APPLICATION DATA SHEET POWER POWER
HeatingIf this customer did nValueot replace the old and technology Wobbe with a compatible Index Measurement in continuous level measurement, they risked high operations and maintenance costs associated with obsolete displacer parts. Without a Naturalreliable level meas uGasrement, t hfore plant riFastsked proce sTurbines instability, potenti aControll equipment damage, and potential outages.
ApplicationSOLUTION NaturalAs a s ogaslut showsion to strongthis pr variationsoblem, E. inO Nits i ncomposition.stalled a Ro sForem instance,ount 53 01 GWR with rigid single lead probe. The Rosemount 5300 was installed in a chamber the ratio between methane (CH4) and non-methane hydrocarbons (C2+)and tise stronglysted agai dependingnst a new on el ethectr sourceonic d iofsp thelac efuelr. D gas.uring With test theing , the GWR liberalizationoutperform ofe dthe the gas di market,splacer higheras it w variationsas unaffe coccur,ted b especiallyy temper aint ure changes and had a faster response time to the rapid level changes. Furthermore, the regard to the non-combustibles like carbon dioxide (CO2) or nitrogen strong signal enabled by direct switch technology allowed the Rosemount (N2). While natural gas from Russia or Europe typically contains 5300 to accurately measure in turbulent conditions. CO2 only in the range of a few percent, natural gas from Asia Pacific showsE. ON CO w2a concentrationss pleased with up the to p 20%.erfor Thesemanc largee of the variations Rosemou are nt 5301 and challengingeventually when repla usingced t naturalhe elec gastro nfromic d idifferentsplacer w sourcesith ano inth gaser Rosemount 5301 turbines.Transm Variationitter. Bus inin ethess naturalresults gasinc lcompositionuded a redu affectsction i nthe m aintenance costs for calorificboth la borvalue and of thepa rtgass. Sinwhichce themay G leadWR to do increasedes not need pollutant calibr ation and (N2). As second option for low BTU applications, a photometric emissionprovides (e.g. a r eNOliabx),le loss me ofas combustionurement, t hefficiencyey were abl ande teventuallyo mainta in process bench at 6.6 µm with similar response factors for C2H6, C3H8 and turbinestabili damage.ty thereby minimizing the risk of reduced power generation,other higher hydrocarbonsA second Ro cansem beou used.nt 5301 This re channelplaces t hhase e nolec tronic outages, and equipment damage. limitation on thedi sNpla content,cer. but it has stronger limitations on the In some instances a fast real time gas analysis of heating value and 2 C3+ content. Both options do not allow selective measurements of Wobbe index has become necessary to provide early warning of RESOURCES ethane, propane, etc. changesEmerson in the Au composition.tomation S olutions Power Industry For Wobbe index measurement an additional CO optical bench WhilstEmer gasson chromatographs.com/en-us/ind provideustries/ veryauto accuratemation/ measurementspower-genera oftio n 2 with the measurement range of 0 to 5% or 0 to 20% is integrated all fuel gas components and physical properties (CV Bias Error +/- 0.1 into the analyzer. Nitrogen or another selected component can be MJ/mRose3),m theount response 5300 timeSeri esis typically Guided more Wav ethan Ra da90r s for a C6+, N 2 determined by balance. The response time of the analyzer is 10 s. andEm COers2 oanalysis.n.com/c Emersonatalog/ ethereforen-us/ros offersemou thent-53 X-STREAM00-gwr-t processransm itter gas analyzer where speed is required in turbine control applications. Calculation of Heating Value and Solution Wobbe Index
Non-disperse infrared (NDIR) photometry allows the detection of From the measurement of CH4 and C2+, the upper and lower heating mostStand fuelard T gaserms components and Conditions o withinf Sale can seconds. be found on Heating the Term valuess and Co ncanditio bens o f Sale pagvaluee. is calculatedLink accordingedin.com/c toom ISOpan yEN6976-2005./Emerson-Autom Anati on-Sadditionalolution sCO2 The Emerson logo is a trademark and service mark of Emerson Electric Co. measurement allowsTwitte rthe.com determination/Rosemount_N eofws mean molar mass and providedRosemou nbyt a ndirectd Rosemou measurementsnt logotype are tofrad CHemarks and of EmC2+.erson. 4 Facebook.com/Rosemount All other marks are the property of their respective owners. specific density of the sample probe. Wobbe index is calculated from © 2017 Emerson. All rights reserved. Youtube.com/user/RosemountMeasurement For CH4 detection, a special 0-100 % CH4 NDIR bench measuring heating value andGoogl specifice.com/+ density,Rosemou accordingntMeasur eISOmen ENt 6976-2005. at 7.85 μm is used which shows low cross interferences from ethaneGlobal (CHea2Hd6q),u propanearters (C3H8) and carbonEuro pedioxide Regional (CO O2).ffi Force the MidFielddle East of and Applications Africa Regional Office andAsia LimitationsPacific Regional Office C2+Eme measurement,rson Automatio twon So optionslutions are available.Emerson One Automation option for So lhighutions EmBotherso configurationsn Automation S oarelut ioonlyns suitableEmers for analysison Aut oofmat naturalion Solut gasi onsor Europe GmbH Asia Pacific Pte Ltd BTU602 1applications Innovation Blvd is. a photometric bench at 3.4 µm, which shows Emnaturalerson FZ gasE P.O. like Box mixtures. 17033, The presence of interfering components responseShakopee, factorsMN 55379, of US 1,A 1.6, 1.9 and 2.0 Neuhoto C fHstrasse, propane, 19a P.O. i-butaneBox 1046 Jebel Ali Free Zone - South 2 1 Pandan Crescent 2 6 like higher hydrocarbons starting from C3H8 (C3+), Helium (He), +1 800 999 9307 or +1 952 906 8888 CH 6340 Baar, Switzerland Dubai, United Arab Emirates Singapore 128461 (i-C4H10) and n-butane (n-C4H10). These NDIR response factors Hydrogen (H ) or Hydrogen Sulfide (H S) will reduce the accuracy. +41 (0) 41 768 6111 2 2 +65 6777 8211 closely+1 correspond 952 949 7001 to the heating values and allow determination of Field+971 of 4applications 8118100 for both configurations are given in Tables 1 and [email protected] +41 (0) 41 768 6300 +971 4 8865465 +65 6777 0947 heating value and Wobbe index. The bench shows low interference 2 for an accuracy of 2%. [email protected] [email protected] [email protected] to water, CO2 and CH4, but is restricted to low amounts of nitrogen 00830-1500-4530, Rev AA POWER POPOWWEERR POWER
Table 1: Possible concentration ranges for heating value Table 2: Possible concentration ranges for Wobbe index measurementsIfIf this this c cuusstotommeer rdid did n noot tr erepplalaccee t hthee old old te tecchhnologynology with with a a c coommppaatibletmeasurementsible If this customer did not replace the old technology with a compatible ccoonntitninuououuss l elevveel lm meeaassuureremmeennt,t, they they r irsiskkeedd h higighh op opeeraratitoionsns a anndd continuous leveHighl me BTU-versionasurement, they risLowked BTU-version high operations and High BTU-version Low BTU-version mmaaintinteennaannccee c coosststs a assocssociaiatetedd w witihth 3obs obsooletelete d disipsplalacceer rp paartrsts.3 .W Witihthouout ta a 3 3 maintenance co(typicallysts assoc aboveiate 40d wMJ/mith obs) o(typicallylete dis belowplace 40r p MJ/marts.) Without a (typically above 40 MJ/m ) (typically below 40 MJ/m ) rerelilaiabblele le levveel lm meeaassuureremmeennt,t ,t hthee p plalannt tr irsiskkeedd pr proocceesss i ninsstabiltabilitiyty, ,p pototeenntitaial l reliable level measurement, the plant risked process instability, potential equipequipCHm4m,e %ennt td daammaaggee, ,and and70 p- p o98otetenntitaial loutag outageess. . 70 - 98 CH4, % 70 - 98 70 - 98 equipment damage, and potential outages. CO2 0 - 10 0 - 10 CO2 0 - 10 0 - 10 SOLUTIOSOLUTIOC H , %NN 0 - 12 0 - 12 C H , % 0 - 12 0 - 12 SOLUTIO2 6 N 2 6 AAss a a Hs soo,l u%lutitoionn t oto t hthisis pr proob
StSatndandaradr dT eTrmserms and and C Conodnidtitoinsons o fo Salf Sale ecan can b eb efo fuonudn don on th teh eT eTremrms sa nadn dC Conodnidtitoinsons o fo Sf aSlael ep apgaeg.e. LiLninkedinkedin.c.ocomm/c/omcomppanany/Emy/Emeresron-son-AAuutotommataiton-Sion-Soolutilutioonnss TheThe Em Emeresrosno nlo lgoogo is is a atr tardaedmemarakr ka nadn ds esrevrivciec em markark o fo Ef mEmeresonrson E lEelcetrctrici cC Co.o. Standard Terms and Conditions of Sale can be found on the Terms and Conditions of Sale page. TwTwitittetre.rc.ocomm/R/Roosesmemoouunnt_t_NNeewsws RoRsoesmemouonutn at nadn dR oRsoesmouemountn logt logotoytpeype a raer etr tadradememarksarks o fo Emf Emeresrosno.n. Linkedin.com/company/Emerson-Automation-Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. Facebook.com/Rosemount AAll lol tohtehre mr marakrsk sa raer eth teh ep rporpoepretryt yo fo thf theier irer respsepcetcitviev eow ownenres.rs. FTawceitbteoor.ck.ocmom/R/oRsoesmemouonut_ntNews Rosemount and Rosemount logotype are trademarks of Emerson. ©© 20 20171 7E mEmereson.rson. A All lrli ghtsrights re rseesrevrevde.d. YFoYaoucuteutbuboobe.eck..occomomm/u//usResor/esr/ReRomoseosmeumnotouunntMtMeaeasusurermemenent t All other marks are the property of their respective owners. Google.com/+RosemountMeasurement © 2017 Emerson. All rights reserved. GooglYoutueb.ec.om/+com/Ruosseer/mouRosenmtMoeuansurtMeeamsuenrtement Google.com/+RosemountMeasurement GlGloobbaal Hl Heaeaddqquuaartertersrs EEuuroropepe R Reeggionalional O Offifficece MidMidddlele E Eaastst and and A Afrfirciaca R Reegigioonnaal Ol Offfifciece AAsisaia Pacif Pacifici cR Reeggioionanal Ol Offfficiece GlEmeEmeobarsonrl sonHea Aut Autdqouomatiamatirterosonn S Soolutilutioonnss EEummrersonoersonpe R eA gAuiutomationonaltomation Offic eSo Solulutitonsions EMidEmmeedrsrleoso nEn aA stAuut andotomatmat Afioriioncn aS SoRoluelugititoionnsnsa l O ffice EmersAEmerssia Pacifoonn A iAucut Roteomatgmatioinaonionl OSolut Solutfficeionsions EEuuroropepe G GmmbHbH AAsisaia Pacif Pacifici cPte Pte Ltd Ltd Eme6060212r 1Isonnnov Innov Autataitoniono matiB lBvdlvd. o. n Solutions Emerson Automation Solutions EEmEmmeresrossnoo nFn ZF EZA EP.O.u P.O.to matBox Box 170i o170n3 S3o,3,lutions Emerson Automation Solutions ENeuhouropef strasseGmbH 19a P.O. Box 1046 A1 sPiand Pacifan Circes Ptecent Ltd 60Shakopee,Shakopee,21 Innov aM tMNionN 55 55B3lvd79,379,. US USAA Neuhofstrasse 19a P.O. Box 1046 JEeJmbeebele rAls oAli nliF rFerZeE eZ P.O. oZnoen eBox- S- oS uo170tuht h23 23, 1 Pandan Crescent CH 6340 Baar, Switzerland Singapore 128461 Shakopee,+1+1 800 800 M N99 99 559 9933 9379,070 US 7o ro A+r 1+ 195 952 29 0960 68 8888 CHNeuho 6340fstrasse Baar, Switzer19a P.O.lan Boxd 1046 DuJeDubbeabli aA, iU,li U nFinrteietede Z dAo Arnabreab -Emi SEmiouratrthaet 2ses Sing1 Paandpoaren 12Cres846ce1nt +41 (0) 41 768 6111 +65 6777 8211 +1+1+1 800952 952 9994 9499 99370 700710 1o r +1 952 906 8888 CH 6340+41 Baa (0) r41, Switzer 768 611lan1d Duba+i,971+ U971ni t4e 48d 118108 A11810rab Emi00 rates Sing+65apor 6777e 128 8214611 +41 (0) 41 768 6300 +65 6777 0947 +1RFR [email protected]@Eme 949 7001 rsrosn.con.comom +41 (0) 41 768 63006111 ++971+971971 4 4 48 8 8654658118108654650 +65+65 6777 6777 094 82171 [email protected] [email protected] [email protected] RF+41Q .(RMD0) 41-RCC@ 768 6300Emers on.com R+FR971QFQ.R. MR4M 8TM865465TMEAEA@@EmE meresrosno.nc.ocmom En+65qui 6777ries@ A094P.Eme7 rson.com [email protected] [email protected] [email protected] 00008830-1530-15000-4530,0-4530, R Reev vA AAA 00830-1500-4530, Rev AA 0830-0000-0000, Rev AA