Influence of biomass gas parameters on coupled coal-fired biomass generation

WANG Yikun; DENG Lei; CHANG Genzhou; LIU Honggang; LYU Kai; NIE Xin; ZHANG Guangcai

doi:10.19666/j.rlfd.202007076

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Influence of biomass gas parameters on coupled coal-fired biomass generation

更新时间：2025-09-28

- Influence of biomass gas parameters on coupled coal-fired biomass generation
- Thermal Power Generation Vol. 50, Issue 3, Pages: 34-40(2021)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能长江环保科技有限公司
  3. 西安交通大学动力工程多相流国家重点实验室
  4. 河北邯峰发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202007076
  CLC： TK6;X705
- Published Online：22 February 2021，
  
  Published：2021
- 稿件说明：
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WANG Yikun, DENG Lei, CHANG Genzhou, et al. Influence of biomass gas parameters on coupled coal-fired biomass generation[J]. Thermal power generation, 2021, 50(3): 34-40.
DOI：

WANG Yikun, DENG Lei, CHANG Genzhou, et al. Influence of biomass gas parameters on coupled coal-fired biomass generation[J]. Thermal power generation, 2021, 50(3): 34-40. DOI： 10.19666/j.rlfd.202007076.

摘要

为了掌握掺烧生物质气对燃煤耦合生物质发电燃煤机组运行参数的影响

针对某电厂300 MW等级燃煤机组

以能量守恒定律为基础

通过锅炉热力校核和机组热力系统计算分析了机组在BMCR、75%THA、50%THA和30%THA工况下

掺烧生物质气后燃煤机组的锅炉热效率、发电煤耗、烟气温度和烟气量等参数的变化。结果表明:掺烧生物质气会导致锅炉热效率下降

燃煤消耗量减少

理论燃烧温度降低

排烟温度升高和烟气量增大

变化幅度均随着生物质气掺烧量的增加而增大;建议掺烧生物质气的温度低于500℃

全负荷热量输入比小于20%。

Abstract

In order to study the influence of blending biomass gas on operation parameters of coal-fired boiler

thermal calculation for a 300 MW unit was carried out based on energy conservation equation. Under the load of BMCR

75%THA

50%THA and 30%THA

the influences of blending biomass gas on boiler parameters

such as boiler thermal efficiency

unit coal consumption

flue gas temperature

and gas flow

were investigated

via boiler thermodynamic calculation and unit thermal system analysis. The results show that

blending biomass gas will decrease the boiler efficiency

coal consumption and theoretical combustion temperature

and increase the exhaust gas temperature and quantity. The change will increase with the blending proportion of biomass gas. It suggests that the temperature of blended biomass gas be lower than 500 ℃

and the heat input ratio of full load be less than 20%.

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Related Institution

Beijing Guodian Huabei Electric Power Engineering Co., Ltd

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College of Energy and Power Engineering, North China Electric Power University

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