Mukamva 'nozzle denitrification', anthu ambiri nthawi yomweyo amajambula mutu wamba wopopera, mwina jeti yabwino kwambiri. Ndilo lingaliro lolakwika loyamba. Mu machitidwe a SCR, sikuti ndi kupopera mbewu mankhwalawa urea; ndi za kupanga madontho oyenera, kugawa, ndi kulowa mumtsinje wotentha kwambiri, wothamanga kwambiri. Zilakwitseni, ndipo mukuyang'ana kutsetsereka kwa ammonia, kuyipitsa, kapena kusakwanira. Ndawonapo zomera zimawononga ndalama zambiri pa zothandizira kuti ziwonongeke chifukwa cha jekeseni wopangidwa molakwika kapena wopangidwa. Nozzle ndiye mawonekedwe ovuta pakati pa chochepetsera ndi njirayo, ndipo kudalirika kwake nthawi zambiri kumadalira maziko ndi makina kumbuyo kwake.
Chovuta Chachikulu: Zida ndi Geometry Pamoto
Tiye tikambirane za chilengedwe. Nthawi zambiri tikulimbana ndi kutentha komwe kumatha kugwedezeka, komanso kusakanikirana kowononga kochokera ku ammonia ndi phulusa lowuluka. Muyezo wa 316 wosapanga dzimbiri ukhoza kuudula kwakanthawi muzochitika zina, koma pakukhazikitsa kolimba, makamaka ndi fumbi lambiri kapena kutentha kwapamwamba, mumawona kukokoloka kofulumira kapena kupsinjika kwa dzimbiri kung'ambika mozungulira potuluka. Ndiko kumene kusankha zinthu kumakhala zenizeni. Sikungotola m'kabukhu; ndizokhudza kumvetsetsa kapangidwe ka gasi wa flue. Ndikukumbukira pulojekiti yopangira mphamvu zotayirira pomwe ma nozzles oyambira, opangidwa kuchokera ku austenitic wamba, adapanga ming'alu yaying'ono mkati mwa miyezi. Kulephera sikunali kwakukulu; kunali kuwonjezereka kwapang'onopang'ono kwa kutsetsereka ndi kugawa kosafanana komwe kunatenga nthawi kuti azindikire kubwerera kuzinthu za nozzle zomwezo.
Apa ndipamene makampani omwe ali ndi chidziwitso chakuya amakhala ofunikira. Ndikuganiza za ogulitsa ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd.. Ndi zaka makumi atatu akuponya ndi kukonza, iwo sali ongotenga madongosolo. Mbiri yawo mu nkhungu ya zipolopolo ndi kuyika ndalama kwa ma aloyi apadera monga opangidwa ndi faifi tambala komanso opangidwa ndi cobalt ndizofunikira kwambiri. Kwa denitrification nozzle, gulu la Innconel 625 loponyera ndalama limatha kukhala ndi moyo wosiyanasiyana poyerekeza ndi chidutswa chopangidwa ndi makina okhazikika, makamaka potengera kapangidwe ka tirigu komanso kukana kutentha. Kusiyana kuli mwatsatanetsatane wa ndondomekoyi.
Geometry ndi chilombo china. Njira yoyendetsera mkati, ngodya ya kupopera, kutsirizira kwa dothi - izi siziri miyeso ya CAD yokha. Kupatuka pang'ono kwa tepi yopita ku orifice kungayambitse cavitation, kunyozetsa mphuno ndi kusokoneza mawonekedwe opopera. Machining kulolerana ndi mfumu. Pamafunika mkulu-mwatsatanetsatane CNC luso, komanso kumvetsa kuti mbali iyi si kubala mtundu; imafunikira kulondola komwe imawerengera (mpanda, mpando) ndi kulimba kwina. Ndidakhala ndi ma prototypes omwe amawoneka bwino pachithunzichi koma, ndikayesedwa pa benchi yoziziritsa, adawonetsa kutsitsi kwa asymmetric. Wolakwa? Chizindikiro cha chida chosawoneka bwino mkati mwa njira ya chakudya chomwe chinasokoneza kutuluka kwa laminar. Zinatenga gawo limodzi ndi gulu lopanga makina kuti lisinthe njira yachida ndikumaliza kutsata.
Kuchokera Kujambula kupita ku Duct: The Integration Headache
Ngakhale nozzle yopangidwa mwangwiro imakhala yabwino ngati kuyika kwake. Kukwera kwa flange, kukulitsa kutentha kusagwirizana ndi khoma la ngalande, kusindikiza - izi ndi zenizeni zakumunda. Kuyang'anira kumodzi kofala sikuwerengera kukula kwa kutentha kwa mikondo kapena mitundu yosiyanasiyana. Kuyika kolimba kumatha kubweretsa kupsinjika kwakukulu pamutu wa nozzle, kusweka ma welds kapena kupotoza masanjidwewo. Tinaphunzira izi movutirapo pa kubwezeretsa koyambirira. Ma nozzles anali abwino, koma mabulaketi olimba omwe tidapanga samalola kuyenda kwa ma duct panthawi yotentha. Zotsatira: tsitsi limang'ambika pakhosi la weld pambuyo poyambira pang'ono. Kukonzekera kunali kophweka koma kofunikira pakupanga chithandizo choyandama.
Mfundo ina yothandiza ndiyo kupezeka. Munjira yodzaza ndi anthu, mumawunika bwanji kapena kusintha mphuno? Malumikizidwe odula mwachangu amamveka bwino mwamalingaliro, koma amawonjezera zotulukapo ndipo zimatha kukhala zazikulu. Nthawi zina kulumikiza kosavuta kwa ulusi ndi ulusi wotentha kwambiri kumakhala kodalirika, ngati mupanga danga la wrench. Ndimakonda mapangidwe omwe amalola kuchotsedwa kunja kwa njira popanda kutseka gawo lonse, koma sizitheka nthawi zonse. Ndiko kusinthanitsa pakati pa kukonza kosavuta ndi zovuta zadongosolo.
Ndiye pali funso la atomization media. Zothandizidwa ndi mpweya kapena hydraulic? Kwa makina ang'onoang'ono kapena kumene mpweya woponderezedwa umapezeka mosavuta, mpweya wothandizidwa ndi mpweya ukhoza kupereka atomization yabwino. Koma mukuwonjezera dongosolo lina - mizere ya mpweya, zosefera, zowongolera. Kwa zomera zazikulu zamagetsi, hydraulic (pogwiritsa ntchito urea wothamanga kwambiri) nthawi zambiri zimakhala zosavuta. Kusankha kumakhudza mwachindunji kapangidwe ka mkati mwa nozzle. Mpweya wothandizidwa ndi mpweya uli ndi geometry yamkati yosiyana kwambiri yosakaniza madzi awiriwa. Simungangosintha mtundu umodzi ndi wina popanda kukonzanso gululi ya jakisoni.
Case in Point: The Alloy Shift
Chitsanzo cha konkire chomwe chimandimamatira chinali chowonjezera chowotcha chamalasha. Choyambirira denitrification nozzles anali muyezo 310S zosapanga dzimbiri. Kugwira ntchito kunali bwino, koma nthawi zosamalira zinali zazifupi kuposa momwe amafunira chifukwa chakukokoloka kwa nsonga. Wothandizira ankafuna kuwonjezera nthawi yothamanga. Tidayang'ana pazidziwitso: kutentha pamalo opangira jakisoni kunali kosalekeza pamtunda wapamwamba wa 310S, ndipo phulusa la ntchentche linali lopweteka kwambiri.
Tinagwira ntchito ndi maziko -Mtengo wa QSY zimabwera m'maganizo pamene akugwira kusintha kwa zinthu izi - kuwonetsa ma nozzles pogwiritsa ntchito faifi wopangidwa ndi faifi potengera ndalama. Cholinga sichinali kungosinthana zinthu; tidatenga mwayi wosinthira ma geometry amkati motengera kuyeserera koyenda kuti tichepetse madera otsika kwambiri komwe cavitation ingayambike. Kukonzekera kwapambuyo kwa makina kunali kofunika kwambiri kuti apitirizebe kutha kwa njira ya capillary feed.
Zotsatira zake sizinali kulumpha mozizwitsa, koma kuwongolera kolimba, kodalirika. Ma nozzles atsopano adawonetsa kuvala konyozeka pambuyo pa nthawi yomwe akale amafunikira kufufuzidwa. ROI inali mu nthawi yochepetsetsa komanso chiopsezo chochepa cha kulephera kosakonzekera. Chinsinsi chinali njira yophatikizira: sayansi yazinthu (kusankha alloy yoyenera kwa chilengedwe), kupanga molondola (kuzindikira cholinga cha mapangidwe), ndi chidziwitso chothandizira kukhazikitsa. Mutha kupeza ogulitsa omwe amangokhala ndi zida zamakina, koma pazigawo zomwe zili pansi pamtundu wamtunduwu wamafuta ndi mankhwala, zomwe zimayambira zimafunikira. Kudziwa kwanthawi yayitali kwamakampani popanga ma aloyi ochita bwino kwambiri, monga momwe tawonera https://www.tsingtaocnc.com, nthawi zambiri amamasulira upangiri wabwinoko wamakhalidwe akuthupi ndi kuthekera kopanga magawo ovutawa.
Kupitilira Mphuno: Kuganiza Kwadongosolo
Ndikoyesa kuyang'ana pa nozzle ngati chigawo choyimirira, koma ndizopanda ntchito popanda kuganizira zamtundu wonse wa gridi ya jakisoni. Kutalikirana, ngodya yokhudzana ndi kutuluka kwa gasi, mtunda wopita ku nkhope yochititsa chidwi - izi zimapanga kusakaniza koyambirira. Mphuno yabwino kwambiri pamalo olakwika ndi chiwonongeko. Nthawi zambiri timagwiritsa ntchito mawonekedwe a CFD ngati chiwongolero, koma palibe choloweza m'malo mwakukonzekera magawo panthawi yotumiza. Mumasinthasintha mayendedwe ndi kupanikizika pamene mukuyesa kugawa kwa ammonia pa cholowera chothandizira. Nthawi zina, mumapeza kuti kusintha kwakung'ono pakuyenda kwa nozzle imodzi kumakhala ndi zotsatira zake pakugawa konse.
Apa ndipamene modularity mu kapangidwe kake ka nozzle imathandiza. Ngati mphuno iliyonse ili pamzere wowongolera payekhapayekha (mwachidziwitso), imapatsa mainjiniya am'munda chida champhamvu chowongolera. Ndawonapo machitidwe omwe amatseka zonse mokhazikika kuti asunge mtengo woyika, ndikungogwiritsa ntchito kakhumi pambuyo pake kuyesa kukonza nkhani zogawira ndi zosintha zosinthira kapena kuthamanga kwambiri kuposa kuchuluka kwa ammonia-to-NOx.
Pomaliza, musanyalanyaze zamba: kusefera. Njira yothetsera urea, ngakhale itakhala yapamwamba kwambiri, imatha kukhala ndi tinthu tating'onoting'ono kapena tonyezimira. Kachidutswa kakang'ono ka zinyalala kakhoza kutsekereza potuluka mphuno. Kusefera kwamphamvu, kwamasitepe ambiri kumtunda kwa gululi ya jakisoni sikungakambirane. Ndi inshuwaransi yotsika mtengo ya dongosolo lonse la SCR. Gwirizanitsani izo ndi mphuno yopangidwa bwino yomwe ili ndi mphamvu yodziyeretsa yokha (monga njira ina yamkati yomwe imalepheretsa kusungirako ndalama), ndipo mumathandizira kwambiri kudalirika kwa ntchito.
Kuchimaliza: Chigawo cha Zotsatira
Choncho, a denitrification nozzle. Ndi gawo laling'ono lomwe lili ndi udindo waukulu. Kuzitchula kumafuna kusuntha kupyola chinthu chosavuta ndikuyitanira. Zimafuna kukambirana za emvulopu yeniyeni yogwiritsira ntchito, mafuta, kukweza fumbi, zida za atomization zomwe zilipo, ndi filosofi yokonza. Kusankha wopanga bwenzi ndikofunikira chimodzimodzi - mufunika munthu amene amamvetsetsa zitsulo kuti zikhale zolimba komanso makina olondola kuti agwire ntchito.
Pankhani iyi, zolephera sizikhala zophulika zoopsa; Iwo amayaka pang'onopang'ono chifukwa chosagwira ntchito bwino - kuchuluka kwa ammonia, kupha poyizoni, kutsika kwamphamvu. Amawononga ndalama tsiku lililonse. Kupeza jekeseni bwino, kuyambira ndi mphuno yolimba, yopangidwa bwino, kumakhazikitsa maziko a machitidwe onse a SCR. Ndi chimodzi mwazinthu zomwe ndalama zotsogola pamapangidwe oyenera komanso kupanga zabwino zimabweza mwakachetechete koma mosasinthasintha kwa zaka zogwira ntchito. Mumasiya kuganiza za izo, ndipo ndicho chiyamikiro chabwino kwambiri chomwe chida chopangira njira chingapezeke.
Kuyang'ana m'mbuyo, mapulojekiti omwe adayenda bwino kwambiri ndi omwe tidawachitira jekeseni osati ngati kugula katundu, koma ngati njira yophatikizira. Izi zikutanthawuza kuphatikizira ogulitsa omwe ali ndi kugwiritsa ntchito komanso kuzama kopanga koyambirira koyambirira, osati kungotumiza zojambula zomalizidwa kuti zitchulidwe. Zinapangitsa kusiyana konse.
