Classification of flameproof lamps for mines
In recent years, the state of coal equipment coal card access system is very strict and standardized, the manufacturers of equipment production capacity, resource structure, product performance, product quality have made expressly.
Mine explosion-proof lamps according to the use of underground mine lighting and lighting two underground lighting lamps must have a card (coal mine product safety certification mark for short).
More than five electrical appliance lamps are used in downhole mining lamps, lighting, home has second coal card. The utility model is suitable for the places where coal mine has gas (methane) and coal dust explosion danger, and the bottom pit mining area can also be used in the mine tunnels and chambers with large water supply.
