"Our venues basically do not need lighting during the day, and there have been several events held here." Zhang Wenli, assistant to the president of China Agricultural University, said in an interview recently.
Five projects, including the China Agricultural University Gymnasium, which have been completed, have adopted natural lighting roofs to make building energy efficiency come into practice.
With the interview of the “China Environmental Protection Century Tour†press group in Beijing, the concept of “Green Olympics†is fully reflected in the construction of many Olympic venues through the adoption of energy-saving technologies, water-saving technologies and the use of new energy sources.
Beijing is a city with severe water shortages. Make full use of Zhongshui (non-potable water obtained after sewage treatment), high-level treatment of sewage, and collect rainwater as much as possible... Beijing has saved water resources through a series of engineering measures and technical means in the construction of stadiums. The person in charge of the “2008†project construction headquarters of Beijing introduced that all the Olympic venues have adopted the water use technology. Five projects including the National Aquatics Center, the Olympic Village and the Olympic Forest Park have built a high-level sewage treatment system. Fifteen new construction projects, such as the Fengtai Softball Taste National Convention Center, have built a high-level rainwater utilization system, which will make full use of rainwater and flood resources to recharge and conserve groundwater.
Solar energy, wind energy, geothermal energy, sewage heat energy, heat pump... The use of various new energy sources has also become an important aspect of the "Green Olympics" concept embodied in the Olympic construction. Up to now, the Olympic project has adopted 34 new energy projects, 13 advanced heat recovery air conditioning technologies and 22 advanced energy utilization technologies. The 9 projects of the Tennis Center and Peking University Gymnasium have adopted geothermal, ground source or water source heat pump systems. In the Olympic Village alone, the application of heat pump technology will save 15% to 20% of energy compared with ordinary central air conditioners, saving 340,000 per year. Degree; National Sports Tasting Wusong Basketball Hall, Olympic Forest Park Central District and other seven projects have adopted solar photovoltaic technology; Beijing Shooting Range, Laoshan Bicycle Hall, Olympic Village and Media Village have adopted solar thermal technology.
The Olympic Village solar water heating system can provide bathing hot water for 16,800 athletes during the Olympic Games. After the Olympic Games, it will supply the domestic hot water demand of 1,868 households with 6,000 residents in the district. The annual electricity saving will reach 10 million kWh and the coal consumption will be 2,400 tons.
The 61 advanced air treatment technologies used in the Olympic Games cover heat recovery air conditioning, natural ventilation, indoor air energy-saving treatment and purification, 48 green energy-saving lighting technologies and 38 energy-saving building maintenance structures. These will save energy to a certain extent and reflect the concept of "Green Olympics".
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