OALib Journal期刊
ISSN: 2333-9721
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袋式除尘器运行情况分析及延长滤袋寿命的运行措施
, PP. 74-76
Keywords: 袋式除尘器,布袋电袋复合除尘器,滤袋寿命,烟气温度,除尘器压差,清灰方式
Abstract:
分析现有布袋、电袋复合除尘器实际运行情况,以及烟气温度、除尘器前后压差、清灰方式、烟气的含氧量和so2含量对滤袋寿命的影响。结果表明,烟气温度高、除尘器实际运行压差大、烟气中氧气和so2浓度高是造成滤袋破损的主要原因。对此,提出通过选择耐高温、耐酸腐蚀的滤料,采用烟气紧急喷雾的方法降低烟气温度,调整燃料成分,降低烟气中氧气和so2浓度,控制喷吹空气压力,合理设计清灰方式、清灰频次及清灰时间等措施,以延长滤袋使用寿命。
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