Thaum tsev neeg cov khoom pib tshwm rau hauv kev ua lag luam, cov phuam da dej ntawv nyob hauv ib qho chaw rau nws thiab tau tuav lub hauv paus muaj. Tam sim no muaj ntau tus neeg tau txais kev pab ntau. Cov phuam da dej muaj xws li ntau yam thiab cov cuab yeej cuab zog uas muaj ntau tus neeg tau ntev tso cov khoom npuag. Cov phom uas ua pov tseg sai sai thiab zoo siv nqus noo los ntawm txhais tes thiab ntau qhov chaw. Lawv nyiam huv thiab pub yoojyim ua liaj ua teb.
Cov ntawv so tes tsis yog siv hauv tsev txhua txhua hnub, tab sis nyob rau hauv qhov chaw uas muaj coob tus neeg nyob hauv cov chaw xws li khw noj mov, cov chaw ua haujlwm, chaw ua haujlwm, chaw lom zem, cov chaw kav khw, cov tshuaj noj, thiab lwm yam zoo li cov phuam ntub yog hygroscopic, ces nws yooj yim absorbs thiab tshem tawm roj, uas txhais tau hais tias nws tau ua ib tug nrov nakuhne.
Tam sim no peb kev lag luam tsim ntau ntau hom khoom ntawv. Cov no yog ntaub ntawv so ntswg, ntawv, thiab ntawv napkins, thiab ntawv so tes. Uas yog hais txog cov khoom tseeb, thiab peb mam li tham.
Hauv chav dej ntawm chav tsev, xinesmas, chaw ua hauj lwm, tsev noj mov, chaw ua si, chav noj mov thiab chav ua noj tsis muaj peev xwm ua tau yam tsis tau txhais tau hais tias koj yuav tuaj yeem so cov dej ntub dej, ntxuav koj ob txhais tes thiab daws lwm cov teeb meem uas muaj nyob hauv txhua txhua hnub. Muaj cov xwm txheej thaum cov ntawv phuam so tsis hloov.
Qee lub sij hawm ntawv cov phuam da dej no tsis muaj dab tsi ntxiv thiab nyob rau ntau lawm. Lawv txig tawm cov roj, nqus roj, dej thiab lwm yam kabmob uas yuav tsum tau raug tshem tawm ntawm ntau qhov chaw.
Hom ntaub so tes tau muab faib ua ntau pawg:
- Siv cov khoom siv rau hauv qhov chaw uas muaj ntau tus neeg sib sau;
- phuam da dej rau siv nyob rau hauv txhua txhua hnub lub neej.
Kuj pov cov ntawv phuam los ntawm qhov lawv tau ntim thiab quav. Lawv tuaj yeem ua dov thiab ntawv.
Feem ntau, muab cov phuam da dej rau hauv cov chaw pej xeem, nruab ntiag tug tshwj xeeb, uas yog hu ua dispensers. Ua tsaug rau lawv, koj tuaj yeem tswj tau, txuag ntawv noj, tsim kom zoo rau cov neeg tuaj xyuas thiab, tau kawg, tsim kom muaj chaw pej xeem. Cov kev hloov no haum rau ob qho tib si yob thiab daim phuam ntawv.
Muaj ntau txoj hauv kev ntxiv cov ntawv so tes:
- Cov ntawv phom sij yog ib txoj hauv kev ntxiv txog C. Qhov no yog qhov ntau tshaj thiab thoob plaws txoj kev ntxiv. Cov khoom zoo li no yog qhov zoo tshaj plaws rau cov chaw khiav tsheb thiab zoo heev rau cov chaw uas yuav tsum tau siv qhov kev cai tu cev.
- Daim ntawv so tes yog ib txoj kev ntxiv V-ZigZag. Cov phuam so feem ntau yog siv nyob rau hauv cov chaw nrog nruab nrab thiab qis tsheb.
- Daim ntaub so tes Nyob hauv daim ntawv - tus qauv ntawm kev sib ntxiv Z. Nrog rau hom kev ntxiv no, cov phuam da dej tuaj ntawm tus neeg tauj ib lub sij hawm. Muaj ntau qhov zoo rau kev ntim:
- cov phuam tom ntej no tsis piam los ntawm cov qias neeg thiab ntub tes;
- txhua phuam npaj rau kev siv;
- noj tshuaj yeem;
- tshwj xeeb yog muab rau kev tu cev. Xws li cov phuam da dej siv tau rau hauv cov chaw uas tu cev xav tau.
- Cov phuam da dej - ib txoj kev ntxiv W. Nrog daim ntawv no ntxiv, cov phuam da dej yog ntxaum thiab tawm ib daim ntawv tsis tiav. Xws li cov phuam da dej kuj muaj ib qho loj zoo - lawv tuaj yeem siv tau rau hauv cov chaw uas muaj kev tu cev.
Ntxiv rau cov phuam da dej uas ntim rau hauv pawg, cov phuam da dej ntawv twb tau khov kho lawm. Cov phuam da dej hauv cov phom tuaj yeem so zoo rau so ntub dej, tshem tawm cov kua dej khov thiab cov qhob noom xim qhuav ntub dej. Cov phuam da dej yuav yooj yim unwinding thiab nrog lub central hood.
Tam sim no cov neeg tsim khoom tsim daim ntawv phuam ntawm ntau daim duab. Lawv tuaj yeem oval, xam tau, ib qho, square thiab lwm yam kev ua tau zoo. Txhua tus neeg tuaj yeem nqa daim ntawv so tes rau nws tus kheej, tab sis nws tau them nqi kom zoo.
Kev Ntsuas Zoo
Cov cim tseem ceeb tshaj plaws ntawm cov ntawv so tes yog qhov ceev thiab pib lub zog. Yog tias koj tau txais phuam, thiab nws dissipates rau hauv koj txhais tes los yog nws yog mos heev lossis tsis nruj, ces nws yuav problematic siv nws.
Muaj lwm qhov cim zoo: nws yog lub peev xwm nqus dej kom zoo thiab ceev nrooj, thaum nws tseem nyob ruaj hauv lub xeev ntub. Tom qab nqus tau cov dej noo, daim ntawv so tes yuav tsum tsis txhob rhuav tshem rau hauv koj txhais tes thiab tawm ntawm daim ntaub ntub dej ntawm qhov chaw uas koj yuav ua.
Daim ntaub so tes yog tsim los ntawm cov ntawv pov tseg los yog thawj txiaj ntsig. Cov khoom uas yog los ntawm cov thawj pulp yog cov ruaj ruaj, nqus zoo heev, thiab qab ntxiag, muag muag. Feem ntau, cov no yog cov kev xaiv kim kim, uas muaj ntau tshaj ib txheej, perforation. Lawv raug them nqi ntau tshaj qhov ntawv phuam, uas yog tsim los ntawm cov ntawv ua dua tshiab - cov ntaub ntawv siv dua tshiab.
Thaum cov phuam ua los ntawm cellulose, ces siv cov tshuab tshwj xeeb los siv lo nplaum cov khoom hauv ntau cov khaubncaws sab nraud povtseg. Nws yog tseeb tias cov khaubncaws sab nraud povtseg, qhov zoo dua, Lhau thiab muaj zog dua cov phuam.
Tshuab kev tsim cov phom sij ntawm cov yas phaj
Khib daim ntawv, uas tuaj rau hauv cov khoom, yog ntxuav ntawm txhua yam ntawm txawv teb chaws impurities thiab impurities. Cov khoom pov tseg pov tseg yog xa mus rau thawj theem ntawm cov khoom siv zom zaws.
Qhov no yog ib qho tshuab crushing, uas ua haujlwm yam tsis muaj kev cuam tshuam, thiab muaj ib qho ntawv thiab dej. Tom qab ntawd lub crushed loj yog dhau los ntawm ib tug sieve thiab xa mus rau ib lub tank lub nruab nrab, los ntawm qhov chaw uas nws yog pumped mus rau lub tank rinsing.
Ntev sijhawm ntawm kev ntxhua dej yuav nyob ntawm cov xim ntawm daim ntawv loj - qhov no yuav txiav txim siab txog tus nqi thiab qhov zoo ntawm cov phuam da dej. Cov dej uas siv cov ntawv pov tseg yog muab pov tseg rau hauv lub phom. Cov dej ntxuav yog thauj los ntawm kev sib tsoo zeb mus rau lub tank cia. Thiab los ntawm muaj dej thiab ntawv pulp yog pumped rau hauv lub siab tank.
Tom qab ntawd, qhov rho tawm raug xa mus rau lub zog tswj, uas nws yog txhua yam tov nrog dej ua ntej qhov concentration ntawm 0.5%. Tom qab ntawd, qhov loj yog poured mus rau mesh lub rooj, qhov twg daim ntawv tau ua.
Daim ntawv tshuab muaj ib qho kev sib txuas, cov lus mesh, qhov chaw seem, lub tshuab ziab khaub ncaws tshiab, ob qhov ziab thiab dov.
Daim phiaj yuav tsum tau xwv kom thiaj li lim tau qhov kev rho tawm los ntawm ib nplua nylon mesh, uas yog tib lub sijhawm ua ib daim ntawv xa tawm. Muaj cov ntawv sau npe rau kev txhawb nqa. Nrog kev pab los ntawm cov ntaub xuab zeb ntawm lub mesh pib tsiv mus nyob. Dej uas kis tau los ntawm cov mesh raug xa mus rau ib lub tank rau kev yaug dej. Los ntawm muaj nws yog npaum li cas los ntawm ib lub twj centrifugal rau rov qab siv dua. Tom qab ntawd, daim ntawv loj cov lus dag ntawm kab sib chaws nrog ib txheej txheej, tom qab uas nws raug muab tshem tawm los ntawm qhov kev xav tau.
Tam sim no thawj zaug qhuav drum, uas yog tau tawm, tshem tawm cov kua pulp compacted los ntawm daim ntaub. Qhov kub ntawm qhov ziab tshav kub yog kwv yees li 110-115 degrees, nws yog kub los ntawm qhov kub siab ntawm 0.7 kgf / cm2. Cov kev sib hloov ntawm lub nruas yog 10-13 rpm.
Thaum cov phuam ntawv tom ntej no nyob ntawm lub nruas, lawv qhuav mus rau cov dej noo noo ntawm 30-40%. Tom qab ntawd, siv cov nplauv ntsej muag, ib daim kab xev nrawm yog tshem ib txheej ntawm cov ntawv ziab. Tom qab ntawd, daim ntawv xa tawm rov qab rau lub ziab khaub ncaws kom qhuav rau qhov kawg qhuav.
Kev xaav ntawm lub tshuab kws ua cov ntawv phuam tau ua kom 80% ntawm qhov ntev ntawm qhov zij zawg nrawm nrug tawm ntawm lub ntsej muag. Yog li, daim ntawv nplaum yog clamped ntawm lub mesh, uas txav thiab qhuav ziab. Yog li, cov phuam so qhuav ua ntej qhov kawg. Cov ntaub ntawv qhuav yog ntaub qhwv lub qhov muag ntawm lub tes tsho. Tom qab ntawd, cov phuam da dej hlais, muab qhov tob hauv thiab muab ntim.