LIFE SUPPORT SYSTEM PLANT SZO plant
PURPOSE
Life support system plant (SZO plant) is designed to clean outside air from toxic substances, radioactive aerosols and iodine to provide for the long stay of personnel in main control room (MCR) and emergency control room (ECR) without exceeding maximum permissible exposure doses in case of emergencies (emergency discharge of radioactive aerosols and iodine into the environment at NPP, fire at NPP, appearing of toxic substances in the area of air-intake).
APPLICATION
The field of SZO plant application includes ventilation systems critical for safety at NPP, ONFC, and other nuclear facilities.
SPECIFICATIONS
Nominal capacity of adsorber-filter by air, m3h 1500 Aerodynamic resistance at rated air flow rate, Pa
- initial, max.
- ultimate, max.
1000
1500Cleaning efficiency,%, min.
- by aerosol particles of the most penetrating size (0.2-0.3)µm
- by molecular iodine
- by iodine organic compounds (checked by methyl-iodide)
99,99
99,9
99,0Temperature of working medium, 0C, -40...+50 Relative humidity of cleaned air, % 80 Nominal power of electric heater, kW 30 Full pressure created by the fan, Pa, min. 2500
HIGH-EFFICIENCY FILTERING UNITS
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