菜单
  

    The design task is to complete the Shanghai Tian Shan Hotel conditioning design, design issues since the actual project. Purpose of this project through the design, control air-conditioning systems design, design steps to train students of the problem, solve the problem of the actual application capacity; deepen their understanding of building air-conditioning engineering expertise and understanding of memory; have air-conditioning duct, plumbing , Equipment selection and layout; master of wind and water mains in calculation; enhanced graphics capabilities and develop analytical, problem-solving practical engineering capabilities for the future in the indoor environment and public works construction equipment of HVAC design and construction organizations , Operation and management work for a reliable basis.
    2 The general situation of the engineering
    The building is located in Shanghai, is a 3-story budget hotel, the building area of 72000 square meters. A main foyer, reception, as customers, but does not belong to the hotel, each room of the building comes with both toilet and wash basin features, sitting stool and shower. The air-conditioning design is mainly directed against two-story dining rooms and three floors above, the standard of the plane, see the third layer.
    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 Wuhan Yang shop 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
    5 Air condition breeze systems
    All romms adopted the new Canadian Wind fan coil air-conditioning systems. As a result of these air-conditioned rooms more, the corresponding area of smaller, separate rooms require adjustment, and the room temperature and humidity requirements do not strictly, have adopted the new Canadian Wind fan coil air-conditioning systems. The new wind-based system, an independent supply of indoor and outdoor weather can change with the adjustment, which is the new wind to deal with indoor parameters, do not assume room load to ensure that indoor humidity and Xinfeng Liang requirements. This programme is improving the system of regulation and the flexibility of operation, and the fan-coil into the water supply can be appropriately raise the temperature, water mains condensation phenomenon can be improved.
    6 Air conditioning water system
    As the building's air conditioning system using water-pressure gas tank closure expansion tank means constant pressure. Taking into account the simple design of the pipe line system, the design of water systems in a dual-tube. Rooms vary for the horizontal part of program, namely for, the backwater stem the flow of the opposite direction, each Yi Huanlu ranging from the length of the pipeline, without the return by the way, tubes shorter length, the pipeline simple vertical for the same Program, that is, that is, for, backwater stem the flow in the direction of the same, after each Yi Huanlu the same length of pipe, use of the way so that water distribution, regulation of convenient.
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