Impact of radial air staging on gas-particle flow characteristics in an industrial pulverized coal boiler

Rong Yan, Zhichao Chen, Bo Zhang, Yu Zheng and Zhengqi Li

Energy, 2022, vol. 243, issue C

Abstract: Radial air staging is a new air staging method for industrial pulverized coal boilers. In this paper, its impact on the gas-particle flow characteristics of industrial pulverized coal boilers was studied experimentally. The gas-particle flow experiments were carried out on a 1:6 scale boiler platform by a particle dynamics anemometer. The three-dimensional velocities of the gas-particle, average particle size and particle volume flux under different air stoichiometries in the furnace were measured. When the air stoichiometry was 0.2, the burner outlet could not form a stable reflux zone to establish a good combustion process. When the air stoichiometry is greater than 0.8, the maximum particle volume flow is also located near the water wall, increasing the slagging tendency on the wall. The appropriate air stoichiometry range for the new burner was 0.4–0.8.

Keywords: Industrial pulverized coal boiler; Swirl burner; Air staging; Gas-particle flow (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544222000263
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:243:y:2022:i:c:s0360544222000263

DOI: 10.1016/j.energy.2022.123123

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().