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研究烟气粉尘脱硫检测系统的气桥传感器 .计算由于烟气含硫化合物及粉尘浓度动态的变化引起的桥臂气阻的变化 ,阐述非线性气阻的平衡条件和不平衡的信号输出 .文章讨论应用气桥原理制造检测元件及气桥和温度传感器的关系 .最后介绍烟气脱硫及除尘在工业环境治理中的应用 .
The gas bridge sensor for flue gas dust desulfurization detection system is researched.The variation of air resistance of bridge arm due to the dynamic change of sulfur compounds and dust concentration in flue gas is calculated and the equilibrium condition of unbalanced air resistance and unbalanced signal output are elaborated. Discusses the application of the air bridge principle to manufacture the testing components and the relationship between the air bridge and the temperature sensor.Finally, the application of flue gas desulfurization and dust removal in the industrial environment control is introduced.