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Drawing the most beautiful background color of the building with "green" -- remember the innovation and development road of the technology development center of the general group

2021-10-28 10:55

Drawing the most beautiful background color of architecture with "green"
——Remember the innovation and development road of the technology development center of the general group

Green development is one of the five development concepts of "innovation, coordination, green, openness and sharing" put forward in the Fifth Plenary Session of the 18th CPC Central Committee. It is the deepening of the party's understanding of the law of economic and social development, and has become the main theme of high-quality development in the new era. At the 75th session of the United Nations General Assembly in 2020, China solemnly promised to the world that it would strive to achieve carbon peak by 2030 and achieve carbon neutrality by 2060 (referred to as "3060" double carbon target).
Under the guidance of the national strategy of energy conservation and emission reduction and green development, the first ultra-low energy consumption and energy-saving renovation project of existing buildings in Beijing, built by the general housing group, was unveiled in October 2021. As a project implementation unit, the technology development center (Beijing building energy conservation research and Development Center) of China National Housing Group Co., Ltd. has built this "zero carbon building" with leading and demonstration significance. It is not only a natural result of nearly 30 years' focus on building energy-saving technology, but also a comprehensive embodiment of state-owned enterprises' implementation of their original intention and mission, playing a leading role in science and technology, and realizing innovation and development.

A focus: always be the leader in building energy conservation
In 1992, the technology development center of the general housing group was established. Starting from undertaking the research and promotion service of new building technology and new products, after short-term business exploration, it quickly found the energy-saving technology breakthrough of external wall external insulation. Since 1993, it has devoted itself to the technical research, striving to be the industry leader. Since then, the technology development center has been working hard in the field of building energy conservation, and now it is striving to become a leader of zero carbon buildings and a pioneer of comfortable buildings in China.
Opening the memorabilia of the center, a main line of development is particularly clear. The scientific research team has always focused on one thing, that is, building energy conservation.
A group of time and data statistics are as follows: during the implementation of the 30% building energy saving standard by the state and Beijing, in 1994, the housing general group undertook the first pilot project of Wolong Garden community with 50% energy saving in Beijing, and applied the self-developed external insulation technology for external walls. In order to solve the cracking problem of the external thermal insulation protective layer, the scientific research personnel of the technology development center have successfully developed their own polymer emulsion and mortar, and achieved very good results in the large-scale pilot project of the residential area. The new construction technology of external thermal insulation for external wall was evaluated by experts as "leading level of similar technologies in China". Since then, since July 1, 1996, China's building energy efficiency standards have been raised from 35% to 50%.
In the 10 years of continuous development of external wall thermal insulation, the technology of external wall external insulation of Technology Development Center has led the position of building energy-saving industry, and achieved the achievement transformation. In 1996, the technology development center completed the GKP external insulation technology research, and applied for the national invention patent. In 1998, he edited the first national standard of external thermal insulation in China. In 2003, he edited the acceptance standard for energy efficiency of capital buildings.
At the same time, the technology development center began to contact the comprehensive renovation project of old residential areas, providing new demonstration for improving people's livelihood. From 2007 to 2008, he presided over the implementation of Sino German Technical Cooperation Demonstration Project - comprehensive renovation project of No. 12 building in Huixin West Street, becoming the first energy-saving reconstruction project of existing buildings in China to achieve 65% energy-saving. Experts identified that "the research results fill in the blank of comprehensive energy-saving transformation technology of existing buildings in China and reach the international advanced level." In 2012, huizhongli C District completed the first 75% energy-saving transformation pilot project in China and the overall green energy-saving comprehensive transformation of the community. The acceptance expert group of the Municipal Commission of housing and urban rural development thinks that "the energy-saving transformation pilot project carried out by the project has innovative demonstration significance, and its typicality and feasibility have good promotion value." The two projects have won the third prize of Beijing Science and technology progress award.
The technology development center provides reference basis and technical support for local and even national building energy-saving related policies through forward-looking exploration and practice. Since its establishment, the technology development center has completed more than 80 scientific research projects of the state, the Ministry of housing and urban rural development and Beijing Municipality, edited more than 50 building energy-saving standards, and won many provincial and ministerial level science and technology awards such as the housing and Urban Rural Development Commission and Beijing Municipality. It has always played a leading role in building energy conservation.
On January 1, 2021, Beijing will increase the energy saving rate of residential buildings from 75% to more than 80%. At this time, the technology development center has focused on the "passive house" with energy saving of 90%.

The most of the four: promoting passive housing with technology as the core
Passive house, also known as "passive ultra-low energy consumption green building", originated in Germany, is the world's leading low-carbon energy-saving building. As an active advocator and promoter of the transformation of traditional construction industry, China Housing Group began to pay attention to passive housing in 2008 and carried out research and basic research. As a key part of the green building industry chain of the general housing group, the technology development center has always been focusing on promoting ultra-low energy consumption building technology with an international perspective.
In 2012, the technology development center went to Europe for the first time to conduct passive housing technology research, It has cooperated with Phi to conduct technical consultation on ultra-low energy consumption buildings, and then entered the field of passive housing research and promotion. Now, it has become the only unit in China to carry out consultation, certification, training and other comprehensive cooperation with German Passive House Research Institute (PHI), and the only one with German Energy Agency (Dena) is the only unit that cooperates with the science and technology promotion center of the Ministry of housing and urban rural development to do the certification of passive housing in China.
It initiated the EPCC mode of passive housing (i.e. integrated services for the whole process of new buildings and existing buildings' passive houses transformation, including four links of design, procurement, construction and certification), completed the consulting and certification of more than 50 ultra-low energy consumption buildings in China, undertook the research on the key projects of the 13th five year plan, compiled the collaborative standards of Beijing, Tianjin and Hebei, and created the "four most" of passive houses To promote the development of China's passive housing with the responsibility of state-owned enterprises and technical strength.
Among the "four most", the most influential is the mountain news center of Yanqing competition area of Beijing 2022 Winter Olympic Games. As one of the main public buildings for the Winter Olympics, the project is designed as an ultra-low energy consumption building in response to the concept of green winter Olympics and low-carbon Winter Olympics. Due to the functional requirements, the project has a large space, which poses a higher challenge to the air tightness treatment of buildings. In the practical consultation, the characteristic design of Mountain News Center "the beauty of mountains and forests" also brings great difficulties to realize the construction of ultra-low energy consumption. The consulting team of the technology development center completed the ultra-low energy consumption technical scheme in a short period of time under the premise of not moving the facade effect. Finally, the Mountain News Center project successfully won the Beijing ultra-low energy consumption demonstration project, and it is a demonstration project of nearly zero energy consumption residential buildings under the national key R & D plan of the 13th five year plan.
In addition, the Tianjin Wuqing nature Plaza Hotel project, designed and constructed by the general housing group and certified by the technology development center, is currently the highest grade passive room in China, It is the first near zero energy consumption building project that has passed the highest level of premium pre certification by the German passive Housing Research Institute (PHI). There are also the highest passive house in Asia, No.28 building west of Longyuan West District, Huaxi, Taiyuan, with a height of 88.25 meters; the largest passive housing community in Beijing, shoukai Guoyue Tiansheng residence, with an area of 36000 square meters, is among the "most" of these And a project consulting and certification behind, is to constantly achieve new breakthroughs in technology.
Xiong'an urban and rural management service center is the first steel structure + fabricated + ultra-low energy consumption demonstration project implemented and supported by Beijing. The team of the technology development center has devoted a lot of efforts to successfully complete the air tightness construction of the facade. Before that, the project of steel structure, fabricated type and ultra-low energy consumption building had no successful experience of air tightness test in the world, and this research really filled the blank of this kind of technology.
In November 2020, the technology development center, in the name of Beijing building energy conservation research and development center, initiated the first passive housing design and construction competition in China. This competition, which is composed of offline practice, case defense and Industry Summit, has expanded the popularization and application of passive housing technology in the Chinese market, and promoted the industry design and construction to be standardized, Let the broad masses of the people really enjoy the building of energy-saving, comfortable housing, healthy housing desire to speed up the realization.

Zero carbon building: Interpretation of the original intention and mission of green development
At present, the development of energy-saving buildings has become a long-term national strategy, which is helping China to achieve the goal of carbon emission peak and high-quality development of construction industry as soon as possible. With the exploration and innovation of the green transformation and development of the construction industry of the general housing group, the technology development center has gradually established three key directions in the research of building energy conservation: external thermal insulation of external walls, urban renewal and comprehensive transformation of old residential areas, and ultra-low energy consumption buildings. At the 2021 science and technology seminar of the general housing group, Bao Yuqing, director of the technology development center, said that the next step would closely focus on the "14th five year" building energy conservation and carbon neutral goals.
Building 29, guangximen Beili, Chaoyang District, Beijing, the first ultra-low energy consumption and energy-saving renovation project of existing buildings in Beijing is a positive practice focusing on building energy conservation and carbon neutral goals.
"If we want to achieve the goal of zero carbon demonstration project, we can't do it without decades of hard technology accumulation of the center." Technology Development Center Party branch secretary Gong haiguang said. At the beginning of the transformation, he led a team to inspect more than 50 exhibition halls across the country and insisted on implementing the transformation with scientific and technological thinking. After the completion of the project, it will be the first zero carbon building in Beijing, which will also be the first real zero carbon building in China.
This demonstration project adopts 7 categories and nearly 20 new technologies and new material applications. No matter in terms of design concept, construction technology and material selection, the demonstration project has a unique "energy-saving" design and research in aspects of insulation, external windows, DC lighting, HVAC, fresh air, photovoltaic building integration, building energy consumption analysis, etc, After calculation, it can meet the requirements of zero carbon building. The technology development center has also customized and developed an intelligent control system for the building with an area of more than 1200 square meters, which can carry out indoor and outdoor environmental monitoring, energy consumption monitoring of hydropower and photovoltaic, intelligent control of electrical equipment and structural safety monitoring of intelligent security and building walls, etc., so as to realize the controllable and traceable operation and maintenance management, and achieve self-regulation of energy in the whole process of operation Fault self diagnosis and scheduling self optimization. The project will apply for phi, ultra-low energy consumption building and other international certification in the future.
In terms of use function, the project will integrate education and scientific research. The first floor is mainly used for reception, exhibition and education. Through immersive experience, multimedia display, product interaction and other forms, the project comprehensively introduces zero carbon building related technologies. The second floor is scientific research office room. It is not only a demonstration project in the technical field of the general housing group, but also plays a leading and exemplary role in the implementation of carbon neutral in Beijing in the future. It provides experience for the implementation of large-scale ultra-low energy consumption reconstruction of existing buildings in the whole city and even in the whole country. It has guiding significance for the formulation of ultra-low energy consumption transformation standards of existing buildings and the implementation of other projects in the future.

Three transformations: innovation and development led by science and technology in inheritance
"Science and technology is the first productive force, and innovation is the first driving force to lead development.". If enterprises want to develop, the pace of innovation will not stop. From 1992 to 2021, the technology development center continuously innovated in the fields of external thermal insulation technology, urban renewal, green building and ultra-low energy consumption building, and a number of research results filled in the blank of domestic building energy-saving technology. In the process of promoting the development of domestic building energy-saving technology, the technology development center has also realized three transformations from external insulation to passive housing, and then to comfortable housing. In 2012, Beijing building energy conservation research and development center was officially established to seek greater development.
"The technology development center has achieved today's achievements step by step, relying on its technological self-confidence. The center adheres to the leadership of Party building, innovates in inheritance, and never forgets the spirit of scientific research." According to Gong haiguang, there are 21 people in the technology development center, including 16 scientific research team members, including 2 professor level senior engineers and 5 senior engineers. More than 70% of them have a master's degree or above. Most of them have experienced and grown up in the technology development center and become high-end talents in the field of building energy conservation in China.
Qian Xuanqing, the first director of the technology development center, graduated from the building materials major of Tsinghua University. It was he who determined that the technology development center should take the road of building energy conservation and devote all his efforts to it. He is the pioneer of external wall thermal insulation technology; Bao Yuqing, the current director of the technology development center, is always at the forefront of building energy conservation, and won the "capital labor medal" in 2016; Zhou Ning, deputy director of the technology development center, is an expert in the field of ultra-low energy consumption buildings in China. He has taken the lead in the implementation of a number of important technical consulting and construction tasks for ultra-low energy consumption buildings. In addition, Wang Yafeng, the first certifier in China to obtain independent Phi certification qualification; Yang Ming, a young technical leader who is mainly engaged in ultra-low energy consumption construction after graduation, has been passed on from the three generations of the old, middle-aged and young people. The "aerospace spirit" of diligent exploration and innovation and the "Saihanba spirit" of being scientific, realistic and willing to contribute are reflected in the scientific research team of the technology development center. On the road of building energy conservation development, they always follow the call of national policies, take social responsibility, explore unremittingly with advanced ideas and concepts, play a leading role in technology, accumulate and form excellent strength for a long time, and support the scientific and technological progress in the field of building energy conservation in China, Beijing and even China. This is the scientific research team of the technology development center can fight a hard battle The secret of winning.
In addition to the construction and cultivation of its own scientific research team, the technology development center has carried out long-term school enterprise cooperation with the school of soil and water of Tsinghua University and the school of construction and engineering of Beijing University of technology, providing nearly 1500 off campus training for college students. We continued to carry out technical training in the industry, and organized more than 600 ultra-low energy consumption building engineers from the German Energy Agency; We have organized the training of nearly 200 passive house designers and consultants from the German passive Housing Research Institute to train more craftsman type scientific and technological talents for the general housing group and more high-end talents engaged in building energy conservation for the society.

Adhere to the general group in the development of domestic building energy-saving technology ballast, leading goose positioning is always unchanged; The goal of being the leader of China's zero carbon building and the pioneer of China's comfortable building remains unchanged; The mission of letting Chinese people live in the most comfortable, healthy, energy-saving and inheritable house remains unchanged... Since its establishment, the technology development center has always adhered to its original intention, is leading the continuous development of China's building energy conservation with advanced technology, and has implemented the solemn commitment of "3060" double carbon target with practical actions.

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