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Explosion-proof electrical safety inspection items and indicators, safety management departments have accumulated a wealth of experience and effective safety management system. With the introduction of new technologies and the development of science and technology, the technical requirements for the installation, construction, and maintenance of explosion-proof electrical equipment such as explosion-proof air conditioners have increased, and the professional level of security personnel should also be increased accordingly. The work such as completion acceptance must also be jointly inspected with the relevant process design, electrical personnel, fire protection and other departments, so that it is scientific and authoritative. It is not enough to rely on feelings and experience for safety inspections. The author believes that the safety inspection of explosion-proof electrical equipment such as explosion-proof air-conditioning equipment at this stage should be based on the current norms, standards and construction drawings. The safety inspection is mainly directed at the selection and installation of explosion-proof electrical equipment in explosion hazardous locations. Correct, whether there are defects in the facilities, and whether the management system is complete. The relevant personnel at all levels must take anti-explosion measures in the electrical engineering, installation and construction, operation and maintenance and safety technical management of explosion hazardous locations in industrial and mining enterprises and institutions in order to achieve the overall explosion protection.
Completion acceptance inspection points Explosion proof electrical equipment test operation The explosion-proof electrical equipment's overall explosion-proof performance meets the design requirements, including instrument alarm and communication equipment.
Is it far away from the source of release?
Whether to determine the height of the cable or wire based on the specific gravity of the explosive gas.
The hole in the circuit is blocked.
Whether the line avoids damaged areas.
Technical requirements for line laying shall be whether the rated voltage is not lower than the galvanized steel pipe whose rated current is not less than the rated current of the fuse, and whether the thread engagement meets the requirements.
Sections of cables, etc.≥2.5mm
Junction box EN-US> Zone 1 is flameproof. EN-US> Zone 2 is flameproof or increased safety. Wires must not be connected by twisting. Daily maintenance inspection items are as follows:
Inspection of explosion hazardous locations Equipment operations, laboratory analysis, electrical, instrumentation, communications, equipment maintenance, etc. Personnel are familiar with the basic knowledge of electrical explosion-proof safety technology Check the completeness and implementation of the rules and regulations for the operation and maintenance of explosion-proof electrical equipment and lines. ;
Based on the current technical requirements in the relevant regulations, specifications and standards, check what are the problems in explosion hazardous locations;
The responsibility for safety production is significant. Although explosion-proof electrical appliances can effectively prevent explosions and other hidden dangers to some extent, they must be used rationally to reflect their value!
Explosion-proof electrical appliances have been listed as special equipment with high risk. They include explosion-proof air conditioners, explosion-proof distribution boxes and other explosion-proof equipment, and are included in the category of special equipment safety management. The quality, installation, maintenance and safety of explosion-proof facilities are directly linked.