参考普莱克斯2015,proposal

1、Cryo-VOC TechnologyProposal to Praxair ChinaMAY 7, 2015 2Synthesis VOC Input Dow Epoxy VOC source：reactors, storage tanks, loading trucks Continuous emission, ambient pressure & 40CPeak flow rate, 250 Nm/h, average 100 Nm/hGN2： 70% + moistureAcetone & MEK: 24% & 6%: 50 t/aDetails as the table attach

2、ed3Emission complianceEmission compliance排放标准 TA-Lauf 欧标：VOC 110 mg/NmVOC including halogenated gases: 20 mg/NmToxics 有毒致癌气体 2 mg/Nm 国标 GB 16297：17220 mg/Nm (非甲烷总烃：150mg/Nm） Clausius-Clapeyron relation Condense to a temperature below freezing point: 冷凝温度分析：通过降温降低VOC蒸气压30PaacetoneWt BP MP density5普莱克

3、斯Smart VOC低温冷凝 cryo-VOCCan treat acetone, MEK适用于丙酮、丁酮LN2 refrigeration, GN2 reused液氮冷媒、氮气回用Operate below freezing point可冷却到凝固点以下MEK、Acetone：-100CUnique HX专利设计换热器95%液氮换热效率P=23 kPa流动阻力小compact HX换热管布置紧凑3D design3D管道设计Skid-mounted撬装式6Operation temperatureC7Unit Spec for DOWVOC Unit设备性能SpecSAT Refrigera

4、tion名义制冷量16 kWYesVOC流量 VOC flow100 250 Nm/hYesOperation Temperature操作温度 -100YesOperation pressure操作压力0.8MPa（管程 tube side）、0.1MPa（壳程 shell side）YesLN2 consumption液氮用量Peak 317.47 kg/haverage 3 t/dYesRecovery rate (RR)回收率 99.99%Yesemission content 排放浓度20mg/mYesGN2 pressure氮气入管网压力 0.6 MPaYesVOC unit del

5、ivery time 6 months Major unit液氮冷凝Reuse GN2氮气回用8Floor plan9* Licensed solvent treatment company: 淮安市鑫鑫化工有限公司 地址 中国 江苏 淮安市 楚州城东乡张巷村 电话 86 手机 邮编 223232 业务联系人 沈志军 网址 More options from jiangsu environmental protection bureau OPEX & CAPEXOpex运行费用LIN：3 tpd 液氮消耗预测 3 吨/天LIN price: RMB/tonSpec consumption of

6、 LIN液氮单耗2 ton of LIN per ton of solvent 单耗：每吨溶剂约2吨液氮Solvent recovery 溶剂回收Cost to treat solvent: 550 RMB /ton (vendors can collect solvent at Dows production site). 每吨溶剂约收费550元，定期上门收集；危废许可经营公司回收处理*Capex 投资To be decided after further define of scope and clarification of proposalVOC-PFD丙酮、MEKControl pa

7、nelPLC console工艺流程Conclusion结论Benefits客户基本收益 ：Recover low b.p. solvents efficiently适用于MEK、Acetone等低沸点废气回收，达到更低温度、更高排放标准High RR to 99.99%溶媒回收率高Reliable可靠性提升，维修容易Without noise、secondary pollutant无噪声、无二次污染、无三废GN2 reused for processes氮气可回用Without Freon as refrigerant注重环保，无氟利昂制冷剂Rich cases in last decades案例：十年经验积累Emission compliance 排放浓度：20 mg/mEmission reduction 减排：50100 ton a yearPrepa