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Integrated Power and Chemical Accumulation of High-Temperature Gaseous Waste from Industrial Installations

机译：工业设施中高温气体废物的集成功率和化学积累

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Abstract— Electricity generation with the use of secondary energy resources emerging as a by-product of industrial technologies is one of the promising lines for making the Russian power industry more efficient. The secondary energy resources produced during operation of some industrial installations (primarily the heat of high-temperature gaseous waste) have a significant potential for electricity generation. Apart from being efficiently used, this potential can also be further increased by subjecting the thermal and material flows of gaseous waste to integrated power and chemical accumulation on the basis of natural gas endothermic conversion reactions, with the high-temperature gaseous waste serving as an oxidizer and a heat source for the conversion. Mathematical models of industrial installations equipped with conversion reactors for carrying out integrated power and chemical accumulation are developed and investigated. An oxidizer consumption coefficient for the conversion process is used in the models, and the method for calculating it is described. The increase of secondary fuel chemical energy obtained for an industrial fuel installation in comparison with the converted natural gas is quite essential, making around 14%. With such an arrangement, the entire flow of gaseous waste becomes a high-quality secondary fuel. At the same time, the possibilities of decreasing the consumption of oxidizer for the conversion process to the optimal value equal to 1.0 are rather limited: its level should be no less than 3.0. The use of integrated power and chemical accumulation under the conditions of a fuel-free basic-oxygen converter is possible with the oxidizer consumption ratio for the conversion process down to 1.4, a level closer to its optimal value. The possibility to recycle in the integrated power and chemical accumulation process approximately 32% of the heat of gaseous waste with the entire mass flowrate of converter gas transformed into high-quality secondary fuel with a heat capacity of 2155°С is demonstrated. The use of integrated power and chemical accumulation in the basic oxygen furnace technology can make it possible to obtain an essential gain in the electricity generation potential in comparison with the direct use of natural gas for electricity generation purposes.
机译：随着工业技术副产品的副产品使用二次能源资源的抽象发电是使俄罗斯电力行业更高效的有希望的线条之一。在一些工业装置的运行期间产生的二级能量资源（主要是高温气体废物的热量）对发电具有显着的发电潜力。除了有效使用外，还可以通过在天然气吸热转化转化反应基于天然气吸热转化转化反应基础上对气态废物的热和材料流动进行热量和材料流动，进一步增加这种潜力，用作氧化剂的高温气态废物和转换的热源。开发并调查配备有用于开展集成功率和化学积累的转换反应器的工业装置的数学模型。在模型中使用转换过程的氧化剂消耗系数，并描述了计算方法的方法。与转化的天然气相比，为工业燃料安装而获得的二级燃料化学能量的增加非常重要，制作左右14％。利用这种布置，气体废物的整个流动成为高质量的二级燃料。同时，将氧化剂消耗降低转化过程的可能性相当有限：其水平应不小于3.0。在无燃料碱性氧气转换器的条件下，使用氧化剂消耗比转换为1.4的氧化剂消耗比，使用集成功率和化学积累，较近其最佳值的水平。在集成功率和化学积聚过程中回收的可能性大约32％的气体废物热量随着转换器气体的整个质量流量转换成高质量的二次燃料，得到2155°С的热量。与基本氧气炉技术中的综合电力和化学积累的使用可以使可以获得发电潜力的基本增益，与直接使用天然气用于发电目的。

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