The specifications of explosion-proof lamps are distinguished according to the use place, use environment, use area, explosion-proof grade, installation method, etc.
Explosive gas environment is determined by the regional grade and scope. For example, explosion-proof lamps must be used within the scope, fixed lamps can be explosion-proof and increased safety, and mobile lamps must be explosion-proof. The grade or group of selected explosion-proof lamps shall not be lower than that of explosive mixture in explosive hazardous environment. At the same time, the impact of the environment on the explosion-proof lamp shall be considered, and the requirements of various environments such as ambient temperature, air humidity, corrosive or polluting substances shall be met. The protection grade and anti-corrosion grade of lamps shall be selected according to different environmental requirements. Especially when there is corrosive gas in explosive gas environment, it is very important to select lamps with corresponding anti-corrosion performance.
In petrochemical enterprises, explosion-proof lighting is mainly used in explosion-proof places. With the wide application of increased safety electrical equipment in explosive hazardous areas, increased safety and composite lighting fixtures are also being used more and more. On the basis of certain explosion-proof performance, the increased safety lamps have the advantages of light weight, low price, convenient installation and maintenance, long service life, etc. compared with the flameproof lamps.
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