Gardens, green plants, colorful; birdsong, waterfalls, forest and spring rhyme. On March 22, walking into Henan Jinrong Cement Co., Ltd., located in Zhangmao Township, Shaanzhou District, the beautiful scenery of red flowers and green willows in spring is intoxicating.
"We must take off the hat of" high pollution and high energy consumption "and go into battle lightly with low carbon transformation." Ren Xiangcun, the head of the company, introduced that through continuous exploration and practice, the company has taken a green and low-carbon development path, which not only achieves the goal of energy saving and emission reduction, improving the ecological environment, but also achieves the goal of reducing production costs, increasing enterprise efficiency and improving comprehensive competitiveness.
In recent years, the company has mainly carried out technical transformation projects around the existing clinker production line, which integrates energy saving, carbon reduction and efficiency enhancement. After the project is put into use, 8905 tons of coal and 946 kilowatt-hours of electricity can be saved annually, which is equivalent to 7524 tons of standard coal and 18810 tons of carbon dioxide emission reduction, thus achieving both economic and social benefits.
In addition, the company also invested 90 million yuan to complete the "clinker line environmental protection deep treatment technology transformation project", through the transformation to meet the Henan Province ultra-low emission A-level enterprise standards, while reducing nitrogen oxide emissions, the cost per ton of clinker will be reduced by 2.4 yuan, saving 10 million yuan a year; Jointly invest 85 million yuan with Beijing Zhongdan Energy Conservation and Environmental Protection Technology Co., Ltd. to implement the green development project of solid waste co-disposal in cement kilns, which can dispose 130,000 tons of solid waste and hazardous waste in Sanmenxia and its surrounding areas every year, with an operating income of 120 million yuan and a profit of 10 million yuan; invest 130 million yuan to build a 7 km Yunshan belt corridor; Invest 120 million yuan to build "Yunshan Aggregate Sand Production Line", which not only guarantees the production demand of limestone for cement, but also achieves the goal of effective utilization of mine resources.
In order to carry out benchmarking promotion extensively and realize the double promotion of production cost and management level, the company actively went out to study and strived to approach and keep up with the advanced model.
In terms of enterprise management, the company learns from the "management framework" of Henan Mengdian Group Cement Co., Ltd. and Tai'an Zhonglian Cement Co., Ltd. to continuously strengthen the horizontal and vertical links between departments, reduce the intermediate levels, and ultimately reduce the number of managers by 10%. In the aspect of mine management, Jiaozuo Qianye Cement Co., Ltd. has changed the vehicles and loaders used in mine transportation from oil to electricity, which greatly reduces transportation costs and pollution. In terms of equipment management, Luoyang Zhonglian Cement Co., Ltd. has increased on-line detection instruments, reduced patrol personnel and reduced equipment failure rate. In terms of intelligent factories, enterprises such as Biaoquanjiao Conch Cement Co., Ltd. have realized accurate analysis of power consumption and coal consumption in main processes and at different times, reduced the number of employees in the production line by 15%, and reduced the production cost of clinker and cement by 2 yuan/ton.
"In order to promote both technological research and development and production technology, we have steadfastly promoted school-enterprise cooperation.". The company and Xi'an University of Architecture and Technology have established a research and development platform to jointly optimize the sand production line, increase the fine sand recovery system, improve the efficiency of fine sand recovery, and increase the daily output of sand by 150 tons. Ren Xiangcun said that through cooperation with Shandong Architectural Design and Research Institute, the company used efficient grinding AIDS in cement production, reduced the clinker ratio in cement by 5%, improved the quality of cement, and reduced carbon emissions by 170,000 tons per year. Through cooperation with Wuhan University of Technology, the company carried out thermal calibration on the clinker production line, which provided accurate basic data for the technical transformation of the clinker line. The company has been awarded as one of the "Top Ten Key Cement Enterprises in Henan Province", a new dry-process cement production enterprise promoted by the state and a leading enterprise in comprehensive utilization of resources and circular economy, and has won the honorary titles of the national "ultra-low emission standard for environmental protection" enterprise, the top 100 building materials enterprises in China and the top 100 clinker production capacity in China.
"In 2023, we will continue to reduce production costs by developing new products for the treatment of aluminium ash in clinker production lines." Ren Xiangcun said that the company will also use carbide slag and steel slag discharged by enterprises in the city instead of limestone, and use carbon black from tire processing instead of coal powder, constantly looking for alternative raw materials and fuels, and make every effort to carry out the green low-carbon transformation to the end.
In order to further promote the digital and intelligent development of cement industry, help cement enterprises master intelligent technology, accelerate the integration of industry and advanced information technology, and realize the "butterfly change" of the 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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