Caigang Fang mine grounding engineering, Zhengzhou Leidi Electronic Engineering Co., Ltd. technical personnel to remind you to pay attention to the following aspects, so that you can effectively prevent people or building damage caused by lightning. When the location, height and other conditions of Caigang House meet the requirements for lightning protection, it is necessary to do lightning protection. There are usually three ways to avoid lightning:
(1) The roof can be used as a lightning rod. However, usually an isolated lightning rod does not provide much lightning protection. Therefore, in the lightning protection of buildings, it is required to connect the lightning arrester, the down conductor, and the grounding body reliably. It is absolutely not allowed to disconnect the lightning rod. In engineering, welding is generally used to connect them.
(2) Another method is to use 8mm galvanized round steel as a lightning protection net, 12mm galvanized round steel for downlead, and grounding pole as required. Because the color steel plate is too thin to meet the grounding requirements for lightning protection grounding, it must be done separately, and color steel plates cannot be borrowed.
(3) Then install lightning protection. Lightning protection strips are generally made of galvanized steel wire (steel strip) and are fixed to the roof. The lightning protection strip fixed on the roof or eaves must be taken care of at corners. It must be bent at an arc angle or a chamfer greater than 90 degrees to avoid breaking the lightning protection zone when lightning current is passed.
In addition, the Caigang room lightning protection grounding project is generally based on the internal production, storage or unloading of the material has a flammable and explosive danger to be treated differently.
If there is no danger of flammability or explosion, then the external lightning protection measures only need to be grounded; if there is flammable and explosive danger, it is necessary to see whether the thickness of the upper half of the color steel tile exceeds 4mm, and whether there is a fireproof interlayer in the middle. , If all meet the requirements, then do not need to add other measures, if not meet the requirements, in accordance with the building lightning protection category set lightning rod (independent or non-independent) or lightning protection network, lightning protection and other direct lightning thunder and lightning measures.
To learn more about the technology of Caigang Fang's lightning protection grounding engineering, please contact the technical personnel of Zhengzhou Leidi Electronic Engineering Co., Ltd.!!!
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