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High-Temperature Online Reforming of Converter Gas with Coke Oven Gas

机译：焦炉气体转炉气体的高温联网改革

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摘要

A large amount of by-product gas containing abundant physical heat and excessive quantity of carbon dioxide (CO_2) is generated during the iron and steel production. Through the high-temperature online reforming of the by-product gas with coke oven gas, generated physical heat and CO_2 can be completely utilized to achieve efficient use of energy and reduction of CO_2 emission, respectively, and high-quality chemical synthesis gas can be acquired simultaneously. The thermodynamic behavior of the reforming of converter gas with coke oven gas was analyzed based on Gibbs energy minimization method. The thermodynamic calculation model was proposed and utilized to describe the effect of temperature, pressure, and ratio of converter gas to coke oven gas on conversion rate of CO_2 and methane (CH_4) and ratio of H_2 to CO of the product gas. High temperature and low pressure were found to be the favorable thermodynamic condition for reforming process. Ratio of H_2 to CO of product gas was significantly influenced by initial composition of reactant gases. Moreover, the reforming reaction was investigated by performing the mixed reforming experiments under the condition of high temperature to provide theoretical and experimental basis for the realization of industrialization.
机译：在钢铁生产期间，产生含有丰富物理热量和过量二氧化碳（CO_2）的大量副产物气体。通过具有焦炉气体的副产气的高温在线改造，可以完全利用生成的物理热量和CO_2来实现能量和减少CO_2排放的能量和减少，以及高质量的化学合成气体同时获得。基于GIBBS能量最小化方法，分析了通过焦炉气体改造转换器气体的热力学行为。提出并利用热力学计算模型来描述转化器气体的温度，压力和比率与焦化炉气体对CO_2和甲烷（CH_4）的转化率和产物气体的比例的影响。发现高温和低压是改革过程的有利热力学条件。通过反应气体的初始组成显着影响产物气体的H_2至CO的比例。此外，通过在高温条件下进行混合重整实验来研究重整反应，为实现工业化的理论和实验依据。

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