一.工藝要求
I. process requirements
1、裝置風管前，應將圖紙與施工現場進行核對，查看能否按規劃的標高和方位進行裝置；
1. Before installing the air duct, the drawings should be checked with the construction site to see if the installation can be carried out according to the planned elevation and orientation.
2、運用紅外線定位放線，保證風管的間隔及直線度，并按風管的中心線，找出吊桿裝置方位， 進行支吊架裝置；
2. Use infrared positioning and setting-out to ensure the air pipe spacing and straightness, and according to the central line of the air pipe, find out the suspender device orientation, support and hanger device;
3、風管體系的各部分尺度和視點承認準確無誤后，開端組對裝置，風管的銜接應平直、不歪曲，且銜接法蘭的螺母應在同一側；
3. After the scale and viewpoint of each part of the air duct system are admitted to be accurate, the connection of the air duct should be straight and not distorted, and the nut of the connecting flange should be on the same side.
4、風管與風管法蘭間的墊片選用厚3mm及以上的耐熱橡膠板，墊片不該凸入管內，亦不宜杰出法蘭，且墊片中不該含有石棉及其它有害成分，且應耐油耐潮耐酸堿腐蝕；
4. The gasket between the air duct and the air duct flange should be heat-resistant rubber plate with thickness of 3 mm or more. The gasket should not be protruded into the pipe or outstanding flange, and the gasket should not contain asbestos and other harmful components, and should be resistant to oil, moisture, acid and alkali corrosion.
5、風管裝置時，有必要堅持風管中心線的水平，裝置一段風管后運用水平尺丈量水平；風管長度超越20m時，有必要設置防晃支架，且每個體系不少于一副；
5. It is necessary to insist on the level of the central line of the air duct when installing the air duct, and measure the level with a horizontal ruler after installing the first section of the air duct.
6、在風管穿過需求關閉的防火、防爆的墻體或樓板時，應設預埋管或防護套管，其鋼板厚度為2mm。風管與防護套管之間，應用不燃且對人體無損害的柔性資料封堵；
6. When the duct passes through the fire-proof or explosion-proof wall or floor that needs to be closed, it should be equipped with embedded pipes or protective sleeves with a steel plate thickness of 2 mm. Between the wind pipe and the protective sleeve, the flammable and flexible data without damage to the human body are used for plugging.
7、各類風管部件及操作組織的裝置，先查看閥門外形及操作組織是否完好，查看動作的靈活性，承認閥門各方面正常之后再進行裝置裝置方向、方位應正確，在閥門操作組織一側應少有350mm的凈空間，以便操作、檢修；防火分區隔墻兩邊的防火閥，間隔墻體外表不該大于200mm；
7. All kinds of air duct components and operation organization of the device, check the valve shape and operation organization is intact, check the flexibility of action, recognize the normal valve after all aspects of the device direction and orientation should be correct, in the valve operation organization side should have at least 350 mm of clean space for operation, inspection and repair; The fireproof valve on both sides of partition wall should not be larger than 200mm on the surface of the partition wall.
8、防火排煙風管的支吊架有必要獨自設置，支管、管道式消聲器、消聲器彎頭、防火閥有必要獨自設置支、吊架；
8. It is necessary to install the support and hanger of the fire-proof smoke exhaust duct by itself, and the support and hanger of the branch, pipe muffler, muffler elbow and fire-proof valve by themselves.
9、風管裝置結束后，應按體系壓力等級進行嚴密性查驗。
9, after the end of the wind pipe device, we should tighten the inspection according to the pressure level of the system.
二.質量操控關鍵
Two. Key to quality control
1、風管內禁止有雜物或其它管線穿越，并做好清潔和維護作業；
1. No debris or other pipeline crossing is allowed in the wind pipe, and cleaning and maintenance work should be done well.
2、支吊架下沿和外緣與接觸網帶電體(含承力索,下饋線等)間隔有必要堅持大于230mm,并應嚴厲依照限界要求施行；
2. It is necessary to insist that the safety interval between the lower edge and outer edge of the support hanger and the charged body of the catenary (including the load-bearing cable, the lower feeder line, etc.) be greater than 230mm, and it should be strictly carried out in accordance with the requirements of the limit.
3、銜接螺栓應為鍍鋅螺栓，一起有必要裝備相應的平墊、彈墊和螺母；
3, the connecting bolts should be galvanized bolts, and it is necessary to equip corresponding flat pads, elastic pads and nuts.
4、風管法蘭墊片的作業溫度不小于70℃；關于排煙風管法蘭墊片的作業溫度要求不小于250℃；
4. The operating temperature of the air duct flange gasket shall not be less than 70, and the operating temperature of the air duct flange gasket shall not be less than 250.
5、風管裝置的水平度答應誤差每米不該大于3mm，總誤差不該大于20mm；垂直裝置垂直度的答應誤差為每米不超越2mm，總誤差不該大于 20mm；
5. The allowable horizontal error of the air duct device should not be greater than 3 mm per meter, the total error should not be greater than 20 mm; the allowable vertical error of the vertical device should not exceed 2 mm per meter, the total error should not be greater than 20 mm;
6、風管在穿過墻體或樓板處不得設置接口，風管沿墻體或樓板裝置時，間隔墻面、樓板的間隔應大于150mm；
6. The air duct shall not be provided with an interface at the place where it passes through the wall or floor. When the air duct is installed along the wall or floor, the interval between the wall and floor shall be greater than 150 mm.
7、風閥的電動執行組織裝置有必要可靠固定，禁止隨意放置在風管上；
7. The electric actuating organization device of the wind valve must be reliable and fixed, and it is forbidden to be placed on the wind pipe at will.
8、手動密閉閥裝置，閥門上標志的箭頭方向有必要與受沖擊波方向共同；
8. Manual closed valve device. The arrow direction on the valve must be in common with the direction of the shock wave.
9、現場風管接口的裝備，不得縮小其有用截面；
9, the equipment of on-site wind pipe interface shall not reduce its useful cross section.
10、、空調風管支吊架應設不燃絕熱墊防止產生冷橋，絕熱墊應在支吊架制造時錨固在橫擔上；
10. Air-conditioning duct support and hanger should be equipped with non-combustible insulation cushion to prevent the cold bridge, insulation cushion should be anchored on the cross-bearing when the support and hanger are manufactured.
11、對體系風管的檢測，宜選用分段檢測、匯總剖析的辦法。在嚴厲裝置質量管理的基礎上，體系風管的檢測以總管和干管為主。當選用漏光法檢測體系的嚴密性時，低壓體系風管以每 10m 接縫，漏光點不大于 2 處，且100m 接縫均勻不大于 16處為合格；中壓體系風管每 10m接縫，漏光點不大于 1 處，且 100m 接縫均勻不大于 8 處為合格。
11, for the detection of system air duct, we should choose the method of sectional detection and summary analysis. On the basis of strict quality control, the detection of system duct is mainly composed of main pipe and dry pipe. When the tightness of the system is checked by leak light method, the air duct of low pressure system is qualified with every 10 m joint, no more than 2 leak points, and no more than 16 100 m joints; the air duct of medium pressure system is qualified with every 10 m joint, no more than 1 leak point, and no more than 8 100 m joints.
三.制品維護措施
Three. Product maintenance measures
1、風管轉移裝卸應輕拿輕放，不得在地面上拖拽，并防止磕碰，摔絆；不得損壞法蘭鍍鋅層，如有劃傷應補漆完好；
1. Air pipes should be handled lightly, not dragged on the ground, and prevent knocking, tripping; not damage the galvanized flange coating, if scratched, should be repaired in good condition;
2、風管吊裝過程中，兩頭未銜接處有必要用塑料薄膜封住，風管上風口裝置前相同需用塑料薄膜封住，透明膠帶粘貼好，以防塵埃進入；
2. In the process of hoisting air duct, it is necessary to use plastic film to seal the non-junction between the two ends. The same plastic film should be used to seal the air duct outlet before the installation. Transparent tape should be pasted well to prevent dust from entering.
3、關于穿越設備管理用房風管，穿墻部位距墻500mm以內有必要用塑料薄膜做好維護，以防土建施工單位灰料污染風管；
3. It is necessary to use plastic film to maintain the air duct of the room for the management of crossing equipment within 500 mm from the wall so as to prevent the air duct from being polluted by ash materials of civil construction units.
4、裝置好的風管上面禁止堆放雜物或站在上面施工。
4, a good wind pipe is not allowed to pile up debris or stand on it.
This information is from Shandong Ventilation Pipeline Processing and Release, to learn more please click http://m.pvcbox.cn welcome to visit!
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