Combustion and emission characteristics of Romania Rovinari lignite in circulating fluidized bed boiler

LI Guo; ZHOU Zhengyi; WANG Zhanxiao; ZHOU Qi; GONG Liming; LIN Shanhu; SONG Gang; ZHOU Xu

doi:10.19666/j.rlfd.201707065

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Combustion and emission characteristics of Romania Rovinari lignite in circulating fluidized bed boiler

更新时间：2025-09-28

- Combustion and emission characteristics of Romania Rovinari lignite in circulating fluidized bed boiler
- Thermal Power Generation Vol. 47, Issue 4, Pages: 19-23(2018)
- 作者机构：
  
  1. 东方电气集团东方锅炉股份有限公司
  2. 中国华电科工集团有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201707065
  CLC： TK16
- Published Online：09 April 2018，
  
  Published：2018
- 稿件说明：
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LI Guo, ZHOU Zhengyi, WANG Zhanxiao, et al. Combustion and emission characteristics of Romania Rovinari lignite in circulating fluidized bed boiler[J]. Thermal power generation, 2018, 47(4): 19-23.
DOI：

LI Guo, ZHOU Zhengyi, WANG Zhanxiao, et al. Combustion and emission characteristics of Romania Rovinari lignite in circulating fluidized bed boiler[J]. Thermal power generation, 2018, 47(4): 19-23. DOI： 10.19666/j.rlfd.201707065.

摘要

罗马尼亚罗威纳里(Rovinari)超临界(21)(15)(15)MW机组循环流化床(CFB)锅炉设计燃用该地区Pinoasa煤、Rosia煤、Tismana煤

本文对这3种褐煤进行了理化分析

并在(18)MW CFB热态试验台上进行了燃烧特性、排放特性、灰渣特性等试烧研究。结果表明:设计燃料为高水分、中高硫分、高挥发分、低灰熔点、低热值的年轻褐煤

石灰石中CaCO_3质量分数为(24)(21)(13)(23)%;3种燃料采用CFB燃烧具有很好的燃烧稳定性和安全性

在设计床温下运行不存在结焦、结渣和沾污风险

同时爆裂特性较强、着火和燃尽特性优良

污染物排放低

非常适宜CFB燃烧。

Abstract

The circulating fluidized bed(CFB) boiler of supercritical 600 MW unit of Romania Rovinari is designed to burn Pinoasa coal

Rosia coal and Tismana coal.In this study

the physical and chemical analysis of these three kinds of lignites are investigated

and the combustion characteristics

emission characteristics

coking characteristics and ash characteristics are also studied in the 3 MW CFB thermal test bench.The experimental results show that the three designed fuels are young lignites with high moisture

middle-and high-sulfur content

high volatile

low ash melting point and low calorific value.And the content of CaCO_3 in limestone is 96.8%.Besides

three kinds of fuels used in CFB combustion have great combustion stability and safety

and there is no risk of coking

slagging and contamination at the designed bed temperature.In addition

these fuels have strong burst properties

excellent ignition

great burnout characteristics and low pollutant emissions

which are very suitable for CFB combustion.

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