1. Imiterere nibice byingenzi bigize spray imyanda
Uburyo bwo gushushanya bukoreshwa cyane mumashini, ibinyabiziga, ibikoresho byamashanyarazi, ibikoresho byo murugo, amato, ibikoresho byo munganda nizindi nganda.
Irangi ryibikoresho fatizo - - irangi rigizwe nibidahindagurika kandi bihindagurika, bidahindagurika harimo ibintu bya firime nibintu bya firime bifasha, ibikoresho bya dilution bihindagurika bikoreshwa muguhindura irangi, kugirango bigere kumigambi yubuso bwiza kandi bwiza.
Igikorwa cyo gutera amarangi cyane cyane gitanga irangi ryimyanda hamwe n’imyanda ihumanya imyanda, irangi ryakozwe nigitutu cyumuvuduko mwinshi mubice, mugihe cyo gutera, igice cyirangi nticyigeze kigera hejuru ya spray, gukwirakwizwa numwuka uhumeka kugirango habeho igihu; imyanda y’imyanda iva mu guhindagurika kwa diluent, ibishishwa kama ntibifatanije hejuru y’irangi, uburyo bwo gusiga amarangi no gukiza bizarekura imyanda y’imyanda (bivugwa ko amagana y’ibinyabuzima bihindagurika, kimwe na alkane, alkane, olefin, ibimera neza, inzoga, aldehyde, ketone, ester, ether, nibindi bikoresho).
2. Inkomoko n'ibiranga ibinyabiziga bitwikiriye gaze
Amahugurwa yo gusiga amamodoka agomba gukora irangi mbere yo kuvura, electrophorei no gusiga irangi kumurimo. Uburyo bwo gusiga amarangi burimo gusiga irangi, gutemba no gukama, muribwo buryo bizatanga imyanda kama (VOCs) hamwe na spray spray, ubwo buryo rero bukeneye gutera imyanda yo gutunganya ibyumba byo gusiga irangi.
(1) Guta imyanda mucyumba cyo gusiga irangi
Mu rwego rwo kubungabunga ibidukikije bikora byo gutera, hakurikijwe ibiteganywa n’amategeko agenga umutekano w’ubuzima n’ubuzima, ikirere kigomba guhinduka buri gihe mu cyumba cyo gutera, kandi umuvuduko w’imihindagurikire y’ikirere ugomba kugenzurwa mu ntera ya (0.25 ~ 1) ) m / s. Ibice nyamukuru bigize gaze isohora umwuka ni ibinyabuzima byangiza amarangi ya spray, ibice byingenzi byingenzi ni hydrocarbone ya aromatic (benzene eshatu na hydrocarubone zose zitari metani), inzoga ether, ester organic solvent, kubera ko umunaniro mwinshi wicyumba cya spray ari mwinshi nini, bityo igiteranyo cya gaze yimyanda kama yasohotse ni mike cyane, mubisanzwe hafi 100 mg / m3. Byongeye kandi, umunaniro wicyumba cyo gusiga irangi akenshi urimo umubare muto wibicu bitavuwe neza, cyane cyane icyuma cyumye cyo gusiga irangi ryumye, igihu cyirangi mumuriro, gishobora kuba inzitizi yo gutunganya imyanda, gutunganya imyanda igomba kuba kwitegura.
(2) Guta imyanda iva mucyumba
Irangi ryo mumaso nyuma yo gutera mbere yo gukama, ushaka gutembera umwuka, gusiga amarangi ya firime organic solvent mugikorwa cyo kumisha ihindagurika, kugirango hirindwe impanuka yo mu kirere ibinyabuzima biturika biturika, icyumba cyikirere kigomba kuba umwuka uhoraho, guhindura umuvuduko wikirere muri rusange kugenzura hafi 0.2 m / s, ibyuma bisohora ibyuka hamwe nicyumba cyo gusiga amarangi, ariko ntikirimo ibicu bisiga irangi, ubwinshi bwa gaze yimyanda kama kuruta icyumba cya spray, ukurikije ubwinshi bwumuriro, mubisanzwe mubyumba bya spray ibyuka bya gaze byikubye inshuro 2, Irashobora gushika 300 mg / m3, mubisanzwe ivanze nicyumba cya spray nyuma yo kuvurwa hagati. Byongeye kandi, icyumba cyo gusiga amarangi, pisine yo gutembera hejuru yimyanda igomba no gusohora gaze imyanda kama.
(3)Drying gaz
Ibigize imyanda yumisha iraruhije cyane, usibye kumashanyarazi kama, igice cya plasitike cyangwa resin monomer nibindi bice bihindagurika, ariko kandi bikubiyemo ibicuruzwa byangirika, ibicuruzwa bivamo reaction. Electrophoretic primer na solvent ubwoko bwa topcoat yumisha bifite imyuka ya gaze isohoka, ariko ibiyigize nibitandukaniro ni binini.
※Ibyago bya spray irangi gazi isohora:
Birazwi uhereye ku isesengura ko imyanda iva mu cyumba cyo guteramo, icyumba cyo kumisha, icyumba cyo kuvanga amarangi hamwe n’icyumba cyo gutunganya imyanda yo hejuru y’imyanda itagaragara cyane kandi itemba cyane, kandi ibyingenzi bigize umwanda ni hydrocarbone ya aromatique, ethers ya alcool na ester organic umusemburo. Dukurikije “Ikwirakwizwa ry’ibyuka bihumanya ikirere”, ubusanzwe imyuka ya gaze y’imyanda iba iri mu rwego rwoherezwa mu kirere. Kugirango duhangane n’ibipimo by’ibyuka bihumanya ikirere mu nganda zisanzwe, inganda nyinshi z’imodoka zikoresha uburyo bwo kohereza ikirere hejuru. Nubwo ubu buryo bushobora kuba bwujuje ubuziranenge bw’ibyuka bihumanya ikirere, ariko gaze y’imyanda ntisanzwe itunganijwe neza, kandi umubare w’imyuka ihumanya ikirere isohoka n’umurongo munini utwikiriye umubiri urashobora kuba hejuru ya toni amagana, ibyo bikaba byangiza cyane kuri ikirere.
Igihu cyirangi mumashanyarazi kama - - benzene, toluene, xylene numuti ukomeye wuburozi, ukorera mumyuka mumahugurwa, abakozi nyuma yo guhumeka inzira zubuhumekero barashobora gutera uburozi bukabije kandi budakira, cyane cyane byangiza sisitemu yo hagati ya nervice na hematopoietic. , guhumeka mugihe gito cyane (hejuru ya mg / m3 zirenga 1500) zumwuka wumwuka wa benzene, birashobora gutera amaraso make ya aplastique, akenshi ushiramo umwuka muke wumuyaga wa benzene urashobora kandi gutera kuruka, ibimenyetso byubwonko nko kwitiranya ibintu.
※Guhitamo uburyo bwo gutunganya imyanda yo gusiga irangi no gusiga:
Muguhitamo uburyo bwo kuvura kama, ibintu bikurikira bigomba kwitabwaho muri rusange: ubwoko nubunini bwimyanda ihumanya ikirere, ubushyuhe bwimyuka mvaruganda nigipimo cy’ibisohoka, ibirimo ibintu, hamwe n’urwego rwo kurwanya umwanda bigomba kugerwaho.
1S.senga irangi mugihe cyo kuvura ubushyuhe
Umwuka wa gazi uva mucyumba cyo gusiga amarangi, icyumba cyo gukanamo, icyumba cyo kuvanga amarangi hamwe n’icyumba cyo gutunganya imyanda yo hejuru y’amazi ni icyumba cy’ubushyuhe bwo mu cyumba cya gaze gike cyane kandi gitemba ibintu byinshi, kandi igice kinini cy’imyanda ihumanya ni hydrocarbone nziza, inzoga na ethers hamwe na ester organic solvent . Dukurikije GB16297 “Ikwirakwizwa ry’ibyuka bihumanya ikirere”, ubusanzwe imyuka ya gaze y’imyanda iba iri mu kirere. Kugirango duhangane n’ibipimo by’ibyuka bihumanya ikirere mu nganda zisanzwe, inganda nyinshi z’imodoka zifata uburyo bwo kohereza ikirere hejuru. Nubwo ubu buryo bushobora kuba bwujuje ubuziranenge bw’ibyuka bihumanya ikirere, ariko gazi y’imyanda iragabanuka cyane ko itavuwe, kandi umubare w’imyuka ihumanya ikirere isohoka n'umurongo munini utwikiriye umubiri urashobora kuba hejuru ya toni amagana, ibyo bikaba byangiza cyane ikirere.
Mu rwego rwo kugabanya cyane imyuka ihumanya ikirere, uburyo bwinshi bwo gutunganya gazi zishobora gukoreshwa hamwe kugirango bivurwe, ariko ikiguzi cyo gutunganya gaze ya gaze hamwe n’umwuka mwinshi ni mwinshi cyane. Kugeza ubu, uburyo bw’amahanga bukuze cyane ni ukubanza kwibanda (hamwe na adsorption-desorption ibiziga kugirango ushire hamwe inshuro zigera kuri 15), kugirango ugabanye amafaranga yose agomba kuvurwa, hanyuma ukoreshe uburyo bwangiza kugirango uvure u imyanda ya gaze. Hariho uburyo busa mubushinwa, uburyo bwa mbere bukoresha uburyo bwa adsorption (carbone cyangwa zeolite ikora nka adsorbent) kugirango habeho ubukonje buke, ubushyuhe bwicyumba cyo gutera amarangi imyanda ya gazi ya adsorption, hamwe nubushyuhe bwo hejuru bwa gazi desorption, imyanda yimyanda ikoresheje gutwika catalitike cyangwa uburyo bushya bwo gutwika amashyuza kuri kwivuza. Ubushuhe buke, ubushyuhe busanzwe bwo gusiga irangi imyanda ya gaz uburyo bwo gutunganya ibinyabuzima burimo gutezwa imbere, tekinoroji yo murugo muriki gihe ntabwo ikuze, ariko birakwiye ko tubyitaho. Kugirango tugabanye rwose umwanda rusange w’imyanda y’imyanda, dukeneye kandi gukemura ikibazo kiva aho, nko gukoresha ibikombe bizunguruka bya electrostatike n’ubundi buryo bwo kuzamura igipimo cy’imikoreshereze y’imyenda, iterambere ry’imyenda ishingiye ku mazi nibindi bikoresho byo kurengera ibidukikije.
2D.rying gutunganya imyanda
Kuma imyanda yumye ni murwego rwohejuru kandi rwinshi rwa gaze yubushyuhe bwo hejuru, ibereye gutunganya uburyo bwo gutwika. Imyitwarire yaka ifite ibintu bitatu byingenzi: igihe, ubushyuhe, guhungabana, ni ukuvuga, gutwika ibintu 3T. Imikorere yo gutunganya imyanda ni murwego ruhagije rwimyuka yaka kandi biterwa na 3T igenzura imiterere yumuriro. RTO irashobora kugenzura ubushyuhe bwo gutwikwa (820 ~ 900 ℃) nigihe cyo kumara (1.0 ~ 1.2s), kandi ikemeza ko imvururu zikenewe (ikirere n’ibinyabuzima bivanze rwose), uburyo bwo kuvura bugera kuri 99%, kandi igipimo cy'ubushyuhe kiri hejuru, kandi ingufu zikoreshwa ni nke. Inganda nyinshi z’Abayapani mu Buyapani no mu Bushinwa zikoresha RTO mu rwego rwo kuvura hagati ya gaze yuzuye yo gukama (primer, coating medium, top coat dry). Kurugero, imodoka itwara abagenzi ya Dongfeng Nissan Huadu ikoresha umurongo wa RTO ukoresheje uburyo bwo kuvura ibyuka byangiza gaze ni byiza cyane, byujuje byuzuye ibisabwa n’amabwiriza y’ibyuka bihumanya ikirere. Ariko, kubera ishoramari rimwe rimwe ryibikoresho byo gutunganya imyanda ya RTO, ntabwo ari ubukungu gutunganya imyanda hamwe n’imyanda mito.
Kumurongo wuzuye wo gutwikira, mugihe hakenewe ibikoresho byongera gutunganya imyanda, sisitemu yo gutwika catalitike hamwe na sisitemu yo gutwika amashyanyarazi irashobora gukoreshwa. Sisitemu yo gutwika ya catalitiki ifite ishoramari rito hamwe no gukoresha ingufu nkeya.
Muri rusange, gukoresha / platine nka catalizator birashobora kugabanya ubushyuhe bwa okiside ya gaze imyanda myinshi igera kuri 315 ℃. Sisitemu yo gutwika ya catalitiki irashobora gukoreshwa mugutunganya imyanda rusange yumye, cyane cyane ikwiranye nogutanga amashanyarazi ukoresheje ibihe byo gushyushya amashanyarazi, ikibazo gihari nuburyo bwo kwirinda kunanirwa kwangiza uburozi. Duhereye ku bunararibonye bwa bamwe mubakoresha, kubisanzwe muri rusange irangi ryumisha imyanda, mukwongera kuyungurura imyanda nizindi ngamba, birashobora kwemeza ko ubuzima bwa catalizator ari imyaka 3 ~ 5; irangi rya electrophoreque yumisha imyanda biroroshye gutera uburozi bwa catalizator, bityo rero kuvura irangi rya electrophoreque yumisha imyanda imyanda igomba kwitonda ukoresheje gutwika catalitiki. Mubikorwa byo gutunganya imyanda no guhindura umurongo wubucuruzi bwimodoka ya Dongfeng, gazi yimyanda yo gukama primer yumuriro ikorwa nuburyo bwa RTO, naho imyanda yimyanda yo kumisha irangi hejuru ikorwa nuburyo bwo gutwika catalitiki, kandi ingaruka zo gukoresha ni byiza.
※Shira irangi risize imyanda yo gutunganya imyanda:
Gusasa imyanda yo gutunganya imyanda ikoreshwa cyane cyane mugutunganya ibyumba byo gusiga irangi ibyumba byo gutunganya imyanda, gutunganya ibikoresho byo mu ruganda ibikoresho byo gutunganya imyanda, gutunganya inganda zangiza imyanda, gutunganya imyanda yo mu ruganda rutunganya imyanda, gukora amamodoka hamwe n’imodoka 4S iduka rya spray irangi ibyumba byo gutunganya imyanda. Kugeza ubu, hari uburyo butandukanye bwo kuvura, nka: uburyo bwa kondegene, uburyo bwo kwinjiza, uburyo bwo gutwika, uburyo bwa catalitiki, uburyo bwa adsorption, uburyo bwa biologiya nuburyo bwa ion.
1. W.uburyo bwa ater spray + yakoresheje carbone adsorption na desorption + catalitike yaka
Ukoresheje umunara wa spray kugirango ukureho irangi ryijimye hamwe no gushonga mubikoresho byamazi, nyuma yo kuyungurura byumye, mugikoresho cya adsorption ya carbone ikora, nka carbone ya adsorption yuzuye, hanyuma ukiyambura (uburyo bwo kwiyambura ibyuka, gushyushya amashanyarazi, gukuramo azote), nyuma kwiyambura gaze (kwibumbira hamwe byiyongereyeho inshuro nyinshi) mukwambura umuyaga mumashanyarazi ya catalitiki yaka, gutwikwa muri karuboni ya dioxyde namazi, nyuma yo gusohoka.
2. W.ater spray + ikora karubone adsorption hamwe na desorption + uburyo bwo kugarura ibintu
Ukoresheje umunara wa spray kugirango ukureho irangi ryirangi hamwe nubushonga mubikoresho byamazi, nyuma yo kuyungurura byumye, mugikoresho gikoreshwa na adsorption ya carbone, nka carbone ya adsorption yuzuye, hanyuma ukayambura (uburyo bwo kwambura amashanyarazi, gushyushya amashanyarazi, gukuramo azote), nyuma gutunganya imyanda ya gazi ya adsorption yibanze, kondensate mugutandukanya kugarura ibintu kama bifite agaciro. Ubu buryo bukoreshwa mugutunganya imyanda hamwe nubushyuhe bwinshi, ubushyuhe buke nubunini bwumwuka muke. Ariko ubu buryo bwo gushora imari, gukoresha ingufu nyinshi, ikiguzi cyo gukora, gusiga irangi risiga irangi "benzene eshatu" hamwe nubundi gaze ya gaze ya gazi isanzwe iri munsi ya 300 mg / m3, ubukonje buke, ubwinshi bwumwuka mwinshi (gukora amamodoka akora amarangi amamodoka akayaga kenshi muri hejuru 100,000
3. W.uburyo bwa aste gaz
Gusiga irangi imyanda itunganya imyanda irashobora kugabanywamo imiti ya adsorption hamwe na adsorption yumubiri, ariko ibikorwa bya chimique ya "benzene eshatu" ni bike, mubisanzwe ntibikoresha imiti. Amazi akurura umubiri akurura ibintu bidahindagurika, kandi bikurura ibice bifite isano iri hejuru yo gushyushya, gukonjesha no kongera gukoresha isesengura ryuzuye. Ubu buryo bukoreshwa mu kwimura ikirere, ubushyuhe buke, hamwe no kwibanda cyane. Kwishyiriraho biragoye, ishoramari ni rinini, guhitamo amazi yo gukuramo biragoye, hariho umwanda ibiri
4. A.ctivated carbone adsorption + UV Photocatalytic ibikoresho bya okiside
(1). .
5.A.ctivated carbone adsorption + ibikoresho bya plasma yo hasi
Nyuma yo gukora carbone adsorption mbere, hanyuma hamwe nubushyuhe buke bwa plasma ibikoresho bitunganya imyanda, bizavura igipimo cyogusohora gaze, uburyo bwa ion nugukoresha plasma Plasma (ION plasma) kwangirika kwimyanda myanda, gukuraho umunuko, kwica bagiteri, virusi, kweza ikirere nikigereranyo cyubuhanga buhanitse bwo kugereranya, abahanga mugihugu ndetse no mumahanga bitwa kimwe mubintu bine byingenzi byubumenyi bwibidukikije mu kinyejana cya 21. Urufunguzo rw'ikoranabuhanga ni ukunyura hejuru ya voltage pulse yo hagati isohoka mu buryo bw'umubare munini wa ion ogisijeni ukora (plasma), gukora gaze, utanga ibintu byose bitandukanye bya radicals yubusa, nka OH, HO2, O, nibindi .. Ikoranabuhanga rifite ibiranga gukoresha ingufu nke cyane, umwanya muto, gukora byoroshye no kubungabunga, kandi birakwiriye cyane cyane kuvura imyuka itandukanye.
Bincamake ya rief:
Ubu hariho uburyo bwinshi bwo kuvura ku isoko, kugirango twuzuze ibipimo ngenderwaho by’igihugu ndetse n’ibanze, tuzahitamo uburyo butandukanye bwo kuvura buhujwe no gutunganya gaze y’imyanda, kugirango duhitemo inzira zabo bwite zo kuvura.
Igihe cyo kohereza: Ukuboza-28-2022
