Kuwunika kwa Mafunso Angapo mu Cryogenic Liquid Pipeline Transportation (3)

Njira yosakhazikika pakupatsirana

Mu ndondomeko ya cryogenic madzi payipi kufala, wapadera katundu ndi ndondomeko ntchito ya cryogenic madzi adzachititsa angapo kusakhazikika njira zosiyana ndi yachibadwa kutentha madzimadzi mu kusintha boma pamaso kukhazikitsidwa kwa khola boma. Njira yosasunthika imabweretsanso mphamvu yayikulu pazida, zomwe zingayambitse kuwonongeka kwamapangidwe. Mwachitsanzo, makina odzaza mpweya wa okosijeni wa rocket ya Saturn V ku United States kamodzi anayambitsa kuphulika kwa mzere wotsekemera chifukwa cha kukhudzidwa kwa ndondomeko yosakhazikika pamene valve inatsegulidwa. Kuonjezera apo, ndondomeko yosakhazikika inachititsa kuwonongeka kwa zipangizo zina zothandizira (monga ma valve, mavuvu, etc.) ndizofala kwambiri. Kusakhazikika kwa njira yotumizira mapaipi amadzimadzi a cryogenic makamaka kumaphatikizapo kudzazidwa kwa chitoliro cha nthambi zakhungu, kudzazidwa pambuyo pa kutulutsa kwamadzimadzi mu chitoliro chokhetsa ndi njira yosakhazikika potsegula valavu yomwe yapanga chipinda cha mpweya kutsogolo. Zomwe zimakhala zosakhazikika zomwe zimafanana ndikuti kufunikira kwake ndikudzaza mpweya wa nthunzi ndi madzi a cryogenic, omwe amatsogolera kutentha kwakukulu ndi kusuntha kwakukulu pa mawonekedwe a magawo awiri, zomwe zimapangitsa kusinthasintha kwakukulu kwa magawo a dongosolo. Popeza ndondomeko yodzaza pambuyo pa kutulutsa madzi kwapang'onopang'ono kuchokera ku chitoliro chokhetsa ndikufanana ndi njira yosakhazikika potsegula valavu yomwe yapanga chipinda cha mpweya kutsogolo, zotsatirazi zimangofufuza ndondomeko yosakhazikika pamene chitoliro cha nthambi yakhungu chikudzazidwa ndi pamene valve yotseguka imatsegulidwa.

Njira Yosakhazikika Yodzaza Machubu a Nthambi Yakhungu

Poganizira za chitetezo cha dongosolo ndi kuwongolera, kuwonjezera pa chitoliro chachikulu chotumizira, mapaipi ena othandizira anthambi ayenera kukhala ndi zida zamapaipi. Kuphatikiza apo, valavu yotetezera, valavu yotulutsa ndi ma valve ena mu dongosolo idzayambitsa mapaipi a nthambi ofanana. Pamene nthambizi sizikugwira ntchito, nthambi zakhungu zimapangidwira dongosolo la mapaipi. Kuwotcha kwapaipi ndi malo ozungulira kudzachititsa kuti pakhale mpweya wa nthunzi mu chubu chakhungu (nthawi zina, zibowo za nthunzi zimagwiritsidwa ntchito makamaka kuchepetsa kutentha kwa madzi a cryogenic ochokera kudziko lakunja "). M'malo osinthika, kuthamanga kwa payipi kumakwera chifukwa cha kusintha kwa valve ndi zifukwa zina. chipinda cha mpweya, nthunzi yopangidwa ndi vaporization ya madzi a cryogenic chifukwa cha kutentha sikokwanira kuti asinthe galimoto yamadzimadzi, madziwo nthawi zonse amadzaza chipinda cha mpweya, kutsekemera kwachangu kumapangidwa pa chisindikizo chakhungu, chomwe chimatsogolera kupsinjika yakuthwa pafupi ndi chisindikizo.

Njira yodzaza chubu yakhungu imagawidwa m'magawo atatu. Mugawo loyamba, madzi amayendetsedwa kuti afike pa liwiro lalikulu lodzaza pansi pakuchitapo kanthu kwa kusiyana kwapakatikati mpaka kupanikizika kuli koyenera. Mu gawo lachiwiri, chifukwa cha inertia, madzi akupitiriza kudzaza patsogolo. Panthawiyi, kusiyana kwapakati (kupanikizika mu chipinda cha gasi kumawonjezeka ndi kudzaza) kudzachepetsa madzi. Gawo lachitatu ndi siteji yothamanga mofulumira, momwe kupanikizika kumakhala kwakukulu kwambiri.

Kuchepetsa kuthamanga kwa kudzaza ndi kuchepetsa kukula kwa mpweya wa mpweya kungagwiritsidwe ntchito kuthetsa kapena kuchepetsa katundu wamphamvu wopangidwa panthawi yodzaza chitoliro cha nthambi yakhungu. Kwa dongosolo lalitali la mapaipi, gwero la madzi othamanga likhoza kusinthidwa bwino pasadakhale kuti muchepetse kuthamanga kwa kayendedwe kake, ndipo valve imatsekedwa kwa nthawi yaitali.

Pankhani ya kapangidwe kake, titha kugwiritsa ntchito magawo osiyanasiyana owongolera kuti apititse patsogolo kufalikira kwamadzi mu chitoliro chanthambi akhungu, kuchepetsa kukula kwa mpweya, kuyambitsa kukana kwanuko pakhomo la chitoliro cha nthambi yakhungu kapena kuonjezera m'mimba mwake wa chitoliro cha akhungu kuti muchepetse liwiro lodzaza. Kuonjezera apo, kutalika ndi kuyika kwa chitoliro cha braille kudzakhudzanso kugwedezeka kwa madzi achiwiri, choncho tcheru chiyenera kuperekedwa ku mapangidwe ndi mapangidwe. Chifukwa chomwe kuwonjezeka kwa chitoliro cha chitoliro kudzachepetsa katundu wosunthika akhoza kufotokozedwa motere: chifukwa chodzaza chitoliro cha nthambi yakhungu, kutuluka kwa chitoliro cha nthambi kumachepetsedwa ndi kutuluka kwakukulu kwa chitoliro, chomwe chingaganizidwe kuti ndi mtengo wokhazikika panthawi yowunikira khalidwe. Kuwonjezeka kwa chitoliro chanthambi ndikofanana ndi kuonjezera malo ozungulira, omwe ndi ofanana ndi kuchepetsa kuthamanga kwa kudzaza, motero kumabweretsa kuchepetsa katundu.

Njira Yosakhazikika Yotsegulira Vavu

Pamene valavu yatsekedwa, kulowetsedwa kwa kutentha kuchokera ku chilengedwe, makamaka kupyolera mu mlatho wotentha, kumayambitsa mwamsanga kupanga chipinda cha mpweya kutsogolo kwa valve. Vavu ikatsegulidwa, nthunzi ndi madzi zimayamba kusuntha, chifukwa kuchuluka kwa mpweya ndikwambiri kuposa kuchuluka kwamadzi otaya, nthunzi mu valavu simatsegulidwa kwathunthu atangotuluka, zomwe zimapangitsa kuti pakhale kutsika kofulumira, madzi amathamangitsidwa kutsogolo chifukwa cha kusiyana kwa kuthamanga, pamene madzi omwe amayandikira kuti asatsegule bwino valavu, adzapanga zikhalidwe za braking, Panthawiyi, kugwedeza kwamphamvu kwa madzi kudzachitika, kutulutsa mphamvu.

Njira yothandiza kwambiri yothetsera kapena kuchepetsa katundu wochuluka wopangidwa ndi njira yosasunthika ya kutsegula kwa valve ndikuchepetsa kupanikizika kwa ntchito mu gawo la kusintha, kuti muchepetse kuthamanga kwa kudzaza chipinda cha mpweya. Kuphatikiza apo, kugwiritsa ntchito mavavu osinthika kwambiri, kusintha komwe kumayendera gawo la chitoliro ndikuyambitsa mapaipi ang'onoang'ono apadera odutsa (kuchepetsa kukula kwa chipinda cha gasi) kudzakhala ndi zotsatirapo zochepetsera katundu wosinthika. Makamaka, tisaiwale kuti chosiyana ndi mphamvu kuchepetsa katundu pamene akhungu nthambi chitoliro wodzazidwa ndi kuonjezera akhungu nthambi chitoliro m'mimba mwake, chifukwa ndondomeko wosakhazikika pamene valavu anatsegula, kuwonjezera waukulu chitoliro m'mimba mwake ndi lofanana ndi kuchepetsa yunifolomu kukana chitoliro, amene adzawonjezera otaya mlingo wa wodzazidwa mpweya chipinda, motero kuwonjezera madzi kugunda mtengo.

 

HL Cryogenic Equipment

HL Cryogenic Equipment yomwe idakhazikitsidwa mu 1992 ndi mtundu womwe umagwirizana ndi HL Cryogenic Equipment Company Cryogenic Equipment Co., Ltd. HL Cryogenic Equipment yadzipereka kupanga ndi kupanga High Vacuum Insulated Cryogenic Piping System ndi Zida Zothandizira Zothandizira kukwaniritsa zosowa zosiyanasiyana za makasitomala. The Vacuum insulated chitoliro ndi Flexible payipi amamangidwa mu vakuyumu mkulu ndi Mipikisano wosanjikiza Mipikisano chophimba zipangizo zapadera insulated, ndipo akudutsa mndandanda wa mankhwala okhwima kwambiri luso ndi mkulu zingalowe mankhwala, amene ntchito posamutsa wa madzi mpweya, nayitrogeni madzi, argon madzi, wa hydrogen, madzi helium, liquefied ethylene gasi LNG L.

Mndandanda wazinthu za Vacuum Jacketed Pipe, Vacuum Jacketed Valve, Vacuum Jacketed Valve, ndi Phase Separator mu HL Cryogenic Equipment Company, yomwe idadutsa mndandanda wamankhwala okhwima kwambiri, amagwiritsidwa ntchito posamutsa mpweya wamadzimadzi, nayitrogeni wamadzimadzi, argon wamadzimadzi, hydrogen, helium yamadzimadzi, LEG ndi LNG ndi zida za cryogenic ndi cryogenic dewars ndi coldboxes etc.) m'mafakitale olekanitsa mpweya, mpweya, ndege, zamagetsi, superconductor, tchipisi, msonkhano zochita zokha, chakudya & chakumwa, mankhwala, chipatala, biobank, mphira, zinthu zatsopano kupanga mankhwala zomangamanga, chitsulo & zitsulo, ndi kafukufuku sayansi etc.


Nthawi yotumiza: Feb-27-2023

Siyani Uthenga Wanu