HANGZHOU NUZHUO TECHNOLOGY GROUP CO., LTD.

Munyori: Lukas Bijikli, Maneja weZvigadzirwa, Madhiraivha eGear Akabatanidzwa, Mapombi eKudzvanya neKupisa eR&D CO2, Siemens Energy.
Kwemakore mazhinji, Integrated Gear Compressor (IGC) yave iri tekinoroji inosarudzwa yefekitori dzinoparadzanisa mhepo. Izvi zvinonyanya kukonzerwa nekushanda kwayo zvakanaka, izvo zvinotungamira zvakananga kudzikira kwemitengo yeokisijeni, nitrogen negasi risina kuchena. Zvisinei, kuwedzera kwekutarisa pakubvisa kabhoni kunoisa zvinodiwa zvitsva paIPCs, kunyanya panyaya yekushanda zvakanaka uye kuchinjika kwemitemo. Mari inoshandiswa mufekitori inoramba iri chinhu chakakosha kune vanoisa fekitori, kunyanya mumakambani madiki nepakati.
Mumakore mashoma apfuura, Siemens Energy yakatanga mapurojekiti akati wandei ekutsvagisa nekusimudzira (R&D) akanangana nekuwedzera kugona kweIGC kuti isangane nezvinodiwa zviri kuchinja zvemusika wekuparadzanisa mhepo. Chinyorwa chino chinosimbisa mamwe magadzirirwo atakagadzirisa uye chinokurukura kuti shanduko idzi dzinogona sei kubatsira kusangana nezvinangwa zvevatengi vedu zvekuderedza mutengo necarbon.
Mazhinji emayuniti ekuparadzanisa mhepo nhasi ane macompressor maviri: main air compressor (MAC) uye boost air compressor (BAC). Main air compressor inowanzo dzvanya kuyerera kwemhepo yese kubva pakumanikidzwa kwemhepo kusvika pamabhaa matanhatu. Chikamu chekuyerera uku chinozodzvanywa zvakare muBAC kusvika pakumanikidzwa kusvika kumabhaa makumi matanhatu.
Zvichienderana nekwakabva simba, compressor inowanzo fambiswa ne turbine yemhepo kana mota yemagetsi. Pakushandisa turbine yemhepo, ma compressor ese ari maviri anofambiswa ne turbine imwechete kuburikidza nemagumo maviri e shaft. Muchirongwa chekare, giya repakati rinoiswa pakati pe turbine yemhepo neHAC (Mufananidzo 1).
Mumasystem anofambiswa nemagetsi uye anofambiswa neturbine yemhepo, kushanda zvakanaka kwecompressor inzira ine simba yekubvisa kabhoni mumhepo sezvo ichikanganisa zvakananga kushandiswa kwesimba kweyuniti. Izvi zvakakosha zvikuru kune maMGP anofambiswa neturbine yemhepo, sezvo kupisa kwakawanda kwekugadzira mhute kunowanikwa mumaboilers ane mafuta efossil.
Kunyangwe mota dzemagetsi dzichipa imwe nzira yekurima panzvimbo pema turbine anofambiswa nemhepo, kazhinji pane kudiwa kukuru kwekuchinja-chinja kwesimba rekutonga. Mafekitori mazhinji emazuva ano ekuparadzanisa mhepo ari kuvakwa nhasi akabatana negrid uye ane simba rekushandisa simba rinogona kudzokororwa. Semuenzaniso, muAustralia, kune hurongwa hwekuvaka mafekitori akawanda e green ammonia ayo achashandisa mayuniti ekuparadzanisa mhepo (ASUs) kugadzira nitrogen yekugadzira ammonia uye anotarisirwa kugamuchira magetsi kubva kumapurazi emhepo nesolar ari pedyo. Pafekitori idzi, kuchinja-chinja kwesimba rekutonga kwakakosha kuti kudzorere kushanduka kwechisikigo mukugadzirwa kwemagetsi.
Siemens Energy yakagadzira IGC yekutanga (yaimbozivikanwa seVK) muna 1948. Nhasi kambani iyi inogadzira mayuniti anopfuura 2,300 pasi rese, mazhinji acho akagadzirirwa kushandiswa nemafambiro ekuyerera anopfuura 400,000 m3/awa. MaMGP edu emazuva ano ane mwero wekuyerera unosvika mamiriyoni 1.2 cubic metres paawa muchivako chimwe chete. Izvi zvinosanganisira macompressor econsole asina magiya ane huwandu hwekumanikidzwa hunosvika 2.5 kana kupfuura mumhando imwe chete uye huwandu hwekumanikidzwa hunosvika 6 mumhando dzakasiyana-siyana.
Mumakore achangopfuura, kuti tikwanise kuzadzisa zviri kuwedzera zvinodiwa zvekushanda zvakanaka kweIGC, kuchinjika kwemitemo uye mari yekushandisa, takaita shanduko huru mukugadzira, izvo zvakapfupikiswa pazasi.
Kushanda zvakanaka kwemhando dzakasiyana dzemaimpeller anowanzo shandiswa padanho rekutanga reMAC kunowedzerwa nekuchinja maitiro eblade. Neimpeller iyi itsva, kushanda zvakanaka kunosvika 89% kunogona kuwanikwa pamwe chete nemaLS diffusers akajairwa uye anopfuura 90% pamwe chete nechizvarwa chitsva chehybrid diffusers.
Pamusoro pezvo, impeller ine nhamba yeMach yakakwira kupfuura 1.3, iyo inopa danho rekutanga simba rakawanda uye chiyero chekumanikidzwa. Izvi zvinoderedzawo simba rinotumirwa nemagiya mumasisitimu eMAC ane nhanho nhatu, zvichibvumira kushandiswa kwemagiya madiki edhayamita uye magiya edhiraivha anotungamira muzvikamu zvekutanga.
Zvichienzaniswa ne LS vane diffuser yechinyakare ine urefu hwakazara, hybrid diffuser yechizvarwa chinotevera ine kushanda kwakawedzera kwechikamu che2.5% uye control factor ye3%. Kuwedzera uku kunowanikwa nekusanganisa mapanga (kureva kuti mapanga akakamurwa kuita zvikamu zvehurefu hwakazara uye zvikamu zvehurefu hushoma). Muchimiro ichi.
Kuyerera kwemvura pakati peimpeller nediffuser kunoderedzwa nechikamu chehurefu hwebanga riri pedyo neimpeller kupfuura mapanga eLS diffuser yakajairika. Sezvinoita neLS diffuser yakajairika, mipendero inotungamira yemapanga akazara iri kure neimpeller kudzivirira kusangana kweimpeller nediffuser zvinogona kukuvadza mapanga.
Kuwedzera zvishoma kureba kwemashizha ari pedyo ne impeller kunovandudzawo nzira yekuyerera kwemvura pedyo nenzvimbo yekuputika. Nekuti mupendero wepamberi wechikamu chevane chakazara unoramba uri dhayamita yakafanana neye LS diffuser yakajairika, mutsetse we throttle haukanganisike, zvichibvumira kushandiswa kwakasiyana-siyana uye kugadziriswa.
Kupinza mvura kunosanganisira kuisa madonhwe emvura mumhepo iri muchubhu yekusveta. Madonhwe aya anopwanyika uye anotora kupisa kubva mumhepo iri muchubhu yegesi, nokudaro achideredza tembiricha yekupinda kusvika padanho rekudzvanya. Izvi zvinoguma nekuderera kwezvinodiwa zvesimba reisentropic uye kuwedzera kushanda zvakanaka kweinopfuura 1%.
Kuomesa giya remuchina kunokubvumira kuwedzera kushushikana kunobvumirwa pachikamu chimwe nechimwe, izvo zvinokubvumira kuderedza upamhi hwezino. Izvi zvinoderedza kurasikirwa kwemuchina mubhokisi remagiya kusvika ku25%, zvichikonzera kuwedzera kwekushanda zvakanaka kusvika ku0.5%. Pamusoro pezvo, mitengo mikuru yecompressor inogona kuderedzwa kusvika ku1% nekuti simbi shoma inoshandiswa mubhokisi remagiya guru.
Iyi impeller inogona kushanda ne flow coefficient (φ) inosvika 0.25 uye inopa 6% yakawanda kupfuura 65 degrees impellers. Pamusoro pezvo, flow coefficient inosvika 0.25, uye mukugadzirwa kwe double-flow yemuchina weIGC, volumetric flow inosvika 1.2 miriyoni m3/h kana kunyange 2.4 miriyoni m3/h.
Kukosha kwepamusoro kwephi kunobvumira kushandiswa kweimpeller diki ine dhayamita imwe chete pakuyerera kwevhoriyamu imwe chete, nokudaro zvichideredza mutengo wecompressor huru kusvika ku4%. Dhayamita yeimpeller yedanho rekutanga inogona kuderedzwa zvakanyanya.
Musoro wepamusoro unowanikwa ne 75° impeller deflection angle, iyo inowedzera circumferential velocity component panzvimbo yekubuditsa uye nokudaro inopa musoro wepamusoro zvichienderana ne equation yaEuler.
Zvichienzaniswa nemaimpeller anomhanya zvakanyanya uye anoshanda zvakanyanya, kushanda kweimpeller kunodzikira zvishoma nekuda kwekurasikirwa kwakanyanya muimpeller. Izvi zvinogona kubhadharwa nekushandisa hozhwa yepakati nepakati. Zvisinei, kunyangwe pasina mavolute aya, kushanda kwakasiyana-siyana kunosvika 87% kunogona kuwanikwa paMach nhamba ye1.0 uye flow coefficient ye0.24.
Volute diki inokutendera kuti usaroverane nemamwe mavolute kana dhayamita yegiya hombe yaderedzwa. Vashandi vanogona kuchengetedza mari nekuchinja kubva pamota ine 6-pole kuenda kune mota ine 4-pole inomhanya zvakanyanya (1000 rpm kusvika 1500 rpm) pasina kudarika kumhanya kwegiya kunobvumirwa. Pamusoro pezvo, inogona kuderedza mitengo yezvinhu zvemagiya makuru neakareruka.
Kazhinji, compressor huru inogona kuchengetedza kusvika 2% mumari yekuvaka, uye injini inogonawo kuchengetedza 2% mumari yekuvaka. Nekuti ma "compact volutes" haashande zvakanaka, sarudzo yekuashandisa inonyanya kuenderana nezvinonyanya kukosheswa nemutengi (mutengo uchienzaniswa nekushanda zvakanaka) uye inofanira kuongororwa pachirongwa chimwe nechimwe.
Kuti kuwedzere kugona kwekudzora, IGV inogona kuiswa pamberi pematanho akasiyana-siyana. Izvi zvakasiyana zvikuru nemapurojekiti ekare eIGC, ayo aingosanganisira maIGV kusvika padanho rekutanga.
Mukudzokorora kwekare kweIGC, coefficient yevortex (kureva, kona yeIGV yechipiri yakakamurwa nekona yeIGV1 yekutanga) yakaramba yakafanana zvisinei nekuti kuyerera kwacho kwaive kumberi (angle > 0°, kuderedza musoro) kana kuti reverse vortex (angle < 0). °, kumanikidzwa kunowedzera). Izvi hazvina kunaka nekuti chiratidzo chekona chinoshanduka pakati pemavortices akanaka neasina kunaka.
Magadzirirwo matsva aya anobvumira kuti zviyero zviviri zvakasiyana zvevortex zvishandiswe kana muchina uri mumodhi yevortex yekumberi neyekumashure, nokudaro zvichiwedzera huwandu hwekudzora ne4% uku uchiramba uchishanda zvakanaka nguva dzose.
Nekushandisa LS diffuser ye impeller inowanzoshandiswa muBACs, kushanda zvakanaka kwezvikamu zvakawanda kunogona kuwedzerwa kusvika 89%. Izvi, pamwe chete nedzimwe nzira dzekuvandudza kushanda zvakanaka, zvinoderedza huwandu hwezvikamu zveBAC uku zvichichengetedza kushanda zvakanaka kwechitima chose. Kuderedza huwandu hwezvikamu kunobvisa kudiwa kweintercooler, mapombi egasi anobatanidzwa, uye zvikamu zve rotor ne stator, zvichikonzera kuchengetedza mari ye10%. Uyezve, muzviitiko zvakawanda zvinokwanisika kusanganisa main air compressor ne booster compressor mumuchina mumwe chete.
Sezvambotaurwa, giya repakati rinowanzo dikanwa pakati peturbine yemhepo neVAC. Nekugadzirwa kutsva kweIGC kubva kuSiemens Energy, giya iri remhepo rinogona kubatanidzwa mubhokisi remagiya nekuwedzera shaft yemhepo pakati pepinion shaft negiya guru (magiya mana). Izvi zvinogona kuderedza mutengo wemutsetse wese (compressor huru pamwe nemidziyo yekubatsira) kusvika ku4%.
Pamusoro pezvo, magiya e4-pinion inzira inoshanda zvakanyanya pane macompact scroll motors ekushandura kubva ku6-pole kuenda ku4-pole motors mumahombe air compressors (kana paine mukana wekubonderana kwevolute kana kana kumhanya kwepamusoro kunobvumirwa kwepinion kuchaderedzwa). ) yapfuura.
Kushandiswa kwavo kuri kuwedzerawo mumisika yakati wandei inokosha mukubvisa kabhoni mumaindasitiri, kusanganisira mapombi ekupisa uye kumanikidzwa kwemhepo, pamwe nekumanikidzwa kweCO2 mukutora, kushandisa uye kuchengetedza kabhoni (CCUS).
Siemens Energy ine nhoroondo refu yekugadzira nekushandisa maIGC. Sezvakaratidzwa neongororo nekuvandudzwa kwataurwa pamusoro apa (nezvimwe), takazvipira kuramba tichigadzira michina iyi kuti isangane nezvinodiwa zvekushandisa zvakasiyana uye kusangana nezvinodiwa zviri kukura pamusika kuti mitengo ideredze, kushanda zvakanaka uye kugara kwenguva refu. KT2