Valve mi hydrogen ma pii kud i wang tic

Hydrogen ma pii utiye ku bero moko i gwoko man tero. Ka juporo ku hydrogen, hydrogen ma pii (LH2) utiye ku pek ma lee man mitu kero manok pi gwoko. Ento, hydrogen umitu obed -253°C mi doko pii, ma nyutho nya ebedo tek. Lieth ma piny man lworo mi wang timo hydrogen ma pii ni piny ma rac. Pi the lembe eni, cik mi gwoko kwo man gen ma malu utiye piny ma pire tek ungo ka juyubu valves pi tic ma mitire.

Ku Fadila Khelfaoui, Frédéric Blanquet

Velan valve (Velan)

Tic ku hydrogen ma pii (LH2).

I kare eni, hydrogen ma pii tiyu kudu man jutemo ni tiyo kudu i yik matung tung. I aerospace, ecopu tiyo kudu calu moo mi cwalu roket man ecopu nyayu yamo ma tek i transonic wind tunnels. Ku kony pa "ngec madit," liquid hydrogen udoko piny ma pire tek i superconducting systems, particle accelerators, man nuclear fusion devices. Calu mitu pa dhanu pi dongo ngom ma rii pi kare malac ube medere, hydrogen ma pii pii jubedu katiyo kudu calu moo pa mutukari madwong man yei i oro ma ukadhu. I lembe maeni malu, beru pa valves nen kamaleng. Tic maber man ma gen pa valves ubedo piny mapire tek i dul pa pii ma pii pii (yubu, tero, kano man poko). Tic ma mako hydrogen ma pii utiye matek. Ku oro ma kadhu 30 mi ngec man diru mi tic ku valve ma tiyo maber ma romo -272°C, Velan ubedo ikind yub matung tung mi yubu piny manyen pi kare malac, man nen kele niya edaru loyo peko mi tic mi liquid hydrogen ku tego pare.

Peko i kare mi yubu piny

Peko, lyethu man dwong pa hydrogen gi zo gi piny madongo ma jutimo i valve design assessment. Pi ni ketho tic pa valve ubed maber, yub man yero piny ma jutiyo kudu timo tic ma pire tek. Valves ma jutiyo kudu pi tiyo ku hydrogen ma pii romo ku peko mange, ikinde utiye adwogi marac pa hydrogen ikum cuma. I lyethu ma piny, jam tic mi valve umaku ucung matek ikum lwiny pa hydrogen molecules (moko pa yore mi nyothre podi juweco ikumgi i somo), ento umitu de ubed ku tic maber pi kare malac pi kwo migi. Nimakere ku dongo pa ngec ma kawoni, ju ma timo tic eni gitiye ku ngec manok ikum tic pa piny ma epe ku cuma i tic pa hydrogen. Ka ibe yero piny mi umu piny, ber ni ketho lembe eni i iye. Sealing maber de ubedo piny mapire tek pi tic pa design. Tye tung tung mi lyethu ma romo 300°C ikind hydrogen ma pii man lyethu mi kabedo (lyet mi ot), ma kelo lyethu ma rwinyo. Jam acel acel mi valve bi kadhu kud i rwom matung tung mi nyai man nyai pa lyethu. Tung tung eni copo telu pii ma rac pa piny ma pire tek. Kite ma valve stem ucungo kudu ubedo piny ma pire tek i yub ne. Lokruok kud i ngico ni piny ma lyet kelo lyethu. Kabedo ma lyethu pa bonnet cavity copo doko ngic, ma copo nyayu peko i tic pa stem sealing man nyayu peko i tic pa valve. Mi medo, lyethu ma piny pa -253°C nyutho nya diro mi gwoko piny maber uloyu mitere ni neno ni valve copo gwoko pii ma pii i lyethu eni man jwigo piny ma rac ma wok kud i lyethu. Tek lyethu utiye ma wok i hydrogen ma pii, ecopu lyel man ecopu mol. Eni kende ngo, oxygen condensation timere ikare ma insulation utur. Ka oxygen utuc ku hydrogen nyo piny mukende ma wang, peko mi mac medre. Pieno, ka waparu pi peko mi mac ma valves copo wok kudu, valves umaku juyike ku piny ma copo wango ngo, karacelu ku jam tic ma mako mac, jam tic man waya, zo ku certificate ma tek. Eni ketho valve timo tic maber ka mac ucaku wang. Medu pa tegu ubedo bende peko ma copo ketho valves doko tic ungo. Ka hydrogen ma pii ucungo i vur pa valve man lyethu man hydrogen ma pii wok i sawa acel, ebi medo rwom pa pressure. Ka tung tung madit utiye, cavitation (cavitation)/noise timere. Lembe eni copo telu ikum thum pa kwo pa valve, man copo bedu ku peko madit pi peko mi tic. Labongo paro pi kit tic moko, ka lembe ma malu eca jucopo ketho i tic man jucopo timo lembe ma rom ku meno i yub mi yubu, ecopu ketho tic maber man ma gen pa valve. Mi medo, tiye peko mi yubu piny ma mako lembe mi kabedu, calu fugitive leakage. Hydrogen utiye piny ma ukoc: molecules ma nok, ma rangi ope, ma nguc ope, man ma nyai. Kite eni nyuthu beru pa zero leakage.

I North Las Vegas West Coast Hydrogen Liquefaction station,

Jurudiro pa Wieland Valve gibe mio kony mi tic

Valve solutions

Labongo paro pi tic man kit tic moko cii, valves pi tic mi liquid hydrogen ucikere ni rombu ku piny moko ma juyenyo. Lembe ma mitere uketho i iye: piny ma jutiyo kudu pi gedo ucikere ni neno nia gedo ne utiye maber akeca i lyethu ma piny akeca; Jam tic ceke umaku obed ku piny ma gwoko mac. Pi the lembe marom, piny ma juku man ma juketho i valve mi hydrogen ma pii ucikere ni rombu ku piny ma jukwanu malu. Austenitic stainless steel ubedo piny maber pi valve mi hydrogen. Etiye ku tego maber mi goyo, lyethu manok, man ecopu ciro lyethu madit. Piny mukende utiye ma ber pi hydrogen ma pii, ento tiye pi tic moko kende. Mi medo ikum yero piny ma jutiyo kudu, lembe moko ma juyubu ucikere ngo ni weko, calu ve medo valve stem man tic ku air column pi gwoko sealing packing kud i lyethu ma piny. Mi medo, medo pa valve stem copo bedu ku ring mi juku pii kud i pii. Yubu valves nimakere ku lembe moko ma jutiyo kudu konyo ni mio adwogi maber ikum peko matung tung. Vellan mio butterfly valves i kit aryo matung tung: double eccentric man triple eccentric metal seat butterfly valves. Designs ario zoo gitiye ku kero mi mol pa pii. Ka juyubu kit pa disc man kite ma ewotho kudu, jucopo nwangu rwom ma tek. Kabedo moko mbe i kum valve kama piny moko mbe ma udong. I lembe pa Velan double eccentric butterfly valve, etiyo ku disc eccentric rotation design, man VELFLEX sealing system, mi nwangu valve sealing maber. Kit ma juyubu kudu piny eni ecopu ciro kadi aloka loka madit pa lyethu i valve. TORQSEAL triple eccentric disc de utiye ku yore moko ma juyike maber ma konyo ni neno nia disc sealing surface mulo kom kende kende i kare ma etuc i kabedo mi valve ma cego man epe. Pieno, kero mi cego pa valve copo telo disc ni bedo maber, man kelo wedge effect maber i kabedo pa valve ma cego, ma weko disc bedo marom ku circumference mi seat sealing surface. Lubu cik pa valve seat miyo valve body man disc bedo ku tic mi "lokore gire", ma weko disc ne mako ngo i saa mi lyethu. Valve shaft ma juyubu ku stainless steel copo timo tic ma lee man tiyo maber i lyethu ma piny. VELFLEX double eccentric design weko valve ni juyike iwi yamu pio pio man yot. Foyofoc ni ot ma juketho i ngete, kom man disc jucopo neno nyo juyubu giri, labongo yeny mi poko actuator nyo jam tic moko ma pire tek.

Tianjin Tanggu Water-Seal Valve Co.,ltdgikonyo teknoloji ma malu mandha ma gwoko valve ma juketho i iye, ikinde utiye ma juketho i iyewafer butterfly valve, Lug butterfly valve, Flange aryo ma rwate ku butterfly valve, Double flange eccentric butterfly valve,Y-strainer, balancing valve,Wafer dual plate check valve, ni medo mukende.