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Because of the advantages of high efficiency and low resistance, the electrostatic precipitator (ESP) are widely used for dust removal, and becoming one of the main technology for smoke control. Because ESP use high voltage DC power supply, which produces ozone, and have bad effect on equipment and materials in the dust removal system. Research on ozone forming rules is useful for ESP operation safely...
Coal-fired power plants produce large amount flue gas with fine particles which have seriously harmful effect on human being health. Filtration is the main technology to control fine particles, filter media is the key part of filtration. In the paper, several typical filter media are studied by experiment with fine particles in atmosphere. The results show that the filtration efficiency increase with...
PPS filter is widely used in Thermal Power Plant Dedusting, the mechanical properties of PPS filter is influenced by the high temperature of flue gas. In this paper, effect of high temperature on PPS filter was studied. The results showed that with increasing temperature, the breaking strength of filter has a downward trend; the fiber of base fabric and surface has great impact on the mechanical properties...
PPS filter media is one of the best available filter media for dust collection in the coal-fired power plant, but the performance of PPS filter media is influenced by SO2 in the flue gas. In this paper, effect of SO2 on PPS filter media was studied. Through the analysis of mechanical performance, microscopic characteristics and chemical structure of PPS filter media, it is considered that PPS filter...
The complex of ESP and baghouse become popular for removing dust from coal-boiler smoke at power station in China. High voltage in ESP may generate ozone which will exert negative effect on PPS filter. So the lifetime of filter in baghouse will be shortened. In the paper, some systematic experiments are designed to find the effect of ozone concentration and contacting time on PPS filter. The experiment...
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