Gwangju metropolitan rapid transit corporation - Environmental city rail

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HOME >The scheme and systems of the air
quality control in stations

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Control the air quality

The scheme and systems of the air quality control in stations

Maintain the pleasant indoor air quality
  • Operate the air quality sensing system (TMS) in basement station on 24 hours.
    • Outlines : Remote control the real time measures of the automatic environment measures(TMS) in 4 stations.
    • Equipped station : Geumnamro 4-ga station, Nongseong station and Songjeong park station.
    • Operation hours : The whole year ( 24 hours 365 days)
  • Operate environment electric board to inform environment measures to citizen.
    • Equipped station : Waiting rooms in Geumnamro 4-ga station
    • Indicating modes : Indicate measures on real time ( ex, PM 10, CO, CO2)
    • Indicating terms : 24 hours 365 days.
Environment measures
Environment measures
Environment electric boards
Environment electric boards
  • Operate the air quality sensing system (TMS) in basement station on 24 hours.
    • Supply the clean air that is passed into the 3 steps air cleaning machine and the fresh air intake. (The fresh air intake -> cleaning demisters -> pre-filters -> cleaning electric precipitations ->supply the air)
Cleaning demister
Cleaning demister
Pre-filters
Pre-filters
1 step electric precipitation
1 step electric precipitation
2 step electric precipitation
2 step electric precipitation
  • Operate the latest air cleaning machines (air filtering machines)
    •  Gwangju Metro have excellent ventilator capacity of HVAC system (compared the ventilator equipment standard between Gwangju Metro and legal standard)
  • Category Law standards Gwangju Metro Capacity Difference Comparison
    Ventilating turns (turns a hour) over 0.5 9.9 turns approximately 20 fold  
    per the number of users
    Quantity of ventilation (m2 per person/hour)
    over 25 123.9 approximately 5 fold