Denitrification Nozzle: Kusankha kwa Aloyi ndi Chitsogozo Chopanga Zopanga 

Chidule: Bukuli limakhudza kusankha kwa aloyi, njira zopangira ndalama, zolakwika, makina a CNC ndi zofunikira zowunikira ma nozzles omwe amagwiritsidwa ntchito mu SCR ndi SNCR flue gas system.

Ma Nozzles a Denitrification ndi ofunika kuvala mkati mwa makina a SCR ndi SNCR flue denitration system, omwe amakhala ndi kutentha kwa cyclic, dzimbiri la ammonia / urea komanso kukokoloka kwa phulusa.

Bukhuli limayang'ana kwambiri pa ma nozzles otulutsa, kuphimba momwe amagwirira ntchito, kufananitsa giredi ya alloy, mayendedwe opangira ndalama, kupewa zolakwika ndi zolemba zomaliza za CNC pamachitidwe opangira nozzle.

Kodi Cast Denitrification Nozzle & Makhalidwe Ake Antchito Ndi Chiyani?

Mphuno yotchedwa cast denitrification nozzle ndi chinthu chomwe chimapangidwa kuti chizibaya urea kapena ammonia reductant mofanana mu mitsinje ya gasi kuti ichiritse.

Mosiyana ndi ma nozzles omwe amapangidwa mwachindunji kuchokera kuzitsulo zolimba, ma nozzles oponyera amathandizira njira zovuta zolowera mkati, madoko angapo opopera ndi zida zophatikizika zomangika zomwe zimakhala zovuta kapena zokwera mtengo kupanga ndi makina olimba.

Malo ogwiritsira ntchito ma nozzles otulutsa mpweya wa flue amapanga njira zowonongeka zomwe zimafupikitsa moyo wautumiki:

• Kuwonekera kosalekeza kapena kusinthasintha kwa kutentha kwambiri mkati mwa boiler ndi ma ductwork;
• Chemical dzimbiri kuchokera ammonia, ammonium bisulfate ndi acidic flue mpweya byproducts;
• Kukokoloka kwa tinthu kolimba chifukwa cha phulusa la ntchentche lomwe limatengedwa mkati mwa mpweya wa flue;
• Kuthamanga mobwerezabwereza kotentha komwe kumayambitsa kutopa kwamafuta pazigawo zopyapyala zokhala ndi mipanda yopyapyala komanso mozungulira potuluka mphuno.

Nkhaniyi silowa mozama mu SCR kapena SNCR chemical reaction theory.

Chitsogozo chonse apa chimayang'ana pa zinthu zoponyera, kupanga ndi kuyang'anira kutulutsa kwa nozzle.

Kusankhidwa kwa Zinthu za Alloy kwa Ma Denitrification Nozzle Castings

Kusankha kwazinthu ndiye chisankho chothandiza kwambiri pa moyo wautumiki wa denitrification.

Pa ntchito yoletsa kukokoloka, kukana kukokoloka kumayikidwa patsogolo, kutsatiridwa ndi kukhazikika kwa kutentha kwambiri, kukana kwa dzimbiri ndi bajeti ya polojekiti.

Dera la fine spray orifice ndiye malo omwe amalephera kwambiri popanga ma nozzles.

Mfundo zosankhidwa za denitration nozzle alloys

Mukawunika ma aloyi opangira ma denitrification nozzles, fananizani giredi ya alloy ndi njira yolephereka kwambiri m'malo anu a gasi:

• Kunyamula phulusa la ntchentche zolemera: ikani patsogolo cobalt wosamva kuvala kapena zosakaniza zolimba;
• Kuopsa kwakukulu kwa ammonium bisulfate ndi acidic condensate: kuika patsogolo ma aloyi a nickel-molybdenum-resistant corrosion;
• Kutentha kosasunthika, kokwera pang'ono kokhala ndi gasi woyera: gwiritsani ntchito chitsulo chosapanga dzimbiri chosagwira kutentha powongolera mtengo.

Common casting alloy giredi & malire a ntchito

Gulu lililonse la alloy limakhala ndi mphamvu zomveka bwino komanso zolepheretsa kugwiritsa ntchito gasi wa flue:

• 310S zosapanga dzimbiri kuponya: oyenera kutentha zolimbitsa, ndi woyera chitoliro mpweya ndi otsika ntchentche phulusa ndende; kukana kukokoloka kochepa pansi pa phulusa lalikulu.
• Duplex 2205 / 2507: imapereka kukana kwabwino kwa chloride ndi dzimbiri acidic, koma imakhala ndi kutentha kosalekeza kosalekeza poyerekeza ndi ma aloyi a faifi tambala osagwira kutentha.
• Hastelloy C276: okondedwa pamene dzimbiri ammonium bisulfate ndi acidic flue gasi ali pachiwopsezo chachikulu; imagwira ntchito bwino m'malo owopsa a corrosive denitration.
• Stellite 6 (cobalt alloy): kukana kwambiri kukokoloka kwa tinthu; Chisankho chapamwamba chamasamba omwe ali ndi phulusa lambiri, ngakhale amabwera pamtengo wapamwamba komanso mtengo wamakina.
• Inconel 625: yoyenera malo opangira magetsi oyaka moto ndi malasha komwe kutentha kwambiri, dzimbiri komanso kukokoloka kwa phulusa la ntchentche zimayendera limodzi.

Gome lofananitsa lazinthu zamanozzles oponyera denitrification

Chidziwitso: Kutentha komwe kumawonetsedwa kumatengera kutentha kosalekeza kwa nthawi yayitali kwa utumiki kokha. Kutentha kocheperako kumatha kupitilira izi. Zongofuna kudziwa zambiri zokha. Kutsimikizika komaliza kwazinthu kuyenera kutsimikiziridwa ndi data yamtundu wa gasi wochokera patsamba lanu ndi ma data a alloy mill.

Kuponyera Njira ya Denitrification Nozzle Components

Njira yoponyera yomwe mumakonda: Kuponya ndalama (kutaya sera)

Kuponyera ndalama, komwe kumadziwikanso kuti kutayika kwa sera, ndiye njira yodziwika bwino yopangira zopangira zodziwikiratu.

Njirayi ndi yoyenera pazigawo izi pazifukwa zingapo:

• Imaberekanso njira zodutsa mkati, makoma owonda komanso mawonekedwe ang'onoang'ono opopera omwe ali ndi mawonekedwe apamwamba;
• Imapanga malo osalala ngati oponyedwa, kuchepetsa kuchuluka kwa masheya komwe kumafunikira pakapangidwe ka CNC.

Kuponyera mchenga nthawi zambiri sikuvomerezeka pamipumidwe yodziwikiratu yomwe ili ndi ndime zovuta zamkati kapena zololera zopopera.

Itha kuganiziridwa ngati ma nozzles osavuta, osagwira ntchito pang'ono okhala ndi ntchito zotayirira.

Kumapeto kwa malo owoneka bwino, chiwopsezo chachikulu cha kusuntha kwapakati komanso kukhazikika kwamkati pafupi ndi tinjira tating'onoting'onoting'ono kumapangitsa kuti mchenga ukhale wosadalirika pazogwiritsa ntchito zambiri.

Foundry quality control points

Kuwongolera kwa Foundry kumatsimikizira mwachindunji ngati kuponyera kwa nozzle kupulumuka ntchito yam'munda:

• Malo osungunuka otetezedwa kuti apewe makutidwe ndi okosijeni ndi kuwonongeka kwa zinthu pakusungunuka kwa alloy;
• Zoyenera zosungunula zitsulo kusefera kuti msampha slag particles pamaso kudzaza nkhungu patsekeke;
• Maonekedwe a mageti okwera ndi okwera omwe amapangidwira makamaka geometry ya nozzle, kuti ayang'ane zolakwika za shrinkage kutali ndi zitsulo zopopera;
• Kusankha kwa zinthu zamtundu wa refractory kumagwirizana ndi nickel yokhazikika komanso aloyi a cobalt amasungunuka.

Zowonongeka kwambiri zoponyera & zoopsa zolephera za denitrification nozzles

Kuwonongeka kwina kumapangitsa kuti pakhale zovuta zodalirika za nozzles, ngakhale gawolo litadutsa pakuwunika koyambira:

• Shrinkage porosity pafupi ndi orifice kutsitsi: zingayambitse m'njira atomization, kutayikira mkati ndi inapita patsogolo kukokoloka kwa kumaloko;
• Kuphatikizidwa kwa Slag: kumapanga malo oyambira kufalitsa ming'alu pansi pa njinga yamoto yotentha;
• Kung'ambika kotentha: nthawi zambiri kumachitika pakusintha kwagawo ndi makoma owonda amphuno pansi pa kupsinjika kwakukulu kwa aloyi;
• Kusintha kwapakati: kusintha malo otuluka, ngodya yopopera ndi kugawa koyenda kwa nozzle yomalizidwa.

Njira zodzitetezera zimaphatikizapo kayesedwe ka nkhungu, kuzizira koyendetsedwa bwino komanso kapangidwe kake kothandizira pakapangidwe ka sera.

CNC Machining, Inspection & Acceptance Notes

Casting imapereka mawonekedwe oyandikira-ukonde opanda kanthu, koma mawonekedwe ofunikira a denitrification nozzle amadalira kulondola pambuyo pakukonza.

Machining kuyang'ana kwa orifice nozzle ndi malo osindikizira

The orifice orifice bore, kusindikiza nkhope, maulalo a ulusi ndi malo okwera amafunikira kulolerana kolimba kwa CNC Machining.

Geometry yomaliza ya orifice imawongolera mwachindunji ngodya yopopera, kukula kwa madontho ndi kuchuluka kwamayendedwe.

Ma aloyi opangidwa ndi nickel ndi cobalt ndi ovuta kupanga makina.

Mashopu opanga ma denitrification nozzle castings ayenera kusankha zida zoyenera, zodulira ndi njira zoziziritsira kuti apewe kuuma kwa ntchito, kung'ambika komanso kugwedezeka.

Mandatory NDT & mayeso ovomerezeka

Kuyang'anira kovomerezeka kwanthawi zonse kwa ma denitrification ma nozzle castings nthawi zambiri kumaphatikizapo:

• Kuyesa kwa PT kuti azindikire ming'alu yapamtunda, misozi yotentha ndi porosity yowonekera;
• UT akupanga kuyendera kwa subsurface shrinkage kapena inclusions mu zigawo wandiweyani;
• Kuyesa kwa hydrostatic leak kuti muwonetsetse kuti njira zolowera mkati sizikutuluka;
• Kuyang'ana kwapang'onopang'ono kwa CMM kutsimikizira kukula kwa orifice, ngodya yopopera ndi miyeso yokwerera ikufanana ndi zojambula.

Zosankha pambuyo pa chithandizo

Passivation imagwiritsidwa ntchito pazitsulo zosapanga dzimbiri ndi nickel alloy nozzles kuti zithandizire kukana dzimbiri.

Kukhazikika kwa kutentha kwamankhwala kungatchulidwe kuti muchepetse kupsinjika kotsalira musanayambe kukhazikitsa.

Kukhazikika kolimba kumatha kuganiziridwa ngati chitetezo chowonjezera cha mavalidwe m'malo akukokoloka kwa phulusa.

Zochitika Zodziwika Zogwiritsa Ntchito Ma Nozzles a Cast Denitrification

Manozzles a Cast denitrification amafalitsidwa kwambiri m'malo ochizira gasi:

• Malo opangira magetsi opangira malasha SCR ndi SNCR denitration systems;
• Magawo a simenti owunikira gasi;
• Ma boilers oyaka ndi zinyalala ndi biomass;
• Ntchito zopangira ng'anjo yamafakitale ndi zowotchera gasi.

Mutha kupeza ma nozzles athu opangira denitrification patsamba lathu lodzipatulira.

Kuti mumve zambiri pakupanga zinthu zofananira, mutha kuwunikiranso kalozera wathu wazomwe zimatenthetsa kwambiri.

FAQ

Kodi ndingagwiritse ntchito ma nozzles okhazikika a 316L potsimikizira kuti ndizovuta kwambiri?

Nthawi zambiri ayi. 316L ili ndi mphamvu zochepa zotentha kwambiri komanso kusakanizidwa bwino ndi ammonium bisulfate ndi kukokoloka kwa phulusa.

Ndiwosayenera pafupifupi malo onse otsutsa zolemetsa. Itha kukhala yovomerezeka pakutentha kotsika kwambiri, gasi waukhondo wamafuta osafunikira kwambiri.

Kodi kuponya ndalama kumafunika nthawi zonse kuti tipeze ma denitrification nozzles?

Kwa ma nozzles omwe ali ndi ndime zovuta zamkati kapena mapangidwe opopera amitundu yambiri, kuyika ndalama kumakondedwa kwambiri.

Ma nozzles osavuta okhala ndi khomo limodzi nthawi zina amatha kupangidwa kuchokera ku bar stock, koma izi zimakhala kunja kwa kalozera uyu.

Kodi njira yolephereka kwambiri ya denitrification nozzle casting ndi iti?

Kukokoloka kwa m'mphepete mwa tsinde lopoperapo, kutsatiridwa ndi dzimbiri-kutopa kusweka koyambira pa porosity yobisika kapena kuwonongeka kwa kuphatikiza.

Kodi ma stellite alloy nozzles angakonzedwe pambuyo pakukokoloka?

Zowonongeka zazing'ono zokokoloka zimatha kukonzedwanso ndi hardfacing reclamation, koma kuthekera kokonzanso kumadalira makulidwe otsala a khoma ndi malo ovala.

Zotulutsa zokokoloka kwambiri kapena zosweka za nozzle nthawi zambiri zimafunikira kusinthidwa.