能源的供不應求及價格飆漲已經嚴厲與殘酷的影響所有產業的生存，特別是能源密集產業已經面臨前所未有之強大競爭存續壓力。石油煉製與鋼鐵煉製等雖為傳統產業，卻是所有產業倚賴之根本，因此從事高溫產業之全球各大國際企業，極欲取得長期供應、品質與價格穩定的原料。因此企業若能主動降低生產本身所耗能源成本，並利用生產過程中所產生之廢棄熱源，將之回收利用，進而產生能源的效益，除可大為降低對一次能源之倚賴，並可有效達到能源自主與能源成本之控制，獲取企業的最大利益。
本研究藉由對C公司的個案研究，以 SWOT分析、五力分析以及國家鑽石體系理論，來對我國能源密集產業競爭環境做分析，以了解我國能源密集產業競爭環境的優劣勢，首先，針對台灣能源密集產業在應用廢熱回收系統以及能源再利用的現況進行調查，再來，就整個台灣能源密集產業應用廢熱回收系統，至產生之直接亦或間接效益，對整體競爭力的提升有何助益，以面對全球的競爭。
本研究結果發現目前能源密集產業面臨最大的壓力即是能源供應的不足，而環保問題也日益受到重視，因此各國正積極朝加強推動節能技術、提高能源使用效率、開發再生性能源等方向努力。以台灣鋼鐵業C公司為例，發現C公司在導入廢熱回收系統裝置之後，有以下效益產生︰
1、可回收熱風爐排放之廢熱能，減少COG用量，將節省的COG轉用下游，並取代高價的外購天然氣，有利降低C公司的能源成本。
2、可提升熱風爐效率，精進操作技術，同時去除BFG及AIR中的水分，進而延續熱風爐燃燒器的使用壽命，有利現有設備。
3、此技術已成熟穩定且商業運轉實績良好，為世界各鋼廠使用做為節能主要方法之一，因此採行本系統非但沒有技術上的風險，亦可提升C公司節能的形象。
4、可減少排放廢氣中SOX含量及降低排放廢氣的溫度外，亦可減少本公司的CO2排放量，有利自然生態保育。


本文研究發現，能源密集產業是台灣過去為因應各種時空背景不同情況下之經濟發
展需求，所努力培養的重要產業，但隨著時代的進步，能源密集產業也需要進行產業的
調整，在面對能源危機及全球暖化的環境之下，能源的不足以及能源成本昂貴是台灣最
大的隱憂，加上目前台灣的節能技術較日本及歐美國家落後許多，整體來說，台灣能源
密集產業於目前是處於劣勢的狀況，故若台灣能夠透過技術的引進、技術合作、技術研發或是人才培訓的方式，使得台灣的節能技術獲得更進一步的提升，不僅可降低對環境的傷害，符合環保效益，亦可使產業的能源使用效益提高，增加產業競爭力，更甚一步者，若整體產業競爭力增加，則對於國家的競爭力也會有正面的幫助。
以全球能源密集產業觀點，能源供應不足且價格居高不下，再加上再生能源的開發
並非一朝一夕，短期以至中長期有效的能源問題解決方法即是降低對能源的使用量，節能系統的使用除了可降低生產成本之外，亦可提高能源使用效率，對於高耗能的能源密集產業來說，實有相當大的助益，而本研究所提到的單管式廢熱回收系統即為良好的節能應用技術之一。

The shortage of energy supply against growing demand globally has caused seriously impact to all industries, dead or alive, especially for the energy intensified industries, like oil refinery (Petroleum) Iron and Steel making industries which has been confronting tremendously with pressing concern for survival.

Even both industries are within traditional industrial factor, but represent as key and fundamental industries as relied on, by all industries of a Nation. Therefore, all the international enterprises dealing with high-temperature production have been striving for long-term supply & steady quality of raw material of energy. Under this circumstance, the enterprises shall be offering to find the measures for cost-down of energy consumed, and further utilize the waste gas and heat as generated out of the production, that would surely produce the efficiency of energy, and not only diminish the dependence on primary energy, it also can effectively reach the goal of “Independence of Energy” and optimization for the control of energy cost.

This study is adopting the case study of Company “C”, with the analysis of SWOT, Five-force Analysis, and Diamond Model by Michael Porter, to further analyze the overall environment and circumstance of energy intensified industries. So that, it might help to understand further the strength and weakness of the energy intensified industries of our nation. First of all, to proceed the survey for the application of waste heat recovery system to energy intensified industries, and secondly, the application of waste heat recovery system to energy intensified industries in Taiwan, to generate direct and indirect efficiency whether or not to escalate the overall competitiveness to face the global competition.

This research recognize the No. 1 pressure & bottle neck of the energy intensified industry lies mainly in the insufficiency of energy supply, and the upcoming environmental protection is getting more conscious & concerned. Therefore, all the industrialized countries have moved further forward to reinforce the energy saving technology, and increase the efficiency of energy using, developing new generation of energy with more efforts. Adoption of Company “C”, has recognized the following benefit, after the introduction of Waste Gas Heat Recovery System:

1. Recovery of Waste Gas of Hot Blast Stove, reduction of COG use, to transfer the saved COG to down-stream, to substitute the expensive natural gas, which is benefit to Company “C” in the respect of energy saving.
2. Increasing the operation efficiency of hot blast stove, to have operation technique more
Sophisticated, in the meantime, to eradicate the moisture out of BFG/Air and further extend the life time of ceramic burner of hot blast stove.
3. The Waste Gas Heat Recovery System has been totally mature with good reference of operation in the world market, which has been used by most steel mills in the world. There is actually no risk to adopt and apply this technology, & further carve out the good image of company “C” in the respect of energy saving.
4. Reduction of SOx out of waste gas, and further diminish the temperature of waste gas released and can reduce the CO2 emission that is friendly to our environment.

The research of this study recognized further, that energy intensified industry has been built up due to the scenario and situation of Taiwan in past few decades, in view of the development of economy, which is crucial industry & business sector. However, with the time running, the energy intensified industry requires to be adjusted for adaptation to the industrial environment of energy crisis and global warming. In this case, the largest potential worry for Taiwan is obviously insufficiency of energy supply. Furthermore, the technical level of energy saving of Taiwan is far more behind Japan, & many other European countries. General Speaking, the energy intensified industry of Taiwan is in weak situation at this moment. If Taiwan might introduce more advanced technology, and technical cooperation, technical research and development, or even training of qualified personnel enabling to upgrade the energy saving of Taiwan to be further upgraded for increasing the competitiveness of industries which is surely positive for a nation being more competitive.

In view of energy intensified industry, shortage of energy supply and the price be kept high end, the recycling energy is not available within short time, for short and mid term, the best effective measures to solve the problem of energy is to reduce the amount of energy, for long run, it is great help to use the energy saving system to the energy intensified industry. For one hand, it might reduce the production cost; on the other hand, it can increase the energy operation efficiency. The heat pipe Waste Gas Heat Recovery System as described in this Study is well sound technology of energy saving.

致謝辭………………………………………………………………………i
中文摘要…………………………………………………………………… ii
英文摘要…………………………………………………………………… iv
目錄………………………………………………………………………… vi
表目錄……………………………………………………………………… viii
圖目錄……………………………………………………………………… ix

第一章 緒論………………………………………………………………… 1
第一節 研究動機與背景…………………………………………………. 1
第二節 研究目的…………………………………………………………. 2
第三節 研究方法與流程…………………………………………………. 3
第四節 研究內容與限制…………………………………………………. 6
第二章 文獻探討……………………………………………………………. 9
第一節 熱管式廢熱資源回收……………………………………………. 9
第二節 能源再生系統…………………………………………………… 18
第三節 全球競爭策略…………………………………………………… 25
第三章 台灣能源密集產業環境分析……………………………………… 38
第一節 產業結構與關聯性……………………………………………….38
第二節 產業特性………………………………………………………….41
第三節 節能措施與實行績效…………………………………………….44
第四章 台灣能源密集產業對全球競爭策略分析………………………….46
第一節 台灣能源密集產業SWOT分析………………………………….46
第二節 台灣能源密集產業五力分析……………………………………..50
第三節 台灣能源密集產業鑽石模型分析………………………………..53
第四節 台灣能源密集產業個案研究─C公司.…………………………...58
第五章 結論與建議…………………………………………………………..68
第一節 結論………………………………………………………………..68
第二節 建議………………………………………………………………..69
第三節 後續研究的建議…………………………………………………..70
參考文獻………………………………………………………………………72
中文部分…………………………………………………………………..72
英文部分…………………………………………………………………..73

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