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Content of electrical explosion-proof safety testing in hazardous areas

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| 2021-07-06|Return

The importance of electrical explosion-proof testing 

Now, we need to put safety testing and inspection work in a more important position, and constantly have new safety testing methods and instruments, so that the technology of electrical explosion-proof safety testing is also constantly developing. Conducting electrical explosion-proof safety testing in hazardous areas is to confirm the safety and reliability of the explosion-proof performance of electrical facilities and equipment in operation. In such hazardous areas, many places may produce explosive gases, and some may produce combustible dust. Through those with safety production testing and inspection qualificationsZhongnuo TestingInstitutions should not dismantle or only partially dismantle the inspected facilities and equipment in hazardous areas, and take relevant testing measures to conduct safety inspections on potential hazards of electrical explosion-proof facilities in hazardous chemical areas. Early control measures should be taken to provide technical support for the safe operation of hazardous chemical enterprises.


The content of electrical explosion-proof safety testing

Electrical explosion-proof testing in hazardous areas, mainly including transformer and distribution systems; Electrical wiring system; Selection of explosion-proof electrical equipment; Infrared testing for overheating conditions; Grounding system and grounding resistance detection; Ultrasonic leakage discharge testing involves the inspection and testing of all electrical explosion-proof safety facilities in explosion-proof areas. In various hazardous locations, explosion-proof safety testing is usually carried out on electrical equipment, which includes testingZhongnuo TestingOnce problems are found with the electrical equipment model, installation, operation, wiring, grounding, etc., a written report should be immediately issued to the relevant enterprise. At the same time, contact the safety supervision department to urge the enterprise to take corrective actions. The ultimate goal is to ensure that the explosion-proof testing and inspection of electrical equipment in hazardous areas meet the qualified standards.


Electrical Explosion Prevention and Safety Testing Forms in Hazardous Areas

1. Model detection

According to strict national laws and regulations, the explosion-proof labeling of explosion-proof electrical equipment must be standardized, and it can only be implemented after passing the inspection by the national quality inspection department. To design suitable explosion-proof types, explosion-proof levels, and temperature groups for electrical equipment in specific working environments.

 

2. Installation inspection

During the installation of electrical equipment, any carelessness can lead to losses. If the ventilation and exhaust system is not properly installed, it may not be very smooth, and there is also a possibility of explosions in the casing of electrical equipment during electrical operation. So during installation, it is essential to strive for excellence and install according to relevant standards.


3. Line detection

Electrical equipment is often composed of a large number of circuit connections, which are particularly complex. If the connections are not solid, or if there are incorrect connections, or if the insulation layer of the circuit falls off, it may cause short circuits or overload, resulting in the appearance of arcs or sparks. So, it is necessary to strengthen the inspection of the circuit, especially the sealing of the circuit, to ensure that the connection of the circuit meets the requirements.

 

4. Grounding detection

Electrical equipment generates static electricity during operation. If there is too much static electricity, sparks may appear when it is discharged. Therefore, grounding protection should be done to timely discharge static electricity and prevent explosions. The usual grounding methods include three types, namely working grounding, electrostatic grounding, and lightning protection grounding. For engineers, it is necessary to choose the grounding method according to the specific working environment, and the grounding should be safe and firm.

 

Chemical enterprises must regularly maintain and inspect explosion-proof electrical and anti-static facilities in hazardous areas during production, ensuring that they always operate in normal working conditions. For hazardous locations, electricalExplosion proof safety inspectionWe should follow the development of science, keep pace with the times, strengthen the discovery and invention of new detection methods and means, continuously apply new knowledge and technology, as well as management methods, prevent hidden dangers, and eliminate exposed unsafe factors.




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