1、 1 摘摘 要要 本建筑位于江苏省南京市,是一栋楼层为 10 层,集餐饮、娱乐、住宿和地 下车库为一体的综合性建筑物。 本设计旨在对该大厦进行空调、通风与防排烟设计,力求达到经济、舒适、 实用,并尽可能满足节能的要求。 总建筑面积 17300m2,空调面积约 8179m2。夏季设计冷负荷为 1209kW,是 一项能耗较大的工程。 本工程采用水冷螺杆冷水机组作为空调的冷源进行夏季制冷, 冬季采用热水 锅炉进行供暖。通过对各种空调方式的比较,精品商店等大空间区域采用一次回 风集中式中央空调系统, 其余场所采用吊顶风柜或独立新风加风机盘管等半集中 方式。 该大厦一至三楼东、西侧空调区域分别共用一个冷
2、冻水环路,四至十层共用 另一冷冻水环路。 建筑内走道采用竖井排烟,排烟风机设置在 10 层;中庭通过在裙楼屋顶层 采光棚旁设置风机来实现排烟; 防烟楼梯间和消防前室进行机械送风来保证疏散 安全, 其中防烟楼梯间设置正压为 40Pa50Pa, 消防前室设置正压为 25Pa30Pa。 地下车库采取车道自然补风,设置机械排风、排烟。卫生间均采用通风器进行排 风。 关键词:水冷螺杆冷水机组,节能,风机盘管系统,机械排烟 2 Abstract The building is located in Nanjing Jiangsu Province,with total layers of 10 ,whic
3、h is a set including catering,entertainment,accomodation and an underground garage as one integrated building . The design aims at affording comfort air conditioning for the building, achieving criterion of fire control, and offering an economical, comfortable,convenient and practical system. Also i
4、t should meet the requirement of energy-saving. The building construction area is 17300m2 while air-conditioning area is about 8179m2. The total design cooling load in the summer is 1209kW. Its a project with heavy energy-consuming. The project adopts water-cooled screw chiller are selected in summe
5、r to offering chilled water, and boiler producing hot water is selected in winter. After a comparison of different air conditioning plans, the boutique shops and big space area adopts central air-conditioning system with primary return air, while other parts adopt fan coil unit system with independe
6、nt fresh air or ceiling type air handling units. The buildingon Floor 1 to Floor 3 of the easten side and the west side respectively one of the chilled water loop, Floor 4 to Floor 10are served by another closed water loop. Building in the aisle by exhaust shaft, the exhaust fan is arranged in the 10 layer; atrium through the fan are arranged in the roof layer lighting shed adjacent to achieve smoke; smoke preventing staircase and the fire room for air to ensure the evacuation safety of ma