| 研究生: |
王順龍 Wang, Shun-Lung |
|---|---|
| 論文名稱: |
生產用電量與用水量之關係-以某彩色濾光片製程為例 Relationships between electricity and water consumptions - a color filter production process as an example |
| 指導教授: |
張行道
Chang, Andrew S. |
| 共同指導教授: |
陳正忠
Chen, Jeng-Chung |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 工程管理碩士在職專班 Engineering Management Graduate Program(on-the-job class) |
| 論文出版年: | 2016 |
| 畢業學年度: | 104 |
| 語文別: | 中文 |
| 論文頁數: | 64 |
| 中文關鍵詞: | 用電量 、用水量 、生產量 、水電量關係 、生產步驟 、彩色濾光片 |
| 外文關鍵詞: | electricity consumption, water consumption, production quantity, relationship between water and electricity consumptions, manufacturing process, color filter |
| 相關次數: | 點閱:165 下載:4 |
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電和水在工廠中通常是分開管理,然而它們是有緊密相關,工廠使用電帶動整條生產線,其中需要用到水生產的設備,電量會消耗在水泵浦、傳送、回收這些過程。
本研究檢視工廠用電與用水使用量的關係,嘗試找出可以節能的潛在點與做法。依照個案工廠在生產設備區域中裝設電錶及區域水錶,最消耗電、水的生產步驟為Black Matrix,原因在於生產步驟中固烤次數比較多,以及彩色濾光片生產第1步驟,需要完整矩陣所致。
工廠用電量與用水量的統計關係為中等(0.65),用電量排序較前,用水量排序接近中後段,和工廠品質異常及設備異常處置有直接關係,異常須不斷使用電源測試,而用水設備可以進入節能模式,等待設備恢復。
分析個案工廠無塵室內生產設備,分析每日用電量、用水量、生產量的關係,用電量與生產量相關性為(0.78),用水量與生產量為(0.78)相關性皆為高,原因為設備異常停止時間過久,造成其他生產步驟空運轉,持續用電,另一項可能是工廠節水系統WIS,因為品質異常處理而關閉,純水用量增加。
彩色濾光片電、水成本,於某年有上升趨勢,因為面板產業與畫數演進,生產高規格產品,在這過程需要增加新的生產設備,更換新材料,才能做品質要求,讓製造節省能源與水有難度,而要思考不同做法。
In a plant, electricity and water are usually separately managed; however, both of them are closely connected to each other. Electricity is implemented to drive the whole production line of which the manufacturing equipment driven by water consumes most of the electricity. Take the water pump as an example, electricity is consumed in its conveyance and recycling processes. This study inspected the relationships between the consumptions of electricity and water in the given plant and then attempted to find the potential key point and solution to save energy. In this case, electric meters and water meters were installed in the production line area. It was found that most of the electricity and water are consumed in the Black Matrix process. The main reasons are: 1) There are more frequent times of hard baking manipulated in the Black Matrix process; 2) a complete matrix is required for the first manufacturing process of making color filters.
The statistical relationship is moderate (0.65) between the electricity and water consumptions. Of its correlation ranking, water consumption is below the average; electricity consumption on higher rank is directly correlated to the anomalies of quality and equipment as above-mentionedanomalies result in the repeated tests that require consider able electricity consumption. By contrast, the water system can shift into energy-saving mode timely and resumes until the equipment restores.
In this case, the clean room of the given plant was analyzed by inspecting the relationship among the daily electricity and water consumptions as well as the production quantities. The correlation coefficient between the electricity consumption and the production quantity is 0.78. Simultaneously, the correlation coefficient between the water consumption and the production quantity is also 0.78. Both electricity and water consumptions are highly correlated to the production quantity. The reason is electricity had been continuously supplied to other idling manufacturing processes for long since the equipment anomaly happened. As for the increasing consumption of pure water, it is conjectured that the water inter-use system is shut down to handle quality anomalies.
The costs of electricity and water have been on the rise for manufacturing color filters since some year for the evolutions of pixels and TFT-LCD panel industry. In the process of producing high end products, it is necessary to increase new equipment and find better alternative materials to meet the requirement of product quality. Therefore, it increases the difficulties for manufacturers to save energy and water. Instead, thinking of an innovative solution is quite necessary for panel manufacturers.
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