顆粒床過濾器濾材粉塵振動篩分之研究

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姓名

紀克彥(Ko-Yen Chi) 查詢紙本館藏

畢業系所

機械工程學系

論文名稱

顆粒床過濾器濾材粉塵振動篩分之研究

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摘要(中)

以傳統氣送分離方式處理沾塵濾材循環再生系統，其缺點最嚴重者包括濾材容易破碎及粉塵分離不完全，因而以振動篩分方式將粉塵與過濾床質分離，是一項良好的解決方案。本研究目的為設計此一振動篩分系統，可為高溫過濾器循環再生系統所使用。我們先以分批篩分的研究，得到能夠有效分離濾材與相關粉塵之振動條件，進而在相同振動條件下改變篩網孔徑大小，獲得較佳的振動條件與篩網孔徑等參數。另外，更進一步設計一套振動篩分輸送裝置運用在顆粒床過濾器上，將分批篩分等參數運用在此連續式的篩分系統上。研究結果顯示，此系統能有效分離濾材與粉塵，並不會造成濾材在輸送過程中破碎。

摘要(英)

In a regeneration of filter granular system, the mainly disadvantages of sand/fly ash segregation by using traditional pneumatic transportation are sand broken and incomplete segregation. However, using vibrating screen to segregate sand and fly ash is a good method. The purpose of this study is to design a vibrating screen system, which can be applied into the regeneration of filter granular system in high temperature. First, the batch vibrating screen experiments are carried out to explore the optimum vibrating conditions which can separate sand and fly ash efficiently. The influence of screen aperture size on the screen efficiency and screen rate are also investigated in the batch screen experiments. Moreover, the results of optimum vibrating conditions from the batch screen experiments are applied into the continuous vibrating screen system. We add the continuous vibrating screen into the granular filter bed. The result demonstrate that the vibrating screen system can segregate sand and fly ash efficiently with less sand broken.

關鍵字(中)

★ 分離
★ 振動篩分
★ 再生
★ 篩分速率
★ 顆粒床過濾器

關鍵字(英)

★ sieving rate
★ vibrating sieve
★ segregation
★ regeneration
★ granular bed filter

論文目次

目錄
摘要.................................................. I
誌謝..................................................II
目錄.................................................III
圖目錄.................................................V
表目錄..............................................VIII
第一章、研究背景.......................................1
1-1 研究背景...........................................1
1-2 相關理論...........................................9
1-3 研究主題..........................................16
第二章、實驗方法......................................18
2-1 分批篩分實驗設備..................................18
2-2 連續篩分實驗設備..................................22
第三章、結果與討論....................................32
3-1分批篩分實驗結果...................................32
3-1-1分批篩分實驗之篩分效率隨時間的變化...............32
3-1-2有效篩分時間與篩分速率...........................43
3-1-3固定振動條件下篩分效率與振動條件的關係...........47
3-1-4 篩分時間與篩網阻塞..............................52
3-2連續篩分實驗結果...................................54
第四章、結論..........................................62
參考文獻..............................................64

參考文獻

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指導教授

蕭述三(Shu-San Hsiau)

審核日期

2005-7-14

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