Sarrafa kansa gas rarraba tashar

GRS - rarraba tashar samar da kayan aiki da damar don rage matsa lamba na gas kawota daga tsatso cibiyar sadarwa da ake so matakin. Bugu da kari, aiki tashar hada da tacewa da kuma odorization, rarraba da kuma kiyaye cinye gas.

ganawa

Gas rarraba tashar ne na karshe abu a cikin sarkar da gas watsa tsarin da kuma a lokaci guda shugaban tsarin ga birane gas wadata tsarin. Tun ƙarshe na gas wadata zuwa birane da kuma manyan masana'antu da kamfanonin unacceptable GDS aka bayar m kayan aiki. Bugu da ƙari, m kayan aiki da aka sanya a kan manufa na redundancy. A madadin layi da aka kunna a lokacin da fita daga tsari da babban layin raguwa.

GDS aka tsara don:

• samun iskar gas daga babban gas bututun.
• yana tsarkake shi daga daban-daban inji impurities.
• Decompression da dabi'u da ake bukata a cikin birane tsarin.
• rike da matsa lamba a akai matakin.
• odorizing gas da kuma dumama.
• tabbatar da dalilin da ta kudi.

daban na tashoshin

GDS da kuma sarrafa kansa gas rarraba tashar aka raba da su manufar:

• Atomatik a kan rassan da babban gas bututun - don tabbatar da cewa gas na kananan ƙauyuka. Bugu da ari zuwa kashi gas iko da maki (1000-30000 nm ³ / h) da kuma iskar gas iko naúrar (1500 m ³ / h).
• Control da kuma rarraba cibiyoyin - feed masana'antu da kuma yankunan karkara kayayyakin more rayuwa, bututun zobe kusa da manyan garuruwanta da ƙauyukanta 2000-12000 m ³ / h).
• Girbe GRS - shigar a kan gas filayen, da tsarkakewa daga cikin cirewa albarkatun kasa daga danshi da kuma impurities.
• Karshen tashoshin - an gina kai tsaye daga masu amfani da (Enterprises, al'ummomi).

aiki da kai

A cikin 'yan shekaru, yadu amfani da sarrafa kansa gas rarraba tashar. AGDS damar zuwa 200,000 m ³ / h aiki unattended. A wannan yanayin, da tashar na da kewayon kayan aiki da kuma instrumentation, kyale su gudanar da aiki a atomatik yanayin.

Maintenance na GDS yi mugun. Mai aiki na da gas rarraba tashoshin, yawanci located a cikin gabatarwa na sabis kungiyar, monitoring za a iya yi ko da a gida. A hali na gaggawa sauti da haske sakonni ana daukar kwayar cutar zuwa gabatarwa da kuma gidajen aiki, wanda aka located a nesa na ba fiye da 0.5 km daga sarrafawa tashar. GDS sabis yi sama da 200,000 m ³ / h da aka sanya a cikin jirgin ta aiki.

kayan aiki

Gas rarraba tashar hada da wani mai jiwuwa sa na fasaha kayan aiki:

• disconnecting na'urar mashiga.
• tacewa;
• hita.
• wani layi rage da kuma gudãnar da gas matsa lamba;
• Metering na'urar ga mai shigowa gas da kwarara.
• disconnecting na'urar a fitarwa.

Kamar yadda matsa lamba gwamnoni an yi amfani a tashar rinjãya kai tsaye RD da kuma kai tsaye ba mataki irin RDU.

fasaha sake zagayowar

Yana sami shigowa gas rarraba tashar. Makirci da motsi tare da aiki da sarkar kamar haka:

1. Daga cikin gas babban bututun isolating na'urar daukan wuri a farko da kuma shiga da tace.
2. Sa'an nan kuma ya aka allura a cikin mataki na farko raguwa, da ciwon biyu ko uku Lines, daya daga wanda yake a madadin. Lokacin da akwai guda biyu da yanke-Lines, da jiran aiki thread aka lasafta a xari bisa dari iya aiki, yayin da a cikin hali na uku Lines - 50%. Jiran aiki line idan ce kewaye za a iya amfani da su kewaye da mataki na farko.
3. Idan mashiga ruwa matsa lamba ne 4 MPa GDS, mataki na farko gas matsa lamba rage-rage zuwa 1-1.2 MPa, kuma a cikin mataki na biyu zuwa 0.2-0.3 MPa. Bayan da mataki na biyu gas matsa lamba, sunã da wata darajar 0.6-0.7 MPa.

Shigarwa na tacewa da kuma matsa lamba iko

Selection shigarwa sarari tace dogara a kan shigar da matsa lamba da kuma iskar gas abun da ke ciki. Idan rarraba tashar na'am da rigar gas, da tace dole ne a shigar da 1st mataki raguwa. The tace a cikin wannan yanayin zai zama kamar wata condensate tarko, da kuma inji impurities. Bayan nan, cikin cakuda daga turɓãya da condensate shiga sedimentation tankuna. The tattara ganimar Asusun samfurin da aka aika zuwa wani tanki inda yana samar lokaci-lokaci famfo da kuma fitarwa a motocin dakon.

Idan shigar GDS aiki matsa lamba kasa da 2 MPa, da tace ana kafa bayan 1st mataki raguwa. A irin wannan makirci saitin tace samar da jingine (tattaro kewaye line) na mataki na farko. The tace a cikin wannan hali an saita zuwa wani matsin lamba na 2.5 MPa. By kara gas mashiga ruwa matsa lamba na kan 2.5 MPa, da disconnecting na'urar a kewaye line aka rufe da gas ciyar a cikin line na 1st mataki raguwa. Bayan ta nassi gas ciyar da zuwa mataki na biyu, kuma bayan 2 minti - mai sallama bututun.

Idan rarraba tashar bukatar maye kayan aiki domin rage babban layin, kazalika da samar da gaggawa kayan kashe wannan layin da kuma bude kewaye line bayar da wani tuntube na'urar da wani rage bawul. Daidaitawa da gas kwarara kudi da kuma matsa lamba ne da za'ayi a cikin wannan harka da hannu.

The na'urar da sarrafa kansa gas rarraba tashar

Sarrafa kansa gas rarraba tashoshin da dama zažužžukan ga kayan aiki layout. Duk da haka, dole ne su duka a ɗauke shi zuwa lissafi kamar yadda wani hadarin hydrate samuwar kuma misãlin waje waje Runduna raguwa. Saboda haka, a cikin hunturu da hidima tashar ma'aikata da biya na musamman da hankali ga abubuwan da aka ambata a sama. Domin ya hana hydrate samuwar a cikin GDS amfani da gas dumama raka'a.

Dumama taro ya hada da hita, kuma tukunyar jirgi. Ruwa da aka kawota ga tukunyar jirgi daga wani musamman ganga, dace dumama ruwa a cikin tukunyar jirgi da aka yi da konewa na gas kawota ga GDS da kuma daukar kwayar cutar rage tsarin. Gas kuka na'ura tukunyar jirgi aiki a low gas matsa lamba. Don hana feed gas zuwa konewa a makera na tukunyar jirgi a matsa lamba fiye da kima da kafaffun iyakoki, akwai wani aminci na'urar. Saboda haka, gas wadata matsa lamba shigar da GDS ne directed farko don wanke tace a, sa'an nan zuwa ga preheater. A preheater aka preheated gas sakamakon gare cire hydrate. Akuma hita, dehumidified gas shiga yanke-line sa'an nan zuwa fitarwa bututun.

matakan tsaro

Don hana fashe da gobara a GDS kafa musamman raka'a don goya wari gas. Wadannan saituna an saita lokacin da babu gas shugaban Tsarin odorizing ko ta digiri na iyaka. Shigarwa na gas odorization kasu kashi kumfa, drip da lagwani. A karshen an kira har yanzu evaporating.

Aiki da na gas rarraba tashar

Ka'idar aiki na sarrafa kansa gas rarraba tashar tare da wani gida na tushen sabis ne kamar haka. A taron na gas fitarwa matsa lamba a kan ya halatta darajar, da haska ake saurare zuwa wani daraja, ya umurci da changeover bawul da wani lokaci daya jijjiga ma'aikatan tashar via wani sauti da haske yi sigina, sanya, a garkuwa.

A cikin akwati inda akwai wata karuwa daga cikin gas matsa lamba a kanti na SDG 5% a wuce haddi na maras muhimmanci matsa lamba darajar, daidai haska an tade. A sakamakon haka, sarrafa bawul a kan daya daga cikin aiki Lines raguwa fara rufe, game da shi, rage kanti matsa lamba na gas. Idan matsa lamba ba rage, shi zai aiki wani haska cewa zai fararwa da wani ko fiye da murfin domin gudãnar famfo har gaba daya cire haɗin duk line raguwa. A cikin hali na rage fitarwa matsa lamba ga 0,95R, da jiran aiki line aka bude.

fasaha yanayin

Duk da sauki daga cikin na'ura, da gas rarraba tashar bukatar a sauya su. Construction na gas rarraba tashoshin a mafi yawan lokuta da za'ayi a cikin 70s, a lokacin da bututun da aka aza dubban kilomita daga filayen a Siberia zuwa Turai masu amfani da, da kuma za'ayi taro gasification na ƙauyuka da kuma kamfanonin na Tarayyar Soviet. Kusan 34% na GDS bikin ta 30th ranar tunawa, 37% - a kan shekaru 10, kasa da kashi daya bisa uku na tashoshin suna sanye take da hanyoyin zamani karkashin shekaru 10. A lokacin, mun dauke da wani m shirin na fasaha sake kayan aiki da kuma sake gina gas rarraba tashoshin.