Liquid hydrogen ine zvimwe zvakanakira mukuchengetedza nekufambisa. Kuenzaniswa nehydrogen, mvura yehydrogen (LH2) ine density yepamusoro uye inoda yakaderera kumanikidzwa kuchengetedza. Zvisinei, haidrojeni inofanira kuva -253°C kuti ive mvura, zvinoreva kuti yakaoma. Kunyanya kudzikira tembiricha uye njodzi yekupisa inoita kuti mvura yehydrogen ive svikiro ine njodzi. Nokuda kwechikonzero ichi, matanho akasimba ekuchengetedza uye kuvimbika kwepamusoro hazvigadziriswi zvinodiwa pakugadzira mavharuvhu ezvikumbiro zvakakodzera.
NaFadila Khelfaoui, Frédéric Blanquet
Velan valve (Velan)
Kushandiswa kwemvura yehydrogen (LH2).
Parizvino, hydrogen yemvura inoshandiswa uye inoedza kushandiswa muzviitiko zvakasiyana zvakasiyana. Mumuchadenga, inogona kushandiswa semafuta ekumisikidza roketi uye zvakare inogona kuburitsa mafungu ekuvhundutsa mumatanho emhepo anotenderera. Inotsigirwa ne "hombe sainzi," yemvura haidrojeni yave chinhu chakakosha mu superconducting masisitimu, particle accelerators, uye nyukireya fusion zvishandiso. Sezvo chido chevanhu chebudiriro inoenderera chichikura, hydrogen yemvura yakashandiswa semafuta nemarori akawanda uye ngarava mumakore achangopfuura. Mumamiriro ekushandiswa kwepamusoro, kukosha kwemavharuvhu kuri pachena. Iyo yakachengeteka uye yakavimbika mashandiro emavharuvhu chikamu chakakosha cheiyo liquid hydrogen supply chain ecosystem (kugadzira, kutakura, kuchengetedza uye kugovera). Mashandiro ane chekuita nemvura yehydrogen anonetsa. Neanopfuura makore makumi matatu ehunyanzvi hwekuita uye hunyanzvi mumunda weakakwira-performance mavharuvhu kusvika -272 ° C, Velan ave achibatanidzwa mumapurojekiti akasiyana siyana kwenguva yakareba, uye zviri pachena kuti yakakunda matambudziko ehunyanzvi. liquid hydrogen sevhisi nesimba rayo.
Matambudziko muchikamu chekugadzira
Kudzvanywa, tembiricha uye hydrogen kusungwa zvese zvinhu zvikuru zvinoongororwa muvharuvhu dhizaini yengozi yekuongorora. Kuti uwedzere kushanda kwevharuvhu, dhizaini uye kusarudzwa kwezvinhu zvinotora basa rekuita. Mavharuvhu anoshandiswa mumvura yehydrogen application anotarisana nemamwe matambudziko, kusanganisira akashata ehydrogen pasimbi. Pakutonhora kwakanyanya, mavharuvhu haafanire kungomira kurwiswa kwemamorekuru ehydrogen (dzimwe nzira dzekudzikira dzichiri kukakavara muzvidzidzo), asi dzinofanirwa kuchengetedza kushanda kwakajairika kwenguva yakareba pamusoro pehupenyu hwavo. Panyaya yedanho razvino rekuvandudza tekinoroji, iyo indasitiri ine ruzivo rushoma rwekushandiswa kwezvinhu zvisiri zvesimbi mumashandisirwo ehydrogen. Paunosarudza chinhu chekuisa chisimbiso, zvinodikanwa kutora chinhu ichi. Kunyatsoisa chisimbiso zvakare chinhu chakakosha dhizaini yekuita. Pane mutsauko wetembiricha ungangoita 300°C pakati pemvura yehydrogen neambient tembiricha (tembiricha yekamuri), zvichikonzera tembiricha. Chimwe nechimwe chikamu chevhavha chichapinda madhigirii akasiyana-siyana ekuwedzera kwekupisa uye kuputika. Kusiyana uku kunogona kutungamira kune njodzi kuvuza kwenzvimbo dzakakosha dzekuisa chisimbiso. Iyo yekusimbisa chisimbiso chevhavha stem ndiyo inotarisisa yekugadzira. Shanduko kubva kunotonhora kuenda kunopisa inogadzira kupisa kuyerera. Zvikamu zvinopisa zvenzvimbo yebhoneti zvinogona kuomesa chando, izvo zvinogona kukanganisa kusevha kwe stem uye kukanganisa kushanda kwevharuvhu. Pamusoro pezvo, tembiricha yakadzika kwazvo ye -253 ° C inoreva kuti tekinoroji yakanakisa yekudzivirira inodiwa kuve nechokwadi chekuti vharuvhu inogona kuchengetedza mvura yehydrogen pane ino tembiricha ichideredza kurasikirwa kunokonzerwa nekufashaira. Chero bedzi paine kupisa kunotamisirwa kumvura yehydrogen, inobuda uye ichidonha. Kwete izvozvo chete, oxygen condensation inoitika panopwanyika yekuvharira. Kana okisijeni yasangana nehydrogen kana zvimwe zvinopisa, njodzi yemoto inowedzera. Naizvozvo, tichifunga nezvenjodzi yemoto ingatarisana nemavharuvhu, mavharuvhu anofanira kugadzirwa achifunga nezvezvinhu zvisingaputika, pamwe nemabatiro asingadziviri moto, mavharuvhu nematambo, zvese zvine zvitupa zvakanyanya. Izvi zvinovimbisa kuti vharafu inoshanda zvakanaka kana pakaitika moto. Kuwedzera kudzvinyirira zvakare injodzi inogona kuita kuti mavharuvhu asashande. Kana mvura yehydrogen yakavharirwa mugomba remuviri wevharuvhu uye kupisa kupisa uye mvura hydrogen evaporation ikaitika panguva imwe chete, zvinokonzeresa kuwedzera kwekumanikidza. Kana paine mutsauko mukuru wekumanikidza, cavitation (cavitation)/ruzha runoitika. Izvi zviitiko zvinogona kutungamirira kumagumo ekupedzisira ehupenyu hwebasa revhavha, uye kunyange kutambura kurasikirwa kukuru nekuda kwekuremara kwemaitiro. Pasinei nemamiriro ezvinhu chaiwo ekushanda, kana zvinhu zviri pamusoro apa zvinogona kunyatsotariswa uye zviyero zvinopindirana zvinogona kutorwa mukugadzirisa maitiro, zvinogona kuvimbisa kushanda kwakachengeteka uye kwakavimbika kwevhavha. Pamusoro pezvo, kune matambudziko ekugadzira ane chekuita nenyaya dzezvakatipoteredza, sekutiza kuvuza. Hydrogen yakasarudzika: mamorekuru madiki, asina ruvara, asina kunhuhwirira, uye anoputika. Aya maitiro anosarudza kudiwa kwakakwana kwe zero leakage.
KuNorth Las Vegas West Coast Hydrogen Liquefaction station,
Wieland Valve mainjiniya ari kupa hunyanzvi masevhisi
Mavharuvhu mhinduro
Pasinei nebasa chairo uye mhando, mavharuvhu ezvese mvura haidhirojeni maapplication anofanira kusangana nezvimwe zvinozivikanwa zvinodiwa. Izvi zvinodikanwa zvinosanganisira: zvinhu zvechikamu chechimiro chinofanirwa kuve nechokwadi chekuti kutendeseka kwechimiro kunochengetedzwa pakupisa kwakanyanya kwakadzika; Zvese zvinhu zvinofanirwa kunge zvine hunhu hwekuchengetedza moto. Nechikonzero chimwe chete ichocho, zvinhu zvekuisa chisimbiso uye kurongedzerwa kwemvura yehydrogen mavharuvhu zvinofanirwa kusangana nezvinodiwa zvakataurwa pamusoro apa. Austenitic Stainless simbi chinhu chakanakira liquid hydrogen mavharuvhu. Iyo ine yakanakisa simba rekuita, kushoma kurasikirwa kwekupisa, uye inogona kumira hombe tembiricha gradients. Kune zvimwe zvinhu zvakakodzerwawo nemvura yehydrogen mamiriro, asi anogumira kune chaiwo maitiro emamiriro. Pamusoro pekusarudzwa kwezvinhu, mamwe magadzirirwo ekugadzira haafanire kufuratirwa, sekuwedzera tsinde yevharuvhu uye kushandisa mbiru yemhepo kuchengetedza chisimbiso kurongedza kubva kune yakaderera tembiricha. Mukuwedzera, kuwedzerwa kwevhavha yevhavha inogona kuve yakashongedzerwa nemhete yekudzivirira kudzivirira condensation. Kugadzira mavharuvhu zvinoenderana nemamiriro ekushandisa kunobatsira kupa mhinduro dzinonzwisisika kune akasiyana hunyanzvi matambudziko. Vellan inopa butterfly mavharuvhu mumhando mbiri dzakasiyana: mbiri eccentric uye katatu eccentric simbi chigaro butterfly mavharuvhu. Magadzirirwo ese ari maviri ane bidirectional kuyerera kugona. Nekugadzira iyo disc chimiro uye kutenderera trajectory, chisimbiso chakasimba chinogona kuwanikwa. Ikoko hakuna mhango mumuviri wevharuvhu uko pasina kusara kwepakati. Panyaya yeVelan yakapetwa kaviri eccentric butterfly valve, inotora disc eccentric rotation dhizaini, yakasanganiswa neyakasarudzika VELFLEX sealing system, kuti iwane yakanakisa kuvhara vharafu kuita. Iyi dhizaini ine patent inogona kumira kunyangwe kuchinja kukuru kwekushisa muvharuvhu. Iyo TORQSEAL katatu eccentric disc zvakare ine yakanyatsogadzirirwa kutenderera trajectory inobatsira kuve nechokwadi chekuti disc sealing surface inongobata chigaro panguva yekusvika yakavharwa valve chinzvimbo uye haikwenye. Nokudaro, torque yekuvhara yevhavha inogona kutyaira disc kuti iwane zvigaro zvinopindirana, uye ibudise zvakakwana wedge effect munzvimbo yakavharwa yevhavha, ichiita kuti diski ibatane zvakaenzana neyese denderedzwa yechigaro chekuvhara chigaro. Kuteerera kwechigaro chevhavha kunobvumira muviri wevhavha uye disc kuti ive ne "self-adjusting" basa, nokudaro kudzivisa kubatwa kwe disc panguva yekuchinja kwekushisa. Iyo yakasimbiswa Stainless simbi yevhavha shaft inokwanisa kutenderera yakakwira yekushanda uye inoshanda zvakanaka pakudziya kwakadzikira. Iyo VELFLEX yakapetwa kaviri eccentric dhizaini inobvumira valve kuti ishandiswe online nekukurumidza uye nyore. Kutenda kune imba yeparutivi, chigaro uye disc zvinogona kuongororwa kana kusevhiswa zvakananga, pasina chikonzero chekuparadzanisa actuator kana maturusi akakosha.
Tianjin Tanggu Mvura-Chisimbiso Valve Co., Ltdvari kutsigira zvikuru-yepamusoro michina resilient akagara mavharuvhu, kusanganisira resilient akagarawafer butterfly valve, Lug butterfly valve, Double flange concentric butterfly valve, Double flange eccentric butterfly valve,Y-strainer, bancing valve,Wafer dual plate check valve, nezvimwewo.
Nguva yekutumira: Aug-11-2023
