1、通風管道安裝系統的鋪設原則
1. Laying principle of ventilation duct installation system
管道鋪設分明裝、暗裝，一般采用明裝。因為明裝以便于檢修，在無法采用明裝時考慮暗裝方式，管道盡可能的集中成列，盡量沿墻或柱子平行鋪設，若管徑大或保溫應布局在靠墻側。一般兩根管道平行布局時，間距不小于100～200mm。
Pipeline laying shall be clearly installed and concealed, and generally open installation shall be adopted. Because the open installation is convenient for maintenance, the concealed installation method shall be considered when the open installation cannot be adopted. The pipes shall be concentrated in columns as far as possible and laid parallel along the wall or column as far as possible. If the pipe diameter is large or the thermal insulation shall be arranged near the wall. Generally, when two pipes are arranged in parallel, the spacing shall not be less than 100 ~ 200mm.
2、通風管道加工系統的連接原則
2. Connection principle of ventilation duct processing system
在以焊接為主要連接方式方法的管道中，應設置足夠數量的法蘭連接，在以螺紋為主的連接管道中應設置足夠的活接頭，以便宜于安裝、拆卸、檢修
In the pipeline with welding as the main connection method, a sufficient number of flange connections shall be set, and in the connecting pipeline with thread as the main connection method, sufficient movable joints shall be set to make it cheaper for installation, disassembly and maintenance
3、通風管道加工系統的支撐原則管道不宜與閥件直接支撐在設備上，應單獨設置支架或吊架，管道的焊縫位置應在施工方便或受力較小的地方，焊縫不得位于支架處且距離不小于200mm。
3. Support principle of ventilation pipe processing system: the pipe shall not be directly supported on the equipment with the valve, and the support or hanger shall be set separately. The weld of the pipe shall be located at the place where the construction is convenient or the stress is small, and the weld shall not be located at the support and the distance shall not be less than 200mm.
4、不同含塵氣體性質不同，則凈化的分段處理應不同。
4. If the properties of different dusty gases are different, the subsection treatment of purification should be different.
當污染源多時可以集中在一個凈化系統中，也可分為幾個系統，但出現污染物混合會引起燃燒、爆炸危險、不同溫度和濕度的氣體，混合后出現管道內結露、粉塵或氣體性質不同，影響回收或凈化效率的。
When there are many pollution sources, they can be concentrated in one purification system or divided into several systems. However, the mixing of pollutants will cause combustion, explosion hazards, gases with different temperatures and humidity. After mixing, condensation, dust or different gas properties in the pipeline will affect the recovery or purification efficiency.
5、通風管道加工系統布局中要保證整體系統的漏損小，確保吸塵口的有足夠的風量。
5. The layout of ventilation duct processing system shall ensure that the leakage of the overall system is small and that there is sufficient air volume at the dust suction port.
6、通風管道加工系統布局要減小阻力。
6. The layout of ventilation duct processing system shall reduce resistance.
通風管道安裝過程中如果安裝不好會產生噪音、漏風、布局不合理造成管材浪費等問題，都說三分產品，七分安裝，安裝比產品本身更為重要，建議大家選擇有經驗的安裝團隊
In the process of ventilation duct installation, if the installation is not good, it will produce noise, air leakage, unreasonable layout, resulting in pipe waste and other problems. It is said that there are three products and seven installation. Installation is more important than the product itself. It is recommended that you choose an experienced installation team
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