NUMERICAL SIMULATION AND TREATMENT OF REVERSAL FIRING IN A TANGENTIALLY FIRED BOILER

GUO Xiaoyan1; ZHANG Haipeng2 1.College of Chemical Engineering

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NUMERICAL SIMULATION AND TREATMENT OF REVERSAL FIRING IN A TANGENTIALLY FIRED BOILER

更新时间：2025-09-28

- NUMERICAL SIMULATION AND TREATMENT OF REVERSAL FIRING IN A TANGENTIALLY FIRED BOILER
- Thermal Power Generation Vol. 41, Issue 11, Pages: 31-35(2012)
- 作者机构：
  
  1. 中国石油大学(华东)化学工程学院
  2. 胜利油田胜利发电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK227.1
- Published：2012
- 稿件说明：
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GUO Xiaoyan1, ZHANG Haipeng2 1.College of Chemical Engineering. NUMERICAL SIMULATION AND TREATMENT OF REVERSAL FIRING IN A TANGENTIALLY FIRED BOILER[J]. Thermal power generation, 2012, 41(11): 31-35.
DOI：

GUO Xiaoyan1, ZHANG Haipeng2 1.College of Chemical Engineering. NUMERICAL SIMULATION AND TREATMENT OF REVERSAL FIRING IN A TANGENTIALLY FIRED BOILER[J]. Thermal power generation, 2012, 41(11): 31-35. DOI：

摘要

某发电机组的1 025t/h锅炉在实际运行中燃烧切圆旋转方向与设计方向相反。通过对燃烧器内的流动过程进行数值模拟分析

并对炉内空气动力场进行动量平衡计算

认为其主要原因是炉膛中心的动量矩与切圆的设计旋转方向相反。对此

经运行调整各次风压

恢复了切圆转向

并将原扭转隔板式WR燃烧器改造为带百叶窗式浓缩器的浓淡风煤粉燃烧器后

锅炉燃烧稳定。

Abstract

The rotation direction of burning tangential circle in a 1 025 t/h boiler was contrary to the designed direction.Based on the numerical simulation of flow inside the combustor and momentum balance calculation for in-furnace aerodynamic field

that the momentum moment of the furnace centre was in the opposite rotation direction of designed tangential circle was considered as the main reason.Thus

the pressure of primary air

secondary air and tertiary air were adjusted to regain the tangential circle direction.Moreover

after transforming the original reversed baffle WR burner into the bias combustion pulverized coal burner with window-shades type concentrator

a stable combustion was realized.

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