SOME THINKINGS ON THE DESIGN OF ENVIRONMENT CONTROL SYSTEM IN THE METRO STATION

CHEN Li-qi

Journal of Railway Engineering Society ›› 2005, Vol. 22 ›› Issue (6) : 45-47.

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Journal of Railway Engineering Society ›› 2005, Vol. 22 ›› Issue (6) : 45-47.

SOME THINKINGS ON THE DESIGN OF ENVIRONMENT CONTROL SYSTEM IN THE METRO STATION

  • CHEN Li-qi
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Abstract

Research purpose: The energy waste caused by determination of fresh air requirement and cooling load based on the predicted statistics of 30 years later in the design of current underway environment system, this paper suggested and recommend some new technology for saving energy.
Research methods:(1) According to the indoor COZ concentration control fresh air requirement, the fresh air should be handled single. (2) The stable indoor cooling load, variable fresh air and human cooling load could be handled by different units.(3)The supply of the ice storge system and the earth-source heat pump on elevator station may be recommended.
Research conclusion: (1)To control fresh air requirement, it could reduce fresh air cooling load.(2)To handled the variable cooling load, it could save energy.(3)To make use of ice storgy system under subway station environment system, the cost of electrical loads would reduce 40%, and the supply of the earth-souce heat pump on elevator station would reduce 30% than variable refrigeration volume system.

Key words

environment control system / fresh air / variable refrigeration volume system / ice storge / earth-source heat pump

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CHEN Li-qi. SOME THINKINGS ON THE DESIGN OF ENVIRONMENT CONTROL SYSTEM IN THE METRO STATION[J]. Journal of Railway Engineering Society, 2005, 22(6): 45-47

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