计总说明本设计是位于上海瑞兴商业广场上层（6～19）办公楼的中央空调系统，瑞兴商业广场上层是第751到第十九层的建筑空间，建筑为正方形结构，正中心有751部公用电梯和两部货用电梯，两个安全走道，安全走到有消防前室，每层南北朝向分别有两个136㎡的大办公室和一个32㎡的小办公室，东西朝向分别有两个36㎡和一个108㎡的办公室，所有办公室内都设有独立的卫生间。考虑到空间所需的负荷量并不是很大，为了节约空间，经过对比，冷热源部分采用模块化风冷全封闭活塞式冷热水机组，安装在楼顶，风冷式机组具有运行效率高、智能化程度高，占地面积小，无需冷却塔，锅炉等配件以及成本小的优点。为了使办公空间具有较高的舒适度，末端采用风机盘管加新风的空气处理方式，风机盘管承担室内全部负荷，新风系统与风机盘管完全独立，分别独立设立散流器式的出风口，新风机组安装于新风机房内，每一层楼设置一台新风机组负担该层所有空调房间的新风，该新风机组具有加热、冷却、加湿、除湿、过滤等功能，当冷热源出现故障停止工作或到周末不集中供冷供热时，新风机组能够承担室内的一定负荷，满足个别办公室加班等问题。该空调系统的优点是占用建筑面积少，可集中供冷和供热。同时各末端装置有独立的开关和调节功能，各房间的温度可独自调节与控制。27693
 水系统部分采用封闭、双管制同程式系统，有利于水压的平衡，使个房间水量保持充足，也有利于水系统循环。
 本设计对系统的供回水管的保温、空调机组的减震等方面选择适当的材料和采取了相应的措施。
 防排烟部分，本系统对安全走道设计了通风管，由室外风机做工将空气压到安全走道内，保持一定正压，当火灾发生时，人员可以从安全走道疏散。排风设置在卫生间内，由于每个办公房间都有独立的卫生间，所以在每个卫生间设计排风口能够满足排烟及卫生间污染空气排出的目的。
    设计内容包括：空调冷负荷的计算；空调系统的划分与系统方案的确定；冷热源的选择；空调末端处理设备的选型；风系统的设计与计算；室内送风方式与气流组织形式的选定；水系统的设计、布置与水力计算；
毕业论文关键字：办公楼；中央空调；风机盘管—新风系统；
a central air conditioning system for the superstratum of RuiXing official building in Shanghai City
 description of design
the graduation project designs a central air conditioning system for the superstratum of RuiXing official building in Shanghai City, Ruixing commercial plaza of the upper layer is 6 to 19 construction space, constructed for the square structure, is center has six public elevators and two goods elevator, two safety walkway, safe to walk to the front of the fire room, each layer of the northern and southern dynasties to 136 ㎡, respectively, there are two big office and a small office, 32 ㎡ thing front respectively has two 36 ㎡ and a 108 ㎡ office, all in the office is equipped with independent bathroom. Considering the load of the space needed is not very big, in order to save space, by contrast,This design adopts the modular air-cooled enclosed piston cooling and heat sources，In order to save space, it is installed on the roof，Air-cooled unit with high efficiency, high intelligent degree, cover an area of an area small, without cooling tower, boiler accessories, as well as the advantages of small cost. In order to make the office space has the high comfort,Adopt fan-coil unit plus fresh air at the end of the air handling，Fan coil units to undertake indoor full load，Fresh air system and fan coil units fully independent，Set up the diffuser independently and type of outlet .The independent fresh air machine is installed in the fresh air machine room[3]. Each floor places one independent fresh air machines to support the independent fresh air for all the air conditions room in that floor.The advantage of the air condition’s system is that is can reduce the building area,it can both provide with quantity of cold and quantity of heat.Each thermantidote have the function of regulating independently,the temperature of each room can be controlled alone. 商业广场上层空调通风系统设计+CAD图纸:http://www.751com.cn/gongcheng/lunwen_22244.html