通风管道材质的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。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。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 selection of ventilation pipe material also has a great impact on the construction quality of the pipe. 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. 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. 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.
通风管道
Ventilation duct
②油烟净化器在炒菜时可按疾速抽风钮，使油烟很多迅速地排出，而煮饭、炖菜时，按慢速抽风钮就可以了。油烟净化器运用一段时刻后，要注重缸杯的油大约有2/3时就可旋下，倒掉废油再安上运用。若是不留神而溢出就会污染饭菜或炉面。
② When cooking, the fume purifier can press the fast exhaust button to discharge a lot of fume quickly. When cooking and stewing, just press the slow exhaust button. After using the fume purifier for a period of time, pay attention to that when about 2 / 3 of the oil in the cylinder cup can be unscrewed, the waste oil can be poured out and then installed for use. If it spills carelessly, it will pollute the food or stove surface.
③油烟净化器运用半年上下，会发作抽油汽才能降低，那是叶轮油腻太多了，应停机，拨下插销，将油烟净化器的排风口松开即可卸下叶轮），用旧布擦洗后再用洗涤剂清洁洁净，擦干后再装上，拧紧螺丝，就可以持续运用了。
③ In the first and second half of the year when the oil fume purifier is used, the oil extraction steam can be reduced. That is, the impeller is too greasy. Stop the machine, remove the pin, loosen the air outlet of the oil fume purifier, and then remove the impeller). Scrub it with an old cloth, clean it with detergent, dry it, install it, tighten the screws, and it can be used continuously.
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