System and method for achieving green denitration by means of dry process production process

• Main Authors: CHEN ZHONGSHENG, MA JUN, WANG JISHUN, LAI DONGBO
• Format: Patent
• Language: Chinese; English
• Published: 27.08.2019
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a system and a method for achieving green denitration by means of a dry process production process. The system comprises a multi-stage cyclone barrel, a decomposing furnace, afeed-end chamber, a rotary kiln and a grate cooler, wherein a denitration chamber is arranged on the lower part of the decomposing furnace, a spraying and scattering integrated machine is arranged inthe decomposing furnace, a spraying and scattering denitrator which sprays and scatters steam and pulverized coal simultaneously is arranged in the denitration chamber, the feed-end chamber is arranged below the denitration chamber and is communicated with the rotary kiln, the grate cooler at the head of the rotary kiln is provided with a secondary air taking hood and a tertiary air taking hood, the tertiary air taking hood is connected to the grate cooler and a tertiary air hose, and the air outlet of the tertiary air hose is communicated with the decomposing furnace. By combining characteristics of a cement productio