通風管道常見的特色有哪些?
1、防火功用好：其時普遍存在的問題是制品通風道燃燒功用和耐火極限未經有關部門檢測，且部分通風道材料的燃燒功用、管壁厚度不符合要求。
1. Good fireproof function: At that time, the common problem was that the burning function and fireproof limit of product ventilation duct had not been inspected by relevant state departments, and the burning function and wall thickness of some ventilation duct materials did not meet the requirements.
2、造價低：濟南通風管道與傳統磚砌通風道比，能節約工程造價40%左右;
2. Low cost: Jinan ventilation duct can save about 40% of the project cost compared with the traditional brick ventilation duct.
3、輕質高強：與傳統磚砌通風道比，菱鎂通風道自重輕、強度高，能大幅度下降建筑物的承受荷載;
3. Light weight and high strength: Compared with traditional brick ventilation duct, magnesite ventilation duct has light weight and high strength, which can greatly reduce the bearing load of buildings.
4、規劃活絡：通風管道可根據預留洞的巨細，隨時調整管道的標準標準;
4. Planning flexible network: ventilation pipeline can adjust the standard standard of pipeline at any time according to the size of reserved holes;
5、規劃一起：通風管道的開口上裝置了煙氣止回閥和防火阻隔門，可以有用防止串味和串火;
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5. Planning together: flue gas check valves and fire barrier doors are installed at the opening of the ventilation pipeline, which can be used to prevent cross-smelling and crossfire.
6、施工簡略：增加了室內空間，密閉性好、不返煙、不返臭，能大幅度改進室內環境。
6. Brief construction: Increased indoor space, good airtightness, no smoke return, no odor return, can greatly improve the indoor environment.
螺旋風管在作業進程會發生必定的噪音，假定在住宅區和商業區會對人們的日子發生很大的影響。那么我們在施工進程中怎么削減噪音呢？
The helical duct will produce certain noise in the process of operation, assuming that in residential and commercial areas will have a great impact on people's lives. So how do we reduce noise in the construction process?
通風管道體系作業噪音一般來源于以下幾個方面:
The working noise of ventilation duct system generally comes from the following aspects:
風管的顫動。因為風管材料是鍍鋅板或者是金屬材料，在施工時要嚴峻按照施工檢驗標準選擇鋼板厚度和施工工藝，比如風管制作差錯、平直度、風管加固、支吊架選擇及制作設備等等。到了施工階段，出風口盡量不要挨近設備。電扇前后盡量都有5米以上的長度。假定可以增加彎頭數目也可以下降噪音，風口加裝過濾網，噪音操控作用也很好。
Flutter of air duct. Because the material of air duct is galvanized sheet or metal material, the thickness of steel plate and construction technology should be strictly selected according to construction inspection standards, such as air duct errors, flatness, air duct reinforcement, support and hanger selection and production equipment, etc. At the construction stage, the outlet should not be close to the equipment as far as possible. The length of the electric fan should be more than 5 meters before and after it. It is assumed that the number of elbows can be increased and the noise can be reduced. A filter is installed in the tuyere, and the noise control function is also very good.
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