Kev tsim cov Pulp molded feem ntau suav nrog kev npaj pulp, molding, ziab, kub nias thiab lwm yam txheej txheem.

1. Kev npaj cov hmoov nplej

Pulping suav nrog peb kauj ruam ntawm kev tsim cov khoom siv raw, sib dhos thiab ua kom tawg. Ua ntej tshaj plaws, thawj cov fiber ntau yog dredged hauv lub pulper tom qab kuaj thiab faib tawm. Tom qab ntawd cov nplais yog raug ntaus, thiab cov fiber ntau tau sib cais los ntawm lub pulper txhawm rau txhim kho txoj hlua khi ntawm cov khoom lag luam pulp. Vim tias qhov loj me ntawm qhov sib piv, tawv thiab xim sib txawv, feem ntau yuav tsum tau ntxiv tus neeg muaj zog ntub, tus neeg sawv cev sizing thiab lwm yam tshuaj ntxiv, thiab kho qhov loj ntawm qhov siab thiab pH tus nqi.

2. Moulding

Tam sim no, peb cov txheej txheem pulp molding yog txheej txheem nqus tsev. Kev nqus lub tshuab nqus tsev yog txheej txheem uas cov tuag qis tau raus rau hauv cov pas dej ua ke thiab cov fibers hauv cov pas dej ua ke tau zoo ib yam nqus rau saum npoo los ntawm kev siab thiab lub siab tuag raug kaw. Peb tau nruab nrog lub tshuab nqa rov ua dua tshiab, tsim nyog rau kev tsim cov khoom loj thiab tshwj xeeb xav tau, tshem tawm qhov siab xav tau ntawm cov ntawv ntxaum thiab cov khoom yas.

3. Kom qhuav

Cov khoom lag luam qhuav yuav tsum tau qhuav, feem ntau siv cov ziab kom qhuav thiab ziab zaj duab xis kom qhuav. Peb lub tuam txhab siv txoj kab ziab kom qhuav. Cov dej noo ntawm cov kua txiv hmab txiv ntoo tuaj yeem ntub tau 50%~ 75%, tom qab cov pwm qis tau nqus thiab ua ke nrog cov pwm sab saud, thiab tom qab ntawd nws tuaj yeem txo qis rau 10%~ 12%tom qab ziab. Cov khoom ntub dej feem ntau tsis tas yuav qhuav.

4. Kub nias

Tom qab cov khoom lag luam pulp tau ua tiav qhov kawg, tom qab ntawd lawv tau nias nrog qhov kub thiab txias siab kom ua rau cov khoom lag luam pulp ntau dua, cov khoom siv tshuab zoo dua, thiab ua kom cov duab thiab qhov loj ntawm cov khoom kub, phab ntsa tuab zoo ib yam, du thiab tiaj sab nrauv. Cov txheej txheem molding feem ntau lees txais cov pwm kub (feem ntau 180 ~ 250 ℃) thiab cov khoom siv siab kom tiv thaiv cov kua nplaum tom qab ziab, thiab lub sijhawm kub nias feem ntau 30-60s.

5. Txiav thiab ua kom tiav

Tom qab qhov kawg ntawm qhov kub nias, cov khoom yuav raug txiav kom tau txais cov khoom tiav. Tom qab kev txiav, qee cov khoom lag luam yuav ua tiav hauv kev ua tiav raws li cov neeg siv khoom xav tau, xws li cov ntawv luam tawm, grooving thiab lwm yam.

6. Kev tshuaj ntsuam thiab ntim khoom

Tom qab ua tiav tag nrho cov txheej txheem tsim khoom thiab ua tiav, peb muaj cov kws tshaj lij tswj hwm cov neeg ua haujlwm los tshuaj xyuas cov khoom, raws li cov neeg siv khoom xav tau, tshem tawm qee yam khoom tsis tsim nyog.