Cov ntawv ntim cov ntawv ntim khoom yog peb- cov khoom siv ntawm cov ntawv uas siv cov ntawv pov tseg, cov ntaub so ntswg, cov ntaub so ntswg thiab lwm cov fibers ua raw khoom. Nws yog peb-cov ntaub ntawv loj uas tsim los ntawm molding. Vim nws qhov kev ua tau zoo thiab kev tiv thaiv ib puag ncig, nws yog tam sim no siv dav. Cov hauv qab no yog ib qho kev qhia txog kev ntim cov ntawv tais. Kev loj hlob keeb kwm: Nrog rau kev loj hlob ntawm cov txheej txheem ntau lawm, cov tais ntawv tam sim no tuaj yeem tsim ntau thiab dav, tab sis nyob rau hauv cov txheej txheem ntawm cov ntawv tais, ziab yog ib qho tseem ceeb heev thiab occupies tus nqi ntau lawm. Cov txheej txheem ntau lawm tuaj yeem txhim kho cov tais ntawv li cas? Kev ziab kom qhuav?
Cov khoom siv raw ntawm daim ntawv tais tsuas yog kwv yees li 1% daim ntawv fiber ntau slurry. Tom qab tsim cov ntawv ntub dej, cov ntawv ntub dej yuav tsum tau nias kom txo cov dej noo ntawm daim ntawv ntub dej mus rau 55%, thaum cov dej ntsiab lus ntawm cov ntawv tais yog siab li 65% -75% tom qab tsim. Nws yog ib qho nyuaj rau kev siv cov cuab yeej siv los txo cov ntsiab lus ntawm cov dej. Nyob rau hauv cov txheej txheem ntawm cov ntawv tais, txog 3.5-4.5KG ntawm cov dej yuav tsum tau muab tshem tawm los ntawm txhua kilogram ntawm tiav daim ntawv tais los ntawm cov txheej txheem ziab, txawm hais tias nyob rau hauv cov nqe lus ntawm kev txo nqi ntau lawm los yog kev txhim kho cov ntaub ntawv zoo, nws yog ib qho tseem ceeb heev los txhim kho lub ziab efficiency!
Cov ntawv ntub dej pwm nrog cov ntawv fiber ntau yog cov khoom ntxeem tau nrog cov qauv capillary sab hauv, thiab cov dej noo muaj nyob nruab nrab ntawm qhov chaw ntawm cov fiber ntau thiab cov pores ntawm fiber ntau capillary. Cov ntaub ntawv txhawb nqa cov khoom siv rau lub ntim ntim ntawm cov khoom feem ntau xav tau cov khoom zoo dynamic cushioning, thiab cov dej noo hauv lawv tsis tuaj yeem tshem tawm tag nrho los ntawm kev siv tshuab nias, tab sis yuav tsum tau muab tshem tawm los ntawm ziab. Yog li ntawd, piv nrog rau cov pa ntawv ziab txheej txheem, lub zog ziab ntawm cov khoom siv molded yog siab heev.
Ntawm qhov tod tes, cua kub ua raws li qhov cua sov los muab lub zog rau tshem tawm cov dej noo, thiab ntawm qhov tod tes, nws ua raws li cov khoom siv noo noo kom tshem tawm cov dej noo tas li evaporating. Cov dej noo nyob rau hauv daim ntawv ntub dej yog nyob ntawm qhov sib txawv ntawm cov dej sab hauv thiab sab nraud. Qhov thiaj li -hu ua internal diffusion yog hais txog cov txheej txheem tsiv teb tsaws ntawm cov dej hauv cov ntaub ntawv ntub dej los ntawm sab hauv mus rau sab nrauv, thiab sab nraud diffusion yog hais txog cov dej evaporation ntawm nws qhov chaw. Cov txheej txheem ntawm kev tshem tawm. Tus nqi dryness ntawm daim ntawv txhawb nqa yog nyob ntawm qhov ceev ntawm sab hauv thiab sab nraud diffusion ntawm cov dej noo thiab qhov sib npaug thiab kev sib koom ua ke ntawm ob. Cov txheej txheem tsim nyog yuav tsum tau tsim nyob ib ncig ntawm ob qho tib si saum toj no thiab lub cev qhuav dej ntawm cov khoom txhawb nqa ntawv!
Cov ntawv ntim cov tais ua rau ntau cov pa phem dawb hauv kev tsim khoom txhua hnub thiab lub neej. Thaum ib hom tshiab ntawm cov khoom ntim khoom ib puag ncig yog xav tau sai sai hauv kev ua lag luam, cov ntawv ntim ntim tau txais kev saib xyuas. Tam sim no, ntau lub teb chaws tsim kho xws li Tebchaws Europe thiab Tebchaws Meskas tau ua tiav thiab txhawb nqa cov thev naus laus zis no, ua kom muaj kev loj hlob ntawm cov ntawv ntim khoom lag luam. Kev lag luam daim ntawv tais yog tsim sai heev, thiab tus naj npawb ntawm cov ntawv tais zaub mov hauv khw tau nce ntau heev. Thiab nrog kev nce qib ntawm thev naus laus zis, cov tais ntawv tau maj mam tsim los ntawm qis- cov khoom kawg xws li cov qe yooj yim, txiv hmab txiv ntoo, thiab npias fwj mus rau cov kev taw qhia ntawm cov kab ntim khoom! Lub tais ntawv muaj ntau yam zoo thiab nta nrog kev tiv thaiv ib puag ncig zoo, cushioning, tiv thaiv -kev sib tsoo, tiv thaiv- zoo li qub, noo noo- pov thawj thiab lwm yam.
