Low energy consumption technology for supercritical CFB boiler and its engineering application

XIE Guowei; PENG Zhong; YANG Guanglan; LI Ke; TANG Haixin; CHEN Zhenlong; ZHAO Yonghong; HU Changhua; GU Congyang; WU Wanzhu

doi:10.19666/j.rlfd.202001026

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Low energy consumption technology for supercritical CFB boiler and its engineering application

Thermal Power Generation Vol. 49, Issue 5, Pages: 27-32(2020)

更新时间：2025-09-28

- Low energy consumption technology for supercritical CFB boiler and its engineering application
- 作者机构：
  
  1. 神华集团循环流化床技术研发中心
  2. 四川白马循环流化床示范电站有限责任公司
  3. 国家能源投资集团有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202001026
  CLC： TK175
- Published Online：27 April 2020，
  
  Published：2020
- 稿件说明：
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XIE Guowei, PENG Zhong, YANG Guanglan, et al. Low energy consumption technology for supercritical CFB boiler and its engineering application[J]. Thermal Power Generation, 2020, 49(5): 27-32.
DOI：

XIE Guowei, PENG Zhong, YANG Guanglan, et al. Low energy consumption technology for supercritical CFB boiler and its engineering application[J]. Thermal Power Generation, 2020, 49(5): 27-32. DOI： 10.19666/j.rlfd.202001026.

摘要

通过试验测试了超临界循环流化床(CFB)锅炉机组能耗指标

分析了超临界CFB锅炉各项热损失以及厂用电结构分布情况

提出了超临界CFB锅炉节能优化方向。结合现役大型CFB锅炉低能耗技术应用及工程实践情况

从提高锅炉效率、降低锅炉风机能耗以及低能耗的污染物控制方面研究提出了超临界CFB锅炉低能耗技术及其优化措施。在某超临界CFB锅炉上实施相关低能耗技术改造

分析其改造前后能耗指标变化

结果显示改造后节能效果明显。本文研究结果对超(超)临界CFB锅炉实现更低能耗具有一定借鉴价值。

Abstract

Through testing

the energy consumption indicators of supercritical circulating fluidized bed(CFB) boiler units

the heat losses of the boiler and the structure distribution of the service power rate for the supercritical CFB units were analyzed

and the optimization direction for energy saving of supercritical CFB boilers was proposed. Combined with the applications and operation practices of the low energy consumption technology for large scale CFB boilers in service

the technical measures of the low energy consumption technology for supercritical CFB boilers were researched and proposed

from the aspects of improving the boiler efficiency

reducing the energy consumption of air fan

and low-energy-consuming pollutants control. Moreover

related technical transformation was carried out on a supercritical CFB boiler

and the changes in energy consumption indicators before and after the transformation were analyzed. The result shows that

after the transformation

the energy saving effect was obviously better than before. This provides a certain reference value for supercritical and ultra-supercritical CFB boilers to achieve the target of lower energy consumption.

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