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燃煤发电机组的改造CONVERSION OF COAL-FIRED ELECTRIC GENERATING UNITS TONATURAL GAS-FIRED UNITS 燃煤发电机组的改造CONVERSION OF COAL-FIRED ELECTRIC GENERATING UNITS TONATURAL GAS-FIRED UNITS

燃煤发电机组的改造CONVERSION OF COAL-FIRED ELECTRIC GENERATING UNITS TONATURAL GAS-FIRED UNITS

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  • 更新时间:2021-09-15
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日益严格和不确定的监管环境和更低的天然气价格 使现有的蒸汽锅炉日益向天然气燃烧转变 吸引人的 本文对燃煤蒸汽转化项目进行了总体可行性评价。 发电机组以100%天然气燃烧。我们提出一种评估允许影响的方法。 根据所需设备确定方向和范围的项目,以实现 目标排放。该项目的技术可行性,包括燃烧器技术的范围 不同锅炉燃烧构型,天然气对热性能的影响,美国 机械工程师协会(ASME)和国家消防协会(NFPA) 对规范要求、大气污染控制设备进行了讨论。 以工业锅炉改造为例进行了案例分析。这个 讨论了该项目的实施,包括天然气管道/输送系统的设计。 厂房系统,新型燃气燃烧器,吸热对现有热量的影响 转移表面,并影响设备平衡和设计。这个项目是 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.

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