NUMERICAL SIMULATION BASED ANTI-EROSION PLATE STRUCTURE OPTIMIZATION FOR TOP ROOF TUBES IN CFB

WANG Hong1; XIE Guoli1; JIAO Zijing2; ZHANG Tuanqing2; XIANG Xianan1 1.Huzhou Special Equipment Inspection Center

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NUMERICAL SIMULATION BASED ANTI-EROSION PLATE STRUCTURE OPTIMIZATION FOR TOP ROOF TUBES IN CFB

更新时间：2025-09-28

- NUMERICAL SIMULATION BASED ANTI-EROSION PLATE STRUCTURE OPTIMIZATION FOR TOP ROOF TUBES IN CFB
- Thermal Power Generation Vol. 41, Issue 11, Pages: 41-45(2012)
- 作者机构：
  
  1. 湖州市特种设备检测中心
  2. 江苏大学能源与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.66
- Published：2012
- 稿件说明：
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WANG Hong1, XIE Guoli1, JIAO Zijing2, et al. NUMERICAL SIMULATION BASED ANTI-EROSION PLATE STRUCTURE OPTIMIZATION FOR TOP ROOF TUBES IN CFB[J]. Thermal power generation, 2012, 41(11): 41-45.
DOI：

WANG Hong1, XIE Guoli1, JIAO Zijing2, et al. NUMERICAL SIMULATION BASED ANTI-EROSION PLATE STRUCTURE OPTIMIZATION FOR TOP ROOF TUBES IN CFB[J]. Thermal power generation, 2012, 41(11): 41-45. DOI：

摘要

针对某循环流化床(CFB)锅炉顶棚管爆管事故

采用数值模拟的方法对其顶棚管区域的流场进行了模拟

模拟结果与实测值较为吻合。同时

对顶棚管防磨片结构进行了优化

结果显示

在防磨片间距为0.050m、高度为0.028m处

对靠近锅炉前墙处的防磨片角度进行-10°调整后其防磨效果为最佳。按优化结果进行实际应用后

锅炉投入运行1年再未发生顶棚管爆管事故。

Abstract

Tube burst happened on the roof tubes of a CFB.Using numerical simulation to simulate the flow field in the vicinity of the roof tubes

the results were in accordance with the actually measured values.The construction of anti-erosion plate for roof tubes was optimized.Results showed the space between each anti-erosion plate was 0.05 m and the height was 0.028 m.Best anti-wear effect was realized by adjusting the plates which were close to the front wall with-10°.After one-year application according to the simulated results

no tube burst occurred again during the boiler's operation.

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