Dust removal and denitration integrated secondary cyclone separation solid waste circulating fluidized bed boiler

• Main Authors: ZHANG LIHUA, LU ZHAODAN, JIN LIANG
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2024
• Subjects: AIR; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; WEAPONS

The invention relates to the technical field of circulating fluidized bed boilers, in particular to a dedusting and denitration integrated two-stage cyclone separation solid waste circulating fluidized bed boiler, which reduces the cost under the condition of ensuring the denitration efficiency and the emission standard, and comprises a hearth, the upper part of the hearth is connected with a first-stage cyclone separator, and the lower part of the hearth is connected with a second-stage cyclone separator; an empty flue, an ascending flue and a descending flue are sequentially arranged at the rear end of the primary cyclone separator, an SCR denitration catalyst is arranged in the descending flue, a secondary cyclone separator is arranged between the ascending flue and the descending flue, and a rectifying grid is arranged in an inlet of the descending flue; an SCR (Selective Catalytic Reduction) reserved space is arranged in the descending flue and can accommodate two layers of SCR denitration catalysts; a b