Tekinoroji yeTanker Inochengetedza Ruzivo Rwezvakatipoteredza
Indasitiri yekutakura zvinhu ine basa guru mukutengeserana kwepasi rose. Matangi emvura anotakura chikamu chikuru chezvinhu zvesimba nezvinhu zvekugadzira—kubva kumafuta asina kucheneswa uye zvinobva mumafuta epetroleum kusvika kumakemikari emvura. Zvisinei, pasinei nekushanda zvakanaka kwawo, matangi anobatsirawo mukuburitswa kwemagasi ekupisa, kusvibiswa kwemhepo, njodzi yekudururwa kwemafuta, uye kusvibiswa kwegungwa kubva mumarara ekushanda. Nekuda kweizvozvo, kudiwa kwetekinoroji yetangi remvura isina njodzi kune zvakatipoteredza kuri kukura, zvichikonzerwa nemitemo yepasi rose uye ruzivo rweveruzhinji rwuri kukura. Mumakore achangopfuura, zvinhu zvitsva zvakasiyana-siyana zvakabuda kuti mashandiro ematangi ave akachena, akachengeteka, uye ashandise simba zvakanaka.
Zvinangwa zveKumanikidza uye Kubvisa Kabhoni Mukati meMutemo
Shanduko dzetekinoroji mubazi rematangi dzakabatana zvikuru nekuvandudzwa kwemitemo. Sangano reInternational Maritime Organization (IMO) riri kukurudzira kudzikiswa kweutsi hunobuda mumhepo kuburikidza nezvishandiso zvakasiyana-siyana, zvakaita semiganho yefuel salfa (IMO 2020) uye hurongwa hwekushandisa simba zvakanaka kwengarava itsva nedziripo. Uyezve, zviteshi zvakawanda nenyika dziri kushandisa mitemo yakaoma yekuburitsa utsi hunobuda mumhepo, kusanganisira zvinokurudzira ngarava dzine ma index ekushanda zvakanaka.
Kumanikidzwa uku kwemitemo kuri kuita kuti varidzi vezvikepe nemakambani ezvikepe vashandise matekinoroji asingangotevedzere mitemo chete asiwo anoderedza mari yekushandisa kuburikidza nekuchengetedza mafuta. Apa ndipo panoenderana nepfungwa yekuti "green" nezvido zvebhizinesi: ngarava dzinoshanda zvakanaka zvinoreva kushandiswa kwemafuta mashoma, kusvibiswa kwemhepo kushoma, uye mari yekutumira inokwanisika.
Dhizaini yeHull Inoshanda Zvakanyanya uye Hydrodynamics
Imwe yematanho akakosha ekuita kuti matangi ave akasvibira ndeyekuvandudza mashandiro emvura. Zvinhu zvitsva zvakawanda zvinotarisa pakugadzira hull kuderedza kudhonzwa. Kugadzirisa maumbirwo euta neshure, kushandisa uta hwakanyatsokodzera kumhanya kwakapihwa, uye kugadzirisa rwizi rwengarava kunogona kuderedza zvakanyanya kushandiswa kwesimba.
Kupfuura dhizaini, kunewo machira matsva ekugadzira ngarava anoderedza kukura kwezvisikwa zvemugungwa (biofouling). Biofouling inokanganisika pamusoro pengarava, ichiwedzera kudhonzwa uye inowedzera kushandiswa kwemafuta. Machira epamusoro-soro—kusanganisira matekinoroji akavakirwa pasilicone kana foul-release—anogona kuchengetedza nzvimbo yakapfava uye kuderedza kudiwa kwekucheneswa, nokudaro zvichideredza kukanganisa kwekuchengetedza nharaunda.
Kugadzira Zvishandiso Zvekufambisa: MaPropeller Emazuva Ano uye Masisitimu Ekufambisa
Kushanda zvakanaka kwekufambisa kunovandudzwawo kuburikidza nemagadzirirwo epropeller akaomarara, akadai sepropellers ane makona eblade uye profiles dzakagadziriswa, uye zvinowedzerwa zvakaita semaducts kana mafins zvinoderedza kurasikirwa kwesimba nekuda kwe eddies. Mamwe matangi emazuva ano anoshandisa masisitimu ekudzoreredza simba kubva mukuyerera kuri kumashure kwepropeller kuti avandudze kushanda zvakanaka.
Uyezve, kushandiswa kwesimba remagetsi rehybrid kuri kuwedzera, kunyanya pamidziyo inowanzo shanda nekumhanya kwakasiyana-siyana uye inoda kushanda zvakanaka pamitoro isina kukwana. Masisitimu ehybrid anobvumira injini kushanda padanho rayo rakanaka, nepo bhatiri richibatsira panguva yekufambisa, kushanda kwechiteshi, kana nguva yekuremerwa zvakanyanya. Kunyange hazvo kuchengetedza bhatiri rakazara parwendo rurefu kuchiri kuoma, michina yehybrid inotove nekuderedza kuburitswa kwemhepo uye ruzha.
Mafuta Anoshandiswa: Kubva kuLNG kuenda kuMethanol neAmmonia
Dambudziko guru rine matangi imhepo inobuda mumafuta efossil. Nokudaro, kuchinja kune mamwe mafuta ndeimwe yenzira dzekushandisa tekinoroji isingakuvadzi nharaunda.
1. LNG (Liquefied Natural Gas): Kushandiswa kweLNG kunogona kuderedza kuburitswa kwesulfur oxide kusvika pazero uye kuderedza nitrogen oxides netrium matter. Zvisinei, dambudziko riripo ndere mukana wekutsvedza kwemethane (methane leakage), iyo inofanirwa kudzorwa nehunyanzvi hwakakodzera hweinjini uye masisitimu ekubata gasi.
2. Methanol: Methanol iri kuwana mukurumbira nekuti iri nyore kubata kana ichienzaniswa neLNG uye inogona kugadzirwa kubva kuzvinhu zvine kabhoni shoma (semuenzaniso, methanol yegirini kubva kuhydrogen yegirini uye CO₂ yakatorwa). Kushandura mainjini kuita methanol kunoonekwawo sekuri nyore kune mamwe magadzirirwo.
3. Amonia: Amonia ine mukana wekuva mafuta asina kabhoni (haiburitse CO₂ kana yapiswa), asi ine matambudziko makuru ekuchengetedza nekuda kwehunhu hwayo hwechepfu, pamwe nenyaya yeutsi hweNOx hunofanira kugadziriswa.
4. Mafuta eBiofuels nemafuta anodonhedzwa: Mafuta eBiodiesel kana mamwe mafuta anobva kubiomass anogona kuva mhinduro yekuchinja nekuti anogona kushandiswa mumainjini aripo asina shanduko diki, zvichienderana nezvinodiwa uye mhando yemafuta.
Kazhinji, nzira chaiyo ndeyekushandisa injini dzemafuta akawanda kuti ngarava dzikwanise kuchinja zvichienderana nekuwanikwa kwemafuta ane kabhoni shoma pazviteshi zvakasiyana-siyana.
Masisitimu Ekurapa Kubuda Kwemhepo: Scrubbers uye NOx Control
Kune matangi achiri kushandisa mafuta enguva dzose, tekinoroji yekudzora utsi inoramba yakakosha. Ma "scrubber" anoshandiswa kuderedza kuburitswa kwe "sulphur oxide" kubva kumagasi eutsi. Kune masisitimu e "open-loop", "closed-loop", uye "hybrid scrubber". Zvisinei, sarudzo ye "scrubber" ine gakava nekuti mamwe matunhu anorambidza kuburitswa kwemvura ye "scrubber" mugungwa. Nokudaro, maitiro e "low-sulfur" kana "alternative fuels" ari kuwedzera.
Zvichakadaro, kudzora NOx kunogona kuitwa uchishandisa matekinoroji akadai seSelective Catalytic Reduction (SCR) kana Exhaust Gas Recirculation (EGR). Kuisa masisitimu aya kunobatsira ngarava kusangana nezvinodiwa zvemugasi wemhepo munzvimbo dzakasiyana uye kunatsiridza mhando yemhepo, kunyanya kana dzichishanda pedyo nenzvimbo dzegungwa nezviteshi zvegungwa.
Kushanda Nesimba Rinoshanda: Kugadzirisa Mashandisirwo Emagetsi uye Kutarisira Nzira
Tekinoroji yezvakatipoteredza inoenderera mberi kupfuura midziyo yemagetsi kusvika pakushanda kwengarava. Kushandiswa kwedhijitari mumatangi emota kuri kufambira mberi nekukurumidza kuburikidza nemasensa, masisitimu ekutarisa kushandiswa kwemafuta, kuongorora mashandiro ehull, uye kugadzirisa nzira zvichibva pamamiriro ekunze uye mafungu egungwa. Nekugadzirisa rwendo, ngarava dzinogona kusarudza nzira nekumhanya kunoderedza kushandiswa kwemafuta uku dzichichengetedza hurongwa hwekutakura.
Pfungwa yekusvuta nemhepo zvishoma nezvishoma—kuderedza kumhanya kwechikepe kusvika pakuderedza kushandiswa kwemafuta—ipfungwa inoshandiswa kakawanda. Kunyangwe kudzikiswa kudiki kwekumhanya kunogona kuchengetedza mafuta zvakanyanya, sezvo simba rekufambisa richikwira zvishoma nezvishoma nekumhanya.
Pamusoro pezvo, manejimendi esimba aripo anosanganisira kushandisa michina inochengetedza simba, manejimendi akangwara ekutakura zvinhu kubva mujenareta, uye kushandisa nzira yekudzoreredza kupisa kubva mumarara kushandura kupisa kwemuchina kuita simba rekuwedzera, semuenzaniso pakugadzira magetsi kana kudziyisa masisitimu.
Kutarisira Marara uye Kudzivirira Kusvibiswa Kwemvura
Matangi ane njodzi dzakasiyana dzekusvibiswa. Saka, tekinoroji isingakuvadzi nharaunda zvinorevawo kuwedzera dziviriro yegungwa kuburikidza nekudzivirira kudonha kwemvura uye kurapwa kwemarara.
Matangi emazuva ano anowanzo shandisa dhizaini ine hull mbiri kuderedza njodzi yekudonha kwemvura kana paine tsaona kana pasi. Uyezve, masisitimu ekutarisa matangi, mavharuvhu otomatiki, uye nzira dzekuchengetedza dzinoshandisa masensa zvinoderedza mukana wekuti vanhu vakanganise.
Pamarara anoshanda, tekinoroji yekurapa mvura ye ballast iripo kudzivirira kutapurirana kwezvipembenene zvinopinda munzvimbo dzakasiyana. Sisitimu iyi yekurapa inoshandisa kusefa, UV, kana nzira dzemakemikari dzakatarwa zvichienderana nezvinodiwa pasi rose. Panguva iyi, kurapwa kwemvura yakasviba yemumba uye manejimendi emarara akaomarara zviri kuramba zvichiwedzera kuoma, zvichiita kuti ngarava dzisave manyuko enguva refu ekusvibiswa mugungwa.
Rutsigiro rweSimba Rinodzokororwa: Maseiri emazuva ano neRubatsiro rweMhepo
Kunyangwe matangi emota achinzi mainjini makuru, hunyanzvi hwesimba rinogona kudzokororwa huri kutanga kupinda munjodzi kuburikidza nekufambisa nemhepo. Matekinoroji akadai semaseiri erotor (masirinda anotenderera), maseiri akaomarara, kana makite makuru anodhonzwa kubva paboo anogona kuderedza kushandiswa kwemafuta mune mamwe mamiriro emhepo. Panzira dzakakodzera, kuchengetedza mari kunogona kuve kwakakosha, kunyanya kana zvakabatana nekugadzirisa nzira uye kumhanya.
Tekinoroji iyi haitsivi injini huru, asi inoshanda semudziyo wekubatsira unoderedza mutoro weinjini uye utsi hwese.
Matambudziko Ekuita Basa: Mutengo, Zvivakwa, uye Kuchengetedzeka
Pasinei nekufambira mberi kwetekinoroji, kushandiswa kwematangi asingakuvadzi nharaunda kunosangana nematambudziko akati wandei. Chekutanga, mari yekudyara: mainjini emafuta akawanda, masisitimu ekuchengetera LNG, uye michina yekudzora utsi inoda mari yakawanda. Chechipiri, kuwanikwa kwezvimwe zvinhu zvemafuta kuchiri kushoma uye kunosiyana zvichienderana nechiteshi, zvichida kuti varidzi vezvikepe vanyatsofunga nezve network dzavo dzekugovera.
Chechitatu ndechekuchengetedza. Mafuta akadai seLNG, methanol, kana ammonia anoda nzira itsva nekudzidziswa, pamwe chete nekuona kudonha kwemvura uye masisitimu ekufema. Saka, shanduko yegreen pamatangi emvura inofanirwa kuperekedzwa nekusimbisa kugona kwevashandi pamwe netsika yekuchengetedza yakarongeka.
Remangwana reMatangi Asingakuvadzi Zvisikwa
Kuenderera mberi, tekinoroji yematangi asingakuvadzi nharaunda ingangosanganisira nzira dzakawanda: dhizaini inoshanda ye hydrodynamic, kushandisa digitalization, kushandiswa kwemafuta ane kabhoni shoma, uye masisitimu ekuchengetedza uye ekugadzirisa marara epamusoro. Uyezve, tsvakiridzo yekubata kabhoni iri mungarava iri kutangawo kukurukurwa senzira yekuderedza kuburitswa kweCO₂ pangarava dzine mafuta ekare uku shanduko yesimba isati yatanga zvizere.
Pakupedzisira, ngarava dzinotakura mafuta dzinogara kwenguva refu hadzisi dzekungotevedzera mitemo chete, asi ndedzekuchengetedza kuchengetedzeka kwekutakura zvinhu mugungwa senzira yekutengeserana kwepasi rose. Nekusanganiswa kwehunyanzvi hwetekinoroji, mari yakakodzera, uye kushanda pamwe chete mumaindasitiri akasiyana-siyana—kubva kuvagadziri vemafuta kusvika kune vanoshanda pachiteshi—ngarava dzinotakura mafuta dzinogona kuenda kunguva yakachena uye ine mutoro kune zvakatipoteredza.
