Energy saving and monitoring phase IV (phase 34 in total)

Work trends
Our committee held an information conference on industrial energy conservation and comprehensive utilization of resources
On the morning of August 18, our committee held an information conference on industrial energy conservation and comprehensive utilization of resources in Chang. Zhou Jueren, director of the Resources Department of the Provincial Economic and Trade Commission, reported the main achievements of industrial energy conservation and comprehensive utilization of resources in the first half of this year; Fu Aijun, the head of the provincial energy-saving supervision team, reported the energy-saving work of key energy consuming enterprises in the first half of the year; Wu Xifeng, director of the provincial wall office and the free mix office, reported the innovation of wall materials in the province and the development of bulk cement and ready mixed concrete; Zhang Guoyong, director of the provincial economic and trade commission office, presided over the press conference. (Shi Qing, Provincial Energy Conservation Supervision Corps)
Jiangxi Energy Efficiency Promotion Plan Project is progressing smoothly
In the first half of the year, with the support of relevant departments, the provincial headquarters won the World Bank's Jiangxi Energy Efficiency Promotion Program and established the Jiangxi GEF Energy Conservation Project Management Office. The project mainly uses the World Bank grant to strengthen the capacity building of the provincial three-level energy conservation supervision organization, and establish a trinity energy information dispatching platform and processing and analysis system. Through the implementation of this project, it is helpful to introduce advanced energy-saving concepts and methods at home and abroad, establish a long-term sustainable energy-saving mechanism, and lay a solid foundation for the sustainability of energy conservation and energy-saving supervision in our province. At present, the project of Jiangxi Energy Efficiency Promotion Plan is progressing smoothly. (Shi Qing, Provincial Energy Conservation Supervision Corps)
The provincial energy conservation supervision team successfully completed the task of energy conservation supervision and monitoring in the first half of 2009
In the first half of 2009, the provincial energy conservation supervision team organized local economic and trade commissions and energy conservation centers to jointly carry out energy conservation supervision and law enforcement activities for 100 key energy consuming enterprises in the province, completed energy conservation supervision and monitoring for 55 enterprises, issued 51 comprehensive energy conservation supervision reports, 18 monitoring reports, put forward about 30 rectification suggestions on the spot, and put forward about 130 rectification suggestions in writing, successfully completing the energy conservation supervision and monitoring task in the first half of 2009. (Li Jinggang, Provincial Energy Conservation Supervision Corps)
Jiangxi Provincial Energy Conservation Supervision Corps Promotes the Automation Process of Energy Conservation Supervision and Law Enforcement Data Collection
Recently, Jiangxi Provincial Energy Conservation Supervision Corps went to cement enterprises such as Wannianqing Cement Plant to conduct scientific collection test of energy conservation supervision and law enforcement data, promote the automation process of energy conservation supervision and law enforcement data collection, and reduce the complexity of data collection and summary between law enforcement departments and enterprises. (Liu Yao, Jiangxi Provincial Energy Conservation Supervision Corps)
Pingxiang Energy Conservation Supervision Center conducts energy conservation supervision and law enforcement activities for key energy using enterprises in the city
Since July 13, Pingxiang Economic and Trade Commission and Pingxiang Energy Conservation Supervision Center have conducted energy conservation supervision and law enforcement activities for key energy using enterprises in Pingxiang for two consecutive weeks. During this supervision and law enforcement activity, we mainly monitored the energy management system of the enterprise, the standing book of energy using equipment, the elimination of equipment, the status of energy-saving technological transformation and the consumption quota. The key energy using enterprises of the city can basically fulfill the requirements of supervision and law enforcement activities. A few enterprises agreed to speed up the implementation after our center issued a deadline for rectification. (Ding Jiangping, Pingxiang Energy Conservation Supervision Center)
Enterprise energy conservation
Nanchang Changli Iron and Steel Co., Ltd. has achieved success in tackling key scientific and technological problems in converter negative energy steelmaking
Since 2007, Nanchang Changli Iron and Steel Co., Ltd. has organized the technological breakthrough of converter negative energy steelmaking. Through careful organization of production, it timely adjusts the consumption of molten iron to digest molten iron to the maximum extent and effectively uses the physical heat of molten iron; Increase converter gas pressurization equipment, mix converter gas with cogeneration for power generation, expand the users and usage of converter gas, and improve the recovery level of converter gas; The energy consumption of converter steelmaking process has been greatly reduced by implementing the technical transformation of power saving of fan and water pump, and electric power consumption and other measures. In 2008, 3.55 Kgce/t was completed, 1.08 Kgce/t was completed from January to April 2009, 0.05 Kgce/t was completed in May 2009, and -2.078 Kgce/t was completed in June 2009. It is the first time to realize negative energy steelmaking. (Zhang Lilong, Nanchang Changli Iron and Steel Plant)
In the first half of the year, Pinggang achieved new results in energy saving and consumption reduction
In the first half of this year, Pingshan Iron and Steel Co., Ltd. achieved new results in energy conservation and consumption reduction, mainly through the adoption of energy-saving target assessment mechanism, incentive mechanism, introduction of talent mechanism and improvement of technical operation, taking cost as the center and output as the guarantee to promote stable production and low consumption in the next process. The comprehensive energy consumption per ton of steel of the company from January to June was 560 Kg ce/t steel, a year-on-year decrease of 7.3 Kg ce/t steel, saving 21000 tons of standard coal; The comprehensive power consumption per ton of steel decreased by 20kwh/t of steel, which saved 57.32 million kwh of electricity, and achieved a decrease in five of the company's six major processes, including: the energy consumption in the ironmaking process decreased by 32Kg ce/t iron on a year-on-year basis (the energy consumption in the ironmaking process of the wholly-owned Jiugang Company decreased by 28.7 Kg ce/t iron on a year-on-year basis); The energy consumption of sintering process decreased by 2.8Kg ce/t ore on a year-on-year basis; The energy consumption of steelmaking process decreased by 1Kg ce/t steel on a year-on-year basis. In addition, Pingshan Iron and Steel Co., Ltd. has made achievements in energy recovery and utilization. The power generation of the units in the waste heat and residual pressure power generation project is normal, giving full play to the energy-saving effect of production after the completion of the energy-saving technical transformation project. (Liu Hui, Pingxiang Iron and Steel Plant)
Jiangli Company advocates new energy conservation
Jiangli's main products to the market are electrolytic nickel, lithium hydroxide monohydrate and industrial lithium carbonate. Sulfuric acid is the main auxiliary material for the production of these three products. In order to solve the problem of transportation and storage of sulfuric acid and reduce the production cost, in October 2007, the company built the first phase of a 200000 t/a sulfuric acid plant, which uses the traditional contact method production process. While producing sulfuric acid, its tail gas emissions are significantly lower than the national standard, and the waste heat of the entire process system is a rare additional heat. In order to effectively utilize waste heat resources, the company invested 10 million yuan in July last year and built a waste heat power plant with a total installed capacity of 12000 kilowatts in just three months. Within 6 months after the project is completed and put into operation, the company has generated 13 million kilowatt hours of electricity accumulatively, providing auxiliary power for the production of the company's main products, creating good economic benefits, saving 7.93 million yuan of electricity costs every month. It is estimated that the company will be able to recover all its investment in 3 months.
From January to March this year, Jiangli Company completed the waste heat power generation project with an investment of 31 million yuan. The first phase of the 6 MW steam turbine electromechanical unit has been installed and officially generated electricity, generating nearly 9 million kilowatt hours of electricity. While effectively reducing the production cost of the enterprise and improving the competitiveness of products, the company has also received 15 million yuan of national financial special fund for energy conservation. If calculated at the price of 0.6 yuan per kilowatt hour, the economic benefits generated by the enterprise from using waste heat to generate electricity each year will reach 5.4 million yuan.
In order to promote the realization of the goal of zero tailing discharge, the company also invested more than 60 million yuan to build two tailing ponds with a capacity of 6 million cubic meters in two phases to reserve tailing resources. With the continuous development of production, tailing pond facilities will be gradually added in the future to ensure sustainable development in the future. (Xing Chunguang, Xinyu Energy Conservation Supervision Center)
New Reconstruction of Jiangxi Mingheng Textile Co., Ltd. for Energy Saving and Emission Reduction
Jiangxi Mingheng Textile Co., Ltd. actively implemented the national requirements for energy conservation and emission reduction. In the reconstruction of the workshop refrigeration equipment of the new factory, all the spray air conditioning systems with high energy consumption were replaced by high-pressure spray humidification and water curtain cooling humidification. Water curtain cooling and humidification is an efficient and economic cooling method through evaporation cooling, and the installed capacity of electrical appliances is 2.2KW/thousand square meters. The installed capacity of the original sprinkler air conditioning system is 35KW/thousand square meters. After transformation, 540KW/thousand square meters of electricity will be saved every day. The enterprise has greatly saved production costs and improved its economic and social benefits. (Jiangxi Mingheng Textile Co., Ltd.)
The capacity expansion project of Ningdu Grinding Station of Jiangxi Baohuashan Group is progressing smoothly
Since the construction of Ningdu Cement Grinding Station Expansion Project of Jiangxi Baohuashan Group Ningdu Cement Co., Ltd. started in June this year, the project has progressed smoothly. The total investment of the project is 20 million yuan. On the basis of the original two cement mills, one roller press and supporting environmental protection facilities are added respectively. After the project is completed and put into operation, the grinding capacity will be increased from 800000 tons/year to 1.2 million tons/year, and the power consumption of cement grinding per ton will be reduced by 1-2 kilowatt hours, which will greatly expand and meet the surrounding cement market and improve the overall efficiency of the company.
Jiangxi Yudu Southern Evergreen Technology Tackle Key Problems to Promote Energy Saving and Consumption Reduction
Jiangxi Yudu Nanfang Wannianqing Cement Co., Ltd. highlighted the practice characteristics in the activities of learning and practicing the scientific concept of development, and made great efforts to carry out technological breakthrough activities while learning, which promoted the energy conservation and consumption reduction of the enterprise.
First, in view of the key problem of low hourly production of raw meal mill, which leads to high electricity consumption of raw meal, a key problem solving team for hourly production of raw meal mill was established, and a key problem solving plan was formulated, which was personally addressed by the leader in charge. According to the change of the current of the ball mill, effective technical measures such as timely supplement of the loading capacity of the grinding body, technical transformation of the limestone crusher, reducing the particle size of the limestone into the mill from 20cm to 15cm, regular inspection and cleaning of the air duct of the dust remover, and ensuring good ventilation in the mill were taken. The hourly output of raw materials was increased by nearly 10 tons, the power consumption per ton of raw materials was reduced by nearly 3 degrees, and the monthly power saving was more than 170000 degrees.
The second is the application of mineralizer calcining clinker technology. While improving the production and quality, the heat of raw meal has decreased by 15 KCal/Kg, saving more than 3000 tons of coal annually; The power consumption per ton of clinker has decreased by 4.64 kWh, saving more than 1.6 million kWh annually.
The third is to innovate and tap the potential of production and domestic water, which can save 160000 kWh of power consumption and 100000 m3 of groundwater every year. (Chen Xianhua, Zeng Weiping, Zou Yonghua)
Jiangxi Yudu Nanfang Wannianqing Cement Co., Ltd. takes two measures to save energy and reduce consumption
Jiangxi Yudu Nanfang Evergreen Cement Co., Ltd. is a well-known enterprise in the cement industry of Jiangxi Province and one of the 100 key high energy consumption enterprises in Jiangxi Province. In order to complete the task of energy conservation and emission reduction assigned by the superior, become an environment-friendly enterprise, and promote the sustainable development of the enterprise, the company establishes and practices the scientific concept of development, and does a good job in energy conservation and emission reduction of the enterprise in a two pronged way.
The first is to use copper slag, lead zinc slag, pyrite calcined slag and other industrial waste residues to replace ordinary iron ores as iron correction materials in preparing kiln raw materials. Practice has proved that these industrial waste residues contain elements such as tin, calcium, zinc and crystals, which act as mineralizers for clinker calcination; It not only improves the burnability of raw meal, but also has the advantages of fast heating, light reducing atmosphere, reducing the temperature of liquid phase, expanding the range of clinker formation, promoting the burning reaction, reducing the generation of free calcium oxide and the heat consumption of clinker burning. Since the use of industrial waste residue to prepare raw materials for kiln feeding, the hourly output of vertical kiln has increased by 0.8 tons on average, saving more than 3000 tons of standard coal, reducing more than 8000 tons of carbon dioxide and more than 20 tons of sulfur dioxide annually.
The second is to add high-tech energy-saving products into raw meal ingredients. After tasting the benefits of using industrial waste residue to produce cement clinker, the company focused on high-tech energy-saving products in order to further do a good job in energy conservation and emission reduction. Since the second half of last year, the company has carried out the test of adding coal saving agent into raw meal ingredients; After more than half a year of repeated tests, it is proved that the use of coal saving agent not only has obvious coal saving effect, but also has the advantages of reducing the emission of toxic and harmful smoke and dust, good burnability of raw meal, improving the output and quality of clinker, good grindability of clinker, and improving the hourly output of cement mill. After the successful test, the company used this high-tech energy-saving product in two raw meal lines. Since the coal saving agent was added to the raw material ingredients, the coal consumption has dropped by more than 8% year on year, saving more than 4000 tons of standard coal, reducing carbon dioxide emissions by more than 10000 tons and sulfur dioxide emissions by more than 30 tons.
In the work of energy conservation and emission reduction, Jiangxi Yudu Nanfang Wannianqing Cement Co., Ltd. has always insisted on scientific and technological innovation and vigorously developed the circular economy. Due to its remarkable achievements in the comprehensive utilization of resources, the company has been rated as the "Comprehensive Utilization Unit of Resources in Jiangxi Province" for many consecutive years, and has achieved remarkable economic and social benefits. (Zou Yonghua and Ding Shengyuan)
Wannian Cement Plant carries out high-voltage frequency conversion transformation
In late August, the frequency conversion system of the four high-voltage equipment of the two rotary kilns in Wannian Cement Plant of the Company had been installed and entered the commissioning stage. Under the guidance of the company's policy of vigorously advocating energy conservation and consumption reduction, Wannian Cement Plant responded positively. After the power saving effect of installing the frequency conversion system for the exhaust fan of 1 # raw meal mill in 2008, this year, 4 high-voltage equipment were transformed by frequency conversion. It is estimated that this project will save 25% of electricity and save 500000 kWh of electricity every month. (Shao Huiyu, Wannianqing Cement Co., Ltd.)
Wannian Cement Plant carried out energy-saving technical transformation on dry process rotary kiln
On August 15, Wannian Cement Plant, the production base of the company, successfully completed the transformation of the kiln head and kiln tail boilers and the overhaul of the generator set for the waste heat power generation of the first dry process rotary kiln in China. After several days of trial operation, through statistics and monitoring, the power generation capacity has doubled compared with that before the transformation, and further effective utilization of waste heat is realized. (Shao Huiyu, Wannianqing Cement Co., Ltd.)
The boiler industrial water recovery effect of Jiangxi Datang International Xinyu Power Generation Co., Ltd. is remarkable
In order to make full use of the existing water resources and create an economical and environment-friendly enterprise, Xinyu Power Generation Company decided to recycle the industrial water from the boilers of two units, with a total investment of 350000 yuan; According to the actual situation on site, the recycled water will be sent to the cooling water tower of the two units and the desulfurization water to improve the recycling rate of water resources.
From April to May 2009, the construction of the reservoir was completed. On June 23, the installation of pipes, water pumps and liquid level control was started. By June 30, all tasks were successfully completed; It was officially put into operation in July. After one month of operation, 80T/set. h of industrial water can be recovered. It is estimated that 80T/set. h * 5000 * 2=800000 tons of industrial water can be recovered throughout the year. Good economic and social benefits will be achieved. Next, we will recover boiler ash flushing water, chemical sewage, etc., and strive to make the power and water consumption rate reach the provincial advanced level. (He Xiaonai, Jiangxi Datang International Xinyu Power Generation Co., Ltd.)
Jiangxi Jingdezhen Power Plant Expansion Project of "Developing Large Units and Suppressing Small Units, Energy Saving and Emission Reduction"
Jiangxi Jingdezhen Power Plant "Pushing the Large Over the Small" 2 × The 660MW ultra supercritical unit expansion project is based on a series of major strategic decisions made by the state on the work of "increasing the large to suppress the small, energy conservation and emission reduction". The expansion project is planned to start construction in June 2009. Unit # 1 was formally put into operation in December 2010, and Unit # 2 was formally put into operation in the first half of 2011.
The expansion project has been included in the "Eleventh Five Year" economic development plan of Jiangxi Province prepared by Jiangxi Provincial Development and Reform Commission, which was completed and put into operation during the "Eleventh Five Year" period, and also included in the development plan of China Power Investment Corporation for the next three years after the "Eleventh Five Year" period. On December 10, 2008, the National Energy Administration (NEA) agreed to carry out the preliminary work of Jiangxi Jingdezhen Power Plant's off-site new construction project in the way of "pushing the big against the small" with the letter of NEA Electric Power [2008] No. 131 on approving the preliminary work of Jiangxi Jingdezhen Power Plant's "pushing the big against the small" project.
Jiangxi Jingdezhen Power Plant 2 × The second design liaison meeting of steam turbine for 660MW ultra supercritical unit expansion project was held
In July 2009, Jiangxi Jingdezhen Power Plant "pushed down the small" 2 × The second design liaison meeting of 660MW ultra supercritical unit expansion project host was held in Jingdezhen. The meeting was attended by China Power Investment Jiangxi Branch, China Power Investment Power Engineering Co., Ltd., Jiangxi Jingdezhen Power Generation Co., Ltd., Dongfang Turbine Co., Ltd. of Dongfang Electric Group, Dongfang Electric Machinery Co., Ltd. of Dongfang Electric Group, Shanghai Electric Power Construction and Repair Plant, and Jiangxi Electric Power Design Institute. Meeting from steam turbine part; Small steam turbine and feed water pump; Thermal control part; The generator part and other aspects reached consensus through friendly consultation and full discussion, and formed meeting minutes.
The general design review meeting for the construction organization of Jiangxi Jingdezhen Power Plant expansion project was successfully completedIn July 2009, Jiangxi Jingdezhen Power Plant 2 × The review meeting of the General Design of Construction Organization for the 600MW unit expansion project of "promoting the large while suppressing the small" was successfully held in Nanchang. More than 50 leaders of participating units and relevant experts participated in the review meeting.
At the meeting, the review team reviewed and discussed the general design scheme of construction organization by technical and management teams. The leaders and experts at the meeting agreed that the General Design of Construction Organization meets the construction requirements of the project and plays a guiding and normative role in ensuring the controllability and ongoing control of the four major objectives of "safety, quality, progress and cost" of the project. At the same time, the review team discussed and revised the construction drawings, construction deployment, quality management excellence scheme, installation engineering and other technical schemes.
The successful passing of the review of the General Construction Organization Design of the expansion project will certainly lay a solid foundation for guiding and standardizing the management of the expansion project and effectively ensuring the smooth progress of the expansion project.
The general contract for the construction of the special railway line project of Jiangxi Jingdezhen Power Plant Expansion Project was successfully signed
On August 18, 2009, Jiangxi Jingdezhen Power Generation Co., Ltd. and Nanchang Railway Survey and Design Institute Co., Ltd. successfully completed Jiangxi Jingdezhen Power Plant 2 at Jiangxi Zhengyuan Hotel × Signing of the general contract for the construction of the special railway line project of the 600MW unit expansion project of "promoting the large while suppressing the small". The General Manager of Jingdian Corporation and the Secretary of the Party Committee of Nanchang Railway Survey and Design Institute, on behalf of their respective units, signed the general contract for the construction of special railway lines.
Jiangxi Jingdezhen Power Generation Company carried out Level C maintenance of Unit # 135 to ensure safe operation of the unit during the summer rush
Class C maintenance of # 135 unit of Jiangxi Jingdezhen Power Plant Company started on June 3, with a planned duration of 15 days. In order to conscientiously implement the relevant maintenance management requirements of the Group Company, branches and Jingdian Company, safely, efficiently, normatively, high-quality and civilized complete the Level C maintenance project of # 135 Unit, eliminate the existing equipment defects and hidden dangers of the unit, and effectively improve the reliability and economic level of unit operation based on safety, quality and duration control.
#135 The Level C maintenance of the unit is the only planned maintenance before the summer peak. The maintenance effect will directly affect the safe and economic operation of the unit during the summer peak. For this reason, Jingdian requires all units participating in the maintenance to pay high attention to it and take it seriously. The Level C maintenance should effectively solve the existing equipment defects and hidden dangers of # 135 unit, The key point is to deal with the damage of the wear-resistant casting material in the furnace and the "four pipe" explosion-proof, so as to ensure the safe, stable and economic operation of the unit during the summer rush. Ensure that the hydraulic test is successful after the warranty, the ignition, impulse starting and grid connection are successful, the technical and economic indicators reach the optimal value for operation, and the unit has the ability to operate safely and economically for a long period after the repair.