通風(fēng)管道加工系統(tǒng)布局要減小阻力

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通風(fēng)管道材料的選擇：風(fēng)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(fēng)管道常用的材料，具有耐腐蝕、耐高溫的特點(diǎn)，便于制造和安裝。一些通風(fēng)管道在技術(shù)上需要經(jīng)常移動(dòng)，這需要柔性材料，如金屬軟管、塑料軟管和橡膠軟管。硬質(zhì)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(yè)通風(fēng)和排氣系統(tǒng)。磚和混凝土制成的通風(fēng)管主要適用于與建筑物連接，阻力小，經(jīng)久耐用。總之，通風(fēng)管道的材料應(yīng)根據(jù)應(yīng)用條件綜合選擇。.風(fēng)管的圓弧面或折線面下料彎曲完成后，應(yīng)與平板預(yù)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(fēng)管道加工系統(tǒng)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(zhì)不同，則凈化的分段處理應(yīng)不同，當(dāng)污染源多時(shí)可以集中在一個(gè)凈化系統(tǒng)中，也可分為幾個(gè)系統(tǒng)，但出現(xiàn)污染物混合會(huì)引起燃燒、爆炸危險(xiǎn)、不同溫度和濕度的氣體，混合后出現(xiàn)管道內(nèi)結(jié)露、粉塵或氣體性質(zhì)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(tǒng)布局中要保證整體系統(tǒng)的漏損小，確保吸塵口的有足夠的風(fēng)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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