通風管道的主要功能是什么？

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1、人口稠密地區創造舒適的室內空氣環境

1. Creating a comfortable indoor air environment in densely populated areas

在大型、酒店、公共、會議展覽等人口密集地區，室內環境要求很高。在通風管道的幫助下，可以室內的新鮮空氣輸入，從而創造舒適的室內空氣環境。

In densely populated areas such as large shopping malls, hotels, public places, conferences and exhibitions, high indoor environmental requirements are required. With the help of ventilation ducts, fresh indoor air can be introduced, creating a comfortable indoor air environment.

2、辦公居住區健康的居住環境

2. Healthy living environment in office and residential areas

對于上班族來說，辦公室和家是日常生活中比較長的日子，要創造健康的生活環境，通風管道必不可少。出于對人性的關注，很多建筑在施工之初就已經通風良好。

For office workers, the office and home are relatively long days in their daily lives. To create a healthy living environment, ventilation ducts are essential. Out of concern for human nature, many buildings are already well ventilated from the beginning of construction.

3、工業廠房區室內有害氣體和集中熱濕

3. Indoor harmful gases and concentrated heat and humidity in industrial plant areas

在一些工業廠房、生產車間等場所，經常會產生一些有毒、有異味的有害氣體，或者散發出大量的熱量和水分，造成整個車間環境的不適。通風管道的合理安裝有助于工業環境帶來的不適和對健康的危害。

In some industrial factories, production workshops, and other places, toxic and odorous harmful gases are often produced, or a large amount of heat and water are emitted, causing discomfort in the entire workshop environment. The reasonable installation of ventilation ducts contributes to the discomfort and health hazards caused by industrial environments.

通風管道的技術要求是什么?

What are the technical requirements for ventilation ducts?

1、回風風道及保溫材料風道不得有水平平縫，這次采用矩形風管，底寬800mm內不得有接頭，800-1000mm內只能有一個接頭，2400mm內有兩個焊縫，以上所有尺寸均禁止水平平縫。

1. The return air duct and insulation material duct must not have horizontal seams. This time, rectangular ducts are used, with no joints within 800mm of bottom width, only one joint within 800-1000mm, and two welds within 2400mm. Horizontal seams are prohibited for all dimensions mentioned above.

2、組合式凈化送風機組組合式送風排風機組采用組合式框板結構，可現場直接安裝，外形美觀，安裝維護方便，漏風率小(當機組靜壓為1000Pa時，漏風率小于1%)。維護板(即外殼)采用雙層夾芯板結構，能良好的保溫性能和耐腐蝕性能。

2. The combined purification air supply and exhaust unit adopts a combined frame plate structure, which can be directly installed on site. It has a beautiful appearance, convenient installation and maintenance, and a low air leakage rate (when the static pressure of the unit is 1000Pa, the air leakage rate is less than 1%). The maintenance board (i.e. shell) adopts a double-layer sandwich panel structure, which can provide good insulation and corrosion resistance.

3、初、中、過濾器凈化過濾系統分為初、中、過濾器，對車間內的粉塵進行除塵過濾。初級過濾器主要過濾5m的塵粒，中級過濾器主要過濾1m的塵粒，過濾器采用無隔板過濾器，過濾效率高99.99%，容塵量大，使用壽命長(兩年左右)。

3. The initial, intermediate, and filter purification and filtration systems are divided into initial, intermediate, and filter systems to remove dust and filter dust in the workshop. The primary filter mainly filters 5m dust particles, while the intermediate filter mainly filters 1m dust particles. The filter adopts a non partition filter, with a high filtration efficiency of 99.99%, a large dust capacity, and a long service life (about two years).