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煤塵在囘風巷中之浮沉行為研究

The Flotation and Deposition Behaviors of Coal Dust in the Return-Air Ventilation Drift of Hai-Shan Colleries, Taiwan

摘要


本文係針對粉塵中之煤塵在煤礦通風道中,其浮游與堆積行為,作一探討,其目的在瞭解釋煤塵於通風道中分佈情形,並建立危險區,然後再配合臺灣煤礦常用消除危險區之作法作一合理之安排,以防止煤塵爆炸,並供現行作業改進之參考。研究範圍包括:(1)現場坑内測試(2)作室內分析,以瞭解煤塵在通風道中之浮游與堆積行為;利用實測資料並根據煤塵爆炸特性,建立危險區,以訂出正確而合理消除危險區之觀念。

關鍵字

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並列摘要


This work is to study the coal dust flotation and deposition in the return-air ventilation drift of Hai-Shan Coal Mines, northern Taiwan. It includes (1) the in-situ measurements of flotation and deposition of coal dusts in the air flow and some necessary ventilation parameters and (2) the laboratory analysis of coal dusts with a microscope to obtain the size distribution of the coal particles.

並列關鍵字

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