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In-use maintenance recommendations for explosion-proof control boxes
Improve the importance of the explosion-proof maintenance box and control box. Explosion-proof repair boxes and control boxes are generally installed in a relatively environmentally-friendly place. It is generally made of a cast iron casing. Chemical dust can chemically react with the cast iron casing, causing corrosion or formation of sticky deposits, and generating a pole for its mechanical mechanism. Great damage. These include mechanical jamming, aging of the handlebars, corrosion of bolts, etc. About 5 years of explosion-proof maintenance and control box power supply has to be replaced. Some maintenance personnel have no sense of responsibility, the explosion-proof end cover is not fixed, and the terminal board is damaged at will, which accelerates its service life. The explosion-proof maintenance box and control box are started by the branch factory to strengthen their supervision and understanding of its importance. Can not be considered as just field equipment, maintained by chemical maintenance. The explosion-proof maintenance power supply box is an overhaul power supply. It is not a long-term or fixed equipment power supply. Some maintenance power supplies have been occupied by water pumps, lighting or small equipment for a long time. Explosion-proof maintenance box and control box must be numbered uniformly
Multiple explosion-proof maintenance boxes and control boxes have been numbered uniformly in the power distribution room, but the site numbers are confusing, some of the signs have been dropped. When encountering explosion-proof maintenance boxes and control box failures, they can only be identified according to current or other methods. Great impact on maintenance efficiency. It is recommended that the low-pressure section use paint to mark the number in each explosion-proof maintenance box and control box to improve the marking and improve the inspection efficiency. One-by-one contracting
Each explosion-proof maintenance box and control box are numbered, and the operation section team is contracted. When the maintenance section operator is inspecting or using the explosion-proof maintenance box and the control box, the explosion-proof inspection box and the control box must be marked in the work record. . And the registration of the explosion-proof maintenance box and the control box was established. The shift team filled in the registration book for each shift and found that the bolts were missing or the end cover was broken. Fragmented long-term maintenance system
For the long-term maintenance and repair system of the explosion-proof maintenance box and control box, the team under the jurisdiction of the low-pressure section shall be responsible for the registration and registration of each explosion-proof maintenance box and control box. The mechanical parts shall be maintained and repaired every month, and the damage shall be opened or damaged. The terminal board is replaced, and the site identification is reinforced and related maintenance. Develop a long-term monitoring mechanism
The production period supervision mechanism shall be established for the explosion-proof maintenance box and the control box. One person shall be issued by the functional personnel in the operation section and the low-voltage section, and the inspection shall be checked once a month. The inspection contents include the identification.
1) Whether the explosion-proof maintenance power supply bolts and end caps are in good condition;
2) Whether the work record office indicates the condition of the explosion-proof maintenance box and the control box;
3) Whether the explosion-proof maintenance power supply is recorded in the contract registration form;
4) Whether the air-opening and terminal block in the explosion-proof maintenance box and control box are intact; According to the relevant conditions of the inspection, a reasonable assessment of the operating section and the low-voltage team will be conducted.
other
1. Improve the sleeve and the hex tool to reduce the phenomenon that the explosion-proof maintenance box and the control box may not be removed or tightened due to tool defects.
2. The bolts of the explosion-proof maintenance box and the control box are treated. The welding lengthening screw is used during installation to improve the maintenance efficiency of the working section;
3. Try to use the same type of explosion-proof maintenance box and control box and the same spare parts to reduce maintenance costs and improve maintenance efficiency.