Cov lus qhia rau papermaking xav siv

1. Kev xaiv raug:
Raws li cov khoom siv thiab cov khoom tsim, daim pam tsim nyog raug xaiv.
2. Kho qhov sib txawv ntawm cov menyuam kom paub meej tias cov kab qauv yog ncaj, tsis deflected, thiab tiv thaiv folding.
3. Paub txog qhov zoo thiab qhov tsis zoo
Vim muaj cov txheej txheem sib txawv, cov pam vov tau muab faib los ntawm sab xub ntiag thiab sab nraub qaum, sab xub ntiag ntawm lub tuam txhab daim pam muaj lo lus "pem hauv ntej", thiab pem hauv ntej yuav tsum tau coj los ntawm cov xub sab nraud, raws li cov kev taw qhia ntawm lub tshuab ntawv. kev khiav hauj lwm, thiab qhov nro ntawm daim pam yuav tsum yog nruab nrab kom tsis txhob muaj qhov nro lossis xoob dhau.
Papermaking pam yog feem ntau ntxuav thiab nias nrog 3-5% xab npum alkali dej rau 2 teev, thiab dej sov ntawm txog 60 ° C yog zoo dua. Tom qab tsim cov ntawv nyias nyias daim pam tshiab yog wetted nrog dej, lub sij hawm softening yuav tsum yog li 2-4 teev. Lub sijhawm softening ntawm asbestos pobzeb daim pam yuav tsum yog li 1-2 teev tom qab ntub dej huv. Nws yog txwv tsis pub kom qhuav yob daim pam tsis tau ntub dej.
4. Thaum daim pam nyob ntawm lub tshuab, zam lub taub hau roj sludge staining cov ntaub pua plag.
5. Cov ntsiab lus ntawm cov tshuaj fiber ntau ntawm daim pam xav tau ntau dua, thiab cov kua qaub kua qaub yuav tsum zam.
6. Lub koob punched daim pam muaj cov ntsiab lus dej loj, thiab thaum embossing, lub tshuab nqus tsev nqus los yog extrusion roller kab siab tuaj yeem nce ntxiv, thiab lub downward siab rau cov menyuam yog nruab nrog lub qhov dej shovel riam kom cov dej tawm ntawm ob sab thiab txo. noo noo ntawm nplooj.
7. Staple fiber ntau thiab muab tso rau hauv cov ntaub so ntswg, yooj yim los thaiv daim pam, tsim embossing, tuaj yeem ntxuav los ntawm kev txau dej ntawm ob sab thiab ua kom lub zog ntws tawm, nws yog qhov zoo tshaj plaws los yob thiab ntxuav tom qab lub tank dej kub ntawm li 45 degrees Celsius. . Tsis txhob txhuam daim pam nrog ib qho tawv txhuam thaum ntxuav.
8. Lub koob punched daim pam yog tiaj thiab tuab, tsis yooj yim rau quav, thiab yuav tsum tsis txhob qhib nruj heev. Yog tias daim pam dav dhau los rub tawm, siv lub tshuab hluav taws xob hluav taws xob los qhib ntug lossis txiav ntug nrog txiab thiab tom qab ntawd siv cov hluav taws xob soldering hlau los kaw cov ntug.
9.Lwm cov lus qhia thiab yuav tsum tau ua
9.1 Daim pam yuav tsum tau muab cais tawm ntawm cov ntaub ntawv tshuaj thiab lwm yam ntaub ntawv kom tsis txhob muaj kev puas tsuaj rau daim pam.
9.2 Qhov chaw uas daim pam khaws cia yuav tsum qhuav thiab qhov cua, thiab nws yuav tsum tau muab tso rau hauv tiaj tus, nyiam dua tsis sawv ntsug, tiv thaiv qhov tshwm sim ntawm loosening thiab zawm ntawm lwm yam.
9.3 Daim pam yuav tsum tsis txhob khaws cia ntev heev, vim yog cov yam ntxwv ntawm cov tshuaj fibers, kev cia ntev ntev muaj kev cuam tshuam zoo rau qhov hloov pauv ntawm daim pam.