涩老板在线免费视频_午夜成人精品_神马理论午夜,,_亚洲有薄码区久久欧美精品一区_97人人色_神马在线精品_成人熟女一区二区_亚洲二区三区四区_人妻午夜免费_大鸡巴猛男爆操骚逼国产一区二区_丁香婷婷久久一区二区三区_岛国内射美女_亚洲一级电影,亚洲欧美日韩国产最新版,亚洲五月综合缴情综合久久本,少妇色情喷水又紧又爽小说,巜上司的少妇的滋味,国产精品三级女人国产香蕉,亚洲最好的免费电影,欧美亚洲国产成人精品,国产永久一区二区三区,亚洲综合一区无码精品,歳の熟女セックス,内射带小孩熟妇,果冻传媒在线看免费视频观看,成人欧美一区二区三区片,亚洲 片内射欧美美妇,一本无码人妻在中文字幕免费,亚洲无毛视频,中文字幕丰满孑伦无码专区,亚洲爆乳无码专区色戒纶理,肉乳床欢无码片动漫软件,欧美日韩一区二区另类,久热只有精品在线直播,精品亚洲一区二区在线播放,精品国产乱码久久久久久影片,国产一级高清在线观看,国产精品福利在线一区,成人动漫下载,乱伦性爱视频,xo无码AV毛,国产黄A片免费网站免费,日韩欧美一级特黄特色大片

　　1、設置在染毒區(qū)的進，排風管，應采用了3mm厚的鋼板焊接成型。其抗力和密閉防毒功能必須滿足的防護需要，且風管應按0.5%的坡度向室外。

　　1. The intake and exhaust ducts located in the contaminated area should be welded with 3mm thick steel plates. Its resistance and airtight anti toxic function must meet the protection requirements, and the air duct should face outdoors at a slope of 0.5%.

　　2、穿過防護密閉墻的通風管應采用帶3mm厚密閉套管，并應在土建施工時一次預埋到位。管路與設備法蘭間采用橡膠密封墊圈等措施。

　　2. Ventilation pipes passing through protective sealed walls should be equipped with 3mm thick sealed sleeves and should be pre embedded in place during civil construction. Rubber sealing gaskets and other measures are used between pipelines and equipment flanges.

　　3、自動排氣活門應與室內的通風短管在垂直和水平方向錯開布置以利氣流的排出不留有死角。

　　3. The automatic exhaust valve should be staggered with the indoor ventilation short pipe in both vertical and horizontal directions to facilitate the exhaust of airflow without leaving any blind spots.

　　4、口部氣密測量管的預埋，防空地下室每個口部防毒通道，密閉通道的防護密閉門門框，墻上設置DN50熱鍍鋅鋼管的氣密測量管。氣密測量管在墻中設置密閉助采用3mm厚的鋼板制作，并應與結構鋼筋焊牢。管的兩端伸出門框墻墻邊50至100mm,管兩端外的制作外螺紋。安裝銅質帶絲管帽密閉封堵。

　　4. Pre embedding of airtight measuring tubes at the mouth, installation of protective airtight door frames for each gas defense passage in the air defense basement, and installation of airtight measuring tubes made of DN50 hot-dip galvanized steel pipes on the wall. The airtight measuring tube is installed in the wall and made of 3mm thick steel plate, which should be welded firmly to the structural steel bars. The two ends of the pipe protrude 50 to 100mm from the door frame wall, and external threads are made on both ends of the pipe. Install copper threaded pipe caps for sealed sealing.

　　5、防火閥和排煙防火閥動作，溫度不同，防火閥為70℃，排煙防火閥為280℃，不能弄錯。排煙風管安裝時法蘭回填料必須是不燃耐高溫材料。如石棉板或石棉繩。

　　5. Fire dampers and smoke exhaust fire dampers operate at different temperatures. The fire damper operates at 70 ℃, while the smoke exhaust fire damper operates at 280 ℃. It cannot be mistaken. During the installation of smoke exhaust ducts, the flange backfill material must be non combustible and heat-resistant. Such as asbestos board or asbestos rope.

　　6、風機等設備安裝時應正確選用減震吊鉤或減震器，減少震動降低噪聲。

　　6. When installing equipment such as fans, shock-absorbing hooks or dampers should be selected correctly to reduce vibration and noise.

　　本文由 山東通風管道  友情奉獻.更多有關的知識請點擊  http://www.jnhxtcg.com/   真誠的態(tài)度.為您提供為全面的服務.更多有關的知識我們將會陸續(xù)向大家奉獻.敬請期待.

　　This article is a friendly contribution from Shandong Ventilation Duct For more related knowledge, please click http://www.jnhxtcg.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.