Classification of shape: Round, rectangular, spiral, etc.
Processing technology; can be divided into angle iron flange air duct, common plate flange air duct.
折叠编辑本段应用；风管主要应用在工业及建筑工程中，应用范畴主要触及:电子工业无尘厂房净化系统，医药食品无菌车间净化系统，酒店宾馆、商场医院、工厂及写字楼的中央空调系统，工业污染控制用除尘、排烟、吸油等排风管、工业环境或岗位温馨用送风管、煤矿抽放瓦斯用抽放瓦斯系统、煤矿矿井环境控制用送回风系统...等等;PS:常被影视、动漫中开发成逃生及潜入专用道路遵义通风排烟设备按用处辨别Folding Editor's Application; Air duct is mainly used in industrial and construction engineering, and its application scope mainly touches upon: cleaning system of dust-free workshop in electronic industry, purification system of sterile workshop in pharmaceutical and food industry, central air conditioning system in hotels, shopping malls, hospitals, factories and office buildings, exhaust duct for dust removal, smoke exhaust, oil suction and other exhaust ducts for industrial pollution control, warm air supply duct for industrial environment or post. PS: The Zunyi ventilation and smoke exhaust equipment, which is often developed in movies and animations to escape and sneak into special roads, is distinguished according to its use.
Air duct for purifying air conditioning system: galvanized sheet and stainless steel; (FRP and composite materials which may present dust pollution in operation are prohibited)
2. Air duct for central air conditioning system: galvanized sheet and coloured steel insulation sheet; (fiberglass reinforced plastics, composite materials can be used)
3. Air duct for environmental control system: galvanized sheet and stainless steel; (plastic, FRP, composite materials can be used)
4. Air duct for industrial ventilation system: steel plate and galvanized sheet; (Libo air duct. Plastic, FRP and composite materials can be used). Note: FRP air duct can be divided into organic and inorganic two kinds, according to design standards, prohibited organic materials with fire protection requirements;
5. Ventilation pipes for special use places: mine coated ducts, mine plastic vents; (Request flame retardant and antistatic mine safety characteristics)
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