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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Effect of upflow and downflow baffle configuration on particulate matter removal in a mirror-symmetrical multi-compartment scrubber
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Effect of upflow and downflow baffle configuration on particulate matter removal in a mirror-symmetrical multi-compartment scrubber

机译：上流和下流挡板构造对镜对称多隔室洗涤器中的颗粒物质去除的影响

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摘要

Control over particulate matter (PM) emission from grilling is required for improving public health and air quality. The performance of mirror-symmetrical multi-compartment scrubbers with an upflow (U-type) and downflow baffle (D-type) configuration was evaluated for PM emission control from grilling at a flow rate of 30 m(3) min(-1). The PM removal efficiency of the U-type scrubber was the highest when the water level was 8 cm (95.6%), and the pressure drops recorded at the water levels of 6, 8 and 10 cm were 103, 122 and 153 mmH(2)O, respectively. Although PM removal efficiency of the D-type scrubber was over 91.0% at the water levels of 8, 10 and 12 cm, the pressure drops were 124, 142 and 185 mmH(2)O, respectively. A comprehensive evaluation of the water volume, pressure drop and PM removal performance, as well as device size, revealed that the U-type scrubber with a PM removal efficiency of 92% or higher and a pressure drop of 122 mmH(2)O or lower at the water levels of 6-8 cm was more economical for removing PM from grilling gas than the D-type scrubber.
机译：对提高公共卫生和空气质量来说，需要控制颗粒物质（PM）排放。镜面对称多隔室洗涤器的性能具有上流（U型）和下流挡板（D型）配置，用于PM排放控制以30米（3）分钟（-1）的流速烧烤。当水位为8cm（95.6％）时，U型洗涤器的PM去除效率最高，并且在6,8和10cm的水水平下记录的压降为103,122和153mmH（2 ）o分别。尽管D型洗涤器的PM去除效率在8,10和12cm的水体液下超过91.0％，但分别的压降分别为124,142和185mmH（2）o。综合评价水量，压降和PM去除性能以及器件尺寸显示U型洗涤器，PM去除效率为92％或更高，压降122mmH（2）O或在6-8厘米的水位下较低，对于从烧烤气体中除去PM而不是D型洗涤器更加经济。

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