China Regenerative Recuperative Thermal Oxidizer Rto for Voc Treatment

RTO
Regenerative Thermal Oxidizer
Compared with traditional catalytic combustion, direct thermal oxidizer, RTO has the merits of high heating efficiency, low operation cost, and the ability to treat large flux low concentration waste gas. When VOCs concentration is high, secondary heat recycle can be realized, which will greatly reduce the operation cost. Because RTO can preheat the waste gas by levels through ceramic heat accumulator, which could make the waste gas to be completely heated and cracked with no dead corner(treatment efficiency>99%),which reduce the NOX in the Exhausting gas, if the VOC density >1500mg/Nm3, when the waste gas reach cracking area, it has been heated up to cracking temperature by heat accumulator, the burner will be closed under this condition.
RTO can be devided into chamber type and rotary type according to difference operation mode. Rotary type RTO has advantages in system pressure, temperature stability, investment amount, etc
Recuperative thermal oxidizer:
Compared with the catalytic combustion and regenerative thermal oxidation furnace, recuperative thermal oxidizer investment is less . Recuperative thermal oxidizer system can be designed for the entire incineration system as well as the new air system, which is more suitable for production characteristics of coating units for building materials plate.
Burning typeTreatment systemefficiencyAdvantageDisadvantageTreating efficiencyHeat recycle rateHigh temperature incinerationRegenerative-RTO99 %80-97 %
Good product quality, low energy consumption, low cost in operational and minimum maintenance Initial investment is somewhat of higherRecuperative-RTO98 %40-70 %
When adopt full incinerating design, the energy consumption is low High temperature joint interface is easy to broken, maintenance cost is highLow temperature incinerationCatalyzing-RCO98 %70-85 %
Low investment, low energy consumption VOC concentration has to be controlled strictly, catalyst need to be changed regularlyActive carbon absorption90 % Lower investment, self aggregation waste gas can be treated
Treatment efficiency is low, activated carbon particle need to be replaced regularly
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