Synthetic ammonia device utilizing coke oven gas

• Main Authors: DU PENGJU, JIA GENGYAN, YANG TAO, DU DAYAN
• Format: Patent
• Language: Chinese; English
• Published: 04.11.2022
• Subjects: AMMONIA; CHEMISTRY; COMPOUNDS THEREOF; CYANOGEN; INORGANIC CHEMISTRY; METALLURGY

The utility model discloses an ammonia synthesis device utilizing coke oven gas. The ammonia synthesis device comprises a coke oven, a desulfurization device, a hydrogen extraction device and an ammonia synthesis device which are sequentially communicated, the hydrogen extraction device is provided with a tail gas output pipe which is communicated with the coke oven, and tail gas after hydrogen extraction is returned to the coke oven to provide fuel, so that the energy consumption can be effectively reduced, and sustainable operation of the device is ensured; the flue gas pipe is communicated with the tail gas output pipe, so that tail gas and flue gas are blended, adaptive adjustment of the heat value is achieved, production of an original coke oven is not changed or affected, and reliability is high. 本实用新型公开了一种利用焦炉煤气的合成氨装置，包括依次连通的炼焦炉、脱硫装置、提氢装置和合成氨装置；所述提氢装置设尾气输出管与炼焦炉连通，将提氢后的尾气返回至炼焦炉中提供燃料，可有效降低能耗并保证了装置的可持续化进行；通过烟气管与尾气输出管连通实现尾气与烟气共混实现热值的适应性调整，不改变也不影响原炼焦炉的生产，可靠性强。