According to the "Regulations on the Assessment and Management of Boiler Stoker Personnel" issued by the General Administration of Quality Supervision, Inspection and Quarantine (National Quality Supervision, Inspection and Quarantine [2001] No. 38), boilers are divided into four categories,
Category
Boilers allowed to operate
Ⅰ Steam boilers; hot water boilers; organic heat carrier furnaces
Ⅱ Steam boilers with working pressures less than or equal to 3.8MPa; hot water boilers; organic heat boilers Carrier furnace
Ⅲ Steam boiler with working pressure less than or equal to 1.61MPa; hot water boiler with rated power less than or equal to 7MW; organic heat carrier furnace
IV Working pressure less than or equal to 0.4MPa and rated power Steam boilers with evaporation capacity less than or equal to 1t/h; hot water boilers with rated power less than or equal to 0.7MW
Assistant engineer, engineer, and technician are the technical titles of technical personnel
Technician, senior Technician is the technical level of a worker