STUDY ON IRON REMOVAL PERFORMANCE OF NEW TYPE HIGH GRADIENT ELECTRO-MAGNETIC FILTER

YE Zhou; LI Nan; TIAN Wenhua; HE Huiyong Xi'an Thermal Power Research Institute Co Ltd

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STUDY ON IRON REMOVAL PERFORMANCE OF NEW TYPE HIGH GRADIENT ELECTRO-MAGNETIC FILTER

更新时间：2025-09-28

- STUDY ON IRON REMOVAL PERFORMANCE OF NEW TYPE HIGH GRADIENT ELECTRO-MAGNETIC FILTER
- Thermal Power Generation Vol. 40, Issue 9, Pages: 42-44(2011)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.8
- Published：2011
- 稿件说明：
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YE Zhou, LI Nan, TIAN Wenhua, et al. STUDY ON IRON REMOVAL PERFORMANCE OF NEW TYPE HIGH GRADIENT ELECTRO-MAGNETIC FILTER[J]. Thermal power generation, 2011, 40(9): 42-44.
DOI：

YE Zhou, LI Nan, TIAN Wenhua, et al. STUDY ON IRON REMOVAL PERFORMANCE OF NEW TYPE HIGH GRADIENT ELECTRO-MAGNETIC FILTER[J]. Thermal power generation, 2011, 40(9): 42-44. DOI：

摘要

采用电厂实际铁腐蚀产物配制水样

对国产新型CAD高梯度电磁过滤器的除铁性能进行了试验。结果表明:CAD高梯度电磁过滤器以额定流量10 m3/h(流速为266 m/h)运行

当进水含铁量为20μg/L时

出水含铁量为2.5μg/L

铁去除率为86.8%

出水含铁量达到了GB/T 12145—2008《火力发电机组及蒸汽动力设备水汽质量》中超临界直流炉给水含铁量小于5μg/L的水质标准;当进水含铁量分别为40、185、700、1 500μg/L时

出水含铁量分别为7.6、12.2、18.1、26.2μg/L

铁去除率分别为81.4%、93.4%、97.4%、98.3%。CAD高梯度电磁过滤器除了可以去除铁磁性腐蚀产物

对顺磁性铁腐蚀产物的去除效率也较高。

Abstract

Adopting the water sample prepared from actual corrosion products of iron in power plants

the performance of home-made new type(CAD) high gradient electro-magnetic filter has been tested.Results show that the iron content in effluent water is 2.5 μg/L

while that in inffluent water is 20 μg/L under condition of the rated flow rate in said CAD filter being 10 m3/h(flow speed 266 m/h)

the iron removal rate is 86.8%

the iron content in effluent water reaching the water quality standard of 5μg/L iron content in feed-water of supercritical once-through boiler specified in GB/T 12145—2008 《The water-steam quality of thermal power units and steam power equipments》.In the case of iron content in inffluent water being 40

185

700

and 1500 μg/L respectively

the iron content in effluent water is 7.6

12.2

18.1

and 26.2 μg/L respectively

the iron removal rate is 81.4%

93.4%

97.4%

and 98.3% respectively.Excepting the CAD high gradient electro-magnetic filter can remove the ferromagnetic corrosion products

its removal efficiency for paramagnetic corrosion products is also higher.

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