Paunonzwa 'denitrification nozzle', vanhu vazhinji vanobva vangofananidza musoro wakapfapfaidza, pamwe jeti yakanaka. Ndiyo yekutanga kusanzwisisa. MuSCR masystem, hazvisi zvekupfapfaidza urea chete; ndezvekugadzira iyo chaiyo yekudonha spectrum, kugovera, uye kupinda mukati-yepamusoro-tembiricha, yakakwirira-velocity flue gasi rwizi. Ita zvisizvo, uye uri kutarisa ammonia slip, kusvibisa, kana kusakwana kuita. Ndakaona zvidyarwa zvichishandisa mari yakawanda pazvinhu zvinokonzeresa chete kuti mashandiro acho aremadzwe negungano risina kugadzirwa kana kugadzirwa jekiseni. Iyo nozzle ndiyo yakakosha interface pakati peanodzikisira mumiriri uye maitiro, uye kuvimbika kwayo kunowanzo kutsamira pane iyo yekutanga uye machining kumashure kwayo.
Iyo Core Dambudziko: Material uye Geometry Pasi Pemoto
Ngatitaure nezvezvakatipoteredza. Isu tinowanzo gadzirisa tembiricha inogona kuzungunuka, uye musanganiswa unokanganisa wezvinobva muammonia uye madota anobhururuka. Iyo yakajairwa 316 isina tsvina inogona kuicheka kwekanguva mune mamwe mamiriro, asi mune dzakaomarara setups, kunyanya ine yakakwira huruva inotakura kana tembiricha yepamusoro, unoona kukurumidza kukukurwa kana kunyange kusagadzikana ngura kutsemuka kutenderedza orifice. Ndiko uko kusarudzwa kwezvinhu kunova kwechokwadi. Haisi kungonhonga kubva kukhathalogi; ndezvekunzwisisa iyo chaiyo flue gasi kuumbwa. Ndinoyeuka purojekiti yechirimwa chemarara-ku-simba apo maburi ekutanga, akagadzirwa kubva kune yakajairwa austenitic tsvina, akagadzira micro-cracks mukati memwedzi. Kukundikana kwacho kwakanga kusiri kukuru; kwaive kuwedzera zvishoma nezvishoma mukutsvedza uye kugovera zvisina kuenzana izvo zvakatora nguva kuongorora kudzokera kune iyo nozzle zvinhu pachayo.
Apa ndipo apo makambani ane ruzivo rwakadzama ruzivo anove akakosha. Ndiri kufunga mutengesi akafanana Qingdao Qiangsenyuan Technology Co., Ltd. (QSY). Nemakumi matatu emakore ekukanda uye machining, havasi ivo vanongotora-odha. Kumashure kwavo mugomba mold uye kukanda mari yekudyara kweakakosha alloys senge nickel-based uye cobalt-yakavakirwa iwo anoenderana zvakananga. Kune denitrification nozzle, yekudyara-yakakanda Inconel 625 muviri unogona kupa hupenyu hwakasiyana hwakasiyana uchienzaniswa nechidimbu chakagadzirwa kubva kune yakajairwa bar stock, kunyanya maererano nechimiro chezviyo uye kuramba kupisa. Musiyano uri mumashoko ekugadzirisa.
Iyo geometry chimwe chikara. Nzira yemukati yekuyerera, kona yepfapfaidzo, kupera kwemukati-aya haasi maCAD chete. Kutsauka kushoma mune tepi inotungamira kune orifice kunogona kukonzera cavitation, kushatisa muromo uye kukanganisa iyo yekupfapfaidza pateni. Machining kushivirira ndiye mambo. Zvinoda yakakwirira-chaiyo CNC kugona, asiwo kunzwisisa kuti chikamu ichi hachisi nhangemutange; inoda kunyatsojeka painoverenga (iyo orifice, chigaro) uye kusimba kune imwe nzvimbo. Ndakave nemaprototypes aitaridzika akakwana pakudhirowa asi, payakaedzwa pabhenji inotonhora yekuyerera, yakaratidza asymmetric spray. Mupari wemhosva? Chinenge chisingaoneki chekushandisa mucherechedzo mukati meiyo feed chiteshi chakakanganisa kuyerera kwelaminar. Zvakatora chikamu nechikwata chekugadzira kugadzirisa nzira yekushandisa uye kupedzisa kutevedzana.
Kubva Kudhirowa kuenda kuDuct: Iyo Kubatanidzwa Musoro Kurwadza
Kunyangwe muromo wakanyatsogadzirwa wakangonaka sekuiswa kwayo. Iyo flange inokwira, kuwedzera kwekupisa kunopesana nemadziro enzira, kuiswa chisimbiso-izvi zvinhu zvemumunda. Kumwe kutarisisa kwakajairika hakusi kuverengera kukura kwekupisa kwepfumo kana kuwanda. Kuisirwa kwakaomarara kunogona kutungamira kune kushushikana kukuru pamuviri wemuromo, kupaza ma welds kana kukanganisa kurongeka. Isu takadzidza izvi nenzira yakaoma pane yekutanga retrofit. Manozzles aive akanaka, asi mabhureki akaomesesa ekutsigira atakagadzira aisatendera kufamba kweduta panguva yekutenderera kwemafuta. Mhedzisiro: vhudzi rebvudzi rinoputika pamitsipa ye weld mushure mekutanga kwekutanga. Kugadzirisa kwaive kuri nyore asi kwakakosha shanduko kune inoyangarara yekutsigira dhizaini.
Imwe tsanangudzo inoshanda ndeyekusvikika. Mugero rakazara vanhu, unoongorora sei kana kutsiva mhuno? Kurumidza-kubvisa macouplings anonzwika akakura mudzidziso, asi anowedzera anogona kubvinza mapoinzi uye anogona kuve akakura. Dzimwe nguva kushamwaridzana kwakapfava kwakapfava ne-high-temperature thread sealant kunonyanya kuvimbika, kana ukagadzira nzvimbo ye wrench. Ini ndinosarudza madhizaini anobvumira kubviswa kubva kunze kwegomba pasina kuvhara chikamu chose, asi izvo hazviitike nguva dzose. Iko kutengeserana-kure pakati pekugadzirisa kureruka uye kuoma kwehurongwa.
Ipapo pane mubvunzo weatomization media. Air-assisted kana hydraulic? Kune madiki masisitimu kana uko mweya wakadzvanywa unowanikwa zviri nyore, inobatsirwa nemhepo inogona kupa yakanaka atomization. Asi uri kuwedzera imwe sisitimu — mitsara yemhepo, mafirita, maregulator. Kune mahombe emagetsi emagetsi, hydraulic (uchishandisa high-pressure urea solution pachayo) inowanzova nyore. Sarudzo inobata zvakananga dhizaini yemukati menozzle. Nozzle inobatsirwa nemhepo ine geometry yemukati yakasiyana zvachose yekusanganisa zvinwiwa zviviri. Iwe haugone kungochinjanisa imwe mhando kune imwe pasina kugadziridzazve jekiseni grid.
Case in Point: Iyo Alloy Shift
Muenzaniso wekongiri unondinamatira unosanganisira kukwidziridzwa kwebhailer yemarasha. The yepakutanga denitrification nozzles dzaive dzakajairwa 310S dzisina tsvina. Kuita kwaive kwakanaka, asi nguva dzekugadzirisa dzaive pfupi pane zvaidiwa nekuda kwekukukurwa kwetip. Mutengi aida kuwedzera nguva yekumhanya. Isu takatarisa iyo data: tembiricha panzvimbo yejekiseni yaigara iri pamuganho wepamusoro we310S, uye dota renhunzi rakanga rakanyanya kukuvadza.
Takashanda neakawana-QSY zvinouya mundangariro pavanenge vachibata idzi shanduko-yekuita prototype seti yemanozzles vachishandisa nickel-based alloy kuburikidza nekukanda mari. Chinangwa chakanga chisiri chokungochinjanisa zvinhu; takatora mukana wekugadzirisa iyo yemukati geometry inoenderana nekuyerera simulation kuderedza yakaderera-kudzvanywa nzvimbo uko cavitation inogona kutanga. Iyo machining post-casting yaive yakakosha kuchengetedza iyo yepamusoro kupera mucapillary feed chiteshi.
Mhedzisiro yaisava kusvetuka kwechishamiso, asi kusimba kwakasimba, kwakavimbika. Manozzles matsva airatidza kusapfeka zvakanaka mushure menguva iyo yekare yaizoda kuongororwa. Iyo ROI yaive mune yakaderedzwa nguva yekudzikira uye yakaderera njodzi yekutadza kurongeka. Kiyi yaive nzira yakabatanidzwa: sainzi yezvinhu (kusarudza alloy chaiyo yenzvimbo chaiyo), kugadzira chaiko (kuona chinangwa chekugadzira), uye ruzivo rwekuisa. Iwe unogona kuwana vatengesi vanongori muchina zvikamu, asi kune zvikamu zviri pasi perudzi urwu rwekupisa uye kemikari kushushikana, iyo yekutanga pedigree inobata. Chiitiko chekambani chenguva refu mukukanda alloys epamusoro-soro, senge inocherechedzwa https://www.tsingtaocnc.com, kazhinji inoturikira mune zano riri nani pamaitiro enyama uye kugona kugadzira kwezvikamu zvakakosha izvi.
Kupfuura Nozzle: System Kufunga
Iko kuyedza kutarisa pane nozzle sechinhu chakamira, asi hazvibatsiri pasina kufunga nezvese jekiseni grid marongero. The spacing, kona inoenderana nekuyerera kwegasi, chinhambwe kuenda kune chinokonzeresa chiso-iyi paramita inoraira kusanganiswa kwekutanga. A fantastic nozzle panzvimbo isiriyo imarara. Isu tinowanzo shandisa CFD modhi segwara, asi hapana chinotsiva yekugadzira munda panguva yekutumwa. Iwe unogadzirisa kuyerera kwemazinga uye kumanikidza paunenge uchiyera kugoverwa kweammonia pane inopinza inlet. Dzimwe nguva, iwe unoona kuti kugadziridzwa kudiki kune imwe nozzle kuyerera kune cascading mhedzisiro pakugovera kwese.
Apa ndipo panobatsira modularity mune nozzle manifold design. Kana imwe nozzle iri pamutsetse wekudya unogadziriswa wega (mukati mechikonzero), inopa mainjiniya emunda chishandiso chine simba chekugadzirisa. Ndakaona masisitimu kwavakavharira zvese pasi zvakasimba kuti vachengetedze pamutengo wekuisa, kungopedza kagumi zvakare gare gare vachiedza kugadzirisa nyaya dzekugovera necatalyst layer gadziriso kana nekumhanya kupfuura inodiwa ammonia-to-NOx ratios.
Pakupedzisira, usaregeredza zvechivanhu: kusefa. Iyo urea solution, kunyangwe iri yepamusoro-giredhi, inogona kuve nema particulates kana kupenya. Chidimbu chidiki chemarara chinogona kuvhara muromo wemuromo. Yakasimba, yakawanda-nhanho kusefa kumusoro kweiyo jekiseni grid hakugone kutaurirana. Iinishuwarenzi yakachipa yeSCR system yese. Patanidza iyo ine yakanyatsogadzirwa nozzle ine yekuzvichenesa kugona (seimwe nzira yemukati yekuyerera iyo inoodza moyo dhipoziti kuvaka), uye iwe unowedzera zvakanyanya kuvimbika kwekushanda.
Kuiputira: Chikamu cheMugumisiro
Saka, iyo denitrification nozzle. Chikamu chidiki chine mutoro mukuru. Kuzvitsanangura kunoda kufamba kupfuura chinhu chakareruka uye kupfapfaidza angle yekudaidza-kunze. Inoda nhaurirano nezve emvuropu chaiyo inoshanda, mafuta, kurodha huruva, zviripo zveatomization zvinoshandiswa, uye huzivi hwekugadzirisa. Sarudzo yekugadzira mudiwa yakakosha zvakaenzana-iwe unoda mumwe munhu anonzwisisa zvese simbi yekusimba uye nekunyatso machining ekuita.
Mundima iyi, kukundikana kashoma kuputika kunotyisa; ivo vanononoka kupisa kwekushaya simba-kuwedzerwa kushandiswa kweammonia, catalyst poisoning, pressure drop issues. Vanodya mari zuva nezuva. Kuwana jekiseni chairo, kutanga nerobust, yakanyatso kubatwa nozzle, inoisa hwaro hwese SCR reaction. Ndechimwe chezvikamu izvo uko kudyara kwepamberi mukugadzira kwakaringana uye kugadzirwa kwemhando kunobhadhara chinyararire asi nguva dzose mumakore ekushanda. Iwe unomira kufunga nezvazvo, uye ndiyo yakanakisa kurumbidza chidimbu chemidziyo yekushandisa inogona kuwana.
Tichitarisa kumashure, mapurojekiti akafamba zvakapfava ndiwo atakabata jekiseni system kwete sekutenga kwezvinhu, asi seyakasanganiswa sub-system. Izvi zvaireva kubatanidza vatengesi vane mashandisirwo uye hudzamu hwekugadzira pakutanga kwechikamu chekugadzira, kwete kungotumira madhirowa akapera ekutora. Zvakaita mutsauko wose.
