Daye Jianfeng Cement Co., Ltd. Kiln End Flue Gas Desulfurization Project Completion Environmental Protection Acceptance Publicity
Release time:
2020-07-31
Daye Jianfeng Cement Co., Ltd. Kiln End Flue Gas Desulfurization Project
Completion Environmental Protection Acceptance Publicity
According to the requirements of Interim Measures for Environmental Protection Acceptance of Construction Project Completion (National Environmental Planning and Environmental Assessment [2017] No. 4 ) of the Ministry of Environmental Protection,
The environmental protection acceptance information of "Kiln End Flue Gas Desulfurization Project" of daye Jianfeng Cement Co., Ltd. is now publicized. Basic Information of
1. Project
Project Name: Kiln End Flue Gas Desulfurization Project
Project Construction Unit: Daye Jianfeng Cement Co., Ltd.
Project Construction Location: Yongguang Village, Baoan Town, daye city, nature of
Project in the existing factory area of daye Jianfeng Cement Co., Ltd: the construction content of the technical renovation
project is as follows:
This technical renovation project is mainly to build a wet desulfurization system for the kiln tail flue gas of the company's existing daily production 4000t cement clinker production line, adopting limestone - gypsum wet flue gas desulfurization process. The project covers a total area of 500m 2 , with a new construction area of about 450 m 2 . It mainly builds desulfurization complex building, flue gas system, SO 2 absorption system, limestone powder conveying and limestone slurry preparation system, process water system, gypsum dehydration system and supporting pipelines, etc. Power supply, water supply, compressed air and other public works rely on the existing plant.
Project Total Investment and Environmental Protection Investment: The total investment of the project is 1037 Yuan , all of which are environmental protection investment. The
project was commissioned by Huangshi Changjiang Environmental Engineering Design Institute to conduct an environmental impact assessment on 2017 9 . On 2017 11 16 , daye city Environmental Protection Bureau approved the document No.78 [2017]354 .
Implementation of 2. Environmental Protection Measures
The scope of this acceptance is Kiln End Flue Gas Desulfurization System and Supporting Facilities .
(1) Exhaust Gas Pollution Prevention Measures
Project Organized Exhaust Gas Emission Main Pollutants are SO 2 ; The main pollutant of unorganized exhaust gas emission is dust. In the
slurry preparation system, the processes of transportation, feeding, ash separation and silo are fully enclosed, and the pulping process is equipped with ash and dehumidification devices. The SO 2 in the waste gas of the rotary kiln is treated by limestone - gypsum method and discharged from the 110m high chimney at high altitude; the emission concentration of SO 2 and unorganized dust can meet the emission limit requirements of (GB4915-2013 ) "Comprehensive Emission Standard for Air Pollutants in Cement Industry.
(2) Water Environment Pollution Prevention and Control Measures
Project Drainage is divided into rain and sewage, and rainwater ditches (cement hardening) are set up. Rainwater at the project site enters the existing rainwater system in the plant area. Drainage ditches and water collecting tanks are built, equipped with cyclone machines and filtrate collection tanks. The wastewater is collected by the water collecting tanks and recycled for production without external discharge; A 570m 3 accident slurry tank has been built. The slurry discharged from the absorption tower during the accident will be collected in the accident slurry tank and recycled to the absorption tower without being discharged outside, thus having little impact on the outside world.
(3) noise prevention measures
project noise mainly comes from production equipment such as fans and water pumps, equipment is low noise equipment; The fans and pumps are all placed in closed compartments, and measures such as vibration reduction, noise elimination and distance attenuation are taken.
(4) Solid Waste Pollution Prevention Measures
The solid wastes discharged during the operation period of the project are mainly domestic garbage and desulfurization gypsum. A standardized temporary storage room for solid waste is built on the first floor of the desulfurization station. The dehydrated gypsum is collected by the temporary storage room and regularly transported to the gypsum storage yard in the plant area. As raw material, it enters the cement mill and is not discharged. Domestic waste is uniformly removed and transported by the local environmental protection department for centralized treatment.
3. Acceptance Survey Results
(I) Construction Period
During the construction period, various environmental protection measures were implemented with little impact on the surrounding environment.
(II) operation period
1 , acceptance monitoring condition
acceptance monitoring period (2019 3 July 21-22 ; 2019 172 5 March 27-28 ), the project is operating normally, design and production of cement 4000t/d ; The actual 3 September 21-22 day, 5 March 27-28 day production load all reached above 82% of , the completion acceptance monitoring condition was greater than 75% of , and the monitoring data were valid.
and Waste Gas
3 monitoring points were set up at the factory boundary to monitor the unorganized particulate matter emitted by the project for two days. The maximum concentration of unorganized particulate matter emitted from the factory boundary is lower than 0.5 mg/m 3 , does not exceed the unorganized emission limit of in table of "cement industry comprehensive emission standard for air pollutants " (GB 4915-2013 ).
During this acceptance monitoring period, SO 219 in the inlet and outlet exhaust gas of the desulfurization tower at the end of the rotary kiln was monitored. The monitoring results show that the average desulfurization efficiency of the desulfurization tower at the end of the rotary kiln reaches above 91% in the desulfurization 223. in the exhaust gas at the outlet of the exhaust pipe
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Chairman Jiang Xiaomeng Directs Work in Yunnan Peak
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2020
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Editor's note: On November 20, the first page of "Jinhua Daily" published "Focus on sticking to the peak forever-Enlightenment of Jianfeng Group's 60 years of entrepreneurship" written by the reporter of the newspaper, which was specially reprinted by this newspaper. Focus on sticking to the peak forever-Jianfeng Group's 60 years of entrepreneurship enlightenment "Jinhua Daily" reporter Shao Xuilian as of the end of the third quarter of this year, the total assets of 4.788 billion yuan, net assets of 3.366 billion yuan, the realization of the parent company's net profit of 0.488 billion yuan, earnings per share of 1.42 yuan. Recently, Jianfeng Group disclosed its beautiful report for the third quarter of 2018, celebrating its 60th anniversary with the best operating results in history. Wind and rain for 60 years. With sustained and steady high-quality development, the peak people are moving towards a comprehensive modern enterprise group with strong core competitiveness. Strategy: Focus and Professionalism In 1958, the first generation of peak people built the first cement factory in Jinhua history at the foot of peak mountain. Beginning in 1983, through horizontal alliances with township enterprises, the formation of enterprise groups, and the implementation of shareholding reforms, Jianfeng has developed from a small state-owned cement plant to the first listed company in China's cement industry. Since then, in the stage of diversification, the peak will develop the pharmaceutical industry into the second pillar industry. In 2007, it joined forces with the central enterprise China Building Materials to participate in the establishment of Southern Cement and strategically shifted the focus of the cement industry; at the same time, through corporate mergers and acquisitions and technological innovation, the pharmaceutical industry has further exerted its strength. Today, Jianfeng Group has 33 participating and holding subsidiaries, involving building materials, medicine, big health, modern logistics, national.
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News from our newspaper On the occasion of the celebration of the 60th anniversary of Jianfeng's entrepreneurship, the selection results of the two competitions of "Me and Jianfeng" essay and employee calligraphy and painting photography exhibition are also fresh. Since July 2017, more than 50 contributions have been received from employees and their families. According to the overall situation of the content and writing level of the solicitation, 3 first prize works, 5 second prize works and 7 third prize works were selected. The staff calligraphy and painting photography exhibition began to call for contributions in early April. in just five months, it received more than 100 works from dozens of authors from various enterprises under the group, and successfully held the exhibition from October 10 to 17, which was welcomed and praised by the majority of employees. After a comprehensive selection of employee contributions, a total of 3 first-class works, 5 second-class works, and 7 third-class works were selected. In order to ensure the fairness and impartiality of the selection, the works of the leading group, working group members and specially invited works to commemorate the 60th anniversary of Jianfeng Entrepreneurship will not participate in the selection of the grade award. (The list of winners is attached) (This reporter) "I and the peak" essay list first prize "mother and son deep love" author: Daye peak Shi Fu "I have a date with the peak" author: Yunnan peak Luo Meiyan "buying a house" author: peak cable Lu Chaofang second prize "ten years, sixty years" author: pharmaceutical sales company Xu Yuting "my peak road" author: daye Peak Yang Zhendong's "My Teacher" Author: Fan Tufa, Municipal Pharmaceutical Company, "Peak Grows with Me for 20 Years" Author: Xu Junxiong, Pharmaceutical Sales Company, "Peak Grows with Me"
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