APPLICATION OF VENTURI STICK TIER IN AMMONIA INJECTION GRID(AIG) AND NUMERICAL SIMULATION THEREOF

CHEN Kai-hua1; SONG Cun-yi1; QIU Lu1; LI Qiang21.College of Civil and Environmental Engineering

doi:10.19666/j.rlfd.2009.02.009

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APPLICATION OF VENTURI STICK TIER IN AMMONIA INJECTION GRID(AIG) AND NUMERICAL SIMULATION THEREOF

更新时间：2025-09-28

- APPLICATION OF VENTURI STICK TIER IN AMMONIA INJECTION GRID(AIG) AND NUMERICAL SIMULATION THEREOF
- Thermal Power Generation Vol. 38, Issue 2, Pages: 32-36(2009)
- 作者机构：
  
  1. 北京科技大学土木与环境工程学院
  2. 国电集团公司技术经济咨询中心
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2009.02.009
  CLC： X701
- Published：2009
- 稿件说明：
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CHEN Kai-hua1, SONG Cun-yi1, QIU Lu1, et al. APPLICATION OF VENTURI STICK TIER IN AMMONIA INJECTION GRID(AIG) AND NUMERICAL SIMULATION THEREOF[J]. Thermal power generation, 2009, 38(2): 32-36.
DOI：

CHEN Kai-hua1, SONG Cun-yi1, QIU Lu1, et al. APPLICATION OF VENTURI STICK TIER IN AMMONIA INJECTION GRID(AIG) AND NUMERICAL SIMULATION THEREOF[J]. Thermal power generation, 2009, 38(2): 32-36. DOI： 10.19666/j.rlfd.2009.02.009.

摘要

提出了在氨喷射(AIG)系统中利用文丘里棒层注入氨气的方法

并将其与传统的氨气注入方式进行了对比。结果表明

文丘里棒层注入氨气的方法可简化氨注射系统;采用缝隙注入

可降低喷嘴堵塞概率;安装方便

调试简单

压力损失较小。运用流体力学的基本理论

对文丘里棒层工作段应用流体力学商业计算软件Fluent进行流场、压力降和混合效果的数值计算

揭示了其内部流动特征。

Abstract

A method of injecting ammonia gas into ammonic injection grid(AIG)system by using Venturi stick tier has been put forward

and a comparison with traditional ammonia gas injecting mode being made.The method of injecting ammonia gas by using Venturi stick tier simplified the ammonia injecting system;adopting slit injection

decreased the probabality of clogging in nozzle;and being convenient to be installed

being simple in debugging and smaller in pressure loss.Utilizing the basic theory of hydrodynamics

the numerical calulation of flow field

pressure drop

and mixed effect in working section of the Venturi stick tier has been carried out using FLUENT software

revealing the inner flow characteristics in the Venturi stick tier.

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