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Nanjing subway station ventilation and air conditioning system debug and analysis


Small amount of poor air quality; (5) platform concourse frequency ventilation and air conditioning system, the method by fans in the case of small low-frequency traffic is energy efficient to run. The current running program can guarantee the number of public areas of the ventilation requirements, economic and effective; (6) CO concentration in public areas influenced by traffic, work will be the peak of the CO concentration was significantly higher than other times. However, the peak CO concentration does not exceed the regulatory requirements still limit air quality is good. As the concentration of CO influenced by the traffic, much the peak of (20a after) would be exceeded if the concentration,[link widoczny dla zalogowanych], the need for further simulation. Nanjing Railway Station on the detection of air conditioning and ventilation system,[link widoczny dla zalogowanych], makes the following recommendations for improvement: (1) central air conditioning system wide installation and use of VRV needs to proceed cautiously before installation, commissioning personnel should go first to commissioning, commissioning the wind if the system is not able to solve issue to consider installing VRV units; (2) environmental control system put into use, air flow distribution can not fully meet the actual requirements, must be to meet the requirements of system commissioning; (3) The exhaust pipe air conditioning system, the air should be exhausted to the outside, but As the design is unreasonable, into, in the ventilation shaft ventilation system in the short-circuit, it is necessary to extend the exhaust pipe; (4) air-conditioning systems and equipment, cold water pipe insulation should be further processing, to ensure that the insulation effect. References: l 【】 GB50234-2002. Ventilation and air conditioning construction quality acceptance 【s】. 【2】 to pay Long Zhao, Yue-man. Fluid transmission and distribution network 【M】. Beijing: China Building Industry Press, 2002. [3] Chen Mao chapter. Viscous fluid dynamics [M]. Beijing: Higher Education Press, 2002. 【4】 Chi Xu, Gui Xiangyun. 【M】 Operations Research. Beijing: Tsinghua University Press, 2005. 【5】 side the neighbors, Jiang Yongcheng, Zhang Jianli. Building Environmental Testing 【M】. Beijing: China Building Industry Press. 2002 [6】 Masi Long. ResearchOilme & ~ urementmethodofwindspeed [Z]. 2005. 【7】 Sun Yijian. Industrial ventilation [M】. Beijing: China Building Industry Press _ D, 1984. Received date :2008-09-12 Revised :2008-11-17AdjustmentandAnalysisofVentilationandAir-c0nditioningSystemintheNanjingSubwayStationWANGHui, ZHUPei-gen, YANGJun (,. ErringSubsidiariesofNanjingMetroCo., Ltd, Nanjing210012, China; 2.PLAUniversityofScienceandTechnology, Nwzjing210007, China) Abstract: Inordertofindtheproblemsandproposefeasiblesolutions, testsontheairflowamount, temperatureandhumidity, theflowingdistributionofthewatersystems, importingandexportingwatertemperatureoftheNanjingsubwaystationSventilationandairconditioningsystemwerecarriedout. Andthetemperature,[link widoczny dla zalogowanych], humidityandcarbondioxideSconcentrationofthepublicareaweremonitored. Combiningtheprevioustestingexperience,[link widoczny dla zalogowanych], severalrecommendationswereputouttoimprovethesystem. Keywords: airflowmeasure; coolingcapacity; dewing Author: Wang Hui (1970 a), F Wujin,[link widoczny dla zalogowanych], Jiangsu Province, bachelor, ventilation and air conditioning in the subway system management. Total No. l25 embroidery lI8.1 curl of O 3

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