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論文名稱 Title |
加熱爐鋼胚之三維熱傳模擬分析 Three-Dimensional Heat Transfer Simulation Analysis of Slab in Batch Type Reheating Furnace |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
76 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2006-06-14 |
繳交日期 Date of Submission |
2006-07-28 |
關鍵字 Keywords |
加熱爐、熱傳導、熱傳模擬 Reheating Furnace, Heat Conduction, Heat Transfer Simulation |
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統計 Statistics |
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中文摘要 |
鋼鐵為工業之母,且為一能源消耗密集的工業,自從能源危機發生以來,世界各國鋼鐵廠無不積極地採取各項能源節約的措施,以求降低燃料與電力的消耗。在鋼鐵廠中較消耗能源的製程設備就是加熱爐,如何減少加熱爐能源消耗便成為重要課題之一,減少耗能的對策方面可由分析熱傳模式及改變加熱爐特性著手。 本研究將建立一套批次式上下部加熱爐模擬系統,以三維動態熱傳模式來分析鋼胚在加熱爐內的溫度變化,探討影響批次式加熱爐之能源節約或能源消耗的因素。利用熱平衡模式來分析燃料消耗的情形,再依據不同的操作條件,探討爐內鋼胚的昇溫情形、均熱程度以及能源消耗之關係。 |
Abstract |
Steel is the mother of industry, and is also an energy consumption intensive industry. Since the energy crisis, the various countries iron and steel plants positively take each energy frugal measure in order to reduce the fuel and the electric power consumption. In the iron and steel plant comparatively consumes the energy the system regulation equipment is the reheating furnace, so to save energy in a reheating furnace and reduce the energy consumption become one of important topics. The reduction consumes energy the countermeasure aspect may by analyze the heat transfer model and the change reheating furnace characteristic begins. In this thesis, we will build a simulation system of reheating furnace to analysis the temperature change of slab in a reheating furnace and discussion energy consumption factor. And then we use the thermal balance model to analysis the situation of fuel consumption. According to different conditions, we want to discuss the relationships energy consumption and increasing temperature of slab inside furnace. |
目次 Table of Contents |
目錄.....................................................Ⅰ 表目錄...................................................Ⅲ 圖目錄...................................................Ⅳ 符號說明.................................................Ⅵ 中文摘要.................................................Ⅷ 英文摘要.................................................Ⅸ 第一章 緒論..............................................1 1-1 前言.................................................1 1-2 研究背景.............................................1 1-3 文獻回顧.............................................2 1-4 研究重點.............................................5 第二章 鋼鐵製程與加熱爐模擬系統..........................7 2-1 鋼鐵製程.............................................7 2-2 加熱爐的功用.........................................8 2-3 加熱爐模擬系統......................................11 第三章 理論模式.........................................16 3-1 燃料熱值計算........................................16 3-2 熱輻射..............................................17 3-3 熱對流..............................................21 3-4 熱傳導..............................................22 3-5 爐體與耐火材........................................27 3-6 數值方法............................................28 第四章 系統模擬分析.....................................35 4-1 鋼胚尺寸之影響......................................35 4-2 空燃比之影響........................................37 4-3 燃料之影響..........................................38 4-4 鋼種之影響..........................................39 4-5 加熱能力之影響......................................40 4-6 加熱型態之影響......................................40 4-7 鋼胚維度之影響......................................41 第五章 結論與建議.......................................61 5-1 結論................................................61 5-1 建議................................................63 參考文獻................................................64 |
參考文獻 References |
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