Analysis on Replacing of Smaller Bore Nozzles for Long-distance Water Soot Blower

Lixiong QIU; Li ZHANG; Ming XIONG; Yani ZHUANG

doi:10.12096/j.2096-4528.pgt.2018.024

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Analysis on Replacing of Smaller Bore Nozzles for Long-distance Water Soot Blower

Power Generation and Environmental Protection | 更新时间：2025-07-04

- Analysis on Replacing of Smaller Bore Nozzles for Long-distance Water Soot Blower
- Power Generation Technology Vol. 39, Issue 2, Pages: 153-157(2018)
- 作者机构：
  
  1.神华国华(北京)燃气热电有限公司, 北京市朝阳区 100024
  2.北京信息科技大学自动化学院, 北京市海淀区 100192
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China(51377011)
- DOI：10.12096/j.2096-4528.pgt.2018.024
  CLC：
- Received：01 December 2017，
  
  Published：28 April 2018
- 稿件说明：
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Lixiong QIU, Li ZHANG, Ming XIONG, et al. Analysis on Replacing of Smaller Bore Nozzles for Long-distance Water Soot Blower[J]. Power Generation Technology, 2018, 39(2): 153-157.
DOI：

Lixiong QIU, Li ZHANG, Ming XIONG, et al. Analysis on Replacing of Smaller Bore Nozzles for Long-distance Water Soot Blower[J]. Power Generation Technology, 2018, 39(2): 153-157. DOI： 10.12096/j.2096-4528.pgt.2018.024.

摘要

大规模风电并网需要火电机组的灵活调节，在调节能力改造过程中应该保持锅炉的正常运行。为了减少远程水吹灰对锅炉炉膛热负荷的扰动，抑制锅炉本体膨胀，保证输出功率的灵活调节，对锅炉参数进行了研究。某电厂#1、#2锅炉远程水吹灰器流量较大、吹灰过程中对锅炉参数影响较大，通过更换小口径喷嘴，控制了水吹灰器对锅炉参数的扰动。根据试验前后参数对比分析远程水吹灰器更换小口径喷嘴对锅炉不同参数的影响，证明通过更换小口径喷嘴来改造是可行和安全的。

Abstract

Large scale wind power integration needs thermal generator regulate output power flexibly; during the reform of boiler for flexibility

the normal operation condition should be kept.To reduce the disturbance to the heat load of the boiler furnace

reduce the expansion of the boiler

and to protect the output power flexibly

the operation parameters of the boiler are studied.The long-distance water soot blower of #1 and #2 furnace in a power plant has larger flow rate and great influence on the boiler parameters during the blowing soot process.By replacing the smaller bore nozzle

the disturbance of the water soot blower to the boiler parameters was controlled.The comparison of operation parameters of the boiler before and after the replacement had proved that it is feasible and safe to change the bore nozzle by smaller diameter nozzle.

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references

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