Coal and ammonia co-combustion burner for corner tangential coal-fired boiler

• Main Authors: TAN HOUZHANG, CUI BAOCHONG, YANG WENJUN, ZHOU SHANGKUN, WANG XUEBIN
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: AIR; AIR SUPPLY; BLASTING; BURNERS; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DRAUGHT-INDUCING; FEEDING FUEL TO COMBUSTION APPARATUS; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS; WEAPONS

The invention belongs to the field of combustion equipment and technology, and discloses a coal and ammonia co-combustion burner for a corner tangential coal-fired boiler, which comprises a central air pipe, and a primary air sleeve and a peripheral air sleeve are sequentially sleeved outside the central air pipe; a bluff body supporting column is arranged in the central air pipe, a plurality of axial rotational flow blades are arranged on the bluff body supporting column, a stable combustion bluff body is arranged at the air outlet end of the central air pipe, a plurality of ammonia spraying pipes are arranged at the air inlet end of the primary air sleeve, a flow guide plate and a primary air supporting plate are fixedly arranged in the primary air sleeve, and the flow guide plate is arranged in the axial direction of the central air pipe. The primary air sleeve is connected with the central air pipe through a primary air supporting plate; a peripheral air volute is arranged at the air inlet end of the peri