Hydrogen yemvura ine zvakanakira pakuchengetwa nekufambisa. Kana ichienzaniswa nehydrogen, hydrogen yemvura (LH2) ine density yakakura uye inoda kumanikidzwa kwakaderera pakuchengetwa. Zvisinei, hydrogen inofanira kunge iri -253°C kuti ive mvura, zvinoreva kuti zvakaoma. Kupisa kwakaderera zvakanyanya uye njodzi dzekubvira moto zvinoita kuti hydrogen yemvura ive chinhu chine njodzi. Nekuda kweizvi, matanho akasimba ekuchengetedza uye kuvimbika kwakanyanya zvinodiwa zvisingachinji pakugadzira mavharuvhu ekushandisa zvakakodzera.
NaFadila Khelfaoui, Frédéric Blanquet
Vharuvhu yeVelan (Velan)
Kushandiswa kwehydrogen yemvura (LH2).
Parizvino, hydrogen yemvura inoshandiswa uye inoedzwa kushandiswa muzviitiko zvakasiyana-siyana zvakakosha. Mundege, inogona kushandiswa semafuta ekuburitsa roketi uye inogonawo kugadzira mafungu ekuvhunduka mumatune emhepo anotenderera. Ichitsigirwa ne "sainzi hombe," hydrogen yemvura yave chinhu chakakosha mu superconducting systems, particle accelerators, uye nuclear fusion devices. Sezvo chishuwo chevanhu chebudiriro inoenderera mberi chichikura, hydrogen yemvura yave ichishandiswa semafuta nemarori akawanda nezvikepe mumakore achangopfuura. Muzviitiko zvekushandiswa zvataurwa pamusoro apa, kukosha kwemavharuvhu kuri pachena. Kushanda kwakachengeteka uye kwakavimbika kwemavharuvhu chikamu chakakosha che liquid hydrogen supply chain ecosystem (kugadzira, kutakura, kuchengetedza uye kugovera). Mabasa ane chekuita ne liquid hydrogen akaoma. Nemakore anopfuura makumi matatu eruzivo rwekushanda uye hunyanzvi mumunda wemavharuvhu anoshanda zvakanyanya kusvika -272°C, Velan yave ichibatanidzwa mumapurojekiti akasiyana-siyana matsva kwenguva yakareba, uye zviri pachena kuti yakakunda matambudziko ehunyanzvi e liquid hydrogen service nesimba rayo.
Matambudziko muchikamu chekugadzira
Kumanikidzwa, tembiricha uye huwandu hwehydrogen zvese zvinhu zvikuru zvinoongororwa mukuongorora njodzi yekugadzira mavharuvhu. Kuti zviite kuti mavharuvhu ashande zvakanaka, dhizaini uye kusarudzwa kwezvinhu zvinotamba basa guru. Mavharuvhu anoshandiswa mukushandiswa kwehydrogen yemvura anotarisana nematambudziko akawedzerwa, kusanganisira mhedzisiro yakaipa yehydrogen pasimbi. Pakupisa kwakaderera kwazvo, zvinhu zvevharuvhu hazvifanirwe kungotsungirira kurwiswa kwemamorekuru ehydrogen (mamwe maitiro ekuora anobatanidzwa achiri kukakavadzana muzvidzidzo), asi anofanirawo kuchengetedza kushanda kwakajairika kwenguva yakareba muhupenyu hwawo. Nezvedanho razvino rekuvandudzwa kwetekinoroji, indasitiri iyi ine ruzivo rushoma rwekushandiswa kwezvinhu zvisiri zvesimbi mukushandiswa kwehydrogen. Pakusarudza zvinhu zvekuvhara, zvakakosha kufunga nezvechinhu ichi. Kuvhara zvinobudirira zvakare chiyero chakakosha chekugadzira. Pane musiyano wetembiricha weinenge 300°C pakati pehydrogen yemvura netembiricha yemhepo (tembiricha yemukamuri), zvichikonzera gradient yetembiricha. Chikamu chimwe nechimwe chevharuvhu chichapfuura mwero wakasiyana wekuwedzera kwekupisa uye kudzikira. Kusiyana uku kunogona kutungamira mukubuda kwengozi kwenzvimbo dzakakosha dzekuvhara. Kusimba kwesimbi yevharuvhu ndiko kunonyanya kutariswa nedhizaini. Kuchinja kubva kuchando kuenda kunopisa kunogadzira kuyerera kwekupisa. Zvikamu zvinopisa zvenzvimbo ine bhoneti zvinogona kuoma nechando, izvo zvinogona kukanganisa mashandiro ekuvhara tsinde uye kukanganisa mashandiro evharuvhu. Pamusoro pezvo, tembiricha yakaderera zvikuru ye -253°C zvinoreva kuti tekinoroji yepamusoro yekudzivirira inodiwa kuti ive nechokwadi chekuti vharuvhu inogona kuchengetedza hydrogen yemvura patembiricha iyi uku ichideredza kurasikirwa kunokonzerwa nekufashaira. Chero bedzi paine kupisa kunoendeswa kuhydrogen yemvura, ichapwanyika uye inodonha. Kwete izvozvo chete, kunyorova kweokisijeni kunoitika panzvimbo yekupwanyika kwekudzivirira. Kana okisijeni yangosangana nehydrogen kana zvimwe zvinobvira, njodzi yemoto inowedzera. Naizvozvo, tichifunga nezvenjodzi yemoto iyo mavharuvhu angatarisana nayo, mavharuvhu anofanirwa kugadzirwa achifunga nezvezvinhu zvisingaputike, pamwe nema actuator anodzivirira moto, zvishandiso uye tambo, zvese nemagwaro akasimba. Izvi zvinoita kuti vharuvhu ishande nemazvo kana pakaitika moto. Kuwedzera kwekumanikidzwa zvakare njodzi inogona kuita kuti mavharuvhu asashande. Kana hydrogen yemvura yakavharirwa mugomba revharuvhu uye kutamiswa kwekupisa uye kupwanyika kwehydrogen yemvura panguva imwe chete, zvichaita kuti kumanikidzwa kuwedzere. Kana paine musiyano mukuru wekumanikidzwa, cavitation (cavitation)/ruzha runoitika. Izvi zvinogona kutungamira kumagumo ehupenyu hwevharuvhu isati yasvika, uye kutorasikirwa zvikuru nekuda kwezvikanganiso zvemaitiro. Pasinei nemamiriro chaiwo ekushanda, kana zvinhu zviri pamusoro apa zvikagona kufungwa zvizere uye matanho anoenderana anogona kutorwa mukugadzirwa, zvinogona kuve nechokwadi chekushanda kwakachengeteka uye kwakavimbika kwevharuvhu. Pamusoro pezvo, kune matambudziko ekugadzira ane chekuita nematambudziko ezvakatipoteredza, akadai sekubuda kwemvura. Hydrogen yakasiyana: mamorekuru madiki, haana ruvara, haana hwema, uye anoputika. Hunhu uhu hunoratidza kudiwa kwekusava nekubuda kwemvura.
Pachiteshi cheNorth Las Vegas West Coast Hydrogen Liquefaction,
Mainjiniya eWieland Valve ari kupa mabasa ehunyanzvi
Mhinduro dzevharuvhu
Pasinei nebasa rayo uye rudzi rwayo, mavharuvhu ekushandisa hydrogen yemvura anofanira kusangana nezvimwe zvinodiwa zvakafanana. Izvi zvinosanganisira: zvinhu zvechikamu chechimiro zvinofanira kuve nechokwadi chekuti kusimba kwechimiro kunochengetwa pakupisa kwakaderera zvakanyanya; Zvinhu zvese zvinofanira kunge zvine hunhu hwekuchengetedza moto. Nechikonzero chimwe chete, zvinhu zvekuvhara uye kurongedza mavharuvhu ehydrogen yemvura zvinofanirawo kusangana nezvinodiwa zvataurwa pamusoro apa. Simbi isina tsvina yeAustenitic chinhu chakanakira mavharuvhu ehydrogen yemvura. Ine simba rakanaka kwazvo rekubata, kurasikirwa nekupisa kushoma, uye inogona kutsungirira kupisa kwakanyanya. Kune zvimwe zvinhu zvakakodzerawo mamiriro ehydrogen yemvura, asi zvinogumira kune mamiriro chaiwo ekuita. Pamusoro pekusarudza zvinhu, mamwe magadzirirwo haafanirwe kufuratirwa, akadai sekuwedzera tsinde yevharuvhu uye kushandisa koramu yemhepo kuchengetedza kurongedza kwekuvhara kubva pakupisa kwakaderera zvakanyanya. Pamusoro pezvo, kuwedzerwa kwetsinde yevharuvhu kunogona kushongedzwa nerin'i yekudzivirira kudzika kwemvura kudzivirira kudonha kwemvura. Kugadzira mavharuvhu zvichienderana nemamiriro chaiwo ekushandisa kunobatsira kupa mhinduro dzakaringana kumatambudziko akasiyana ehunyanzvi. Vellan inopa mavharuvhu emabhuruvhu mumagadzirirwo maviri akasiyana: mavharuvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu emabhuruvhu. Magadzirirwo ese ari maviri ane kugona kwekuyerera kwenzira mbiri. Nekugadzira chimiro chedhisiki uye nzira yekutenderera, chisimbiso chakasimba chinogona kuwanikwa. Hapana kaburi mumuviri wevharuvhu uko kusina nzvimbo yakasara. Kana iri vharuvhu yebhuruvhu ine eccentric double Velan, inoshandisa dhizaini yekutenderera yedhisiki, pamwe chete nesystem yeVELFLEX sealing, kuti iite zvakanaka kwazvo. Dhizaini iyi ine patent inogona kutsungirira kunyange kuchinja kukuru kwekushisa muvharuvhu. TORQSEAL triple eccentric disc inewo nzira yekutenderera yakagadzirwa zvakanaka inobatsira kuona kuti nzvimbo yekuvharuvhu inongobata chigaro panguva yekusvika panzvimbo yevharuvhu yakavharwa uye haikwenye. Nokudaro, torque yekuvharuvhu inogona kufambisa dhisiki kuti iwane zvigaro zvinoenderana, uye kugadzira wedge effect yakakwana munzvimbo yevharuvhu yakavharwa, uku ichiita kuti dhisiki ibate zvakaenzana nedenderedzwa rese renzvimbo yekuvharuvhu. Kuenderana kwechigaro chevharuvhu kunobvumira muviri wevharuvhu nedhisiki kuti zvive nebasa re "kuzvigadzirisa", nokudaro zvichidzivirira kubata dhisiki panguva yekuchinja kwekushisa. Shaft yevharuvhu yesimbi isina kusimba yakasimba inokwanisa kushanda zvakanaka uye inoshanda zvakanaka pakupisa kwakaderera kwazvo. Dhizaini yeVELFLEX ine eccentric mbiri inobvumira kuti vharuvhu igadziriswe online nekukurumidza uye zviri nyore. Nekuda kwehomwe yepadivi, chigaro nedhisiki zvinogona kuongororwa kana kugadziriswa zvakananga, pasina chikonzero chekuparadzanisa actuator kana maturusi akakosha.
Tianjin Tanggu Mvura-Chisimbiso Valve Co., Ltdvari kutsigira mavharuvhu ekugara akasimba ane tekinoroji yepamusoro-soro, kusanganisira anogara akasimbavharuvhu yeshavishavi yakatetepa, Vharuvhu yeshavishavi yeLug, Vharuvhu yeshavishavi ine flange mbiri, Vharuvhu yeshavishavi ine flange mbiri,Y-strainer, vharuvhu yekuyera,Wafer mbiri ndiro cheki vharuvhu, nezvimwewo.
Nguva yekutumira: Nyamavhuvhu-11-2023
