The energy system of regenerative oxidation furnaces used in glove industry:Heat balance and numerical simulation
To better understand the heat balance and energy system of the regenerative thermal oxidizer(RTO),this study investigated an RTO used for treating VOC waste gas in a glove factory.Based on the RTO fuel consumption estimation method proposed by the Institute of Clean Air Companies,this study constructed the energy system of the glove factory's RTO system,assessed its heat loss and steam production under theoretical working conditions,and calculated the wall dissipation energy.Meanwhile,this study systematically investigated the influencing factors of RTO steam production in the glove industry using numerical simulation,revealing the internal energy distribution of the RTO equipment.The results showed that the suitable exhaust volume for the front-end collection system of a single production line was within a range of 6 000～8 000 m3·h-1.Current RTO with large exhaust volume was unsuitable for operating under low exhaust volume conditions due to large heat loss.The temperature of the upper layer of the regenerator rised with increasing VOC concentration.For VOC exhaust gas with significant fluctuation,the temperature of the upper layer of the regenerator could be controlled by adjusting the switching time of the valve to maintain it within an acceptable range.
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