Ukujikeleza kweHydrogen kunye neAlkali kwiAlkaline Electrolyzer Water Electrolysis Inkqubo yokuvelisa iHydrogen

Kwinkqubo yokuvelisa i-hydrogen ye-alkaline electrolyzer, indlela yokwenza isixhobo sisebenze ngokuzinzileyo, ukongeza kumgangatho we-electrolyzer ngokwayo, apho ubungakanani bokujikeleza kwe-lye kwindawo nayo ikwayimpembelelo ebalulekileyo.

Kutshanje, kwiNtlanganiso yoKhuseleko lweMveliso yoBugcisa boPhuhliso lweMisebenzi yeHydrogen ye-China Industrial Gases Association Hydrogen Professional Committee's Safety Production Technology Exchange Meeting, uHuang Li, intloko yeHydrogen Water Electrolysis Hydrogen Operation and Maintenance Program, wabelane ngamava ethu malunga nokubekwa komthamo wokujikeleza kwe-hydrogen kunye ne-lye kwinkqubo yovavanyo kunye nokusebenza kunye nokugcinwa.

Eli lilandelayo liphepha lokuqala.

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Phantsi kwesicwangciso sesizwe se-dual-carbon, i-Ally Hydrogen Energy Technology Co., Ltd, ebigxile kwimveliso ye-hydrogen kangangeminyaka engama-25 kwaye yayiyeyokuqala ukubandakanyeka kwicandelo lamandla e-hydrogen, iqalile ukwandisa uphuhliso lwetekhnoloji ye-hydrogen eluhlaza kunye nezixhobo, kubandakanya uyilo lwee-electrolysis tank runners, ukuveliswa kwezixhobo, i-electrode plating, kunye novavanyo lwe-electrolysis tank kunye nokusebenza kunye nokugcinwa.

NyeUmgaqo-nkqubo wokusebenza we-Alkaline Electrolyzer

Ngokudlula umsinga othe ngqo kwi-electrolyzer egcwele i-electrolyte, iimolekyuli zamanzi zisabela nge-electrochemically kwi-electrodes kwaye ziboliswe zibe yi-hydrogen kunye ne-oxygen. Ukuze kuphuculwe ukuhanjiswa kwe-electrolyte, i-electrolyte iyonke sisisombululo samanzi esinoxinzelelo lwe-30% ye-potassium hydroxide okanye i-25% ye-sodium hydroxide.

I-electrolyzer ineeseli ezininzi ze-electrolytic. Igumbi ngalinye le-electrolysis liqulathe i-cathode, i-anode, i-diaphragm kunye ne-electrolyte. Umsebenzi ophambili we-diaphragm kukuthintela ukungena kwegesi. Kwinxalenye esezantsi ye-electrolyzer kukho indawo yokungena kunye ne-outlet eqhelekileyo, inxalenye ephezulu yomxube wegesi-ulwelo we-alkali kunye ne-oxy-alkali flow channel. Idluliselwa kwi-voltage ethile yangoku ngqo, xa i-voltage idlula i-voltage yokubola kwethiyori yamanzi eyi-1.23v kunye ne-voltage engathathi hlangothi ye-thermal eyi-1.48V ngaphezulu kwexabiso elithile, i-electrode kunye ne-redox interface reaction iyenzeka, amanzi aqhekeka abe yi-hydrogen kunye ne-oxygen.

Indlela ezimbini ezisasazwa ngayo i-lye

1️⃣I-Hydrogen, i-Oxygen Side Lye Mixed Cycle

Kule ndlela yokujikeleza kwegazi, i-lye ingena kwimpompo yokujikeleza kwe-lye ngepayipi yokudibanisa ezantsi kwe-hydrogen separator kunye ne-oxygen separator, ize ingene kwii-cathode kunye nee-anode chambers ze-electrolyzer emva kokuphola kunye nokucoca. Iingenelo zokujikeleza kwegazi okuxutyiweyo zisakhiwo esilula, inkqubo emfutshane, ixabiso eliphantsi, kwaye zinokuqinisekisa ubungakanani obufanayo bokujikeleza kwe-lye kwii-cathode kunye nee-anode chambers ze-electrolyzer; ingxaki kukuba kwelinye icala, inokuchaphazela ubunyulu be-hydrogen kunye ne-oxygen, kwaye kwelinye icala, inokubangela ukuba umgangatho we-hydrogen-oxygen separator ungalungiseki, nto leyo enokubangela umngcipheko okhulayo wokuxuba i-hydrogen-oxygen. Okwangoku, icala le-hydrogen-oxygen lomjikelo wokuxuba i-lye yeyona nkqubo ixhaphakileyo.

2️⃣Ukujikeleza okwahlukileyo kwe-hydrogen kunye ne-oxygen side lye

Olu hlobo lokujikeleza kwegazi lufuna iimpompo ezimbini zokujikeleza kwegazi ze-lye, oko kukuthi, ii-circulations ezimbini zangaphakathi. I-lye esezantsi kwe-hydrogen separator idlula kwi-hydrogen-side circulation pump, ipholiswe kwaye ihluzwe, ize ingene kwigumbi le-cathode le-electrolyzer; i-lye esezantsi kwe-oxygen separator idlula kwi-oxygen-side circulation pump, ipholiswe kwaye ihluzwe, ize ingene kwigumbi le-anode le-electrolyzer. Inzuzo yokujikeleza kwegazi okuzimeleyo kwe-lye kukuba i-hydrogen kunye ne-oxygen eveliswa yi-electrolysis zicocekile kakhulu, ziphepha ngokwasemzimbeni umngcipheko wokuxuba i-hydrogen kunye ne-oxygen separator; ingxaki kukuba ulwakhiwo kunye nenkqubo ziyinkimbinkimbi kwaye zibiza kakhulu, kwaye kuyimfuneko ukuqinisekisa ukuhambelana kwesantya sokuhamba, intloko, amandla kunye nezinye iiparameter zeempompo kumacala omabini, nto leyo enyusa ubunzima bokusebenza, kwaye ibeka phambili imfuneko yokulawula uzinzo lwamacala omabini enkqubo.

Impembelelo ezintathu zesantya sokuhamba kwe-lye ejikelezayo kwimveliso ye-hydrogen ngamanzi e-electrolytic kunye nemeko yokusebenza ye-electrolyzer

1️⃣Ukujikeleza kwegazi okugqithisileyo kwe-lye

（1）Impembelelo ekucocekeni kwe-hydrogen kunye ne-oxygen

Ngenxa yokuba i-hydrogen kunye ne-oksijini zinyibilika ngandlela ithile kwi-lye, umthamo wokujikeleza mkhulu kakhulu kangangokuba inani lilonke le-hydrogen kunye ne-oksijini enyibilikisiweyo liyanda kwaye lingena kwigumbi ngalinye eline-lye, nto leyo ebangela ukuba ubunyulu be-hydrogen kunye ne-oksijini buncitshiswe kwindawo ephumayo ye-electrolyzer; umthamo wokujikeleza mkhulu kakhulu kangangokuba ixesha lokugcina le-hydrogen kunye ne-oksijini yokwahlulahlula ulwelo lifutshane kakhulu, kwaye igesi engakhange yahlulwe ngokupheleleyo ibuyiselwa ngaphakathi kwe-electrolyzer kunye ne-lye, nto leyo echaphazela ukusebenza kakuhle kwe-electrochemical reaction ye-electrolyzer kunye nobunyulu be-hydrogen kunye ne-oksijini, kwaye ngakumbi Oku kuya kuchaphazela ukusebenza kakuhle kwe-electrochemical reaction kwi-electrolyzer kunye nobunyulu be-hydrogen kunye ne-oksijini, kwaye ngakumbi kuchaphazele amandla ezixhobo zokucoca i-hydrogen kunye ne-oksijini ukuze zikhuphe i-hydrogen kunye ne-deoxygenate kwaye zikhuphe i-oxygenate, nto leyo ebangela ukuba i-hydrogen kunye ne-oxygen cleansing ingasebenzi kakuhle kwaye ichaphazele umgangatho weemveliso.

（2） Impembelelo kubushushu betanki

Phantsi kwemeko yokuba ubushushu bokuphuma kwe-lye cooler buhlala bungatshintshi, ukuhamba kwe-lye eninzi kuya kususa ubushushu obuninzi kwi-electrolyzer, nto leyo ebangela ukuba ubushushu betanki buhle kwaye amandla anyuke.

（3）Isiphumo kwi-current kunye ne-voltage

Ukujikeleza kakhulu kwe-lye kuya kuchaphazela ukuzinza komsinga kunye ne-voltage. Ukuhamba kakhulu kolwelo kuya kuphazamisana nokuguquguquka okuqhelekileyo komsinga kunye ne-voltage, okubangela ukuba umsinga kunye ne-voltage zingazinzisi lula, okubangela ukutshintshatshintsha kwimeko yokusebenza yekhabhinethi ye-rectifier kunye ne-transformer, ngaloo ndlela kuchaphazele imveliso kunye nomgangatho we-hydrogen.

(4) Ukusetyenziswa kwamandla okwandisiweyo

Ukujikeleza kwe-lye ngokugqithisileyo kunokubangela ukusetyenziswa kwamandla okwandisiweyo, iindleko zokusebenza ezinyukileyo kunye nokusebenza kakuhle kwamandla kwenkqubo okunciphileyo. Ngokuyintloko ekunyukeni kwenkqubo yokujikeleza kwamanzi ancedisayo kunye ne-external circulation spray kunye ne-fan, umthwalo wamanzi abandayo, njl.njl., ukuze ukusetyenziswa kwamandla kwande, ukusetyenziswa kwamandla okupheleleyo kwande.

(5) Kubangela ukusilela kwezixhobo

Ukujikeleza kwe-lye ngokugqithisileyo kwandisa umthwalo kwimpompo yokujikeleza kwe-lye, okuhambelana nokunyuka kwesantya sokuhamba, uxinzelelo kunye nokuguquguquka kobushushu kwi-electrolyzer, nto leyo echaphazela ii-electrode, ii-diaphragms kunye nee-gaskets ngaphakathi kwi-electrolyzer, nto leyo enokubangela ukungasebenzi kakuhle kwezixhobo okanye umonakalo, kunye nokwanda komthwalo wokugcinwa nokulungiswa.

2️⃣Ukujikeleza kwegazi kwe-Lye kuncinci kakhulu

（1）Impembelelo kubushushu betanki

Xa umthamo ojikelezayo we-lye unganelanga, ubushushu obukwi-electrolyzer abunakuthatyathwa ngexesha, nto leyo ebangela ukunyuka kobushushu. Indawo enobushushu obuphezulu yenza uxinzelelo lomphunga olugcweleyo lwamanzi kwisigaba segesi lunyuke kwaye umxholo wamanzi unyuke. Ukuba amanzi awakwazi ukufunxwa ngokwaneleyo, aya kwandisa umthwalo wenkqubo yokucoca kwaye achaphazele isiphumo sokucoca, kwaye aya kuchaphazela nesiphumo kunye nobomi be-catalyst kunye ne-adsorbent.

(2) Impembelelo kubomi be-diaphragm

Ubushushu obuphezulu obuqhubekayo buya kukhawulezisa ukuguga kwe-diaphragm, kwenze ukusebenza kwayo kunciphe okanye kuqhekeke, kube lula ukuba i-diaphragm ibangele ukuvuleka kwe-hydrogen kunye ne-oxygen kumacala omabini, okuchaphazela ubunyulu be-hydrogen kunye ne-oxygen. Xa ukungena kwe-hydrogen kunye ne-oxygen kufutshane nomda ophantsi wokuqhuma ukuze amathuba okuba ingozi ye-electrolyzer inyuke kakhulu. Kwangaxeshanye, ubushushu obuphezulu obuqhubekayo buya kubangela umonakalo wokuvuza kwi-gasket yokutywina, bunciphise ubomi bayo benkonzo.

（3）Isiphumo kwi-electrodes

Ukuba ubungakanani be-lye ejikelezayo buncinci kakhulu, igesi eveliswayo ayinakuphuma ngokukhawuleza embindini we-electrode, kwaye ukusebenza kakuhle kwe-electrolysis kuyachaphazeleka; ukuba i-electrode ayikwazi ukunxibelelana ngokupheleleyo ne-lye ukuze yenze i-electrochemical reaction, kuya kwenzeka ukungaqheleki kokukhupha i-partial discharge kunye nokutsha okomileyo, okukhawulezisa ukuchitheka kwe-catalyst kwi-electrode.

（4）Isiphumo kwi-voltage yeseli

Ubungakanani be-lye ejikeleza buncinci kakhulu, kuba amaqamza e-hydrogen kunye ne-oxygen aveliswa kwiziko elisebenzayo le-electrode awanakuthatyathwa ngexesha, kwaye ubungakanani beegesi ezinyibilikisiweyo kwi-electrolyte buyanda, nto leyo ebangela ukwanda kwe-voltage yegumbi elincinci kunye nokunyuka kokusetyenziswa kwamandla.

Iindlela ezine zokumisela izinga elifanelekileyo lokuhamba kwegazi le-lye

Ukusombulula ezi ngxaki zingasentla, kuyimfuneko ukuthatha amanyathelo afanelekileyo, njengokujonga rhoqo inkqubo yokujikeleza kwe-lye ukuqinisekisa ukusebenza kwayo okuqhelekileyo; ukugcina iimeko ezilungileyo zokusasaza ubushushu ezijikeleze i-electrolyzer; kunye nokulungisa iiparameter zokusebenza ze-electrolyzer, ukuba kuyimfuneko, ukuze kuthintelwe ukwenzeka kokujikeleza kwe-lye okukhulu kakhulu okanye okuncinci kakhulu.

Izinga elifanelekileyo lokuhamba kokujikeleza kwe-lye kufuneka limiselwe ngokusekelwe kwiiparameter zobugcisa ze-electrolyzer ezithile, ezinje ngobukhulu be-electrolyzer, inani lamagumbi, uxinzelelo lokusebenza, ubushushu bokusabela, ukuveliswa kobushushu, uxinano lwe-lye, ukupholisa kwe-lye, isahluli se-hydrogen-oxygen, uxinano lwangoku, ubumsulwa begesi kunye nezinye iimfuno, ukuqina kwezixhobo kunye nemibhobho kunye nezinye izinto.

Iiparameters zobugcisa Ubukhulu:

ubungakanani 4800x2240x2281mm

ubunzima obupheleleyo 40700Kg

Ubungakanani begumbi obusebenzayo1830, Inani lamagumbi angama-238

Uxinano lwangoku lwe-Electrolyzer 5000A/m²

uxinzelelo lokusebenza 1.6Mpa

ubushushu bokusabela 90℃±5℃

Iseti enye yemveliso ye-electrolyzer hydrogen volume 1300Nm³/h

Ioksijini yeMveliso 650Nm³/h

i-voltage yangoku ngqo ye-n13100A, i-dc 480V

I-Lye Cooler Φ700x4244mm

indawo yokutshintshiselana ubushushu 88.2m²

Isahluli seHydrogen kunye neOksijini Φ1300x3916mm

isahluli seoksijini Φ1300x3916mm

Uxinzelelo lwesisombululo se-potassium hydroxide 30%

Ixabiso lokumelana namanzi acocekileyo >5MΩ·cm

Ubudlelwane phakathi kwesisombululo se-potassium hydroxide kunye ne-electrolyzer:

Yenza amanzi acocekileyo aqhube kakuhle, ukhuphe i-hydrogen kunye ne-oxygen, kwaye ususe ubushushu. Ukuhamba kwamanzi apholisayo kusetyenziselwa ukulawula ubushushu be-lye ukuze ubushushu be-electrolyzer reaction buzinze, kwaye ukuveliswa kobushushu be-electrolyzer kunye nokuhamba kwamanzi apholisayo kusetyenziselwa ukulinganisa ukulinganisela kobushushu benkqubo ukuze kufezekiswe imeko yokusebenza engcono kunye neeparameter zokusebenza ezonga kakhulu amandla.

Ngokusekelwe kwimisebenzi yokwenyani:

Ulawulo lomthamo wokujikeleza kwe-Lye kwi-60m³/h，

Ukuhamba kwamanzi okupholisa kuvula malunga ne-95%,

Ubushushu bokusabela kwe-electrolyzer bulawulwa kwi-90°C xa umthwalo ugcwele，

I-electrolyzer efanelekileyo kakhulu. Ukusetyenziswa kwamandla e-DC yi-4.56 kWh/Nm³H₂.

Ntlanushwankathela

Ngamafutshane, umthamo wokujikeleza kwe-lye yiparameter ebalulekileyo kwinkqubo yokuveliswa kwe-hydrogen yi-electrolysis yamanzi, enxulumene nobunyulu begesi, i-voltage yegumbi, ubushushu be-electrolyzer kunye nezinye iiparameter. Kufanelekile ukulawula umthamo wokujikeleza kwi-2 ~ 4 times/h/min yokutshintshwa kwe-lye etankini. Ngokulawula ngempumelelo umthamo wokujikeleza kwe-lye, kuqinisekisa ukusebenza okuzinzileyo nokukhuselekileyo kwezixhobo zokuvelisa i-hydrogen nge-electrolysis yamanzi ixesha elide.

Kwinkqubo yokuvelisa i-hydrogen nge-electrolysis yamanzi kwi-alkaline electrolyzer, ukwenziwa ngcono kweeparamitha zemeko yokusebenza kunye noyilo lwe-electrolyzer runner, kunye nezinto ze-electrode kunye nokukhethwa kwezinto ze-diaphragm zibalulekile ekunyuseni umbane, ukunciphisa i-voltage yetanki kunye nokonga ukusetyenziswa kwamandla.

--Qhagamshelana nathi--

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