Recently, in the list of green factories of national cement grinding enterprises in 2022, Xiangshan Conch Cement Co., Ltd. was awarded the title of "green factory" of national cement grinding enterprises.
Xiangshan Conch Cement Co., Ltd. adheres to the development concept of "enterprise prosperity, environmental protection first", takes technological innovation as the driving force, promotes industrial upgrading, replaces cement raw materials with general industrial solid wastes such as fly ash, slag, titanium gypsum, desulfurization gypsum, mining and mineral processing waste powder, and devotes itself to the comprehensive utilization of general industrial solid wastes. Let economic development and ecological protection blossom together.
In recent years, Xiangshan Conch Cement Co., Ltd. has been focusing on the development goal of building a local circular economy industry, always adhering to the green development strategy, and striving to build a green, coordinated, harmonious and environmentally friendly enterprise. Since the establishment of the "green factory" of the national grinding enterprise, the realization of green and low-carbon development has been regarded as an important focus of the sustainable development of the enterprise. In 2022, through the optimization of steel ball gradation, the change of the concept of roller press use, the transformation and adjustment of the wear-resistant parts of the mill and the transformation and optimization of the material conveying channel, the power consumption of the cement grinding process has been realized. And constantly refresh the best record in history, in 2023 for the first time into 22 kWh/t, compared with 2020, down about 5 kWh/t, according to the annual production of 4 million tons of cement, every 1 kilowatt-hour reduction of 0.272 kg of "carbon" calculation, is expected to reduce 5440000 kg of carbon emissions, in order to reduce the annual production of 4 million tons of cement. It is in the forefront of joint-stock companies and cement industries of the same type, and will continue to strive for the benchmark of cement grinding enterprises. In terms of environmental protection emission, in recent years, the company has invested nearly 10 million yuan to implement the transformation of ultra-low emission of dust collectors, packaging dust collection and wharf unloading dust collection, and the concentration of organized emission has been reduced from 20 mg/ m3 to less than 10 mg/m3 . Photovoltaic projects with an investment of more than 8 million yuan in 2022 have also been completed and put into operation, with an average annual power generation of about 1.3 million degrees and an average annual carbon dioxide emission reduction of about 1104 tons. At the same time, the feeding system and the mixing ratio of various admixtures have been continuously adjusted and optimized, and the absorption and absorption of industrial solid waste in the target mountain and its surrounding areas have also broken through from less than 500000 tons to 800000 tons at present, and the mixing amount of industrial solid waste per ton of cement is nearly 250 kg, thus truly turning waste into treasure.
Party building and production and operation are integrated to strive for first-class, production process control to create first-class, product quality to do first-class, with infrastructure, system implementation, process management as the key grasp, through the source management of production workshop, standardized workshop construction, to achieve dust-free, clean production workshop. Continuous optimization and improvement shall be carried out to strive for the benchmark of clean production in the industry; the automatic spraying system and washing device for logistics vehicles shall be established, and the totally enclosed transformation of raw material stacking shed and belt conveyor corridor and the transformation of automatic bag-inserting machine for packaging shall be implemented. The source control shall be emphasized to minimize the unorganized emission and achieve the ultra-low emission requirements. Through the construction and acceptance of the electricity monitoring system for environmental protection equipment and facilities, it will accept the real-time supervision of the workers and the society, make the environmental protection management transparent and open, and build an environmentally friendly, green and harmonious benchmarking enterprise. In order to improve the comprehensive utilization rate of resources
, Xiangshan Conch keeps up with the pace of the reform era, continuously improves the efficiency of energy utilization, and actively responds to the government's call. It has successively carried out the transformation of the control system of the feeding device of the roller press, the semi-automatic transformation project of the ship unloader, the frequency conversion transformation project of the tail exhaust fan motor, the technical transformation project of the bulk automatic ship loader, the transformation of the video surveillance system, and the transformation of the packaging automatic bag inserting machine, so as to improve the green production level from the comprehensive utilization of resources. The company has carried out the first batch of resource energy-saving projects in Zhejiang Province, water-saving enterprises in Zhejiang Province and other green enterprise creation activities, and the energy consumption of enterprises is far below the national and industrial standards. It has successively obtained the first-class enterprise of safety production standardization and the green enterprise of Zhejiang Province. Water-saving enterprises in Zhejiang Province, demonstration units of energy measurement in industrial enterprises in Zhejiang Province, civilized wharfs in Zhejiang Province, the first batch of voluntary commitment units for energy conservation in Zhejiang Province, the winning units of the "Ankang Cup" competition in Zhejiang Province, the "Grand Prize" for the 17th National Cement Chemical Analysis Comparison, the excellent units for the inspection of cement quality indicators in Zhejiang Province, the advanced collectives in Ningbo City, and the May 1 Labor Award in Ningbo City. There are more than 80 honorary titles in countries, provinces, cities, industries and regions, such as Ningbo Advanced Unit of Energy-saving Work, Ningbo Advanced Unit of Landscape Greening, Ningbo Wasteless Factory, etc.
In order to further promote the green, digital and intelligent development of the cement industry, China Cement Network will be launched on April 24-25, 2023. The " China Cement Industry Green Development Summit Forum and Ultra-clean Emission Technology Exchange Conference " and the " Fourth China Cement Intelligent Summit Forum " were held in Changsha, Hunan Province, inviting industry experts, cement and related enterprises. Jointly promote the high-quality development of the cement industry!
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