通風管道加工系統布局要減小阻力

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通風管道材料的選擇：風管加工主要由鋼板、金屬軟管、塑料和橡膠軟管、纖維板、膠合板、石膏板、聚氯乙烯塑料板、磚和混凝土等制成。鋼板是通風管道常用的材料，具有耐腐蝕、耐高溫的特點，便于制造和安裝。一些通風管道在技術上需要經常移動，這需要柔性材料，如金屬軟管、塑料軟管和橡膠軟管。硬質聚氯乙烯塑料板表面光滑，加工方便，但不耐高溫，適用于腐蝕性工業通風和排氣系統。磚和混凝土制成的通風管主要適用于與建筑物連接，阻力小，經久耐用?？傊?，通風管道的材料應根據應用條件綜合選擇。.風管的圓弧面或折線面下料彎曲完成后，應與平板預組裝，然后涂上膠粘劑，以保證管件的幾何形狀、尺寸和壓痕。

Selection of materials for air ducts: air ducts are mainly made of steel plates, metal hoses, plastic and rubber hoses, fiberboards, plywood, gypsum boards, PVC plastic boards, bricks and concrete. Steel plate is a commonly used material for ventilation pipes, which has the characteristics of corrosion resistance and high temperature resistance, and is easy to manufacture and install. Some ventilation ducts need to be moved frequently in technology, which requires flexible materials, such as metal hoses, plastic hoses and rubber hoses. The rigid PVC plastic plate has smooth surface, convenient processing, but is not resistant to high temperature. It is suitable for corrosive industrial ventilation and exhaust systems. The ventilation pipe made of brick and concrete is mainly suitable for connecting with buildings, with small resistance and durability. In a word, the materials of ventilation pipes shall be comprehensively selected according to the application conditions After cutting and bending the arc surface or broken line surface of the air duct, it shall be pre assembled with the flat plate, and then coated with adhesive to ensure the geometric shape, size and indentation of the pipe fittings.

1、通風管道加工系統布局要減小阻力。

1. The layout of the air duct processing system should reduce the resistance.

2、不同含塵氣體性質不同，則凈化的分段處理應不同，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。、

2. If the properties of different dusty gases are different, the sectional treatment of purification should be different. When there are many pollution sources, they can be concentrated in one purification system or divided into several systems. However, if the mixture of pollutants causes combustion, explosion hazards, gases with different temperatures and humidities, and after mixing, condensation, dust or gas properties in the pipeline are different, affecting the recovery or purification efficiency

3、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。

3. In the layout of the pipe processing system, small leakage of the overall system shall be ensured, and sufficient air flow shall be ensured at the dust suction port.

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