2025, Jiangsu Yicheng Southern Cement Co., Ltd. (Hereinafter referred to as "Yicheng Southern Cement") officially released the information of ultra-low emission assessment and monitoring, which marked the smooth development and successful completion of the assessment of ultra-low emission transformation of Yicheng Southern Cement. It has become the second cement plant in China to pass the acceptance of ultra-low emission.
Yicheng Southern Cement is a specialized cement subsidiary of Southern Cement of China Building Material Group. At present, the enterprise has a new dry rotary kiln cement clinker production line with a design scale of 2.1 million t/a and a cement grinding production line with a capacity of 3 million t/a. It has one Φ5.4 × 78m rotary kiln, two Φ4.2 × 14.5m cement mills and other major equipment.
Yicheng Southern Cement, as a pilot enterprise of ultra-low cement transformation of China Building Materials Group, has been actively implementing the policy requirements of ultra-low emission transformation, taking green, low-carbon and high-quality development as the basic line of enterprise development, and entrusting the Chinese Academy of Environmental Sciences, China Environmental Monitoring Station and other units to carry out guidance and evaluation of ultra-low emission transformation. Adhering to the principle of "true attention of leaders, true investment of funds, true implementation of projects and true improvement of management", the
enterprise has carried out ultra-low emission transformation. Since 2023, many treatment projects have been implemented, such as closed transformation of material shed, closed transformation of belt corridor, upgrading of dust removal facilities, spraying dust suppression transformation, transformation of environmental control platform of the whole plant, upgrading of car washing platform and access control system, and installation of high-definition video surveillance. The Department of Atmospheric Environment of the Ministry of Ecology and Environment, the departments of ecological environment of provinces, cities and counties, and experts in the industry conducted on-site investigation and guidance on the implementation of ultra-low emission transformation of southern cement in Yicheng, and put forward valuable opinions on the work of ultra-low emission transformation. Through the joint efforts of many parties, the assessment of ultra-low emissions has been carried out smoothly and successfully completed.
In terms of organized emission control, the manual monitoring data, on-line monitoring data, self-monitoring data, monitoring points of discharge outlets and ammonia consumption of Yicheng Southern Cement all meet the requirements of the Opinions; DCS operation data collects relevant production facilities, treatment facilities and pollutant discharge data according to the requirements of the Opinions, and the system runs stably, the production facilities and treatment facilities run well synchronously, and the operation logic conforms to objective facts.
In terms of unorganized emission control, Yicheng Southern Cement has established a complete list of unorganized emission sources. All control measures such as material storage, material transportation, production process, video surveillance, car washing and road cleaning meet the requirements of the Opinions, and the production facilities and treatment facilities operate well synchronously. There is no visible dust escaping from the raw material and fuel, product storage point and feeding point, raw material preparation area, pulverized coal preparation area, clinker burning area, cement preparation area and finished product delivery area; there is no obvious odor in the ammonia storage tank area; the plant area is clean and tidy without dust accumulation. In terms of
clean transportation, the proportion of clean transportation of raw materials and fuels in and out of enterprises, the emission stage of transport vehicles, the emission stage of product transport vehicles, in-plant transport vehicles, off-road mobile machinery and transportation management all meet the requirements of the Opinions.
In terms of the environmental management and control platform and account records of the whole plant, the production facilities, treatment facilities and monitoring and control signals corresponding to organized and unorganized emissions are connected to the environmental management and control platform of the whole plant, and the operation logic conforms to the objective facts, which can realize real-time display and retrospective history. At the same time, it has the closed-loop management function of alarm, disposal and feedback of abnormal operation parameters and monitoring data of treatment facilities; the account management is standardized, the preservation is complete, and the preservation has the ability of five years or more, which meets the requirements of the Opinions and Guidelines.
Yicheng Southern Cement successfully passed the evaluation of ultra-low emission transformation, providing a sample of ultra-low emission transformation for the cement industry, promoting more cement enterprises to align with the "ultra-low emission" standard, and helping the cement industry to move to a higher level of green manufacturing.
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