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Ash fusion coal gasification technology is a new type of coal gasification technology developed in the early 1990s in China. There is no precedent at home and abroad. This technology has the characteristics of strong adaptability of coal, low investment, etc. In 2001, the demonstration of atmospheric pressure industrial equipment was successful. To meet the demand for large-scale coal gasification technology and accelerate the scale-up of this technology, in April 2005, approved by the Shanxi Provincial Development and Reform Commission, Shanxi Jincheng Anthracite Mining Group and the Shanxi Coal Chemistry Research Institute of the Chinese Academy of Sciences jointly established pulverized coal gasification in Shanxi Province. Engineering Research Center. The center invested 35 million yuan to build a semi-industrial pressurized ash fusion technology platform by the end of 2006. It began to ignite on December 11, 2007, and then it was tested for 72 hours. The experiment was completed on the afternoon of the 15th. During the operation, leaders and experts from the Development and Reform Commission of Shanxi Province, the Economic Commission, the Chemical Industry Office, the Second Design Institute of Chemical Industry, and Sinopec Engineering Construction Co., Ltd. conducted observation and guidance at the site.
It is understood that the operation conditions of the semi-industrial pressurized ash fusion coal gasification technology platform are the same as those of the industrial production equipment. The whole process data obtained by the experiment can be used as the engineering design basis for industrial gasification equipment. The technical platform design pressure is 1 to 3 MPa. In 2008, it will gradually complete the higher pressure gasification test task.
The reporter interviewed Ma Xiaoyun, chief engineer of the coal gasification engineering research center of the Institute of Coal Chemistry of the Chinese Academy of Sciences at the experimental site. He said that this pressurized gasification test, the entire process of stable operation for 76 hours, the daily processing capacity of 60 tons of coal, the main technical indicators have reached the design requirements, completed the gasifier pressure amplification design and engineering verification of supporting key equipment. Calculated according to the test results, the daily processing capacity of a 1 MPa industrial-scale gasifier will be increased from 100 tons under normal pressure to 500-600 tons, and a single furnace may be matched with 100,000-12.20 million tons of ammonia per year. In addition, the coal gasification system can reduce the compression energy consumption of synthetic gas by 50%, which can provide coal gasification process technology and equipment for many small and medium-sized chemical fertilizer enterprises in China.
On December 18th, the reporter learned from the Coal Gasification Engineering Research Center of the Shanxi Coal Chemistry Research Institute of the Chinese Academy of Sciences that the ash-convergence coal gasification technology with complete independent intellectual property rights in China completed a 72-hour pressure gasification test on a semi-industrial experimental device in Taiyuan. Operation indicates that the technology has already met the conditions for industrial demonstration. This is another difficulty for China's coal gasification technology on the road to independent innovation.
September 22, 2024