Mukushanda kweindasitiri yekugadzira mapepa ichichinja kuenda pakumhanya kukuru uye kunatswa, chikamu chekuomesa, sechinongedzo chakakosha chekusarudza mhando yepepa uye kushanda zvakanaka kwekugadzira, hachina kumbomira kudzokorora tekinoroji yemidziyo yaro. Kunyangwe masirinda echinyakare ekuomesa nemhepo achigona kusangana nezvinodiwa zvekuomesa, anowanzosangana nematambudziko akadai sekubhururuka kwemucheto wepepa, kumonana, uye kuputika mumamiriro ekugadzira nekukurumidza, zvichiita kuti zviome kugadzirisa zvinodiwa zvezvigadzirwa zvepepa zvine huwandu hushoma uye hwepamusoro. Zvichienderana neizvi, maroro eVAC dryer (anozivikanwawo seVac rolls, kureva, maroro evacuum dryer) akabuda. Nemabasa avo akasiyana evacuum adsorption uye assistant drying, ave midziyo mikuru inotsigira muchikamu chekuomesa chemichina yepepa inokurumidza, ichipa rutsigiro rwakakosha rwekuvandudza mhando uye kushanda zvakanaka muindasitiri yekugadzira mapepa.

VAC dryer rolls haisi michina yekudziya nekuomesa yechinyakare, asi michina yekuomesa yepepa inomhanyisa uye inobatsira inoshanda pamwe chete nemasilinda emuchina wekuomesa wemhepo. Inonyanya kushandiswa mukugadzirwa kwewaya imwe chete yemichina yepepa inomhanyisa, uye inowanzo kuwanikwa mumitsetse yekugadzira mapepa etsika, bepa rakaputirwa, kadhibhodhi jena, uye bepa repasi rine corrugating shoma. Kusiyana nemaitiro ekushanda emasilinda emuchina wekuomesa wemhepo yechinyakare anovimba nemhepo yemukati kuti ipe kupisa kwekuomesa, maVAC dryer rolls anoita kuti pepa rigadzikane kuburikidza nekudzvanywa kwemhepo, uye panguva imwe chete anobatsira kukurumidzisa kuburitswa kwemhepo yakanyorova, zvichivandudza kushanda kwekuomesa kwese, zvichigadzira sisitimu yekuomesa yakarongeka ye "kudziyisa + pepa kugadzikana".

Panyaya yekugadzirwa kwechimiro, maroro eVAC dryer akakamurwa kuita mhando mbiri kuti aenderane nekumhanya kwakasiyana kwemotokari uye zvinodiwa pakugadzira. Pakati pawo, roro reVac rine grooved haridi bhokisi re vacuum rakavakirwa mukati. Pamusoro peroro rine migero yehupamhi hwe5mm uye 4mm, uye maburi madiki anoparadzirwa pasi pemigero, nemaburi akakora zvakanyanya pamipendero kuti zvive nyore kupinza shinda. Rinogona kugadzira vacuum degree inosvika 2kPa kana richienzaniswa nebhokisi rinofefetera mweya, uye mwero wekuvhura unodzorwa pa0.1% ~ 0.4%, zvichiita kuti pepa ribatane nemhepo ipfuure negative pressure. Chimiro charo chiri nyore, chakakodzera kugadzirwa kwemuchina wepepa wepakati nepamusana. Rumwe rudzi iroro reVac box rakavakirwa mukati, rine maburi akatsika zvakanaka kana maburi akakora pagoko reroro, uye kamuri re vacuum rinogadziriswa zvichienderana nehupamhi huri mukati, rakabatana zvakananga nepombi ye vacuum. Ine dhigirii repamusoro re vacuum uye kutonga kwakanyatsojeka, yakagadzirirwa michina yepepa inomhanya zvakanyanya ine kumhanya kunodarika 1000m/min, iyo inogona kubata nedambudziko rekugadzirisa webhu repepa mumamiriro ekushanda akaomarara. Mune mimwe mitsetse yekugadzira yepamusoro, ma Vac rolls nema dryer cylinders zvinoumba chiyero chakarurama. Semuenzaniso, muchina wepepa wepamusoro wekudhinda une simba rematani 130,000 pagore une chikamu chekuomesa chine masilinda makumi maviri nemapfumbamwe e steam dryer uye ma Vac rolls akawanda ane dhayamita ye1500mm. Mutsara wepasi wemasilinda e dryer echinyakare unotsiviwa zvachose nema Vac rolls, zvichiita kuti kugadzirwa kurambe kuchibudirira pasina tambo dzinobatanidza uye zvichivandudza zvikuru kugadzikana kwekushanda.

Kukosha kukuru kweVAC dryer rolls kunobva pakushanda kwavo kwesainzi uye mabhenefiti ekushanda mumamiriro ekushanda ekumhanya kukuru. Mukugadzirwa chaiko, mutsara wepamusoro wemasilinda e steam dryer une basa rekupa kupisa kuti hunyoro hubude mu paper web, nepo mutsara wepasi weVAC dryer rolls uchinyatso nyudza paper web pamusoro pewaya yakaoma kuburikidza nekumanikidzwa kwakashata, zvichibudirira kubvisa simba re centrifugal rinogadzirwa nekushanda kwekumhanya kukuru, uye kugadzirisa zvakanyanya marwadzo eindasitiri akadai sekubhururuka kwe paper web edge, kukwinya, uye kutyoka. Panguva imwecheteyo, kufamba kwemhepo muhomwe kunosvetwa mumaburi e roll, zvichikurumidzisa kuburitswa kwemhepo yakanyorova, kupwanya layer yemhepo yakanyorova pamusoro pe paper web, uye kunatsiridza zvisina kunanga mwero wekuomesa. Padanho re threading, dhizaini yemaburi akakora pamipendero inogona kuwedzera adsorption effect, kunatsiridza zvakanyanya mwero wekubudirira kwe threading, uye kupfupisa nguva ye threading. Nyaya yekushandura yemuchina wepepa weLee & Man Paper wePM15 inosimbisa izvi zvizere. Mushure mekushandura masilinda ekutanga edhiraivha akarembera kaviri kuita masilinda edhiraivha akarembera kamwe chete uye kuasimudzira kuita maVac rolls, pamwe chete nemabhokisi ekusimbisa akagadziriswa uye michina yekufema yepocket, mwero wekupwanyika kwewebhu repepa wakaderedzwa ne60%, nguva yekusashanda isina kurongwa yakaderedzwa ne30%, uye pakugadzira 70~90g/m² corrugating base paper nekumhanya kwe1000m/min, avhareji yekupwanyika kwepepa pamwedzi yaive kagumi chete, uye kushanda zvakanaka kwekugadzira kwakawedzerwa ne3%.

Zvichienzaniswa nemasilinda echinyakare emuchina wekuomesa nemhepo, nzvimbo inoshanda yeVAC dryer rolls inonyanya kuda kugadzika pepa remapepa uye kuomesa kwekubatsira, uye maviri aya anoumba hukama hwakabatana uye hwakabatana. Panyaya yekupisa, maVAC dryer rolls haana chimiro chekudziisa chakavakirwa mukati uye anovimba zvachose nekumanikidzwa kwakashata kuti ashande, nepo maSIlinda emuchina wekuomesa nemhepo anoshandisa muchina senzvimbo yekupisa uye anoita mabasa ekutamisa kupisa nekuomesa; pakureva nezvechimiro chepamusoro, maVAC dryer rolls anoshandisa magadzirirwo akacherwa kana akaboorwa, nepo maSIlinda emuchina wekuomesa nemhepo akawanda aine nzvimbo dzakapfava dzakapfava kana dzakagadzirwa nesimbi; pakureva nezvekushanda, maVAC dryer rolls anotarisa pakusimbisa upamhi hwepepa remapepa, kubvisa hunyoro, uye kuderedza zvikanganiso zvemapepa, nepo maSIlinda emuchina wekuomesa nemhepo achitarisa pakufambisa kupisa kwakanaka kuti apedzise kupwanya kukuru kwehunyoro mupepa remapepa. Pakureva nezvesimba rekuomesa, simba rekuomesa reVAC dryer roll rimwe chete rakaganhurirwa, uye maVAC rolls angangoita 2~3 akaenzana nesilinda imwe chete yemuchina wekuomesa. Saka, mukushandiswa kwazvinoitwa, zvakakosha kuenzanisa nesainzi huwandu hwemaVac rolls nema steam dryer cylinders zvichienderana nekumhanya kwemotokari nehuwandu hwepepa kuti pave nekuenzanisa pakati pekushanda zvakanaka nemutengo.

Zvichitevera kufambira mberi kwehurongwa hwe "dual carbon" uye shanduko yekuchenjera uye inochengetedza simba muindasitiri yekugadzira mapepa, kushandiswa kwema VAC dryer rolls kunofanirwawo kufunga nezve kudzora kushandiswa kwesimba uye kugadzirisa. Ma VAC dryer rolls anoda kutsigira vacuum uye ventilation systems, uye zvichienzaniswa nemaitiro ekuomesa echinyakare, kushandiswa kwesimba uye kugadzirisa kwavo kwakakwira zvishoma, asi kuchengetedza simba uye kuderedza kushandiswa kunogona kuwanikwa kuburikidza nehunyanzvi hwekugadzira. Semuenzaniso, Lee & Man Paper yakavandudza SymRun vacuum box panguva yekushandura, ichideredza mutoro wemhepo inopa fan ne30% uku ichivandudza vacuum degree; Valmet Finland yakagadzirisa nzvimbo iri pakati peVac rolls nema dryer cylinders kuburikidza ne3D scanning uye modelling, yakawedzera paper web dryer wrap angle, yakaderedza huwandu hwema blowers nemapipeline emhepo, uye yakaderedza kushandiswa kwesimba uye kugadzirisa mari. Mukugadzirisa kwezuva nezuva, zvinodikanwa kugara uchipukuta maburi nemakomba eVac roll nemhepo yakamanikidzwa kudzivirira kuvharika, kutarisa mashandiro evacuum sealing uye tembiricha yebearing panguva imwe chete, uye kudzora vacuum degree mukati mezvinodiwa zvemaitiro. Kubatanidza nekushandisa nzira dzinoshanda dzekufema dzinopinda muhomwe uye mapombi ekupisa zvinogona kuvandudza kushanda zvakanaka kwekuomesa uye kuderedza kushandiswa kwemhepo ine utsi.

Nekuvandudzwa kuri kuramba kuchiitwa tekinoroji yemichina yemapepa inomhanyisa uye kudiwa kuri kukura kwezvigadzirwa zvemapepa epamusoro-soro, kuvandudzwa kwetekinoroji yeVAC dryer rolls kuchafambirawo mberi pakunyatsorongeka, kuchengetedza simba, uye hungwaru. Mune ramangwana, nerubatsiro rwematekinoroji epamusoro akadai seCFD simulation uye nhamba yekuverenga, dhizaini yegomba uye chimiro chevacuum chamber yeVac rolls zvinogona kugadziriswa zvakanyanya kuti zvivandudze kurongeka kwekudzvinyirira uye dhigirii rekubatanidza mapepa; pamwe chete nekunzwisisa kwakangwara uye kuongorora data hombe, kutonga kwakasimba kwedhigirii revacuum kunogona kuitwa kuti kuenderane nezvinodiwa zvekugadzirwa kwemhando dzakasiyana dzemapepa uye kumhanya kwakasiyana kwemotokari; panguva imwe chete, kuburikidza nekuvandudza zvinhu uye kugadzirisa chivakwa, kushandiswa kwesimba remidziyo uye kupfeka kunogona kuderedzwa, uye hupenyu hwebasa hunogona kuwedzerwa. Se "chishandiso chekusimbisa mhando" chemasisitimu ekuomesa mapepa anomhanyisa, VAC dryer rolls haingogadzirisi chete matambudziko mazhinji ekugadzirisa kwekuomesa kwechinyakare mumamiriro ekushanda anomhanyisa, asiwo inobatsira mabhizinesi ekugadzira mapepa kuvandudza mhando yechigadzirwa uye kugadzirisa kushanda zvakanaka kwekugadzira, zvichiisa simba idzva mukukura kwemhando yepamusoro kweindasitiri yekugadzira mapepa.