Ammonia spraying device and dust removal and denitration integrated device

• Main Authors: HUANG HEMAO, GAO DEZHI, GUO HOUKUN, MA WENMING, LIM, CHOON GUAN, ZHANG YUAN, WANG JIANCHUN
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses an ammonia spraying device which is used for being arranged in a gas purification chamber of a dust removal and denitration integrated device, the gas purification chamber is located above a dust removal chamber of the dust removal and denitration integrated device, and the ammonia spraying device comprises an ammonia gas pipeline which is provided with an ammonia gas inlet for introducing ammonia gas and an ammonia gas nozzle for spraying the ammonia gas towards the dust removal chamber; and the compressed air pipeline is provided with an air inlet for introducing compressed air and an air nozzle for spraying the compressed air towards the dust removal chamber. The ammonia spraying device provided by the invention solves the problem of low SCR (Selective Catalytic Reduction) denitration reaction efficiency caused by non-uniform mixing of flue gas and ammonia gas when the ammonia spraying device in the prior art sprays the ammonia gas in the gas purification chamber under the condition