A NEW METHOD FOR HIGHLY EFFICIENT DESULFURATION AND DUST-COLLECTION WITH INJECTION OF LIMESTONE AND WATER

LI Chun-xuan1; FANG Jing-hua1; YANG Tian-xu1; ZHANG Hui2; ZHAO Jie21.Shanghai Zhongfen Electric Engineering Co

doi:10.19666/j.rlfd.2007.10.018

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A NEW METHOD FOR HIGHLY EFFICIENT DESULFURATION AND DUST-COLLECTION WITH INJECTION OF LIMESTONE AND WATER

更新时间：2025-09-28

- A NEW METHOD FOR HIGHLY EFFICIENT DESULFURATION AND DUST-COLLECTION WITH INJECTION OF LIMESTONE AND WATER
- Thermal Power Generation Issue 10, Pages: 63-65(2007)
- 作者机构：
  
  1. 上海中芬电气工程公司
  2. 美国斯普瑞喷雾系统(上海)公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.10.018
  CLC： TK229.6
- Published：2007
- 稿件说明：
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LI Chun-xuan1, FANG Jing-hua1, YANG Tian-xu1, et al. A NEW METHOD FOR HIGHLY EFFICIENT DESULFURATION AND DUST-COLLECTION WITH INJECTION OF LIMESTONE AND WATER[J]. Thermal power generation, 2007, (10): 63-65.
DOI：

LI Chun-xuan1, FANG Jing-hua1, YANG Tian-xu1, et al. A NEW METHOD FOR HIGHLY EFFICIENT DESULFURATION AND DUST-COLLECTION WITH INJECTION OF LIMESTONE AND WATER[J]. Thermal power generation, 2007, (10): 63-65. DOI： 10.19666/j.rlfd.2007.10.018.

摘要

分析了国内循环流化床(CFB)锅炉炉内喷钙脱硫效率低和排尘浓度超标的原因

提出喷钙喷水两级脱硫和两级除尘的新方法。在原有喷钙和除尘的基础上

增设简易喷水雾化活化装置

将大量炉内未反应的CaO活化成Ca(OH)2

继续进行脱硫反应

总脱硫效率可达90%以上。同时

该装置有良好的预除尘作用

从而以较低的投资和运行成本达到高效脱硫和除尘的目标。

Abstract

The causes resulting in low efficiency of desulfuration and dust-collection in circulating fluidized bed(CFB) boilers have been analysed

a new method consisting of two-stage desulfuration and two-stage dustcollection with injection of limestone and water being put forward.On the basis of original injection of limestone and dust-collection

a simple and easy water-spraying and atomizing activator has been additionally installed

a vast amount of unreacted CaO in the furnace being activated into Ca(OH)2

continuously carrying out desulfuration

making the total efficiency of desulfuration to reach above 90%.At the same time

the said method has function of dust-collection in advance

hence

the target of highly efficient desulfuration and dust-collection can be achieved at capital investment and operation cost as a dry process of desulfuration.

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