1. Gushinga nibice byingenzi bigize spray irangi 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, solge organic ntishobora gufatanwa hejuru y’irangi, uburyo bwo gusiga irangi no gukiza bizarekura imyanda y’imyanda (bivugwa ko ibinyabuzima amagana y’ibinyabuzima bihindagurika, bikomoka kuri alkane, alkane, olefin, ibimera neza, inzoga, aldehyde, ketone, ester, ether, n’ibindi 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 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. Igice kinini cyimyuka ihumeka ikirere nikintu kama gishobora gusiga irangi rya spray, ibyingenzi byingenzi ni hydrocarbone ya aromatic (benzene eshatu na methane hydrocarubone yose), ether ya alcool, ester organic solvent, kubera ko ubwinshi bwimyuka yicyumba cya spray ari nini cyane, kuburyo ubwinshi bwa gaze ya imyanda kama yasohotse ari mike cyane, mubisanzwe hafi 100 mg / m3. Byongeye kandi, umunaniro wicyumba cyo gusiga amarangi akenshi urimo umubare muto wibicu bitavuwe neza, cyane cyane icyumba cyumye cyo gufata irangi ryumye, igihu cyirangi mumyuka, gishobora kuba inzitizi yo gutunganya imyanda, gutunganya imyanda bigomba kuba ari ukwitegura.
(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 umuyaga uhindagurika, kugirango hirindwe impanuka yo mu kirere ikomeretsa ibintu biturika, icyumba cyo mu kirere kigomba kuba umwuka uhoraho, guhindura umuyaga muri rusange kugenzura hafi 0.2 m / s, ibyuka biva mu kirere hamwe n’ibyumba bisohora amarangi, muri rusange ibyumba bya gaze byuzuye, mg / m3, mubisanzwe bivangwa numuriro wa 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 nziza, inzoga za alcool na ester organic solvent. 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 zifata uburyo bwo kohereza ikirere hejuru. Nubwo ubu buryo bushobora kuba bwujuje ubuziranenge bw’ibyuka bihumanya ikirere, ariko gazi y’imyanda ni imyanda itavuwe neza, kandi umubare w’imyuka ihumanya ikirere isohoka n'umurongo munini utwikiriye umubiri urashobora kuba hejuru ya toni amagana, ibyo bikaba byangiza cyane ikirere.
Igihu gisize irangi mumashanyarazi -— benzene, toluene, xylene numuti ukomeye wuburozi, ukorera mukirere mumahugurwa, abakozi nyuma yo guhumeka inzira yubuhumekero barashobora gutera uburozi bukabije kandi budakira, cyane cyane byangiza kwangirika kwimyanya ndangagitsina na hematopoietic yo hagati, guhumeka igihe gito cyane bishobora kuba biterwa na vaporo nkeya ya benzene, bitera kandi 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 bwicyumba
Umwuka wa gazi uva mucyumba cyo gusiga amarangi, icyumba cyo kumisha, 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 solge organic. 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 ihumanya imyuka ihumanya itavuwe, kandi umubare w’imyuka ihumanya ikirere isohorwa 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 moteri ya adsorption-desorption kugirango ushire hamwe inshuro zigera kuri 15), kugirango ugabanye amafaranga yose agomba kuvurwa, hanyuma ukoreshe uburyo bwangiza kugirango uvure imyanda yanduye. Hariho uburyo busa mubushinwa, uburyo bwa mbere bukoresha uburyo bwa adsorption (carbone cyangwa zeolite ikora nka adsorbent) kugirango habeho ubukonje buke, ubushyuhe bwo mucyumba gutera amarangi imyanda ya gazi ya adsorption, hamwe nubushyuhe bwo hejuru bwa gaze desorption, gaze imyanda yibanze ukoresheje catalitike yaka cyangwa uburyo bushya bwo gutwika amashyuza kugirango bivurwe. 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. Kugira ngo tugabanye rwose umwanda rusange w’imyanda y’imyanda, dukeneye kandi gukemura ikibazo kiva aho, nko gukoresha ibikombe bizunguruka bya electrostatike n’ibindi bikoresho kugira ngo tunoze igipimo cy’imikoreshereze y’imyenda, iterambere ry’imyenda ishingiye ku mazi n’ibindi 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 kuguma (1.0 ~ 1.2s), kandi ikemeza ko imvururu zikenewe (ikirere n’ibinyabuzima bivanze byuzuye), uburyo bwo kuvura bugera kuri 99%, kandi ubushyuhe bw’imyanda buri hejuru, kandi gukoresha ingufu ni bike. 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. Muri gahunda yo gutunganya imyanda no guhindura umurongo wubucuruzi bwimodoka ya Dongfeng, gazi yimyanda yumuriro wa electrophoretic primer yumye ikorwa nuburyo bwa RTO, naho imyanda yimyanda yo kumisha irangi hejuru ikoreshwa nuburyo bwo gutwika catalitike, kandi ingaruka zo gukoresha ni nziza.
※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 ibicu hamwe no gushonga mubikoresho byamazi, nyuma yo kuyungurura byumye, mugikoresho cya carbone adsorption yuzuye, nko gukora karubone ya adsorption yuzuye, hanyuma ukayambura (uburyo bwo kwambura ibyuka, gushyushya amashanyarazi, gukuramo azote), nyuma yo gukuramo gaze (kwibandaho byiyongereyeho inshuro nyinshi) mukwambura umuyaga mumashanyarazi ya catalitike yaka, gutwikwa mumazi ya karuboni.
2. W.ater spray + ikora karubone adsorption hamwe na desorption + uburyo bwo kugarura ibintu
Ukoresheje umunara wa spray kugirango ukureho ibicu hamwe no gushonga mubikoresho byamazi, nyuma yo kuyungurura byumye, mugikoresho cya carbone adsorption ikora, nko gukora karubone ya adsorption yuzuye, hanyuma ukayambura (uburyo bwo kwambura ibyuka, gushyushya amashanyarazi, gukuramo azote), nyuma yo gutunganya imyanda ya gazi ya adsorption yibitseho, ikomatanya no gutandukanya ibintu bifite agaciro gakomeye. 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, gusasa irangi risohora irangi "benzene eshatu" hamwe nubundi gazi ya gazi isohoka muri rusange iri munsi ya 300 mg / m3, ubushyuhe buke, ubwinshi bwumwuka mwinshi (ubwinshi bwimodoka ikora amarangi yo mu bwoko bwa mavuta yo mu kirere akenshi iba iri hejuru ya 100000), kandi kubera ko ibinyabiziga bitwikiriye ibicanwa biva mu nganda, ibishishwa byongera gukoreshwa bitoroshye gukoresha umwanda wa kabiri.
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 karubone ya adsorption mbere, hanyuma hamwe nubushyuhe buke bwa plasma ibikoresho bitunganya imyanda, bizavura igipimo cyogusohora gaze, uburyo bwa ion nugukoresha kwangirika kwa plasma Plasma (ION plasma) kwangiza imyanda kama, gukuraho umunuko, kwica bagiteri, virusi, kweza ikirere nikigereranyo cyubuhanga buhanitse, impuguke murugo ndetse no mumahanga zitwa kimwe mubintu bine byingenzi byubumenyi bwibidukikije mubinyejana bya 21. Urufunguzo rw'ikoranabuhanga ni ukunyura mu muvuduko mwinshi wa voltage pulse yo mu rwego rwo hejuru mu buryo bwinshi bwa ion ogisijeni ikora (plasma), gukora gaze, ikabyara ibintu byose bikoresha imbaraga za radicals zidegembya, nka OH, HO2, O, n'ibindi, benzene, toluene, xylene, ammonia, alkane hamwe n’ibindi byangiza imyanda y’umwanda, hamwe n’ibicuruzwa bitangiza ubumara bwangiza umubiri. 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
