Shanxi Coking Chemical Co., Ltd. shut down crude benzene refining maleic anhydride device in advance 3 years in advance
At the beginning of the new year, it was exactly the time for the company to resume and expand production. The Shanxi Coking Chemical Co., Ltd. decided to shut down the Coking Plant for the first time in two years. With regard to this "abnormal" decision, the factory employees ran and told each other and clapping. Why is this? Recently, the reporter conducted an interview.
This happened after one day: At the end of last year, the company’s chairman and party secretary Pan Deguo watched the production of maleic anhydride production workers wearing gas masks in the company’s internal television news. He was stung by the harsh working conditions of front-line workers. . He immediately instructed the managers of the joint stock company to carry out a special survey on maleic anhydride shutdown and requested that the existing production facilities be stopped as soon as possible.
At the twenty-second meeting of the Fourth Session of the Board of Directors of Shanxi Coking Chemical Co., Ltd. held on January 3 this year, Pan Deguo proposed that the manager of the joint stock company conduct a special investigation on the parking of the two benzene and maleic anhydride plants. On January 7, Yang Qingmin, general manager of the company, chaired a special meeting on the parking of two benzene and maleic anhydride devices. It conducted a comprehensive analysis of production costs, environmental protection, and safety, and decided to close down the crude benzol washing plant at Shanxi Coking Group in advance. Refined, maleic anhydride two sets of production equipment. According to the company’s original plan, the two sets of equipment had to be shut down after the 100,000 tons/year benzene hydrogenation project was completed three years later. On January 15th, the Coking Plant No. 1 crude benzene washing and refining, maleic anhydride two sets of equipment began to stop, and the equipment that had been running for 28 years in the two-benzene plant had withdrawn from the historical stage.
Workers said that the refinement of crude benzene and shutting down of the maleic anhydride device were implemented within a short period of 12 days, indicating that the company placed the health and safety of its employees at the top of the list. Pan Deguo said that safety production is the greatest interest of employees and is also the basis and prerequisite for all the work of the company. Enterprises must take the top priority in eliminating accidents and protecting the lives and health of employees. Only in this way will the company's sustained and rapid development have a safe and stable environment. If the company adheres to the "people-oriented" approach, it must truly care for its employees, improve their working environment and working conditions, care about their thinking and life, and create a harmonious work environment so that they can concentrate on working wholeheartedly.
According to reports, coking crude benzene refining is one of the basic technologies of coal chemical industry. Shanxi is the largest producer of coking crude benzene in China, and its output accounts for about one-fifth of the country's total. At present, domestic small-scale crude benzene refining devices mostly use pickling process. Acid-washing production equipment has less investment, quick effect and easy construction. However, the benzene produced by the acid cleaning process is of low purity, and cannot effectively separate toluene and xylene. It is unable to achieve effective separation of various chemical products and discharge of environmental protection standards. Moreover, the product quality is poor, the production cost is high, and the sales price does not go up. . More importantly, a large amount of unprocessable acid tar is produced in the production process, which seriously pollutes the environment.
Shanjia's two-benzene workshop crude benzene refining plant was put into production in 1980, with an annual processing capacity of 18,000 tons. The maleic anhydride device was put into production in April 2000. It has expanded production from an initial annual output of 3,500 tons to the current annual production capacity of 7,000 tons. Both sets of devices have made outstanding contributions to the growth of the company's economic efficiency, but they are all adopting a pickling refining process. The recovery rate of "triphenyl" (benzene, toluene, and xylene) is only 79.85%. The industry's advanced crude benzene hydrorefining technology can recover more than 90% of the "triphenyl". In addition, its process is backward and the environmental protection problem is serious. It belongs to the national elimination process.
In the 28 years since the two benzene workshops were put into operation, many of the equipments have been aged and corroded, and there have been many accidental hidden dangers and the safety risks are high. Although in recent years, thanks to the strict management of the company and the workshop, production has been able to run safely and stably. However, in the event of an accident, the consequences would be disastrous. In recent years, there have been many domestic lessons. Shanjia Company believes that although the production and sales of maleic anhydride in the company reached the highest level in 2007, shutting down these devices in advance will completely eradicate the hidden dangers of safety accidents and the threat to the health of employees, which is in line with the interests of the company's long-term development.
After shutting down the crude benzoic acid washing and refining device, the new project of 100,000 tons/year crude benzene hydrofining and upgrading of Shanjia Co., Ltd. was accelerated. The project follows the new trend of crude benzene processing technology and adopts the advanced technology of crude benzene low-temperature hydrogenation refining. It conforms to national environmental protection policies and market requirements. The recovery rate of “triphenyl†can reach more than 90%, and the utilization rate of resources can be improved by 10%. Percentage. After the project is completed, it will enable Shanjia Company to have annual production capacity of 69,750 tons of high-purity benzene, 15,100 tons of high-purity toluene, and 5,100 tons of xylene. The average annual sales income will be approximately 800 million yuan, and the total annual profit will be approximately 1. 300 million yuan. More importantly, its environmental protection benefits are obvious. The environmental problems and safety hazards that existed before the device was shut down no longer exist, and employees can work without wearing gas masks.
Employees said that with the rapid development of the company and the transformation of industrial upgrading, the closure of these devices is a matter of time, but now closed in advance, reflects the company's people-oriented, concerned about employees, care for employees consistent purpose.
In the face of all this, the company employees heartily praised: “I contribute to the enterprise, and the company keeps me healthy!â€
This happened after one day: At the end of last year, the company’s chairman and party secretary Pan Deguo watched the production of maleic anhydride production workers wearing gas masks in the company’s internal television news. He was stung by the harsh working conditions of front-line workers. . He immediately instructed the managers of the joint stock company to carry out a special survey on maleic anhydride shutdown and requested that the existing production facilities be stopped as soon as possible.
At the twenty-second meeting of the Fourth Session of the Board of Directors of Shanxi Coking Chemical Co., Ltd. held on January 3 this year, Pan Deguo proposed that the manager of the joint stock company conduct a special investigation on the parking of the two benzene and maleic anhydride plants. On January 7, Yang Qingmin, general manager of the company, chaired a special meeting on the parking of two benzene and maleic anhydride devices. It conducted a comprehensive analysis of production costs, environmental protection, and safety, and decided to close down the crude benzol washing plant at Shanxi Coking Group in advance. Refined, maleic anhydride two sets of production equipment. According to the company’s original plan, the two sets of equipment had to be shut down after the 100,000 tons/year benzene hydrogenation project was completed three years later. On January 15th, the Coking Plant No. 1 crude benzene washing and refining, maleic anhydride two sets of equipment began to stop, and the equipment that had been running for 28 years in the two-benzene plant had withdrawn from the historical stage.
Workers said that the refinement of crude benzene and shutting down of the maleic anhydride device were implemented within a short period of 12 days, indicating that the company placed the health and safety of its employees at the top of the list. Pan Deguo said that safety production is the greatest interest of employees and is also the basis and prerequisite for all the work of the company. Enterprises must take the top priority in eliminating accidents and protecting the lives and health of employees. Only in this way will the company's sustained and rapid development have a safe and stable environment. If the company adheres to the "people-oriented" approach, it must truly care for its employees, improve their working environment and working conditions, care about their thinking and life, and create a harmonious work environment so that they can concentrate on working wholeheartedly.
According to reports, coking crude benzene refining is one of the basic technologies of coal chemical industry. Shanxi is the largest producer of coking crude benzene in China, and its output accounts for about one-fifth of the country's total. At present, domestic small-scale crude benzene refining devices mostly use pickling process. Acid-washing production equipment has less investment, quick effect and easy construction. However, the benzene produced by the acid cleaning process is of low purity, and cannot effectively separate toluene and xylene. It is unable to achieve effective separation of various chemical products and discharge of environmental protection standards. Moreover, the product quality is poor, the production cost is high, and the sales price does not go up. . More importantly, a large amount of unprocessable acid tar is produced in the production process, which seriously pollutes the environment.
Shanjia's two-benzene workshop crude benzene refining plant was put into production in 1980, with an annual processing capacity of 18,000 tons. The maleic anhydride device was put into production in April 2000. It has expanded production from an initial annual output of 3,500 tons to the current annual production capacity of 7,000 tons. Both sets of devices have made outstanding contributions to the growth of the company's economic efficiency, but they are all adopting a pickling refining process. The recovery rate of "triphenyl" (benzene, toluene, and xylene) is only 79.85%. The industry's advanced crude benzene hydrorefining technology can recover more than 90% of the "triphenyl". In addition, its process is backward and the environmental protection problem is serious. It belongs to the national elimination process.
In the 28 years since the two benzene workshops were put into operation, many of the equipments have been aged and corroded, and there have been many accidental hidden dangers and the safety risks are high. Although in recent years, thanks to the strict management of the company and the workshop, production has been able to run safely and stably. However, in the event of an accident, the consequences would be disastrous. In recent years, there have been many domestic lessons. Shanjia Company believes that although the production and sales of maleic anhydride in the company reached the highest level in 2007, shutting down these devices in advance will completely eradicate the hidden dangers of safety accidents and the threat to the health of employees, which is in line with the interests of the company's long-term development.
After shutting down the crude benzoic acid washing and refining device, the new project of 100,000 tons/year crude benzene hydrofining and upgrading of Shanjia Co., Ltd. was accelerated. The project follows the new trend of crude benzene processing technology and adopts the advanced technology of crude benzene low-temperature hydrogenation refining. It conforms to national environmental protection policies and market requirements. The recovery rate of “triphenyl†can reach more than 90%, and the utilization rate of resources can be improved by 10%. Percentage. After the project is completed, it will enable Shanjia Company to have annual production capacity of 69,750 tons of high-purity benzene, 15,100 tons of high-purity toluene, and 5,100 tons of xylene. The average annual sales income will be approximately 800 million yuan, and the total annual profit will be approximately 1. 300 million yuan. More importantly, its environmental protection benefits are obvious. The environmental problems and safety hazards that existed before the device was shut down no longer exist, and employees can work without wearing gas masks.
Employees said that with the rapid development of the company and the transformation of industrial upgrading, the closure of these devices is a matter of time, but now closed in advance, reflects the company's people-oriented, concerned about employees, care for employees consistent purpose.
In the face of all this, the company employees heartily praised: “I contribute to the enterprise, and the company keeps me healthy!â€
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