參考普萊克斯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排放標(biāo)準(zhǔn) TA-Lauf 歐標(biāo)：VOC 110 mg/NmVOC including halogenated gases: 20 mg/NmToxics 有毒致癌氣體 2 mg/Nm 國(guó)標(biāo) GB 16297：17220 mg/Nm (非甲烷總烴：150mg/Nm） Clausius-Clapeyron relation Condense to a temperature below freezing point: 冷凝溫度分析：通過(guò)降溫降低VOC蒸氣壓30PaacetoneWt BP MP density5普萊克

3、斯Smart VOC低溫冷凝 cryo-VOCCan treat acetone, MEK適用于丙酮、丁酮LN2 refrigeration, GN2 reused液氮冷媒、氮?dú)饣赜肙perate below freezing point可冷卻到凝固點(diǎn)以下MEK、Acetone：-100CUnique HX專利設(shè)計(jì)換熱器95%液氮換熱效率P=23 kPa流動(dòng)阻力小compact HX換熱管布置緊湊3D design3D管道設(shè)計(jì)Skid-mounted撬裝式6Operation temperatureC7Unit Spec for DOWVOC Unit設(shè)備性能SpecSAT Refrigera

4、tion名義制冷量16 kWYesVOC流量 VOC flow100 250 Nm/hYesOperation Temperature操作溫度 -100YesOperation pressure操作壓力0.8MPa（管程 tube side）、0.1MPa（殼程 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 排放濃度20mg/mYesGN2 pressure氮?dú)馊牍芫W(wǎng)壓力 0.6 MPaYesVOC unit del

5、ivery time 6 months Major unit液氮冷凝Reuse GN2氮?dú)饣赜?Floor plan9* Licensed solvent treatment company: 淮安市鑫鑫化工有限公司 地址 中國(guó) 江蘇 淮安市 楚州城東鄉(xiāng)張巷村 電話 86 手機(jī) 郵編 223232 業(yè)務(wù)聯(lián)系人 沈志軍 網(wǎng)址 More options from jiangsu environmental protection bureau OPEX & CAPEXOpex運(yùn)行費(fèi)用LIN：3 tpd 液氮消耗預(yù)測(cè) 3 噸/天LIN price: RMB/tonSpec consumption of

6、 LIN液氮單耗2 ton of LIN per ton of solvent 單耗：每噸溶劑約2噸液氮Solvent recovery 溶劑回收Cost to treat solvent: 550 RMB /ton (vendors can collect solvent at Dows production site). 每噸溶劑約收費(fèi)550元，定期上門收集；危廢許可經(jīng)營(yíng)公司回收處理*Capex 投資To be decided after further define of scope and clarification of proposalVOC-PFD丙酮、MEKControl pa

7、nelPLC console工藝流程Conclusion結(jié)論Benefits客戶基本收益 ：Recover low b.p. solvents efficiently適用于MEK、Acetone等低沸點(diǎn)廢氣回收，達(dá)到更低溫度、更高排放標(biāo)準(zhǔn)High RR to 99.99%溶媒回收率高Reliable可靠性提升，維修容易Without noise、secondary pollutant無(wú)噪聲、無(wú)二次污染、無(wú)三廢GN2 reused for processes氮?dú)饪苫赜肳ithout Freon as refrigerant注重環(huán)保，無(wú)氟利昂制冷劑Rich cases in last decades案例：十年經(jīng)驗(yàn)積累Emission compliance 排放濃度：20 mg/mEmission reduction 減排：50100 ton a yearPrepa