Summary of environmental protection work of private aluminum smelting enterprises
I. Company Profile
Founded on September 28th, XX, the company is a private enterprise specializing in aluminum smelting, with 750 employees. The 230KA large-scale prebaked aluminum electrolysis project is one of the key construction projects of the province. The design work of the xx branch of the xx aluminum-magnesium design institute is designed to design an annual production capacity of 140,000 tons of aluminum ingots. After the project is put into production, the annual sales income can reach 2 billion yuan. 250 million yuan, the project has a total investment of 850 million yuan, which will be built in two phases. The current scale is the first phase of 70,000 tons. On February 28 and July 8, XX, two batches were successfully put into operation, a total of 108 troughs. The total investment is 450 million yuan, and the annual electricity consumption is 1 billion KWh. It is put into production at the end of XX, and the total output of aluminum ingots is 937,576.637 tons. In the first quarter of this year, the total output of aluminum ingots was 15,876.362 tons.
Second, the process characteristics
The company SY230 prebaked anode electrolyzer, which integrates various advanced technologies and achievements at home and abroad, adopts fully enclosed automatic material conveying system, high energy efficiency automatic monitoring flue gas purification and recovery system, adopts intelligent fuzzy control system, the whole process Auxiliary management of aluminum electrolysis production, as well as a smooth supply and delivery system with a high degree of electrical automation and advanced spectral analysis quality monitoring facilities, such as compact process, high degree of automation, in the same industry in the country, the entire production process, belongs to electrolysis Clean production process in the aluminum industry.
Third, on environmental governance
For the electrolytic aluminum industry, environmental compliance is a very important basic condition. Since XX years, the state has introduced many measures to implement environmental protection policies, and closed many environmentally unsatisfactory enterprises. Therefore, the xx aluminum industry established in this environment is environmentally friendly. The importance of work is self-evident. The company's leaders conscientiously implement the relevant national industry policies and systems. From the long-term interests, they look at the problems from a development perspective. Whether it is during the construction period or the current production period, we must not forget to do a good job. Environmental protection work, to achieve high starting point, high requirements, specifically to do the following:
1, high standard design, lay the technical foundation
The environmental impact of the production of electrolytic aluminum enterprises is mainly air. Fluoride is the main characteristic pollutant of emissions, and the other is dust. In order to achieve the standard construction, our company first proposed to the design unit that it must meet the requirements of the national policy. After screening again, the national-level design unit-xx aluminum-magnesium design institute xx branch was selected, and the group selected more than 20 large and medium-sized aluminum plants in the country for selection and selection, and finally selected SY230 series tank;
2. Highlight governance and focus on technical standards
Since the company was put into production, it has paid great attention to the environmental protection standards, strictly in accordance with the "Environmental Air Quality Standards", "Urban Regional Environmental Noise Standards", "Industrial Enterprise Boundary Noise Standards", "Surface Water Environmental Quality Standards", "Integrated Emissions of Air Pollutants" The Standards and the Boiler Air Pollutant Emission Standards and other national standards are supervised and perfected, and the external supervision and internal management are truly implemented, and the potential of the company's installed electrolytic flue gas recovery and purification system is fully utilized, classified and managed, and strictly meets the standards:
First, increase investment to ensure that environmentally-friendly hardware meets the standards. The company has a total investment of 450 million yuan in the first phase of 70,000 tons, and a total investment of about 50 million yuan in environmental protection. It has two sets of purification and recovery systems, a fully enclosed material supply system, and the use of bag filter and wenqiu. The principle of recycling and purifying in the dry process, centralized treatment of all flue gases in the electrolyzer, and discharge to the standard;
Second, the classification is up to standard and comprehensive management. The pollution of electrolytic aluminum is nothing more than gas, dust, fluorine and slag. For the above-mentioned pollution sources, the company has classified and dismantled gas, solid and slag through technical treatment. The effective substances are retained and utilized, the harmless gas is discharged to the standard, and the solid materials are used repeatedly or as raw materials of other industries. Not only the treatment but also comprehensive utilization, turning waste into treasure, creating benefits for the enterprise and reducing losses;
Once again, ensure that environmental protection facilities are 100% operational. Recognizing the importance of environmental protection, we also tasted that the comprehensive management is the sweetness of turning waste into treasure. All the company's environmental protection equipment ensures 100% operation in 24 hours, laying a scientific foundation for creating a beautiful and clean environment. At the same time, the company has set up a purification and recycling workshop, and also established the Anhua Branch to ensure that the company's environmental protection atmosphere is managed, supervised, executed, and long-term benign operation. In addition, the company also actively invited the county and city environmental protection departments to guide and strengthen monitoring, timely rectification and improvement, and ultimately meet industry standards.
3. Greening the enterprise environment, optimizing management indicators
In order to further strengthen the workers' awareness of environmental protection, the company organized employees to carry out voluntary greening activities. The company spent more than 500,000 yuan on the greening of more than 90% of the first phase of the plant area, and carried out greening according to the plan, and divided the responsibility area into the company. The door gives people the feeling of a real garden-style factory, the company is thriving, and all the indicators have entered the advanced level of the industry:
1. The quality of HJ brand aluminum ingot for remelting meets the national standard and declares the provincial famous products;
2. Electrolytic primary aluminum AC power consumption below 14000kwh/t-AL reaches the domestic advanced level;
3. The fluoride emission concentration is 1.9mg/nm3, the dust emission concentration is 8mg/nm3, and the dust removal efficiency is over 99%. These indicators have achieved leading levels in the same industry;
4, the implementation of fully enclosed circulating water, basically no industrial water discharge;
5. The enterprise and the surrounding areas have truly achieved mutual supervision, jointly managed and shared environmental advantages.
Fourth, long-term unremitting efforts to create tomorrow's environmental protection enterprises
With the development of enterprises and the progress of society, environmental protection has reached a consensus and requirements. Our company has also planned future environmental development plans. We will summarize past achievements, learn from external successful experiences, and constantly improve the environmental image of enterprises. Actively resound the national policy, cooperate with the environmental protection departments at all levels to intensify efforts, seek truth from facts, do a good job in the economic development of enterprises, do a good job in environmental protection, and make unremitting efforts to create tomorrow's environmental protection enterprises.
Founded on September 28th, XX, the company is a private enterprise specializing in aluminum smelting, with 750 employees. The 230KA large-scale prebaked aluminum electrolysis project is one of the key construction projects of the province. The design work of the xx branch of the xx aluminum-magnesium design institute is designed to design an annual production capacity of 140,000 tons of aluminum ingots. After the project is put into production, the annual sales income can reach 2 billion yuan. 250 million yuan, the project has a total investment of 850 million yuan, which will be built in two phases. The current scale is the first phase of 70,000 tons. On February 28 and July 8, XX, two batches were successfully put into operation, a total of 108 troughs. The total investment is 450 million yuan, and the annual electricity consumption is 1 billion KWh. It is put into production at the end of XX, and the total output of aluminum ingots is 937,576.637 tons. In the first quarter of this year, the total output of aluminum ingots was 15,876.362 tons.
Second, the process characteristics
The company SY230 prebaked anode electrolyzer, which integrates various advanced technologies and achievements at home and abroad, adopts fully enclosed automatic material conveying system, high energy efficiency automatic monitoring flue gas purification and recovery system, adopts intelligent fuzzy control system, the whole process Auxiliary management of aluminum electrolysis production, as well as a smooth supply and delivery system with a high degree of electrical automation and advanced spectral analysis quality monitoring facilities, such as compact process, high degree of automation, in the same industry in the country, the entire production process, belongs to electrolysis Clean production process in the aluminum industry.
Third, on environmental governance
For the electrolytic aluminum industry, environmental compliance is a very important basic condition. Since XX years, the state has introduced many measures to implement environmental protection policies, and closed many environmentally unsatisfactory enterprises. Therefore, the xx aluminum industry established in this environment is environmentally friendly. The importance of work is self-evident. The company's leaders conscientiously implement the relevant national industry policies and systems. From the long-term interests, they look at the problems from a development perspective. Whether it is during the construction period or the current production period, we must not forget to do a good job. Environmental protection work, to achieve high starting point, high requirements, specifically to do the following:
1, high standard design, lay the technical foundation
The environmental impact of the production of electrolytic aluminum enterprises is mainly air. Fluoride is the main characteristic pollutant of emissions, and the other is dust. In order to achieve the standard construction, our company first proposed to the design unit that it must meet the requirements of the national policy. After screening again, the national-level design unit-xx aluminum-magnesium design institute xx branch was selected, and the group selected more than 20 large and medium-sized aluminum plants in the country for selection and selection, and finally selected SY230 series tank;
2. Highlight governance and focus on technical standards
Since the company was put into production, it has paid great attention to the environmental protection standards, strictly in accordance with the "Environmental Air Quality Standards", "Urban Regional Environmental Noise Standards", "Industrial Enterprise Boundary Noise Standards", "Surface Water Environmental Quality Standards", "Integrated Emissions of Air Pollutants" The Standards and the Boiler Air Pollutant Emission Standards and other national standards are supervised and perfected, and the external supervision and internal management are truly implemented, and the potential of the company's installed electrolytic flue gas recovery and purification system is fully utilized, classified and managed, and strictly meets the standards:
First, increase investment to ensure that environmentally-friendly hardware meets the standards. The company has a total investment of 450 million yuan in the first phase of 70,000 tons, and a total investment of about 50 million yuan in environmental protection. It has two sets of purification and recovery systems, a fully enclosed material supply system, and the use of bag filter and wenqiu. The principle of recycling and purifying in the dry process, centralized treatment of all flue gases in the electrolyzer, and discharge to the standard;
Second, the classification is up to standard and comprehensive management. The pollution of electrolytic aluminum is nothing more than gas, dust, fluorine and slag. For the above-mentioned pollution sources, the company has classified and dismantled gas, solid and slag through technical treatment. The effective substances are retained and utilized, the harmless gas is discharged to the standard, and the solid materials are used repeatedly or as raw materials of other industries. Not only the treatment but also comprehensive utilization, turning waste into treasure, creating benefits for the enterprise and reducing losses;
Once again, ensure that environmental protection facilities are 100% operational. Recognizing the importance of environmental protection, we also tasted that the comprehensive management is the sweetness of turning waste into treasure. All the company's environmental protection equipment ensures 100% operation in 24 hours, laying a scientific foundation for creating a beautiful and clean environment. At the same time, the company has set up a purification and recycling workshop, and also established the Anhua Branch to ensure that the company's environmental protection atmosphere is managed, supervised, executed, and long-term benign operation. In addition, the company also actively invited the county and city environmental protection departments to guide and strengthen monitoring, timely rectification and improvement, and ultimately meet industry standards.
3. Greening the enterprise environment, optimizing management indicators
In order to further strengthen the workers' awareness of environmental protection, the company organized employees to carry out voluntary greening activities. The company spent more than 500,000 yuan on the greening of more than 90% of the first phase of the plant area, and carried out greening according to the plan, and divided the responsibility area into the company. The door gives people the feeling of a real garden-style factory, the company is thriving, and all the indicators have entered the advanced level of the industry:
1. The quality of HJ brand aluminum ingot for remelting meets the national standard and declares the provincial famous products;
2. Electrolytic primary aluminum AC power consumption below 14000kwh/t-AL reaches the domestic advanced level;
3. The fluoride emission concentration is 1.9mg/nm3, the dust emission concentration is 8mg/nm3, and the dust removal efficiency is over 99%. These indicators have achieved leading levels in the same industry;
4, the implementation of fully enclosed circulating water, basically no industrial water discharge;
5. The enterprise and the surrounding areas have truly achieved mutual supervision, jointly managed and shared environmental advantages.
Fourth, long-term unremitting efforts to create tomorrow's environmental protection enterprises
With the development of enterprises and the progress of society, environmental protection has reached a consensus and requirements. Our company has also planned future environmental development plans. We will summarize past achievements, learn from external successful experiences, and constantly improve the environmental image of enterprises. Actively resound the national policy, cooperate with the environmental protection departments at all levels to intensify efforts, seek truth from facts, do a good job in the economic development of enterprises, do a good job in environmental protection, and make unremitting efforts to create tomorrow's environmental protection enterprises.
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