Ibhodi ekhuniweyo yenye yezinto ezibalulekileyo ekuvelisweni kwebhodi edibeneyo. Ukungathathi hlangothi kwamaphepha ebhodi enziweyo kuya kubangela iimilo ezahlukeneyo zebhodi yentlaka, kube lula ukuxinga ngexesha loshicilelo lwe-adsorption yomatshini kwaye kubangele ukuba ibhodi yephepha ichithwe kwaye inyanzeliswe ukuba ivalwe ukuze icocwe; i-inki engalinganiyo, ukuthelekiseka kombala okungachanekanga, kunye nezikhewu kungqameko oluthe kratya lwemibala kulula ukwenzeka kushicilelo olunemibala emibini okanye ushicilelo olunemibala emininzi; Ubungakanani bokususwa kwegroove ephezulu kunye nesezantsi kumatshini wokuprinta kuya kubangela ukugqithelana okanye ukungabikho komthungo wokugquma okuphezulu nangaphantsi kwebhokisi; ukufa ukusika kunye nokutya kuya kuveliswa Iziphene ezifana nokuncamathela kunye nobukhulu bokususwa kunokukhokelela kwinkunkuma yesibini ye-paperboard efanelekileyo, okanye umonakalo wesixhobo, kwaye unyanzelekile ukuba umise ukugqiba. Ngamafutshane, ukungathathi ntweni kwebhodi yephepha kuya kwenza ukondla kube nzima kwaye kukhokelela ekwandeni kwemveliso yenkunkuma yesibini kwinkqubo yokuvelisa.
Ukuze kuphuculwe ukuthambeka kweklasi yezinto ezigutyungelweyo, qinisekisa umgangatho ofanelekileyo womgangatho wemveliso kunye nokusebenza kakuhle kwemveliso eqhelekileyo, siye savavanya kwaye sihlalutya rhoqo kwindlela yokuvelisa iibhokisi, kwaye safumanisa ezinye iindlela zokuphucula. Ishwankathelwa ngolu hlobo lulandelayo ngereferensi kuphela.
Ukubonakala kwebhodi edibeneyo kunye ne-flatness ehluphekileyo inokwahlulwa ibe ziindidi ezintathu: i-arch transverse, i-longitudinal arch kunye ne-arbitrary arch.
I-arch enqamlezileyo ibhekisa kwi-arch eyenziwe ecaleni kwecala lemalitha. I-arch ye-longitudinal ibhekisela kwi-arch eveliswe ngebhodi yephepha kunye nesantya somgca wemveliso. I-arbitrary arch yi-arch eguquguqukayo kulo naliphi na icala. I-arch kumphezulu wephepha ibizwa ngokuba yi-positive arch, leyo kumphezulu wephepha elingaphakathi ibizwa ngokuba yi-negative arch, kwaye kumphezulu wephepha elingaphakathi linamahla ndinyuka libizwa ngokuba yi-positive kunye ne-negative arch.
Izinto eziphambili ezichaphazela i-flatness ye-paperboard
1. Kukho iintlobo ezahlukeneyo kunye namabakala ephepha ngaphakathi. Kukho iphepha le-kraft elivela kumazwe angaphandle kunye nekhaya, iphepha lokuxelisa i-kraft, i-corrugated paper, i-tea board paper, i-high-power corrugated paper, njalo njalo, kwaye yahlulwe ibe yi-, B, C, D, e, ibakala. Ngokomahluko wezinto zephepha, iphepha elingaphezulu lingcono kunephepha langaphakathi.
2. Iiparamitha eziphambili zezobugcisa zephepha langaphakathi zihlukile. Ngokubhekiselele kwiimfuno zokusebenza kweekhathoni okanye ukuqwalaselwa kokunciphisa iindleko zabasebenzisi, iphepha elingaphakathi kweebhokisi kufuneka lahluke.
(1) Ubungakanani bephepha ngaphakathi bahlukile. Amanye amaphepha aphezulu makhulu kunawo angaphakathi, kwaye amanye amancinci.
(2) Ubumanzi bephepha kwiphepha lobuso lahlukile. Ngenxa yokufuma okusingqongileyo okwahlukileyo komthengisi, uthutho kunye ne-inventri, umxholo wokufuma wephepha elingaphezulu uphezulu kunolo wephepha langaphakathi, kwaye kukho nezinye ezincinci.
(3) Ubunzima bephepha kunye nomxholo wokufuma wahlukile. Okokuqala, iphepha elingaphezulu likhulu kunephepha langaphakathi, kwaye umxholo womswakama mkhulu okanye ungaphantsi kwephepha langaphakathi. Okwesibini, ubunzima bephepha elingaphezulu bungaphantsi kwephepha langaphakathi, umxholo womswakama mkhulu kunephepha elingaphakathi okanye ngaphantsi kwephepha elingaphakathi.
3. Isiqulatho sokufuma kwibhetshi enye yephepha yahlukile. Ubumanzi benxalenye enye yephepha buphezulu kunenye inxalenye yephepha okanye i-cylinder paper, kwaye umxholo wokufuma we-edge yangaphandle kunye necala langaphakathi elingaphakathi lahlukile.
4. Ubude bomgangatho wokufudumeza (i-angle yokusonga) yephepha elidlula kwi-heat exchanger ayikhethwanga ngokufanelekileyo kwaye ilungelelaniswe, okanye ubude bendawo yokufudumeza (i-angle yokusonga) ayinakulungelelaniswa ngokungekho mthethweni. Eyangaphambili ngenxa yokusebenza okungafanelekanga, oku kokugqibela ngenxa yokulinganiselwa kwezixhobo, ezichaphazela i-preheating kunye nefuthe lokumisa.
I-5, akunakwenzeka ukusebenzisa isixhobo sokutshiza umphunga okanye izixhobo ngaphandle kwesixhobo sokutshiza ngokufanelekileyo, ukuze umswakama wephepha unganyuswa ngokungqongqo.
6. Ixesha lokukhutshwa komswakama emva kokushisa kwangaphambili alanele, okanye umswakama wendalo bukhulu, umoya wokungenisa umoya umpofu, kwaye isantya somgca wokuvelisa asifanelekanga.
7. Umatshini we-corrugating wecala elinye, umatshini weglue kwisixa esingafanelekanga, esingalinganiyo, kunye nokuqaliswa kwe-paperboard shrinkage engalingani.
8. Uxinzelelo lwe-steam olungonelanga kunye nolungazinzanga, i-steam trap kunye nezinye i-accessories umonakalo okanye amanzi ombhobho awakhutshwanga, okubangelwa ukusebenza okuqhelekileyo kunye nokuzinza kwe-preheater.
Ngokujonga ingxaki yendlela yokuphucula i-flatness ye-paperboard, iipropati ezibonakalayo, izixhobo zenkqubo kunye nezinye izinto ezihambelanayo kunye neeparitha zamaphepha amaninzi asetyenziswa ngokuqhelekileyo avavanyiwe kwaye ahlalutywe ngokufutshane.
(1) Uhlobo olufanayo lwephepha lokwanda kobungakanani, ukushwabana kuncitshiswe kancinane. Ubudlelwane phakathi komxhesho, isiqulatho sokufuma kunye nokushwabana kwephepha lekhraft elingeniswa kumazwe angaphandle, iphepha lekrafti lasekhaya, iphepha lebhodi yeti kunye nephepha elizinkiweyo elinamandla kakhulu laphononongwa.
(2) Uxinzelelo lomphunga olubonelelwa ngumgca wokuvelisa ibhodi ebotshiweyo lulingana ngokuthe ngqo nobushushu bomphezulu we-preheater. Ukuphakama koxinzelelo lomoya. Ukuphakama kobushushu bomphezulu we-preheater.
(3) Iphepha elinesixa esikhulu kunye nesiqulatho sokufuma okuphezulu liyacotha ukufudumeza kwaye lome, kungenjalo liyakhawuleza. Iphepha elinobunzima obahlukeneyo kunye nomxholo wokufuma lifudunyezwa kwaye lomiswe kuxinzelelo lomoya 1.0mpa/cm2 (172 ℃) preheater.
4 Ubudlelwane phakathi kobude bomphezulu wokufudumeza kunye nomxholo wokufuma emva kokumiswa kwephepha lobunzima obuhlukeneyo kunye nomthamo wokufuma we-10% kwi-172 ℃ kunye nesantya somgca wemveliso we-0.83 M / s.
(5) Emva kokufudumeza kwangaphambili, ukufuma kwephepha elinecala elinye liyacotha, kwaye umgubo obuyayo wokungenisa umoya wefeni uyakhawuleza. Isiqulatho sokufuma se-220g / m2 kunye ne-150g / m2 yecala elinye lephepha eligutyungelwe yi-13% emva kokufudumala kwi-172 ℃. Kwimo engqongileyo ye-20 ℃ kunye ne-65% yokufuma kwi-greenhouse, isantya sokukhutshwa kokufuma kwendalo sithelekiswa neso sokuphefumla kwefeni.
Iziphumo zovavanyo ezingentla zibonisa ukuba izinga lokushwabana kwephepha lahlukile ngobunzima bephepha obuhlukeneyo kunye nomxholo wokufuma, okuyipropati ebalulekileyo yephepha. Ngezinto ezifanayo, i-paperboard kulula ukufezekisa i-flatness elungileyo. Okuchaseneyo kunzima. Kuyimfuneko ukuqwalasela utshintsho lwezi zinto zintlanu ziphambili kwaye wenze uhlengahlengiso olufanelekileyo. I-flatness elungileyo okanye embi ixhomekeke kwisantya sokuncipha kwephepha ngalinye. Ukuze wenze i-paperboard ibe ne-flatness engcono, izinga le-shrinkage yoluhlu ngalunye lwephepha kufuneka libe yinto efanayo, phakathi kweyona nto ibaluleke kakhulu kwiphepha langaphakathi. Izinga lokunciphisa iphepha langaphambili lincinci kunephepha langaphakathi, kwaye li-arched ngokuqinisekileyo, ngaphandle koko li-arch negative. Ukuba izinga lokuncipha kwephepha langaphakathi alilingani, liya kuba li-arch positive kunye nebi. Ukususela kuhlalutyo lwenkqubo yokwenza i-paperboard kumgca wokuvelisa, ukulawulwa kwe-shrinkage kunokwahlulwa ibe ngamanqanaba amabini.
(1) Inqanaba lokwenziwa kwe-corrugation. Oko kukuthi, inkqubo esuka kwisondlo ukuya kwi-gluing yesibini yinqanaba eliphambili lokulawula ukuncipha. Ngokwemeko yokwenyani yephepha, uxinzelelo lomphunga, ubushushu bendawo kunye nokufuma komaleko ngamnye wethayile, iiparamitha zobushushu bokufudumala kwangaphambili, ubude bomphezulu wokufudumeza, kubandakanya nobude bomphezulu wokufudumeza, ukuhanjiswa kwamanzi kwindawo yokufudumeza. i-ventilation, i-spray ye-steam, ubuninzi be-gluing kunye neeparitha zobugcisa zesibane sesantya somgca wemveliso zikhethwa ngokulandelanayo, ukwenzela ukuba zonke iileya zephepha zikwazi ukuvunyelwa ngokukhululekileyo ngolawulo lwenkqubo olufanelekileyo kunye olusebenzayo, kwaye isantya sokugqibela sokunciphisa ngokusisiseko siyafana.
(2) Iqonga lokwenziwa kwebhodi yamaphepha. Oko kukuthi, i-gluing yesibini kwinkqubo elandelayo yokudibanisa, ukomisa kunye ne-ironing. Ngeli xesha, uluhlu ngalunye lwephepha alunakuphinda lunciphe ngokukhululekileyo, kwaye i-shrinkage yoluhlu ngalunye lwephepha lukhawulelwe omnye komnye emva kokuba lufakwe kwi-paperboard. Indawo yokudibanisa inokuthiwa yindawo yokuqala ye-paperboard arch. Kuyimfuneko ukuba ukhethe kwaye uhlengahlengise iiparamitha zobugcisa, ezifana nesixa seglue, ubushushu bepleyiti yokomisa, isantya somgca wemveliso, njl.njl., Ukulawula umahluko wesantya sokuncipha ukuya kubuncinci, kunye nentsimbi yearch imilo eveliswe yi-paperboard kangangoko kunokwenzeka. .
Okokuqala, kuyafuneka ukuba iphepha elisisiseko elinikezelwe ngumthengisi kufuneka libe nomthamo ofanelekileyo kunye nozinzile kunye nomxholo womswakama. Ngexesha lokuthuthwa kunye nokulayishwa kunye nokukhutshwa, kuyafuneka ukuba kugcinwe ukufuma okusingqongileyo okusisiseko ngexesha lokugcinwa kumzi-mveliso.
Enye kukusebenzisa uhlobo olufanayo lwephepha okanye iphepha elinomthamo ofanayo, isiqulatho sokufuma kunye nebakala kangangoko.
Ezi zintathu kukuba ubude bomgangatho wokufudumeza (i-angle yokusonga) yesifudumezi samanzi esifudumeziweyo esinomswakama omkhulu siyanda, i-fan ifakwe umoya, ixesha lokusasazwa kwamanzi liye landa, isantya somgca wemveliso siyancipha, kwaye umxholo womswakama wephepha uncitshiswe ngobude bendawo yokufudumala ye-preheater, umoya wendalo kunye ne-steam spray isetyenziselwa ukukhawulezisa umgca wokuvelisa.
Okwesine, umaleko ngamnye wephepha kwisixa seglue ukuze uhlale uhambelana, ecaleni kwecala le-corrugated kububanzi obupheleleyo be-uniform kunye nesixa esiphakathi.
Okwesihlanu, uxinzelelo lomoya luzinzile, kwaye i-valve ye-drain kunye nezinye izixhobo zombhobho zigcina imisebenzi eqhelekileyo.
Kukho izinto ezininzi ezichaphazela ukuthambeka kwebhodi ye-corrugated. Izinto eziguquguqukayo zokutshintsha kunye. Ukuphuculwa kufuneka kwenziwe ngokweemeko zendawo kwaye kujoliswe kuyo, kwaye ukuphikisana okuphambili kufuneka kubanjwe kwaye kusonjululwe. Oku kulandelayo ziingxaki eziqhelekileyo ekuvelisweni kwephepha elinye kunye ne-double corrugated paperboard kwifektri yethu, umzekelo.
Kuyaziwa ukuba: iphepha eliphezulu li-250G / m2 grade 2A kraft paper kunye nomswakama we-7.7%; iphepha lethayile yi-150g / m2 yasekhaya amandla aphezulu ephepha elithathiweyo elinomthamo wokufuma we-10%; iphepha langaphakathi yi-250G / m2 grade 2B kraft paper kunye nokufuma kwe-14%; uxinzelelo lomoya lwe-1.1mpa / cm2 isantya somgca wemveliso ye-60m / min. Indlela yokuphucula:
(1) Ubude bephepha lelinen (ikliphu) elidlula kumphezulu wokufudumeza we-preheater (i-engile yokusonga) bonyuka ngo-1 ukuya ku-1.6 amaxesha kunye no-0.5 ukuya kwi-1.1 ngokulandelelanayo.
(2) Isantya esiphakathi sokungenisa umoya we-0.9Kw fan yombane samkelwa kwindawo ehambayo ye-lining (clip) umgca wetayile kwibhulorho yomgca wokuvelisa, kwaye iifestile zeworkshop zivulelwa umoya wendalo.
(3) umlinganiselo omncinane wokutshizwa ngomphunga kwithishu.
(4) Isantya somgca wemveliso sincitshiswe malunga ne-50M / min.
Ngokweeparamitha zokukhetha ezingentla, i-arch yokuqala enqamlezayo inganyamalala.
I-paperboard i-arched negative arched ukusuka kwi-longitudinal direction
Indlela yokuphucula:
(1) Ngaphambi kwe-heater ye-three-layer, ukuxhathisa ukuhamba kwephepha le-tissue kwanda, kwaye i-rotary braking force ye-cylinder paper iyanda.
(2) Ivili lesikhokelo kunye nevili loxinzelelo phambi kwesifudumezi-ntathu sinciphisa ukuxhathisa intshukumo.
Emva kokulungiswa okufanelekileyo, i-arch longitudinal yasekuqaleni inganyamalala.
Kuyaziwa ukuba iphepha eliphezulu liyi-200g / m2 yebanga le-2B lokuxelisa iphepha le-kraft, umxholo wokufuma ngu-8%, uxinzelelo lomoya ngu-1.0mpa / cm2, kunye nesantya somgca wemveliso yi-50M / min. Indlela yokuphucula:
(1) Ubude bomphezulu (isandwich) iphepha elidlula kwindawo yokufudumeza ye-preheater yonyuka ngo-0.9 ukuya kwi-1.4 kunye ne-0.6 ukuya kwi-1.12 ngokulandelelanayo.
(2) iphepha le-lining linciphisa ubude bomphezulu wokufudumeza we-preheater okanye isebenzisa isitshizi esincinci somphunga.
(3) Isantya somgca wemveliso sanda ukuya malunga ne-60m / min.
I-paperboard i-arch engalunganga kwi-longitudinal direction
Indlela yokuphucula:
(1) Iphepha eliphambi kwe-preheater yamanqanaba amathathu linciphisa ukuxhathisa intshukumo kunye ne-rotary braking force yephepha le-cylinder.
(2) Ivili elikhokelayo kunye nevili loxinzelelo lwephepha le-lining phambi kwe-preheater yamanqanaba amathathu kwandisa ukuxhathisa intshukumo. Emva kokulungiswa okufanelekileyo, i-arch longitudinal yasekuqaleni inganyamalala.
Kuyaziwa ukuba: iphepha eliphezulu liphepha le-kraft le-200g / M2b, umxholo wokufuma yi-13%; iphepha lethayile (ikliphu) yi-150g / M2 eyomeleleyo ephezulu yephepha elithathiweyo elinobumanzi obuyi-10%; iphepha langaphakathi lenziwe nge-200g / M2b grade i-mitation kraft paper kunye nokufuma kwe-8%; uxinzelelo lomoya yi-1.0mpa/cm2; isantya somgca wemveliso yi-50M / min. Indlela yokuphucula:
(1) Ubude bomphezulu (isandwich) iphepha elidlula kwindawo yokufudumeza ye-preheater yonyuka ngo-0.9 ukuya kwi-1.4 kunye ne-0.6 ukuya kwi-1.1 ngokulandelelanayo.
(2) iphepha le-lining linciphisa ubude bomphezulu wokufudumeza we-preheater okanye isebenzisa isitshizi esincinci somphunga.
(3) Isantya somgca wemveliso sanda ukuya malunga ne-60m / min.
I-paperboard i-arch engalunganga kwi-longitudinal direction
Indlela yokuphucula:
(1) Iphepha eliphambi kwe-preheater yamanqanaba amathathu linciphisa ukuxhathisa intshukumo kunye ne-rotary braking force yephepha le-cylinder.
(2) Uxinzelelo olukhokelayo lomgca weLiwa phambi kwe-preheater yamanqanaba amathathu kwandisa ukuxhathisa intshukumo.
Ikhadibhodi ikwi-arch positive kunye ne-negative arch
Kukho iintlobo ezimbini zee-arches ezilungileyo kunye ezimbi, kwaye iindlela zokuphucula zahlukile. Apha sicacisa kuphela ii-arches eziqhelekileyo ezinqamlezileyo ezilungileyo nezingalunganga.
Ixesha lokuposa: Mar-31-2021