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首页> 外文会议>the Air Waste Management Association's Annual Conference Exhibition >Permitting and Operation Of A Billion Btu/Hr Bagasse Boiler Subject To Boiler MACT
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Permitting and Operation Of A Billion Btu/Hr Bagasse Boiler Subject To Boiler MACT

机译：允许和运营十亿BTU / HR Bagasse锅炉受锅炉举行的锅炉

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摘要

United States Sugar Corporation (U.S. Sugar) of Clewiston, Florida is a large sugar mill, grinding up to 24,000 tons sugar cane per day. To support the sugarcane processing and raw sugar refining operations, five bagasse-fired boilers operate. A brief overview of the mill and the process is presented. To provide reliable steam to the process, U.S. Sugar permitted and constructed a new 1,000 million British thermal units per hour (MMBtu/hr), 550,000 pounds per hour (lb/hr) steam, bagasse-fired boiler. The new boiler is state-of-the art, with a large furnace to control carbon monoxide (CO), volatile organic compound (VOC), and hazardous air pollutant (HAP) emissions, a selective non-catalytic reduction (SNCR) system to control nitrogen oxide (NO_x) emissions, and a wet scrubber and electrostatic precipitator (ESP) to control particulate matter (PM), metals, and hydrogen chloride (HCl) emissions. This paper presents the permitting, construction and operational history of this new boiler. Permitting issues involved compliance with the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial Boilers, promulgated under 40 CFR 63 Subpart DDDDD. This rule is also referred to as the Boiler MACT rule, since it implements maximum achievable control technology (MACT) requirements. The rule was proposed in 2003 and finalized in 2004. Uncertainty existed during permitting regarding limits the boiler would have to meet. Other issues included the necessity for an SNCR system for NO_x, and the form of the CO standard. The Boiler MACT rule contains limits for PM or total selected metals (TSM), HCl and mercury (Hg) for solid fuel-fired boilers. TSM includes eight metals: arsenic (As), beryllium (Be), cadmium (Cd), chromium (Cr), lead (Pb), manganese (Mn), nickel (Ni), and selenium (Se). Compliance options are provided in the rule, including stack testing, fuel sampling, and a risk- based option for TSM and HCl. This paper describes the applicable limits, analyzes compliance options, and presents the compliance strategy. The boiler became operational in January 2005. Actual stack emissions and fuel analysis results in comparison to permitted limits and the MACT rule are presented. An extensive bagasse sampling and analysis program was conducted. NO_x and CO CEMS operation and data are summarized as well as monitoring requirements for the new boiler.
机译：美国Sugar Corporation（美国糖）Clewiston，佛罗里达州是一家大型糖厂，每天研磨高达24,000吨甘蔗。为了支持甘蔗加工和原糖炼油操作，有五个甘蔗渣锅炉运行。介绍了工厂的简要概述和该过程。为该过程提供可靠的蒸汽，美国糖允许并建造了每小时1000万英国热单位（MMBTU / HR），每小时55万磅（LB / HR）蒸汽，燃烧锅炉。新的锅炉是最先进的，用大型炉子控制一氧化碳（CO），挥发性有机化合物（VOC）和危险空气污染物（HAP）排放，选择性非催化还原（SNCR）系统控制氮氧化物（NO_X）排放和湿式洗涤器和静电除尘器（ESP）以控制颗粒物质（PM），金属和氯化氢（HCl）排放。本文介绍了这款新锅炉的允许，建设和运营史。允许问题涉及遵守工业锅炉的危险空气污染物（NESHAP）的国家排放标准，颁布的40 CFR 63 Subpart DDDDD。此规则也称为锅炉管理规则，因为它实现了最大可实现的控制技术（CACT）要求。该规则是在2003年提出的，并于2004年完成。在允许锅炉允许达到会议期间存在的不确定性。其他问题包括NO_X的SNCR系统的必要性，以及CO标准的形式。锅炉MACT规则包含用于固体燃料燃烧锅炉的PM或总选定金属（TSM），HCL和汞（HG）的限制。 TSM包括八金属：砷（AS），铍（BE），镉（CD），铬（CR），铅（PB），锰（Mn），镍（Ni）和硒（SE）。规则中提供了合规性选项，包括堆栈测试，燃料采样以及TSM和HCL的基于风险的选项。本文介绍了适用的限制，分析合规选择，并提出了合规策略。锅炉于2005年1月开始运营。实际的堆栈排放和燃料分析结果与允许的限制和执行规则相比。进行了广泛的Bagasse抽样和分析计划。总结NO_X和CO CEMS操作和数据以及对新锅炉的监控要求。

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