Kho, kev ua haujlwm tiav lossis kev tsim kho - tag nrho cov lus no yeej tsis txuas nrog kev kho vaj tsev ntawm lub tsev, tab sis kuj muaj qee cov khoom pov tseg. Qee lub sij hawm kuj muaj ntau yam txawm tias qhov kev xav ntawm qhov no feem ntau ua rau lub siab xav txawm pib pib hloov hauv tsev. Txawm li cas los xij, txoj kev tsim cov khoom yooj yim xws li lub hnab rau cov khib nyiab tuam tsev ua haujlwm pab kom muaj txoj hmoo zoo no. Cia peb xav txog lawv cov hom phiaj, thiab peb kuj yuav tsum ua kom pom tseeb ntawm kev xaiv.
Cov nta ntawm lub hnab rau kev siv khib nyiab
Qhov tseeb, lub hnab uas tsim los rau khib nyiab los ntawm kev tsim kho yog zoo ib yam li cov hnab ev khoom khib nyiab uas peb paub txog. Lub ntsiab qhov txawv yog qhov loj qhov ntev thiab cov khoom. Yog tias cov hnab hauv tsev tsis muaj cov polyethylene tsis muaj zog thiab muaj qhov siab tshaj 60 liters, nws yog to taub tias cov tsev khib nyiab loj yuav tsis tuaj thauj lawv.
Lub hnab rau kev siv khib nyiab txawv hauv lawv qhov ceev thiab loj. Lawv yog los ntawm ob cov ntaub ntawv - polypropylene thiab polyethylene. Cov khoom siv tom kawg yog txawv me ntsis ntawm dab tsi yog siv los ua cov hnab hauv tsev. Xws li cov tshuaj polyethylene ua rau qis los sis siab. Lub hnab ntawm high-density polyethylene yog heev ywj thiab withstands nro zoo. Xws li ib qho khoom yog ib qho yooj yim los txheeb xyuas los ntawm ib tug ci iab, glossy nto thiab tsis muaj rustling. Polyethylene hnab rau cov khib nyiab uas tsis muaj kev sib tsoo tsim muaj qhov muaj zog heev thiab ntom ntom. Nyob rau tib lub sij hawm lawv weakly stretched thiab yooj yim puas los ntawm ntse kawg. Txiav txim siab xws li ib yam khoom yog yooj yim ntawm matte nto thiab luam tawm rustle.
Lwm version ntawm muaj zog lub hnab rau lub tsev khib nyiab yog tsim los ntawm lwm yam tshuaj polypropylene. Xws li cov hnab ntim cov hnyav hnyav, tsis tshua muaj kev nkag los ntawm cov ntse ntse thiab tsis txhob tawg ntawm. Los ntawm txoj kev, xws li cov hnab siv tsis yog rau cov khib nyiab pov tseg, tab sis kuj yog khaws cia khoom noj khoom haus - cereals, qab zib. Nyob rau hauv dav dav, polypropylene hnab yog ua los ntawm thread, yog li lawv muaj ib yam ntawm weaving.
Yuav ua li cas xaiv lub hnab rau kev siv khib nyiab?
Thaum muas tau cov hnab zoo rau kev tsim khib nyiab, koj yuav tsum xav txog ntau lub ntsiab lus. Firstly, nws yog qhov ntim ntawm ib lub hnab rau kev tsim khib nyiab. Qhov no yog ib qho tseem ceeb ntawm ntau qhov kev pabcuam. Feem ntau yog "feem me me" - 90 liters, 120 liters thiab 180 liters. Cov hnab loj rau kev siv khib nyiab tuaj yeem ncav cuag 200 liters, 240 liters thiab 350 liters.
Qhov peev xwm nqa tau yog lwm qhov tseem ceeb. Rau cov khib nyiab siv me me uas haum cov hnab yas ntawm polyethylene. Polypropylene khoom tau yooj yim mas mus txog 40 kg ntawm qhov ceeb thawj. Txhawm kom tsis txhob them tshaj nyiaj ntxiv, yuav tsum tau siv cov hnab txhuv rau cov khib nyiab ntsuab. Grey hnab yog tsim los ntawm thawj thiab theem nrab polypropylene, thiab yog li ntawd tus nqi me ntsis ntxiv, tab sis lawv muaj peev xwm yoojyim li 65 kg. Lawv feem ntau nqa li pov tseg xws li tawg cib, luas thiab cement ntsiab. Dawb hnab ntawm thawj polypropylene yog suav tias yog kim tshaj plaws, vim lawv npaj rau cov khoom noj. Yog tias koj xav tau ib lub hnab uas muaj zog, xaiv cov khoom polypropylene nrog ib zaj duab xis liner. Yog tias peb tham txog qhov ceev, ces qhov ntsuas no rau ib lub hnab polypropylene txawv ntawm 50 mus rau 115 g ib square meter. Dua li ntawm cov nqi, cov hnab polypropylene them tawm, vim lawv pom tias reusable.
Rau cov khib nyiab me me, koj tuaj yeem yuav yauv tsis tshua pov hwm cov hnab polyethylene. Los ntawm txoj kev, lub thickness ntawm zaj duab xis - ib qho ntawm qhov tseem ceeb nuances ntawm xaiv ib lub hnab ntawm xws li cov ntaub ntawv. Nws yog qhov txawv ntawm 20 mus rau 70 microns.