Labarai

Jimlar gyaran gyare-gyare na argon shine raba oxygen daga argon a cikin danyen argon don samun danyen argon tare da abun ciki na oxygen kasa da 1 × 10-6 kai tsaye, sa'an nan kuma raba shi da kyakkyawan argon don samun kyakkyawan argon tare da tsabta na 99.999%.

Tare da saurin haɓaka fasahar rabuwar iska da buƙatun kasuwa, ƙarin raka'o'in rabuwar iska suna ɗaukar tsarin samar da argon ba tare da hydrogen don samar da samfuran argon mai tsabta ba.Duk da haka, saboda rikitarwa na aikin samar da argon, yawancin rabe-raben iska tare da argon ba su ɗaga argon ba, kuma wasu raka'a a cikin tsarin tsarin argon ba su gamsu ba saboda canjin yanayin amfani da iskar oxygen da iyakancewar matakin aiki.Ta hanyar matakai masu sauƙi masu zuwa, mai aiki zai iya samun fahimtar asali na samar da argon ba tare da hydrogen ba!

Gudanar da tsarin samar da argon

* V766 a cikin cikakken tsarin buɗewa kafin fitar da babban ginshiƙi na argon cikin ginshiƙin argon mai kyau;Liquid busa da fitarwa bawuloli V753 da 754 a kasan danye argon hasumiya I (24 ~ 36 hours).

* Cikakken tsarin buɗewa argon fitar da babban hasumiya na argon Ina ma'anar bawul ɗin hasumiya na argon V6;Bawul ɗin fitar da iskar gas mara ƙarfi V760 a saman hasumiya ta argon;Madaidaicin hasumiya na argon, ruwa mai busawa a kasan madaidaicin ma'aunin argon, madaidaicin bawuloli V756 da V755 (ana iya aiwatar da hasumiya madaidaiciyar madaidaiciyar hasumiya ta argon a lokaci guda da hasumiya mai saurin sanyi).

Duba fam ɗin argon

* Tsarin sarrafa lantarki - wayoyi, sarrafawa da nuni daidai ne;

* Rufe gas - ko matsa lamba, kwarara, bututun mai daidai ne kuma baya zubewa;

* Jagoran jujjuyawar mota - motar batu, tabbatar da madaidaiciyar hanyar juyawa;

* Bututun bututu kafin da bayan famfon - duba don tabbatar da tsarin bututun yana da santsi.

Duba kayan aikin argon sosai

(1) Hasumiyar argon I, Rough argon hasumiya II juriya (+) (-) matsa lamba, mai watsawa da kayan aikin nuni daidai;

(2) Ko duk ma'aunin matakin ruwa (+) (-) bututun matsa lamba, mai watsawa da kayan nuni a cikin tsarin argon daidai ne;

(3) Ko bututun matsa lamba, mai watsawa da kayan aikin nuni daidai ne a duk wuraren matsa lamba;

(4) Ko da adadin kuzarin argon FI-701 (farantin Orifice yana cikin akwatin sanyi) (+) (-) bututun matsa lamba, mai watsawa da kayan nuni daidai;

⑤ Bincika ko duk bawuloli na atomatik da daidaita su da haɗin kai daidai ne.

Daidaita yanayin aikin babban hasumiya

* Haɓaka samar da iskar oxygen a ƙarƙashin yanayin tabbatar da tsabtar oxygen;

* Sarrafa ƙananan ginshiƙan ruwa mai wadatar oxygen mara komai 36 ~ 38% (ruwa nitrogen yana ƙuntatawa cikin bawul ɗin shafi na sama V2);

* Rage adadin faɗaɗa a ƙarƙashin yanayin tabbatar da babban matakin ruwan sanyi.

Liquid a cikin babban ginshiƙin argon

* A kan yanayin ci gaba da yin sanyi har sai zazzabi na hasumiyar argon ba ta faɗowa ba (an rufe bawul ɗin busawa da fitarwa), iskan ruwa ya ɗan buɗe kaɗan (na ɗan lokaci) kuma yana gudana cikin bawul ɗin evaporator V3 na babban hasumiya na argon. Na sanya na'urar na'ura ta danyen hasumiya ta argon ta yi aiki a lokaci guda don samar da ruwa mai gudu, kwantar da marufi na hasumiya na argon na sosai kuma na tara a cikin kasan hasumiya;

Tukwici: Lokacin buɗe bawul ɗin V3 a karon farko, kula da hankali sosai ga canjin matsa lamba na PI-701 kuma kada ku yi ƙarfi (≤ 60kPa);Kashe matakin ruwa LIC-701 a kasan hasumiya ta danyen argon I daga karce.Da zarar ya tashi zuwa 1500mm ~ cikakken kewayon sikelin, dakatar da precooling kuma rufe bawul V3.

Precooling argon famfo

* Tsaya bawul kafin buɗe famfo;

* Busa bawul ɗin V741 da V742 kafin buɗe famfo;

* Buɗewa kaɗan (na ɗan lokaci) famfo bayan busa bawul V737, V738 har sai an ci gaba da fitar da ruwa.

Tukwici: Ana gudanar da wannan aikin a ƙarƙashin jagorancin mai samar da famfo argon a karon farko.Matsalar tsaro don hana sanyi.

Fara famfo argon

* Cikakkun buɗe bawul ɗin dawowa bayan famfo, cikakken rufe bawul ɗin tsayawa bayan famfo;

* Fara famfo argon kuma cikakke buɗe bawul tasha ta baya na famfon argon;

* Lura cewa ya kamata a daidaita karfin famfo a 0.5 ~ 0.7Mpa (G).

Tushen argon

(1) Bayan fara famfo argon kuma kafin buɗe bawul ɗin V3, matakin ruwa na LIX-701 zai ragu ci gaba saboda asarar ruwa.Bayan fara famfo na argon, ya kamata a buɗe bawul ɗin V3 da wuri-wuri don yin aikin na'ura na hasumiya na argon kuma ya samar da ruwa mai gudu.

(2) V3 buɗaɗɗen bawul ɗin dole ne ya kasance a hankali sosai, in ba haka ba babban yanayin hasumiya zai haifar da manyan sauye-sauye, yana shafar tsabtar iskar oxygen, hasumiya ta ɗanyen argon bayan aiki don buɗe bawul ɗin isar da famfon argon (buɗe ya dogara da matsa lamba na famfo), ƙarshe na ƙarshe. bawul ɗin bayarwa da bawul ɗin dawowa don daidaita matakin ruwa na FIC-701;

(3) Ana lura da juriya na ginshiƙan ɗanyen argon guda biyu.Juriya na al'ada danyen argon shafi II shine 3kPa kuma na danyen argon shafi na 6kPa.

(4) Ya kamata a lura da yanayin aiki na babban hasumiya a hankali lokacin da aka sanya danyen argon.

(5) Bayan juriya ta al'ada, ana iya kafa babban yanayin hasumiya bayan dogon lokaci, kuma duk ayyukan da ke sama ya kamata su kasance ƙanana da jinkirin;

(6) Bayan juriya na tsarin tsarin argon na farko shine al'ada, abun ciki na oxygen na tsarin argon ya kai ga ma'auni na ~ 36 hours;

(7) A matakin farko na aikin shafi na argon, ya kamata a rage yawan adadin aikin argon (15 ~ 40m³ / h) don inganta tsabta.Lokacin da tsarki yana kusa da al'ada, ya kamata a ƙara yawan adadin tsarin argon (60 ~ 100m³ / h).In ba haka ba, rashin daidaituwa na ginshiƙi na ginshiƙan argon zai iya sauƙaƙe yanayin aiki na babban ginshiƙi.

Rukunin argon mai tsabta

(1) Bayan da abun ciki na oxygen na tsari argon al'ada ne, da V6 bawul ya kamata a hankali bude don juya saukar da V766 da tsari argon da aka gabatar a cikin lafiya argon hasumiya;

(2) da ruwa nitrogen tururi bawul V8 na argon hasumiya ne cikakken bude ko jefa ta atomatik don sarrafa nitrogen gefen matsa lamba PIC-8 na condensing evaporator na argon hasumiya a 45kPa;

(3) sannu a hankali buɗe nitrogen na ruwa a cikin bututun evaporator bawul V5 na ginshiƙi na argon don ƙara nauyin aiki na ma'aunin ma'aunin argon;

(4) Lokacin da aka buɗe V760 da kyau, ana iya buɗe shi gabaɗaya a matakin farko na hasumiya na madaidaicin argon.Bayan aiki na yau da kullun, ana iya sarrafa kwararar iskar gas ɗin da ba ta da ƙarfi daga saman hasumiya na madaidaicin argon a cikin 2 ~ 8m³ / h.

Matsanancin matsa lamba na PIC-760 daidaitaccen hasumiya na argon yana da sauƙin bayyana lokacin da yanayin aiki ya ɗan bambanta.Matsanancin matsa lamba zai haifar da rigar iska a waje da akwatin sanyi da za a tsotse a cikin hasumiya na argon daidai, kuma kankara zai daskare a kan bangon bututu da saman mai musayar zafi, yana haifar da toshewa.Saboda haka, ya kamata a kawar da mummunan matsa lamba (sarrafa budewar V6, V5 da V760).

(6) Lokacin da matakin ruwa a kasa na madaidaicin hasumiya na argon shine ~ 1000mm, dan kadan bude hanyar bawul na hanyar nitrogen V707 da V4 na reboiler a kasan madaidaicin hasumiya ta argon, kuma sarrafa budewa bisa ga halin da ake ciki.Idan buɗewa ya yi girma sosai, za a ƙara matsa lamba na PIC-760, wanda zai haifar da raguwar ƙimar tsarin argon Fi-701.Yana da kyau a sarrafa PIC-760 madaidaicin hasumiya na hasumiya na argon a 10 ~ 20kPa idan an buɗe shi kaɗan.

Daidaita abun ciki na argon juzu'i

Abubuwan da ke cikin argon a cikin juzu'in argon yana ƙayyade ƙimar haɓakar argon kuma kai tsaye yana shafar yawan amfanin samfuran argon.Argon da ya dace ya ƙunshi 8 ~ 10% argon.Abubuwan da ke shafar abun ciki na argon na sassan argon sun fi yawa kamar haka:

* Samar da iskar oxygen - mafi girma da samar da iskar oxygen, mafi girma abun ciki na argon a cikin juzu'in argon, amma ƙananan tsabtataccen iskar oxygen, mafi girman abun ciki na nitrogen a cikin iskar oxygen, mafi girma hadarin toshe nitrogen;

* Ƙarar iska mai faɗaɗa - ƙarami ƙarar ƙarar iska, mafi girman abun ciki na argon na juzu'in argon, amma ƙaramin ƙarar iska mai haɓaka, ƙaramar fitowar samfurin ruwa;

* Adadin juzu'in juzu'i na Argon - Yawan kwararar juzu'i na Argon shine nauyin ginshiƙin ɗanyen argon.Ƙaramin ƙarami, mafi girman abun ciki na argon juzu'in juzu'i, amma ƙarami ƙarami, ƙarami na samar da argon.

Daidaita samar da Argon

Lokacin da tsarin argon yayi aiki daidai kuma a al'ada, ya zama dole don daidaita fitar da samfurin argon don isa yanayin ƙira.Za a yi gyaran gyare-gyare na babban hasumiya daidai da Sashe na 5. Ƙwararren ƙwayar argon ya dogara da budewa na V3 bawul da kuma tafiyar da tsarin argon ya dogara da budewar V6 da V5.Ka'idar daidaitawa ya kamata ya kasance a hankali kamar yadda zai yiwu!Hakanan zai iya ƙara buɗe kowane bawul da kawai 1% kowace rana, don yanayin aiki zai iya fuskantar canjin tsarin tsarkakewa, canjin amfani da iskar oxygen da canjin wutar lantarki.Idan tsarkin iskar oxygen da argon na al'ada ne kuma yanayin aiki ya tabbata, za'a iya ci gaba da karuwa.Idan yanayin aiki yana da hali don yin muni, yana nuna cewa yanayin aiki ya kai iyakarsa kuma ya kamata a gyara shi baya.

Maganin toshe nitrogen

Menene toshe nitrogen?Nauyin mai fitar da iska yana raguwa ko ma yana daina aiki, kuma juriyar juriya na hasumiya na argon yana raguwa har zuwa 0, kuma tsarin argon ya daina aiki.Wannan al'amari shi ake kira nitrogen plug.Kula da kwanciyar hankali yanayin aiki na babban hasumiya shine mabuɗin don guje wa maƙarƙashiyar nitrogen.

* Maganin toshe nitrogen kaɗan: cikakken buɗe V766 da V760 kuma daidai ya rage samar da iskar oxygen.Idan juriya za a iya daidaitawa, duk tsarin zai iya ci gaba da aiki na yau da kullum bayan da nitrogen da ke shiga tsarin argon ya ƙare;

* tsanani na nitrogen magani: da zarar bayyana m hawa da sauka a cikin danyen argon juriya, da kuma a cikin wani gajeren lokaci zuwa 0, ya nuna cewa aiki yanayin argon hasumiya rugujewa, a wannan lokaci ya zama cikakken bude V766, V760, zaune argon famfo aika. fitar da bawul, sa'an nan cikakken bude bayan argon famfo backflow mai hanawa, zaune V3, kokarin yin ruwa argon hasumiya a argon hasumiya, domin kauce wa kara lalacewar oxygen tsarki dace saukar oxygen samar, kamar aiki yanayin da babban hasumiya a cikin argon. hasumiya kuma bayan ya dawo normal.

Kyakkyawan kula da yanayin aiki na tsarin argon

① Bambancin wurin tafasa tsakanin oxygen da nitrogen yana da girma sosai saboda wuraren tafasa na oxygen da argon suna kusa da juna.Dangane da wahalar raguwa, wahalar daidaita argon ya fi girma fiye da daidaita iskar oxygen.Tsabtace iskar oxygen a cikin argon na iya isa ga ma'auni a cikin sa'o'i 1 ~ 2 bayan an kafa juriya na ginshiƙai na sama da na ƙasa, yayin da tsabtar oxygen a cikin argon na iya isa daidaitattun a cikin sa'o'i 24 ~ 36 bayan aiki na yau da kullun bayan juriya na An kafa ginshiƙai na sama da na ƙasa.

(2) Tsarin argon yana da wuyar ginawa kuma yana da sauƙin rushewa a cikin yanayin aiki, tsarin yana da rikitarwa kuma lokacin cirewa yana da tsawo.Filogin nitrogen na iya bayyana a cikin ɗan gajeren lokaci a cikin yanayin aiki idan akwai wani rashin kulawa.Zai ɗauki kimanin sa'o'i 10 ~ 15 don tabbatar da juriya na ginshiƙan argon don isa daidaitaccen tsabta na oxygen a cikin argon idan ana iya aiwatar da aikin bisa ga ka'idar 13 daidai don tabbatar da adadin abubuwan da aka tara argon a cikin shafi na argon.

(3) Mai aiki ya kamata ya saba da tsarin, kuma yana da wani hangen nesa a cikin tsarin cirewa.Kowane ƙananan gyare-gyare na tsarin argon zai ɗauki lokaci mai tsawo don nunawa a cikin yanayin aiki, kuma yana da kyau a yi amfani da shi akai-akai da kuma daidaita yanayin aiki sosai, don haka yana da matukar muhimmanci a kiyaye hankali da kwanciyar hankali.

(4) Yawan haɓakar haɓakar argon yana shafar abubuwa da yawa.Saboda aikin elasticity na tsarin argon yana da ƙananan, ba shi yiwuwa a shimfiɗa elasticity na aiki sosai a cikin ainihin aiki, kuma canjin yanayin aiki ba shi da kyau ga ƙimar hakar.Masana'antar sinadarai, narkewar da ba ta da ƙarfe da sauran kayan aiki tare da ƙimar haɓakar iskar oxygen ta kasance barga fiye da amfani da ƙarfe na ƙarfe na oxygen mafi girma;The argon hakar kudi na mahara iska rabuwa cibiyoyin sadarwa a steelmaking masana'antu ne mafi girma fiye da na guda iska rabuwa oxygen wadata.Matsakaicin hakar argon tare da babban rabuwar iska ya fi girma fiye da wanda ke da ƙananan rabuwar iska.Adadin hakar na babban matakin aiki a hankali ya fi na ƙananan matakin aiki.Babban matakin kayan aiki na tallafi yana da ƙimar haɓakar argon mai girma (kamar ingancin faɗaɗawa, bawul ɗin atomatik, daidaiton kayan aikin nazari, da sauransu).