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采用动态污垢热阻监测的方法,对MgO和CaCO_3组成的混合垢、SiO_2和CaCO_3组成的混合垢形成过程中流速、颗粒浓度、颗粒种类等参数变化的影响进行了实验研究,并通过实验考察低压电子装置在不同电流(0.2A,1.0A)下处理这两类混合垢时的阻垢性能。两种混合垢的污垢热阻与传热系数对比表明,低压电子装置对MgO和CaCO_3组成的混合垢具有明显的抗垢效果,而对SiO_2和CaCO_3组成的混合垢,却有不同效果。
The dynamic fouling thermal resistance monitoring method was used to study the influence of the mixed fouling content of MgO and CaCO_3, the mixed fouling of SiO_2 and CaCO_3, such as flow velocity, particle concentration and particle type. The effects of low pressure The scale inhibition performance of the electronic devices when these two types of mixed scale were treated at different currents (0.2A, 1.0A). Comparison of the fouling resistance and heat transfer coefficient of the two kinds of mixed fouling shows that the low pressure electronic device has obvious anti-fouling effect on the mixed fouling of MgO and CaCO 3, but has different effect on the mixed fouling of SiO 2 and CaCO 3.