Study on the mechanism of unsteady combustion related to volatile in a coal-fired traveling grate boiler

Ji, J.; Luo, Yujuan; Hu, Lin-wen

doi:10.1016/j.applthermaleng.2007.03.031

Cited by 13 publications

(13 citation statements)

References 13 publications

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“…Most of the incinerators for municipal solid waste and industrial boilers are grate boilers in China as a result of their less maintenance and stable operation (Chirone et al, 2008;Ji et al, 2008). The traveling grate boiler was used to generate 6 t h −1 steam (193°C and 1.25 MPa) with biomass fuel consumption of 20 t d −1 .…”

Section: Experimental Apparatus and Proceduresmentioning

confidence: 99%

Chemical speciation, mobility and phyto-accessibility of heavy metals in fly ash and slag from combustion of pelletized municipal sewage sludge

Xiao

Yuan

et al. 2015

Science of The Total Environment

123

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Section: Experimental Apparatus and Proceduresmentioning

confidence: 99%

Chemical speciation, mobility and phyto-accessibility of heavy metals in fly ash and slag from combustion of pelletized municipal sewage sludge

Xiao

Yuan

et al. 2015

Science of The Total Environment

123

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“…Under this circumstance, inertia force determines the airflow process and the effect of viscosity force can be ignored. 33 , 34 …”

Section: Modelingmentioning

confidence: 99%

Aerodynamic Characteristics of a Stoker Furnace with Staged Combustion: Comparison of Cold Modeling Experiments and Numerical Simulations

et al. 2020

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A three-dimensional trial bed is established for a staged combustion boiler, and a modeling method based on similarity theory is proposed. The aerodynamic field of the 35 t/h layer combustion—composite combustion chamber—in the stoker boiler with staged combustion was evaluated. Further, a three-dimensional calculation model based on computational fluid dynamics (CFD) was used to simulate the aerodynamic field of the reformed boiler under normal operation, which facilitated convenience in the boiler design. Hot-wire anemometer and other instruments were used for the characteristic test of damper, a velocity field test in the furnace, wall wind test, temperature balance test at the outlet of the furnace, etc., and the law of motion for the flow field in the furnace was obtained. By analyzing the structure of staged combustion, the emission of nitrogen oxides and the combustion stability of a novel layer-fired boiler were studied. The calculated results are in excellent agreement with the experimental data. The results revealed that the combustion efficiency of the boiler and the reduction of nitrogen oxides were significantly improved by the staged combustion technology. There was no erosion on the water wall, and the flow velocity at the outlet of the furnace was uniform. This modeling method exhibits good adaptability to the combustion of stratified combustion boilers and is potentially useful for optimizing furnaces in a variety of applications.

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“…Grate-fired systems have been studied extensively for both modelling and experimental research (Bauer et al 2010, Ji et al 2008, Lin et al 2009, Rezeau et al 2012, Sefidari et al 2014, Sudbrock et al 2010, Van der Lans et al 2000, van Kessel et al 2004, Yin et al 2008, Zhang et al 2010. Several studies on grate-fired systems have focused on combustion gas emissions (Miles 1979, Rogaume et al 2009, Ross et al 2002, the subject of the current research.…”

Section: Literature Reviewmentioning

confidence: 99%

Wood and coal cofiring in Alaska—operational considerations and combustion gas effects for a grate-fired power plant

Nicholls¹,

Wright²,

Huang³

2018

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Study on the mechanism of unsteady combustion related to volatile in a coal-fired traveling grate boiler

Cited by 13 publications

References 13 publications

Chemical speciation, mobility and phyto-accessibility of heavy metals in fly ash and slag from combustion of pelletized municipal sewage sludge

Chemical speciation, mobility and phyto-accessibility of heavy metals in fly ash and slag from combustion of pelletized municipal sewage sludge

Aerodynamic Characteristics of a Stoker Furnace with Staged Combustion: Comparison of Cold Modeling Experiments and Numerical Simulations

Wood and coal cofiring in Alaska—operational considerations and combustion gas effects for a grate-fired power plant

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