LED teeb ci qhov muag yog kev ntshai ntawm leej faj, qhov no yog vim hais tias cov tshuaj hnoos-muaj roj los ntawm nws cov kua txob ntawm lub silica gel los yog cov kis sib txawv, nrog lub teeb qhov nyiaj nyiaj txheej vulcanization ras. LED teeb pom tshwm ntawm qhov tshwm sim los ntawm vulcanization, cov khoom ua haujlwm yuav yog xim dub, lub luminous flux yuav maj mam poob, xim kub tshwm li txav; vulcanized silver sulfide nrog cov kub nce nyob rau hauv conductivity, nyob rau hauv cov chav kawm ntawm lub phenomenon, nquag ploj phenomenon; Qhov teeb meem no yog tias cov nyiaj nyiaj tag nrho yog corroded thiab tooj liab txheej yog raug. Raws li cov xov hlau kub ob kab yas txuas nrog rau txheej txheej txheej, thaum lub plhaub thaj tsam ntawm cov nyiaj tshuav nyiaj yog qhov pov thawj tag nro, lub pob kub poob tawm, uas ua rau tuag teeb.
LED teeb uas muaj ntau tshaj 50 yam ntawm cov ntaub ntawv raw, cov ntaub ntawv uas tseem yuav muaj cov phev, tshuaj dawb thiab bromine ntsiab. Nyob rau hauv kev kaw, kub kub qhov chaw, cov mis sulfur, tshuaj dawb thiab bromine ntsiab tej zaum yuav ua rau khoo rau hauv roj thiab ua rau lub teeb ci teeb ci. Li ntawd, lub teeb pom kev zoo muaj lub luag haujlwm thiab kev lav phib xaub kom muab cov dej tsis muaj chaw pub rau LED qhov chaw.
LED roj teeb tej zaum yuav muaj cov tshuaj hnoos / chlorine / bromine:
1. Power: LED built-in muaj hwj chim muaj ob peb yam los sis peb yam khoom raw li, xws li PCB lub rooj tsav tsheb, phoov roj hmab hluav taws roj hmab hluav taws xob thiab cov roj hmab hluav taws xob thaiv yas, plastics halogen muaj nplua yas, cov tshuab hluav taws xob, muaj tshuaj muaj nyhav, tshuaj dawb thiab bromine ntsiab. Thaum lub hwj chim kub, cov ntaub ntawv no yuav ua rau cov hmoov nchuav me me, chlorine \ chlorine \ bromine roj thiab nitrogenous dej thaum ua ke, yuav ua rau cov roj ntsha corrosive, ua rau corrosion ntawm LED.
2. PCB Board: Kev tsim khoom ntawm Circuit Board boards nyob rau hauv lub khw muaj qee yam ntawm cov tshuaj lom neeg pov tseg, Txawm hais tias PCB Circuit Board pawg lag luam nyob rau hauv tus txheej txheem ntawm tu lub phaj yuav tshem tawm cov kua phom residual residual residues, tab sis cov txheej txheem kev tsim ntau nyuaj Ntxuav thiab huv si.
3. Sulfur-muaj roj hmab hluav taws xob cord thiab roj hmab rwb thaiv npoo Yas: vulcanized roj hmab yuav ua tau -65 ~ 250 ℃ qhov kub ntev, thiab muaj hluav taws xob thiab tshuaj ruaj khov, tsis muaj dej, ua kom tsis muaj zog, huab cua ua haujlwm laus, ua ke nrog kev siv yooj yim, kev ua raws cai, thiab yog li ntawd dav siv nyob rau hauv kev lag luam hauv tuam txhab, xws li tshuab hluav taws xob ntawm cov txheej, potting, ntim khoom.
4. Cov ntaub ntawv pov thawj uas muaj hlua ruaj khov: cov ntawv luam tawm ntawm cov khoom hluav taws xob: cov ntawv luam tawm, lub plhaub, yas, txhuas cov khoom hluav taws xob: PBB, PBDE, TBBP-A, PCB, hexabromododecane, tribromophenol, luv saw chlorinated paraffin thiab lwm cov halogen compounds Feem ntau siv hluav taws, siv cov ntawv cog lus hauv Circuit Board, plhaub, yas thiab lwm yam ntaub ntawv. Cov khoom siv no ua kom sov ib qho txias, yuav ua rau cov pa roj carbon dioxide, cov roj halogen uas muaj roj thiab cov dej uas muaj nitrogen uas muaj nitrate, yuav ua rau cov roj ntsha corrosive, qhov teeb meem ntawm cov roj teeb. Raws li ntau txoj kev tshawb fawb, halogen-based cov nplaim hluav taws xob ua tau cov kab mob uas ua rau txhua qhov chaw nyob niaj hnub, tso cov tshuaj phem thaum lub sij hawm sib tua thiab cua sov, raug kev phem rau kev noj qab haus huv, ib puag ncig thiab cov xeeb ntxwv tom ntej ntawm tib neeg lub cev. Kev siv ntawm cov nplaim hluav taws xob halogen uas yog cov hluav taws xob tsis sib xws yog qhov tsis sib thooj rau kev ua haujlwm ntawm LEDs. Yog li, qhov kev kuaj xyuas cov khoom siv hluav taws xob (LED) kom ntev li ntev tau ntawm cov khoom siv hluav taws xob uas tsis muaj hluav taws xob.
5. Cov Tshuaj Pluag Flux: Cov khoom siv nyob rau hauv lub cev feem ntau muaj nyob rau hauv ob peb halogen lossis organic acid. Nws ua rau kom tshem tawm cov oxide zaj duab xis nyob ntawm cov hlau ntawm cov hlau, ua kom tsis muaj teeb meem ntawm lub kav hlau, uas cia lub vias kom kis tau sai. nto. Qhov halogen feem ntau yog siv bromine / chlorine, tuaj yeem ua nyiaj rau dub nyiaj bromide / silver chloride.
6. Quav: ntsuab ntawm PCB lub rooj tsavxwm, roj dawb ntawm cov phaj txhuas, cov cim, cov roj teeb thiab cov twj tso cua ntawm cov xim muaj phom. Qhov no yog vim hais tias cov xim nyob rau hauv cov roj crude hauv lub sulfide, nws muaj pes tsawg leeg yog complex, muaj cov ntsiab lus ntawm leej faj, hydrogen sulfide, thiols, thioethers, disulfide thiab thiaj li. Ntawm lawv, nquag sulfide, xws li hydrogen sulfide, mercaptans thiab elemental sulfur, tuaj yeem tshwm sim nrog nyiaj. Pleev xim hla roj muaj roj cov dej, yuav muaj tshuaj sodium chloride, magnesium chloride thiab calcium chloride thiab lwm yam ntsev. Hauv cov khoom siv roj crude, magnesium chloride thiab calcium chloride yuav ua rau lub thermal hydrolysis, ua rau muaj zog corrosive hydrogen chloride. Yog li, qhov kev tshawb xyuas pom ntawm cov khoom siv hlau hloov cov neeg tsis xaiv leej faj tsis muaj roj los sis cov roj ntsha uas tsis muaj roj hlav ua cov khoom xim .
Cov khoom kub : LED teeb lub teeb nrig teeb meem , LED Mining teeb , cov chaw ua hauj lwm teeb pom kev zoo , LED Teeb pov thawj
