RTO蓄热式氧化炉技术_安徽蓝清源环境科技有限公司
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RTO蓄热式氧化炉技术

发布时间:2018-03-19 作者:管理员 分类:VOCs废气治理工艺技术
RTO蓄热式氧化炉技术
Regenerative Thermal Oxidizer (RTO) Technology

 
       RTO(蓄热式氧化炉)是一种高效有机废气治理设备,与传统的催化燃烧、直燃式热氧化炉相比,具有热效率高(≥95%)、运行成本低、能处理大风量低浓度废气等特点,浓度稍高时,还可进行二次余热回收,大大降低生产运营成本。废气分解效率达到99.5%以上,VOCs综合去除率在98.5%以上。
 
       RTO主体结构由燃烧室、蓄热填料床和切换阀等组成;其原理是把有机废气加热到760℃以上,使废气中VOCs氧化分解对应的氧化物和水。氧化产生的高温气体流经特制的陶瓷蓄热体,使陶瓷体升温而"蓄热",此"蓄热"用于预热后续进入的有机废气,从而节省废气升温的燃料消耗。蓄热室"放热"后应立即引入适量洁净空气对该蓄热室进行清扫。陶瓷蓄热体应分成两个(含两个)以上的区或室,每个蓄热室依次经历蓄热-放热-清扫等程序,周而复始,连续工作。
 
RTO装置性能指标及废气处理效果
 
                                                                  ●焚烧温度   ≥800℃                    ●燃烧室、蓄热室避免温升  ≤15℃
                                                                  ●高温烟气停留时间   ≥1.2s         ●系统压降    ≤5000Pa
                                                                  ●燃烧效率 ≥99.9%                      ●运行周期    24小时连续运行
                                                                  ●VOCs综合去除效率  ≥99%        ●处理负荷    40-110%
                                                                  ●蓄热体热交换率   ≥95%             ●区域内噪声要求   ≤85dB
 
       RTO is a high-efficiency device used for the treatment of organic exhaust gas. Comparing with traditional CO and TO, it has higher thermal efficiency (≥95%) and lower operating cost and handles lower VOC concentrations but higher waste stream flow rates. Where the concentration is higher, RTO can also perform the waste heat recovery to greatly reduce the production and operation cost. The decomposition efficiency of exhaust gas is up to 99.5% while the comprehensive removal efficiency of VOCs is up to 98.5%.
 
       RTO mainly consists of combustion chamber, heat exchange media and switching valves. It heats the organic exhaust gas to 760℃+to oxygenize the VOCs in the gas into corresponding oxide and water. Then, the high-temperature gas generated flows through and heats up the special ceramic regenerator for thermal storage, which is used to preheat the organic exhaust gas followed. Hence, the fuel consumption of heating up the exhaust gas is saved. Once the regenerative chamber releases heat, the moderate clean air is imported immediately to clear up the chamber. The ceramic regenerator consists of two or more rooms or areas and each room successively experiences the heat storage, heat release and clear up in cycles for the continuous operation.
 
RTO Performance Index and Exhaust Gas Treatment Effect
 
                             ● Incineration temperature ≥800℃                              ● Combustion chamber and regenerative chamber not heated up ≤15℃
                             ● High-temperature flue gas residence time ≥1.2s      ●Pressure drop of system    ≤5000Pa
                             ● Combustion efficiency ≥99.9%                                  ●Operation cycle         Continuous operation of 24 hours
                             ● Comprehensive removal efficiency of VOCs ≥99%   ● Processing load        40-110%
                             ● Heat exchange rate of regenerator ≥95%                 ●Area noise requirement  ≤85dB
 
 
 

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