水平流型粒子充てん層フィルターの集じん特性

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  • Performance of horizontal gas flow granular bed filters.
  • スイヘイリュウガタ リュウシ ジュウテンソウ フィルター ノ シュウジン トク

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The fundamental properties of horizontal gas-flow granular-bed filters with dust loading were investigated experimentally.<BR>Dust was always collected at the inlet part in the initial stage, and moved inside as the filtration process proceeded. The collection efficiency initially increased due to some retained particles, and was affected by reentrainment from critical inlet dust loads.<BR>The additional pressure loss was proportional to the 1.3th power of the retained dust loading, and a conceptual model for predicting pressure loss buildup was proposed on the postulate that dust accumulated uniformly on the surface of a collector. The correction factor λ, a proportion of the specific surface area of retained dust that contributes to head loss, was dependent on the filtration velocity and was determined experimentally.

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