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The middle of the ventilation duct and the oil fume exhaust duct belong to the pipeline, but the key difference is in the main purpose. The oil fume exhaust duct is used as the pipeline to remove smoke and dust, and the key function of the ventilation duct is the exhaust and smoke exhaust system, which is common in one or several rooms or machinery and equipment. The differences between them are mainly reflected in their characteristics.

風管安裝進行后，要確保表層光潔無別的殘渣，而針對處在戶外一部分的通風風管建議防雪、防水防雨等對策。在穿越重生變形縫時通風風管建議依據設計方案增設防水套管，通風風管和防水套管中間的間隙建議用填充料堵漏認真細致。她們分別都有哪些特性呢？我們要如何充分準備工作中呢？山東省通風管道系統軟件的設計方案、通風風管運送和維護保養有什么事宜建議留意、通風風管的主要用途等。在其中提及通風風管的功效關鍵有自然通風、排煙系統、運送等主要用途。

After the installation of the air duct, ensure that the surface is clean and free of other residues, and the ventilation air duct located outdoors must be snow proof, waterproof and rainproof. When crossing the regeneration deformation joint, the ventilation air duct must be added with waterproof casing according to the design scheme, and the gap between the ventilation air duct and waterproof casing must be blocked with filler carefully. What are their characteristics? How can we fully prepare for the work? The design scheme of ventilation duct system software in Shandong Province, what matters must be paid attention to in the transportation and maintenance of ventilation duct, the main purpose of ventilation duct, etc. The key functions of ventilation duct mentioned therein include natural ventilation, smoke exhaust system, transportation and other main purposes.

山東通風管道

Shandong ventilation duct

次序式煙道橫截面上由2個并排矩形框排風管組成，豎直穿越重生各樓。次煙道在住房各層中設一聯接排油煙機的進氣口，山東省通風管道的次煙道與主煙道距進氣口一定距離處相匯，主煙道層有一補出風口。其基本原理是根據抽油煙機將煙塵送入次煙道中，用抽油煙機驅動力和油煙溫度上水的浮力使油煙升高一段距離后再進到主煙道排出來平屋面。

The cross section of the sequential flue is composed of two side-by-side rectangular frame exhaust ducts, which vertically pass through the regeneration buildings. The secondary flue is provided with an air inlet connecting the range hood in each floor of the house. The secondary flue of the ventilation pipeline in Shandong Province meets with the main flue at a certain distance from the air inlet, and the main flue layer is provided with a supplementary air outlet. The basic principle is that the smoke and dust is sent into the secondary flue according to the range hood, and the oil smoke is raised for a certain distance by the driving force of the range hood and the buoyancy of the oil smoke temperature and water, and then into the main flue and discharged out of the flat roof.

由一個簡易的矩形框排風管組成，豎直穿越重生各層住房，在各層住房中留出一個聯接抽油煙機的進氣口，層由一個補出風口補氣血。其基本原理是各層煙塵在抽油煙機的促進下，將油煙排進煙道中，因為煙塵溫度的功效，在煙道中造成升高水的浮力，從出平屋面的通風口將煙塵排出來。

It is composed of a simple rectangular frame exhaust pipe, which vertically passes through the houses on each floor of regeneration. An air inlet connected with the range hood is reserved in the houses on each floor, and an air outlet is used to supplement qi and blood. The basic principle is that each layer of smoke and dust will be discharged into the flue under the promotion of the range hood. Because of the effect of smoke and dust temperature, it will cause the buoyancy of rising water in the flue and discharge the smoke and dust from the vent out of the flat roof.