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Study on the formation characteristics of fine particulate matter under the combustion condition of high-alkali and high-chlorine coal in Xinjiang
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Meng XU1, Jinrong MA2, Jianjiang WANG1, Bo WEI1, Lijuan CHEN1, Tiantian AN1
Thermal Power Generation | 2024, 53(1) : 46 - 52
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Thermal Power Generation | 2024, 53(1): 46-52
• High proportion combustion technology for high-alkali coal •
Study on the formation characteristics of fine particulate matter under the combustion condition of high-alkali and high-chlorine coal in Xinjiang
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Meng XU1, Jinrong MA2, Jianjiang WANG1, Bo WEI1, Lijuan CHEN1, Tiantian AN1
Affiliations
  • 1.Key Laboratory of Coal Clean Conversion & Chemical Engineering Process, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, China
  • 2.Xinjiang Xinye Energy and Chemical Co., Ltd., Wujiaqu 831300, China
Published: 2024-01-25 doi: 10.19666/j.rlfd.202310156
Outline
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In order to compare the particle formation characteristics of typical high-alkali and high-chlorine Xinjiang coal under combustion conditions, a three-stage high temperature drop tube furnace was used to carry out the combustion experiment of Zhundong coal (ZD) and Shaerhu coal (SEH) in air atmosphere. The characteristics of particulate matter after combustion were analyzed. Particulate matters were collected by Dekati low pressure impactor+ (DLPI+) and the mass-based particle size distribution, elemental compositions and morphology were discussed. The results showed that the particulate matter produced by the combustion of the two coal samples presents a double-peaked model. The fine particle yield of SEH is significantly higher than that of ZD. The main components of sub-micron particles were Na and Cl. The Cl in PM10 accounts for 11.8% and 28.9% of the Cl content in ZD and SEH raw coal, and Na accounts for 2.66% and 7.53% of the Na content in ZD and SEH coal ash. High levels of alkali metals and Cl promoted the formation of fine particles. A large amount of Cl in SEH raw coal migrated into particles and contributed greatly to the formation of sub-micron particles.

high-chlorine coal  /  high-alkali coal  /  particulate matter  /  alkali metal  /  coal combustion
Meng XU, Jinrong MA, Jianjiang WANG, Bo WEI, Lijuan CHEN, Tiantian AN. Study on the formation characteristics of fine particulate matter under the combustion condition of high-alkali and high-chlorine coal in Xinjiang[J]. Thermal Power Generation, 2024 , 53 (1) : 46 -52 . DOI: 10.19666/j.rlfd.202310156
Funding
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  • Science & Technology Department of Xinjiang Uygur Autonomous Region Tianshan Innovation Team(2023D14010)
  • Xinjiang Uygur Autonomous Region Tianchi Talents-Young Doctor Program(51052300571)
Appendix
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Year 2024 volume 53 Issue 1
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109
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Article Info
doi: 10.19666/j.rlfd.202310156
  • Receive Date：2023-10-03
  • Online Date：2025-12-25
  • Published：2024-01-25
Article Data
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History
  • Received：2023-10-03
Funding
Science & Technology Department of Xinjiang Uygur Autonomous Region Tianshan Innovation Team(2023D14010)
Xinjiang Uygur Autonomous Region Tianchi Talents-Young Doctor Program(51052300571)
Affiliations
    1.Key Laboratory of Coal Clean Conversion & Chemical Engineering Process, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, China
    2.Xinjiang Xinye Energy and Chemical Co., Ltd., Wujiaqu 831300, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202310156
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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