The working route and time requirements of boiler inspection in a thermal power plant are: centralized control room, elevator and coal supply.

The working route and time requirements for boiler inspection in a thermal power plant are: centralized control room, elevator, coal feeder (2 minutes), flame detector cooling fan (1 minute), boiler front oil system (1 minute), burner area (1 minute), air preheater (2 minutes) and air compressor. Induced draft fan (1 min), coal pulverizer (6 min), sealing fan (1 min), slag catching system (1 min), elevator and comprehensive control room. Patrol every 2h 1 time, and the duration is about 0.5h According to Classification and Code of Hazardous and Hazardous Factors in Production Process (GB/T 1386 1-2009), the chemical hazardous factors that inspectors are exposed to in the above operations are ().

A. Coal dust and silica dust

B.no, the company, so.

C. noise and vibration

D. High temperature and thermal radiation

E. ultraviolet and infrared rays

Look at the answers and analyze the correct answers a and B.

Answer analysis

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