Although the concept of "central air conditioner" is not a fresh concept, the special "central air conditioner" in the Beijing Olympic Village is still impressive. Compared with the traditional central air conditioning, this reclaimed water source heat pump air conditioning system does not require cooling towers, boiler rooms, the energy consumption of traditional electric boilers 1/4, more importantly, it does not emit any pollutants. In fact, this system is just one example of many energy-saving technological means in the Olympic Village. Green, science and technology, and humanities have long been the labels of the Olympic Village. The "green" and "science and technology" of the Olympic Village can be said that in recent years China's residential construction science and technology as a microcosm. Since the housing reform curtain opened 10 years ago, China has entered an era of large-scale housing construction. In the past ten years, it coincides with the concept of "green philosophy" being promoted from popularity to popularity. Especially after China successfully applied the concept of "green Olympics" for bidding for the Olympic Games, China's residential construction technology has made strides in the direction of "green". From the perspective of environmental protection or from the perspective of meeting the demands of modern living quarters, the era demands that residential science and technology must develop toward "green" development. The real estate industry in China is gradually maturing towards modernization and industrialization, and it has also become an inherent strong driving force for the development and popularization of residential science and technology. Green Olympics Boost Residential Science and Technology Due to the large population, especially with the rapid development of urban construction in recent years, the current building energy consumption in our country has risen drastically year by year. Relevant data show that China's total building energy consumption has reached 45% of the national total energy. Against the backdrop of the growing shortage of energy in the world, the "green revolution" for building energy efficiency is imperative. The good news is that in the past few years in the field of residential construction, both in building technology and construction concepts have made great strides, more and more scientific and technological means and energy-saving measures have been applied to residential construction. Behind this, "green Olympics, science and technology Olympics" concept can be described as contributed. According to statistics, a total of 68 advanced technologies including air handling, green energy-saving lighting, energy-saving building envelope structure, power distribution and intelligent control and energy saving have been used in the Olympic Games. Zhan Zhiyuan, an energy-saving engineer at Beijing TEDD Energy Co., Ltd., introduced that most of the energy-saving technologies were applied to common housing construction at the time when most of the scientific and technological means in the construction of the Olympic venues were five years ahead of schedule. "Energy-saving revolution" calls for industrialization In the above context, in recent years, the high-tech residential project market with "low energy consumption" or even "zero energy consumption" in the residential market has had a very good market response and promoted a growing number of high- Real estate development companies such as real estate began to attach importance to the development of science and technology housing. However, in the process, the high selling price has become the biggest stumbling block to the popularization of high-tech housing. Compared with these expensive high-tech houses, the standardized and specialized "commercial residential houses" are obviously more conducive to the goal of "science and technology, green energy saving and emission reduction" in China's residential buildings. Data shows that once the prefabricated rate of residential buildings reaches 37%, 36% of water can be saved and 31% of electricity consumption can be saved, meanwhile, the noise can be reduced; the reutilization rate of steel templates and the like can be increased; and the waste can be reduced by 83%. The Chinese government has long recognized the important role of the industrialization of housing industry, an international fashion trend, in the fields of energy conservation, emission reduction and green environmental protection. As early as in 1995, the former Ministry of Construction issued the "Outline for the Development of Industrialized Buildings" with the aim of promoting the industrialization of building construction as a whole. In 2006, the former Ministry of Construction issued the "Trial Measures for National Housing Industrialization Base" and determined that "the national residential industry Base "model to promote the modernization of national housing industry, a new model. Under the policy of "supporting the best and eliminating the inferior" and driven by the development of the enterprise itself, real estate companies as the main body of residential development are also consciously moving into this field. Vanke is one of the representatives. ["Green Revolution" still needs hard work Although energy-saving emission reduction and green concepts have gradually been accepted and accepted by all sectors of society, including government, developers and the public, green residential technology still needs a period of real large-scale application in residential construction Way to go. Developers have said that now do green energy-saving buildings will inevitably lead to increased costs, but prices are under control, the people of green energy-saving residential did not feel deeply, so most developers lack the promotion of popular science and technology green housing The enthusiasm. In this connection, China Real Estate and Housing Research Institute of Habitat Environment Committee deputy director and expert group leader Kwan-yan said that the current technology residential, energy-efficient residential development has reached a "critical step" beyond the most critical stage. He said that now building energy efficiency, there is an impetus in the field of residential science and technology, most of the designers satisfied with the technology piling up, satisfied to pass the review of energy-saving construction plans, can have a "red seal" only, and does not focus on building energy efficiency The actual effect. "If you can not eradicate this impetuous mood, building energy efficiency, development of residential science and technology and other work is hard to really implement." Kai Yan exclaimed. Therefore, Kanyuki suggested that the government should encourage those who do "green housing", "healthy housing" business. For example, energy-saving building enterprises, the implementation of priority land, priority loans, tax cuts and energy-saving emission reduction honor enterprises to develop energy-saving building measures, those who spend more energy-intensive enterprises to increase tax revenue. At the same time, it is necessary to raise the marketization level of industrialized houses and energy-saving residences, increase the standard system of industrialized houses and invest in technical research, and improve the evaluation system of energy-efficient buildings.
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