Analysis of the reasons for the failure of explosion-proof performance of mine explosion-proof switches
In recent years, with the rapid development of my country's coal mine, chemical industry and other industries, mine explosion-proof switch is an indispensable equipment in the construction process of modern coal mine occupation, so what are the reasons for the failure of explosion-proof function? The following mine explosion-proof switch manufacturers will give us a detailed introduction.
1. The construction personnel have no professional knowledge of explosion-proof, and have not passed the professional knowledge of explosion-proof, equipment selection, application, inspection, protection and other aspects.
2. There is no quality inspection during the procurement process. Perhaps during the inspection process, the explosion-proof certificate of the product, product information, and the quality of the arriving product are inspected, and there is no sampling inspection of the arriving batch products, resulting in some fake and shoddy products. Products enter the site.
3. Irregular installation will reduce the failure of the explosion-proof function, such as faults in the introduction of installations, incorrect installation of lamps, and external faults.
4. Improper protection will reduce the explosion-proof function and even fail. For example, the tightening torque of the fasteners is not enough, the explosion-proof joint surface is coated with glue, the fasteners whose yield stress is lower than the original specification are replaced, and the high-power light source is replaced.
5. Corrosive gases from environmental factors will corrode the metal casing and grounding connectors, etc., resulting in damage to the casing, increased grounding resistance and even grounding failure; light and ultraviolet rays will age plastic and rubber, resulting in plastic casing cracking, rubber hardening or turtles The protective function or explosion-proof function of the casing is affected.
The above is the reason for the failure of explosion-proof function of mine explosion-proof switch manufacturers. I hope that the above introduction will give us some substantial assistance.
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