臺灣博碩士論文加值系統

乾式研磨時不需添加溶劑，可減少被研磨物變質的可能性並簡化研磨後乾燥與分散的程序，提供速度快、雜質量少的研磨製程。
目前乾式研磨的平均細度極限約為500 nm，距離奈米級加工有明顯的差距，亟待開發突破。噴流式研磨機是目前可達最小細度的乾式研磨機之一，本研究利用內建高轉速研磨刀的設計來改良噴流研磨機，並以研磨沸石來檢測其研磨效果的改良情形。經由粒徑分析儀、掃描式電子顯微鏡、能量散佈光譜儀及比表面積分析儀等檢測奈米粒子的特性與型態。
研磨刀是由1隻到2隻厚度2~3 mm的S型跟直線型所組成。
當研磨刀以和噴流相反之方向高速旋轉時，一方面因為增加氣流阻力使部分沸石在大顆粒時即排出研磨腔，一方面因為反方向的衝擊力，使部分沸石被粉碎成奈米級粒子。厚度3 mm的十字直刀具有最佳的研磨改進效果，研磨後的沸石平均細度由2074.4 nm減小至142.1 nm。預期此改良式噴流研磨機配合循環研磨與分級製程，可應用於奈米級粒子的乾式研磨生產。

The dry milling reduces the possibility of a deteriorated quality and simplifies the dried and dispersed procedure after grinding due to the absence of solvent. It offers a promptly ground procedure with less impurity.
The size limitation of dry milling at present is about 500 nm which is far from nano scale and still needs to be further reformed. In this study, the high rotation at speed grinding tool was inbuilt in jet-mill in order to improve the ground ability. Zeolite was ground by the jet-mill to evaluate their effect and performance. We analyzed characteristic of the nano particles by Submicron Particle Size Analyzer , Scanning Electron Microscope(SEM) , Energy Dispersive Spectrometer(EDS) and Specific Surface Area and Pore Size Analyzer.
The grinding tool composition is by 1 ~ 2 tools which with S-shape and cross-shape in a thickness of 2~3 mm.
As the grinding tool rotated with high speed in the opposite airflow direction, zeolites with the large particle size were ejected owing to the increament of the airflow obstruction and others were crushed into nano scale due to the shock force between the airflow and grinding tool. The grinding tool with cross-shape in a thickness of 3 mm have the best grind performance in its particle size. After grinding, the particle size decreased significantly from 2074.4 to 142.1 nm. It is recommend that this type of jet-mill can be cooperated with the classification process which has the potential for the mass production of particle grinding in nano scale.

中文摘要…………………………………………………………………I英文摘要 ……………………………………………………………….II圖目錄…………………………………………………………………..VI 表目錄…………………………………………………………………..IX
第1章 前言...............................................................................................1
第2章 原理與文獻回顧...........................................................................8
2-1. 奈米粉體的製備方法……............................................................8
2-2. 奈米粉體研磨技術……………....................................................9
2-3. 奈米粉體研磨設備......................................................................10
2-3-1. 高能球磨機...................................................................... .....10
2-3-2. 攪拌式球磨機........................................................................13
2-3-3. 振動研磨機............................................................................14
2-3-4. 行星研磨機............................................................................14
2-3-5. 氣流粉碎機…........................................................................15
2-4. 典型的氣流粉碎機的結構、原理、功能及評價..........................17
2-4-1. 圓盤式氣流粉碎機（Micron-Jet Mill）...................................17
2-4-2. JOM系列循環式氣流粉碎機（Jet-O-Mill）............................20
2-4-3. 靶式氣流磨............................................................................22
2-4-4. 超音速衝擊板式氣流粉碎機…............................................23
2-4-5. 衝擊環式氣流粉碎機…........................................................25
2-4-6. 對撞式氣流粉碎機…............................................................27
2-5. 各項專利之簡單介紹及示意圖…..............................................29
第3章 設計製造與實驗.....................................................................36
3-1. 氣流研磨機之設計與製造..........................................................36
3-1-1. 研磨機設計............................................................................36
3-1-2. 研磨機及研磨刀成品.......................................................... .39
3-1-3. 研磨粉碎刀種........................................................................43
3-2. 實驗材料......................................................................................44
3-3. 實驗檢測器材..............................................................................46
3-4. 實驗流程......................................................................................48
第4章 結果與討論.................................................................................50
4-1. 研磨氣壓可用範圍......................................................................50
4-2. 粒徑分析結果..............................................................................53
4-2-1. 無研磨刀之粒徑分析..........................................................53
4-2-2. 各種類研磨刀粒子體積之粒徑分析..................................54
4-2-3. 各種類研磨刀粒子數量之粒徑分析..................................55
4-3. SEM分析結果..............................................................................57
4-4. EDS分析結果...............................................................................61
4-5. 沸石研磨前後吸附能力測試......................................................62
第5章 結論............................................................................................ 64
第6章 建議............................................................................................ 65
參考文獻..................................................................................................66

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