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pulverized coal, oxy fuel combustion of pulverized coal sciencedirec

Oxy-fuel combustion of pulverized coal: Characterization ...

2012-4-1  The paper focuses on reviewing the fundamentals of oxy-fuel combustion of pulverized coal in a CO 2-rich environment. In particular, it examines how oxy-fuel combustion differs from air-fuel combustion in areas including fuel delivery, slurry atomization, heat transfer, coal particle combustion and its interactions with the gaseous phase, flame ...

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Pressurized oxy-fuel combustion performance of

2016-4-25  Pulverized coal combustion in pressurized oxy-fuel (or O 2 /CO 2) atmosphere is widely accepted as a clean technique for energy conversion with respect to the NO x emission reduction and CO 2 capture. The combustion performance of two pulverized coals, including the ignition and burnout, char structure transformation, and ash formation, was investigated, and

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Oxy-Fuel Combustion Characteristics of Pulverized Coal in ...

2020-1-10  This paper reports the oxy-fuel combustion characteristics in a pilot-scale furnace with a bituminous coal. After discussing the design principles of oxy-fuel burners in detail, a swirling low-NOx burner system is specially designed to achieve the compatible combustion of air-fuel combustion and oxy-fuel combustion. The initial O2 concentrations vary between 22 and 30%

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Combustion of Coal

2020-4-20  Oxy-fuel combustion is a pulverized coal combustion process practiced in coal-fired power plant. In a traditional power plant, the pulverized coal used for fuel is fired and the oxygen comes from injected air. Pulverised coal combustion technology is mainly used for steam generation in the power plant, where most of the cases suspended coal bed ...

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Progress in Energy and Combustion Science

2019-12-31  Review Oxy-fuel combustion of pulverized coal: Characterization, fundamentals, stabilization and CFD modeling Lei Chen, Sze Zheng Yong, Ahmed F. Ghoniem*

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Pulverized coal stream ignition delay ... - ScienceDirect

2011-7-1  In oxy-fuel combustion of pulverized coal, poor ignition quality has often been noted during pilot-scale burner trials when operating with substantial flue gas recirculation or with a synthetic oxidant with CO 2 diluent (Wang et al., 1988,

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Fundamental investigation of NOx formation during oxy

2011-1-1  Also, oxy-fuel recycle combustion represents a modest modification of the existing pulverized coal (pc) combustion technology that has well-proven reliability and industrial acceptance. An important ancillary benefit of O 2 /CO 2 recycle combustion is a reduction in most pollutant emissions, particularly NO x.

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Process simulation of oxy-fuel combustion for a 300 MW ...

2013-12-1  This work focuses on the amounts and components of flue gas for oxy-fuel combustion in a coal-fired power plant (CFPP). The combustion process of pulverized coal in a 300 MW power plant is studied using Aspen Plus software.The amount of each component in flue gas in coal-fired processes with air or O 2 /CO 2 as oxidizer is obtained. The differences

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Particle imaging of ignition and ... - ScienceDirect

2009-1-1  1. Introduction. Oxy-fuel combustion of coal with recycled flue gas is a promising approach for continued use of coal for electric power production, while producing near-zero emissions of gases , .The nearly pure CO 2 product stream produced from this process is suitable for use in Enhanced Oil Recovery (EOR), Coal Bed Methane (CBM) production, or geologic

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Exergy Analysis of a 600 MWe Oxy-combustion Pulverized ...

2011-7-8  In an oxy-combustion pulverized-coal-fired power plant (PC), a high CO 2 content flue gas could be obtained, and this allows CO 2 sequestration in an efficient and energy-saving way. To better understand the thermodynamic characteristics of the oxy-combustion process, a detailed exergy analysis of a 600 MW e oxy-combustion PC was carried out. The whole oxy

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Oxy-Fuel Combustion Characteristics of Pulverized Coal in ...

2020-1-10  This paper reports the oxy-fuel combustion characteristics in a pilot-scale furnace with a bituminous coal. After discussing the design principles of oxy-fuel burners in detail, a swirling low-NOx burner system is specially designed to achieve the compatible combustion of air-fuel combustion and oxy-fuel combustion. The initial O2 concentrations vary between 22 and 30%

More

Oxy-fuel combustion of pulverized coal: characterization ...

Oxy-fuel combustion has generated significant interest since it was proposed as a carbon capture technology for newly built and retrofitted coal-fired power plants. Research, development and demonstration of oxy-fuel combustion technologies has been advancing in recent years; however, there are still fundamental issues and technological challenges that must be addressed before

More

Oxy-Fuel Combustion Characteristics of Pulverized Coal ...

Oxy-fuel combustion is an effective technology for carbon capture and storage (CCS). Oxy-combustion for coal-fired power stations is a promising technology by which to diminish CO2 emissions. Unfortunately, little attention has been paid to the oxy-combustion characteristics affected by the combustion atmosphere. This paper is aimed at investigating the oxy-fuel

More

Combustion of Coal

2020-4-20  Oxy-fuel combustion is a pulverized coal combustion process practiced in coal-fired power plant. In a traditional power plant, the pulverized coal used for fuel is fired and the oxygen comes from injected air. Pulverised coal combustion technology is mainly used for steam generation in the power plant, where most of the cases suspended coal bed ...

More

Oxy-Fuel Combustion Characteristics of Pulverized-Coal

Oxy-Fuel Combustion Characteristics of Pulverized-Coal in a Drop Tube Furnace René Zander Supervisor: Professor Mário Manuel Gonçalves da Costa! Mechanical Engineering Department, Instituto Superior Técnico, Technical University of Lisbon, Lisbon, Portugal Abstract

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Pressurized Pulverized Fuel Combustion in Different ...

2019-5-26  Effects of oxy-fuel conditions on the products of pyrolysis in a drop tube reactor. Fuel Processing Technology 2016, 150, 41-49. DOI: 10.1016/j.fuproc.2016.04.034. Zhi Ying, Xiaoyuan Zheng, Guomin Cui. Pressurized oxy-fuel combustion performance of pulverized coal for CO 2 capture. Applied Thermal Engineering 2016, 99, 411-418. DOI: 10.1016/j ...

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Oxyfuel combustion: technical and economic

2014-7-3  Control Model (IECM) to be used for systematic, comparative evaluation of fossil fuel power systems. The IECM is a publicly available tool developed by Carnegie Mellon University for the US Department of Energy’s National Energy Technology Laboratory (DOE/NETL) [7]. As with the pulverized coal base

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Experimental and Modeling Investigations of Ignition

2020-8-13  Ignition and Char Combustion during Oxy - Fuel Combustion of Pulverized Coal Christopher Shaddix, Manfred Geier, Ethan Hecht, Yinhe Liu†, and Alejandro Molina ‡ Combustion Research Facility Sandia National Laboratories Livermore, CA 94550 NETL 2010 Workshop of Multiphase Flow Science Pittsburgh, PA USA May 4-6, 2010 † Xi’an Jiaotong ...

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邹春 教授-郑楚光科研团队

2021-1-15  邹春 教授. 华中科技大学煤燃烧国家重点实验室教授,博士生导师。. 长期从事燃烧基础研究、湍流燃烧数值模拟以及小型燃烧装置研发等方面的研究。. 目前的主要研究方向是oxy-fuel燃烧、oxy-steam燃烧、MILD燃烧、对冲燃烧、燃烧模型以及小型燃烧装置。. 已经 ...

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邹春(博导)-能源与动力工程学院

2021-8-30  [2]Effect of steam on ignition of pulverized coal particles in oxy-fuel combustion in a drop tube furnace,Fuel, SCI 2016 [3]Ignition behaviors of pulverized coal particles in O2/N2 and O2/H2O mixtures in a drop tube furnace using flame monitoring techniques, Proceedings of the Combustion Institute, SCI 2015

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Oxy-Fuel Combustion Characteristics of Pulverized Coal ...

Oxy-fuel combustion is an effective technology for carbon capture and storage (CCS). Oxy-combustion for coal-fired power stations is a promising technology by which to diminish CO2 emissions. Unfortunately, little attention has been paid to the oxy-combustion characteristics affected by the combustion atmosphere. This paper is aimed at investigating the oxy-fuel

More

Oxy-fuel combustion of pulverized coal: characterization ...

Oxy-fuel combustion has generated significant interest since it was proposed as a carbon capture technology for newly built and retrofitted coal-fired power plants. Research, development and demonstration of oxy-fuel combustion technologies has been advancing in recent years; however, there are still fundamental issues and technological challenges that must be addressed before

More

Combustion of Coal

2020-4-20  Oxy-fuel combustion is a pulverized coal combustion process practiced in coal-fired power plant. In a traditional power plant, the pulverized coal used for fuel is fired and the oxygen comes from injected air. Pulverised coal combustion technology is mainly used for steam generation in the power plant, where most of the cases suspended coal bed ...

More

Oxy-Fuel Combustion Characteristics of Pulverized-Coal

Oxy-Fuel Combustion Characteristics of Pulverized-Coal in a Drop Tube Furnace René Zander Supervisor: Professor Mário Manuel Gonçalves da Costa! Mechanical Engineering Department, Instituto Superior Técnico, Technical University of Lisbon, Lisbon, Portugal Abstract

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Ignition and combustion of pulverized coal and biomass ...

2021-11-1  Ignition and Combustion of Pulverized Coal and Biomass under Different Oxy-fuel O 2/N 2 and O 2/CO 2 Environments. A Thesis Presented . by . Seyed Reza Khatami Firoozabadi . to . The Department of Mechanical and Industrial Engineering . In partial fulfillment of the requirements . for the degree of . Doctor of Philosophy (PhD) in the field of ...

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Experimental and Modeling Investigations of Ignition

2020-8-13  Ignition and Char Combustion during Oxy - Fuel Combustion of Pulverized Coal Christopher Shaddix, Manfred Geier, Ethan Hecht, Yinhe Liu†, and Alejandro Molina ‡ Combustion Research Facility Sandia National Laboratories Livermore, CA 94550 NETL 2010 Workshop of Multiphase Flow Science Pittsburgh, PA USA May 4-6, 2010 † Xi’an Jiaotong ...

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Simulation of nitrogen transformation in pressurized oxy ...

Chemical kinetic modeling was applied to simulate N transformation in the pressurized oxy-fuel combustion process of pulverized coal. Modeling accuracy was validated by experimental data at different operation pressures. The key reaction paths from fuel-N to different N products were revealed by analyzing the rate

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Exergy Analysis of a 600 MWe Oxy-combustion Pulverized ...

2011-7-8  In an oxy-combustion pulverized-coal-fired power plant (PC), a high CO 2 content flue gas could be obtained, and this allows CO 2 sequestration in an efficient and energy-saving way. To better understand the thermodynamic characteristics of the oxy-combustion process, a detailed exergy analysis of a 600 MW e oxy-combustion PC was carried out. The whole oxy

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Oxy-fuel combustion power plants use pulverized coal ...

Oxy-fuel combustion power plants use pulverized coal particles as fuel to burn in a pure oxygen environment to generate electricity. Before entering the furnace, pulverized spherical coal particles with an average diameter of. are being transported at 2 m/s through a 3-m long heated tube while suspended in hot air.

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邹春(博导)-能源与动力工程学院

2021-8-30  [2]Effect of steam on ignition of pulverized coal particles in oxy-fuel combustion in a drop tube furnace,Fuel, SCI 2016 [3]Ignition behaviors of pulverized coal particles in O2/N2 and O2/H2O mixtures in a drop tube furnace using flame monitoring techniques, Proceedings of the Combustion Institute, SCI 2015

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