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style="font-family: 微軟雅黑, "Microsoft YaHei";">　　2、風管彎頭的制作。風管彎頭的位置應按標準設置，特別是大型彎頭，會影響氣流，造成局部噪聲。設置導流片時，應注意合理的位置和片數。在風量變化系統中，風量根據末端需求而變化。由于內部流量和流量會發生變化，合理設置彎頭有助于減少局部阻力。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";"></span></p><p style="text-align: center"><img src="/data/upload/201910/1571899091124725.jpg" alt="消防排煙風管廠家" width="397" height="259" border="0" vspace="0" title="消防排煙風管廠家" style="width: 397px; height: 259px;"/></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";"></span><br/></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　3、風道法蘭制作。由于風道由鋼板法蘭連接，需要制作鋼板，如大尺寸三通和彎曲。但鋼板法蘭位置嚴格不允許拼接。其強度不能滿足要求，需要采用山鋼耳鍍鋅鐵皮，或按設置修改和規范要求處理。在變風系統中，由于管道靜壓條件穩定，對強度、強度和密封性能的要求更高。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　4.三通風道生產:在變風系統中，由于三通風兩側的風量在不同條件下會發生變化，隔斷或倒板會嚴重限制風量的分布，因此三通風位置不能配備導板或中間加固隔斷。但如果零件的強度要滿足設計和規范的要求，角鋼法蘭或鋼筋應根據A的設計和規范進行應用。</span></p><p style="line-height: 1.75em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei";">　　5.通風管道分支操作：在通風管道系統軟件(無論是風速還是風速變化)中，彎管和三向部分不能立即分離出分支管道，會引起渦旋，產生較大的摩擦阻力，使各分支管道的風不能調節，造成部分噪聲。</span></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_isohu" data-cmd="isohu" title="分享到我的搜狐"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_fbook" data-cmd="fbook" title="分享到Facebook"></a> </div> 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