(1) When the duct is connected with the fan, a soft joint should be added at the inlet and outlet of the fan, and the cross-sectional dimension of the soft joint should be the same as the inlet and outlet of the fan. The hose joint can be made of canvas, artificial leather and other materials. The hose length should not be less than 200, the elasticity should be suitable, and the flexible hose can cushion the vibration of the fan.

(2)當風道與除塵設備、加熱設備等銜接前，應待設備裝置終了后，按理論測繪的圖紙中止預制和裝置。

(2) Before the air duct is connected with the dust removal equipment and the heating equipment, the prefabrication and the equipment shall be discontinued according to the theoretical drawing after the equipment is finished.

(3)濟南通風管道裝置時，進、出風日宜在風道預制時開出洞口，如需在裝置終了的風道上現開風口，其接口處應緊密。

(3) When Jinan ventilation duct is installed, the inlet and outlet air should be opened when the duct is prefabricated. If the outlet is to be opened in the duct at the end of the installation, the interface should be close.

(4)當運送含凝結水或含濕量較大的氣體時，其水平管道宜設有坡度，并在低點處接排水管。裝置時風道底部不宜呈現縱向接縫，對底部有接縫處應中止密封處置。

(4) When transporting condensate or gas with high moisture content, the horizontal pipeline should be provided with a slope and a drainage pipe should be connected at the low point. The longitudinal joint is not suitable for the bottom of the duct, and the sealing treatment should be stopped for the joints at the bottom.

(5)對運送易燃、易爆氣體的鋼板風道，在風道銜接法蘭處應裝置跨接線，并與靜電接地網銜接。

(5) For the steel plate air duct conveying inflammable and explosive gases, the connecting flange of the air duct should be connected with the electrostatic grounding grid.

(6)當水平風道高度在4m以上時，裝置人員應系帶。腳手架或移動式支架上的跳板應固定好，跳板寬度應契合規范，在腳手架上的裝置人員宜攜東西袋，避免東西或電鉆等物掉落傷人。

(6) when the height of the horizontal airway is above 4m, the installation personnel should fasten the seat belt. The springboard on the scaffolding or movable support should be fixed well, the springboard width should conform to safety standards, and the installers on the scaffolding should carry bags to avoid falling things or electric drills.

(7)雙吊桿支架在風道就位后，應保證橫擔平直，吊桿不改動，雙吊桿受力均勻。

(7) After the double suspender bracket is in place in the air duct, it should ensure that the cross-bearing is straight, the suspender rod does not change, and the force of the double suspender rod is uniform.

有了山東通風管道加工上面的小總結，希望對廣大客戶有所幫助，如果有什么不理解的或者尋求幫助的請點擊我們的網站：http://m.pvcbox.cn或者來電咨詢，我們會盡全力為您解決

With the summary of Shandong ventilation pipe processing above, I hope it will be helpful to our customers. If you have any incomprehension or ask for help, please click our official website: http://m.pvcbox.cn or call for advice. We will try our best to solve it for you.