HUE029851T2

HUE029851T2 - Method for improving the dynamic behavior of a coal-fired power plant for primary and/or secondary requirements of the power grid operator with respect to the current output into the grid and coal-fired power plant

Info

Publication number: HUE029851T2
Application number: HUE10718437A
Authority: HU
Inventors: Hellmuth Brueggemann; Olivier Drenik; Michael Heim; Haider Mirza
Original assignee: General Electric Technology Gmbh
Priority date: 2009-04-03
Filing date: 2010-03-19
Publication date: 2017-04-28
Also published as: US20120122042A1; EP2414731A1; CN102388267A; PL2414731T3; CN102388267B; ES2597961T3; WO2010115396A1; DE102009016191A1; DE102009016191B4; HRP20161325T1; EP2414731B1

Description

Metood gsr feepro«« the %s»SÉe feekavtor of « «ssMml-pmÿèr pis si for p notary *»&%·' ssesOistory of thé powsr grid '-âpmàm Ä mg««*:ta fkeetsrtmf »toped kivtk® grid ©tté essskfed -pmm ptmi %* immúm rsdates k> & %»®é$á stgl «etslbly g$r ïtopiwiog toéi dystttosd Irjfebr ©i s eosskprsd: power plant for prlmssry sstotor sststoáary fequir%w»ts of the povto grid: ogosotor with:«pect to etsrr« otops into the grid,

Keeping the tototPatoig Völtop fesgde;toy is power grids sopstost eoohtortets ssst ohM^e- Oeviatkssw toitotoe stospseptoed iptwtooy ©an festik is $>« ipihire of eoseasswers esorsected to toe grid saê eonsspstosal damages r®sgktn|r iktm wsph: Miere:. psskflpss fen: ihr predtoemMed grid trepertcy value rstalsky occur when ids power regtoeemetss: er lbs P®wer p;:«s: connected to die power grid sa&kslg cfmges nacsose :fe Insttsace « power plant Is: diacorssxictod koto toe md feeesstse of as scoklens: or a large aorstrsicsei ts connected .fe? die grto or oecsuse toe grsc eosfsgsssges os .gno dfwdhutson efespsps. In ordstr is keep fire grig IretpsesK-y constant sî isse gteseíessRÍíte© came or wnhm a uasoto toiersraca : rtma«: It tors : to fee entasreá, wstok; fere- scope: os toe sewtdtett primary cotsttos or pnswy etmo Oj ,».stpv.:, >h.;t: toe generated power sod the grid load rersato balanced and as smash etesstnc power Is asways generated as ss eotsstsssto fey the grlditosd eher operating with a psmtoSsnmned grid htspsessey. In doing so, the pdsnsry œsural ta sddikostolly soppttosd fey the soeottosoyrttostodl ttosecttodaty oottool ora pel. svtncn sosusw-ssg toe oanowmg o* « sodrfes dhsttge of the cosassttned or thé generated power tsxtoogis toe ps assaty custoôs offsets w.iOamy deviations hdto of she Srsrpsaséy to: well &a of tfeei transler power. .1¾ order to: he able: fen ptomterswt bevitoktos fmm too ptedetortoaoíd grid kopssKsy valise m toe shortest tsrtie, some SihtoapI grid ope«« dtlotoase k toeir «stdÄ .cptohaps or tofgtos «Ito wfehto tor«: has ίο fee stscotophshect. lissa, lise: ifisläfe Oirid: Cíposídor ^aslosaf G#i ileotoiosîy 'ft3ï#t#ssî<p; pb tor sxatopls throagh iss â^üm«m:nU CMd Cods", Isäöe frescrihes te ssfrheooSfeí; Of a teípjeóey #tostoto :a power plassS Stoked to toe power grso, tor «jsasopie to m opertotog: osotk of 651¾ oÄ- rsosslsal sruípot. she pow-er feiw-ts. oospot wsOissr tm s£og« oí *hw p,»i*eíy.. costnd ©r Ide práhasy :toqoirernetoa la: iswreatod 1f » of hs oosritoal Q^í% wítoto IS toöossds, thus ceostoracdog the fhapseoey tlevktkss. Tito, is terms of toste, very rap^ ^ wkh reapato to toe power euipto very largo t*m& toâtet tttasor desrsastls op toe power piss;:, paftscossrtv on ts coaoored power prant M a foie, te «htod power »tos ^ deslgssed wito onto ^ toeea, wkh wMofe kto osai grsosrd on toe ooai grinding: pi« can hedsrectsy led to the Isrtog box of toe: power plsoto via osai doat Itoes yso-esdied toller estas: aast tospscosfe The octodithto: of She into ia one of toe toato Saeisris tor goes otsastorOioto * χ,ώ!" !.. etoitoioos íisíd Ihhe -to&t k tsstoosOfcíSsíesi sirs thé: tols: m Offer so fee sose to -mi*** ^·! t*»vviuv>.. - ^ ^ eossdsfsostisrg,: ils« eoal gsàssdlsg pisrst or eosl isriil: àas: to os so a stafsorsary m*i m»:«»*** ^ ‘ ressrhs Ifs lesd ohotsges ors tos coisi tos^ iferssaee assd toes os the power piaoí isseli feetng «« !χ· ^ sîowIv arid: tons a delay those oceortog wltsn load cisatsgss sre sarned otsi or stv reptssreo. Ä iMsty istsre of the coal tolll with ch&tsgtssg toel q®w$% or totarp; s» a soostossttas pw s id '»s vw. r ;;îï,,. -phs pday time of the cost ml Π sss be long dspensiog ón thé iW cost eosKtItioomg process (depcoíkot on finettes*. moisture, hardness of -he raw cost wad the roll losdum} and mere tote has eltect or mo «««v pane of the oyarak otast, X;S0 ;·;32 20? discloses the delivery ofcoa! ttosiistmccontbaßte.thanß# a gotven:mr.«S orrecüy two« rmn-a*.« viâ. hiss-jvgrs. h: & mmm®r pssÄe» if omsssssry, 1er the ooal tu &» supplied tethe rumsee iïom-m naoepesuLm source, via g varîsbfe supply. l'he object «Τ4* Invention ttow h te creates method for dy«e: behavior of seoaMIred pnm pim m primasy δΜ%* *«tastaè# reíptebmbó Of hm pdwór $&£ sStasata* with respectm th« <*rmm ntsigut mm mw^ with which the delay time of the cos! dost; furnace of the power gfcrct is reduced so that she power plant »**» &* targets ®r eehdäibos of mspeepve osltonsf operát« of power gods, M U m *M&* of :mmm ta g* assembly for Improving; the dynamic behavior of a cdftM T^vet ptam M primary andfor secondary ïaçuiresseïàs nf the power grid operator with respect to me carrent output nuo the gnd.

The ohfect meruitmed shove it solved through the totality of the ibatsses ot Fatest Ciatm i t-vtth respect to et« mvwoo and throosh the totality of she festeres of Patent Claim 9 with respect to ties assembly..

Advsmtammuscesltmaafiöös.of the iovaoóou has he ;nkers ifom the subclaims,

Throtmh. die solution: smaörding m the invention a method and sat assembly for fmprovlhg l&e $0m®· **imnor ·>· a ceskflmd power pi« for prknaty anchor secondary mgmrsnumts of the power grid operator with respect to the current ssistgot sow the grid is etetned, which has or have the Mlosvmg advantages:

Cteamm of t® jmssibllisy for power pi« operators to obtain the required permits ;ibr btoidmg atm opemlmg power plants Irt agseanent with the prescribed notionsf grid keqmmcy requirements, lilsrisi# the sals of primary control reserve, the power plant operator is enabled to operate the plant more ecoriotnic&liy or achieve higher profits.

The nstsnof icttsrer or supplier of such power plants Is enabled to oner or soil these power phmts on workP wide mwfcsts, e.g. UK., Ireland. Francs, China, India.. Singapore me.

An diátthe slip having a storage: mhivm m mtrtnttf operanon of the Indirect fldttg systent :1s tilted, in mosss: of voltjme, appftQxi'mtddy had' wish coaï dust for storage asm esc upon increase of the primary mkkor secondary ragdtetnews of-he power grid operator with respect to the: eussent: stxdpur Into the mid mtd the mmafnlng stosoga voltsm» Is tsned I'or receiving sod storing the exness-prodnosd oosd dust apón mdueftor;. of the primary ms&r sscostdary mqnirenwnts of the power grid operator with rsspeot te itatcyr;sr!t into the grid.

Io ad sdyantagetms oobtigumdost of the mveshtou,dm mcrease or redsedun of the Isdkectly ftd4n: soal dost tpanbly is eitoiesf tln'isu# * ««roiled increase or redstet« of the: throughput rote: 0f fa spponitming organs. Thus, the seeds or the rhnssmie behav!or :of the eoakdi«d ;po«:sr plasd ears be acctsra-ely hdten .tata aeemmt. ctá5:Őgníkk;n providestncfkísiíg: Or redsípksg: fksyyxaktsxdfM flow oit.ee eeovsys?sg:gas; Oiowor to a oostroMeá. îssïîsîs' soös m mctessc os- s :f»dos|îi>s oíffe indirectly led-k sok dost *"&&>$$& mmwrngm, efthe etsk dssi In the firing box is maintained- |j. jw :Kiv«S!i:ôg«<>'-::5 kat ke keresse os tk: rsdoedôw sf the dtrougbpus rate of ko spporaorursg organs ssnd/o-r ke kosos?® er ke redoklon of ifs® voRaneikc flow of dk conveying gas hkw®r is Inogok sf'ossí Fy Ö5® hsoks oetpm sooo-ol of the coshthed power pisef Uüw&seâ by (h® regkremeots of the power grid; '1 fííonf® kss «sasaié It is msünk fhat k fos evesh of a teqnency change or a reoksetnent In th® pwp os Intloenomg signs; ot fos grid; etkirol Is sens io the block kngk eóhifk of the cok-fked power piísn; kk Its thnsses ér® a tmámmsms®:· sbiíikoflk?3' 0^^ ss kos kiférted k order to íj0tám$m. dpdtks feeihavlof of tfe® poolef pket- k ss sáktokg®®^ embodimem ofíh® Ihyeslkswthe primary reahlMpsk or the primary contre; is tnggeteo mrougo s rernme-eomrofeb kgnk. Is a ksfhar sdverrtag&nss «mhedismst of fheikrsntkn tik secsnocty regkremeast: or the secondary control Is likewise triggered throogh a fesæote-eokroied: signal.

The secondary requirement or the secondary cotknl css be additionally triggered; tkon# -mmm or w tnsn-ocoon k dte ttferstkg petsossnei of the ptswer giant. lo the rblk-wkg, exemplary erskkimeks ofthe Invention are explained in more desk; by -neons or the <trawtngs sad th® description.

Figs I shows an extract Immths British Electricity Grid i^gksikms (Grid Code ΓϋΧ.ί}. wneretn the extract shows the odnksam teignten-eni: prn:i*l®: of kei feqtkney dopendenoy for a 0.5 fe tmqaeney change Soso ke target frequency (pÊnkmm- iss^Be.«^ :^Spm^^*e¾'a¾td3!Ät·: {Κ6δ& tor & Ok m: frequency change fknn target heqneneyy. pa shoes art extisei (tors the British Fewer Chid Rsgohkons fCitld God® (UK)}. WPeresn ke: essrsct shews th® Interpretation of th® gnteary and secondary nostro! or primary and: secondary reqkrenwk fInkrprekisn ofprisnsry and secondary txsposws wakes), pg. J shows» represented schematically, an assembly for improving the dynsnne behavior of a cok-ilceo power plant: lor grin-ary andtor secondary requirements of the power gnd operkcr Ihr the cserest! oxsipst Ixhc- the grid, wherein the cent grinding plant ksiodi.ng c-nel dtrst hoes of the krnsc-e ot the power plant are sktwss,. pig. 4 strews, represented sehensstlcafy, ko rsiation of atr ootps! tnerease ss & Sxsneços or fin;® mo ol dte tiring; tîtoÉPd.

In an etobtfsoid energy appply 0&sm (power grid) the generated: power haa !o he eossstsntly In eqtkknars wtfe the cotissnssei power. Changes: to tbs': costsosner Snail or power plant saoU snspasr ints egnlithrsent atso c«nse jreqxienvy devenions Itt tse grid, to which the: machines Involved in the: primary connol or the primary retpsremem,; react. Because of It.-, ctrelrol helswlor, tl-s primary control or the sqkvslent primary regtdrement gtsarsnfees the reskranen of the egtefixisao sx-swesn .generated and cosissssnod: powsrr wstblss s tsw stseosás,· wh;k ssse fsemxuM iîe!t-' 'Λ!ÎXiSÏ' the pasik limit v&i«e·;. Is tbc power grid, ihsrsstee q&m-skUmmf (with stepe% « =>-:' v<%iest tob of the frequency .áfás- weh es she tsasssfss' power äBi hetstesj ín* mdtÄgt copiról sa>s;es IbBiwing tho Marmmg er & máám change % she <mrnmd orpstesteed pw s®# tfee pttom ««*«>* <* *« !»"»*> repteremet!!, Mîtes eösmeeiDre s&« secsmrSary sxastrol or sesxxsdary reomrssnete becomes hteclional whose obicxtivs k h to retent m itespency to its .target : vxteè mâ the: Im* «*» % wd-ses stó shoe te heve the estire sötíYíhest priroaw temteol «teteti «gait? available SS: reserve.

Figaro I shews: the Merprctteteo of the primes and secondary coosro! or patency ssste sseeosteary comrof tstpth Of primary and secondary mqastetaetS (mscrpresaiioa ssf primary and secondary response vatees) of äse British Power Grid Retenons sörid Gods UK) that has to ecset upon a SVeqcaocy deviation (ifeoaency etemgey ofte.5 He torn s% targes irecoency of the poster grid. The diagram of Fig. I &©**. m * £<»W 9&s}i wmmM *a äse pew* *tt according to the pdmssry coteroi f Ms ip toset whhhs: a fee apao % of 10 Seconds «** * pBréréponse mà thns 'moms the pmst pMâ. mâmh ϊί* anxnsnt of tb» ooîpst wmm. Ida sitee spB* 1¾ Is dependent; on the: load r®tg« with whteh the power piaf«: happons io he operated: a* dte thtie: of site drop hr peqsepcy. loo Bntisb Bosser Grid Msguiabsms determine fm esanrpie with a axed reptered mtetexsrn hsad (sninlsntex gsírerstíppr os: %%: of the nswntete ompsn: (RC.s £«gpsi«eä capacity} of she power plash that with this part load the power phsst output nap Sfc tecasascd witts the 10.seconds by Kl% (percentage: A;>) ottiso aonskai output m capacity RCof she posver plant (see f;SUS-e ο). According: to Pigore 2 (the sshscisss shown the load range (in percent of the RC.I ot the power ptaot, the nnPnate -èmws the pnstsary or s&csted&sy control ranges (in percesé: of tfee EC}) the increase by 10% of the M: cnpachv MG of Oso power plant has to he gtsasaateed: between the part toed range of 65 te B0% of the notoltsai: power plant output RC. Between the part istsd tsnge of §0 to 100¾¾ of :ih& xrné&à power plant; steiget EC sis«: power Incrassse deeresrwis linearly Boss 10% to 0. hi she mm of the: freposney being sxeeedsd ssr a reshsetton of the primary and/or sccssrsskry requlrerntena of the power grid isperatssr wssh respect so the cssrrosst otstpoi : issio the grid it Is psovldad acctndlssg tss Fig.ssre 2 so lower the power plate: otegnt fci the pssri toad range bshveen assd 70% of áss rated pmm ©fáss. power plant % W% of the: steed -xnver EC of p«e posvet pfent wiéin she Í0 seconds. Mtmsrn the pasi load: ranges of 70¾¾ to 65% of rise sx>othte! oower plasst ontssxst EC the sstsspei redsseti;«· deorcssses Ihtenriy ihms: 10%: so xpproxissately :6.S and betweeo 100% assd the part hxsd range of95%> she power redocik® rstcreases Ihwarly fso-rs jgnyrotdsstaitey 3% io 10%. Figure 2 aclshnsxîtely sh«>vs she nbnintete load ftsiPlsnuns generation MO) of the psswer plant rssqaitcd hy she British Rower Grid:, whis:h Is sss 65% of tee srxmrste power plan ootpsx.

FisdTe^ J exishphsflly nlxrw» hs>% íkss s:es|til:fdftseî5Ss raised: by the Brlskb Rtwr-er £fekS Bcgsriatfen» sax he aatssied. To Ihtn esKg the itrstaes Î of the power plasst actàtsltng.ts* she hteeteisp tshioh is smt sibowri % «xerapisrrly ttesigssed wii; fmr Sétáit ofhtesng shants 2.1:, ZX ZX 2Λ, ssli of schieh directly :ire the hritsg bos -Ä« power plasE schieb: is not stetem (direct irma ^steÄ wt-ereits as least: sms; of the coal grinding gtates 2,1, 2,2, 2X 2.4 is designed its sneh: a, nsanssas- that it cast he ussjd to ire llte irixsg b<;x inddecsly flssdirect tiring swstesn) Instead: of sbrecilys 1>0. that at least im. stet gtedtrsg gîtes 2. t, 2,3, 2,4 :5«: adÄsa to-löx® direct: fsmgxsy^» î& sâéMrnmy aestiPto'wsto m indtföte bring fötesn.

Directlydite *» 1direct firsrsg sytesp rapaus so xsy #gst· tte bosáfeéxte Itt: í»: teád grinding P5*84 m e0ä5 msd -**** 2.2. 2, 3, 24 ís dlrotey föd fö the hflsäg bte by sgctes of atesrite gas ér tepgoíi: sir vis orte *S®& -· = : 5,2, 3.4 aífö orte liâtes. Mere, according to f igura 3, 4 bxsrfíír level: each ess·'. be serviced by esen cosa?;Ä':!· 2.1.2. :2, 22,2.4 aad fe este drsss tines 3.1, 3:,2, 3.3, 3.4 owgtetirsg frosn Te respective ssoas g9îSaiî?& psfts>?.$.:,s,,:.... 2.3, 2.4 «ads Servies the tensers which are sot shews m the stepelte siostete gr Site te!fö ssí See gsoerany rcctesnste firing: boxes or {he. cossi-íirsd power phssxí.

Isteieotiy 7 red os an ; induce:·; ideg syriens means so say that the coal reduced or gretasd so οβ&í :# esuesg: pian: et cos! telt 2.3,2.2. 2,3, 2.4 is drtearggd via cost dust does 32. 3,2, 3.3., 3.4 te IsteaHy contested ír; tise te'eetlsxs el: the tlrirsg feox, te tbets, vis a coal test switch 6 each arranged is the coal oust Une :3.i, a,.*, o.o:> 3.4 sec vox a«*iage tees 7,1, 7-2: 7.3, ?*4te§s&-M:&.mp®ma>T^deeesivoatissfsksîage tes. to te separator 4, Snecte; hast »separated g-osn the: garter gas er support sir te via ;a: conssecdrsg boa: 3 ted to· a ste 3 sod stored: there se. Vsa reed sises: 3:. r,: :3.2, 9.3, 9.4 îKïdsregtete epporiionibg orpns IÖ arranged sh dîtes: :föed ibses the arte test users he extracteo rremrse äihs :S arai vio :s hk&rgtog <te 1er 13 giföh a m cs hin des' cösf dass svvitsh: 13 fed te tifö site test .ssoev a. s. n.a. -v4 de·'. vT:stse<S:ti of the: tust cost test teföshes $> u; order se he cosy.· eyed isstp the' ttfshg. hits try dsea*- nor conveying she cos! dost extracted hosts the sics S irste te iriog box the chsrging devices IS testsgod its the teed !bx:s 9.L, 9.2, 9.e.· 9.4 döwhtstrsaar of the e®pitrtitesg orgssss H) axe sopphed wish a esssveyldg gss, te essssítgle aig vsa g oosvçysog gss isiié 11, which air is supplies! hy a cersceyiog gas blower !2. 1'he chargistg device ie cars ror esaste« 9*5 ^ itiieesar, a Steer site, a dost psstsp or te tike.

The cteor gas or ·;»ρρ;>η air separated in the separate4 is sistergőd essrrier gas drsebarge hns s4 and: föd tose: the atetsphste tslífö à U esfö fössrs tiare elesned before ihat iss a lest separahssg system, fötead oi rnto tse arsixssoheec, tlx·, carrier gas ejrn diso ho ctistdssded tato the fte§ hox er tise xsvoke gas draö» öx. tee eeas-föx?a powes {dte eoeaeted siowsistseäitt of the tMpg box aasi heed of du» ist she extettg dass seperaasss syssera 3ε·2· e' nä!:ef' hose alter of te like) of the psswer pte systera.

Deyiatlag tfsssx Flgere 2, each ef the terage tees 7.1,, 7,2,7i3,7,4 cars each teve te owe separator 4 .axo ns ovvts sdo 3 corattxsed dowastresesj, ítoííx which the respective test tees 9..1., 9.2,9:3, 9,4 then öégsesís. fseorsaal opoteioo of the power plash,: fte: csiid gnixiisd ph?jt:Ss2.l, 2.2, 2.3 of the tte&oe i sccofusag sp brg:xe a work 1rs: ssjah: a :mmm 'tet; the coal test $mmé Érnem h émàfy föd ta the tirlhg ht» ihr ftesg ^ respcsïhv»: carboîS: dost liges 3.L 3,2, 3.3, 3.4. t.o the case of the cte gtxsding pisx-r 2.4, white esempranly immâ of the grmdte piss.nl. 2,4, is casx also be my oter gdgdssxgsplasd is? desigsxcsi wdsh sors usdbecs drlos system to: adestssxn.to sas dlste drssg tetess, the respetee cod! dust switches § te id arranged: In she coalduarltnes o.s. a.x< ...a o,a &se each set 1rs sxsch a srssxsxc;· ûsat the coal sitsst grotste its. the cost! grinding pite: 2.4 is not asrsetry tett to oxe tsnng box, kst to the Irlng: box by way of the slkt 5:. To this eod,; she: apportioning orgssts W :feeá ]mes 9' ^:V^» 9.3, mű «hstglKg ^toes IS m 59: ôpe;'SïS>ïS: mű eosweyiog jaS le pmokiad ts> she 4**#φ devices IS &m0-Ike çorsvsvîsq gj& lose I ! erei -he conveying gas tower 12. br toe cnargnsg devices l >, me eossveyrsig hv* gsefe> ep ike sergecdoe c«p| dsfe agpsfelotsed hy: tP sptodtotog orgsaw lb : and conveys st toe toe ideg: fees, Ike operation <Äs.esÄ« stet 2.4 ts. sscfe tot sera toe, at tos slsrf ef ih« ^psrkloe, ik« gtoktog topot ofmmmm® Pïm% m wmmvsé. with toe $&μΆϊ® WSW* 0?-hs gnfeto 2,1, 2^, 2-3 * wM:A the: stas«^ œqmtmm afüfes plsdte&mm· <Ä P« 2·4 vrvmpmi· wife the iwi mtoal oxápm of She :grto!ng plasst S.4 te mmmú h order to Μ*« Metern of Ihs :él® $ fetoag: * %, wife the spsss oder bf |swto ;wL Fűiowfeig csrrepletsb going oísho siló S the grinding osdgot 2.4 is adlsgseb *>;h;5^ iM shs gsiodlng plant ±h 2.2, M or the cipto rçitotoirsenï «€ tfee pl# m®>£ of fie grinding |ias5í 2.4; tosh to® mmß»* of to iMng siperstoos; of the dio 5, to tochssrge o? edging oshfhst of the sgpmonmg organs !ü corresponds to the pshSitytoapd grinding csetgot of the grinding plant 2.4, ho. ttof :the Skip option, the of ooa! Pst as podoeos by she grtodtog plant 2.4 is disafe-ged Som the Po -I Pd conveyed Istib the ska 5, white nbnsste losses in the segarak« 4m taken tőid acecto-

Is it® ease of a teqeostoy cPssge or a Pqoestsy drop or a tpnmoy mâmfaà'by isr oxsmplo 0,5 m sf the pwor Pd the Moékmtm smtml of the m^fkeâ power gissnt h miosassd via tos grid cotoot of the pwor grid or its primsry; sndtor secondary reqosrensehts of the power gnd operator with respect *s> isse *w output M&. thv gnu, se» sPsiaPaSy increases the qusmtoy of the tw*ü doss discharged by the apportioning organs H) fenn the silo: 5 and indirectly fed to tPIMng Ps Pafee to to present aotoaf ontpt or reitotoe to toeeto Pst qoatoihes to esP ease seeped by she coal grinding piston Ik 2.2. 2.3. Oaring tip, to coat torst stored and stocked to the silo 5 to toss po=p«s*s can bs Prodssto into tl:-e tiring torn to ürtog to a very short torse ansi thereby, on the pars of to Poses, a sPstsPa! conlribotbn cars he tods for pprovtog Ip todtots Phsvior of to cto-feed power ipiask; .^íctó :o*m ^ ® ^ prt: pto wllh whip lbo: oo&i.isP pstwer plasg is stossfiy opetosd: :aP os which the 4P! ipsstoiy led is to the tlris^g: hdv Pd thos ssiod the tespeckce tootsgbpto: rale of the ihsllkiPlt! costs grissdtog phssto; 2.1.; 2;2, 2.3, 2;4 ss iptodehs, to to soesd 04’ a togsosey betog espPP to etansple by- &J- He of 4P powp grid tP him ootpm imm of the cc-al-lued power nipt Is kïiksencsst vist the grid control of the power gfto or sts psaptST/ antoos seeonosry reqsnscsnsnia of she powes· gsid operator with topot so the etsrrerst ootptst Into the: gdsi, which tost&htbUy redaees: Ip: gtsansily of the coal dost diphargod by the stpportiotsltsg prgps lo Iforsr the sne 5 aito tstosreeny led to tp coiPustiosj ohsspber compared with lh® present seto! ooipsst or compared wish the coal dost qtsssttos supplied in each case hy the ooai: gemdissg: plants 2..4,2.2. 2.3srsá tops, an wife to toerease of to cosh dost spsssntoy, a soPosstoa! k$. m Bcra, essai dost gtoPfed h? the griP to 1,4 dsgirsg this proqass and wlstoh; is rset neoessaty, ie, cseeas, is bolton slorad: Its the alio S. for {«ssliPsg the togrovemerss. stothe dyssapc: bePvsstr of a csto-nsed power pisrst the silo: S osmssected Pwnshscstss: of she estai griping ptot 2,4 Is dltotsslossed as;d skssigssed wish 0 reoesvotg qapacny or a. storage volonté V;g to tsse süss dust 1» be stored. cesl ïgiodlog plank ô:fsJM:«sm^Sfÿ iiïssr co»l.gríyídíS|; píSÍ;tS :2.|, 2.2, 2,3, 23 sä Âpre 2 cas sa# bs «fesigssd with an IsdkeaS firing sextain assi thus with s: xbo 5 for storage or Stel dum, 3 for example two, three or all foot coal grinding pkots 2. i. 2.2, 23, 2.4 are additionally désignée WUn S£> indirect tornácé or as lodlnm! mins yxooo She entire storage volume or me receiving; capacity V*. of coal dost sas bs divided over the emSine. nmober of viks:; 5 or ins Pompt volume V<5V increased through the mcreaseä «orooer of site S- Though dse addliusal ácsig?; ofk plpraliy of grmdlpg pktots sksh indirect tiring: syxtent and tbas nsctessed eoíd dte »ssgss aspaahy m the »te 5 the dvrsawdet. of the fed apportneslog of she eo&}-fsr«d power plans '&m he issuer intproved If required. Through mis improvesnent of the ciyoatrùex of the fed the prímán she: secondary reserve: of she soal-Sred power pliant ess sloe be is; pro ved or mcioascd.

The vintage volume ¥Sss of the silo :5j isdsnosssteed m suds a m&ossr that upon normal opeutgos, i.«. with xtstiorsary state, the storage vgltsipe '¥$, of the sib .T Is illletl do steu* hsliond tlsereby has doted stdFekns ette dost m order :to he: able to iottkduce m increased coal dost qnso% Ido the firing bmM the evest of a: iirapusney drop or s prlntey and/or -sebbrsdory: requiremtei of the: pongr gôd operator vä respss:·. m she oarssat :οφι& into fid: grid, i..e, ,&t:m Isststlossssy state, In order to Irssproye she áytj&tnlc btesvinr of the power plan:. On the other hand, the site* 5 soil, has to have sufixckrsS sttsrsgs capacity in order to be able to fteadoce a todeeed coal dost quantity Into She firbsg box :o be eveot of a frequescy being exceeded or a ptituaty and/or seeondaty reqoirenyest of the power grid operator oath respect so the ebrrerst output Into she grid, be. is tart; of an Isatatlonary taste, and thereby receive or store She excess eos.1 dust qbtelty produced by the grinding pl&oS 2.4· during the is-stadooary Psk mths silo 5..

Ip addSnors to the silo or the dies S the slppsterting orghos Iff she charging dovtee. to sod She coal dost ones (Seeding listes 3.1, 3.2, 3.3, f<A arid coal dtisil llpex 33, 3.¾ 3-,.¾ 33) can be ssbæbiy desigsssd dhscsssbKssiiy slowsshe&ot of the silo or of the slid» 5 as ihr as in the fi ring: bdJf iri : drdev to he ailfs te sstodtsCs and feed to the drstsg box lire resgbred feet ·ί|»κκ5ΐΐ1«χ Ip Ihe sheet drhe requited, ihe cestvsyhlg ph dr soppost áir re^idreu for iiris purpose is -supplied in & eotifroSied nastipar thfbssgh the ebisveylhgjgss hoe ft and feji oreasrs of the oofsvbytng gas: hi owe? 12. ffgars 4 -5chep'!3.tic.aHy shows the dynaonc behavior c3 a dlieef ;P:d an indirect hsmace or of a direct ss wed or 4s indireer trrltig system of a eo;;btired power pliant. While the Igeresse 413 h« beder o;rifp;S Ifoth ly; :to w!| the dhee: Ibmsee starling cart fern t« takes ihe time In, the increase of the mm? Ixsler ootpot wht· the ipdkea fUrnace starting oot froio, ·,-.: only regoirss fho mne t5 and thus couves substantially closer to ap ideal, orpki increase within s tlrise fc 3lep tesponse). 'Ifeottgh: the nv.itbod according to the invention: or the asseo-biy t;cct;riiing to the idventiori: # tissfgplpg at Icsst one of the esal grindisig plnats 2. ], 2.2, 2.3, 2>4 In a#itlon k: She dieecs lyrnace with at; isdirecs ikxosce and tspersting ssh! fnrpaoe ns indirect tenace and upon a frequency change in the power grid or a printar) and/or seoohdasy req«irert;eni of the power grid operator with respect to the cuwent output into the grid of incraaskg or redudng tiie quuotby of the coal daatdlsebarged Ifotp the silo 5 mi iodsreetly led to thn lrisg box eorapared with the indirectly supplied coal dust qnaa-ity upon stable grid freeseney, the dynarsic behavior of She fumaoe accotdleg to Figure 4 and thus also the plant respotsse behavior, ;..e. d® dynamlo behavior of She co&kfired power plant cat; b® sshsiasosliy Improved. The loo;ease of P;e boiler output mors L;i to 1, eonsdubes a percentage of tbs nosrùntd |iûpSrpï8$t oubxp RC. for çxsrepip &« Cseressé by sü% of the steroidal power pór«· otapat RC. &* svspî «f s. msisdsbases or & Iklliir« ste !spgeriiddb%: ocgSt* 1$ or <>M dlsstglagideviee 15 of tbs iddireet Ss% 'm tmi '0té\tí$0m· %4 fbe «pstadoo sf&s «©al pi^®g--pím II* dite« csss: be cmtkmS 'M Ê®t âi& coal dost swipes 6 &si j 3 sare reset : add the éool dost thstsngS tft« $$$ tet ides 3. !. 3.2». 3 J, .3.4 :ts direedy fed t>? dredlrbsg box s^p ;b& :>do 5 as weit as sw sppoblorèsg organe 10 ans te charging device IS are thés bypassed. If fúste- «osl gtindlog gisais 2. U 2:2. 2.3: ere abbtoooaly designt wild φ bsdirect tbiog s^sto*· oce or 3 phxxtby of csa! grinding plants- ess be:ïsm hÿ me^g ofreseíbsg ofíbeeesbáiisl swsífibesb asd 33 te tse opot&hon as infrrec· bring svstssd m§ tins» teropwrsriiy .repose«: the Indirect bring svstess «fine cool gnodtng; pfent 2 Λ carreotlψ teergoing owírsRpeswe,

Clbvloîisiÿ» with the sîtetbod according m #8· iineenite or thé ssseirsbiy sccorfbtg tp d*«' tevvndoo regordtng: im prisnaty :as?ä' ssspä^a^'-s^ilml er tbs primary and secondary requirement and ftosnibss: the ipässigeepooxe oebgwtpr or wsiii respect to the improved dynamic heton.dor <;f a own- bred poo-er piani ste eni> fee «serfeptsnty sxsteooed brdt·»»·· Rewe? Cdd Regolatbsos ss«l ihei? ib^frOnlense pari be oisiohisoed: er ssostseo.! bet aise tariher eaîrooss or ternidloesl tegdlStions regattáig 0: rapid or improved dynamic behavior of the üooi-tsreO power okot. Γο this eras, if rdgeired. tsteresÿ the storage ybltehe fife erste S bed the tetet® rates oirbte s^porbraeng orgaos m- and/or of the: charging devices IS aoddx cd the coeveyiag gas blower 12 have to be aeapted t* die tegteibiops.

Iteof rcRrboee osmbem: 1 Ferrsice 2. t Coal grief 5oe plant 2.2 Coal griedlog p'uou 23 Coslgrbstiogplard 2.2 Cost grirsdieg piaet 3.1 Cool dorr Ibse 3.2 Cool dost line 3.3 Cool dost Ibse 3.4 Coal dust bio« 4 Seconder 5 SHo 6: Coal dost switch.. ?.. ? Storage line 72 Storage ilise 73: Storage tine 7.4 Storage lino § Conaeetlag line S.f Peed bo«

Claims

9.3 Feed iss«: 9.3: Feed line 9:.:4 Feed Un© 10 Apportioning o?p& 1 1 Gofsxsying-giîs: Une: 12 Conveying g&s bknser ; 3 Coal dust swiich 14 Carrier sas discharge line 15 Cbsiging device Eljárás: p:ésíU2;siésfs asram# álssápkíss 9ïss^e4és^«k js^Msàsm « vstonos hálásai bmseÉappaek sMálspa Mmgg' Igényéinél: s: bálozsiha vsM&ramhe$itelre voaaikoafes «s sxiníbxelásS es4kss§:
4. As 1. szatírái épzás, bögy a: közvetettéit bevaaátéít szénpornmnoyiség rSőveiéSíktél vagy csökkentesénél egy száim^áz-tevébcteodezés (Ibériaiammá): szabályoztritan növeljük »agy csőkké üti ük. 5. a 3, vagy 4, Igénypont szénáé vés zás, azsaé hogy & b««4agOó szervek 00} átaíami&st tegeslbnésyenek nbvelését vagy csökkemásét és/vagy a száiiitegáz· fövőberendezés 02) btefögstáramásak növeléséi vagy csökkentését a széntüzelésé erômônek a vfkanos hálózat íásnasssxm ΐφ%'Φ áSs* befolyások íbmbkígeOtfSíéay-szabályozása: bajos; yblí®,
6. Az |, Igénypont sserksb eb érés. accfö /OÄwsejVi.y begy sa elsődleges Igéstyl egy iávvesérlésü jel átlát érvényesítjük.
8. Az :i. Igénypert!· szerinti eljárás, emäje®emem> hegy a másodlagos igényi az erőmű kiszolgáló személyzeipek adok írásbeli vagy szóbél* márkással érvényesítjük. ». SzénPlzaláső eronm, nhe! m erőmű egy névleges iefssilmébzíys) (EG) rendelkezik és egy iüzalobsrérdezéssé! O) »m kialakítva, «mely lényegében legalább egy égéskamrát isrialmaz akSzelbaavag eltüzelésére, továbbá legalább kél, közvetlen tüzekéendszerTeS rendelkező szénörlő berendezés· (2. L 2.2, 2:3, 2.4} s tüzelőanyag aprítására, aboi a közvetlen ílfööidmnásKeníksföi a szénőríö berendezésektől 12.1:, 2,2. 23, 2.4) a hozzájuk tartes» égőket eáaso saénporveáetékek: (3.1. 3.2, 3.3. 33} ístdaföak ki, ahol ezen szenőtlő heretsdesésék: legOább egyike (2.4) egy járulékos: kösvseett t ti xoierend szerrel rendelkezik, amely legalább egy síiét (5), val&osnt beadagoló szervekéi (lö) Ikrtalrnsiz, és * széhpör $fc égéskaístáhn ír kőzvAeg: lozalorepdszeret; kérésziül közvetetten vezethető be, tóig a további szésbriő beremlazésekfíé} ;2.i. 2.2, 2.3} a szénpor az égéskamrába a közvetlen fözelőteoészáren keresztéi késve!lenöl vezethető be, ituaijdtemm«, begy a: közvetett tézeiőfondssetek snlntiegylk szénáivezeiékében (3.1, 3.2,3.3, 3 4} egy első szespor-ifkavyklsb: (§); van dreadézy® bogy as első szénpof-ltásyváliék |é> láröíévasetskekks! (72,. 7.2, 7.3, 7.4) vannak összekötve, aszd y ö:. egy közös kiválasztása ;4) soíkeOanak, és ez a leválasztó (4) egy összekötő vezetékes (8) kereszt a ss!$yaJ. (:;) vas összekötve, egyarsskkse a siló (3) bevezetik vezetékeken {·?·.;. 9.2, 9,3, 3.4} és további sa4apöf-iváe,yváktóköa ('13} kemætâl ez etó széöpot2tásyváÖ*fc (¾} utas. össze .vsa kötve a szényötvezelékekke) 13.1, 3.2, 3,3, 3.4)., és kegy a bevezető vezetékek (33, 9,2, 9.3, 9.4> sr^degyskébet· egy-egv beaöagelé szerv (19)ésegy-egy iekiáöszeskezet (IS) vso ettendezve.