Design of a combined process and equipment for treating the exhaust gas from painting process in large shipbuilding workshop
[Introduction]The exhaust gas from paining process during large ship manufacturing features high contaminant concentration,complex composition,and large volume,and contains paint fog,dust,and volatile organic compounds(VOCs).[Method]The design principle,structure,key parameters,and engineering application of a treatment process comprising a gradient paint mist purifier,a zeolite molecular sieve rotator,and a regenerative thermal oxidizer were described.[Result]The process can achieve efficient purification of contaminants,and the exhaust gas can continuously and stably meet the emission standard after treatment.[Conclusion]A single treatment method cannot achieve effective treatment of painting exhaust gas from large ship manufacturing.The combined process and equipment can effectively reduce the running cost and improve the treatment efficiency.
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