According to the characteristics of production, the plant can be divided into the following three types:
First, the general production plant: heating or non heating normal production of dry plant;
Two, explosion and fire risk production plant: the normal production or storage of explosive and fire hazards of dry plant;
Three, in the harsh environmental conditions of the production plant: dust, humidity, high temperature, steam, vibration, smoke, acid and alkali corrosive gases, or radiant material production plant.
According to the above classification, should be strictly in accordance with the production conditions of different points to plant lighting design.