Coke industry's "chemical escape"
Because of the inability to recycle, the "sky lantern" on the coke plant's chimneys can be seen everywhere in the city of Jiaocheng, making it a unique landscape.
Under the pressure of resources and the environment, the state has continued to exert a series of macro-control measures, all pointing to the coke industry. Experts believe that for coking enterprises, only the “coal-coking-chemical†integration is selected, and deep processing of coke is chosen to extend the new path of the coking industrial chain. Therefore, the development of by-product recycling and coking product finishing will become a trend.
Under the new industrial policy, the coke industry is embarking on a "chemical runaway."
Anxiety caused by coking On January 5, at the Shanxi Provincial Enterprise Development High-Level Forum, keynote speaker Zhong Pengrong, a famous domestic economist, overseen more than 700 small and medium-sized businesses for SMEs: Coking Enterprises in Shanxi Province In many cases, if the investment is single, the company will inevitably lose money. Therefore, we must eat dry squeezed and realize the relevant diversification of investment in order to make profits.
At present, the recovery and utilization rate of coke oven gas, coal tar, and crude benzene produced in the production of coke in Shanxi Province is very low, and pollution and waste are very serious. The proportion of chemical production revenue to total coking companies’ total revenue is now less than 30%. Since 2006, the problem of "focusing only" has eased, but it has still not been fundamentally resolved. Xue Jun, president of the Shanxi Province Coke Association, commented that the coking industry in Shanxi Province has said that the Shanxi coking industry has not been out of the extensive industry orientation and development status over the years and has not formed a coking industry in the true sense. The problem of coking coal industry is still an important factor that affects the profitability of the coke industry.
According to the survey, among the 118 counties and districts in Shanxi Province, more than two-thirds of the counties' economic development depends on coal-based energy industries such as coal mining, coking, and ironmaking. The economic benefits created by these industries account for the annual counties. More than 70% of total income. For a long time, a large number of environmental protection facilities of coking enterprises are not in place, and the discharge of pollutants such as waste water and waste gas has failed to meet the standard, especially the production of soil coke and modified coke, some blindly repeated construction, no coking product recovery, and no recycling of coke oven gas The production of coke still continues to seriously waste national resources and pollute the local ecological environment. Although after more than two years of clean-up and rectification, the coke and modified coke have not yet been completely eliminated.
In many coal-producing areas in Shanxi Province, a large coke province, a group of bosses have led their companies to produce coke. However, due to the backwardness of the process and equipment, one column of coking coal is charged into the coke oven. After the air is separated and high-temperature distillation is performed, it is only processed into coke. The chemical raw materials such as coal gas produced during the coking process cannot be recycled, but they have to be allowed to burn and be discharged into the air. The reporter saw in the Luliang region of Shanxi Province that the lit gas covered a chimney covered with thick black smoke and yellow smoke. Except for a few large-scale state-owned coking enterprises, large and small coking plants are on the tall chimneys. With one or more of the “sky lanternsâ€, the red flames burned into the sky. This landscape can be seen everywhere in the city of Jiaozhou.
According to the data from the China Coking Industry Association, although soil coke and modified coke have dropped from the highest annual output of 67.28 million tons and the proportion of 48% to 15 million tons and 5.4% respectively in 2006, the total amount is still large. Compared with the indicators specified in the “Entry Conditions of the Coking Industry†of the country, the quality of coking coal is 5% to 10% higher due to burning. In particular, gas, coal tar, crude benzene, etc. generated in the production of coke are wasted, and roughly 400 cubic meters of coke oven gas are produced per ton of coke. The country currently produces nearly 80 billion cubic meters of coke oven gas each year. Each year, about 25 billion cubic meters of coke oven gas is directly discharged or burned in a "daylight" way. Calculated at 0.2 yuan/cubic meter, the direct economic loss of these wasted coke oven gas exceeds 5 billion yuan/year. Huge coke oven gas resources have been consumed in vain, which has caused billions of dollars in economic losses every year and caused serious air pollution. The industry figures figured out that accounts of all urban residents living in Shanxi Province use only 2 billion to 2.2 billion cubic meters of gas per year; and the national West-to-East Gas Pipeline delivers Xinjiang natural gas to Shanghai and can only deliver 120 per year. Billion cubic meters of natural gas. According to calculation of 50 million tons of coke per year in Shanxi, the province has to discharge 20 billion cubic meters of gas every year, which is equivalent to nearly twice the design annual gas transmission capacity of 12 billion cubic meters. It can be seen that China's coke industry is still at an extensive level and it has not formed a coking industry in the sense of modern industry.
No longer can't rely on coke
The country will not really coke enterprises?
Not long ago Beijing No. 4 blast furnace of Shougang shut down, reducing production by 4 million tons, affecting profits of several billion yuan. This example is repeatedly mentioned in coking companies. If the state can bear the pain of a large-scale state-owned enterprise losing profits of several billion yuan a year, then what is the expectation of the fate of those high energy-consuming and highly polluting coke enterprises?
Beginning in 2004, the competent national authorities successively issued more than 20 special industrial policies and supporting measures such as the "Admission Requirements for Coking Industry", which regulate coke production capacity. The "Guidance Catalogue for Industrial Structure Adjustment (2005 edition)" proposes that by the end of 2007, To eliminate coke below 4.3 meters, at the same time environmental indicators must be up to standard.
The “Comprehensive Work Plan for Energy Saving and Emission Reduction†issued by the State Council on June 3, 2007 requires that during the “Eleventh Five-Year Plan†period, the country will eliminate 80 million tons of small coke oven capacity below 4.3 meters. In 2007, 8 departments such as the National Development and Reform Commission carried out nationwide inspections of high-energy-consuming and highly-polluting industries. Coke, steel, and ferroalloys were among them. On December 20, 2007, the National Development and Reform Commission announced the third batch of 34 companies that meet the entry requirements. At this point, 140 coking companies passed the announcement (excluding two revoked).
In addition to measures such as industrial access, rectification, and elimination of backwardness, as a "two high and one capital" product, the coke export taxation policy has been frequently adjusted in recent years, and the interest pattern has changed.
Under the background of adjustments, coking companies are no longer afraid to “lean on coke.â€
In June 2007, the original Shanxi Coke Industry Association officially changed its name to the Shanxi Coking Industry Association. The difference between the two words shows the end of the history of Shanxi's coke industry, which is "not coke only." The repositioning of the industry association reflects the future development direction of Shanxi's coke. Coke companies will enter the huge chemical market, and coking products will become the focus of the new strategy. In 2007, there were reports that Shanxi will use four years to reduce the number of coke enterprises to 150. The average size of enterprises will be more than 600,000 tons. The new water consumption per ton of coke will be controlled below 2.5 cubic meters, and the utilization rate of coke oven gas will reach above 95.
The rising prices of energy and other raw materials for production and the promotion of energy-saving and emission-reduction policies will inevitably stimulate and promote the rapid development of alternative energy industries, renewable energy industries and various energy-saving technologies. In the new round of industrial restructuring that is being carried out in Shanxi Province, comprehensive planning has been made on the pollution control, industrial upgrading, and capital operation of the Shanxi coke industry. In the "Eleventh Five-Year Plan" of Shanxi, it is clearly stated that coal chemical industry ranks first in the new four pillar industries. Shanxi is being transformed from a coal province to a coal chemical province. The province has set a 100 billion yuan plate. Without deep processing and high added value, this 100 billion yuan is almost impossible to achieve. Shanxi Province plans to use coke oven gas to produce methanol-gasoline. Shanxi should be built into the country's largest methanol-gasoline production base. At least 8 million tons of methanol will be produced each year, worth about 15 billion yuan.
Whoever "reforms" faster who develops Under the pressure of energy conservation and emission reduction, coking companies begin to realize that only coke is not enough. The fundamental way out for the development of the coke industry is to extend the industrial chain, implement deep processing, and develop follow-up industries.
According to report, the first step in this area is the Shanxi Coking Group. At the beginning of the “10th Five-Year Planâ€, Shanjiao Group set its sights on solving the problem of “not focusing on cokeâ€. They invested 890 million yuan to build 300,000 tons/year on the basis of the original coal tar processing capacity of 50,000 tons. Coal tar processing project. They invested nearly 100 million yuan to purchase the core system tar distilling equipment from the French IRH company, invested 5 million yuan to import super centrifuges from the German Foreverite company, and adopted Honeywell’s computer distributed control system from the United States. Remote operation can be achieved, which not only improves the operation accuracy but also reduces the labor intensity. The first phase of the project also uses closed-circuit technology, waste gas, wastewater, waste residue treatment, discharge standards, and ultimately achieve zero pollution and zero emissions. This project is a coal tar processing device with the largest single processing capacity, multiple product types, advanced technology, complete environmental protection facilities, and high degree of automation. The first phase of the commissioned test has invested 550 million yuan, has 7 sets of production devices, and has 17 kinds of products with good market prospects. The annual sales revenue is up to 540 million yuan and the profit is 110 million yuan. After the second phase of the project has been put into operation, there will be 32 kinds of products, annual sales income will reach 710 million yuan, and profit will be 140 million yuan. The main production facilities and public auxiliary facilities produce 32 kinds of products including phenols, pyridine quinolines, naphthalenes, washing oils, oyster sauces, modified asphalts and various oils. The commissioning of these products has filled the gap in Shanxi's "focus only."
At present, the large-scale centralized processing of coal tar in Shanxi Province is underway. A number of large-scale centralized processing facilities are under construction. Among them, Shanxi Jiaocheng Hongte Coal Chemical Co., Ltd. has completed and put into production equipment with a single machining capacity of 150,000 tons/year, and it is constructing a production unit with a single machining capacity of 200,000 tons/year. The device has developed more than 20 kinds of fine chemical products and important chemical raw materials such as light oil, crude phenol, mixed oleoresin, and formulated asphalt from coal tar. It will also develop chemical raw materials such as crude guanidine, refined lanthanum, hydrazine, pyridine, and carbazole to form coal tar product series; develop high-softening point special asphalt, low-softening point special asphalt, impregnated asphalt for carburizing, carbon fiber products Aluminum, steel, refractories, waterproof building materials, carbon, aerospace and other industries. The high-polluted tail gas and tar that make local coking companies very headaches have become valuable chemical products.
Shanxi Jinjing Coking Co., Ltd. 330,000 tons/year (phase 1 165 thousand tons/year) tar processing project was successfully put into production. This is the second large-scale tar processing enterprise in Shanxi Province and also one of the few 300,000 tons in China. Tar processing project. Taihua Group also responded to market demand by focusing on coking and coking to expand coke deep-processing targets, and started construction of 300,000 tons/year of crude benzene hydrorefining, 300,000 tons/year of tar processing and 800,000 tons of coke oven technology. The "3380" project was changed. In addition, about 10 small coal tar processing units of 50,000 to 100,000 tons/year have been built and are under construction in Taiyuan, Xiaoyi, Jiexiu, Jiaokou, Hongdong, Jixian, and Hejin, and their development momentum has increased. Less.
The ammonium sulfate production process of the Shanxi Coke Group adopts advanced spray-type saturated absorption method and uses sulfuric acid to absorb ammonia from coal gas. Its main uses are agricultural fertilizers and industrial raw materials such as chemical industry, dyeing and weaving, medicine and leather. The market prospects are broad. This product, which was once unsuccessful in its delivery, was improperly handled and prone to pollution, has created considerable sales revenue for the company. Shanxi Changzhi Yubao Coke Group toppled two coke ovens and launched methanol and other environmental protection projects. Linfen City built 9 sets of coke oven chemical recovery facilities, and 38 large-scale coke oven coke ovens achieved recycling. The chemical products recovered from coke oven gas by Shanxi Donghui Group are the important raw materials for 3D organic chemical and fine chemical industries. The two companies at the beginning of the year proposed an overall development plan for the coking recycling economy. As the market matures, the coke industry has used its own advantages to develop deep processing of coal. Especially in the context of energy shortages in recent years, coke enterprises have turned to the coal chemical industry, changing the “coking alone†in Shanxi Province, extending the coking industrial chain, increasing the added value of products, converting to fine processing, and increasing domestic and foreign tars. The supply of deep-processed products will play a decisive role.
Experts pointed out that changing the coke industry's long-standing “only cokeâ€, from coking to coal chemical development, is equal to entering the chemical industry. In the future, the development of coke enterprises will continue to extend the industrial chain, develop deep processing of coke product recovery, deep processing of coal tar, and production of methanol and dimethyl ether from coke oven gas. This is the possible way to bid farewell to "only focus on".
Under the pressure of resources and the environment, the state has continued to exert a series of macro-control measures, all pointing to the coke industry. Experts believe that for coking enterprises, only the “coal-coking-chemical†integration is selected, and deep processing of coke is chosen to extend the new path of the coking industrial chain. Therefore, the development of by-product recycling and coking product finishing will become a trend.
Under the new industrial policy, the coke industry is embarking on a "chemical runaway."
Anxiety caused by coking On January 5, at the Shanxi Provincial Enterprise Development High-Level Forum, keynote speaker Zhong Pengrong, a famous domestic economist, overseen more than 700 small and medium-sized businesses for SMEs: Coking Enterprises in Shanxi Province In many cases, if the investment is single, the company will inevitably lose money. Therefore, we must eat dry squeezed and realize the relevant diversification of investment in order to make profits.
At present, the recovery and utilization rate of coke oven gas, coal tar, and crude benzene produced in the production of coke in Shanxi Province is very low, and pollution and waste are very serious. The proportion of chemical production revenue to total coking companies’ total revenue is now less than 30%. Since 2006, the problem of "focusing only" has eased, but it has still not been fundamentally resolved. Xue Jun, president of the Shanxi Province Coke Association, commented that the coking industry in Shanxi Province has said that the Shanxi coking industry has not been out of the extensive industry orientation and development status over the years and has not formed a coking industry in the true sense. The problem of coking coal industry is still an important factor that affects the profitability of the coke industry.
According to the survey, among the 118 counties and districts in Shanxi Province, more than two-thirds of the counties' economic development depends on coal-based energy industries such as coal mining, coking, and ironmaking. The economic benefits created by these industries account for the annual counties. More than 70% of total income. For a long time, a large number of environmental protection facilities of coking enterprises are not in place, and the discharge of pollutants such as waste water and waste gas has failed to meet the standard, especially the production of soil coke and modified coke, some blindly repeated construction, no coking product recovery, and no recycling of coke oven gas The production of coke still continues to seriously waste national resources and pollute the local ecological environment. Although after more than two years of clean-up and rectification, the coke and modified coke have not yet been completely eliminated.
In many coal-producing areas in Shanxi Province, a large coke province, a group of bosses have led their companies to produce coke. However, due to the backwardness of the process and equipment, one column of coking coal is charged into the coke oven. After the air is separated and high-temperature distillation is performed, it is only processed into coke. The chemical raw materials such as coal gas produced during the coking process cannot be recycled, but they have to be allowed to burn and be discharged into the air. The reporter saw in the Luliang region of Shanxi Province that the lit gas covered a chimney covered with thick black smoke and yellow smoke. Except for a few large-scale state-owned coking enterprises, large and small coking plants are on the tall chimneys. With one or more of the “sky lanternsâ€, the red flames burned into the sky. This landscape can be seen everywhere in the city of Jiaozhou.
According to the data from the China Coking Industry Association, although soil coke and modified coke have dropped from the highest annual output of 67.28 million tons and the proportion of 48% to 15 million tons and 5.4% respectively in 2006, the total amount is still large. Compared with the indicators specified in the “Entry Conditions of the Coking Industry†of the country, the quality of coking coal is 5% to 10% higher due to burning. In particular, gas, coal tar, crude benzene, etc. generated in the production of coke are wasted, and roughly 400 cubic meters of coke oven gas are produced per ton of coke. The country currently produces nearly 80 billion cubic meters of coke oven gas each year. Each year, about 25 billion cubic meters of coke oven gas is directly discharged or burned in a "daylight" way. Calculated at 0.2 yuan/cubic meter, the direct economic loss of these wasted coke oven gas exceeds 5 billion yuan/year. Huge coke oven gas resources have been consumed in vain, which has caused billions of dollars in economic losses every year and caused serious air pollution. The industry figures figured out that accounts of all urban residents living in Shanxi Province use only 2 billion to 2.2 billion cubic meters of gas per year; and the national West-to-East Gas Pipeline delivers Xinjiang natural gas to Shanghai and can only deliver 120 per year. Billion cubic meters of natural gas. According to calculation of 50 million tons of coke per year in Shanxi, the province has to discharge 20 billion cubic meters of gas every year, which is equivalent to nearly twice the design annual gas transmission capacity of 12 billion cubic meters. It can be seen that China's coke industry is still at an extensive level and it has not formed a coking industry in the sense of modern industry.
No longer can't rely on coke
The country will not really coke enterprises?
Not long ago Beijing No. 4 blast furnace of Shougang shut down, reducing production by 4 million tons, affecting profits of several billion yuan. This example is repeatedly mentioned in coking companies. If the state can bear the pain of a large-scale state-owned enterprise losing profits of several billion yuan a year, then what is the expectation of the fate of those high energy-consuming and highly polluting coke enterprises?
Beginning in 2004, the competent national authorities successively issued more than 20 special industrial policies and supporting measures such as the "Admission Requirements for Coking Industry", which regulate coke production capacity. The "Guidance Catalogue for Industrial Structure Adjustment (2005 edition)" proposes that by the end of 2007, To eliminate coke below 4.3 meters, at the same time environmental indicators must be up to standard.
The “Comprehensive Work Plan for Energy Saving and Emission Reduction†issued by the State Council on June 3, 2007 requires that during the “Eleventh Five-Year Plan†period, the country will eliminate 80 million tons of small coke oven capacity below 4.3 meters. In 2007, 8 departments such as the National Development and Reform Commission carried out nationwide inspections of high-energy-consuming and highly-polluting industries. Coke, steel, and ferroalloys were among them. On December 20, 2007, the National Development and Reform Commission announced the third batch of 34 companies that meet the entry requirements. At this point, 140 coking companies passed the announcement (excluding two revoked).
In addition to measures such as industrial access, rectification, and elimination of backwardness, as a "two high and one capital" product, the coke export taxation policy has been frequently adjusted in recent years, and the interest pattern has changed.
Under the background of adjustments, coking companies are no longer afraid to “lean on coke.â€
In June 2007, the original Shanxi Coke Industry Association officially changed its name to the Shanxi Coking Industry Association. The difference between the two words shows the end of the history of Shanxi's coke industry, which is "not coke only." The repositioning of the industry association reflects the future development direction of Shanxi's coke. Coke companies will enter the huge chemical market, and coking products will become the focus of the new strategy. In 2007, there were reports that Shanxi will use four years to reduce the number of coke enterprises to 150. The average size of enterprises will be more than 600,000 tons. The new water consumption per ton of coke will be controlled below 2.5 cubic meters, and the utilization rate of coke oven gas will reach above 95.
The rising prices of energy and other raw materials for production and the promotion of energy-saving and emission-reduction policies will inevitably stimulate and promote the rapid development of alternative energy industries, renewable energy industries and various energy-saving technologies. In the new round of industrial restructuring that is being carried out in Shanxi Province, comprehensive planning has been made on the pollution control, industrial upgrading, and capital operation of the Shanxi coke industry. In the "Eleventh Five-Year Plan" of Shanxi, it is clearly stated that coal chemical industry ranks first in the new four pillar industries. Shanxi is being transformed from a coal province to a coal chemical province. The province has set a 100 billion yuan plate. Without deep processing and high added value, this 100 billion yuan is almost impossible to achieve. Shanxi Province plans to use coke oven gas to produce methanol-gasoline. Shanxi should be built into the country's largest methanol-gasoline production base. At least 8 million tons of methanol will be produced each year, worth about 15 billion yuan.
Whoever "reforms" faster who develops Under the pressure of energy conservation and emission reduction, coking companies begin to realize that only coke is not enough. The fundamental way out for the development of the coke industry is to extend the industrial chain, implement deep processing, and develop follow-up industries.
According to report, the first step in this area is the Shanxi Coking Group. At the beginning of the “10th Five-Year Planâ€, Shanjiao Group set its sights on solving the problem of “not focusing on cokeâ€. They invested 890 million yuan to build 300,000 tons/year on the basis of the original coal tar processing capacity of 50,000 tons. Coal tar processing project. They invested nearly 100 million yuan to purchase the core system tar distilling equipment from the French IRH company, invested 5 million yuan to import super centrifuges from the German Foreverite company, and adopted Honeywell’s computer distributed control system from the United States. Remote operation can be achieved, which not only improves the operation accuracy but also reduces the labor intensity. The first phase of the project also uses closed-circuit technology, waste gas, wastewater, waste residue treatment, discharge standards, and ultimately achieve zero pollution and zero emissions. This project is a coal tar processing device with the largest single processing capacity, multiple product types, advanced technology, complete environmental protection facilities, and high degree of automation. The first phase of the commissioned test has invested 550 million yuan, has 7 sets of production devices, and has 17 kinds of products with good market prospects. The annual sales revenue is up to 540 million yuan and the profit is 110 million yuan. After the second phase of the project has been put into operation, there will be 32 kinds of products, annual sales income will reach 710 million yuan, and profit will be 140 million yuan. The main production facilities and public auxiliary facilities produce 32 kinds of products including phenols, pyridine quinolines, naphthalenes, washing oils, oyster sauces, modified asphalts and various oils. The commissioning of these products has filled the gap in Shanxi's "focus only."
At present, the large-scale centralized processing of coal tar in Shanxi Province is underway. A number of large-scale centralized processing facilities are under construction. Among them, Shanxi Jiaocheng Hongte Coal Chemical Co., Ltd. has completed and put into production equipment with a single machining capacity of 150,000 tons/year, and it is constructing a production unit with a single machining capacity of 200,000 tons/year. The device has developed more than 20 kinds of fine chemical products and important chemical raw materials such as light oil, crude phenol, mixed oleoresin, and formulated asphalt from coal tar. It will also develop chemical raw materials such as crude guanidine, refined lanthanum, hydrazine, pyridine, and carbazole to form coal tar product series; develop high-softening point special asphalt, low-softening point special asphalt, impregnated asphalt for carburizing, carbon fiber products Aluminum, steel, refractories, waterproof building materials, carbon, aerospace and other industries. The high-polluted tail gas and tar that make local coking companies very headaches have become valuable chemical products.
Shanxi Jinjing Coking Co., Ltd. 330,000 tons/year (phase 1 165 thousand tons/year) tar processing project was successfully put into production. This is the second large-scale tar processing enterprise in Shanxi Province and also one of the few 300,000 tons in China. Tar processing project. Taihua Group also responded to market demand by focusing on coking and coking to expand coke deep-processing targets, and started construction of 300,000 tons/year of crude benzene hydrorefining, 300,000 tons/year of tar processing and 800,000 tons of coke oven technology. The "3380" project was changed. In addition, about 10 small coal tar processing units of 50,000 to 100,000 tons/year have been built and are under construction in Taiyuan, Xiaoyi, Jiexiu, Jiaokou, Hongdong, Jixian, and Hejin, and their development momentum has increased. Less.
The ammonium sulfate production process of the Shanxi Coke Group adopts advanced spray-type saturated absorption method and uses sulfuric acid to absorb ammonia from coal gas. Its main uses are agricultural fertilizers and industrial raw materials such as chemical industry, dyeing and weaving, medicine and leather. The market prospects are broad. This product, which was once unsuccessful in its delivery, was improperly handled and prone to pollution, has created considerable sales revenue for the company. Shanxi Changzhi Yubao Coke Group toppled two coke ovens and launched methanol and other environmental protection projects. Linfen City built 9 sets of coke oven chemical recovery facilities, and 38 large-scale coke oven coke ovens achieved recycling. The chemical products recovered from coke oven gas by Shanxi Donghui Group are the important raw materials for 3D organic chemical and fine chemical industries. The two companies at the beginning of the year proposed an overall development plan for the coking recycling economy. As the market matures, the coke industry has used its own advantages to develop deep processing of coal. Especially in the context of energy shortages in recent years, coke enterprises have turned to the coal chemical industry, changing the “coking alone†in Shanxi Province, extending the coking industrial chain, increasing the added value of products, converting to fine processing, and increasing domestic and foreign tars. The supply of deep-processed products will play a decisive role.
Experts pointed out that changing the coke industry's long-standing “only cokeâ€, from coking to coal chemical development, is equal to entering the chemical industry. In the future, the development of coke enterprises will continue to extend the industrial chain, develop deep processing of coke product recovery, deep processing of coal tar, and production of methanol and dimethyl ether from coke oven gas. This is the possible way to bid farewell to "only focus on".
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