資料簡介
日益嚴(yán)格和不確定的監(jiān)管環(huán)境和更低的天然氣價(jià)格 使現(xiàn)有的蒸汽鍋爐日益向天然氣燃燒轉(zhuǎn)變 吸引人的 本文對燃煤蒸汽轉(zhuǎn)化項(xiàng)目進(jìn)行了總體可行性評價(jià)。 發(fā)電機(jī)組以100%天然氣燃燒。我們提出一種評估允許影響的方法。 根據(jù)所需設(shè)備確定方向和范圍的項(xiàng)目，以實(shí)現(xiàn) 目標(biāo)排放。該項(xiàng)目的技術(shù)可行性，包括燃燒器技術(shù)的范圍 不同鍋爐燃燒構(gòu)型，天然氣對熱性能的影響，美國 機(jī)械工程師協(xié)會(huì)（ASME）和國家消防協(xié)會(huì)（NFPA） 對規(guī)范要求、大氣污染控制設(shè)備進(jìn)行了討論。 以工業(yè)鍋爐改造為例進(jìn)行了案例分析。這個(gè) 討論了該項(xiàng)目的實(shí)施，包括天然氣管道/輸送系統(tǒng)的設(shè)計(jì)。 廠房系統(tǒng)，新型燃?xì)馊紵?，吸熱對現(xiàn)有熱量的影響 轉(zhuǎn)移表面，并影響設(shè)備平衡和設(shè)計(jì)。這個(gè)項(xiàng)目是 成功完成于2014年11月。
An increasingly stringent and uncertain regulatory environment and lower natural gas prices have made converting existing steam generating boilers to natural gas firing increasingly attractive. This paper provides a general feasibility assessment of projects that have converted coal-fired steam generating units to 100% natural gas firing. We present an approach to assess permitting impacts to the project that dictate the direction and scope in terms of required equipment to achieve the targeted emissions. The project’s technical feasibility, including burner technologies for a range of different boiler firing configurations, natural gas effects on thermal performance, American Society of Mechanical Engineers (ASME) and National Fire Protection Association (NFPA) code requirements, and air pollution control equipment are discussed. A case study is presented which involved the conversion of existing industrial boilers. The implementation of the project is discussed, including the design of the natural gas piping/delivery system on the plant premises, new gas-fired burners, heat absorption impacts with existing heat transfer surfaces, and impact on the balance-of-plant equipment and design. The project was successfully completed in November 2014.
資料截圖
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