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1、第27卷第3期轻工机械Vo.l27No.32009年6月LightIndustryMachineryJun.2009[环保安全]凹版印刷VOCs废气的净化治理联用工艺112,32,32,3许鹏,陈芳园,黄清明,包能胜,白文华(1.汕头市华鹰软包装设备总厂有限公司,广东汕头515064;2.汕头大学智能制造教育部重点实验室,广东汕头515063;3.汕头轻工装备研究院,广东汕头515063)摘要:针对凹版印刷产生的含挥发性有机化合物(VOCs)的废气风量大、浓度低的特点,采用活性碳吸附催化燃烧联用净化处理和过热水蒸气脱附
2、循环再生的印刷废气综合治理技术。详细介绍了印刷废气治理、循环利用的工艺流程、主要设备配置、工艺控制特点及技术应用范围等。通过对运行效果的分析表明,该联用工艺可有效地净化处理凹版印刷VOCs废气,最大程度地回收利用废热和循环再生有机物产品,达到节能环保的目的,具有一定的工程实用价值。关键词:凹版印刷;挥发性有机化合物(VOCs);活性碳吸附;催化燃烧;联用工艺;循环再生中图分类号:X701文献标志码:A文章编号:10052895(2009)03010705ApplicationofCombinedTreatmentProcessforPu
3、rificationofVOCsinGravurePrinting112,32,32,3XUPeng,CHENFangyuan,HUANGQingming,BAONengsheng,BAIWenhua(1.ShantouHuayingSoftPackingEquipmentPlantLtd.,Shantou515064,China;2.TheKeyLaboratoryofIntelligentManufacturingTechnologiesofMinistryofEducation,ShantouUniversity,Shantou515063,
4、China;3.ShantouInstituteforLightIndustrialEquipmentResearch,Shantou515063,China)Abstract:Intheviewofthecharacteristicsoflargeairvolume,lowconcentrationofvolatileorganiccompounds(VOCs)ingravureprinting,thispaperintroducedthesyntheticallytreatmenttechnologiesthatVOCsexhaustgasingravu
5、reprintingwastreatedbyactivecarbonfiberadsorptioncatalyticcombustioncombinedpurificationtreatmentprocess.Meanwhile,thesteamgasdesorptioncycleregenerationforrecoveryofactivecarbonfiberisalsodiscussed.Thewholeprocessflow,parameterconfigurationwithmainequipment,thecharacteristicsofc
6、ontrolprocessandapplicationrangeweredescribedindetail.AnalysestherunningresultsshowedthatthiscombinedeliminationsofVOCsiseffectiveforthetreatmentandrecoveryoflargeflowofVOCsfromprintingworkshop,andmakefulluseofwasteheatresourcesandcycleregenerationtheorganicproductsinmaximum,itisan
7、energysavingandenvironmentalfriendlyprocess,andhassomepracticalvalueinengineering.Keywords:gravurepress;volatileorganiccompounds(VOCs);activecarbonfiberadsorption;catalyticcombustion;process;cycleregenesis0引言燥箱烘干油墨的过程中挥发出来的。由于干燥箱受爆凹版印刷过程产生的有机废气主要包括2部分:炸极限浓度值(LEL)的限制,废气排风量较大,且同时烘干
8、油墨时干燥箱散发的有机溶剂尾气和印刷单元周存在多种浓