Hydrogen ndi Alkali Circulation mu Alkaline Electrolyzer Water Electrolysis Hydrogen Production Process

Mu alkaline electrolyzer hydrogen kupanga ndondomeko, mmene chipangizo kuthamanga khola ntchito, kuwonjezera pa khalidwe la electrolyzer palokha, imene lye kufalitsidwa kuchuluka kwa zoikamo ndi yofunika kwambiri chikoka.

Posachedwapa, ku China Industrial Gases Association Hydrogen Professional Committee's Safety Production Technology Exchange Meeting, Huang Li, wamkulu wa Hydrogen Water Electrolysis Hydrogen Operation and Maintenance Programme, adagawana zomwe takumana nazo pakusintha kwa voliyumu ya hydrogen ndi lye pakuyesa kwenikweni ndi magwiridwe antchito ndi kukonza.

Zotsatirazi ndi pepala loyambirira.

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Pansi pa njira dziko wapawiri mpweya mpweya, Ally Hydrogen Energy Technology Co., Ltd, amene wakhala apadera kupanga haidrojeni kwa zaka 25 ndipo anali woyamba kutenga nawo mbali m'munda wa mphamvu ya haidrojeni, wayamba kukulitsa chitukuko cha umisiri wobiriwira haidrojeni ndi zipangizo, kuphatikizapo kamangidwe ka othamanga thanki electrolysis, kupanga zipangizo, electrode plating, komanso electrolysis thanki kuyezetsa ndi kukonza ntchito ndi ntchito.

MmodziAlkaline Electrolyzer Working Mfundo

Podutsa mwachindunji kudzera mu electrolyzer yodzazidwa ndi electrolyte, mamolekyu amadzi amapangidwa ndi electrochemically pa maelekitirodi ndikuwonongeka kukhala haidrojeni ndi mpweya. Kuti kumapangitsanso madutsidwe wa electrolyte, ambiri electrolyte ndi njira amadzimadzi ndi ndende ya 30% potaziyamu hydroxide kapena 25% sodium hydroxide.

Electrolyzer imakhala ndi ma cell angapo a electrolytic. Chipinda chilichonse cha electrolysis chimakhala ndi cathode, anode, diaphragm ndi electrolyte. Ntchito yaikulu ya diaphragm ndi kuteteza mpweya kulowa. M'munsi mwa electrolyzer pali polowera wamba ndi kutulukira, kumtunda kwa gasi-zamadzimadzi osakaniza alkali ndi oxy-alkali otaya njira. Kudutsa ena voteji mwachindunji panopa, pamene voteji upambana chiphunzitso kuwonongeka voteji madzi 1.23v ndi matenthedwe ndale voteji 1.48V pamwamba pa mtengo wina, ndi elekitirodi ndi madzi mawonekedwe redox anachita zimachitika, madzi decomposed mu haidrojeni ndi mpweya.

Awiri Momwe lye amayendera

1️⃣Hydrogen, Oxygen Side Lye Mixed Cycle

Mu mawonekedwe a kufalitsidwa, lye amalowa lye kufalitsidwa mpope kudzera kulumikiza chitoliro pansi pa olekanitsa haidrojeni ndi olekanitsa mpweya, ndiyeno amalowa cathode ndi anode zipinda electrolyzer pambuyo yozizira ndi kusefa. Ubwino wa kufalitsidwa kosakanikirana ndi mawonekedwe osavuta, njira yayifupi, yotsika mtengo, ndipo imatha kutsimikizira kukula kofanana kwa kufalikira kwa lye mu cathode ndi zipinda za anode za electrolyzer; choyipa ndi chakuti mbali imodzi, zingakhudze chiyero cha haidrojeni ndi mpweya, ndipo kumbali ina, zingayambitse mlingo wa olekanitsa wa hydrogen-oxygen kuti usasinthe, zomwe zingapangitse chiopsezo chowonjezereka cha kusakaniza kwa hydrogen-oxygen. Pakalipano, mbali ya haidrojeni-oksijeni ya kusakaniza kwa lye ndiyo njira yofala kwambiri.

2️⃣Kupatukana kwa hydrogen ndi oxygen side lye

Mtundu wa kufalitsidwa amafuna awiri lye kufalitsidwa mapampu, mwachitsanzo awiri mkati kufalitsidwa. The lye pansi pa olekanitsa wa haidrojeni amadutsa mpope wa hydrogen-mbali kufalitsidwa, utakhazikika ndi kusefedwa, ndiyeno kulowa cathode chipinda cha electrolyzer; lye pansi pa olekanitsa mpweya amadutsa mpweya mbali kufalitsidwa mpope, utakhazikika ndi osefedwa, ndiyeno kulowa anode chipinda cha electrolyzer. Ubwino wodziyimira pawokha kufalitsidwa kwa lye ndi kuti haidrojeni ndi okosijeni opangidwa ndi electrolysis ndi chiyero chachikulu, popewa kuphatikizika kwa hydrogen ndi oxygen separator; choyipa ndi chakuti mapangidwe ndi ndondomekoyi ndizovuta komanso zotsika mtengo, komanso ndizofunikira kuti zitsimikizire kusinthasintha kwa kayendedwe ka kayendedwe kake, mutu, mphamvu ndi zina za mapampu kumbali zonse ziwiri, zomwe zimawonjezera zovuta za ntchitoyo, ndikuyika patsogolo kufunikira kolamulira kukhazikika kwa mbali zonse ziwiri za dongosolo.

Zitatu Zomwe Zimakhudza Kuthamanga kwa Lie Pakupanga haidrojeni ndi madzi a electrolytic ndi momwe electrolyzer imagwirira ntchito.

1️⃣Kuthamanga kwambiri kwa lye

(1) Zotsatira pa kuyera kwa haidrojeni ndi okosijeni

Chifukwa chakuti haidrojeni ndi okosijeni zimakhala ndi zosungunuka zina mu lye, kuchuluka kwa kayendedwe kake kumakhala kokulirapo kwambiri kotero kuti kuchuluka kwa hydrogen ndi mpweya wosungunuka kumawonjezeka ndikulowa m'chipinda chilichonse ndi lye, zomwe zimapangitsa kuti chiyero cha haidrojeni ndi okosijeni chichepetse pakutuluka kwa electrolyzer; voliyumu yozungulira ndi yayikulu kwambiri kotero kuti nthawi yosungiramo madzi olekanitsa a haidrojeni ndi okosijeni ndi yaifupi kwambiri, ndipo mpweya womwe sunapatulidwe kwathunthu umabweretsedwanso mkati mwa electrolyzer ndi lye, zomwe zimakhudza mphamvu ya electrochemical reaction ya electrolyzer ndi chiyero cha hydrogen ndi mpweya, ndi zina izi zidzakhudza mphamvu ya electrochemical reaction mu electrolyzer ndi hydrogen ndi purification ya oxygen, mphamvu ya electrolyzer ndi oxygen. zida zopangira dehydrogenate ndi deoxygenate, zomwe zimapangitsa kuti hydrogen ndi oxygen iyeretsedwe bwino komanso kusokoneza mtundu wazinthu.

(2) Mmene kutentha kwa thanki

Ngati kutentha kwa mpweya wa sopo kumakhalabe kosasintha, kutulutsa kwa lye kumachotsa kutentha kwa electrolyzer, zomwe zimapangitsa kutentha kwa thanki kutsika komanso mphamvu yowonjezereka.

(3) Zotsatira zapano ndi magetsi

Kuthamanga kwambiri kwa lye kumakhudza kukhazikika kwaposachedwa komanso voteji. Kuchuluka kwamadzimadzi kumasokoneza kusinthasintha kwanthawi zonse kwapano ndi voteji, kupangitsa kuti pompopompo ndi voteji zisamakhazikike mosavuta, zomwe zimapangitsa kusinthasintha kwa magwiridwe antchito a kabati yokonzanso ndi thiransifoma, motero zimakhudza kupanga ndi mtundu wa haidrojeni.

(4) Kuchulukitsa kagwiritsidwe ntchito ka mphamvu

Kuyenda kochulukira kwa lye kungayambitsenso kuchulukirachulukira kwamagetsi, kuchuluka kwa ndalama zogwirira ntchito komanso kuchepetsa mphamvu zamagetsi zamagetsi. Makamaka pakuwonjezeka kwa madzi othandizira ozizira mkati mwa kayendedwe ka kayendedwe ka madzi ndi kutuluka kwa kunja kwa kutsitsi ndi fani, kutsekemera kwa madzi ozizira, ndi zina zotero, kuti kugwiritsira ntchito mphamvu kumawonjezeka, kugwiritsira ntchito mphamvu zonse kumawonjezeka.

(5) Zimayambitsa kulephera kwa zida

Kuzungulira kwa lye kumawonjezera katundu pa mpope wozungulira wa lye, womwe umafanana ndi kuchuluka kwa otaya, kuthamanga ndi kusinthasintha kwa kutentha mu electrolyzer, zomwe zimakhudza ma elekitirodi, ma diaphragms ndi ma gaskets mkati mwa electrolyzer, zomwe zingayambitse kuwonongeka kwa zida kapena kuwonongeka, komanso kuwonjezeka kwa ntchito yokonza ndi kukonza.

2️⃣Kuzungulira kwa Lye kochepa kwambiri

(1) Zokhudza kutentha kwa thanki

Pamene kuyendayenda kwa lye sikukwanira, kutentha kwa electrolyzer sikungachotsedwe mu nthawi, zomwe zimapangitsa kuti kutentha kuchuluke. Kutentha kwapamwamba kumapangitsa kuti mpweya wochuluka wa madzi mu gawo la gasi ukhale wokwera komanso kuchuluka kwa madzi. Ngati madzi sangathe kuchepetsedwa mokwanira, adzawonjezera kulemedwa kwa dongosolo loyeretsera ndikukhudza zotsatira za kuyeretsedwa, komanso zidzakhudzanso zotsatira ndi nthawi ya moyo wa chothandizira ndi adsorbent.

(2) Zokhudza moyo wa diaphragm

Kusalekeza mkulu kutentha chilengedwe imathandizira kukalamba kwa diaphragm, kupanga ntchito yake kuchepa kapena ngakhale kung'ambika, zosavuta chifukwa diaphragm mbali zonse za wa hydrogen ndi mpweya mutual permeability, zimakhudza chiyero wa haidrojeni ndi mpweya. Pamene mwalowa kulowerera pafupi m'munsi malire a kuphulika kuti Mwina electrolyzer ngozi kwambiri kuchuluka. Nthawi yomweyo, kutentha kosalekeza kungayambitsenso kuwonongeka kwa gasket yosindikiza, kufupikitsa moyo wake wautumiki.

(3) Mmene ma elekitirodi

Ngati kuchuluka kwa lye ndi kochepa kwambiri, mpweya wopangidwa sungathe kuchoka pakati pa electrode mofulumira, ndipo mphamvu ya electrolysis imakhudzidwa; ngati elekitirodi sangathe bwinobwino kukhudzana ndi lye kuchita electrochemical anachita, tsankho kumaliseche sali bwino ndi youma moto zidzachitika, imathandizira kukhetsa chothandizira pa elekitirodi.

(4) Zotsatira pamagetsi a cell

Kuchuluka kwa lye ozungulira ndi kochepa kwambiri, chifukwa hydrogen ndi mpweya thovu kwaiye pakati yogwira elekitirodi sangathe kuchotsedwa mu nthawi, ndi kuchuluka kwa mpweya kusungunuka mu electrolyte ukuwonjezeka, kuchititsa kuwonjezeka voteji ya chipinda chaching'ono ndi kukwera kwa mphamvu.

Njira Zinayi zodziwira kuchuluka kwa kayendedwe ka lye

Kuti athetse mavuto omwe ali pamwambawa, m'pofunika kuchitapo kanthu, monga kuyang'ana nthawi zonse kayendedwe ka kayendedwe ka lye kuti atsimikizire kuti amagwira ntchito bwino; kukhalabe ndi kutentha kwabwino kwa kutentha kuzungulira electrolyzer; ndikusintha magawo ogwiritsira ntchito electrolyzer, ngati kuli kofunikira, kuti apewe kuchitika kwa kuchuluka kwakukulu kapena kochepa kwambiri kwa kufalikira kwa lye.

Mulingo woyenera kwambiri wa kufalikira kwa lye uyenera kutsimikizika potengera magawo aukadaulo a electrolyzer, monga kukula kwa electrolyzer, kuchuluka kwa zipinda, kuthamanga kwa ntchito, kutentha kwamachitidwe, kutulutsa kutentha, ndende ya lye, ozizira, olekanitsa wa hydrogen-oxygen, kachulukidwe kakali pano, chiyero cha mpweya ndi zofunika zina, zida ndi kulimba kwa mapaipi ndi zina.

Makulidwe a Technical Parameters:

kukula kwake 4800x2240x2281mm

kulemera kwa 40700Kg

Chipinda chogwira ntchito1830, Chiwerengero cha zipinda 238个

Electrolyzer panopa kachulukidwe 5000A/m²

kuthamanga kwa ntchito 1.6Mpa

kutentha kwamachitidwe 90 ℃ ± 5 ℃

Seti imodzi ya electrolyzer mankhwala hydrogen voliyumu 1300Nm³/h

Mankhwala Oxygen 650Nm³/h

mwachindunji panopa n13100A,dc voteji 480V

Lye Cooler Φ700x4244mm

malo osinthira kutentha 88.2m²

Cholekanitsa cha haidrojeni ndi mpweya Φ1300x3916mm

cholekanitsa mpweya Φ1300x3916mm

Potaziyamu hydroxide solution 30%

Kukana madzi koyera>5MΩ·cm

Ubale pakati pa potassium hydroxide solution ndi electrolyzer:

Pangani madzi abwino kukhala oyendetsa, tulutsani haidrojeni ndi okosijeni, ndikuchotsa kutentha. Kuthamanga kwa madzi ozizira kumagwiritsidwa ntchito poyang'anira kutentha kwa lye kuti kutentha kwa electrolyzer kukhale kokhazikika, ndipo kutentha kwa electrolyzer ndi kutuluka kwa madzi ozizira kumagwiritsidwa ntchito kuti agwirizane ndi kutentha kwa dongosolo kuti akwaniritse ntchito yabwino kwambiri komanso magawo ogwiritsira ntchito mphamvu zopulumutsa mphamvu.

Kutengera zochita zenizeni:

Kuwongolera kwamphamvu kwa Lye pa 60m³/h,

Kuyenda kwamadzi ozizira kumatsegula pafupifupi 95%,

Kutentha kwa electrolyzer kumayendetsedwa pa 90 ° C ndi katundu wathunthu,

Mkhalidwe wabwino kwambiri wamagetsi a electrolyzer DC ndi 4.56 kWh/Nm³H₂.

Asanufotokoza mwachidule

Mwachidule, kufalitsa buku la lye ndi gawo lofunikira popanga haidrojeni ndi electrolysis yamadzi, yomwe imagwirizana ndi kuyera kwa mpweya, voteji yachipinda, kutentha kwa electrolyzer ndi magawo ena. Ndikoyenera kuwongolera voliyumu yozungulira pa 2 ~ 4 nthawi / h/mphindi yakusintha sopo mu thanki. Ndi bwino kulamulira kufalitsidwa buku la lye, amaonetsetsa khola ndi otetezeka ntchito madzi electrolysis hydrogen kupanga zida kwa nthawi yaitali.

Mu njira yopanga haidrojeni ndi electrolysis yamadzi mu electrolyzer ya alkaline, kukhathamiritsa kwa magawo ogwirira ntchito ndi mapangidwe othamanga a electrolyzer, kuphatikiza ndi zinthu za elekitirodi ndi kusankha kwa zinthu za diaphragm ndiye chinsinsi chowonjezera pano, kuchepetsa voteji ya thanki ndikupulumutsa mphamvu.

--Lumikizanani nafe--

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