China Drying Network News learned from the Technical Center of Sai Ding Engineering Co., Ltd. that the company's carbon flow value is shared with Sichuan Dazhou Iron and Steel Group Co., Ltd., Sichuan Daxing Energy Co., Ltd. and Sichuan Tianyi Science and Technology Co., Ltd. Optimize the research and application projects of integrated technologies, and pass the scientific and technological achievements appraisal organized by Sichuan Science and Technology Department. Experts believe that the results of the first domestic and international leader.
In 2011, the 100,000 ton/year methanol plant equipped with converter gas for coke oven gas designed by Sai Ding was successfully tested at one time, and 2840 standard cubic meters of converter gas was replenished per hour. The production and operation were stable during the year. It is understood that this technology adopts variable temperature adsorption for the first time to purify the converter gas process. For the first time, the partial oxidation reforming process of pressurized pure oxygen is used for the conversion of coke oven gas and converter gas to methane, and for the first time, the mixture gas of coke oven gas and converter gas is taken as The raw material gas synthesized from methanol is used to obtain qualified methanol, which solves the key technical difficulties such as effective removal of sulfur, phosphorus, arsenic, fluorine and other harmful impurities in the converter gas and efficient conversion of the mixture gas. This technology is an effective use of surplus coke-oven gas and converter gas for steel companies. The value has been increased, and new approaches have been developed that have significant economic, environmental, and social benefits.
Compared with coal and natural gas to methanol, coke oven gas produces methanol with low cost and strong competitiveness, while coke oven gas with converter gas produces methanol with lower overall energy consumption, lower cost, and stronger competitiveness. China is a major producer of steel. A large amount of converter gas is used as exhaust gas. Some of the recovered converter gas can only be used as auxiliary fuel, which wastes resources and pollutes the environment. The carbon stream value optimization and integration technology of iron and steel enterprises utilizes the coke oven gas produced by the coking plant of Da Steel Co., Ltd. and the converter gas produced from the steelmaking converter to produce methanol. It is the first time that domestic and international industrial engineering technologies have been applied to innovate coke oven gas and converters. Gas comprehensive utilization of new technologies has enabled the efficient and efficient use of carbon-containing waste gas.
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