流光放电烟气脱硫用高压脉冲电源的研制
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TQ152

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Design of the pulsed high-voltage power for FGD of streamer discharge
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    摘要:

    脉冲电晕法烟气脱硫优点显著,但该法可能使正离子和电子离开流光通道,发生复合反应的范围不够大,自由基分布不广,很难产生稳定、宽范围和有效的流光,这就影响烟气脱硫,严重降低脱硫效率. 本文分析了流光放电等离子体脱硫机理, 提出一种直流叠加高压脉冲电源流光放电等离子体发生技术, 并结合脱硫机理研制用于烟气脱硫的脉冲电源,通过现场运行测试,结果表明,在直流高压基础上叠加高压脉冲的技术方案可以有效提高脱硫效率.

    Abstract:

    The technology of DESO2 from flue gas by PPCP(Pulse Corona Induced Plasma Chemical Process) had obvious advantages, but the method could make the positive ions and electrons leave the streamer channels, the range of complex reaction be not big enough, the free radicals be not widely distributed, which was difficult to produce a stable, wide range and effective streamer. It had a bad influence in DESO2 from flue gas and decreased the efficiency of DESO2 seriously. In the paper, the technology of inspiring streamer discharge plasma by DC superimposed high voltage pulse power supply was presented and the mechanism of streamer discharge plasma desulfurization was analyzed. The mechanism of DESO2 was also used to develop pulse power which could do DESO2 from flue gas. Through the field operation test, it showed that the technical scheme of high voltage pulse superimposed on the DC high voltage can improve the efficiency of DESO2 effectively.

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引用本文格式: 王积成,冯德仁,宛传友,潘绪超. 流光放电烟气脱硫用高压脉冲电源的研制[J]. 四川大学学报: 自然科学版, 2018, 55: 813.

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历史
  • 收稿日期:2017-11-26
  • 最后修改日期:2017-12-08
  • 录用日期:2018-01-02
  • 在线发布日期: 2018-07-03
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