Munyori: Lukas Bijikli, Product Portfolio Manager, Integrated Gear Drives, R&D CO2 Compression and Heat Pumps, Siemens Energy.
Kwemakore akawanda, iyo Integrated Gear Compressor (IGC) yanga iri tekinoroji yesarudzo yezvidyarwa zvekuparadzanisa mweya. Izvi zvinonyanya kukonzerwa nekushanda kwavo kwepamusoro, izvo zvinotungamirira zvakananga kuderedza mari yeokisijeni, nitrogen uye inert gasi. Nekudaro, iyo iri kukura yekutarisa pa decarbonization inoisa zvitsva zvinodikanwa paIPCs, kunyanya maererano nekushanda uye kudzora kushanduka. Kushandiswa kwemari kunoramba kuri chinhu chakakosha kune vanogadzira zvidyarwa, kunyanya mumabhizinesi madiki uye epakati.
Kwemakore mashoma apfuura, Nokia Energy yakatanga mapurojekiti akati wandei ekutsvagisa nekusimudzira (R&D) ane chinangwa chekuwedzera IGC hunyanzvi hwekusangana nekuchinja kuri kuda kwemusika wekuparadzanisa mweya. Chinyorwa ichi chinoburitsa mamwe magadzirirwo ekugadzirisa kwatakaita uye anokurukura kuti shanduko idzi dzinogona kubatsira sei kuzadzisa mutengo wevatengi vedu uye kudzikisa kabhoni zvinangwa.
Mazhinji mayuniti ekuparadzanisa mhepo nhasi akashongedzerwa nemacompressor maviri: main air compressor (MAC) uye boost air compressor (BAC). Iyo huru yemhepo compressor inowanzo tsikitsira kuyerera kwese kwemhepo kubva kumhepo yemhepo kusvika kunosvika 6 bar. Chikamu chekuyerera uku chinozowedzerwa zvakare kumanikidzwa muBAC kune kumanikidzwa kusvika ku60 bar.
Zvichienderana nemasimba emagetsi, compressor inowanzofambiswa nemhepo inoputika kana motokari yemagetsi. Paunenge uchishandisa turbine yehutsi, ese ari maviri macompressor anofambiswa neiyo turbine imwechete kuburikidza nemapatya shaft magumo. Mune classical scheme, giya repakati rinoiswa pakati pemhepo inopisa uye HAC (Fig. 1).
Mune ese ari maviri emagetsi anotyairwa uye nemhepo turbine inofambiswa masisitimu, compressor kunyatsoita isimbi ine simba ye decarbonization sezvo ichikanganisa zvakananga mashandisiro esimba reyuniti. Izvi zvinonyanya kukosha kune MGPs inofambiswa nemhepo turbines, sezvo yakawanda yekupisa yekugadzirwa kweutsi inowanikwa mumafossil-anopfuta boilers.
Kunyangwe mota dzemagetsi dzichipa imwe yakasvibira kune inopfungaira turbine madhiraivha, pane kazhinji kudiwa kukuru kwekudzora kushanduka. Zvizhinji zvemazuva ano zvidyarwa zvekuparadzanisa mhepo zviri kuvakwa nhasi zvine grid-yakabatana uye zvine mwero wepamusoro wekushandiswa kwesimba. MuAustralia, semuenzaniso, kune zvirongwa zvekuvaka akati wandei egirinhi ammonia zvirimwa zvinoshandisa mhepo yekuparadzanisa zvikamu (ASUs) kugadzira nitrogen yeammonia synthesis uye inotarisirwa kugashira magetsi kubva pedyo nemhepo nemapurazi ezuva. Pazvidyarwa izvi, kushanduka-shanduka kwakakosha kutsiva kushanduka kwechisikigo mukugadzirwa kwemagetsi.
Siemens Energy yakagadzira IGC yekutanga (yaimbozivikanwa seVK) muna 1948. Nhasi kambani inogadzira zvikamu zvinopfuura 2,300 pasi rose, dzakawanda dzayo dzakagadzirirwa kushandiswa nemazinga ekuyerera anopfuura 400,000 m3 / h. MaMGP edu emazuva ano ane kuyerera kunosvika 1.2 miriyoni cubic metres paawa muchivakwa chimwe. Izvi zvinosanganisira giya isina vhezheni yekoni compressor ine pressure ratios inosvika 2.5 kana yepamusoro mune imwe-nhanho shanduro uye kumanikidza reshiyo inosvika 6 mune serial shanduro.
Mumakore achangopfuura, kusangana nekuwedzera kuri kuda kweIGC kunyatsoshanda, kudzora kuchinjika uye mutengo wemari, takaita mamwe anocherekedza magadzirirwo ekugadzirisa, ayo akapfupikiswa pazasi.
Iko kusiyanisa kugona kwehuwandu hwemapellers anowanzo shandiswa mukutanga MAC nhanho inowedzerwa nekusiyanisa blade geometry. Neiyi nyowani nyowani, mashandiro akasiyana anosvika 89% anogona kuwanikwa musanganiswa neakajairwa LS diffusers uye anopfuura makumi mapfumbamwe muzana musanganiswa nechizvarwa chitsva chehybrid diffusers.
Mukuwedzera, iyo impeller ine nhamba yeMach yakakwira kupfuura 1.3, iyo inopa nhanho yekutanga ine yakakwirira simba density uye compression reshiyo. Izvi zvakare zvinodzikisira simba iro magiya ari mumatatu-nhanho MAC masisitimu anofanirwa kufambisa, zvichibvumira kushandiswa kwediki dhayamita magiya uye yakananga dhiraivha mabhokisi mumatanho ekutanga.
Kuenzaniswa neyechinyakare yakazara-kureba LS vane diffuser, inotevera chizvarwa hybrid diffuser ine yakawedzera nhanho kugona kwe2.5% uye control factor ye3%. Kuwedzera uku kunowanikwa nekusanganisa mashizha (kureva kuti mashizha akakamurwa kuva zvikamu zvehupamhi-hurefu uye chikamu-hurefu). Mukugadzirisa uku
Iyo inoyerera inobuda pakati pe impeller uye diffuser inoderedzwa nechikamu chehurefu hweblade iyo iri padyo ne impeller kupfuura mablades eyakajairwa LS diffuser. Sezvinoita neyakajairwa LS diffuser, iyo inotungamira mipendero yeakazara-kureba mablades akaenzana kubva kune impeller kudzivirira kusangana kweimpeller-diffuser kunogona kukuvadza mablades.
Kuwedzera kureba kwema blades padhuze ne impeller zvakare kunonatsiridza mafambiro ekuyerera padhuze ne pulsation zone. Nekuti iyo inotungamira mupendero weiyo yakazara-kureba vane chikamu inoramba yakaenzana dhayamita seyakajairwa LS diffuser, iyo throttle line haina kukanganiswa, ichibvumira kuwanda kwekushandisa uye kugadzirisa.
Jekiseni remvura rinosanganisira kubaya madonhwe emvura murukova rwemhepo muchubhu yekukweva. Iwo madonhwe anoputika uye anotora kupisa kubva mukuita gasi rwizi, nekudaro achidzikisa tembiricha yekupinza kusvika padanho rekumanikidza. Izvi zvinoguma nekudzikiswa kwesimba reisetropic zvinodiwa uye kuwedzera kwekushanda kweanopfuura 1%.
Kuomesa giya shaft inokubvumira kuti uwedzere kushushikana kunobvumidzwa pane imwe unit nzvimbo, iyo inobvumidza iwe kuderedza zino upamhi. Izvi zvinoderedza kurasikirwa kwemagetsi mubhokisi regiya nekusvika makumi maviri neshanu muzana, zvichikonzera kuwedzera kwekuita kwese kunosvika 0.5%. Pamusoro pezvo, mitengo huru yecompressor inogona kudzikiswa kusvika pa1% nekuti simbi shoma inoshandiswa mubhokisi hombe regiya.
Iyi impeller inogona kushanda neinoyerera coefficient (φ) inosvika 0.25 uye inopa 6% yakawanda musoro kupfuura 65 degree impellers. Mukuwedzera, iyo inoyerera coefficient inosvika 0.25, uye mune kaviri-kuyerera dhizaini yemuchina weIGC, iyo volumetric inoyerera inosvika 1.2 miriyoni m3 / h kana kunyange 2.4 miriyoni m3 / h.
Iyo yakakwira phi kukosha inobvumira kushandiswa kwediki dhayamita impeller pane imwecheteyo vhoriyamu kuyerera, nekudaro kuderedza mutengo weiyo huru compressor kusvika ku4%. Iyo dhayamita yedanho rekutanga impeller inogona kuderedzwa zvakanyanya.
Musoro wepamusoro unowanikwa ne75 ° impeller deflection angle, iyo inowedzera circumferential velocity chikamu pakubuda uye nekudaro inopa musoro wepamusoro zvinoenderana neEuler's equation.
Kuenzaniswa ne-high-speed uye high-effect impellers, kushanda kwemagetsi kunoderedzwa zvishoma nekuda kwekurasikirwa kwepamusoro muvolute. Izvi zvinogona kubhadharwa nekushandisa hozhwa yepakati nepakati. Nekudaro, kunyangwe pasina mavhoti aya, kushanda kwakasiyana kweanosvika 87% kunogona kuwanikwa paMach nhamba ye1.0 uye inoyerera coefficient ye0.24.
Iyo diki volute inokutendera iwe kuti udzivise kudhumhana nemamwe mavhoti kana dhayamita yegiya rakakura rakaderedzwa. Vashandi vanogona kuchengetedza mari nekuchinja kubva pa6-pole mota kuenda kune yepamusoro-speed 4-pole mota (1000 rpm kusvika 1500 rpm) pasina kupfuura iyo inobvumirwa giya kumhanya. Pamusoro pezvo, inogona kuderedza mari yezvinhu zvehelical uye magiya makuru.
Pakazere, iyo huru compressor inogona kuchengetedza inosvika 2% mumutengo mukuru, pamwe nejini inogonawo kuchengetedza 2% mumutengo wemari. Nekuda kwekuti ma compact volutes akati shandei zvishoma, sarudzo yekuashandisa inotsamira pane zvinonyanya kukoshesa mutengi (mutengo unopesana.
Kuti uwedzere masimba ekutonga, IGV inogona kuiswa pamberi pematanho akawanda. Izvi zvakasiyana zvakanyanya nemapurojekiti eGC apfuura, ayo aingosanganisira maIGV kusvika pachikamu chekutanga.
Mukudzokororwa kwekare kweIGC, iyo vortex coefficient (kureva, kona ye IGV yechipiri yakakamurwa nekona yekutanga IGV1) yakaramba iripo pasinei nokuti kuyerera kwaiva mberi (angle> 0 °, kuderedza musoro) kana reverse vortex (angle <0). °, kumanikidza kunowedzera). Izvi hazvina kunaka nekuti chiratidzo chekona chinoshanduka pakati pemavortice akanaka neasina kunaka.
Iyo nyowani yekumisikidza inobvumira maviri akasiyana evortex ratios kuti ashandiswe kana muchina uri kumberi uye reverse vortex modhi, nekudaro ichiwedzera iyo yekudzora renji ne 4% uchiramba uchishanda.
Nekubatanidza iyo LS diffuser yeimpeller inowanzoshandiswa muBACs, iyo yakawanda-nhanho inoshanda inogona kuwedzerwa kusvika 89%. Izvi, zvakasanganiswa nekumwe kuvandudzwa kwehunyanzvi, zvinoderedza huwandu hweBAC nhanho uchichengetedza hunyanzvi hwechitima. Kuderedza huwandu hwematanho kunobvisa kudiwa kweiyo intercooler, yakabatana process gasi piping, uye rotor uye stator zvikamu, zvichikonzera kuchengetwa kwemutengo we10%. Pamusoro pezvo, muzviitiko zvakawanda zvinokwanisika kusanganisa iyo huru yemhepo compressor uye iyo booster compressor mumushini mumwe.
Sezvambotaurwa, giya repakati rinowanzodiwa pakati peiyo turbine yemhepo neVAC. Iine dhizaini nyowani yeIGC kubva kuSiemens Energy, iyi idler giya inogona kubatanidzwa mubhokisi regiya nekuwedzera shaft isingaite pakati pepinion shaft negiya hombe (magiya mana). Izvi zvinogona kuderedza mutengo wakazara wemutsara (main compressor pamwe nemidziyo yekubatsira) kusvika pa4%.
Pamusoro pezvo, 4-pinion magiya ndiyo imwe nzira inoshanda kune compact scroll motors yekuchinja kubva pa6-pole kuenda ku4-pole mota mumahombe makuru emhepo compressor (kana paine mukana wekudhumhana kwevolute kana kana iyo yakanyanya kubvumidzwa pinion kumhanya ichideredzwa). ) yapfuura.
Kushandisa kwavo kuri kuwedzerawo kuwanda mumisika yakati wandei yakakosha kumaindasitiri decarbonization, kusanganisira kupisa pombi uye kudzvanywa kweutsi, pamwe nekudzvanywa kwe CO2 mukutora kabhoni, kushandiswa uye kuchengetedza (CCUS) budiriro.
Siemens Energy ine nhoroondo yakareba yekugadzira nekushanda IGCs. Sezvinoratidzwa nezviri pamusoro (uye zvimwe) tsvakiridzo nekusimudzira kuedza, takazvipira kuramba tichigadzira michina iyi kuti isangane nezvinodiwa zvekushandisa uye kusangana nekukura kuri kuita misika yemitengo yakaderera, kuwedzera kushanda nesimba uye kuwedzera kusimba. KT2
Nguva yekutumira: Kubvumbi-28-2024