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1、1New New Product Product AdvantageAdvantage ofof MEXAMEXA- -6000FT6000FTInternational sales Dept. Automotive Test Systems (Asia) HORIBA, Ltd.C 2006 HORIBA, Ltd. All rights reserved.C 2006 HORIBA, Ltd. All rights reserved.Contents?MEXA-6000FT Overview?Configuration of MEXA-6000FT?Unique points of MEX
2、A-6000FT?Importance of FTIR Method?Improvements on Previous Model2C 2006 HORIBA, Ltd. All rights reserved.Contents? ?MEXAMEXA- -6000FT Overview6000FT Overview?Configuration of MEXA-6000FT?Unique points of MEXA-6000FT?Importance of FTIR Method?Improvements on Previous ModelC 2006 HORIBA, Ltd. All rig
3、hts reserved.Application of FT-series?R&D of NOx catalyst for diesel emission ?Urea-SCR ?NOx Storage reduction ?R&D of new alternative fuel ?CNG ?DME ?Bio-ethanolMainly 2 purposes are as follows3C 2006 HORIBA, Ltd. All rights reserved.Customer Needs for AnalyzerNO, NO2, N2ONSR CatalystAldehydes (HCH
4、O,CH3CHO ) Formic acid (HCOOH, CH3COOH) Ether (CH3OCH3) CH3, C2H6, C3H8, etc.Alternative Fuel EngineNO, NO2, N2O, NH3SCR CatalystRequired measuring components for analyzerCustomers target of R&DAdvantage of FT seriesC 2006 HORIBA, Ltd. All rights reserved.Urea-SCR Catalyst for NOxAdBlue tankOxi CatO
5、xi CatSCR Cat(NH2)2CO+H2O -2NH3+CO2CO2 H2O NO NO2HC = H2O+CO2 NO = NO2 N2O= NO2HC,NO N2O, NO24NH3+4NO+O2 -4N2+6H2O 4NH3+2NO2+O2 -3N2+6H2OCO2 H2O N2, NH3CO2 H2O N2 Diesel EGNO N2O NO2 NH3Possible Sampling Point Effective Sampling Point FT is only tool to measure each concentration of NO, NO2, N2O, an
6、d NH34C 2006 HORIBA, Ltd. All rights reserved.NOx Storage - Reduction CatalystOxi CatPM FilterNSR CatCO2 H2O NO NO2HC = H2O+CO2 NO = NO2 N2O= NO2HC,NO N2O, NO2CO2 H2O N2 PM(HC)CO2 H2O N2Diesel EGNO N2O NO2Possible Sampling Point Effective Sampling PointNOx StorageNOx ReductionFuelIts important to me
7、asure NO, NO2, N2O separately.C 2006 HORIBA, Ltd. All rights reserved.Alternative Fuel Vehicles? CNG (Mainly CH4) ? Dimethyl ether (CH3OCH3) ? Bio-Ethanol (CH3CH2OH) ? Bio-Methanol (CH3OH)Alternative Fuel under development is Alternative Fueled EG Surplus fuel?Harmful Aldehydes ?low molecular HC ?Sa
8、mpling Point FT system can measure HC, Aldehydes, Alcohols, Ether, separately. 5C 2006 HORIBA, Ltd. All rights reserved. Multi-component continuous analysis Combination of fast spectroscopy and multi-variate analysis Optimized for automotive emission testing Sensitivity of ppm order, 1 second / scan
9、, T90 5 s (CO 200ppm) Catalyzer development, air toxic measurement and Alternate Fuel Testing. Nitrogen compounds (NO, NO2, NH3, N2O) Light hydrocarbons (CH4, C2H4, C3H6, HCHO,.)MEXA-6000FT OverviewAnalyzer UnitSampling UnitControl PCC 2006 HORIBA, Ltd. All rights reserved.Contents?MEXA-6000FT Overv
10、iew? ?Configuration of MEXAConfiguration of MEXA- -6000FT6000FT?Unique points of MEXA-6000FT?Importance of FTIR Method?Improvements on Previous Model6C 2006 HORIBA, Ltd. All rights reserved.Configuration of MEXA-6000FTFCellLN2Inlet(Control PC）LCD on a doorKeyboard / Mouse(Analyzer unit)PAccess panel
11、 (door type)(Sampling unit)Engine exhaust(Side view)Space for filling LN2 (Keyboard table can be push into the depth)Heated at 113Sample filterC 2006 HORIBA, Ltd. All rights reserved.Multi-reflection cell Volume: approx 0.2 L Temperature: 113 CMichelsontype interferometer Scan interval: 1 sInfrared
12、detector (MCT)InterferogramMirror PositionIntensityFFTAbsorption spectrum (every second)He-Ne laser (for controlling interferometer)IR light sourceConcentration (every second)OpticsAperture7C 2006 HORIBA, Ltd. All rights reserved.Multivariate analysisMultivariate analysisMultivariate analysisAlmost
13、of all exhaust gas components have characteristic IR absorption at specific wavelength, and it overlaps.Absorbance SpectrumAbsorbance Spectrum Calibration curve for COCalibration curve for COCalculation resultCO ：XX.XX ppmCO2： XX.XX vol%N2O ：XX.XX ppmCalculation resultCO ：XX.XX ppmCO2： XX.XX vol%N2O
14、 ：XX.XX ppmCalibration curve for CO2Calibration curve for CO2Calibration curve for N2OCalibration curve for N2OCalculation of Gas Concentration230022802260224022202200218021600.00.20.40.60.81.0CO N2OCO2AbsorbanceWavenumbers (cm-1)WAVENUMBERS (cm-1)ABSORBANCECO2N2OCO“Multivariate analysis technique i
15、n which HORIBA has patents.“Multivariate analysis technique in which HORIBA has patents.C 2006 HORIBA, Ltd. All rights reserved.Flow SchematicsBypass line (for Stand-by mode)For line purge and valve drivingSpan lines (x4)For zero gas and analyzer purgeInterferometer purge, 2.5 L/min x 10 min (once p
16、er day)Optics purge, 2.5 L/min (during operation) Flow rate in cell: 4.0+/-0.5 L/min113CDrain pot (become empty by Purge)Pre-filter (Optional)Sample filter8C 2006 HORIBA, Ltd. All rights reserved.Ranges Components Standard set (Gasoline, Diesel) Optional set (CNG) CO 0- 200/1000/5000 ppm 0- 2/10 vol% 0- 200/1000/5000 ppm 0- 2/10 vol% CO2 0- 1/5/20 vol% 0- 1/5/20 vol% NO 0- 200/1000/5000 ppm 0- 200/1000/5000 pp
