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On August 9th, the reporter learned from the Second Design Institute of the Chemical Industry that the design of the reforming and expansion project of Toluene Diisocyanate (TDI) of Bluestar Taiyuan Chemical Co., Ltd., which is known as the fourth oldest producer of TDI in China, has been successfully completed. The production load has reached 90%. Above, the product quality has reached the international level of similar products. This set of "three-year construction, three-year test, five-year shock," the introduction of the device, after all the hardships not only revived, and the original design of an annual output of 20,000 tons of production capacity has also expanded to 30,000 tons, has become China's TDI device obtained New record.
The Taiyuan TDI device was one of the three devices introduced by the country in order to break the foreign monopoly on TDI products and technologies in the late 1980s. It invested more than 200 million yuan and produced 20,000 tons annually. It was once listed as a national key technology reform project. It was started construction in 1990, completed at the end of 1993, and started trial operation at the beginning of 1994. But in the next 3 years, 120 million yuan was invested and the production process was not opened. In 1996 it was forced to terminate the test. By 2001, the total assets (liabilities and equity) of the device exceeded RMB 1.2 billion, which exceeded the contract period with foreign engineering companies. Someone in the industry suggested that the project be scrapped.
In 2002, China Bluestar (Group) Corporation merged with Taiyuan TDI and established Bluestar Taiyuan Chemical Co., Ltd. At the end of the year, the Second Design Institute of Chemical Industry accepted the reform and expansion design work, and determined that the original annual production capacity of 20,000 tons was expanded to 30,000 tons. Through the introduction of technology and the introduction of equipment for more than 400 domestic production of more than 400 technical transformation, in March 2005 to open up the process. Due to the complex chemical reaction of TDI, high degree of automation and difficulty in control, the process medium is characterized by high toxicity, flammability, explosiveness, easy blocking, and easy corrosion, and the original device is put on hold for too long. After more than one year of trial production After finishing and improving, it finally reached stable production in the near future.
TDI is a contemporary high-tech, high value-added product. At present, the annual production of TDI in the world is about 1.5 million tons, which is mainly concentrated in a few developed countries. At present, there are 4 sets of TDI devices in the country, with an annual production capacity of only 120,000 tons, while the domestic annual consumption exceeds 300,000 tons. Above: The Taiyuan TDI master device that was not put into operation in 1993 was completed. The following figure: Taiyuan TDI master device after rectification and expansion.
The Taiyuan TDI device was one of the three devices introduced by the country in order to break the foreign monopoly on TDI products and technologies in the late 1980s. It invested more than 200 million yuan and produced 20,000 tons annually. It was once listed as a national key technology reform project. It was started construction in 1990, completed at the end of 1993, and started trial operation at the beginning of 1994. But in the next 3 years, 120 million yuan was invested and the production process was not opened. In 1996 it was forced to terminate the test. By 2001, the total assets (liabilities and equity) of the device exceeded RMB 1.2 billion, which exceeded the contract period with foreign engineering companies. Someone in the industry suggested that the project be scrapped.
In 2002, China Bluestar (Group) Corporation merged with Taiyuan TDI and established Bluestar Taiyuan Chemical Co., Ltd. At the end of the year, the Second Design Institute of Chemical Industry accepted the reform and expansion design work, and determined that the original annual production capacity of 20,000 tons was expanded to 30,000 tons. Through the introduction of technology and the introduction of equipment for more than 400 domestic production of more than 400 technical transformation, in March 2005 to open up the process. Due to the complex chemical reaction of TDI, high degree of automation and difficulty in control, the process medium is characterized by high toxicity, flammability, explosiveness, easy blocking, and easy corrosion, and the original device is put on hold for too long. After more than one year of trial production After finishing and improving, it finally reached stable production in the near future.
TDI is a contemporary high-tech, high value-added product. At present, the annual production of TDI in the world is about 1.5 million tons, which is mainly concentrated in a few developed countries. At present, there are 4 sets of TDI devices in the country, with an annual production capacity of only 120,000 tons, while the domestic annual consumption exceeds 300,000 tons. Above: The Taiyuan TDI master device that was not put into operation in 1993 was completed. The following figure: Taiyuan TDI master device after rectification and expansion.
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