Thermal ntawv yog ib qho siv tau cov khoom siv suav nrog cov khw muag khoom, tuam txhab nyiaj thiab logistics. Nws yog coated nrog ib qho zas tshwj xeeb uas hloov xim thaum ua kom sov, ua rau nws zoo tagnrho rau cov ntawv txais khoom, cov ntawv nplaum. Txawm li cas los xij, thermal ntawv tsis tuaj yeem rov ua dua los ntawm cov qauv kev ua dua tshiab rau cov txheej txheem vim muaj cov tshuaj lom neeg thiab paug. Yog li, cov txheej txheem tshwj xeeb yog qhov yuav tsum tau ua kom zoo thiab rov ua cov ntawv siv ua kom haum thiab txo nws cov kev cuam tshuam rau ib puag ncig. Hauv tsab xov xwm no, peb yuav tshawb cov kauj ruam koom nrog kev ua thiab rov ua dua tshiab ntawm cov ntawv thermal.
Thawj kauj ruam ntawm cov txheej txheem ua dua tshiab yog sau cov ntawv thermal. Qhov no tuaj yeem ua dhau los ntawm ntau txoj kev, xws li tso cov khoom siv ua kom cov khw muag khoom thiab chaw ua haujlwm, lossis ua haujlwm nrog cov ntaub ntawv siv hluav taws xob kom khaws cov ntawv thermal. Qhov kev cais kom raug yog qhov tseem ceeb kom ntseeg tau tias tsuas yog cov ntawv sau thermal yog sau thiab tsis sib xyaw nrog lwm hom ntawv.
Ib zaug sau, daim ntawv thermal tau thauj mus rau qhov chaw ua haujlwm rov ua dua tshiab uas nws mus dhau ntawm cov kauj ruam kom tshem tau cov neeg tsis muaj kuab thiab lwm yam paug. Thawj kauj ruam ntawm kev ua ntu yog hu ua pulping, qhov twg cov ntawv thermal yog tov nrog dej kom tawg rau hauv ib tus neeg. Cov txheej txheem no pab cais cov zas xim ntawm cov ntawv fibers.
Tom qab pulping, qhov sib tov yog tshuaj ntsuam kom tshem tawm cov khoom seem thiab cov paug. Lub txiaj ntsig kua yog tom qab raug tua cov txheej txheem flotation, uas cua npuas uas tau qhia rau cais cov zas xim los ntawm dej. Cov xim yog sib dua thiab ntab mus rau saum npoo thiab yog skimmed, thaum cov dej ntshiab yog pov tseg.
Cov kauj ruam tom ntej ntawm cov txheej txheem rov ua dua tshiab yog kom tshem tawm cov tshuaj uas muaj cov tshuaj sov. Cov tshuaj no suav nrog Bisphenol A (BPA), uas ua raws li tus tsim tawm rau DYES rau ntawm daim ntawv. BPA yog qhov paub txog endocrine cuam tshuam uas pom kev pheej hmoo rau tib neeg kev noj qab haus huv thiab ib puag ncig. Ntau yam ntawm cov thev naus laus zis, xws li ua kom muaj pa roj carbon adsorption thiab ion pauv pauv, tuaj yeem siv los tshem BPA thiab lwm yam tshuaj los ntawm dej.
Thaum cov tuag thiab cov tshuaj lom tau raug tshem tawm tau zoo los ntawm dej, cov dej huv tuaj yeem siv rov qab lossis tawm haujlwm tom qab kev kho mob tsim nyog. Cov ntawv sau ntxiv tau tam sim no pov tseg ntawm cov txheej txheem ua ub ua no. Lub pulp yog ntxuav, ua kom zoo thiab ua kom dawb kom txhim kho nws qhov zoo ua ntej nws siv los ua cov ntawv tshiab.
Nws yuav tsum tau sau tseg tias kev rov ua dua tshiab ntawm cov ntawv thermal yog qhov muaj cov txheej txheem nyuaj uas yuav tsum muaj thev naus laus zis thiab cov cuab yeej siv siab. Yog li ntawd, nws yog qhov tseem ceeb rau cov lag luam thiab cov tib neeg siv cov thermal ntawv mus ua haujlwm nrog cov chaw ua haujlwm rov qab los ua kom muaj kev tuav kho kom zoo thiab rov ua dua tshiab.
Hauv kev xaus, cov ntawv thermal, siv dav siv, nthuav tawm cov kev sib tw uas muaj kev sib tw vim muaj cov tshuaj lom neeg thiab paug. Kev ua thiab rov ua dua tshiab ntawm cov ntawv thermal cuam tshuam nrog ntau cov kauj ruam, suav nrog pulping, flotation, tshuaj tua hluav taws xob thiab muaj fiber ntau. Los ntawm kev siv cov kev sau khoom uas tsim nyog thiab ua haujlwm nrog cov khoom siv ib puag ncig ntawm thermal thiab txhawb nqa cov kev tswj cov khib nyiab loj.
Lub Sijhawm Post: Nov-24-2023