Ifilimu yeplastiki yeplastiki yindawo esetyenziswayo esetyenzisiweyo yokupakisha i-Retort-ukunganyangeki. I-Retort kunye ne-Serpussizations yinkqubo ebalulekileyo yokupakisha amaqondo obushushu ephinda-phinde. Nangona kunjalo, iipropathi zomzimba zeefilimu zeplastiki zeplastiki zithambekele ekubonweni kwe-thermal emva kokuba ivutha ngumsindo, kukhokelela kwizinto zokupakisha ezingafakwanga. Eli nqaku lihlalukela kwiingxaki eziqhelekileyo emva kokupheka iingxowa zeqondo lokushisa amaqondo obushushu, kwaye wazisa ngeendlela zazo zokuvavanywa kwentsebenzo, ngethemba lokukhokela ukubaluleka kwemveliso yokwenyani.
I-Pototing ephezulu yokunganyangeki yi-Pouct Popuct yifom yokupakisha isetyenziselwa inyama, iimveliso zesoya kunye neminye imveliso yokutya. Kugqityiwe ukutshixuka kwaye kungagcinwa kubushushu begumbi emva kokufudunyelwa kunye nokufuduswa kubushushu obuphezulu (100 ~ 135 ° 2 ° C). I-Retort-Ukunganyangeki kokutya okunganyangekiyo kulula ukuthwala, ukulungele ukutya emva kokuvula ibhegi, icocekile kwaye ilungele ukugcina incasa yokutya, ke ithandwa kakhulu ngabathengi. Kuxhomekeka kwinkqubo ye-sterilizal kunye nezinto zokupakisha, ubomi beshelfti yeemveliso zokupakisha i-retort zisusela kwisiqingatha sonyaka ukuya kwiminyaka emibini.
Inkqubo yokufakwa kwe-Retort ye-Retort i-Bag eyenza, ingxowa-ngqwaba, ukungcungcutheka, ukubhalwa, ukupheka, ukupheka kunye nokupholisa, kunye nokupakisha. Ukupheka kunye nokufudumeza yintsholongwane yinkqubo engundoqo kuyo yonke inkqubo. Nangona kunjalo, xa iingxowa zepakethi ezenziwe ngezinto zepolymer-i-plastics, intshukumo ye-molecular iqinisa emva kokuba ivuthiwe, kwaye iipropathi zomzimba zezinto ezibonakalayo zithambekele kwi-themonial fast. Eli nqaku lihlalukela kwiingxaki eziqhelekileyo emva kokupheka kweengxowa zeqondo lokushisa amaqondo obushushu, kwaye wazisa ngeendlela zazo zokuvavanywa kokusebenza ngokwasemzimbeni.
1. Uhlalutyo lweengxaki eziqhelekileyo nge-Retort-upakisha
Iqondo lokushisa eliphezulu lokufumana amaqondo obushushu aphinda lithunyelwe kwaye lifudunyele kwaye lifakwa rhoqo kunye nezinto zokupakisha. Ukwenzela ukufezekisa iipropathi eziphakamileyo zomzimba kunye neepropathi zomqobo ezilungileyo, ukupakishwa kwakhona kwe-Retort kwenziwa ngeendlela ezahlukeneyo. Izinto ezisetyenziswa ngokuqhelekileyo zibandakanya i-P, Pet, Al kunye ne-CPP. Izakhiwo eziqhelekileyo ezisetyenzisiweyo zinezifiso ezimbini zefilimu, kule mizekelo ilandelayo (i-bopa / CPP, ifiliphu) yefilimu ye-PARME / i-PARPE / i-PEP / CAP / CPP). Kwimveliso yokwenene, ezona ngxaki ziqhelekileyo zinobungozi, iingxowa ezaphukileyo, ukuvuza komoya kunye ne-odor emva kokupheka:
1). Kukho iintlobo ezintathu zokwaphuka kwiingxowa zephakheji: ezithe tye okanye ezithe tye okanye ezithe nkqo okanye ezingaqhelekanga kwindawo yokupakisha; ukuqina kunye nokuqhekeka kwi-Later nganye kunye nokungabinamlimo; I-Shrinkage yezinto zokupakisha, kunye nokuntywila komaleko ohlanganisiweyo kunye nezinye iindawo ezihlanganisiweyo zahlukile, inemizila. Iingxowa ezaphukileyo zahlulwe zaba ziindidi ezimbini: Ukutsalwa ngokuthe ngqo kunye nokuqaqamba kwaye uqhume.
2). Ukulibazisa okuncinci kubonakaliswa njengemitya-njengemifuziselo kwiinxalenye ezigxilisiweyo zokupakisha, kwaye amandla anyibilikisiweyo ancitshiswa, kwaye anokuba uqhekezwe ngesandla. Kwiimeko ezinzima, umaleko wokudibanisa wahlukaniswa kwindawo enkulu emva kokupheka. Ukuba kulibaziseka kwenzeka, ukomeleza ukudityaniswa kweepropathi zomzimba phakathi kwezinto ezihlanganisiweyo zezinto ezenziweyo ziya kunyamalala, zenza ukuba kungabikho nto inokwenzeka kwi-Shelf Life, ihlala ibangela ilahleko enkulu kwishishini.
I-3) .SSLLKAN yokuvuza i-airlight ngokubanzi inexesha elide lokufakelwa kwaye akukho lula ukufumana ekuphekeni. Ngexesha lokujikeleza kwemveliso kunye nexesha lokugcina, inqanaba le-vacuum lemveliso liyancipha kwaye umoya ocacileyo uvela kwiphakeji. Ke ngoko, le ngxaki esemgangathweni ibandakanya inani elikhulu leemveliso. Iimveliso zinempembelelo enkulu. Ukuvela kokuvuza komoya kunxulumene ngokusondeleyo notywala obuthathaka kunye nokuhlaselwa ngokutsha kwengxowa yeregret.
4). I-Odor emva kokupheka ikwayingxaki yomgangatho oqhelekileyo. Iphunga elingaqhelekanga elibonakala emva kokupheka lihambelana nentsalela egqithisileyo kwiziselo ezizezongeziweyo kwizinto zokupakisha okanye ukukhetha okungafanelekanga. Ukuba ifilimu ye-PE isetyenziswa njengomaleko ongaphakathi otywina amaqondo obushushu aphezulu okubakwa kweqondo lokupheka ngaphezulu kwe-120 °, ifilimu ye-PE iqhutywa kwi-odor kwiqondo lobushushu ephezulu. Ke ngoko, i-RCPP inyulwe ngokubanzi njengomaleko wangaphakathi weengxowa zokupheka eziphezulu.
I-2. Iindlela zokuvavanywa kweepropathi zomzimba zepakethi enganyangekiyo
Izinto ezikhokelela kwiingxaki zomgangatho wokunganyangeki zintsonkothileyo kwaye zibandakanya izinto ezininzi ezifana nezixhobo ezinobuqhetseba, imingxunya, i-inks, ingxowa yengxowa kunye nengxowa yengxowa. Ukuqinisekisa ukupakisha umgangatho kunye nobomi beshelhesi yokutya, kuyimfuneko ukuqhuba iimvavanyo zokuxhathisa ukupheka kwizinto zokupakisha.
Umgangatho wesizwe osebenza kwi-Retort-upakisha i-GB / T10004-2008 "Ifilimu eyoyikisayo yeplastiki ye-wis's Proms kunye ne-GATRORT" Msgstr "" "Ifilimu ye-biaixproplyllene ifilithene / i-Polythylene ye-Polythylene Comsms kunye neengxowa". I-GB / T i-10004-2008 ibandakanya iipropathi ezahlukeneyo kunye nezalathisi ezintsokothileyo zokunganyangeki kunye neengxowa ze-Retort ze-Retort kunye neengxowa, kwaye zifuna ukuba iingxowa zepakethi ezinganyangekiyo zivavanywa ngokuchasene namaqondo obushushu aphezulu. Indlela yokugcwalisa iingxowa zokunganyangeki ze-retort nge-4% ye-acetic acid, i-Inforlium yeSodium, i-oyile ye-Isdaium ye-WODIM kunye ne-oyile yemifuno, kwaye ipholile ngelixa uxinzelelo luhlala lungaguqukanga. Ke imbonakalo yayo, amandla enuntshingi, i-Elongrey, amandla okutsala kunye namandla okutsalela itywina bavavanywa, kwaye iqondo lokwehla lisetyenziswa ukuyivavanya. Ifomula imi ngolu hlobo lulandelayo:
R = (AB) / A × 100
Kwifomula, yinqanaba lokwehla (%) lezinto ezivavanyiweyo, i-a lixabiso lezinto ezivavanyiweyo ngaphambi kovavanyo oluPhezulu lobushushu obunganyangekiyo; I-B lixabiso eliphakathi lezinto ezivavanyiweyo emva kovavanyo oluphakathi lwamaqondo obushushu. Iimfuneko zomsebenzi zezi: "Emva kovavanyo oluphezulu lokunganyangeki, iimveliso ezinobushushu benkonzo ezingama-80 ° 2 okanye ngaphezulu kwengxowa, kunye ne-Suren Preyim eqhekezweni, ireyithi yendlela yokutsalwa.
3. Ukuvavanywa kweepropathi zomzimba zeengxowa zokunganyangeki
Olona vavanyo lovavanyo kumatshini unokubufumana inyani kakhulu intsebenzo yokupakisha irejista enganyangekiyo. Nangona kunjalo, le ndlela ayipheliyo kuphela, kodwa ikwanqongophele ngesicwangciso semveliso kunye nenani leemvavanyo. Kuyinto engeyiyo, inkunkuma enkulu, nendleko eziphezulu. Ngovavanyo lwe-Retort yokufumana iipropathi ezifana nezo ntembeko, amandla etywina, amandla ashushu, itywina lokungavisisani kwengxowa ye-Retort kungagwetywa ngokupheleleyo. Iimvavanyo zokupheka ngokubanzi zisebenzisa iintlobo ezimbini zequlatho lokwenyani kunye nezixhobo ezikhoyo. Uvavanyo lokupheka usebenzisa iziqulatho zokwenene zinokusondela kwimeko yemveliso kwaye zinokuthintela ngokufanelekileyo ukupakisha ukungena kwilayini yemveliso kwiibatch. Ukupakisha iifektri, iSimolants isetyenziselwa ukuvavanya ukuxhathisa izinto zokupakisha ngexesha lenkqubo kwaye ngaphambi kokugcinwa. Ukuvavanywa kokusebenza kokupheka kuyasebenza ngakumbi kwaye kuyasebenza. Umbhali wazisa indlela yovavanyo lokuqulunqa ngokwasemzimbeni lweengxowa zokunganyangeki ze-Retort ngokuzalisa iziselo zokulinganisa ukutya kubavelisi abathathu abahlukeneyo kunye neemvavanyo ezibilayo kunye nokubilisa ngokulandelelana. Inkqubo yovavanyo imi ngolu hlobo lulandelayo:
1). Uvavanyo lokupheka
Izixhobo: Ikhuselekile kwaye ikhuselekile-tyhefu-tyhafu-tyholo olunamaqondo obushushu aphezulu, i-HST-H3 Hearter
Amanyathelo ovavanyo: Beka ngononophelo i-4% ye-Acetic acid kwingxowa yerejista ukuya kwisibini kwisithathu sevolumu. Lumka ungangcoliseli itywina, ukuze ungachaphazeli ukukhawuleza ngokukhawuleza. Emva kokugcwalisa, tywina iingxowa zokupheka nge-HST-H3, kwaye ulungiselele iisampulu ezili-12 zizonke. Xa ukutywinwa, umoya ebhegini kufuneka udinwe kakhulu kangangoko unakho ukuthintela ukwanda komoya ngexesha lokupheka ekuchaphazeleni iziphumo zovavanyo.
Beka isampulu etywiniweyo kwimbiza yokupheka ukuqala uvavanyo. Cwangcisa ubushushu bokupheka ukuya kwi-121 ° C, ixesha lokupheka ukuya kwimizuzu engama-40, i-Steam 6 iisampulu, kwaye zibilise iisampulu ezi-6. Ngexesha lovavanyo lokupheka, thatha ingqalelo yotshintsho loxinzelelo lomoya kunye neqondo lobushushu kwimbiza yokupheka ukuqinisekisa ukuba iqondo lobushushu kunye noxinzelelo lugcinwa ngaphakathi kuluhlu lweeseti.
Emva kokuba uvavanyo lugqityiwe, kupholile kubushushu begumbi, yikhuphe kwaye uqaphele ukuba zikhona iingxowa eziphukileyo, amaqhina, ukuviwa, njl njl. Umphezulu we-3 # isampulu yayingagungqiyo emva kokupheka, kwaye imiphetho yaye yaphulukana namanqanaba ahlukeneyo.
2). Ukuthelekisa iipropathi ze-tensle
Thatha iingxowa zokupakisha ngaphambi nasemva kokupheka, usike iisampulu ezinde ze-15mm × 15mm kwindawo ye-4 ± 2 ℃ ne-50 ± RH. I-XLW (PC) Umatshini wokuvavanya ubuchule obukrelekrele obukrelekrele wawusetyenziselwa ukuvavanya amandla okuqhekeza kunye ne-elongwation kwikhefu phantsi kwemeko ye-200mm / imiz.
3). Uvavanyo lwe-peel
Ngokwendlela ye-A ye-GB 8808-1988 "Indlela yovavanyo lwe-Peel yePlasitili yePlasitili yePlasitili", Sika isampulu kububanzi be-15 ± 0.10mm kunye nobude be-150mm. Thatha iisampulu ezi-5 kwicandelo elithe tyaba kwaye lithe nkqo. I-PER-PEROLTIATER YOKUQHUTYELWA KWESIKHOKELO SOKUGQIBELA KWESIQINISEKISO SOKUGQIBELA
4). Uvavanyo lokutsala
Ngokwe-GB / T 2358-1998 "Indlela yovavanyo lokuthengisa ubushushu beengxowa zokuvavanywa kwefilimu", ivule isampulu yovavanyo lwe-1500mm / umthwalo ophezulu uvavanywe usebenzisa ifomula yeqondo lobushushu GB / T 10004-2008.
Shwankathela
Ukutya okuxhaphakileyo okunganyangekiyo kuyanda kubanjwa ngabathengi ngenxa yokutya nokugcina. Ukwenzela ukuba ugcine ngokufanelekileyo umgangatho wesiqulatho kunye nokuthintela ukutya okukhuthazayo, onke amanqanaba e-RETRT ye-Repret yengxowa kufuneka abekwe esweni ngokungqongqo kwaye alawulwa ngokufanelekileyo.
I-1. Iingxowa zeqondo lokupheka eliphezulu lokupheka kufuneka zenziwe ngezinto ezifanelekileyo ezisekwe kumxholo kunye nemveliso. Umzekelo, i-CPP ikhethwe ngokubanzi njengendawo yokutywina yangaphakathi yeengxowa zokupheka amaqondo obushushu. Xa iingxowa zokupakisha eziqukethwe ii-alles zisetyenziselwa ukupakisha i-Acid kunye ne-Alkaline umxholo, i-PARME SPOTER, i-PPO yokuQalwa kweMveliso kufuneka yongezwe phakathi kwe-AL kunye ne-CPP ukukhulisa ukunyangwa kwe-acid kunye ne-alkali yokuziphindezela; Inqaku ngalinye lokudibanisa ukuntywila kweshushu kufuneka lingangqinelani okanye lifana nokuphepha ukubekwa okanye ukulibazisa umbandela emva kokupheka ngenxa yokuhambelana nobushushu bepropathi.
2. Cwangcisa ngokufanelekileyo inkqubo yokuhlanganisa. Iibhegi zeqondo lobushushu eziPhezulu zokunyangeka kakhulu zisebenzisa indlela eyomileyo yokudibanisa. Kwinkqubo yemveliso yefilimu e-Retort, kuyimfuneko ukukhetha inkqubo efanelekileyo yokuthambisa nefanelekileyo, kwaye ulawule ngokufanelekileyo iimeko zokunyanga ukuqinisekisa ukuba iarhente ephambili yomlinganiso kunye ne-arhente yokunyanga iphendule ngokupheleleyo.
I-3. Ukunyangwa kweqondo eliphezulu eliphakathi yeyona nkqubo inamandla kwinkqubo yokupakisha yeqondo eliphezulu leqondo lokushisa. Ukwenzela ukunciphisa ukwenzeka kweengxaki zomgangatho we-batch, iingxowa zereji zerejista eziphezulu kufuneka ziphinde zivavanywe kwaye zihlolwe ngokusekwe kwiimeko zokwenyani ngaphambi kokusetyenziswa nangemveliso. Jonga ukuba impahla yephakheji emva kokupheka iflethi, ijijekile, iqhutywa, nokuba kukho ukulibazisa, nokuba kukho ukurhoxisa, nokuba kuyanda, nokuba kuvunyiwe, nokuba kuyanda, nokuba kukhula, nokuba kuhlangatyezwa khona iimfuno, njl.
IXESHA LOKUQALA: UJan-18 ukuya ku-2024
