Furnace flue gas carbon dioxide capturing and utilizing integrated system

• Main Authors: CAO XIANCHANG, SUN NANNAN, YU FENG, SHEN LEI, CHEN CHI
• Format: Patent
• Language: Chinese; English
• Published: 15.11.2022
• Subjects: BLASTING; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE; FURNACES; HEATING; KILNS; LIGHTING; MECHANICAL ENGINEERING; OVENS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; RETORTS; SEPARATION; TRANSPORTING; WEAPONS

The invention provides a furnace flue gas carbon dioxide capture and utilization integrated system which comprises a furnace, a carbon dioxide capture and utilization integrated device and an induced draft fan, and the furnace, the carbon dioxide capture and utilization integrated device and the induced draft fan are circularly connected through a flue gas pipeline to form a flue gas treatment circulation loop; in the carbon dioxide capturing and utilizing integrated device, flue gas exhausted from the furnace kiln reacts with hydrogen entering the carbon dioxide capturing and utilizing integrated device under the action of a catalyst, nitrogen, water and combustible mixed gas are exhausted, and the mixed gas enters the furnace kiln again under the pumping of an induced draft fan. 本发明提供了一种炉窑烟气二氧化碳捕集利用一体化系统，包括炉窑、二氧化碳捕集利用一体化装置和引风机，所述炉窑、所述二氧化碳捕集利用一体化装置和所述引风机通过烟气管道循环连接形成烟气处理循环回路；在所述二氧化碳捕集利用一体化装置内，从所述炉窑排出的烟气与进入所述二氧化碳捕集利用一体化装置内的氢气，在催化剂的作用下发生反应，排出氮气、水分和可燃的混合气，所述混合气在引风机的抽送下再次进入到所述炉窑内。