Khoom noj khoom haus ntim zaj duab xis: tuam ntxhab, yam ntxwv, lub hom phiaj ntawm zaj duab xis thiab daim ntawv thov

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Tsuas muaj ntau txoj hauv kev los ntim zaub mov. Feem ntau, cov khoom zoo li no tau ntim, piv txwv li, hauv cov thawv ntawv, cov hnab ntawv, cov tins, thiab lwm yam. Tsis ntev los no, cov khoom noj uas tau ntim nrog cov ntawv nyias nyias thiab txaus elastic tuaj yeem pom hauv khw muag khoom. Tshwj xeeb, ntau yam khoom siv ua tiav, cov nqaij, thiab cov khoom bakery feem ntau muag hauv daim ntawv no. Zaj yeeb yaj kiab no hu ua zaub mov thiab siv tau suav tias yooj yim heev.

Yuav ua li cas

Cov khoom no yog ib hom tshwj xeeb ntawm stretch film. Polyvinyl chloride lossis polyethylene tuaj yeem siv los ua cov khoom siv raw rau kev tsim cov ntim ntawm ntau yam no. Cov tais rau stacking cov khoom nyob rau hauv rooj plaub no feem ntau yog ua los ntawm Styrofoam.

Technologies hauv kev tsim cov khoom ntim cov yeeb yaj kiab tuaj yeem siv tau, piv txwv li, xws li:

• siab tuag casting;
• nqus thiab tshuab moulding;
• pneumoforming.

Kuj qee zaum cov khoom no yog tsim los ntawm kev siv tshuab nias.

Feedstock rau kev tsim cov ntim zaj duab xis rau cov khoom noj khoom haus ntawm cov lag luam, tau kawg, xaiv qhov zoo tshaj plaws xwb. Feem ntau, rau kev tsim khoom ntawm cov khoom ntim no, cov chaw tsim khoom siv cov cuab yeej tshwj xeeb - extruders. Ntawm cov cuab yeej zoo li no, zaj duab xis yog tsim los ntawm tshuab los ntawm sab saum toj mus rau hauv qab. Kev siv cov khoom siv no ua rau nws ua tau kom cov txheej txheem tsim khoom ntawm cov khoom no sai thiab pheej yig.

Ntau tus neeg tau txais kev pab, tau kawg, kuj xav paub seb cov khoom noj khoom haus zoo li cas txawv ntawm cov ntim khoom. Tsis zoo li cov polyethylene yooj yim lossis PVC, cov khoom siv no tsis muaj cov tshuaj lom neeg lom.

ntau yam tseem ceeb

Cov zaj duab xis siv rau ntim khoom noj yog cais raws li hom khoom siv. Qhov no feature, ntawm lwm yam, yog txiav txim siab thaum xaiv ib tug tshwj xeeb txoj kev ntawm nws daim ntawv thov. Tam sim no, cov chaw lag luam muab kev lag luam nrog peb hom kev cling zaj duab xis:

• YPVC;
• Ypolyethylene;
• shrink.

Cov khoom siv polyethylene no yog siv los ntim cov khoom puas tsuaj. Xws li ib zaj duab xis yog elastic, ruaj thiab nplaum. Cov khoom no tsuas yog siv rau kev ntim khoom noj txias xwb.

YPVC zaj duab xissiv tib yam li polyethylene. Nyob rau hauv cov nqe lus ntawm lub zog, elasticity thiab stickiness, nws yog nyob rau hauv tsis muaj txoj kev inferior rau nws. Tab sis nws thickness feem ntau yog me ntsis tsawg. Qhov zoo ntawm cov khoom no, piv nrog polyethylene, yog ua tiav vapor thiab roj impermeability. Ntawd yog, cov khoom tuaj yeem ntim rau hauv cov yeeb yaj kiab zoo li nruj li sai tau. Feem ntau, PVC zaj duab xis yog siv los ntim cov nqaij nyoos thiab nqaij qaib. Tab sis qee zaum zaub lossis txiv hmab txiv ntoo kuj tau qhwv hauv nws. Cov khoom siv no feem ntau yog siv los ua ke nrog daim duab los yog ua npuas dej.

Thermoshrinkable zaj duab xis rau ntim khoom noj kuj yog tsim los ntawm PVC. Cov khoom ntawm no ntau yam yog tsim nyob rau hauv daim ntawv ntawm ib nrab-lub tes tsho. Nws lub ntsiab txawv feature yog lub peev xwm muab lub zog shrinkage thaum rhuab. Ntxiv rau cov khoom noj, cov yeeb yaj kiab no feem ntau yog siv los ntim cov khoom tsis yog khoom noj.

Txoj Kev Cua

Cov yeeb yaj kiab ntawm ntau hom tuaj yeem siv rau ob qho tib si phau ntawv thiab ntim tsis siv neeg. Qhov nrov ntawm cov khoom siv no feem ntau yog vim tias nws tuaj yeem siv tau yooj yim ob qho tib si ntawm cov chaw lag luam uas muaj peev xwm ntau lawm, thiab ntawm qhov nruab nrab lossis me me.

Tshwj xeeb cov tshuab ntim khoom feem ntau yog siv los qhwv cov khoom hauv polyethylene lossis PVC zaj duab xis. Tsis tas li ntawd, haum nrog cov khoom siv no tuaj yeem ua tiav siv cov khoom siv tshwj xeeb.

Khoom ntim khoom yog tsim los ntawm ntau lub tuam txhab, ob leeg hauv tsev thiab txawv teb chaws. Piv txwv li, nyob rau hauv peb lub teb chaws Hualian daim tawv nqaij-packing khoom noj khoom siv rau wrapping khoom nyob rau hauv zaj duab xis, domestic rooj los ntawm Agroresurs, thiab lwm yam. yog nrov heev.

Siv cov qhwv qhwv

Ntim siv cov khoom no tuaj yeem yog:

• group;
• single;
• stacked.

Hauv thawj rooj plaub, cov khoom zoo sib xws tau ua tiav ua ntej. Tom ntej no, cov pab pawg yog qhwv nrog ib zaj duab xis, uas, tom qab shrinkage, tsim ib lub hnab ntim. Rau ib lub ntim, tib txoj kev siv. Tab sis nyob rau hauv cov ntaub ntawv no, tsuas yog ib yam khoom yog pre-pob nyob rau hauv ib zaj duab xis.

Thaum stacking, ib pawg ntawm cov khoom (kua txiv, kaus poom, fwj, thiab lwm yam) yog thawj zaug tso rau ntawm ib lub tais hauv ob peb kab. Tsis tas li ntawd, tag nrho cov qauv yog them nrog lub tshav kub-shrinkable npog thiab pub rau hauv qhov cub. Qhov tshwm sim yog ib qho kev sib cog lus thiab ruaj khov, haum rau kev thauj thiab khaws cia.

Cov txiaj ntsig rau cov tuam txhab

Cov khoom ntim khoom noj hnub no yog qhov raug suav hais tias yog hom khoom ntim yooj yim tshaj plaws. Nws cov txiaj ntsig tseem ceeb yog:

• ntim me me thiab hnyav;
• nqi qis;
• siv tau yooj yim.

Cov khoom ntim nrog cov khoom siv no hauv cov tsev khaws khoomsiv ntau qhov chaw tsawg dua li ntim, piv txwv li, hauv cov thawv ntawv. Xws li ntim yog pheej yig dua li ntawv thiab, tshwj xeeb tshaj yog, hlau. Tom qab kev tsim khoom, cov khoom zoo li no feem ntau yog mob rau hauv lub teeb yuag compact yob. Lub ntim zaj duab xis yog li ntawd, ntawm lwm yam, yooj yim heev rau khaws cia. Cov lag luam tsis muaj teeb meem nrog kev thauj mus los ntawm cov khoom siv.

txiaj ntsig rau cov neeg yuav khoom

hom ntim no yooj yim tsis yog rau cov khw muag khoom noj xwb, tab sis kuj rau cov neeg yuav khoom. Txij li thaum cling zaj duab xis yog pob tshab, cov khoom qhwv hauv nws hauv lub khw yuav ib txwm raug kuaj pom thiab txiav txim siab seb nws puas tsim nyog yuav lossis tsis, thiab seb nws qhov zoo sib xws rau tus nqi. Cov khoom lawv tus kheej, muab qhwv rau hauv zaj duab xis, tsis txhob nqus dej ntau dhau los yog lwm yam ntxhiab tsw txawv teb chaws.

YPuas muaj cons

Qhov zoo ntawm cov khoom siv no, yog li, muaj ntau. Tab sis cov khoom zoo li no, tau kawg, kuj muaj qee qhov tsis zoo:

• PVC thiab polyethylene tuaj yeem tawm, txawm hais tias nyob rau hauv qhov tsawg heev, tab sis tseem muaj cov tshuaj phem heev rau tib neeg lub cev;
• Cov qauv ntawm cov khoom noj khoom haus yog qhov uas muaj ntau zaus nws tsis tuaj yeem siv lub tuam txhab logo thiab cov ntaub ntawv khoom ncaj qha rau nws;
• Cling zaj duab xis tsis tuaj yeem rov qab siv dua, tab sis rov ua dua nws kim heev.

Lwm qhov tsis zoo ntawm cov yeeb yaj kiab no yog cov khoom ntim hauv pawg yog qhov nyuaj duaua siab ntev. Kov, zoo li, piv txwv li, tib daim duab los yog lub thawv ntoo, nws yog tsis yooj yim sua kom ntxiv hom ntim no, rau cov laj thawj pom tseeb.

Leej twg tsim nyob rau hauv Russia

Ntau lub tuam txhab, ob qho tib si hauv tsev thiab txawv teb chaws, tsim ntim zaj duab xis hnub no. Hauv peb lub tebchaws, nws cov tuam txhab nto moo tshaj plaws yog:

• Variopak (St. Petersburg).
• Lava Corporation (Moscow).
• Regent tuam txhab (Moscow).

Variopak tau sau npe hauv St. Petersburg hauv 1999. Hauv xyoo 2008, cov chaw tsim khoom lag luam no tau tsim thawj cov khoom lag luam ntawm stretch zaj duab xis. Niaj hnub no, lub peev xwm ntau lawm ntawm lub tuam txhab "Variopak" yog kwv yees li 15 txhiab tons ntawm cov khoom hauv ib xyoos.

Tus tsim khoom ntim zaj duab xis "Lava" tau ua haujlwm hauv tebchaws Russia txij li xyoo 2004. Tam sim no, lub tuam txhab no tsim cov yeeb yaj kiab tshwj xeeb rau kev thauj khoom ntawm pallets.

Lub tuam txhab Regent tau tsim nyob rau hauv Russia xyoo 1991. Cov chaw tsim khoom no tshwj xeeb hauv kev tsim cov khoom noj khoom haus rau ob qho tib si pallets thiab cov khoom lag luam. Regent cov khoom tseem tuaj yeem ua ntau txheej lossis nws tus kheej nplaum.