【摘要】：環(huán)控系統(tǒng)是地鐵用電大戶,國內(nèi)外已經(jīng)開始對環(huán)境控制系統(tǒng)的設(shè)備選型、設(shè)計(jì)、運(yùn)行等諸多環(huán)節(jié)進(jìn)行進(jìn)一步節(jié)能優(yōu)化研究,并找到了一些可行的節(jié)能途徑和措施。不過目前,對車站空調(diào)系統(tǒng)節(jié)能的相關(guān)研究較多,對隧道通風(fēng)系統(tǒng)節(jié)能的研究仍少。 成都地鐵7號線全線采用了屏蔽門系統(tǒng),致使隧道與車站站臺(tái)完全分割開來,同時(shí)在車站隧道處設(shè)置了軌道排熱系統(tǒng),所有車站都采用單活塞通風(fēng)的形式,即在車站的出站端設(shè)置一個(gè)活塞風(fēng)井。本文以成都地鐵7號線初步設(shè)計(jì)文件為依據(jù),建立SES所需的地鐵模型,研究以下問題： (1)結(jié)合SES對不同運(yùn)營時(shí)期、不同風(fēng)量工況下地鐵環(huán)控系統(tǒng)進(jìn)行逐時(shí)模擬,通過分析不同時(shí)期土壤蓄熱、列車運(yùn)行模式和客流量等變化因素的影響,研究車站隧道排熱風(fēng)機(jī)各種工況下的節(jié)能運(yùn)行策略及效果。 (2)分析七號線上中間風(fēng)井的取舍問題,并為實(shí)際設(shè)計(jì)提供理論依據(jù)。 本文得出的結(jié)論和成果如下： (1)地鐵運(yùn)營初期關(guān)閉排熱風(fēng)機(jī),近期非高峰時(shí)段關(guān)閉排熱風(fēng)井,高峰時(shí)段推薦軌道排風(fēng)量為20m3/s,遠(yuǎn)期分時(shí)段分風(fēng)量開啟排熱風(fēng)井,地鐵隧道內(nèi)溫度滿足規(guī)范要求,大量節(jié)省能耗。 (2)7號線為環(huán)線具有特殊性,氣流一直在環(huán)線循環(huán),只能通過風(fēng)井與外界進(jìn)行氣流交換。車站活塞井排在排熱風(fēng)機(jī)全部開啟情況下初期和近期和遠(yuǎn)期都表現(xiàn)為引進(jìn)新風(fēng),節(jié)能運(yùn)行方案下,初期和近期活塞風(fēng)井進(jìn)排風(fēng)量相差不大,遠(yuǎn)期進(jìn)風(fēng)量大大于排風(fēng)量。 (3)取消中間風(fēng)井隧道溫度略微變化,影響區(qū)域僅為中間風(fēng)井所在區(qū)間和前后車站兩邊區(qū)域,其他隧道溫度保持不變；除中間風(fēng)井所在區(qū)間隧道流量略微增大和活塞風(fēng)井流量增大外,其他流量基本不變。綜合分析認(rèn)為：該處中間風(fēng)井可以取消。
[Abstract]:The environmental control system is a large power user of subway. It has begun to study the selection, design and operation of environmental control system equipment, and find some feasible ways and measures to save energy. However, there are more researches on energy saving of station air conditioning system and less on energy saving of tunnel ventilation system. The shield door system is used in the whole line of Chengdu Metro Line 7, which results in the complete separation of the tunnel from the platform of the station. At the same time, the track heat discharge system is installed at the station tunnel, and all stations adopt the form of single piston ventilation. That is, a piston air shaft is installed at the exit end of the station. Based on the preliminary design documents of Chengdu Metro Line 7, this paper establishes the subway model needed by SES, and studies the following problems: (1) combining with SES to simulate the subway environment control system in different operating periods and different air flow conditions, By analyzing the influence of soil heat storage, train operation mode and passenger flow in different periods, the energy saving operation strategy and effect of station tunnel exhaust heat turbine were studied. (2) analyzing the problem of choosing and choosing the middle air well on No.7 Line, and providing the theoretical basis for the practical design. The conclusions and results of this paper are as follows: (1) in the early stage of subway operation, the exhaust air turbine is closed, and in the near future off-peak period the exhaust air well is closed. The recommended rail exhaust air volume in the peak period is 20m3 / s, and the forward air flow rate is divided into two stages to open the exhaust air well. The temperature in the subway tunnel meets the requirements of the specification and saves energy consumption. (2) Line 7 has its own particularity, the air flow has been circulating in the loop line, and the air flow can only be exchanged with the outside world through the air well. The initial, short and long term performance of the piston well row in the station under the condition of all the hot air drains is the introduction of fresh air. Under the energy saving operation scheme, the inlet and exhaust air volume of the initial and recent piston air well is not different, and the forward air intake is larger than that of the exhaust air. (3) to cancel the slight variation of the tunnel temperature in the intermediate air well, the affected area is only the interval of the intermediate air well and the area on both sides of the front and rear stations, while the temperature of the other tunnels remains unchanged; Except for a slight increase in the tunnel flow rate and an increase in the piston air well flow rate in the interval of the intermediate air well, the other flow rates are basically unchanged. The comprehensive analysis shows that the middle air well can be cancelled.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU834.35;U231.5

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