DON TSARIN TUSHEN TUSHEN WUTA
Farashin BAYONETHANYANAU'I DA FLANGE DA KWALLIYA
The Installation Precautions
Farashin VJP(Vacuum jacketed Pipe)ya kamata a sanya shi a wuri mai bushe ba tare da iska ba kafin shigarwa.Thena wajemarufiLayer na VJP ba zai iya babe budeed, don hana bututu a cikin jikin waje (yashi, ƙananan kwayoyin halitta, da dai sauransu). A cikin ruwan sama ko na dogon lokacijikayanayi, kuma yana buƙatar kulawa ta musamman ga cikin bututun mai hana ruwa.
An haramta amfani da VJP kai tsaye azaman waldawa lantarki, buga bakako waldi akan VJP.
Farashin VJPmarufiBa za a iya cire Layer ba har sai an shigar da bututu don hana rushewar walda a wasu wurare.
Yayin duk aikin shigarwa, ya kamata a kula da VJP a hankali. Kare ƙarshen duka biyuna VJP, kada ku yi amfani davacuumhaɗin gwiwa akan VJP (hoto na 1 da 3) a matsayin maƙasudin ƙarfi don hana yaɗuwar injin.
Lokacin shigarwa, kula da amincin hoisting, kada ku fadi da lalacewa ko rauni.
Matakan Shigarwa na VJP
1. Dubadazanes, ko da yawa da girmana bututuakan zane-zane iri daya netare dadafilin bututu. Before shigarwa, nemofitakowane VJP bisa ga zane dalamba. Misali:HL2018GLN-59-02-01, wanda ke nufin lambar aikin shine 59, ruwa nitrogen matsakaici, bututuA'a.01 na layiA'a.02. Ƙarfe mai suna da wannanlambaan haɗe zuwa VJP a wurin (hoto na 1), kuma an haɗe sunan lalata na lantarkikusa da mahaɗin haɗin gwiwa akandaVJP(Hoto na 2).
Note: dayawakuma A'a.na bututu a cikin zane dole ne su kasance daidai dayawakumaA'a.naVJPsa kan site. Idan akwai wani saɓani a cikin dubawa, tabbatar da tuntuɓar ma'aikatan mu a wurin.
2. Bayan duba adadin VJP daA'a.,bisa ga zane-zane, motsawaFarashin VJPsakan madaidaicin sashis/goyon bayanko wuriVJPsa ƙasa kusa da madaidaicin sashis/goyon bayan.
3. Kafin a haɗa flanges, da farko bincika ko an shigar da zoben hatimi da naúrar hatimin sanyi yadda yakamata
4. Tsaftace mahaɗinmace & namijitsawobututu, hatimizobbada naúrar hatimi mai sanyi tare da reagent maras mai da mara ruwa.
5. Saka bututun tsawo na namiji da mace a kwance da sannu a hankali. Sa'an nan kuma ja flanges biyu tare kuma danna, kuma shigar da duk kusoshi a kan flanges (kada ku ƙara su a yanzu).
6. Bayan tabbatar da madaidaicin matsayi na flanges guda biyu, ƙarfafa ƙugiya mataki-mataki. Tabbatar cewa flange yana kiyaye matakin yayin shigarwa
7. Bincika ko ƙwanƙwasa flange ya cancanta.
8. Thetazara na goyon baya biyu shine 3m, ya kamata a shigar da farantin PTFE tsakanin wurin tallafi dana wajebututu.
Cikakkun bayanai don Aiki & Kulawa
1. Masu aiki yakamata su saba daaikikwararas tsakanin kayan aiki a cikin tsarin. Ya kamata a sani cewa ruwa oxygen, ruwa nitrogen da ruwa argon ruwa ne cryogenic. Lokacin da yanayin zafi ya fi girma fiye da wurin tafasa, za su kasance ta halittagasifyda matsa lamba, yana haifar da karuwa a hankali a cikin matsa lamba a cikinVJP da alaƙakayan aiki.
2. Precooling na VJP kafin amfani
Tun da VJP da ba a yi amfani da shi ba yana cikin zafin yanayi, bututu yana cike da iska wanda ya ƙunshi danshi. Saboda haka, manufar pre-sanyi shi ne: da farko, don rage yawan zafin jiki na VJP zuwa yanayin zafi na ruwa na cryogenic, don kauce wa hulɗar kai tsaye na babban adadin ruwa na cryogenic tare da bututun zafin jiki na al'ada, yana samar da sauri. da kuma babban adadin iskar gas, yana haifar da saurin matsa lamba na VJP, don haka haifar da lalacewa ga VJP da kayan aikin ruwa na ƙarshe. Abu na biyu, shine a hankali cire iska a cikin VJP kuma a guje wa yawan adadin ruwa na cryogenic kai tsaye tare da iska, wanda ke haifar da daskarewa da toshewa a cikin VJP.
Kafin sake amfani da injin adiabatic bututu bayan amfani da farko ko dakatar da samarwa, za a yi precooling ta yadda bututun adiabatic zai iya aiki kullum sai bayan ya isa yanayin aiki.
3. TheHanyar sanyida VJP
Da farko, duba ko bawuls, ma'aunin matsa lambasda bawul ɗin amincis da sauransu.a cikin tsarin VJP suna cikin yanayin al'ada daidai. Bayan na samadubayana gamawa, a hankali ya buɗebawul mai shiga na tsarin VJPda tururi/ gasifyRuwan da ba ya kwarara zuwa cikin iska mai sanyi zuwa pre-kwantar daVJPdomingame daMinti 30. Matsi a cikinVJPyana canzawa sosaia wannan lokaci.Lokacin da matsa lamba a cikinVJPya zama barga, za a iya ƙara ƙarar jiko a hankali har sai ya dace da bukatun.(Lura: a lokacin tsarin sanyi na farko, idan matsa lamba a cikinVJPya fi daidai matsin ƙira,dole ne a nan taketsayadon jiko cikin tsarin VJP.Mdan lokaci kadan,gaba daya budehushibawulsakan layi don sakin matsa lamba.)
4. Sbukka Down daVJP
Lokacin dakatar da jiko, an haramta shi sosai don rufe bawul na ƙarshen tsarin VJP a lokaci guda, don samar da rufaffiyar jihar a cikinVJPtsarin, yana haifar da wuce gona da iri na ragowar ruwa a cikin VJPsaboda gasification.
5. Na lokaci-lokaciDcajin naCryogenicLiquids (LruwaOiskar oxygen kawai)
Saboda hydrocarbons da ragowar sun kasance a cikiVJP daruwa oxygen, Wadannan abubuwa za a adana su a cikin bututun ciki na dogon lokaci lokacin da ake jigilar su ta cikinVJP.Da zarar an saka hydrocarbons a cikin bututu mai yawa kuma na dogon lokaci, yayin da yanayi ya yi zafi ko kumasamar daruwa oxygen ne stopped, da taro na hydrocarbons a cikinVJPyana ƙaruwa, kuma amsawa tare da ragowar oxygen na iya haifar daanfashewasion.
6.TsaroDsharrida VJP
A cikin kowane daga cikinsuVJPtsarin ya kamata a saita tsarin fitarwa na aminci (ciki har da bawul ɗin taimako da bawul ɗin iska), Lokacin da matsa lamba na VJP ya kai matsa lamba na bututun aminci wanda zai buɗe ta atomatik kuma ya saki matsa lamba a cikin lokaci. A lokaci guda, dahushiHakanan za'a iya buɗe bawuloli da hannu don sakin matsa lamba don tabbatar da amincin duk tsarin VJP.
Rashin aiki da zubarwa
| Mai yiwuwaBreakdowns | Dalili | Gudanarwa |
| Tashin matsin lamba yana haifar daamincibawul don farawa ci gaba. | Valves a ƙarshen duka biyu naVJPsuna rufe lokaci guda, Sanya matsin lamba ya tashi. | Nan da nan buɗe bawuloli a ƙarshen duka biyu naVJPdon rage matsa lamba, kuma budehushibawulsa lokaci guda. |
| Jiko bututun da aka toshe. | Akwai wani abu yana tarewaa cikin VJP. | Busa daVJPtare da iskar nitrogen.(Ice blocking: Busa da 100oC nitrogen gas) |
Lokacin aikawa: Dec-02-2021
