Zagayawar Hydrogen da Alkali a cikin Alkaline Electrolyzer Ruwa Electrolysis Tsarin Samar da Hydrogen

A cikin tsarin samar da hydrogen na alkaline electrolyzer, yadda za a sa na'urar ta yi aiki yadda ya kamata, ban da ingancin electrolyzer ɗin kanta, wanda yawan zagayawar lye na saitin shima muhimmin abu ne mai tasiri.

Kwanan nan, a taron musayar fasahar samar da iskar gas ta Hukumar Masana'antu ta Sin, Huang Li, shugaban Shirin Aiki da Kula da Hydrogen na Ruwan Hydrogen Electrolysis, ya raba mana gogewarmu kan daidaita yawan zagayawar hydrogen da lye a cikin ainihin gwajin da aiki da kulawa.

Ga takardar asali.

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A bayan dabarun ƙasa mai amfani da iskar carbon mai ƙarfi, Ally Hydrogen Energy Technology Co., Ltd, wacce ta ƙware a fannin samar da hydrogen tsawon shekaru 25 kuma ita ce ta farko da ta shiga cikin fannin makamashin hydrogen, ta fara faɗaɗa ci gaban fasahar hydrogen mai kore da kayan aiki, gami da ƙirar tankunan lantarki masu gudu, kera kayan aiki, sanya farantin lantarki, da kuma gwajin tankunan lantarki da aiki da kulawa.

ƊayaKa'idar Aiki na Alkaline Electrolyzer

Ta hanyar wucewar wutar lantarki kai tsaye ta cikin na'urar lantarki da aka cika da electrolyzer, kwayoyin ruwa suna amsawa ta hanyar lantarki ta hanyar lantarki akan na'urorin lantarki sannan su rikide zuwa hydrogen da oxygen. Domin haɓaka kwararar wutar lantarki ta electrolyte, electrolyte gabaɗaya shine ruwan da ke ɗauke da sinadarin potassium hydroxide 30% ko kuma sodium hydroxide 25%.

Injin lantarki ya ƙunshi ƙwayoyin lantarki da yawa. Kowace ɗakin lantarki ya ƙunshi cathode, anode, diaphragm da electrolyte. Babban aikin diaphragm shine hana shigar iskar gas. A cikin ƙasan electrolyzer akwai hanyar shiga da fita ta gama gari, ɓangaren sama na cakuda ruwa-ruwa na alkali da oxy-alkali. An wuce zuwa wani ƙarfin lantarki na kai tsaye, lokacin da ƙarfin lantarki ya wuce ƙarfin rushewar ka'idar ruwa 1.23v da ƙarfin lantarki mai tsaka tsaki na thermal 1.48V sama da wani ƙima, electrode da redox reaction na haɗin ruwa suna faruwa, ruwa ya zama hydrogen da oxygen.

Biyu Yadda ake yaɗa lye

1️⃣Hydrogen, Oxygen Gefen Lye Cakuda Zagaye

A cikin wannan nau'in zagayawar ruwa, ruwan zai shiga famfon zagayawar ruwa ta hanyar bututun da ke haɗa ruwa a ƙasan mai raba hydrogen da mai raba oxygen, sannan ya shiga ɗakunan cathode da anode na electrolyzer bayan sanyaya da tacewa. Fa'idodin zagayawar ruwa mai gauraya sune tsari mai sauƙi, tsari mai gajarta, ƙarancin farashi, kuma yana iya tabbatar da girman zagayawar ruwa mai gauraya cikin ɗakunan cathode da anode na electrolyzer; rashin amfani shine a gefe ɗaya, yana iya shafar tsarkin hydrogen da oxygen, kuma a gefe guda, yana iya sa matakin mai raba hydrogen da oxygen ya ɓace, wanda zai iya haifar da ƙaruwar haɗarin haɗa hydrogen da oxygen. A halin yanzu, ɓangaren hydrogen da oxygen na zagayawar ruwa shine tsari mafi yawan gaske.

2️⃣ Zagayawa daban na sinadarin hydrogen da iskar oxygen

Wannan nau'in zagayawar ruwa yana buƙatar famfunan zagayawar ruwa guda biyu, wato zagayawar ruwa guda biyu na ciki. Zagayawar ruwa a ƙasan mai raba hydrogen ya ratsa ta famfunan zagayawar ruwa na gefen hydrogen, sannan a sanyaya a tace, sannan a shiga ɗakin cathode na mai raba oxygen; zayayyar ruwa a ƙasan mai raba oxygen ta ratsa ta famfon zagayawar ruwa na gefen oxygen, a sanyaya a tace, sannan a shiga ɗakin anode na mai raba oxygen. Fa'idar zagayawar ruwa mai zaman kansa ta hanyar amfani da wutar lantarki ita ce hydrogen da iskar oxygen da electrolysis ke samarwa suna da tsarki sosai, suna guje wa haɗarin haɗa hydrogen da oxygen mai raba oxygen; rashin amfanin shine tsarin da tsarin suna da rikitarwa kuma suna da tsada, kuma yana da mahimmanci a tabbatar da daidaiton saurin kwarara, kai, iko da sauran sigogi na famfunan a ɓangarorin biyu, wanda ke ƙara sarkakiyar aikin, kuma yana gabatar da buƙatar sarrafa daidaiton ɓangarorin biyu na tsarin.

Tasirin kwararar ruwa mai zagayawa guda uku akan samar da hydrogen ta hanyar ruwan electrolytic da yanayin aikin electrolyzer

1️⃣Yawan zagayawa na ruwan leya

(1) Tasiri kan tsarkin hydrogen da iskar oxygen

Saboda hydrogen da oxygen suna da wani ƙarfi na narkewa a cikin ruwan leda, yawan zagayawar jini ya yi yawa har jimlar hydrogen da oxygen da aka narkar ya ƙaru ya shiga kowace ɗaki tare da ruwan leda, wanda ke sa tsarkin hydrogen da oxygen ya ragu a cikin fitar da ruwan leda; girman zagayawar jini ya yi yawa don haka lokacin riƙewa na mai raba ruwa na hydrogen da oxygen ya yi gajere, kuma iskar gas ɗin da ba a raba ta gaba ɗaya ba za a dawo da ita cikin ruwan leda tare da ruwan leda, wanda ke shafar ingancin amsawar electrochemical na electrolyzer da tsarkin hydrogen da oxygen, kuma hakan zai shafi ingancin amsawar electrochemical a cikin ruwan leda da tsarkin hydrogen da oxygen, kuma hakan zai shafi ikon kayan aikin tsarkake hydrogen da oxygen don cire hydrogen da deoxygenate, wanda ke haifar da mummunan tasirin tsarkake hydrogen da oxygen da kuma shafar ingancin samfura.

(2) Tasiri akan zafin tanki

A ƙarƙashin yanayin cewa zafin fitar da mai sanyaya lye ba ya canzawa, yawan kwararar lye zai ɗauke ƙarin zafi daga electrolyzer, wanda ke haifar da raguwar zafin tankin da kuma ƙaruwar ƙarfinsa.

(3) Tasiri akan wutar lantarki da ƙarfin lantarki

Yawan zagayawa na ruwa zai shafi daidaiton wutar lantarki da wutar lantarki. Yawan kwararar ruwa zai tsoma baki ga canjin wutar lantarki da wutar lantarki na yau da kullun, wanda hakan zai sa wutar lantarki da wutar lantarki ba su da sauƙin daidaitawa, wanda hakan ke haifar da sauye-sauye a yanayin aiki na kabad ɗin gyara da na'urar canza wutar lantarki, wanda hakan ke shafar samar da hydrogen da ingancinsa.

(4) Ƙara yawan amfani da makamashi

Yawan zagayawar ruwa a jiki na iya haifar da ƙaruwar amfani da makamashi, ƙaruwar farashin aiki da kuma rage ingancin makamashin tsarin. Musamman ma a cikin ƙaruwar tsarin zagayawar ruwa mai sanyaya jiki da feshi da fanka na waje, yawan ruwan sanyi, da sauransu, ta yadda yawan amfani da wutar lantarki ke ƙaruwa, jimillar amfani da makamashi yana ƙaruwa.

(5) Sanadin lalacewar kayan aiki

Yawan zagayawar ruwa a cikin famfon ruwan a cikin ruwa yana ƙara nauyin da ke kan famfon ruwan a cikin ruwa, wanda ya yi daidai da ƙaruwar kwararar ruwa, matsin lamba da canjin zafin jiki a cikin na'urar lantarki, wanda hakan ke shafar na'urorin lantarki, diaphragms da gaskets a cikin na'urar lantarki, wanda zai iya haifar da matsala ko lalacewa ta kayan aiki, da kuma ƙaruwar aikin da ake yi don gyarawa da gyarawa.

2️⃣ Zagayawar ruwa ta yi ƙanƙanta sosai

(1) Tasiri akan zafin tanki

Idan yawan ruwan da ke zagayawa a cikin ruwa bai isa ba, ba za a iya ɗauke zafi a cikin na'urar lantarki ba da lokaci, wanda ke haifar da ƙaruwar zafin jiki. Yanayin zafi mai yawa yana sa matsin lamba mai cike da tururi na ruwa a lokacin iskar gas ya tashi kuma yawan ruwan ya ƙaru. Idan ba za a iya tarawa ruwan yadda ya kamata ba, zai ƙara nauyin tsarin tsarkakewa kuma ya shafi tasirin tsarkakewa, kuma zai kuma shafi tasirin da tsawon rayuwar mai kara kuzari da mai sha.

(2) Tasiri ga rayuwar diaphragm

Ci gaba da yanayin zafi mai yawa zai hanzarta tsufan diaphragm, ya sa aikinsa ya ragu ko ma ya fashe, wanda hakan zai iya haifar da iskar hydrogen da iskar oxygen a ɓangarorin biyu, wanda hakan zai shafi tsarkin hydrogen da iskar oxygen. Lokacin da iskar hydrogen ta shiga kusa da ƙasan iyakar fashewar ta yadda yuwuwar haɗarin electrolyzer ya ƙaru sosai. A lokaci guda, yawan zafin jiki mai ci gaba zai kuma haifar da lalacewar ɓuya ga gasket ɗin rufewa, wanda hakan zai rage tsawon lokacin aikinsa.

(3) Tasiri akan na'urorin lantarki

Idan yawan ruwan leda da ke zagayawa ya yi ƙanƙanta, iskar da ake samarwa ba za ta iya barin tsakiyar wutar lantarki da sauri ba, kuma ingancin wutar lantarki zai shafi; idan wutar lantarki ba za ta iya haɗuwa gaba ɗaya da ruwan leda ba don aiwatar da aikin wutar lantarki, za a sami matsala wajen fitar da ruwa daga wani ɓangare da kuma ƙonewa da bushewa, wanda hakan zai hanzarta zubar da sinadarin catalyst akan wutar lantarki.

(4) Tasiri akan ƙarfin lantarki na tantanin halitta

Adadin ruwan da ke zagayawa a cikin ruwa ya yi ƙanƙanta, domin ba za a iya cire kumfa hydrogen da oxygen da aka samar a tsakiyar wutar lantarki cikin lokaci ba, kuma adadin iskar gas da ke narkewa a cikin wutar lantarki yana ƙaruwa, yana haifar da ƙaruwar ƙarfin wutar lantarki na ƙaramin ɗakin da kuma ƙaruwar amfani da wutar lantarki.

Hanyoyi Huɗu don tantance mafi kyawun ƙimar kwararar ruwan leya

Domin magance matsalolin da ke sama, ya zama dole a ɗauki matakai masu dacewa, kamar duba tsarin zagayawar ruwa akai-akai don tabbatar da aikinsa na yau da kullun; kiyaye yanayin zubar da zafi mai kyau a kusa da na'urar lantarki; da kuma daidaita sigogin aiki na na'urar lantarki, idan ya cancanta, don guje wa faruwar yawan zagayawar ruwa da yawa ko ƙarami.

Ya kamata a ƙayyade mafi kyawun ƙimar kwararar ruwan leya bisa ga takamaiman sigogin fasaha na electrolyzer, kamar girman electrolyzer, adadin ɗakunan, matsin lamba na aiki, zafin amsawa, samar da zafi, yawan ruwan leya, mai sanyaya ruwan leya, mai raba hydrogen-oxygen, yawan ruwan leya, tsarkin iskar gas da sauran buƙatu, kayan aiki da juriyar bututu da sauran abubuwa.

Sigogi na Fasaha Girman:

girma dabam dabam 4800x2240x2281mm

jimillar nauyi 40700Kg

Girman ɗakin mai inganci1830, Adadin ɗakuna 238

Yawan wutar lantarki 5000A/m²

Matsin aiki 1.6Mpa

zafin jiki na amsawa 90℃±5℃

Saiti ɗaya na ƙarfin hydrogen na samfurin electrolyzer 1300Nm³/h

Iskar Oxygen 650Nm³/h

wutar lantarki kai tsaye n13100A, ƙarfin lantarki na dc 480V

Mai sanyaya Lye Φ700x4244mm

Yankin musayar zafi 88.2m²

Mai raba hydrogen da iskar oxygen Φ1300x3916mm

Mai raba iskar oxygen Φ1300x3916mm

Yawan sinadarin potassium hydroxide 30%

Ƙimar juriyar ruwa mai tsabta > 5MΩ · cm

Alaƙa tsakanin maganin potassium hydroxide da electrolyzer:

Yi ruwa mai tsafta wanda ke aiki da iskar hydrogen da oxygen, sannan a cire zafi. Ana amfani da ruwan sanyaya don sarrafa zafin ruwan don zafin sinadarin electrolyzer ya kasance mai daidaito, kuma ana amfani da samar da zafi na electrolyzer da ruwan sanyaya don daidaita daidaiton zafi na tsarin don cimma mafi kyawun yanayin aiki da kuma mafi kyawun sigogin aiki masu adana kuzari.

Dangane da ainihin ayyukan da ake yi:

Sarrafa ƙarar zagayawar jini a 60m³/h，

Ruwan sanyaya yana gudana a kusan kashi 95%,

Ana sarrafa zafin amsawar electrolyzer a 90°C a cikakken kaya,

Mafi kyawun yanayin amfani da wutar lantarki ta DC shine 4.56 kWh/Nm³H₂.

Biyartaƙaita

A taƙaice, yawan zagayawar ruwa na lye muhimmin siga ne a cikin tsarin samar da hydrogen ta hanyar electrolysis na ruwa, wanda ke da alaƙa da tsarkin iskar gas, ƙarfin wutar lantarki na ɗakin, zafin lantarki da sauran sigogi. Ya dace a sarrafa zagayawar ruwa sau 2 ~ 4/h/min na maye gurbin lye a cikin tanki. Ta hanyar sarrafa zagayawar ruwa yadda ya kamata, yana tabbatar da ingantaccen aiki da aminci na kayan aikin samar da hydrogen na lantarki na ruwa na dogon lokaci.

A cikin tsarin samar da hydrogen ta hanyar electrolysis na ruwa a cikin alkaline electrolyzer, inganta sigogin yanayin aiki da ƙirar mai gudu na electrolyzer, tare da kayan lantarki da zaɓin kayan diaphragm sune mabuɗin ƙara yawan wutar lantarki, rage ƙarfin tanki da adana amfani da makamashi.

——Tuntube Mu——

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