There are some notices in the installation of ventilation pipes。 It is worth paying attention to。 These will decide whether your ventilation pipe can be installed successfully, and whether it can be used normally after the success of the device, so as to play its due role。
In the device before and according to the practice of Surveying and mapping unit prefabricated drawings, air duct device, into and out of the open hole in the air duct should be prefabricated, such as in the air duct device on the end of the open air, the interface should be compact; steel duct to the transportation of flammable, explosive gas。
1, in building design, different types of work should be well coordinated with the separation of space, water supply and drainage, etc。, and the height range of each pipeline should be well accounted for in advance, so we should not exceed this limit in construction。
2, if the situation encountered between pipeline collision, then follow the tubular pressure to let the bassoon, no pressure.
3. Before the construction, the chief engineer should draw several lines of the line of work on a flat map and mark with different color pens. At the intersection point of the comprehensive elevation, check whether there is any contradiction, timely discovery and solution.
4. In order to reduce the investment, save space and reduce the height of the layer, some pipes are laid without slope.
In the air duct flange connection should cross connection grounding device, and connection with static electricity; when the air duct and fan connection, should be in the inlet and outlet of the soft and soft joints, joint section scale and fan outlet should be together; when the condensation of water or moisture transport with large amount of gas, the horizontal pipes should a low point in the slope, and then drain etc。。
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