hear the roar of the machine, can not see the dust all over the sky, can not smell the pungent odor, located in Gulin Town, Haishu District, Ningbo City, Zhejiang Province, a concrete ready-mix plant, showing a new image different from the traditional ready-mix plant.
Recently, the ready-mix plant, which belongs to the western construction of China Construction, has successfully obtained the three-star certification of "zero carbon plant", which means that through the implementation of a series of emission reduction measures, the plant has offset more than 50% of the remaining greenhouse gas emissions in a certain period of time under the dual accounting scope of direct and indirect emissions. This is the eighth "zero carbon plant" awarded by China Construction Western Construction, which also provides a new direction for the green upgrading of the industry.
At the same time, green low-carbon is also the demand of the market and the public. In 2025, the state first wrote "good house" into the Report on the Work of the Government, clearly listed "green, low carbon" as the core feature of "good house", and the new edition of "Housing Project Code" formally implemented in May also clearly regarded green as one of the four core objectives. "Good house" can not be separated from "good materials", green, low-carbon, high-performance building materials are an important basis for achieving the goal of "good house".
solve the problem is to develop green and low-carbon products, so that building materials can be "green" on the supply side. On October 26,
2021, the State Council issued the Action Plan for Carbon Peak before 2030, which clearly put forward the idea of "strengthening the R & D and application of low-carbon building materials such as new cementitious materials and low-carbon concrete", and on August 4, 2023, the National Development and Reform Commission and other ten departments jointly issued the Implementation Plan of Green Low-Carbon Advanced Technology Demonstration Project. It is further clearly proposed to carry out "R & D, production and demonstration application of new low-carbon and zero-carbon building materials such as new cementitious materials, low-carbon concrete and advanced bio-based building materials" in the construction field. The
western construction of China Construction focuses on cement, a key raw material for carbon reduction, and explores the application of high-value and large-dosage alternative cement for multi-component solid waste materials, so as to upgrade products. At present, this kind of solid waste-based low-carbon concrete products have been applied on a large scale. Compared with ordinary products in the industry, its carbon emissions can be reduced by 20% -30% on the basis of 100% performance standards.
On this basis, China Construction Western Construction has further developed ultra-low carbon concrete and near-zero carbon concrete products.
China Construction Western Construction has also developed modular mobile disposal process equipment and multi-scenario-oriented fully recycled concrete products, forming an industrial production hub and typical application for the co-disposal of demolition waste by ready-mix plants to prepare high-quality recycled products. Every 100 cubic meters of concrete can absorb more than 30 tons of construction waste and solid waste.
In view of the reuse of engineering dregs, China Construction West Construction has improved soil properties, increased compactness, water stability and strength through solidification technology, and further applied performance control technology in construction, which has been successfully applied in many places.
In view of the large amount of industrial solid waste lithium slag produced in the new energy industry, the western construction of China has innovatively formed the method of composition design and performance control of lithium slag multi-solid waste system, developed special admixtures, solved the application problems of long setting time and low early strength of lithium slag multi-solid waste system, and developed lithium slag concrete. At present, it has achieved a certain scale of engineering application. After achieving green and low-carbon
products, another key link to solve the problem is low-carbon in the production process.
"Zero carbon plant" is the result of promoting low carbon or even zero carbon in the production process. China Construction Western Construction has developed the key technology research and development and demonstration of the industry's first ready-mixed concrete zero carbon plant, and is constantly moving towards zero primary resources, zero waste emissions and zero fossil energy plants.
"Use photovoltaics to generate electricity, develop and apply distributed energy storage projects, widely build charging piles in plants and stations, and comprehensively promote the use of new energy vehicles." Zhang Haiyun, deputy general manager of the Western Construction and Operation Center of China Construction, said, "With the goal of energy saving and carbon reduction, we have explored and gradually established a new energy operation and maintenance system of" light, storage, charging and transportation "in the ready-mixed plant."
Intelligence is a necessary means to promote green production.
At present, China Construction Western Construction has independently developed more than 20 automation equipment and systems to realize unattended raw materials entering the factory, increase the production efficiency of concrete by 33%, reduce the comprehensive labor intensity of employees by 60%, and greatly improve the production efficiency, product qualification rate, per capita efficiency and digitization of ready-mixed concrete. The value of
promoting green and low-carbon building materials industry is far more than emission reduction figures, and it is reshaping the building ecology. When every cubic meter of concrete transforms from "carbon source" to "carbon sink", and when industrial waste is transformed into urban texture, the "green gene" of architecture will reconstruct the ecological logic of construction activities. Under the new situation, under the era proposition of "double carbon" goal, a green revolution about building materials is gradually moving from technical concept to industrial practice, and becoming the core engine of building green transformation.
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