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- 下一篇：体育馆通风空调系统设计
7 卫生间通风设计
本工程房间的卫生间设机械排风装置，设置排气扇，卫生间的通风换气量按20-30m3/h。无窗卫生间设置排风口，排风由风管同一接出，由排风机排至室外。靠近外墙且有外窗的卫生间，直接排到室外。卫生间保持负压，防止气外泄，卫生间选用排气扇加止回阀.
The general illustrate of design
1 The source of the design
Accompanied by the whole process of human nature, is how to overcome the threat of external environment for human survival and influence of the problem. Not only human beings are facing to solve their own living and working environment control problem, and solve the production process and scientific experiments required by environmental problems. Hvac design is mainly to design of indoor thermal environment and air quality, but it must be in fully understand the construction of hvac requirements and hvac systems and equipment for buildings and other facilities on the basis of the influence of the design.
The design task is to complete the Shanghai building air conditioning design of bending mountain, as a subject from the practical engineering design. The purpose is to through the project design, to grasp the method of air conditioning system design, design steps; Training students to analyze problems, solve the problem of actual engineering application ability; Deepen the understanding of building air conditioning engineering professional knowledge and memory; Mastering the air duct, water pipe, equipment selection and layout; Mastering the air pipe and water pipe calculation; Enhance the capacity of drawing; Develop to analyze and solve problems of practical engineering application ability, engaged in the indoor environment equipment engineering and public buildings for the future of the hvac design, construction organization, operation and management work lay a reliable foundation.
2 The general situation of the engineering
This design for bending mountain building, office building in Shanghai central air conditioning system, proposed for the rational design of central air-conditioning system, provide a comfortable working environment for indoor staff. Building a total of four layers, the first layer of clear height of 5 m, second clear height of 4.2 m, other three clear height of 3.1 m. This engineering design tasks as the selection and arrangement of air conditioning system, indoor thermal and moisture load calculation, system hydraulic calculation, system air volume and heat balance calculations, equipment selection calculation, etc.
3 The basic of Design
3.1 Design task request and the original information
According to the Building nature, purpose and requirements of the construction unit of Bending mountain building for specific types of hotel design are as follows：
⑴ load calculation (mainly carried out gradually when the cooling load)
⑵ air-conditioning system design wind: based on the actual situation of choice for the construction of the system
⑶ cold and heat source equipment design (including the chiller, oil-fired boiler, cooling water pumps, water pumps frozen the design selection, watershed, water catchment design, location and identification equipment installation and pipe layout)
⑷ the calculation of air-conditioning Selection: including the choice of fan coil, air conditioning units and air units of the new calculation Selection
⑸ air conditioning water systems and wind systems design and calculation: including water piping system design, fan coil units and air-conditioning layout
4 The main design work
Choice of architectural features of air-conditioning; cold and heat load calculation; wind of a water pipe layout, hydraulic calculation; breakdown of the water pipeline computation. Hydraulic calculation based on choice of air-conditioning, including air conditioning units, the new wind generating units, fan coil, outlet and other equipment
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