Abstract Recently, it was learned that the Henan Province Green Building Action Implementation Plan formulated by the Henan Provincial Development and Reform Commission and the Henan Provincial Department of Housing and Urban-Rural Development was approved by the Henan Provincial Government and officially released. In addition, Qinhuangdao City took the lead in the introduction of the "Green Building Management Measures" in Hebei Province, Hainan, Shaanxi and other places also...
Recently, it was learned that the “Henan Province Green Building Action Implementation Plan†formulated by the Henan Provincial Development and Reform Commission and the Henan Provincial Department of Housing and Urban-Rural Development was approved by the Henan Provincial Government and officially released. In addition, Qinhuangdao City took the lead in the "Green Building Management Measures" in Hebei Province, and Hainan, Shaanxi and other places have also or will soon introduce green building implementation plans. The continuous introduction of green building policies in various places has made enterprises in the field of green building materials firm their confidence in development.
Recently, the National Development and Reform Commission announced the completion of national energy conservation and emission reduction in the first half of this year. “The situation of energy conservation and emission reduction is still very serious.†The National Development and Reform Commission clearly stated that the work in the second half of the year is to focus on energy conservation in key areas and urge local governments to formulate green building action implementation plans. .
“The development of green buildings is inseparable from the support of green building materials. If there is no green building materials, green buildings are the rootless trees.†Liu Changfa, vice president of China Building Materials Federation and dean of China Building Materials Industry Planning and Research Institute, said. It is understood that China Building Materials Industry Planning and Research Institute has participated in the research of green building materials in the Green Building Action Plan jointly formulated by the State Council and the Ministry of Housing and Urban-Rural Development at the beginning of this year.
A person who specializes in LEED training for the US Green Building Assessment System has revealed that most of the US LEED certification scores are green building materials, green building materials companies are the biggest beneficiaries, and green buildings provide green building materials companies with development. space.
Indeed, the development of green buildings has led to the development of a large number of products and services related to energy conservation and environmental protection. Experts estimate that by 2020, the scale of the industry driven by China's green buildings will exceed 1 trillion yuan.
Enterprises scramble
Building materials companies in the industrial chain have naturally found this big business opportunity, but the path of dividing the "cake" is different.
Li Rongming, president of Guizhou Zhongyin Low Carbon Energy Saving Technology Development Co., Ltd., turned his attention to the research and development of new materials. Li Rongming's research team focuses on solar light-weight inorganic nano-energy storage thermostat functional materials (ie, "phase-change technology"), which can successfully store solar radiant heat energy.
It is understood that the energy-saving energy storage material stores the energy of the sunlight during the day. When the ambient temperature is lower than the temperature of the energy storage material, the heat is released in the reverse direction, and the heat is balanced, so that the cycle is repeated for the purpose of heat preservation.
Today, this lightweight inorganic energy storage insulation material has begun to be applied to construction projects. In the future, Li Rongming hopes to apply this material to demonstration projects in low-energy passive houses.
Some building materials companies start with reducing emissions from their own production links and upgrading their energy efficiency.
Zhang Yuxiang, Secretary General of China Building Materials Enterprise Management Association, has been paying attention to technological innovation in the building materials industry. According to his observation, many enterprises that produce traditional building materials such as cement, glass, ceramics and bricks have begun to pay attention to energy conservation and environmental protection from the production stage. In the field of new building materials directly used for interior decoration, it has begun to pay attention to the green energy conservation and environmental protection of the use of links. "Developing energy-saving and environmentally friendly products has become a key link for the survival of building materials companies in the future."
Zhang Yuxiang takes the large-scale wall decoration gypsum board as an example. Beixin Building Materials' new branch plants in Jiangsu and Yunnan are all producing new wall materials using desulfurization gypsum as power, which not only reduces the number of wall materials. Contamination, and the product is not much different in technical performance from pure natural gypsum.
Similar to this way of turning waste into treasure, many building materials companies even use construction waste, fly ash, industrial tailings scraps to develop new wall insulation materials, and continue to extend the industrial chain to develop microcrystalline foam ceramics. The production of foam ceramic products, as well as many forward-looking companies developed products have even reached the level of industrialization.
Interventional design changes subordination
Building materials companies are divided into green buildings. Although the market is huge, the subordinate status is still difficult to change.
“Building materials have always been in a passive position in the construction industry. The price of buildings and the arrears are always building materials enterprises. Housing prices are rising, but the prices of building materials are always up. In fact, the building materials industry’s own development has led to its construction industry chain. There is no dominance and discourse power." Liu Changfa’s words conveyed the sadness of building materials companies.
Liu Changfa has always stressed that building materials are not a single number, but a plural. In his view, a single material often only has a single or several functions, and it is often difficult to meet the various functional requirements of a building alone.
Jiang Min, deputy chief engineer of China Building Materials Inspection and Certification Group Co., Ltd., believes that architects and material producers are faced with confusion in the field of green building. “Architects don’t know enough about the performance of building materials, especially new materials. Faced with the goals of green building energy conservation, water conservation, and material saving, especially with the introduction of quantitative targets, architects are at a loss as to the choice of building materials. However, building materials producers are not well aware of the functional goals of green buildings, neglecting the demand for green buildings in selecting projects and product specifications, and the adaptability and compatibility of products and green buildings are poor."
Therefore, Liu Changfa proposed the concept of industrial design. “Relying on industrial design, the building is divided into several systems and further divided into parts and components, so that the architect’s design intent on the function, structure and shape of the building can be embodied in different parts and components. Come out to achieve the unity of the whole and the whole." Liu Changfa said.
Through the industrial design of the above-mentioned split and integration concept, building materials enterprises can form core competitiveness, gain the leading power in the industrial chain and form control. According to Liu Changfa, the architectural design can be divided into wall systems, door and window systems, basic frame systems and roofing systems.
It is understood that the domestic representative enterprise using the industrial design concept is Shenyang Yuanda Group. In less than 20 years, the company has grown from an aluminum alloy door and window installation company to the world's leading curtain wall company with annual sales of 20.2 billion yuan. The products are exported to more than 80 countries and regions. On the basis of the Grade A design and construction qualification of the building curtain wall, the wall and door and window system are disassembled into various parts. After the integrated design, the aluminum alloy profiles and glass are placed in the workshop for integrated deep processing. Into a variety of wall accessories, and then the construction team to the site to install.
Zhang Yuxiang believes that industrial design is a way out to solve the homogenization of building materials. He said that enterprises are facing homogenization problems in both the construction and building materials sectors, and the products do not have their own characteristics. Enterprises should have their own outstanding advantages in order to survive in the market competition, and forward-looking enterprises should have this awareness.
Liu Changfa also believes that the design and installation methods (including construction and installation tools, equipment, etc.) and maintenance and repair methods for green building materials are the easiest to form the characteristics of building materials enterprises. In the past, building materials companies only provided products, and the subsequent installation was a matter for construction companies. Now it seems that in the future development of green buildings, materials engineers should tell the construction engineer how the components and components of the system should be installed in order to take the initiative in the market.
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