Mongoli: Lukas Bijikli, Mookameli oa Portfolio ea Sehlahisoa, Li-Gear Drives tse Kopantsoeng, R&D CO2 Compression and Heat Pumps, Siemens Energy.
Ka lilemo tse ngata, Integrated Gear Compressor (IGC) e bile theknoloji ea khetho bakeng sa limela tsa karohano ea moea. Sena se bakoa haholo ke ts'ebetso ea bona e phahameng, e lebisang ka kotloloho ho fokotsa litšenyehelo bakeng sa oksijene, naetrojene le khase ea inert. Leha ho le joalo, tsepamiso e ntseng e hola ea decarbonization e beha litlhoko tse ncha ho li-IPC, haholo mabapi le ts'ebetso le maemo a taolo. Tšebeliso ea lichelete e ntse e tsoela pele ho ba ntlha ea bohlokoa bakeng sa basebetsi ba limela, haholo-holo likhoebong tse nyenyane le tse mahareng.
Lilemong tse 'maloa tse fetileng, Siemens Energy e qalile merero e mengata ea lipatlisiso le nts'etsopele (R&D) e reretsoeng ho holisa bokhoni ba IGC ho fihlela litlhoko tse fetohang tsa' maraka oa karohano ea moea. Sengoliloeng sena se totobatsa lintlafatso tse itseng tsa moralo tseo re li entseng 'me se tšohla hore na liphetoho tsena li ka thusa joang ho fihlela sepheo sa bareki ba rona le ho fokotsa khabone.
Litsi tse ngata tsa karohano ea moea kajeno li na le li-compressor tse peli: mochini o ka sehloohong oa moea (MAC) le oa boost air compressor (BAC). Compressor ea mantlha ea moea hangata e hatella phallo eohle ea moea ho tloha khatellong ea sepakapaka ho ea ho li-bar tse ka bang 6. Karolo ea phallo ena e ntse e hatelloa hape ho BAC ho khatello ea ho fihla ho 60 bar.
Ho itšetlehile ka mohloli oa matla, compressor hangata e tsamaisoa ke turbine ea mouoane kapa motlakase oa motlakase. Ha o sebelisa turbine ea mouoane, li-compressor ka bobeli li khannoa ke turbine e le 'ngoe ka lipheletsong tse peli tsa shaft. Lenaneong la khale, ho kenngoa gear e bohareng pakeng tsa turbine ea mouoane le HAC (setšoantšo sa 1).
Lits'ebetsong tse tsamaisoang ke motlakase le li-turbine tsa mouoane, ts'ebetso ea compressor ke sesebelisoa se matla sa decarbonization kaha se ama ts'ebeliso ea matla a yuniti ka kotloloho. Sena ke sa bohlokoa ka ho khetheha bakeng sa li-MGP tse tsamaisoang ke li-turbine tsa mouoane, kaha boholo ba mocheso bakeng sa tlhahiso ea mouoane o fumanoa ka li-boilers tse nang le mafura a mafura.
Le hoja li-motor tsa motlakase li fana ka mokhoa o mong o motala ho feta li-drive tsa turbine tsa mouoane, hangata ho na le tlhokahalo e kholo ea ho feto-fetoha ha taolo. Limela tse ngata tsa morao-rao tsa karohano ea moea tse ntseng li hahuoa kajeno li hokahane le marang-rang 'me li na le tšebeliso e phahameng ea matla a tsosolositsoeng. Ka mohlala, Australia, ho na le merero ea ho haha limela tse 'maloa tsa ammonia tse tala tse tla sebelisa likarolo tsa karohano ea moea (ASUs) ho hlahisa naetrojene bakeng sa motsoako oa ammonia' me ho lebeletsoe ho fumana motlakase ho tloha mapolasing a haufi a moea le a letsatsi. Ho lifeme tsena, ho feto-fetoha ha taolo ho bohlokoa ho lefella ho fetoha ha tlhaho ha tlhahiso ea matla.
Siemens Energy e hlahisitse IGC ea pele (eo pele e neng e tsejoa e le VK) ka 1948. Kajeno k'hamphani e hlahisa lihlopha tse fetang 2,300 lefatšeng ka bophara, tse ngata tsa tsona li etselitsoe likopo tse nang le litekanyetso tsa phallo tse fetang 400,000 m3 / h. Li-MGP tsa rona tsa sejoale-joale li na le sekhahla sa phallo se fihlang ho li-cubic metres tse limilione tse 1.2 ka hora mohahong o le mong. Tsena li kenyelletsa mefuta e se nang gear ea li-compressor tse nang le likhatello tse fihlang ho 2.5 kapa ho feta liphetolelong tsa mokhahlelo o le mong le likhatello tse fihlang ho 6 liphetolelong tsa serial.
Lilemong tsa morao tjena, ho fihlela litlhoko tse ntseng li eketseha tsa katleho ea IGC, ho feto-fetoha ha taolo le litšenyehelo tsa lichelete, re entse lintlafatso tse hlokomelehang tsa moralo, tse akaretsoang ka tlase.
Bokhoni bo fapaneng ba li-impellers tse ngata tse sebelisoang sethaleng sa pele sa MAC bo eketsoa ka ho fetola jiometry ea lehare. Ka sesebelisoa sena se secha, matla a fapaneng a fihlang ho 89% a ka fihlelleha hammoho le li-diffuser tse tloaelehileng tsa LS le tse fetang 90% hammoho le moloko o mocha oa li-diffuser tse nyalisitsoeng.
Ho phaella moo, impeller e na le palo ea Mach e phahameng ho feta 1.3, e fanang ka mohato oa pele o nang le matla a phahameng a matla le khatello ea khatello. Sena se boetse se fokotsa matla ao likere tsa lits'ebetso tsa MAC tsa mekhahlelo e meraro li tlamehang ho a fetisa, ho lumella ts'ebeliso ea likere tse nyane tsa bophara le li-gearbox tsa ho khanna ka kotloloho methating ea pele.
Ha ho bapisoa le tloaelo e tloaelehileng ea LS vane diffuser, moloko o latelang oa hybrid diffuser o na le bokhoni bo eketsehileng ba 2.5% le ntlha ea taolo ea 3%. Keketseho ena e finyelloa ka ho kopanya li-blades (ke hore, li-blades li arotsoe ka likarolo tse feletseng le tse sa fellang). Ka tlhophiso ena
Phallo ea phallo pakeng tsa impeller le diffuser e fokotsehile ke karolo ea bophahamo ba lehare e haufi le impeller ho feta mahare a LS diffuser e tloaelehileng. Joalo ka mokhoa o tloaelehileng oa LS diffuser, likarolo tse ka pele tsa mahare a bolelele bo felletseng li lekana ho tloha ho impeller ho qoba tšebelisano ea li-impeller-diffuser tse ka senyang mahare.
Ho eketsa bolelele ba li-blades haufi le impeller ho boetse ho ntlafatsa tsela ea phallo haufi le sebaka sa pulsation. Hobane moeli o ka sehloohong oa karolo ea bolelele bo feletseng e lula e le bophara bo lekanang le LS diffuser e tloaelehileng, mohala oa throttle ha o amehe, o lumellang hore ho be le mefuta e mengata ea tšebeliso le tokiso.
Ente ea metsi e kenyelletsa ho kenya marotholi a metsi moeeng ka har'a tube e monyang. Marotholi a fetoha mouoane 'me a monya mocheso ho tloha mothapong oa khase, ka hona a fokotsa mocheso o kenang sebakeng sa khatello. Sena se fella ka phokotso ea litlhoko tsa matla a isentropic le keketseho ea ts'ebetso e fetang 1%.
Ho thatafatsa mochini oa gear ho u fa monyetla oa ho eketsa khatello ea maikutlo e lumelletsoeng sebakeng sa yuniti, e u lumellang ho fokotsa bophara ba leino. Sena se fokotsa tahlehelo ea mochini ka har'a lebokose la li-gear ka ho fihla ho 25%, e leng se bakang keketseho ea katleho ea kakaretso ea ho fihla ho 0.5%. Ntle le moo, litšenyehelo tsa mantlha tsa compressor li ka fokotsoa ho fihla ho 1% hobane tšepe e nyane e sebelisoa ka lebokoseng le leholo la gear.
Mokelikeli ona o ka sebetsa ka coefficient ea phallo (φ) ho fihlela ho 0.25 'me e fana ka 6% ho feta hlooho ho feta li-impeller tsa 65 degree. Ho phaella moo, phallo ea phallo e fihla ho 0.25, 'me ka mokhoa oa ho phalla habeli oa mochine oa IGC, phallo ea volumetric e fihla ho limilione tse 1,2 m3 / h kapa esita le 2.4 milione m3 / h.
Phaello e phahameng ea phi e lumella ho sebelisoa ha "diameter" e nyenyane ea "diameter" ka phallo e le 'ngoe ea molumo, ka hona ho fokotsa litšenyehelo tsa compressor e kholo ho fihlela ho 4%. Bophara ba mohato oa pele oa impeller bo ka fokotsoa le ho feta.
Hlooho e phahameng e fihlelleha ka 75 ° impeller deflection angle, e eketsang karolo ea circumferential velocity sebakeng sa ho tsoa 'me kahoo e fana ka hlooho e phahameng ho latela equation ea Euler.
Ha ho bapisoa le li-impellers tsa lebelo le phahameng le tse sebetsang hantle haholo, katleho ea li-impeller e fokotsehile hanyenyane ka lebaka la tahlehelo e phahameng ho volute. Sena se ka lefshoa ka ho sebelisa khofu ea boholo bo mahareng. Leha ho le joalo, esita le ntle le li-volutes tsena, katleho e fapaneng ea ho fihla ho 87% e ka finyelloa ka palo ea Mach ea 1.0 le coefficient ea phallo ea 0.24.
Volute e nyane e u lumella ho qoba ho thulana le li-volute tse ling ha bophara ba gear e kholo bo fokotseha. Basebelisi ba ka boloka litšenyehelo ka ho tloha ho enjene ea lipalo tse 6 ho ea ho enjene ea lebelo le holimo la 4-pole (1000 rpm ho isa ho 1500 rpm) ntle le ho feta lebelo le phahameng le lumelletsoeng la gear. Ho feta moo, e ka fokotsa litšenyehelo tsa thepa bakeng sa likere tsa helical le tse kholo.
Ka kakaretso, compressor e kholo e ka boloka ho fihla ho 2% ka litšenyehelo tsa chelete, hammoho le enjene e ka boloka 2% ka litšenyehelo tsa chelete. Hobane li-compact volutes li batla li sa sebetse hantle, qeto ea ho li sebelisa e itšetlehile haholo ka lintho tse tlang pele ho moreki (litšenyehelo khahlano le katleho) 'me li tlameha ho hlahlojoa ho latela morero.
Ho eketsa bokhoni ba ho laola, IGV e ka kenngoa ka pel'a mekhahlelo e mengata. Sena se fapane haholo le merero ea pele ea IGC, e neng e kenyelletsa feela li-IGV ho fihlela mohato oa pele.
Liphetolelong tsa pele tsa IGC, coefficient ea vortex (ke hore, angle ea IGV ea bobeli e arotsoe ke angle ea IGV1 ea pele) e ile ea lula e sa fetohe ho sa tsotellehe hore na phallo e ne e le teng pele (angle> 0 °, ho fokotsa hlooho) kapa ho khutlela morao (angle <0). °, khatello ea eketseha). Sena ha se na thuso hobane lets'oao la angle le fetoha lipakeng tsa li-vortices tse ntle le tse mpe.
Tlhophiso e ncha e lumella litekanyo tse peli tse fapaneng tsa vortex hore li sebelisoe ha mochine o le ka pele 'me o khutlisetsa morao mokhoa oa vortex, kahoo o eketsa sebaka sa taolo ka 4% ha o ntse o boloka ts'ebetso e tsitsitseng.
Ka ho kenyelletsa LS diffuser bakeng sa impeller e sebelisoang hangata ho BACs, katleho ea mekhahlelo e mengata e ka eketsoa ho 89%. Sena, se kopantsoe le lintlafatso tse ling tse sebetsang hantle, se fokotsa palo ea mekhahlelo ea BAC ha ho ntse ho bolokoa katleho ea literene ka kakaretso. Ho fokotsa palo ea mekhahlelo ho felisa tlhokahalo ea intercooler, ho tsamaisana le liphaephe tsa khase, le likarolo tsa rotor le stator, ho fella ka ho boloka litšenyehelo tsa 10%. Ho feta moo, maemong a mangata hoa khoneha ho kopanya moea o ka sehloohong oa compressor le booster compressor mochine o le mong.
Joalo ka ha ho boletsoe pejana, giar ea mahareng hangata e hlokahala lipakeng tsa turbine ea mouoane le VAC. Ka moralo o mocha oa IGC o tsoang ho Siemens Energy, gear ena e sa sebetseng e ka kopanngoa ka har'a lebokose la gear ka ho eketsa shaft e sa sebetseng pakeng tsa pinion shaft le gear e kholo (4 gear). Sena se ka fokotsa litšenyehelo tsohle tsa mohala (compressor e kholo hammoho le lisebelisoa tse thusang) ka 4%.
Ho feta moo, likere tse 4-pinion ke mokhoa o mong o sebetsang hantle ho feta oa li-motor scroll scroll bakeng sa ho chencha ho tloha ho 6-pole ho ea ho 4-pole motors ka li-compressor tse kholo tsa moea (haeba ho na le monyetla oa ho thulana ha volute kapa haeba lebelo le phahameng le lumelletsoeng le tla fokotsoa). ) nakong e fetileng.
Tšebeliso ea bona e boetse e tloaelehile haholo limmarakeng tse 'maloa tsa bohlokoa ho decarbonization ea indasteri, ho kenyelletsa le lipompo tsa mocheso le khatello ea mouoane, hammoho le khatello ea CO2 ho nts'etsopele ea carbon, tšebeliso le polokelo (CCUS).
Siemens Energy e na le nalane e telele ea ho rala le ho sebetsa li-IGC. Joalo ka ha ho pakoa ke liteko tse kaholimo (le tse ling) tsa lipatlisiso le nts'etsopele, re ikemiselitse ho tsoela pele ho nchafatsa mechini ena ho fihlela litlhoko tse ikhethang tsa ts'ebeliso le ho fihlela litlhoko tse ntseng li hola tsa mmaraka bakeng sa litšenyehelo tse tlase, ts'ebetso e eketsehileng le botsitso bo eketsehileng. KT2
Nako ea poso: Apr-28-2024