Experimental study on weakly caking coal combustion preheated by circulating fluidized bed

Zhu, Shujun; Zhu, Jianguo; Lyu, Qinggang; Man, Chengbo; Ouyang, Zhen; Liu, Jingzhang; Ding, Hanfeng; Liu, Yuhua; Zhang, Xiaoyu

doi:10.1016/j.fuel.2021.120592

Cited by 14 publications

(1 citation statement)

References 32 publications

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“…As the reaction atmosphere on the combustion path gradually altered from reduction to oxidation, fuel-N was mainly oxidized to NO, with 114 mg/Nm 3 (@6%O 2 ). Subsequently, Zhu S et al [54] tried to further realize the stable, efficient, and low NO x combustion of weakly caking coal. The results revealed that higher T P and higher fluidization gas velocity were beneficial to alleviate or even solve the preheating instability of weak caking coal.…”

Section: Mw Grade Pilot-scale Text Rigsmentioning

confidence: 99%

A Review on Self-Preheating Combustion Technology for Reducing NOx Emission in the Process of Carbon-Based Fuel Combustion

2022

AJMC

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Energy and environment are the two major themes of today's social development. Selfpreheating combustion technology has opened a new path for the directional transformation of coal nitrogen, achieved the inhibition of NO x generation in the combustion in-situ reaction, better realized the organic integration of efficient combustion of pulverized coal and low NO x emission, and showed stronger advantages in the denitration efficiency, environmental compatibility and investment and operation cost. This study first introduces the basic principle of self-preheating combustion technology, including the principles of self-preheating, the principles of preheated fuel combustion and the NO x formation mechanism. Subsequently, the research progress in reducing NO x emission by self-preheating combustion technology in 30 kW bench scale text rigs and MW grade pilot-scale text rigs, and the industrial application of self-preheating combustion technology are respectively illustrated. Finally, the corresponding conclusions are given, and the future development direction of self-preheating combustion technology is prospected.

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Section: Mw Grade Pilot-scale Text Rigsmentioning

confidence: 99%

A Review on Self-Preheating Combustion Technology for Reducing NOx Emission in the Process of Carbon-Based Fuel Combustion

2022

AJMC

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Low-NOx study of a 600 MW tangentially ﬁred boiler based on pulverized coal preheating method

Yao

Han

Liu

et al. 2023

Case Studies in Thermal Engineering

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Preheating and combustion characteristics of anthracite under O2/N2, O2/CO2 and O2/CO2/H2O atmospheres

Zhang

Zhu

et al. 2023

Energy

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Experimental study on weakly caking coal combustion preheated by circulating fluidized bed

Cited by 14 publications

References 32 publications

A Review on Self-Preheating Combustion Technology for Reducing NOx Emission in the Process of Carbon-Based Fuel Combustion

A Review on Self-Preheating Combustion Technology for Reducing NOx Emission in the Process of Carbon-Based Fuel Combustion

Low-NOx study of a 600 MW tangentially ﬁred boiler based on pulverized coal preheating method

Preheating and combustion characteristics of anthracite under O2/N2, O2/CO2 and O2/CO2/H2O atmospheres

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