FOGGINGhluavtaws hluavtaws tawvkuaj yog tsuas yog rau cov khoom tsis haum rau cov iav, los yog txhuas ntawv ci, ib txoj kev sim.Txoj kev sib kis ntawm lub teeb tuaj yeem siv los yog txoj kev hnyav, txoj kev hnyav yog yooj yim rau kev khiav lag luam thiab siv ntau dua, feem ntau hauv 2mg kom tau raws li tus qauv.
Cov ntsiab lus ntawm cov khoom tsis hloov pauv hauv cov khoom siv hauv tsheb hauv tsheb yog qhov tseem ceeb uas cuam tshuam rau sab hauv ib puag ncig thiab tsav tsheb pom kev.Nyob rau hauv tus txheej txheem ntawm ntau lawm thiab kev ua haujlwm txhim kho ntawmtsheb sab hauv accessories, cov tshuaj molecule me me zoo li yuav nkag mus rau hauv lawv, thiab cov khoom siv nkag tau yog volatile, tshwj xeeb tshaj yog thaum kub hauv lub tsheb siab.Cov khoom me me molecule volatilized nyob rau hauv lub tsheb sab hauv lossis ntab hauv huab cua, ua rau huab cua ib puag ncig hauv lub tsheb ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv tom qab nqus tau, los yog condensing ntawm lub qhov rais tsheb, ua rau muaj kev cuam tshuam rau txoj kab tsav tsheb ntawm qhov pom thiab hem kev nyab xeeb ntawm kev tsav tsheb.Yog li ntawd, yuav ua li cas los ntsuas cov ntsiab lus ntawm cov khoom tsis hloov pauv hauv cov khoom sab hauv ntawm lub tsheb yog ib qho kev txhawj xeeb hauv kev lag luam tsheb.Hnub no Bensen muab cov lus qhia ntxaws ntxaws rau koj.
●Keeb kwm ntawm kev ntsuas kev ua tau zoo fogging:
1992, German Automotive Standard Committee thiab Synthetic Materials Standard Committee tau tshaj tawm tus qauv, DIN 75201
1994, American Society of Motor Vehicle Engineers, SAE J1756
2000, International Organization for Standardization, ISO 6452
2005, Suav Standard QB/T 2728
Ntawm cov qauv kev xeem fogging tseem tsis tau muaj kev sib koom ua ke thoob ntiaj teb cov cai, koj tuaj yeem nkag siab txhua txoj hauv kev los xaiv qhov tsim nyog hauv zos tom qab txoj kev sim.
●Cov phom sij ntawm tawv volatile fogging thiab qhov tseem ceeb ntawm kev tshawb pom:
1. Cov pa roj tsis zoo nyob rau hauv lub tsheb qhov cua los yog qhov rais condensation, ua rau tsis pom kev, cuam tshuam rau tus neeg tsav tsheb qhov muag thiab kev nyab xeeb ntawm kev tsav tsheb.
2. Qee cov tshuaj tsis haum rau tib neeg lub cev thiab cuam tshuam rau kev noj qab haus huv ntawm cov neeg tsav tsheb thiab cov neeg caij tsheb.Tsim nyog tswj cov khoom tsis hloov pauv, kev ua haujlwm tsis zoo ntawm fogging (tseem hu ua fogging kev ua tau zoo) kev sim cov khoom siv hauv tsheb sab hauv yog qhov tsim nyog heev, fogging tus nqi siab tshaj tus qauv ntsuas ntawm cov khoom yuav tsis siv rauautomotive sab hauv.
Artificial tawvvim yog lub luag haujlwm ntawm ntuj tsim thiab tib neeg tsim thiab lwm yam, saum npoo yuav tshwm sim huab lossis ciam teb qhov muag plooj daim ntawv zais cia, hu ua tawv "cream".Xws li tawv hnub los nag,hluavtaws tawvyuav precipitate dawb hmoov ("kem ntsev");tawv muaj ntau ntawm fatty acids, ces tawv khoom nyob rau hauv tej yam kev mob tej zaum yuav tshwm sim "roj cream" blemish;thiab tawv "sulfur cream" kuj hu ua tawv nqaij cancer, nyuaj heev rau kov yeej;tawv rau ib lub sij hawm ntev nyob rau hauv kev khaws cia ntawm ib qho yooj yim rau loj hlob pwm ib puag ncig (siab kub thiab high humidity qhov cua, muaj cov as-ham stains, thiab lwm yam), nws nto yuav tshwm sim nrog ntau yam xim (grey, daj xim av, xiav ntsuab) pwm. qhov chaw, hu ua "pwm cream".
●Qhov ua rau ntawm plaub hom cream
Ntsev Cream
Vim tias cov tawv nqaij tsis tau ntxuav tag nrho tom qab neutralization thiab ua ntej lub nruas, muaj ntau cov ntsev soluble hauv cov tawv nqaij, xws li ntsev, mannite, alum, ci dej qab zib, thiab lwm yam. Cov ntsev soluble no yaj hauv cov dej noo hauv cov tawv nqaij, thiab yuav tsim "nqaij ntsev" rau ntawm daim tawv nqaij txheej tom qab ziab, los yog muaj nyob rau hauv lub xeev crystal ntawm lubtawv fibers, thiab yuav migrate mus rau tawv txheej txheej thaum ntsib ya raws.Thaum ntub, nws yuav txav mus rau ntawm daim tawv nqaij txheej txheej los ua "nqaij ntsev".Yog tias koj so tawm "nqaij ntsev" ntawm daim tawv nqaij, nws yuav tshwm sim dua thaum nws ntub, thiab thaum koj hlau nws nrog hlau kub, "nqaij ntsev" yuav tsis nqus los ntawm tawv.
Cov roj cream
Tawv yog tas li nyob rau hauv cov txheej txheem dynamic ntawm exhalation thiab inhalation nrog lub ntiaj teb sab nraud thaum lub sij hawm cia los yog siv.Cov dej vapor molecules nyob rau hauv tawv nqa cov saturated fatty acids thiab lawv cov esters ntawm cov collagen fibers mus rau hauv cov tawv nqaij, thiab condense rau hauv "roj cream" dawb me ntsis.Feem ntau "roj cream" yuav tshwm nyob rau hauv cov tawv nqaij nyoos nyob rau hauv fatty qhov chaw.Qhov laj thawj yog vim li cas cov txheej txheem ntawm cov tawv nqaij degreasing tsis txaus, los yog txhawm rau txhim kho qhov kev xav ntawm cov tawv nqaij siv cov khoom paraffin, cov khoom silicon, cov roj fatty acids siab heev thiab lwm cov dej cawv uas muaj roj ntsha tsis tuaj yeem nqus los ntawm cov tawv nqaij. , los yog tawv nrog oily txij nkawm nyob rau hauv lub wax tivthaiv ntau, mus rau hauv lub qhov hws, thiab lwm yam., nyob rau hauv cia thiab siv txheej txheem yooj yim rau migrate rau tawv nto, tsim "cov roj cream".
Sulfur Cream
Hauv kev lag luam tanning, feem ntau ntawm lawv siv cov hmoov tshauv-alkali kom tshem tawm cov plaub hau thiab ntub cov tshauv, uas muaj ntau cov NaHS thiab Na2S ntxiv, thiab cov tshuaj no tau oxidized hauv cov txheej txheem tom ntej los tsim S monomers ntawm tawv. fibers, yog li tsim cov kab mob tsis zoo ntawm "sulfur cream".Thaum cov tawv nqaij qhuav lawm los yog ci ntawm qhov kub thiab txias, "sulfur cream" tsis tshwm sim, thiab S muaj cov nyhuv ntawm cov tawv nqaij, uas tuaj yeem txo cov adhesion ntawm collagen thiab ua rau tawv nqaij zoo li nplua nuj, mos thiab nplua nplej, thiab lwm yam. ., tab sis vim hais tias S monomers tsis tiv taus qhov kub siab, yog li thaum nws ntsib qhov kub thiab txias, S yuav khiav tawm, thiab tom qab txias, nws yuav crystallize ntawm tawv tawv thiab tsim "sulfur cream".Tsim ntawm "sulfur cream".Vim hais tias cov monomer S muaj kev ruaj ntseg zoo heev ntawm chav tsev kub, muaj zog acid, muaj zog alkali, muaj zog oxidizing tus neeg sawv cev, muaj zog txo tus neeg sawv cev ntawm chav tsev kub tsis tuaj yeem hnov mob nrog nws, thiab nws yog me ntsis soluble hauv dej, yog li cov tshuaj no ib zaug tsim nyuaj heev. kov yeej.
Pwm Cream
Kev loj hlob ntawm pwm ntawm tawv nqaij muaj peb yam nram qab no.Ua ntej, tawv muaj cov khoom noj muaj txiaj ntsig ntawm pwm kev loj hlob.Raws li peb txhua tus paub, tawv rau lub ntuj polymer compound ua cov khoom, nws lub ntsiab Cheebtsam yog collagen protein thiab rog, nyob rau hauv ua tawv tawv, kuj ntxiv ib tug loj tus naj npawb ntawm cov tsiaj thiab nroj tsuag roj thiab rog, inorganic ntsev thiab minerals thiab casein, thiab lwm yam. ., cov no yog qhov zoo ntawm cov as-ham xav tau rau kev loj hlob ntawm pwm.Qhov thib ob, muaj ntau cov pwm spores hauv huab cua.Cov pwm spores ntab nrog cua, nrog rau kev sib ntsib, ib zaug lawv poob rau saum tawv, vim kev nkag tau rau cov khoom noj khoom haus nplua nuj, yooj yim heev kom loj hlob thiab rov tsim dua.Thib peb, cov txheej txheem tawv thiab khaws cia thiab kev thauj mus los, ua rau kev loj hlob thiab kev tsim tawm ntawm pwm.Pwm loj hlob kub, av noo thiab PH ntau yog dav heev, haum rau kev loj hlob ntawm kub 25 ~ 35 ℃, txheeb ze av noo siab tshaj 75%, PH tus nqi feem ntau yog nyob nruab nrab ntawm 1.5 ~ 11, qhov zoo tshaj PH tus nqi yog hais txog 6.0.Nyob rau hauv cov txheej txheem ntawm tanning, xws li acid dipping, tanning, retanning thiab xov, cov billets thiab cov tiav tawv yog nyob rau hauv acidic tej yam kev mob, thiab cov ntxeem tau ntawm tawv ua rau nws muaj zog hygroscopicity thiab siab dej ntsiab lus (cov dej ntsiab lus ntawm cov tawv nqaij tiav. feem ntau yog 14% ~ 18%).Nyob rau hauv cov xwm txheej ntawm huab cua kub thiab huab cua siab nyob rau sab qab teb ntawm Tuam Tshoj, tawv thiab nws cov khoom yog yooj yim heev rau pwm, thiab nyob rau hauv sab qaum teb kuj muaj peev xwm ntawm pwm.Qhov kub thiab av noo ib puag ncig hauv kev khaws cia thiab kev thauj mus los kuj muab cov kev mob zoo rau cov pwm ntev ntawm tawv.
●Lub hauv paus ntsiab lus ntawm volatile fogging nrhiav kom tau
Automotive khoom siv sab hauvtuaj yeem yog cov khoom tsis haum xeeb volatilized rau hauv huab cua tom qab cua sov, cua kub ntsib cov khoom cua txias, cov khoom tsis haum thiab condensed rau hauv cov kua txuas nrog cov khoom txias.Cov txheej txheem ntawm fogging yog volatilization ntawm cov khoom - condensation txheej txheem.
●Volatile fogging nrhiav kom tau txoj kev
1, Lusterity method.
Cov qauv hauv lub khob fogging tau ua kom sov los ntawm cov roj evaporated condensed rau ntawm qhov kub qis iav phaj, los ntawm kev sib piv cov nqi gloss ua ntej thiab tom qab lub condensation ntawm lub khob phaj thiab xam, tus nqi fogging ntawm cov qauv tuaj yeem muab tau.
2. Haze method.
Cov qauv hauv lub khob fogging tau ua kom sov los ntawm cov roj evaporated condensed rau ntawm qhov kub thiab txias ntawm cov iav phaj, los ntawm kev sib piv cov nqi taws kub nyhiab ua ntej thiab tom qab lub condensation ntawm iav phaj thiab xam, tus nqi fogging ntawm cov qauv tuaj yeem muab tau.
3 、 Qhov hnyav txoj kev.
Cov roj evaporated los ntawm cov qauv hauv lub khob fogging yog rhuab thiab condensed nyob rau hauv qis-kub aluminium ntawv ci, thiab qhov hnyav hloov ua ntej thiab tom qab lub condensation ntawm aluminium foil yog hnyav kom tau txais qhov hnyav ntawm fogging thiab condensation ntawm cov qauv.
●Tawv "cream" ntsuas ntsuas
Rau tawv "cream" teeb meem, tus yuam sij yog kev tiv thaiv, Bensen tuam txhab zus tau tej covhluavtaws hluavtaws tawvtsom mus rau degreasing thiab txhua tus txheej txheem ntawm kev ntxuav, tiv thaiv cov roj ntuj tsim los ntawm "cream".Nyob rau tib lub sijhawm, them nyiaj ntau dua rau cov khoom siv tshuaj lom neeg rau hauv lub Hoobkas kev sim thiab cov dej cawv muaj roj, nrog kev sib raug zoo, kev txav me me ntawm cov roj ntsha hluavtaws thiab cov roj zaub hloov ua cov cawv tseem ceeb, cov roj ntxhia zoo kom tsis txhob muaj lossis cuam tshuam. qhov tshwm sim ntawm "cream";anti-mildew yuav tsum tau hais nyob rau hauv cov txheej txheem kev khiav hauj lwm thiab cia cia, ntxiv anti-mildew tus neeg saib xyuas, warehouse cua cua, qhuav;tswj qhov kub thiab txias kom tsis txhob muaj "cream" ntawm qhov tsim nyog tshwm sim.
Cov khoom siv tawv tawv siv hauv lub neej niaj hnub xws li "nqaij ntsev" tuaj yeem so nrog cov phuam uas ntub thiab tag nrho wrung tawm, thiab ces so nrog emulsified khau polish tom qab ziab.Rau "roj cream" muaj ether los yog qhuav tam sim ntawd tom qab so nrog ib daim ntaub mos kom tshem tawm.Rau "pwm cream", nco ntsoov khaws cov khoom nyob rau hauv ib puag ncig qhuav, tsis tshua muaj kub, thaiv huab cua, decontamination thiab huv si.Thiab "sulfur cream" vim yog hu ua tawv "mob qog noj ntshav", ib zaug tsim nws nyuaj heev kom tshem tawm, yog li tsuas yog hauv cov txheej txheem tawv los tswj.
Post lub sij hawm: Dec-15-2021