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发布人:   发布时间:2021-03-26 17:23:41


Ventilation pipe elbows (SUS201, SUS304, SUS316, SUS321) have excellent physical and chemical properties such as corrosion resistance, pitting corrosion resistance, corrosion resistance, heat resistance and high strength. Therefore, for the elbow of ventilation duct, the manufacturer should make the rigid angle of the plate square, check the length, width and diagonal of the plate, and control the deviation within the allowable range.


  1. Using water curtain, the temperature of workshop can be controlled below 28 ℃ in hot summer. For those with longer water curtain than air conditioner, the cool feeling of human body is cold and intolerable. In any environment requiring ventilation pipe treatment equipment, long-term wind and rain will cause material aging, transformation, corrosion and rust. Galvanized steel pipe is galvanized, but the iron pipe is kept, so it will not be oxidized.



2. The elbow of ventilation pipe is made of natural ventilation window. Under the influence of natural wind and temperature difference, the total area of the window is 1 / 3 of the building area. It can be seen from the exhibition that for ordinary low rise residential buildings, the plan can choose between the two wall exhaust outlets, and it is a high-rise apartment. The requirements will be higher. The height of kitchen lampblack planning is more than 2 meters, and the outlet kitchen exhaust is planned to be a round hole with a diameter of 170-200 mm. Greenhouse is usually forced ventilation system or low-pressure axial fan circulation fan.


3. According to the requirements of design and manufacturing standards, the use of fire-resistant organic materials is prohibited for ventilation duct elbows, rubber coated ventilation ducts for mining, plastic ventilation ducts for mining, etc., and the mine safety performance of flame retardant and anti-static is required. In the design stage, all kinds of work (HVAC, water supply and drainage, lighting and construction) should first pass the space division To determine the height range of various pipelines.


Therefore, in the engineering design, the common ventilation pipe must be used as the smoke exhaust pipe in the fire sugar making area, so as to reduce the occupation of the upper ventilation space and the consumption of the air pipe.


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