典型涂装行业VOC排放特征与控制对策研究课件

1、典型涂装行业VOCs排放特征与控制对策研究集装箱行业报告提纲一、挥发性有机物污染控制日韩经验二、我国涂装行业挥发性有机物控制情况以集装箱行业为例Method of VOCs emissions Law for Promotion of Chemical Management Improve the Urban Environment and Protect the Health of CitizensEmission constraint Air Pollution Control Act. Improve the Urban Environment and Protect the Healt

2、h of Citizens Ordinance(Hazardous gas regulation)Appropriate management Public awareness of discharge control measuresVoluntary efforts ForcingLimitingVoluntaryExtensive韩国做法VOCs emission control/prevent guideline HAPs fugitive emission guideline petroleum refining manufacturing/storage/distribution

3、facility Petroleum refining facilityOverlap petrochemicals manufacturing/storage/distribution facility petrochemicals manufacturing facility synthetic rubber manufacturing facility Synthetic polymer & plastic manufacturing facility Iron & steel manufacturing facility oil storage/distribution facilit

4、y, service station storage/refueling facility dry cleaners facility other designated facility solvents & paints manufacturing marine & large steel structure manufacturing vehicle manufacturing other manufacturing (scrubber, oilsolvent storage facilities) waste storage & treatment facilityCategories

5、Comparison between VOCs & HAPs 25韩国做法VOCs regulations apply to emission facilitieslocated at special measures area and air quality-regulated areas Application Area for VOCs Regulationsspecial measures area air quality-regulated areasspecial measures area air quality-regulated areasArea to require im

6、provement of air quality,above air quality standard or worry about excess Industrial complex (petroleum refining & petrochemicals manufacturing)21韩国做法 VOCs emission facilities over a certain scale should report on facility installation * Clean Air Conservation Act, article44(1) Emission Categories f

7、or VOCs Regulation9 category 31 subcategory (Clean Air Conservation Act Enforcement Ordinance, article45 /Notification No.2012-130 of the Ministry of Environment) Any person who intends to install the VOCs emission facility shall take measures to prevent any damage to the atmospheric environment, wh

8、ich might be caused by the emission of VOCs, such as the installation of facilities to control or prevent the emission of VOCs * Clean Air Conservation Act, article44(3) petroleum refining manufacturing/storage/distribution facilities petrochemicals manufacturing/storage/distribution facilities, oil

9、 storage/distribution facilities service station storage/refueling facilities dry cleaners facilities, .22韩国做法stageR&D Roadmap (emission category)enforcement1st stage(6 category) (10) Petroleum refinery facility15.1.1 (11) Iron & steel manufacturing facility, basic chemistry, synthetic rubber, plast

10、ic manufacturing facility2nd stage(17 category) (12) Pharmaceutical compounds, other chemistry, chemical fiber manufacturing facility16.1.1 (13) other transportation equipment, electrical equipment, rubberplastic manufacturing facility3rd stage (14) motor vehicles, electron, paper manufacturing faci

11、lityscheduled (15) primary metal, fiber product, metal product manufacturing facilityRoad Map of Fugitive Emission Management16韩国做法VOCs Reduction on Paints and Coating (VOCs削减在涂料和涂装) Voluntary Approach(志愿活动)(Profit Creation by VOCs Reduction)3. Result of an Activity Case 1:Paint Hose(软管) Case 2:Colo

12、r Change(换色时)日本做法Coating Enterprises (Ratio of Size)（60,000基）（100,000/年）LegalUnder LegalVoluntary1000th（100,000th Company）（450,000/y）45,000/y100CoatingCompany2008年 環境技術分科会、CEMA調査第回CEMA技術発表Small &middleCoatingCompany99000th405,000/y90日本做法Appropriate Distance*Large Gun：2030cm*Small Gun：1520cm Operatin

13、g Speed：3060cm/s Basic Operation of Spray GunCopyright環境技術分科会 All rights Reserved.Same Speed日本做法Angle 90Coating Efficiency 43%Gloss94%Thickness23mC.E.36% 2.5 Angle of Spray Gun(角度)Copyright 環境技術分科会 All rights Reserved.Angle 45Angle 60C.E.26%Gloss90%Gloss37%Thickness20mThickness16mEqual time & weight

14、3.1.4Material and DiameterUrethane-Teflon-Teflon-Diameter :4mmCleaning Quality: O.K.Copyright2011 環境技術分科会 All rights Reserved.Diameter :4mmCleaning Quality: NO4.1 Actual Unit Cost Changeby Various s MeasuresMeasureVOCsdecreaseBooth treat70()Oven treat30Powder 95Water70Hisolid10Cleaning10Coat effic(涂

15、着率)20Yield(成品率)20$0.1$0.1$0.5$0.5Cost upCost downDepreciationRunning集装箱生产规模及分布情况中国的集装箱制造业已经成为一个快速化、流水化、集约化的成熟产业，随着物流业的发展未来仍然保持上升趋势。我国制造的集装箱数量在全球市场占有率为95%以上主要分布在广东、江苏、山东、浙江、上海、广东等地集装箱涂装VOCs排放与治理现状位置涂层油漆种类干膜厚度（m）外侧底漆环氧富锌底漆40中层漆环氧磷酸锌中层漆50外面漆氯化橡胶漆或丙烯酸漆40内侧底漆环氧富锌底漆30面漆环氧面漆45箱底钢结构环氧富锌底漆50箱底专用漆150200木地板聚氨酯

16、木器漆（固化剂） 150200 预处理、面漆喷涂（底漆、内面漆、外面漆）工艺环节仍以使用溶剂型涂料为主，底漆中VOCs质量含量约为17.9%25%，面漆中VOCs质量含量约为25%70%。还需添加10%20%的稀释剂,主要成分为甲苯、二甲苯,其次还有甲基异丁基酮、异丁醇、醋酸丁酯等)含VOCs油漆使用情况集装箱涂装工艺流程及VOCs产污环节集装箱涂装VOCs废气产生情况有机废气风量大；装箱涂装工艺过程中，主要漆房废气的流量在10万12万m3/h以上。有害物质主要是甲苯、二甲苯等苯系物。集装箱涂装工艺过程产生的甲苯、二甲苯浓度在500mg/m3左右。以1条集装箱生产线为例计算，喷漆废气中的总VO

17、Cs浓度波动范围为4002000mg/m3。集装箱涂装VOCs控制技术使用环保涂料 水性涂料高固体分涂料改进涂装工艺减少涂料使用量减少溶剂挥发量末端VOCs治理技术吸附冷凝法吸收溶解法燃烧法等离子净化技术全部使用水性涂料，单箱VOCs产生量降低85%使用高固体分涂料，单箱VOCs产生量下降20%单箱减排VOCs15%采用冷凝法、吸收溶解法，VOCs吸收率可达到90%以上；采用燃烧、等离子净化技术，末端VOCs处理量达到95%项目直接燃烧法催化燃烧法蓄热燃烧法浓缩+燃烧法处理方法直接燃烧，操作温度650760低温催化接触氧化法，操作温度300400燃烧室中产生的热用热交换器储存，操作温度8009

18、00先吸附富集废气中的VOCs，后进行解析富氧燃烧适用浓度（mg/m3）10,00020，0003,50020,0003,50020,0007007,000处理效率9899%以上9599%以上9599%以上8095%以上装置尺寸中中中大设备重量小中中大中大初期投资小中大大热回收率5065%以上5065%以上8595%以上5095%以上燃料消耗大小中小小电量消耗小中大中几种燃烧法技术比较Comparison of several combustion technologies典型案例溶剂回收装置中集开发的底漆自动辊涂生产线催化燃烧设备Sketch of container industry VOCs