The explosion -proof structure type of explosion -proof lamp should be determined according to the regional level and scope of the explosive gas environment. If the explosion -proof lamps must be used in the area 1 area; the fixed lamps in the 2 area can use explosion -proof and increased safety. Use explosion type. The level or group of the selected explosion -proof light should not be lower than the explosive mixture level and group level in the explosive dangerous environment. At the same time, the impact of the environment on explosion -proof lights should be considered, and the requirements of different environments such as environmental temperature, air humidity, corrosion or pollution substances should be met. Select the protection level and anti -corrosion level of lamps according to different environmental requirements. Especially when there is a corrosive gas in the explosive gas environment, it is essential to choose lamps with corresponding anticorrosive properties.

Among petrochemical companies, the lighting fixtures of explosive dangerous places mainly use explosion types. With the widespread application of Zeng’an electrical equipment in the dangerous places in the 2nd area, Zengan and composite lighting lamps are increasingly used. On the basis of a certain explosion -proof performance, the Zeng’an type lamps have the advantages of light weight, low price, convenient installation and maintenance, and long service life. The most common composite electrical equipment in petrochemical enterprises is Zeng’an -explosion -barrier composite explosion -proof electrical equipment. Generally consisting of explosion -barrier components, Zeng’an wiring terminals and Zeng’an shells. Performance also has the advantages of increasing security.