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    通风管道制作易出现的问题!
    来源:www.w-j-e.com 2019-02-12 11:45:51
    通风管道制作过程中易出现的问题及解决
    Problems and Solutions in the Manufacturing of Ventilation Pipeline
    (1)现象:板材表面不平整░,厚度不平均░,有显著的压痕•●、裂纹•●、砂眼•●、结疤和锈蚀等情况;风管平面下沉░,侧面向外突出░,有显著的变形。
    (1) Phenomena: the surface of the plate is not uniform, the thickness is not uniform, there are significant indentation, cracks, sand holes, scarring and rust; the plane of the air duct sinks, the side is prominent, and there is a significant deion.
    (2)危害性:系统运行时░,风管漏风░,造成不应有的空调负荷损失░,并且影响风管的使用寿命;风管表面颤抖░,产生噪声。
    (2) Harmfulness: When the system is running, the air duct leaks, causing undue loss of air conditioning load, and affecting the service life of the air duct; the surface of the air duct trembles and produces noise.
    (3)原因分析:制作风管前░,没有对所用材料进行质量检查;没有丈量钢板厚度。
    (3) Cause analysis: Before making air ducts, there was no quality inspection of the materials used; there was no measurement of steel plate thickness.
    (4)防治措施:先检查材料出厂合格证书和材料质量证实░,然后检查材料外观;丈量钢板厚度。风管翘角•●、扭曲及弯头角度不正确。
    (4) Prevention and control measures: first check the certificate of qualified materials and material quality certification, then check the appearance of materials, and measure the thickness of steel plate. Incorrect windpipe angle, twist and elbow angle.
    (1)现象:矩形风管两相对平面不平行•●、两端面不平行;折角不平直;对角线不相等;咬口不严。
    (1) Phenomena: the two opposite planes of rectangular ducts are not parallel, the two ends are not parallel; the bending angle is not straight; the diagonal lines are not equal; the bite is not strict.
    (2)危害性:会使风管连接受力不平均░,安装后的风管不平直░,法兰盘垫片不严密░,系统漏风░,造成空调负荷损失░,并且缩短使用寿命;影响风管•●、风口安装位置的正确。

    (2) Harmfulness: It will make the connection of air duct uneven, the installed air duct uneven, the flange gasket not tight, the system leakage, resulting in air-conditioning load loss, and shorten the service life; it will affect the correct installation position of air duct and tuyere.

    (3)原因分析:板下料放样不正确;风管两两平行░,相对面的板料长度和宽度不相等;风管的四角处咬口宽度不相等;咬口缝设置部位分歧错误░,手工咬口缝用力大小不一样;未采取相应的加固措施。
    (3) Cause analysis: incorrect layout of plate cutting; parallel air ducts, unequal length and width of the sheet on the opposite side; unequal bite width at the four corners of the air duct; different locations of the bite joint, different force on the manual bite joint; no corresponding reinforcement measures were taken.
    (4)防治措施:展开下料时░,应该对板料严格角方░,对每片板料的长度•●、宽度以及检修对角线░,使它们的偏差控制在答应范围内;下料后的板料░,应该将风管相对面的两片板料重合起来░,检修尺寸的正确性;板料咬口预留尺寸必需准确░,以保证咬口宽度一致;咬口缝设在四角部位░,手工咬口合缝时░,用木锤先将咬口两端中央部位打紧░,再沿全长平均打实;执行国标《透风与空调工程施工及验收规范》的有关划定。
    (4) Prevention and control measures: when blanking, the length, width and diagonal line of each sheet should be strictly angled, so that their deviation can be controlled within the allowable range; after blanking, the two sheets on the opposite side of the air duct should be overlapped to ensure the correctness of the repair dimension; the reserved dimension of the sheet bite must be accurate to ensure that the bite width is the same; When the four corners are jointed manually, the central part of the two ends of the bite is tightened with a wooden hammer, and then the whole length of the bite is averagely compacted; the relevant delimitation of the national standard "Code for Construction and Acceptance of Ventilation and Air Conditioning Engineering" is carried out.
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    For more inion on the installation of ventilation pipes in Shandong, please click on our official website: .
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