通風麻豆视频官网可以讓建築物室內保持空氣流通，排放有害氣體，而在通風麻豆视频官网加工設計過程中，涉及的考慮事項有很多，下麵來講講通風麻豆视频官网材料以及截麵形狀的選擇內容吧。
Ventilation ducts can keep the air in the building and discharge harmful gases. There are many considerations involved in the processing and design of ventilation ducts. Let's talk about the selection of ventilation duct materials and section shapes.
通風麻豆视频官网材料的選擇：
Selection of ventilation duct materials:
通風麻豆视频官网加工主要由鋼板、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、磚和混凝土等製成。鋼板是通風麻豆视频官网常用的材料，具有耐腐蝕、耐高溫的特點，便於製造和安裝。
Ventilation pipe processing is mainly made of steel plate, metal hose, plastic and rubber hose, fiberboard, plywood, gypsum board, PVC plastic board, brick 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 convenient for manufacturing and installation.
一些通風麻豆视频官网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麵光滑，加工方便，但不耐高溫，適用於腐蝕性工業通風和排氣係統。磚和混凝土製成的通風管主要適用於與建築物連接，阻力小，經久耐用。總之，通風麻豆视频官网的材料應根據應用條件綜合選擇。
Some ventilation ducts technically need to be moved frequently, which requires flexible materials, such as metal hoses, plastic hoses and rubber hoses. The surface of rigid PVC plastic plate is smooth and easy to process, but it 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 material of ventilation duct shall be comprehensively selected according to the application conditions.
風管加工時的截麵形狀一般分為矩形和圓形。在相同橫截麵積的情況下，圓形通風麻豆视频官网不僅阻力小，而且強度高，節省了麻豆视频官网。對於圓形通風麻豆视频官网，直徑越小，製造越容易，保溫越方便。
The cross-section shape of air duct is generally divided into rectangle and circle. In the case of the same cross-sectional area, the circular ventilation duct not only has small resistance, but also has high strength, which saves the pipe. For circular ventilation ducts, the smaller the diameter, the easier it is to manufacture and the more convenient it is to keep heat.
但是，矩形通風麻豆视频官网的管件比圓形通風麻豆视频官网的管件容易製作，布局也比圓形通風麻豆视频官网簡單。在正常情況下，當通風管的橫截麵較小，管內流速較高時，宜采用圓形通風管。
However, the pipe fittings of rectangular ventilation duct are easier to make than those of circular ventilation duct, and the layout is also simpler than that of circular ventilation duct. Under normal circumstances, when the cross section of the ventilation pipe is small and the flow rate in the pipe is high, the circular ventilation pipe should be used.
山東通風麻豆视频官网加工人員認為通風麻豆视频官网截麵較大時，應采用矩形通風麻豆视频官网，並能充分利用建築空間。對於矩形通風麻豆视频官网，寬高比越接近1越好，這樣不僅可以節省運行功率，還可以節省投資。
Shandong ventilation duct processors believe that rectangular ventilation ducts should be used when the cross-section of ventilation ducts is large, and the building space should be fully utilized. For rectangular ventilation ducts, the closer the width height ratio is to 1, the better. This can not only save operating power, but also save investment.
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