Masana'antar China don China Tsarin Karamin Tsarin da aka ƙera da cikakken walda wanda aka yi amfani da shi a cikin rarrabuwar Ngl

Masana'antar China don China Tsarin Karamin Tsarin da aka welded Cikakken Welded Plate Heat Exchanger da ake amfani da shi a cikin Ngl Fractionation,
Sin ta rage yawan sinadarin hydrogen, Tsarkakewar Iskar Gas ta Coke,

Tsarin fasaha

Matsewa da Juyawa Iskar Gas ta Halitta

Da farko ana matsa iskar gas ɗin da ke wajen iyakar baturi zuwa 1.6Mpa ta hanyar matsewa, sannan a dumama shi zuwa kimanin 380 ℃ ta hanyar na'urar dumama iskar gas a cikin sashin convection na tanderun gyaran tururi, sannan a shiga na'urar cire sulfur don cire sulfur a cikin iskar gas ɗin da ke ƙasa da 0.1ppm. Iskar gas ɗin da aka cire da kuma sarrafa tururi (3.0mpaa). Daidaita na'urar dumama iskar gas ɗin da aka haɗa bisa ga ƙimar atomatik ta H2O / ∑ C = 3 ~ 4, ƙara dumama shi zuwa fiye da 510 ℃, kuma daidai lokacin da aka shiga bututun juyawa daga babban bututun tara iskar gas na sama da bututun pigtail na sama. A cikin layin catalyst, methane yana amsawa da tururi don samar da CO da H2. Zafin da ake buƙata don canza methane ana samar da shi ta hanyar cakuda mai da aka ƙone a ƙasan mai ƙonawa. Zafin iskar gas ɗin da aka canza daga tanderun gyaran shine 850 ℃, kuma babban zafin jiki yana canzawa zuwa babban zafin jiki. Iskar sinadarai tana shiga gefen bututun tukunyar zafi na sharar gida don samar da tururi mai cike da 3.0mpaa. Zafin iskar gas mai juyawa daga tukunyar zafi ta sharar gida yana raguwa zuwa 300 ℃, sannan iskar gas mai juyawa tana shiga cikin na'urar dumama ruwa ta tukunya, na'urar sanyaya ruwa ta gas mai juyawa da na'urar raba ruwa ta gas don raba condensate daga na'urar sanyaya ruwa, sannan ana aika iskar gas mai juyawa zuwa PSA.

Iskar gas a matsayin mai tana gauraya da iskar gas mai rage matsin lamba, sannan ana daidaita yawan iskar gas da ke cikin na'urar dumama iskar gas bisa ga zafin iskar gas da ke fitowa daga madatsar wutar lantarki. Bayan daidaita kwararar ruwa, iskar gas ɗin tana shiga cikin babban injin ƙona wuta don ƙonewa don samar da zafi ga tanderun gyaran.
Ruwan da aka tace yana sanyaya ta hanyar na'urar dumama ruwa da aka tace da kuma na'urar dumama ruwa ta tukunya sannan ya shiga cikin tururin da aka tace na'urar dumama ruwa da kuma na'urar dumama ruwa ta sharar iskar gas.
Domin a cika buƙatun ruwan da ke cikin tukunyar, za a ƙara ƙaramin adadin sinadarin phosphate da deoxidizer don inganta scaling da tsatsa na ruwan tukunyar. Gangar za ta ci gaba da fitar da wani ɓangare na ruwan tukunyar don sarrafa jimillar daskararrun ruwan tukunyar da ke cikin gangar.

Shaƙar matsi mai ƙarfi

PSA ta ƙunshi hasumiyoyin shawa guda biyar. Hasumiyar shawa ɗaya tana cikin yanayin shawa a kowane lokaci. Abubuwan da ke cikinta kamar methane, carbon dioxide da carbon monoxide a cikin iskar gas ɗin da ke juyawa suna kan saman mai shawa. Ana tattara hydrogen daga saman hasumiyar shawa a matsayin abubuwan da ba sa shawa sannan a aika su daga iyaka. Mai shawa da aka cika da abubuwan da ba su da tsabta ana cire shi daga mai shawa ta hanyar matakin sake farfaɗowa. Bayan an tattara shi, ana aika shi zuwa tanderun gyara a matsayin mai. Matakan sake farfaɗowa na hasumiyar shawa sun ƙunshi matakai 12: faɗuwa ta farko, faɗuwa ta biyu, faɗuwa ta uku, fitar gaba, fitar da ruwa, fitar ruwa, tashi ta uku, tashi ta biyu, tashi ta biyu, tashi ta farko da tashi ta ƙarshe. Bayan sake farfaɗowa, hasumiyar shawa tana iya magance iskar da aka canza da samar da hydrogen. Hasumiyoyin shawa guda biyar suna juyawa don aiwatar da matakan da ke sama don tabbatar da ci gaba da magani. Manufar canza iskar gas da ci gaba da samar da hydrogen a lokaci guda.

Halayen na'ura

Tsarin da aka ɗora a kan skid ya canza yanayin shigarwa na gargajiya a wurin. Ta hanyar sarrafawa, samarwa, samar da bututu da kuma samar da skid a cikin kamfanin, an cimma dukkan tsarin sarrafa kayan aiki, gano lahani da gwajin matsin lamba a cikin kamfanin, wanda ke magance haɗarin sarrafa inganci da ginin mai amfani ke haifarwa, kuma da gaske yana cimma dukkan tsarin sarrafa inganci.

Duk kayayyakin an saka su a cikin kamfanin. An amince da ra'ayin kera su a masana'antar. Bayan an tabbatar da ingancin masana'antar, ana wargaza su bisa ga tsarin wargaza su sannan a aika su zuwa wurin mai amfani don sake haɗa su. Girman ginin da ake yi a wurin ba shi da yawa kuma tsarin ginin bai yi yawa ba.

Matsayin sarrafa kansa yana da matuƙar girma. Ana iya sa ido sosai da sarrafa aikin na'urar ta hanyar tsarin sama, kuma ana iya loda mahimman bayanai zuwa sabar girgije a ainihin lokacin don gano nesa, don a cimma nasarar sarrafa na'urar ba tare da matuƙi ba a wurin.

Motsi na na'urar yana da ƙarfi sosai. Dangane da takamaiman yanayin aikin, ana iya mayar da na'urar zuwa wani wuri kuma a yi amfani da ita bayan an sake sanya ta a kan wani abu, don a sake amfani da kayan aikin da kuma tabbatar da fa'idar ƙimar kayan aikin.

Dangane da buƙatar hydrogen na tashar hydrogenation, aiwatar da ƙirar tsari na yau da kullun da ƙa'idar haɗakarwa bisa ga tsarin aiki don cimma daidaiton samar da samfura da kuma samar da samfuran jerin yau da kullun, wanda ya dace da sarrafa kayan aiki na mai amfani, kayan gyara na gama gari da rage farashin aiki na na'urar.

A taƙaice dai, sashen samar da iskar gas mai siffar skid mounted hydrogen shine mafi dacewa da tushen hydrogen don aiki a nan gaba na tashar hydrogenation.

Sashen cire sinadarin nitrogen daga iskar gas don shirya watsa bututun mai. A cewar bayanan Cibiyar Bincike ta Iskar gas, kashi 17% na iskar gas a Amurka suna dauke da sinadarin nitrogen mai yawa. Yawancin ka'idojin bututun suna buƙatar sinadarin nitrogen a cikin iskar gas ya zama ƙasa da kashi 4%. Iskar gas mai yawan nitrogen tana makale ne saboda ba za a iya jigilar ta zuwa kasuwa ta hanyar bututun mai ba. Idan akwai sinadarin nitrogen da yawa a cikin bututun mai, akwai haɗarin toshewar iskar gas ko kuma ƙonewa mara kyau. Nitrogen kuma yana rage ƙimar kuzarin iskar gas, wanda ke haifar da raguwar BTU da ƙimarsa.
Saboda nitrogen (N2) da methane (CH4) suna da girman kwayoyin halitta iri ɗaya da ƙarancin ma'aunin dielectric, da kuma rashin zaɓin amsawa, kamar carbon dioxide ko hydrogen sulfide a cikin raka'o'in amine, demitrification rabuwa ce mai wahala ta fasaha.