或前室內(nèi)不同朝向的可開(kāi)啟外窗自然排煙時(shí)，該樓梯間可不設(shè)排煙設(shè)施。利用建筑的陽(yáng)臺(tái)、凹廊或在外墻上設(shè)置便于開(kāi)啟的外窗或排煙進(jìn)行無(wú)組織的自然排煙方式。</p><p style="text-indent: 2em; text-align: left;"><strong>綿陽(yáng)消防排煙管</strong>的自然排煙應(yīng)設(shè)于房間的上方，宜設(shè)在距頂棚或頂板下800mm以?xún)?nèi)，其間距以排煙口的下邊緣計(jì)。</p><p style="text-indent: 2em; text-align: left;">自然進(jìn)風(fēng)應(yīng)設(shè)于房間的下方，設(shè)于房間凈高的1/2以下。其間距以進(jìn)風(fēng)口的上邊緣計(jì)。內(nèi)走道和房間的自然排煙口，至該防煙分區(qū)的遠(yuǎn)點(diǎn)應(yīng)在30m以?xún)?nèi)。自然排煙窗、排煙口中、送風(fēng)口應(yīng)設(shè)開(kāi)啟方便、靈活的裝置。</p> </div> </div> </div> </div> </div> <div id="6osi28e" class="tag"> </div> <div id="6osi28e" class="clearboth" id="prodoc"> </div> <div id="6osi28e" class="caseTab liebiaocolor" id="caseTab"> <ul> <li id="6osi28e" class="col-xs-6 col-sm-6 col-md-6"> <a href="http://jlnsd.com/p1/66.html">綿陽(yáng)風(fēng)管加工廠(chǎng)</a> </li> <li 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