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首页> 外文会议>41th Annual Conference of Metallurgists of CIM International Symposium on New Technology Implementation Metallurgical Processes Aug 11-14, 2002 Montreal, Quebec, Canada >Off-gas afterburner design and implementation at the Cerro Matoso nickel smelter
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Off-gas afterburner design and implementation at the Cerro Matoso nickel smelter

机译：Cerro Matoso镍冶炼厂的尾气再燃器设计与实施

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摘要

This paper reviews options for treating gases from laterite smelting, describes the off-gas system selected for Cerro Matoso S.A.'s second furnace line and discusses details of the afterburner design and its performance as part of the overall system. Off-gas systems for electric furnace smelting of laterites must satisfy several criteria. The furnace freeboard must be controlled in the correct range of temperature and pressure, the fine dust emitted from the furnace must be collected and the system must safely handle variable concentrations of carbon monoxide, which are frequently above the explosive limit. Hatch and CMSA designed an off-gas system to handle these difficult conditions. The key to the system is the front-end afterburner design. The afterburner is water-cooled and has forced staged air addition, helping to prevent buildup, control heat fluxes and ensure safe and effective carbon monoxide combustion. The system is currently being commissioned and is performing well.
机译：本文回顾了处理红土冶炼气体的选项，描述了Cerro Matoso S.A.第二条炉线选择的废气系统，并讨论了后燃器设计的细节及其作为整个系统一部分的性能。用于红土的电炉冶炼的废气系统必须满足几个标准。炉干高度必须控制在正确的温度和压力范围内，必须收集从炉中散发出的细粉尘，并且系统必须安全地处理变化的一氧化碳浓度，该浓度经常超过爆炸极限。 Hatch和CMSA设计了一种废气处理系统来应对这些困难的条件。该系统的关键是前端加力燃烧器设计。加力燃烧器是水冷式的，并强制分阶段添加空气，有助于防止积碳，控制热通量并确保安全有效的一氧化碳燃烧。该系统目前正在调试中，并且运行良好。

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