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Design General Information
This air-conditioning systems design is for the Ju Shi office building and it will be afford a comfortable working environment for indoor staff. Office building is one of the most important buildings. The level of construction standards and equipment is also a country's modernization level and technical level. The design combines features of air-conditioned office building, according to Tong Xiang region's energy structure and energy situation and the current level of economic development, from the perspective of energy-saving design, providing people with a comfortable, safe and healthy working environment.
This design mainly includes office and meeting room. There are 7 floors in this office building. The total construction area is 4010 m², the top of the building height of 24 m. The air conditioning design is mainly for office. For the office staff, visitors and other staff’s provide a comfortable and healthy environment. According the architectural design of the different parts of the structural features, it takes full account of the indoor environment of comfort.
Fan-coil system is mainly used air-conditioned rooms bear the cooling load and the heat load, the ceiling of each office room placement within one fan-coils. The new wind of fresh air through independent channels into the first fan-coil, and then mixed together with return air into the room. New wind generating units installed on ceiling, new air unit of the burden of all air-conditioned rooms in the new wind load. The air-conditioning system has the advantage of occupying less floor space, cooling and heating can be concentrated at the same time, the terminal device and a separate regulatory function switch, the room temperature alone can regulate and control, and prevent cross-infection of the air. Air-conditioning system uses closed-water systems, not because it apart from pollution, save initial investment, but also has great energy-saving effect. Each floor sets 2 fresh air units. The fresh air units are made from Air Conditioning Equipment Co., Ltd. Shandong. The products’ models are KDX2-8 and KDX3-8.
That text carries to the new breeze of the office building, the cold heat carries with wet carries to make the meticulous and accurate calculation, design for air condition machine set, place with a draught etc. of choose type and breeze ways arranged to provide well but accurate basis.
The office building send to the wind force begs everywhere even, easy to concentrate control with economize on energy. Breeze a request for arranging and cross section size too synthesizing consideration current velocity inside the tube with noise. In system selecting, the layer point expatiated the choice breeze machine dish takes care of the reason of the system and the characteristics of that systems, the breeze machine dish tube half concentrates the type system has the extensive applicability to the office etc. mainly room and each rooms carried and request to be each not floor. fan coil equipment chose Haier’ products, which fans of small type, double inlet centrifugal fans multi-leaf .The cold bottled water and return water temperature is 7 ℃~12℃.
Moreover, this text returns the point expatiated the cent area of the system arranges, tube road together the arrangement of the program system and choose the fit equipments etc. problem to the concrete circumstance, particularly detailed introduced each water supply of direction, the pipe line of congealed water takes care of the choice method of the path. The design selects the closed air conditioning system, the vertical with the process, the level of different programs, dual control, single-stage pump, constant flow system.
The system use air-cooled heat pump units as cool and hot source. Two equipments select the Kunlun Nantong Air-conditioning Group’s products .The model is RKFQR-80.Each cooling capacity is 282kW, for heat is 336 kW. An air-cooled heat pump units up to 90% energy efficiency, saving energy consumption, greatly reducing the user cost.