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    通风管道如何降低阻力和噪音
    来源:www.w-j-e.com 2017-07-25 11:18:36
    济南酒店厨房排烟罩在我们的生活中是比较常见的░,空气是一种物质░,当其通过管道时░,一方面因为管壁的粗糙关系░,便发生摩擦░,产生阻力。因此░,管道阻力发生的因素░,主要是管壁粗糙度•●、管的形状•●、风的性质•●、风的速度等.至于阻力之大小░,则直接与管的粗糙度░,尺寸░,材料性质░,管的长度░,风向风速等有关。那么通风管道如何减少排烟管道阻力?
    Ventilation pipe is more common in our life, air is a substance, when it passes through the pipeline, on the one hand because of the rough relationship between the pipe wall, friction, resistance. Therefore, the main factors of pipe resistance, is the wall roughness, the shape of the tube, the nature of wind, wind speed and so on. As for the resistance size, directly with the pipe roughness, size, material properties, pipe length, wind speed and so on. Then, how can the ventilation pipe reduce the resistance of the exhaust pipe?
    1•●、排烟管道设计时弯曲的角度要尽量呈弧形。
    1, smoke pipe design, bending angle as far as possible arc.
    2•●、排烟管道设计时弯头要尽量少░,两个弯头的距离要大些。当两个弯头的距离为管径的3倍时░,阻力大约增加80%;若为5倍时░,则仅增加30%。
    2, smoke pipe design, elbow should be as little as possible, the two elbow distance is bigger. When the distance between the two elbows is 3 times the diameter of the pipe, the resistance will increase by about 80%; if it is 5 times, it will only increase by 30%.
    3•●、尽量直立或倾斜放置░,设置清扫口░,连接部分应严密不漏气░,并便于检修。

    3, as far as possible upright or inclined place, set up the cleaning mouth, the connection part should be tight, airtight, and easy to overhaul.

    济南通风管道

    4•●、所用材料应具有导热性小•●、保温░,耐腐蚀•●、耐火等性能。
    4, the materials used should have small thermal conductivity, heat preservation, corrosion resistance, fire resistance and other properties.
    5•●、排烟管道设计时不宜太长░,在可能条件下;管径要粗░,式样以圆形为佳。
    5, smoke pipe design should not be too long, in the possible conditions, the diameter of the rough, round style is better.
    6•●、支管的半径不得小于主管半径的1/2-1/3░,便于排烟管道加工。
    6. The radius of the branch pipe shall not be less than 1/2-1/3 of the radius of the pipe, which is easy to be processed by the exhaust pipe.
    除了减少阻力之外░,还有通风管道的清除噪音问题。
    In addition to reducing resistance, there are also ventilation ducts for noise removal.
    济南油烟净化器小编浅谈清理油烟净化器表面的几个步骤
    Ji'nan cooking fume purifier small talk about the steps of cleaning lampblack purifier surface
    油烟净化器清洗的过程中对于油烟管道的清理也是很重要的░,对竖烟道进行清洗常用的有两种方法:
    Cooking fume purifier cleaning process, for soot pipe cleaning is also very important, the vertical flue cleaning, commonly used in two ways:
    1.机械设备法░,向烟道内喷洒化油剂后░,用高压清洗机进行清洁。此方法最容易操作•●、难度最小•●、工作量较小•●、费用最低的清洁方式░,但对于清洁周期为半年以下的竖道烟道░,这种清洁方式无疑是最佳的选择。
    1. mechanical equipment law, to spray oil in the flue, after the use of high-pressure cleaning machine for cleaning. This method is the most easy to operate, the least difficult, less work, the lowest cost cleaning method, but for cleaning cycle for half a year under the vertical flue, this cleaning method is undoubtedly the best choice.
    2.开孔法░,由技术人员测算出需要开孔的间隔距离•●、开孔位置•●、大小和数量░,通过这些孔对烟道内进行清洗。最后对每个孔进行密封处理。此方法相对难度大░,费用相对较高░,但清洁效果很彻底
    2. opening method, by technical personnel to calculate the need to open hole spacing, opening position, size and quantity, through these holes to the flue cleaning. Finally, each hole is sealed. This method is relatively difficult, relatively high cost, but the cleaning effect is very thorough
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