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首页> 外文会议>Air amp; Waste Management Association Annual International Conference on Incineration and Thermal Treatment Technologies; 20070326-28; Phoenix,AZ(US) >Thermal Oxidizer Experiences at a Treatment, Storage, and Disposal Facility
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Thermal Oxidizer Experiences at a Treatment, Storage, and Disposal Facility

机译：热氧化剂在处理，存储和处置设施中的经验

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摘要

Two thermal oxidizer systems were selected and installed to dispose of volatile organic emissions generated by a waste disposal operation. This paper provides a description of each case study. A Regenerative Thermal Oxidizer (RTO) system was selected to treat contaminated air from a drum processing operation. Previous treatment was by adsorption on activated carbon. High carbon costs drove the change to combustion, after water scrubbing and other approaches were rejected. Combustible dust entrainment and occasional solvent fume spikes in the air stream resulted in detonations inside the RTO and damage to the heat exchange packing on two separate occasions. Installation of a dust filter and two flammability range analyzers, plus automatic diversion dampers has proven effective in eliminating the problems. A Direct Fired Thermal Oxidizer (DFTO) was selected to treat contaminated air from tank truck and railcar cleaning operations, after an RTO or a flare were judged to be impractical. DFTO operation was successful, but occasional spikes in hydrocarbon load drove the stack out of oxygen[MEG1], resulting in smoke and flame above the stack and flashbacks to the waste gas detonation arrestors on more than one occasion. Installation of waste gas analyzers allowed temporary DFTO bypass during spikes. Improved process gas monitoring enabled quicker response times.
机译：选择并安装了两个热氧化系统，以处理废物处理操作产生的挥发性有机物排放。本文提供了每个案例研究的描述。选择了蓄热式热氧化器（RTO）系统来处理来自转鼓加工操作的污染空气。先前的处理是通过吸附在活性炭上。在拒绝水洗和其他方法之后，高昂的碳成本促使人们改变了燃烧方式。气流中夹带的可燃粉尘和偶尔出现的溶剂烟雾峰值导致RTO内部爆炸，并在两次不同的情况下损坏了热交换填料。事实证明，安装灰尘过滤器和两个可燃范围分析仪以及自动转向风门可以有效地解决这些问题。在判定RTO或火炬不切实际后，选择了直接燃烧热氧化器（DFTO）来处理来自油罐车和轨道车清洁操作的污染空气。 DFTO操作成功，但偶尔出现的碳氢化合物负荷峰值将烟囱中的氧气[MEG1]驱除，导致烟囱上方的烟雾和火焰，并在不止一次的情况下闪回至废气爆震避雷器。废气分析仪的安装允许在峰值期间临时进行DFTO旁路。改进的过程气体监控可加快响应时间。

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