May 20, 2023
In some special industries, such as oil, chemical, gas and other industrial enterprises, various flammable and explosive gases and liquids may seep and overflow during various processes of experimentation, production, processing, transportation and storage And all kinds of dust and fiber, it is very easy to cause explosion and fire, which will bring great losses to country and people.
Great fire in Tianjin port on 8.12, explosion on 3.21 in Jiangsu Xiangshui, large explosion in Yima gasification station on 7.19 These major accidents sounded alarm for us.
In these special industries, explosion-proof cameras must be installed. Explosion-proof cameras are a cross product of explosion-proof industry and monitoring industry. Their setup is exquisite. How can they be installed so that they work best for role?
1. Choice of installation location
Based on installation requirements, it is better to avoid some places with difficult light receiving positions, and avoid all black objects, water and other objects that absorb infrared light in field of view, so as not to affect monitoring screen. In addition, pay attention to moisture-proof, dust-proof, anti-corrosion, lightning-proof, and avoid places with humidity, dust, high temperature or extreme cold and strong radiation.
2. Installation angleThe top view angle is most commonly used explosion-proof camera, which is hidden and has a good macroscopic observation effect; when installed at a horizontal angle, it is easy to see some details; there are very few upward-facing installations, and requirements for light adaptability of explosion-proof chambers are also very high.
3. Reasonable wiring
Based on original network, select appropriate wiring, do not let signal line and high power line transmit in same direction, and cannot be placed in same transmission line pipe. It is best to use a hidden line, if it is not possible to use an open line, you need to work hard on physical protection of line.
4. Seal wire entryThe cable entry of explosion-proof chamber must be sealed with a rubber o-ring, and other methods such as pouring sealant, asbestos rope, etc. are prohibited. It is forbidden to pour any substance into cavity, which will lose explosion-proof characteristics; oil on rubber o-ring should be cleaned to avoid aging and wear.
5. It is strictly forbidden to change cameraIt is strictly forbidden to modify design, components and internal circuits of explosion-proof chamber. Mounting bolts must not be arbitrarily replaced or missing, and elastic gaskets and metal gaskets of redundant inlet and outlet ports must be kept sealed when shipped from factory, and compression nuts must be tightened to seal cable entry.
6. Daily MaintenanceWhen facing bad weather, check lightning protection effect of explosion-proof chamber in advance; generally pay attention to moisture and dust resistance, and wipe it regularly; when checking, try not to open explosion-proof housing of camera, and turn off power when it needs to be opened. If explosion-proof housing is opened, explosion-proof surface must be properly protected and must not be damaged. During maintenance, explosion-proof surface must be placed upwards and must not directly touch the ground.
We hope that in future, explosion-proof technology will become more powerful, able to detect various kinds of behavior, detect anomalies, intelligent detection, statistical analysis, early warning, etc. to reduce accidents and avoid casualties and property. losses.
