Generation and Emission Characteristics of Fine Particles Generated by Power Plant Circulating Fluidized Bed Boiler

Heming Dong, Yu Zhang (), Qian Du (), Jianmin Gao, Qi Shang, Dongdong Feng and Yudong Huang
Additional contact information
Heming Dong: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Yu Zhang: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Qian Du: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Jianmin Gao: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Qi Shang: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Dongdong Feng: School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Yudong Huang: School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China

Energies, 2022, vol. 15, issue 19, 1-13

Abstract: The generation and emission characteristics of fine particulates (PM 2.5 ) from three 300 MW power plant circulating fluidized bed boilers were investigated. One boiler had an external bed and used an electrostatic precipitator, the other two used an electrostatic filter precipitator and fabric filter, respectively. The particle size distribution of fine particles was performed by an electrical low-pressure impactor. PM 2.5 samplers were used at the same time to collect fine particles for subsequent laboratory analysis. The results show that the number size distributions of fine particles presented one single peak, but there was no peak in mass size distributions. The mass concentrations of three CFB boilers were similar, but the number concentration of the external bed CFB boiler was much higher than that of the general CFB boiler. The minimum removal efficiencies of the precipitator appeared between 0.1~1 μm, but the locations of the minimum point were different. The morphology of fine particles was mostly irregular. The highest content of fine particles was insoluble oxides and the content of S element was also high. Different precipitators have different removal effects on Si, Al, Ca, S and Fe in fine particles, but they all have poor removal effects on Na and K as well as OC and EC.

Keywords: fine particles; CFB boiler; PSDs; dust removal; physicochemical properties (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.mdpi.com/1996-1073/15/19/6892/pdf (application/pdf)
https://www.mdpi.com/1996-1073/15/19/6892/ (text/html)

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:gam:jeners:v:15:y:2022:i:19:p:6892-:d:920304

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().