In November of this year, Shanxi Coking Group was selected as the first batch of 42 circular economy pilot units nationwide, becoming the only coking company in the country. Over the years, Shanjia has insisted on an efficient, low-cost production policy, saved resources, regulated the environment, and improved efficiency. It has been recognized and praised by the country.
Strive for Production Accuracy As the main raw material for coking enterprises, main coking coal is currently in short supply in the country. To this end, Shan Jiao Company organized lean technical personnel to study the most economical and feasible ratio of coal blending. This year, they proposed using coke coke powder instead of 5% lean coal, which could save nearly 10 million yuan in coal purchases. They will also incorporate waste asphalt into coke and use waste to increase the strength of coke.
According to the characteristics of the water shortage area in Shanjiao, the company vigorously carried out water conservation work. In the 20 years since it was put into operation, the production of fresh water for Shan Jiao has been reduced to 1,650 tons/hour under the premise of three times the production scale, which is 28.3% lower than the initial production period. At present, the company's overall fresh water reuse rate is more than 90%, and some production units even use three or four cycles of water recycling. This year, they optimized the water supply system, used new water-saving technologies and new products, installed a large number of water-saving valves, and reduced the company’s fresh water consumption by nearly 50 tons/hour.
In the first 10 months of this year, under the premise of extremely fierce competition in the coke market, the company increased the marketing of chemical products to achieve a profit of nearly 60 million yuan, and the comprehensive energy consumption of 10,000 yuan output value was from 11.4 tons during the “Ninth Five-Year†period. Coal fell to 9.82 tons, a decrease of 13.9%.
Creation of corporate cleanliness Shanjia pays attention to environmental governance and the simultaneous development of enterprises. Since September 1996, it has conducted interviews with reporters of 'Shanjiao Environmental Protection Bank' for nine consecutive years and has been summed up by the State Environmental Protection Administration as 'Advanced Models of Corporate Environmental Protection Work'. This move has greatly increased the environmental awareness of the entire staff. The concept of the majority of employees has changed from 'I want environmental protection' to 'I want environmental protection'.
Shanjia takes the construction of a conservation-minded society as its starting point, accumulatively invests 150 million yuan to implement 75 pollution control projects, and forms 1.75 million tons of wastewater, 2.1 billion cubic meters of waste gas, 30,000 tons of solid waste, and comprehensive utilization of the annual production capacity. More than 10 kinds of product pollution prevention capabilities.
In terms of wastewater treatment, the company has invested a total of RMB 95 million, established sewage treatment projects such as sewage diversion, biochemical expansion, etc., and adopted advanced O/A wastewater treatment processes to achieve the discharge of coking wastewater. They also researched and developed the coking wastewater recycling technology with the Shanxi Coal Chemical Institute of the Chinese Academy of Sciences. After the biochemical treatment of coking wastewater, they are all used for boiler dust removal and quenching. Since the investment, it has handled nearly 10 million tons of coking wastewater, which can reduce the discharge of pollutants by more than 400 tons per year.
In terms of exhaust gas treatment, Shan Jiao has invested nearly 50 million yuan in cumulative total, and has completed exhaust gas recovery projects such as tar exhaust gas recovery, boiler dust removal, synthetic ammonia recovery, and hydrogen recovery. The company recycles 8 million cubic meters of gas, 1,400 tons of synthetic ammonia, and 14.5 million cubic meters of hydrogen. Meters, economic benefits up to several ten thousand yuan.
In the treatment of solid waste, the company implemented resource utilization and harmless treatment, accumulatively invested more than 800 million yuan to complete the use of fly ash to produce cement, coke project and other governance projects, the annual use of fly ash can produce unburned brick 500 Millions, 20,000 tons of cement, and 50,000 floor tiles with an output value of 5 million yuan. At present, they are investing 180 million yuan to start the construction of a new dry process cement production line with an annual output of 1.5 million tons of cement. The annual digestible fly ash will be 200,000 tons, and the harm will be realized, turning waste into treasure.
Pursuit of industry depth
When it was fully put into operation in 1984, Shan Jiao was only a small enterprise with low production capacity, low utilization of resources, and high energy consumption. Since 1990, Shanjia has successively invested tens of millions of yuan in the expansion of its chemical fertilizer system, which has enabled its urea production capacity to reach 140,000 tons, and its chemical product category has reached nearly 50 species. In 2001, a 900,000-ton/year coke-oven remodeling project for Shanjiao, which cost RMB 907 million, was fully put into operation. In addition to producing 1 million tons of coke per year, it can also produce tar, sulfur, carbon black, coke toluene, and xylene. And other chemical products. The recovered coke oven gas is used for power generation and can generate 70 million KWh of electricity each year. In 2002, the total investment of 838 million yuan of Shanjiao 300,000 tons / year coal tar processing project broke ground, the project construction of 12 sets of production facilities and public auxiliary facilities, production of 6 series, 33 kinds of products. At the end of September this year, the first phase of the project was officially commissioned. This is the largest single-item equipment processing project of the same type in the country. It can process 300,000 tons of coal tar annually. With the original processing capacity of 50,000 tons, Shan Jiao’s coal tar processing capacity ranks second in the country.
On November 2 this year, the coking 1.5 million tonne/year coke oven expansion project headquarters and the methanol project headquarters were established at the same time, and preparations for construction were started. After the two projects are put into operation at the end of 2006, they can greatly promote the adjustment of the coal industry structure in Shanxi Province and even North China.
Strive for Production Accuracy As the main raw material for coking enterprises, main coking coal is currently in short supply in the country. To this end, Shan Jiao Company organized lean technical personnel to study the most economical and feasible ratio of coal blending. This year, they proposed using coke coke powder instead of 5% lean coal, which could save nearly 10 million yuan in coal purchases. They will also incorporate waste asphalt into coke and use waste to increase the strength of coke.
According to the characteristics of the water shortage area in Shanjiao, the company vigorously carried out water conservation work. In the 20 years since it was put into operation, the production of fresh water for Shan Jiao has been reduced to 1,650 tons/hour under the premise of three times the production scale, which is 28.3% lower than the initial production period. At present, the company's overall fresh water reuse rate is more than 90%, and some production units even use three or four cycles of water recycling. This year, they optimized the water supply system, used new water-saving technologies and new products, installed a large number of water-saving valves, and reduced the company’s fresh water consumption by nearly 50 tons/hour.
In the first 10 months of this year, under the premise of extremely fierce competition in the coke market, the company increased the marketing of chemical products to achieve a profit of nearly 60 million yuan, and the comprehensive energy consumption of 10,000 yuan output value was from 11.4 tons during the “Ninth Five-Year†period. Coal fell to 9.82 tons, a decrease of 13.9%.
Creation of corporate cleanliness Shanjia pays attention to environmental governance and the simultaneous development of enterprises. Since September 1996, it has conducted interviews with reporters of 'Shanjiao Environmental Protection Bank' for nine consecutive years and has been summed up by the State Environmental Protection Administration as 'Advanced Models of Corporate Environmental Protection Work'. This move has greatly increased the environmental awareness of the entire staff. The concept of the majority of employees has changed from 'I want environmental protection' to 'I want environmental protection'.
Shanjia takes the construction of a conservation-minded society as its starting point, accumulatively invests 150 million yuan to implement 75 pollution control projects, and forms 1.75 million tons of wastewater, 2.1 billion cubic meters of waste gas, 30,000 tons of solid waste, and comprehensive utilization of the annual production capacity. More than 10 kinds of product pollution prevention capabilities.
In terms of wastewater treatment, the company has invested a total of RMB 95 million, established sewage treatment projects such as sewage diversion, biochemical expansion, etc., and adopted advanced O/A wastewater treatment processes to achieve the discharge of coking wastewater. They also researched and developed the coking wastewater recycling technology with the Shanxi Coal Chemical Institute of the Chinese Academy of Sciences. After the biochemical treatment of coking wastewater, they are all used for boiler dust removal and quenching. Since the investment, it has handled nearly 10 million tons of coking wastewater, which can reduce the discharge of pollutants by more than 400 tons per year.
In terms of exhaust gas treatment, Shan Jiao has invested nearly 50 million yuan in cumulative total, and has completed exhaust gas recovery projects such as tar exhaust gas recovery, boiler dust removal, synthetic ammonia recovery, and hydrogen recovery. The company recycles 8 million cubic meters of gas, 1,400 tons of synthetic ammonia, and 14.5 million cubic meters of hydrogen. Meters, economic benefits up to several ten thousand yuan.
In the treatment of solid waste, the company implemented resource utilization and harmless treatment, accumulatively invested more than 800 million yuan to complete the use of fly ash to produce cement, coke project and other governance projects, the annual use of fly ash can produce unburned brick 500 Millions, 20,000 tons of cement, and 50,000 floor tiles with an output value of 5 million yuan. At present, they are investing 180 million yuan to start the construction of a new dry process cement production line with an annual output of 1.5 million tons of cement. The annual digestible fly ash will be 200,000 tons, and the harm will be realized, turning waste into treasure.
Pursuit of industry depth
When it was fully put into operation in 1984, Shan Jiao was only a small enterprise with low production capacity, low utilization of resources, and high energy consumption. Since 1990, Shanjia has successively invested tens of millions of yuan in the expansion of its chemical fertilizer system, which has enabled its urea production capacity to reach 140,000 tons, and its chemical product category has reached nearly 50 species. In 2001, a 900,000-ton/year coke-oven remodeling project for Shanjiao, which cost RMB 907 million, was fully put into operation. In addition to producing 1 million tons of coke per year, it can also produce tar, sulfur, carbon black, coke toluene, and xylene. And other chemical products. The recovered coke oven gas is used for power generation and can generate 70 million KWh of electricity each year. In 2002, the total investment of 838 million yuan of Shanjiao 300,000 tons / year coal tar processing project broke ground, the project construction of 12 sets of production facilities and public auxiliary facilities, production of 6 series, 33 kinds of products. At the end of September this year, the first phase of the project was officially commissioned. This is the largest single-item equipment processing project of the same type in the country. It can process 300,000 tons of coal tar annually. With the original processing capacity of 50,000 tons, Shan Jiao’s coal tar processing capacity ranks second in the country.
On November 2 this year, the coking 1.5 million tonne/year coke oven expansion project headquarters and the methanol project headquarters were established at the same time, and preparations for construction were started. After the two projects are put into operation at the end of 2006, they can greatly promote the adjustment of the coal industry structure in Shanxi Province and even North China.
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