THERMAL STORAGE TYPE BURNING FACILITY

• Main Author: KAWAMOTO YUSAKU
• Format: Patent
• Language: English; Japanese
• Published: 05.08.2022
• Subjects: AIR; AIR SUPPLY; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DRAUGHT-INDUCING; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS; WEAPONS

To provide a storage type burning facility where burning and heat storage are alternately switched in a pair of storage type burning devices, in which the generation of nitrogen oxide NOx is suppressed upon burning of ammonia as a fuel and the exhaust of NOx and unburnt ammonia NH3 to the outside is easily prevented.SOLUTION: In a heat storage type burning facility where burning and heat storage are alternately switched in a pair heat storage type burning devices 10a, 10b, ammonia NH3 is used as a fuel, and intake and exhaust 12a, 12b parts in the respective heat storage type burning devices are provided with air feed nozzles 14a, 14b for treatment feeding air for burning, and in the heat storage type burning device on the side of burning, ammonia is burnt in such a manner that the air ratio μ of air for burning to be mixed with ammonia is controlled to 1 or less, and on the other hand, the intake and exhaust parts of the respective heat storage type burning devices on the side of heat storage are fed with air for burning from the air feed nozzles for treatment.SELECTED DRAWING: Figure 1 【課題】 対になった蓄熱式燃焼装置において燃焼と蓄熱とを交互に切り換える蓄熱式燃焼設備において、燃料のアンモニアの燃焼時に窒素酸化物NOxが発生するのを抑制し、NOxや未燃焼のアンモニアNH3が外部に排出されるのを簡単に防止する。【解決手段】 対になった蓄熱式燃焼装置10a,10bにおいて燃焼と蓄熱とを交互に切り換える蓄熱式燃焼設備において、燃料にアンモニアNH3を用い、各蓄熱式燃焼装置における給排気部12a,12bに燃焼用空気を供給する処理用空気供給ノズル14a,14bを設け、燃焼側の蓄熱式燃焼装置において、アンモニアと混合させる燃焼用空気の空気比μを１以下にしてアンモニアを燃焼させる一方、蓄熱側の蓄熱式燃焼装置における給排気部に処理用空気供給ノズルから燃焼用空気を供給するようにした。【選択図】 図１