Hydrogen and gas fired boiler with gradually-expanded combustion chamber internally provided with radiation evaporation tube bundle

• Main Authors: LIU XIWEN, SUN YUJIAN, ZHANG WEIBAO
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; STEAM BOILERS; STEAM GENERATION; WEAPONS

The utility model discloses a hydrogen and gas fired boiler with a divergent combustion chamber containing a radiation evaporation tube bundle, which comprises the divergent combustion chamber, the divergent combustion chamber comprises a diffusion combustion chamber, a pressure stabilizing combustion chamber and a backdraft burnout chamber, the diffusion combustion chamber, the pressure stabilizing combustion chamber and the backdraft burnout chamber are communicated with one another, a gas inlet is formed in the diffusion combustion chamber, and a gas outlet is formed in the backdraft burnout chamber; a smoke circulation opening is formed in the backdraft burnout chamber, a radiation backflow screen is arranged in the smoke circulation opening, and a radiation evaporation tube bundle I and a radiation evaporation tube bundle II are arranged in the pressure stabilizing combustion chamber. The circulating pipe comprises a downcomer I and a downcomer II, one end of the downcomer I is communicated with the lowe