Kufambisa LNG zvinobudirira hakusi kungotora mvura kubva panzvimbo A kuenda panzvimbo B. Dambudziko guru nderekudzora kuwedzera kwekupisa panguva yekufambisa. Kunyangwe kupisa kudiki kunogona kuburitsa gasi rinodzima, kukanganisa kuyerera kwemhepo, uye kuderedza kushanda zvakanaka kwehurongwa hwese.

At HL Cryogenics, tinogadzira masisitimu ekufambisa anochengetedza vacuum insulated anotarisa pakugadzikana kwekupisa kwenguva refu, kudonha kwemvura shoma, uye kutumirwa kwemvura kwechikamu chimwe chete kwakavimbika. Masisitimu edu anosanganiswa.pombi yekudzivirira mvura inopisa, pombi inochinjikamagungano, tekinoroji ye vacuum inochengetedza zviri nyore, uye michina yekutarisira zvikamu zveLNG inotsigira kutamiswa kwakasimba mumaindasitiri nemidziyo yemugungwa.

Nei Kudzivirira Vacuum Kuchikosha Mukutamiswa kweLNG

Zvinwiwa zvinopisa zvakaita seLNG zvinonzwa zvakanyanya kana kupisa kwapinda. Mumapombi akajairwa anodziya, kurasikirwa kwekupisa kunowedzera zvishoma nezvishoma nekufamba kwenguva sezvo mashandiro ekudzivirira achiderera. Izvi zvinogona kukonzera mwero wepamusoro wekupisa, kusagadzikana kwedzvinyiriro, uye kusashanda zvakanaka.

Mapaipi ekudzivirira ngurakugadzirisa izvi nekuderedza marudzi ese matatu makuru ekutamisa kupisa:

• Kutungamirwa kwakasimba
• Kutenderera kwegesi
• Mwaranzi yekupisa

Yedupombi yekudzivirira mvura inopisauye masisitimu epaipi inochinjika anoshandisa chimiro chine madziro maviri chine nzvimbo ine vacuum annular ine vacuum yakawanda, inowanzo chengetwa pasi pe 1 × 10⁻⁵ mbar. Pasi pemamiriro ezvinhu aya, kufambiswa kwegasi uye convection zvinenge zvabviswa nekuti mamorekuru egasi akasara anova mashoma zvakanyanya kuti atakure kupisa zvinobudirira.

Kuti kuderedze kutamiswa kwekupisa nemwaranzi, multilayer insulation (MLI) inoiswa yakatenderedza pombi yemukati. Aya ma layer anoratidzira anoderedza zvakanyanya kupinza kwekupisa nemwaranzi kubva mujaketi rekunze.

Mugumisiro wacho unoratidza kushanda kwekupisa kwakanyanya kupfuura furo remazuva ano kana kuti mapaipi emvura anoputirwa nemagetsi.

Tinowanzo gadzira pombi yemukati nejaketi rekunze kubva kusimbi isingatsvedzi ye304L kana 316L kuti tive nechokwadi chekuti cryogenic yakasimba, kuramba ngura, uye kushanda zvakanaka kweweld pasi pekupisa kunodzokororwa.

Sisitimu yeDynamic Vacuum PombiyeKushanda Kwenguva Refu

Dambudziko rinowanzoitika mumasisitimu echinyakare evacuum cleaner ndeyekuora kwevacuum zvishoma nezvishoma nekufamba kwenguva. Kubuda kwemhepo kubva mukati, kudonha kwemvura kudiki, uye kupisa kunogona kuwedzera kumanikidzwa kwemhepo zvishoma nezvishoma, zvichideredza kushanda kwekudzivirira.

Kuti tigadzirise izvi,HL CryogenicsyakagadziraSisitimu yeDynamic Vacuum Pombiyakagadzirirwa kugadzikana kwenguva refu kwevacuum.

Sisitimu iyi inobvisa nzvimbo ye annular nguva nenguva kana kuti nguva nenguva ichishandisa ma dry-running scroll pumps kana ma turbomolecular pumps. Vharuvhu isingadzose inobvisa nzvimbo ye vacuum panguva yekumira, nepo ma integrated vacuum gauges achipa kutarisa kwe annulus pressure panguva chaiyo.

Zvishandiso zveAdsorber zvinosanganisirwawo kuti zvibate hunyoro nemahydrocarbon akasara mukati menzvimbo ye vacuum.

Nekuti mwero we vacuum unochengetwa zvakanaka, mashandiro ekudzivirira anoramba akagadzikana muhupenyu hwese hwesystem pane kudzikira zvishoma nezvishoma. Mumamiriro ekushanda akajairwa, annulus inogona kuramba iri mukati me10⁻⁶ mbar range kunyangwe munzvimbo dzinopisa uye dzine hunyoro.

Izvi zvinobatsira zvakananga ku:

• Kuderera kweLNG boil off rates
• Kutumirwa kwemvura kwakasimba
• Kuderedzwa kwehuwandu hwekugadzirisa
• Kubudirira kwehupenyu hwese

Kuchengetedza Kuyerera kweLNG Kwakagadzikana kweChikamu Chimwe Chete

Kutamiswa kweLNG kwakagadzikana hakungotsamiri pakushanda kwekudzivirira kupisa chete, asiwo pakubata zvakanaka kwechikamu.

Yedumavharuvhu ekudzivirira mhepoYakagadzirirwa kuchengetedza tembiricha inopenya mukati metambo yese yekufambisa uku ichideredza kubuda kwekupisa panzvimbo dzakakosha dzekudzora. Magadzirirwo ebhoneti akawedzerwa anochengetedza kurongedza kwesimbi kure nenzvimbo inotonhora, zvichibatsira kudzivirira kuumbwa kwechando uye kuvandudza kuvimbika kwekushanda.

Kutarisira gasi rinogadzirwa panguva yekutamiswa,vacuum insulated phase separatorszvinoiswa pamusoro pemapombi kana masisitimu ekugamuchira. Izvi zvinoparadzanisa zvinobvisa utsi kubva murwizi rwemvura usati wasvika kumidziyo inononoka iri pasi pemvura.

Dhizaini yekuparadzanisa inowanzo sanganisira:

• Tangential inlet flow yekuparadzanisa kwe centrifugal
• Maumbirwo ekudzikamisa nhanho yemukati
• Kudzivirira vacuum kwakachengetedzwa nesimba

Izvi zvinobatsira kudzivirira kuvharika kwemhepo uye zvinoderedza zvakanyanya njodzi yekuvharika kwepombi.

Matangi MadikiyeSmall-Scale LNG neMobile Systems

Kune zviteshi zveLNG zvinofambiswa, masisitimu ekutsvedza, kana maapplication madiki ekutamisa, eduTangi dikinhevedzano iyi inopa nzvimbo yekuchengetera zvinhu ine vacuum insulated inokwana marita 100 kusvika 3,000.

Mudziyo wemukati unotsigirwa uchishandisa tsigiro dzechimiro dzinoshandiswa nekupisa kushoma uye dzakabatanidzwa nehunyanzvi hwekuchengetedza vacuum. Matangi aya anogona kushanda senzvimbo dzekuchengetedza pakati pemotokari dzinotakura LNG uye masisitimu ekupa mvura pasi.

Kana zvinhu zvikasamira zvakanaka, mwero wekuzvimanikidza unogona kuganhurirwa pasi pe 0.1 bar paawa.

Mashandiro Akajairika Ekuchinjisa LNG

Sisitimu yakajairika yekutumira LNG yakagadzirwa neHL Cryogenics inogona kushanda mukati me:

• Kumanikidzwa kwekushanda kubva pa6 kusvika ku20 bar
• Kumhanya kwemvura kusvika 8 m/s
• Kupisa kunodonhedza mvura kwakaderera se0.25 W/m

Nekubatanidza zvakasimbapombi yekudzivirira mvura inopisaNezvikamu zvepaipi inochinjika panzvimbo dzekutambanudza kana maoko ekutakura akasanganiswa, kushanda zvakanaka kwehurongwa hwese kunogona kuvandudzwa zvakanyanya.

Muzvizhinji zveLNG zvinoshandiswa, izvi zvinoreva kuti huwandu hwemagetsi ari pasi pe0.05% pamamita zana ekufambisa tambo paawa, zvichibatsira kuvandudza kugadzikana kwekushanda uye mashandiro ehupfumi.

Yedupombi inochinjika ye vacuum insulatedmashandisirwo emisangano:

• Corrugated 316L simbi isina ngura yemukati
• Zvivako zvekunze zvakarukwa zvakasimbiswa
• Kuvakwa kweMLI-wakapetwa vacuum annulus

Izvi zvinobvumira hose kuchengetedza kusimba kwe vacuum pasi pekutenderera kunodzokororwa uye kudzika kwekupisa.

Muenzaniso weProjekiti: LNG Terminal muVietnam

HL CryogenicsMunguva pfupi yapfuura yakapa sisitimu yekufambisa ine 350-meter cryogenic yepurojekiti yeLNG terminal muVietnam.

Sisitimu iyi yakagadzirwa kuti ifambise 200 m³/awa yeLNG kubva kumatangi ekuchengetera kuenda kunzvimbo inopinzwa zvinhu ine simba re10 bar uku ichisangana nemiganhu yakasimba yekudzikamisa.

Kugadziriswa kwekupedzisira kwaisanganisira:

• Vacuum insulated yakaoma pombikwezvikamu zvakatwasuka zvakareba
• Hosipaipi inochinjika ye vacuum insulatedpakubatanidza majeti akabatanidzwa
• DualMasisitimu eDynamic Vacuum Pombikuchengetedza kumanikidzwa kwembar annulus kwe5 × 10⁻⁶

Munguva yekuiswa kwemagetsi, kudonha kwekupisa kwakayerwa kwakadzikama painenge 0.28 W/m. Zvichienzaniswa nepombi yekare yaishandiswa nepolyurethane, kufashaira kwemvura kwakadzikira ne80%.

Kuiswa kwevacuum insulated phase separatorzvakare yakabvisa matambudziko ekudzoka kwepombi yepombi ayo akambokonzera kukanganiswa kwekushanda.

Nhasi, sisitimu iyi inoshanda nekutarisa nguva dzose vacuum uye kutenderera kwepombi nguva nenguva kuti irambe ichishanda zvakanaka munzvimbo inopisa uye ine hunyoro yeVietnam.

Yakagadzirirwa Kutevedzera Mutemo Wenyika Dzepasi Pose

Masisitimu edu ekutamisa cryogenic akagadzirwa zvichienderana nezvinodiwa zvepasi rose, zvinosanganisira:

• ASME B31.3
• EN 13480
• ISO 21013
• BS 6364 yekuyedza mavharuvhu e cryogenic

Izvi zvinobvumiraHL Cryogenicsmichina yekutsigira mapurojekiti akasiyana siyana:

• Zviteshi zveLNG kuSoutheast Asia
• Masisitimu egasi reSemiconductor kuEast Asia
• Zvivako zvegasi zvemaindasitiri muEurope
• Mapurojekiti ari kubuda ekuvaka zvivakwa zvehydrogen yemvura muMiddle East

Isu tinogadzirisawo mwero weflange, kubatana kwe bayonet, uye magadzirirwo ejaketi rekunze kuti zvienderane nemakodhi emunharaunda nemamiriro ekushanda anoenderana neprojekiti.

Rutsigiro rweUinjiniya rweMapurojekiti Ekutamisa LNG

Ungave uri kugadzira nzvimbo itsva yeLNG bunker kana kuvandudza network iripo yekufambisa magetsi inonzi cryogenic transfer network, stable vacuum insulation inogona kuvandudza zvakanyanya kushanda zvakanaka kwekupisa uye kuvimbika kwekushanda.

HL Cryogenicsinopa rutsigiro rwemainjiniya rwakabatanidzwa:

• Masisitimu emapaipi anoputira vacuum
• Hosipa inochinjika inopenya
• Mavharuvhu ekudzivirira vharuvhu
• Zvikamu zvinoparadzanisa
• Mhinduro dzeTangi reMini
• Masisitimu epombi yemagetsi anotenderera

Chikwata chedu cheinjiniya chinogona kubatsira nekuverenga kupisa kunobuda, kuongorora kudonha kwesimba, uye kugadzira sisitimu yakagadzirwa zvichienderana nezvinodiwa nemaitiro ako.