La'akari da Zaɓin Hatimi - Shigar da Hatimin Inji Mai Matsi Mai Matsi Biyu

Shiri 3 na hatimin inji sunehatimi biyuinda ramin ruwa mai shinge tsakanin hatimin ke riƙe da matsin lamba fiye da matsin lambar ɗakin hatimi. A tsawon lokaci, masana'antar ta ƙirƙiro dabaru da dama don ƙirƙirar yanayin matsin lamba mai yawa da ake buƙata don waɗannan hatimin. Waɗannan dabarun an kama su a cikin tsare-tsaren bututun hatimin injiniya. Duk da cewa da yawa daga cikin waɗannan tsare-tsaren suna aiki iri ɗaya, halayen aiki na kowannensu na iya bambanta sosai kuma zai shafi dukkan fannoni na tsarin hatimi.

Tsarin Bututu 53B, kamar yadda API 682 ta bayyana, tsarin bututu ne wanda ke matse ruwan shingen da aka ɗora da sinadarin nitrogen. Mafitsara mai matsewa tana aiki kai tsaye akan ruwan shingen, tana matse tsarin rufewa gaba ɗaya. Mafitsara tana hana hulɗa kai tsaye tsakanin iskar matsi da ruwan shingen, wanda ke kawar da shaƙar iskar gas cikin ruwan. Wannan yana ba da damar amfani da Tsarin Bututu 53B a aikace-aikacen matsin lamba mafi girma fiye da Tsarin Bututu 53A. Yanayin mai tara kaya shi ma yana kawar da buƙatar samar da nitrogen akai-akai, wanda hakan ya sa tsarin ya dace da shigarwa daga nesa.

Duk da haka, wasu daga cikin halayen aiki na tsarin suna da alaƙa da fa'idodin tarin mafitsara. Matsi na Tsarin Bututu 53B ana ƙayyade shi kai tsaye ta hanyar matsin iskar gas a cikin mafitsara. Wannan matsin lamba na iya canzawa sosai saboda wasu canje-canje da yawa.

Dole ne a riga an yi wa mafitsara caji kafin a ƙara ruwan shinge a cikin tsarin. Wannan yana samar da tushe ga duk lissafin da fassarar ayyukan tsarin nan gaba. Matsin zafin da ake buƙata kafin a yi amfani da shi ya dogara ne da matsin lambar aiki na tsarin da kuma ƙarfin amincin ruwan shinge a cikin masu tara kaya. Matsin zafin da ake buƙata kafin a yi amfani da shi ya dogara ne da zafin iskar gas a cikin mafitsara. Lura: matsin lambar da ake buƙata kafin a yi amfani da shi yana faruwa ne kawai a lokacin da aka fara amfani da tsarin kuma ba za a daidaita shi ba yayin aiki na gaske.

Matsin iskar gas a cikin mafitsara zai bambanta dangane da zafin iskar gas ɗin. A mafi yawan lokuta, zafin iskar gas ɗin zai bi diddigin zafin yanayi a wurin shigarwa. Aikace-aikacen a yankunan da ake samun manyan canje-canje na yanayi a kullum da kuma yanayin zafi za su fuskanci manyan canje-canje a matsin lamba na tsarin.

Amfani da Ruwa Mai ShafawaA lokacin aiki, hatimin injina zai cinye ruwan shinge ta hanyar zubar hatimi na yau da kullun. Wannan ruwan shingen yana cike shi da ruwan da ke cikin tarawa, wanda ke haifar da faɗaɗa iskar gas a cikin mafitsara da raguwar matsin lamba a cikin tsarin. Waɗannan canje-canjen suna da alaƙa da girman tarawa, ƙimar zubar hatimi, da kuma lokacin kulawa da ake so don tsarin (misali, kwanaki 28).

Sauyin matsin lamba a tsarin shine babbar hanyar da mai amfani na ƙarshe ke bibiyar aikin hatimi. Haka kuma ana amfani da matsin lamba don ƙirƙirar ƙararrawa na kulawa da kuma gano gazawar hatimi. Duk da haka, matsin lamba zai ci gaba da canzawa yayin da tsarin ke aiki. Ta yaya mai amfani zai saita matsin lamba a cikin tsarin Tsarin 53B? Yaushe ya zama dole a ƙara ruwan shinge? Nawa ne ruwa ya kamata a ƙara?

An fara buga lissafin injiniya na farko da aka buga sosai don tsarin Tsarin 53B a cikin API 682 Buga na Huɗu. Annex F yana ba da umarni mataki-mataki kan yadda ake tantance matsin lamba da girma don wannan tsarin bututun. Ɗaya daga cikin mafi amfani buƙatun API 682 shine ƙirƙirar farantin suna na yau da kullun don masu tara mafitsara (API 682 Buga na Huɗu, Tebur na 10). Wannan farantin suna ya ƙunshi tebur wanda ke ɗaukar matsin lamba na farko, cikawa, da ƙararrawa don tsarin a kan kewayon yanayin zafin jiki na yanayi a wurin aikace-aikacen. Lura: teburin da ke cikin ma'aunin misali misali ne kawai kuma ainihin ƙimar za ta canza sosai lokacin da aka yi amfani da shi ga takamaiman aikace-aikacen filin.

Ɗaya daga cikin muhimman zato na Hoto na 2 shine cewa ana sa ran Tsarin Bututun Ruwa 53B zai ci gaba da aiki ba tare da canza matsin lamba na farko kafin caji ba. Akwai kuma zato cewa tsarin zai iya fuskantar yanayin zafin jiki na yanayi gaba ɗaya a cikin ɗan gajeren lokaci. Waɗannan suna da tasiri mai mahimmanci a cikin ƙirar tsarin kuma suna buƙatar a sarrafa tsarin a matsin lamba mafi girma fiye da sauran tsare-tsaren bututun hatimi biyu.

Ta amfani da Hoto na 2 a matsayin misali, an shigar da misalin aikace-aikacen a wurin da zafin yanayi yake tsakanin -17°C (1°F) da 70°C (158°F). Saman wannan kewayon ya bayyana yana da tsayi sosai, amma kuma ya haɗa da tasirin dumama hasken rana na tarawa wanda aka fallasa shi ga hasken rana kai tsaye. Layukan da ke kan tebur suna wakiltar tazara tsakanin mafi girma da mafi ƙanƙanta.

Lokacin da mai amfani da ƙarshen ke aiki da tsarin, za su ƙara matsin lamba na ruwa mai shinge har sai an kai matsin lamba na sake cikawa a yanayin zafi na yanzu. Matsin lamba na ƙararrawa shine matsin lamba da ke nuna cewa mai amfani da ƙarshen yana buƙatar ƙara ƙarin ruwan shinge. A 25°C (77°F), mai aiki zai fara cajin mai tara zuwa sandar 30.3 (440 PSIG), za a saita ƙararrawa zuwa sandar 30.7 (445 PSIG), kuma mai aiki zai ƙara ruwan shinge har sai matsin ya kai sandar 37.9 (550 PSIG). Idan zafin jiki na yanayi ya ragu zuwa 0°C (32°F), to matsin lamba na ƙararrawa zai ragu zuwa sandar 28.1 (408 PSIG) kuma matsin lamba na sake cikawa zuwa sandar 34.7 (504 PSIG).

A wannan yanayin, matsin lamba na ƙararrawa da sake cikawa suna canzawa, ko kuma suna iyo, don mayar da martani ga yanayin zafi na yanayi. Sau da yawa ana kiran wannan hanyar da dabarun iyo. Duk ƙararrawa da sake cikawa "float". Wannan yana haifar da mafi ƙarancin matsin lamba na aiki ga tsarin rufewa. Duk da haka, wannan yana sanya takamaiman buƙatu guda biyu ga mai amfani na ƙarshe; ƙayyade madaidaicin matsin lamba na ƙararrawa da sake cikawa. Matsin lamba na ƙararrawa don tsarin aiki ne na zafin jiki kuma dole ne a tsara wannan alaƙar a cikin tsarin DCS na mai amfani na ƙarshe. Matsin lamba na sake cikawa kuma zai dogara ne akan zafin jiki na yanayi, don haka mai aiki zai buƙaci komawa zuwa farantin suna don nemo madaidaicin matsin lamba don yanayin yanzu.

Wasu masu amfani da ƙarshen suna buƙatar hanya mafi sauƙi kuma suna son dabarun da matsin lamba na ƙararrawa da matsin lamba na sake cikawa suke akai-akai (ko kuma an gyara su) kuma ba tare da la'akari da yanayin zafi na yanayi ba. Tsarin da aka gyara yana ba wa mai amfani da ƙarshen matsi ɗaya kawai don sake cika tsarin da kuma ƙimar da za ta tsoratar da tsarin. Abin takaici, wannan yanayin dole ne ya ɗauka cewa zafin yana kan matsakaicin ƙima, tunda lissafin yana rama raguwar zafin jiki na yanayi daga matsakaicin zuwa mafi ƙarancin zafin jiki. Wannan yana haifar da tsarin yana aiki a matsin lamba mafi girma. A wasu aikace-aikace, amfani da dabarun da aka gyara na iya haifar da canje-canje a cikin ƙirar hatimi ko ƙimar MAWP don wasu sassan tsarin don magance matsin lamba mai girma.

Sauran masu amfani da ƙarshen za su yi amfani da hanyar haɗakarwa tare da matsin lamba mai tsayayye da matsin lamba mai cikewa. Wannan na iya rage matsin lamba yayin da yake sauƙaƙa saitunan faɗakarwa. Ya kamata a yanke shawarar dabarun faɗakarwa daidai bayan la'akari da yanayin aikace-aikacen, kewayon zafin jiki na yanayi, da buƙatun mai amfani na ƙarshe.

Akwai wasu gyare-gyare a cikin tsarin Tsarin Bututu 53B wanda zai iya taimakawa wajen rage wasu daga cikin waɗannan ƙalubalen. Dumamawa daga hasken rana na iya ƙara yawan zafin jiki na tarawa don lissafin ƙira. Sanya tarawa a cikin inuwa ko gina garkuwar rana don tarawa na iya kawar da dumamar rana da rage yawan zafin jiki a cikin lissafin.

A cikin bayanin da ke sama, kalmar zafin yanayi an yi amfani da ita don wakiltar zafin iskar gas a cikin mafitsara. A ƙarƙashin yanayin da ya dace ko kuma yanayin yanayin zafi a hankali yana canzawa, wannan zato ne mai ma'ana. Idan akwai manyan canje-canje a yanayin zafin yanayi tsakanin rana da dare, rufe tank ɗin na iya daidaita tasirin canjin zafin mafitsara wanda ke haifar da yanayin zafi mai kyau.

Ana iya faɗaɗa wannan hanyar zuwa amfani da bin diddigin zafi da kuma rufewa a kan tarawa. Idan aka yi amfani da wannan yadda ya kamata, tarawa zai yi aiki a zafin jiki ɗaya ba tare da la'akari da canje-canjen yau da kullun ko yanayi a yanayin zafi na yanayi ba. Wannan wataƙila shine mafi mahimmancin zaɓin ƙira guda ɗaya da za a yi la'akari da shi a yankunan da ke da manyan bambance-bambancen zafin jiki. Wannan hanyar tana da babban tushe da aka sanya a fagen kuma ta ba da damar amfani da Tsarin 53B a wurare waɗanda ba za su yiwu ba tare da bin diddigin zafi.

Masu amfani da ƙarshen tsarin bututun da ke la'akari da amfani da Tsarin bututun 53B ya kamata su sani cewa wannan tsarin bututun ba wai kawai Tsarin bututun 53A bane mai tarawa. Kusan kowane fanni na tsarin ƙira, aiwatarwa, aiki, da kuma kula da Tsarin bututun 53B ya keɓance ga wannan tsarin bututun. Yawancin abubuwan takaicin da masu amfani da ƙarshen tsarin suka fuskanta sun fito ne daga rashin fahimtar tsarin. Seal OEMs na iya shirya cikakken bincike don takamaiman aikace-aikace kuma suna iya samar da bayanan da ake buƙata don taimakawa mai amfani da ƙarshen ya ƙayyade da kuma sarrafa wannan tsarin yadda ya kamata.