Gwaro Rakakwana reZvishandiso zveMabhegi eVacuum uye Mashandisirwo eMichina yeDJVAC Vacuum Packaging

Kurongedza Vacuum uye Kuongororwa Kwezvinhu zveBhegi

Michina yekurongedza yemuchina wevacuum (yemakamuri kana mhando dzekusveta) inobvisa mweya kubva muhomwe yechinhu kana mukamuri, wobva wavhara bhegi kuti uvhare magasi ekunze. Izvi zvinowedzera nguva yekushanda nekuderedza kusvibiswa kweokisijeni uye kudzivirira mabhakitiriya anoora..Kuti izvi zviitike, mabhegi evacuum anofanirwa kusanganisa zvinhu zvakasimba zvekudzivirira nekugara kwenguva refu kwemuchina uye kuvhara kupisa kwakavimbika..Mabhegi evacuum anowanzo shandiswa mapurasitiki ane layer yakawanda, rimwe nerimwe richisarudzwa nekuda kwezvinodzivirira okisijeni/hunyoro, kuramba kupisa, kujeka uye kuomarara kweboore..

Mabhegi eNaironi/PE (PA/PE) eVacuum

•Kuumbwa uye Zvimiro:Mabhegi ePA/PE ane jira rekunze renylon (polyamide) rakanamirwa kune jira remukati repolyethylene.Chidzitiro chenaironi chinopa mukana wekudzivirira kupwanyika nekukuvadzwa zvakanyanya uye chinodzivisa oxygen/kunhuhwirira kwakawanda, nepo chidzitiro chePE chichivimbisa kuvharwa kwakasimba kwekupisa kunyangwe patembiricha yakaderera..Kana tichienzanisa nefirimu rePE rakajeka, mapatani ePA/PE anopa okisijeni yakawanda uye kunhuhwirira kwakanyanya uye anodzivirira kubhoorwa zviri nani..Dzinochengetedzawo kugadzikana kwehukuru hwadzo mukuita kwechando chakadzika uye thermoforming, uye dzinotsungirira kupisa kuri pakati nepakati panguva yekuvhara.

•Mashandisirwo:Mabhegi ePA/PE anoshandiswa zvakanyanya pakudya nyama itsva neyakaomeswa nechando (nyama yemombe, nyama yenguruve, huku, hove) nekuti nylon inodzivirira mapfupa nezvidimbu zvakapinza..Mabhegi aya anochengetedza ruvara rwenyama uye kunaka kwaro panguva yekuchengetwa kwenguva refu. Akanakirawo zvigadzirwa zvechizi nedeli, achichengetedza kunaka uye magadzirirwo azvo nekuderedza kupinda kweoxygen. Firimu iri rakaoma rinotoshanda pakugadzira nyama dzakagadzirwa, ma pâté kana chikafu chakagadzirwa. Semi-liquids nemasosi zvinogona kuiswa mumabhegi ePA/PE zvakare; chisimbiso chakasimba chinodzivirira kubuda kwemvura uye chinochengetedza hwema..Muchidimbu, mabhegi ePA/PE anokodzera chero chikafu chine mipendero isina kurongeka kana yakaoma (mapfupa, machipisi enyama) chinoda kuchengetwa mufiriji kwenguva refu kana kuomeswa nechando.

•Mamwe Mashandisirwo:Kunze kwechikafu, mapatani ePA/PE anoshandiswa pakurongedza mishonga uye zvinhu zvemaindasitiri. Firimu iri rine hutachiona hwakawanda uye rinogara kwenguva refu rinogona kucheneswa uye kuvharwa kuti rishandiswe muzvishandiso zvekurapa, nepo pakurongedza zvemagetsi rinodzora hunyoro uye rinowedzera simba remuchina..Ma layers ekudzivirira static kana ekudzivirira anogona kuwedzerwa pama circuit board kana hardware. Muchidimbu, ma PA/PE bags i workhorse film - ine chidzitiro chakasimba uye ine simba rekuboorwa - inoenderana nevazhinji vacuum sealers (mukamuri kana kunze), zvichiita kuti ive sarudzo yepamusoro yekurongedza vacuum cleaner.

Mabhegi ePolyester/PE (PET/PE) eVacuum

•Kuumbwa uye Zvimiro:Mabhegi epolyester/PE (anowanzonzi mabhegi ePET/PE kana ePET-LDPE) anoshandisa PET (polyethylene terephthalate) yekunze ine PE yemukati.PET yakajeka zvikuru, yakasimba uye yakagadzikana pachiyero, ine simba guru rekudzivirira makemikari nekupisa.Ine chipingamupinyi chakanaka cheokisijeni nemafuta, simba rakanaka kwazvo (5–10× simba rekudhonza rePE) uye inochengetedza hunhu hwemuviri pakupisa kwakakura..Saka mabhegi ePET/PE anopa kujeka (mabhegi anoonekwa nemaziso) uye anovhara zviri pakati nepakati.Dzakaoma uye hadzina kutwasanudzwa zvakanyanya kupfuura PA/PE, saka kuramba kubhoorwa kwakanaka asi kwete kwakanyanya..(Kune zvinhu zvine mapoinzi akapinza, jira renylon ndiro rinodiwa.)

•Mashandisirwo:Mabhegi ePET/PE evacuum akakodzera zvinhu zvinodakujeka uye kuramba makemikariDzinowanzo shandiswa pakubika nyama dzakabikwa kana dzakasvuta nehove panodiwa kuti dzionekwe, semuenzaniso kana kunaka kwekurongedza kuchikosha. Kuomarara kwadzo kunoita kuti dzivharwe pamoto pamichina ye otomatiki..Sezvo PET ichigara zvakanaka pakupisa, mabhegi ePET/PE anoshanda kune zvese zviri mufiriji uye zviri munzvimbo dzakaita semakofi (semuenzaniso bhinzi dzekofi dzakaputirwa muchina kana zvinonhuwira).Dzinoshandiswawo sefirimu yepamusoro mumitsetse yekurongedza ye thermoforming vacuum (ine PA/EVOH/PE forming web).

•Chiziviso chehunyanzvi:Chidziviriro chakasimba chepolyester kumagasi chinobatsira kuchengetedza hwema, asi PET/PE yakachena haina chidziviriro chakadzika cheokisijeni uye kusimba kwePA/PE pakuboorwa.Kutaura zvazviri, dzimwe nguva PET/PE inokurudzirwa kune zvinhu zvakapfava kana zvisinganyanyi kurema.Semuenzaniso, masobho akaputirwa ne vacuum, upfu kana zvekudya zvidiki diki.CarePac inotaura kuti jira rakasimba repolyester (kana nayiloni) rinodzivirira kuboorwa uye rakakodzera kuvharwa kwevacuum..Mukuita, ma processor mazhinji anosarudza PET/PE yezvigadzirwa zvinogara kwenguva refu uye anoshandisa magadzirirwo akavezwa (kana achishandisa michina yekusveta) kuti asimbise kuvharwa kwechinhu..Mabhegi ePET/PE anoenderana nemichina yese yekurongedza vacuum, kunyangwe achishanda zvakanaka mumakamuri (vacuum levels yakawanda inogoneka).

Mafirimu Ane Zvipingamupinyi Zvakawanda (EVOH, PVDC, nezvimwewo)

•Mabhegi Akavakirwa paEVOH:Kuti igare kwenguva refu, ma laminate ane layer yakawanda anosanganisira barrier resin yakaita seEVOH (ethylene-vinyl alcohol). Magadzirirwo akajairika iPA/EVOH/PE kana PE/EVOH/PE. Musoro weEVOH unopa mwero wakaderera wekutapurirana kweokisijeni, nepo nylon kana PET yakapoteredza inowedzera simba remuchina uye kugona kuvharwa..Musanganiswa uyu unopa chipingamupinyi chikuru: Mabhegi eEVOH anoderedza kuoxidation uye kufamba kwehunyoro zvakanyanya. Dzimwe nyanzvimushumo unoti kana tichienzanisa nemabhegi ePA/PE, ma EVOH laminates anobatsira kuchengetedza nguva yakareba mufiriji kana muchando nekurasikirwa kushoma kwechigadzirwa.

•Zvivakwa:Firimu reEVOH rinoonekera uye rinochinjika, asi mumabhegi evacuum rinovigwa pakati pezvikamu zvisingaonekwe.Mabhegi aya anochengetedza hunhu hwechisimbiso hunodiwa kuburikidza nechando, uye PE layer inodzivirira EVOH kubva muhunyoro.Kazhinji dzine simba rakanaka rekuboorwa kubva muzvikamu zvePA.Kazhinji, dzinopfuura PA/PE iri nyore mu oxygen uye kunhuhwirira pasina kukanganisa simba rechisimbiso.

•Mashandisirwo:Mabhegi eEVOH ane vacuum cleaner akakodzera nyama itsva/yakaomeswa nechando, huku nehove dzinofanira kutumirwa kure kana kuchengetwa kwenguva refu. Anoshandawo kune zvekudya zvine mutengo wakakwira kana zvinonzwa oxygen senge chizi, nzungu, michero isina mvura kana chikafu chepamusoro chakagadzirira uye muto. Kune chero chikafu chakatonhora kana chakaomeswa nechando chinofanirwa kuchengetedzwa zvakanaka (ruvara, kunaka, magadzirirwo), bhegi reEVOH isarudzo yakachengeteka.. Zvinhu zvacho zvakanakayenyama inotonhorera nemukaka, pamwe chete nezvinwiwa (soups, kimchi, sauces) zviri mumabhegi-mu-box liners.Muchidimbu, sarudza mabhegi eEVOH pese paunoda chipingamupinyi chikuru—zvakaita sezvigadzirwa zvenyama zvisina kubikwa kana zvinhu zvekuchengetedza zvinhu kwenguva refu.

•Zvimwe Zvipingamupinyi:Mafirimu akaputirwa nePVDC (anoshandiswa mune mamwe mabhegi echizi kana nyama yakacheneswa) anopawo O₂ permeability yakaderera, kunyangwe matambudziko emutemo nekugadzira zvinhu akaderedza kushandiswa kwePVDC..Mafirimu esimbi akaputirwa nesimbi (PET kana PA akaputirwa nearuminiyamu) anovandudzawo chidzitiro (ona chikamu chinotevera).

Mabhegi eAruminiyamu (Akagadzirwa nesimbi) eVacuum

Kofi, tii kana zvinonhuwira zvakavharirwa muchina wevacuum zvinowanzoshandisa mabhegi ane laminated aruminiyamu kuti zvidzivirire zvakanyanya. Matanda efoil aruminiyamu ari muhomwe anopa chipingamupinyi chose kuchiedza, okisijeni uye hunyoro. Matanda efoil-vacuum akajairika ane matanda matatu, semuenzaniso PET/AL/PE kana PA/AL/PE. Firimu rekunze rePET (kana PA) rinopa simba rekudzivirira kupwanywa kwemvura uye simba remuchina, foil yepakati yeAL inovhara gasi nechiedza, uye PE yemukati inovimbisa chisimbiso chekupisa chakachena. Mugumisiro wacho inodzivirira zvakanyanya mupakeji yevacuum: hapana mhepo kana utsi hunogona kupinda.

•Zvivakwa:Mabhegi ealuminium-laminate anogona kuva akaomarara asi achikwanisa kugadzirwa; anoratidza kupisa nechiedza, achidzivirira kubva kuUV nekuchinja kwetembiricha. Anorema uye haana kujeka, saka zviri mukati hazvionekwe, asi zvigadzirwa zvinoramba zvakaoma uye zvisina oxidized.Vanobata mafiriji akadzika uye zvinopisa zvakaenzana.(Cherechedza: mabhegi efoil haagoni kuovheni kunze kwekunge agadziriswa zvakanaka.)

•Mashandisirwo:Shandisa mabhegi efoil pazvinhu zvinokosha kana zvinokurumidza kuora. Mienzaniso yekare inosanganisira kofi netii (kuchengetedza kunhuhwirira uye kutsva), chikafu chakaomeswa nehupfu kana chakaomeswa nechando, nzungu, uye mishonga. Mubasa rezvekudya, mabhegi e sous-vide kana ekubikira-mubhegi anowanzo shandisa foil. Anoshandawo pamishonga nemavhitamini. Munzvimbo dzemaindasitiri, mabhegi efoil vacuum anorongedza zvikamu zvinonzwa hunyoro/mhepo uye zvemagetsi..Chaizvoizvo, chero chigadzirwa chinoora kana chikaiswa mumhepo kana chiedza chinobatsirwa nefoil laminate. Semuenzaniso, mashizha etii akaputirwa mu vacuum (sezvakaratidzwa pamusoro) anoramba aine kunaka kwenguva yakareba mufoil bag kupfuura mupurasitiki isina chinhu.

•Kuenderana kwemuchina:Mabhegi efoil ealuminium anowanzo pfava uyezvimwe zvemabhegi aya akavharirwa mumichina inorema. DJVACmuchina wekurongedza wekunze we vacuumvanogona kugadzirisa mabhegi aya pasina dambudziko.

Mashandisirwo Emaindasitiri Nekuchengetedza Zvakachengetedzwa

Kunyange zvazvo chikafu chiri icho chinonyanya kukoshesa, mabhegi evacuum ane miganho yakawanda ane mamwe mashandisirwo akakosha:

•Zvikamu zveMagetsi neSimbi:Sezvambotaurwa, mabhegi ePA/PE kana efoil vacuum anodzivirira zvinhu zvinonzwa hunyoro panguva yekutumira. Nzvimbo yekubvisa hunyoro pamwe ne desiccant zvinogona kudzivirira oxidation kana ngura yezvikamu zvesimbi..Kusiyana nechikafu, pano munhu anogonawo kushamba nenitrogen asati avhara.Michina yeDJVAC (ine maclamps akakodzera uye zvinodzora) inobata foil iyi yakakora kanaaruminiyamumabhegi.

•Kuchengetedzwa Kwemagwaro:Kurongedza zvinyorwa kunowanzo shandisa mafirimu asina kuvharwa (senge polyethylene yepamusoro kana polyester/Mylar) kudzivirira okisijeni nezvipembenene..Nekugadzira bhegi risingapindi mhepo, magwaro epepa anodzivirira kutsvuka uye kuumbwa.Nheyo imwecheteyo - kuderedza okisijeni - inoshandawo semuchikafu: paki isina mhepo inowedzera hupenyu hurefu.

•Mishonga uye Zvekurapa:Zvishandiso zvekurapa zvisina utachiona zvinovharwa mupurasitiki muzvikwama zvine misungo yakawanda. Mabhegi ePA/PE anowanikwa pano, dzimwe nguva aine maburi akatsemuka. Firimu rinofanira kusangana nezvinodiwa neFDA kana zvehutano.

Muzviitiko zvese izvi, chinhu chikuru kushandisa firimu rakaongororwa zvichienderana nemamiriro echigadzirwa (semuenzaniso, hapana halogen yemagetsi, mhando yezvinyorwa zvemagwaro).Michina yeDJVAC yekuputira vhudzi inogona kubata mabhegi akasiyana-siyana uye saizi dzakasiyana-siyana, saka vatengi vanofanira kudoma firimu ravanoda..

Kusarudza Chinhu Chakakodzera Chekushandisa Vacuum Bag

Pakusarudza bhegi rekushandisa vacuum, funga nezve:

•Zvinodiwa pakudzivirira:Chigadzirwa chinofanira kugara chitsva kwenguva yakareba sei uye mumamiriro api ezvinhu? Kana zvichidikanwa chete kuti chigare mufiriji kwenguva pfupi, bhegi rePA/PE kana PET/PE rakajairwa rinogona kukwana.Kana muchichengeta chando kwemwedzi yakawanda kana muine zvinhu zvinokurumidza kubatwa nechando, shandisai EVOH kana foil laminates ineyakaderera zvakanyanyaKutapurirana kweO₂.

•Kudzivirirwa kweMichina:Chinhu chacho chichava nemipendero yakapinza here kana kuti chichabatwa chakakombama? Wobva waisa pfungwa dzako pakusaboorwa (laminates dzakapfuma nenylon kana kuti texturing yakagadzirwa ne embossed).Zvikamu zvemaindasitiri zvakakura kana nyama dzine mapfupa zvinoda mafirita akasimba.

•Nzira yekuisa chisimbiso:Mabhegi ese evacuum anoshandiswa pakuvhara kupisa.PE (LDPE kana LLDPE) ndiyo yakajairika yekuvhara.Iva nechokwadi chekuti tembiricha yekuvhara bhegi inoenderana nekupisa kwemuchina wako.Mamwe mafirimu ane zvipingamupinyi zvakawanda angada tembiricha yepamusoro yechisimbiso kana kumanikidzwa kwakanyanya kwechibatiso.

•Kuchengetedzeka Kwezvekudya uye Mitemo:Shandisa mafirimu emhando yepamusoro echikafu anotenderwa neFDA/GB.DJVAC inoshanda pamwe chete nevatengesi vemabhegi vanopa zvinhu zvine chitupa chekubatana nechikafu. Kumisika yekutengesera kunze kwenyika, mafirimu anowanzoda magwaro ekutevedzera mitemo.

•Mutengo vs. Kushanda:Mabhegi eEVOH kana efoil ane misungo yakawanda anodhura zvakanyanya.Mari yacho ichienzaniswa nezvinodiwa zvemazuva ese ekushanda.Semuenzaniso, nzungu dzakaputirwa mu vacuum dzakagadzirirwa kutengeswa kunze kwenyika dzinogona kubvumidza mabhegi efoil, nepo kuomesa musha kungashandisa mabhegi ePA/PE ari nyore.

Muchokwadi, ma processor anowanzo kuyedza mabhegi emuenzaniso. Vagadziri vazhinji vanopa ma rolls ekuyedza kana mapepa ekuyedza vatengi.Tsanangura chigadzirwa chako (semuenzaniso "zvidimbu zvehuku zvakachengetwa muchando"), nguva yaunoda kuchengetwa, uye nzira yekurongedza kuti uwane chimiro chinokurudzirwa.

Mhedziso

Michina yekurongedza vacuum maturusi anochinjika, asi inoda zvinhu zvebhegi zvakakodzera kuti ishande zvakanaka.Michina yekurongedza yeDJVAC inogona kushandisa mhando dzese dzemabhegi makuru ari pamusika - kubva pamabhegi ePA/PE akajairwa kusvika kumabhegi eEVOH ane misungo yakawanda uye mafoil laminates anorema..Nekunzwisisa hunhu hwezvinhu (simba rekudzivirira, kuramba kupisa, kuomarara kweboore) uye kuzvienzanisa nekushandiswa (nyama, chizi, kofi, nzungu, nezvimwewo), vagadziri vanogona kuve nechokwadi chekuti chigadzirwa chacho chakanaka uye chinoshanda zvakanaka..Uyezve, kushandisa bhegi rakakodzera nemuchina wakakodzera (rakaiswa embossed vs. flat, chamber vs. suction) kunowedzera mwero we vacuum uye seal integrity. Muchidimbu, kana uchishandisa muchina weDJVAC vacuum packaging, sarudza zvinhu zvebhegi zvinopa dziviriro inodiwa kune chigadzirwa chako uye zvinoenderana nekugadzirwa kwemuchina. Nenzira iyi, uchawana nguva refu yekushanda, chitarisiko chakanaka uye seal yakavimbika - zvese zvakakosha kuti chikafu nemaindasitiri zvibudirire pakurongedza.