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New multi-function integrated ventilation and air conditioning system for city rail transit

More and more cities develop rail transit to solve transit difficulties. While the high building and operational cost set back the development. A new multi-function integrated ventilation and air conditioning system has been researched and developed for city rail transit to solve this problem. Combined with the line 5 metro system of Beijing, system function, composition, operation mode has been analyzed in detail. System scheme were simulated in computer and tested with machine. The scheme effect was tested. The scheme was combined with traditional scheme in technical, economy and operational cost.