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关于通风管道施工前赢做好哪些准备?

来源:http://helpinghandsbookstores.com 日期:2021-08-04 发布人:jntfgd

通风管道是为了使空气流通,降低有害气体浓度的一种市政基础设施。通风管,风管制作与安装所用板材、型材以及其他主要成品材料,应符合设计及相关产品国家现行标准的规定,并应用出厂检验合格证明,材料进场时应按国家现行有关标准进行验收。
Ventilation duct is a municipal infrastructure to circulate air and reduce the concentration of harmful gases. The plates, profiles and other main finished materials used for the fabrication and installation of ventilation pipes and air ducts shall comply with the provisions of the current national standards for design and related products, and the factory inspection certificate shall be applied. The materials shall be accepted according to the current national standards when entering the site.
通风管道按材质分:一般有:钢板风管(普通钢板)、通风管道、不锈钢通风管、玻璃钢通风管、料通风管、复合材料通风管、彩钢夹心保温板通风管、双面铝箔保温通风管、单面彩钢保温风管、涂胶布通风管(如矿用风筒)、矿用塑料通风管等。
Ventilation ducts are divided by material: generally, they are: steel plate air duct (ordinary steel plate), ventilation duct, stainless steel air duct, FRP air duct, material air duct, composite air duct, color steel sandwich insulation board air duct, double-sided aluminum foil insulation air duct, single-sided color steel insulation air duct, adhesive coated air duct (such as mine air duct), mine plastic air duct, etc.
预制好的风管,需要做好存放工作,以免受到二次污染。可将管口用塑料布等密封材料封住,然后将风管分门别类堆放好。使用管道前,请注意清洗作业,确认板材表面没有腐蚀,干燥后不进行清扫。
The prefabricated air duct needs to be stored to avoid secondary pollution. The pipe orifice can be sealed with sealing materials such as plastic cloth, and then the air ducts can be stacked by categories. Before using the pipeline, please pay attention to the cleaning operation, confirm that the plate surface is free of corrosion, and do not clean it after drying.
1、施工前的准备工作
1. Preparation before construction
俗话说,“磨刀不误砍柴”,充分的说明准备是保证风管安装质量的前提。准备清洁管道的制作,无论采用工厂集中制作还是现场制作方式,都要保证场所的清洁和关闭,具有符合条件的采光和照明条件。另外,还要对制作好的方管进行看管,尽量避免污染。
As the saying goes, "sharpen your knife without mistaking firewood", it fully shows that preparation is the premise to ensure the installation quality of air duct. Prepare the fabrication of clean pipes, whether centralized fabrication in the factory or on-site fabrication, ensure that the site is clean and closed, and have qualified daylighting and lighting conditions. In addition, we should take care of the prepared square tube to avoid pollution as far as possible.
2、风管材质的选择
2. Selection of duct material
选择对管道的施工质量也有很大影响。一般来说,为了保证管道的重量,需要较小板厚的管道,但需要综合考虑管道的尺寸和压力水平。从设计角度来看,值得注意的是,一个系统可以同时具有对应于不同静态压力水平的几个管道厚度。
The selection also has a great impact on the construction quality of the pipeline. Generally speaking, in order to ensure the weight of the pipeline, the pipeline with smaller plate thickness is required, but the size and pressure level of the pipeline need to be comprehensively considered. From a design point of view, it is worth noting that a system can have several pipe thicknesses corresponding to different static pressure levels at the same time.
3、风管的横向连接
3. Transverse connection of air duct
风管的横向连接有一定的应力。这种连接方法可以说是延长空气导管长度的手段,并且还具有增强刚性和保持空气导管横向尺寸的功能通常,横向连接方式是角钢法兰连接。这种连接模式取决于壁厚,也取决于连接类型和板墙加固模式。
The transverse connection of air duct has certain stress. This connection method can be said to be a means to extend the length of the air duct, and also has the function of enhancing the rigidity and maintaining the transverse size of the air duct. Generally, the transverse connection method is angle steel flange connection. This connection mode depends on the wall thickness, the connection type and the plate wall reinforcement mode.
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