Lub granulation yog dawb thiab ci, lub luag haujlwm ntawm fluorescent ntxuav hniav dawb tus neeg sawv cev yog qhov tseem ceeb heev
Granulation yog kev ua tshuab ntawm plastics. Muaj ntau txoj hauv kev ntawm granulation, ntawm cov txheej txheem feem ntau siv yog extrusion granulation. Cov txheej txheem ntawm granulation yog rov npaj dua cov txheej txheem qauv tsim ntawm cov yas los ntawm yaj. Txawm li cas los xij, ntau lub chaw tsim khoom granulator tau ntsib qhov teeb meem no uas cov tsos ntawm cov khoom tsim tau yog qauj thiab npub, uas cuam tshuam rau lawv tus kheej muag. Granular brightener yog cov pabcuam pabcuam tseem ceeb. Tam sim no, tib neeg tsis tsuas yog muaj cov kev cai ntawm cov khoom lag luam zoo, tab sis kuj tseem muaj qhov yuav tsum tau siab rau cov khoom lag luam, xws li granulation. Txhawm rau daws qhov nqi, ntau cov tuam ntxhab siv cov khoom siv dua tshiab thiab cov ntaub ntawv tshiab rau kev sib xyaw ua lag luam. Peb txhua tus paub hais tias ob qho khoom siv rov ua dua tshiab thiab cov ntaub ntawv tshiab yuav tsum tau muab ntxuav ua ntej ua kev puas tsuaj. Txawm hais tias qhov kev ntxuav tau hloov tau, cov tsos yuav tsis hloov. Yog tias cov lus hais ua los ntawm cov khoom siv rov ua dua tshiab zoo li cov ntaub ntawv tshiab, tom qab ntawd cov granulation yuav tsum tau ntxiv. Brighteners tau zoo.
Dab tsi ntawm hom kho qhov muag teeb siv rau kev granulation. Qhov kub ntawm yas yog feem ntau siab thaum lub sijhawm granulation. Vim tias nws yuav tsum tau kub yaj, yog tias koj xav xaiv lub teeb ci kom haum rau granulation, ua ntej txhua yam, lub teeb ci fluorescent yuav tsum tiv taus siab kub, uas ua tau raws li qhov ntsuas kub ntawm granulation yog fluorescent brightener OB-1, nws lub ntsiab lus melting yog 355-360 ° C, uas yuav luag txhua qhov ntsuas kub ntawm ntau yam khoom siv yas. Thiab nws cov nyiaj ntxiv yog qhov tsawg heev, tsuas yog ntxiv rau 0.02% -0.03% tus nqi, cov lus tawm los yuav dawb thiab ci. Rau lub pelletizer, tus nqi yuav tsis yog nce, tab sis pelletizing kev ua tau zoo tau zoo heev. Raws li cov khoom zoo txhim kho, cov muag khoom tseem yuav nce ntxiv rau granulator manufacturers. Kuv ntseeg tias feem ntau cov tuam ntxhab tseem kam ntxiv qhov khoom seem no.
Yuav ua li cas ntxiv fluorescent ntxuav hniav dawb tus neeg sawv cev hauv granulation? Ntau cov granulating tuam txhab uas tsis tau siv fluorescent ntxuav hniav dawb tus neeg sawv cev tsis paub yuav ua li cas siv tus neeg sawv cev ntxuav hniav dawb. Qhov tseeb, nws yooj yim heev. Lub cev qhuav dej thiab qhuav ua khoom siv thiab cov khoom siv tshiab tom qab ntxuav. Tom qab cov fluorescent ntxuav hniav dawb tus neeg sawv cev thiab lwm cov ntaub ntawv nyoos tau tawm los ntawm cov khoom sib tov kom txog rau qhov sib tov yog qhov tsis sib xws, tom qab ntawd cov dej sib tov sib xyaw yog nkag rau hauv lub tshuab txuas ntxiv rau kub melting, thiab tom qab lub yaj tas, ua cov ntsia hlau tau tswj rau extrusion. Xaiv cov dicing raws li qhov xwm txheej. Yog li ntawd, yog tias granulation yuav yog xim dawb thiab ci ci, tus neeg sawv cev ntxuav hniav dawb granulation ua lub luag haujlwm tseem ceeb.