Air distribution and deslagging structure for solid waste or biomass boiler

• Main Authors: HUANG LEI, YUAN QIANG, LU ZHAODAN
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2022
• Subjects: AIR SUPPLY; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DRAUGHT-INDUCING; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS; WEAPONS

The invention relates to the technical field of circulating fluidized bed boilers, in particular to an air distribution and slag discharge structure for a solid waste or biomass boiler, which can effectively discharge impurities and ensure the fluidization effect of the boiler, and comprises an air distribution plate arranged at the bottom of a hearth, a slag falling opening is formed in the center position of the air distribution plate, the slag falling opening is connected with a slag discharging pipe, and the air distribution plate is characterized in that the air caps comprise mushroom-shaped air caps and duckbilled air caps, the duckbilled air caps are arranged in the peripheral area of the slag falling opening, the mushroom-shaped air caps are arranged in the other area of the air distribution plate, and the duckbilled air caps are arranged in the peripheral area of the slag falling opening. A flat air outlet of the duckbilled air cap faces the slag falling opening; and with the slag falling opening as