Cov ntaub ntawv npog rau tsev cog khoom: yuav xaiv li cas?

Cov txheej txheem:

Cov ntaub ntawv npog rau tsev cog khoom: yuav xaiv li cas?
Cov ntaub ntawv npog rau tsev cog khoom: yuav xaiv li cas?
Anonim

Hnub no, ntau yam ntaub ntawv npog rau cov tsev cog khoom tau nthuav tawm hauv khw. Ntawm cov feem ntau yog polyethylene, iav thiab cellular polycarbonate.

YPlastic film

npog cov ntaub ntawv rau greenhouses
npog cov ntaub ntawv rau greenhouses

Hnub no koj tuaj yeem nrhiav cov yeeb yaj kiab ntxiv ntawm kev muag khoom, uas yog tus cwj pwm los ntawm kev tiv thaiv lub hnub siab dua, nrog rau cov yam ntxwv txuag hluav taws xob zoo heev. Qhov no yog qhov tseeb thaum piv rau cov pa ua yeeb yaj kiab, uas tsis tshua muaj tuab. Cov khoom no muaj peev xwm mus txog rau yim xyoo nrog ceev faj tus cwj pwm rau nws. Nws tsuas yog ib qho tseem ceeb uas yuav tsum ua raws li cov cai ntawm kev khiav hauj lwm, uas muaj nyob rau hauv kev tiv thaiv cov khoom los ntawm kev sib cuag nrog tus ncej nyob rau hauv qhov khoov cheeb tsam. Ntawm lwm yam, zaj duab xis no yuav tsum tsis txhob raug rau cov ces kaum ntse. Thaum lub sij hawm installation, nws tsis pom zoo kom rub nws nyuaj heev.

Kev xaiv cov ntaub ntawv npog rau cov tsev cog khoom, cov neeg nyob hauv lub caij ntuj sov niaj hnub tsis tso tseg yav dhau los cov analogue ntawm cov yeeb yaj kiab ntxiv. Nws ua haujlwm tsuas yog 1 lub caij, tab sis nws pheej yig heev, tiv thaiv nws cov haujlwm zoo kawg nkaus. Lub peev xwm ntawm ob-txheej zaj duab xis xa tawm mus txog 80 feem pua. Tsis txhob siv zog rauib puas feem pua kev nkag mus, txij li qhov no cov nroj tsuag yuav ncab ntau dhau, thiab tom qab ntawd cov txiv hmab txiv ntoo yuav tsis haum lub qhov muag. Yim caum feem pua yog qhov txaus txaus rau cov saum ua qhov lawv yuav tsum ua. Qhov ceev ntawm daim ntaub tuaj yeem sib txawv ntawm 100 mus rau 200 grams ib square meter. Nws tuaj yeem siv rau qhov kub ntawm +80 txog -60 degrees. Lub elongation ntawm so yog 250-500 feem pua. Txawm hais tias qhov tuab, lub neej ntawm cov yeeb yaj kiab zoo li no tsis pub dhau 1 lub caij. Qhov ntsuas no tuaj yeem sib txawv ntawm 0.03 thiab 0.4 hli. Rolls thiab lub tes tsho muaj nyob rau hauv ntau thicknesses, thaum qhov tsawg kawg nkaus ntev yog 50 meters.

Cellular polycarbonate

npog cov ntaub ntawv rau greenhouses
npog cov ntaub ntawv rau greenhouses

Thaum xaiv cov ntaub ntawv npog rau tsev cog khoom, cov neeg siv khoom feem ntau yuav cov cellular polycarbonate. Qhov no yog vim lub siab durability. Nws yuav txaus los tsim lub tsev cog khoom ib zaug xwb, koj yuav tsis tau xav txog kev kho dua ntxiv. Cellular polycarbonate muaj qhov ua tau zoo tshaj plaws thaum tshav kub kub zoo piv rau iav, qhov no siv tau txawm tias lub thickness ntawm 8 millimeters. Nyob rau tib lub sijhawm, nws yuav zoo dua 2 zaug kom khaws cov cua sov hauv tsev cog khoom. Raws li rau lub thickness ntawm 16 millimeters, nws muaj peev xwm muab piv nrog peb txheej ntawm glazing. Ua tsaug rau cov qauv ntawm tes, uas muaj stiffeners, lub tsev cog khoom tsis yog tsuas yog ruaj, tab sis kuj insulated. Cov neeg tsim khoom thov tias cov khoom siv no tuaj yeem khaws cov hluav taws xob hnyav ultraviolet, uas cuam tshuam rau cov nroj tsuag.

yam ntxwvcellular polycarbonate

npog cov ntaub ntawv rau greenhouses
npog cov ntaub ntawv rau greenhouses

Thaum xaiv cov ntaub ntawv npog rau tsev cog khoom, koj yuav nyiam cellular polycarbonate. Yog hais tias peb tham txog ib tug qauv pob tshab ntawv, ces nws muaj ib tug tuab ntawm 4 millimeters. Raws li kev xaiv pheej yig, daim duab no txawv ntawm 3 mus rau 3.5 millimeters. Yog hais tias koj xav nyob rau hauv lub luj ntawm ib tug canvas, qhov ntev ntawm uas yog 6 meters, ces daim duab no yog sib npaug rau 10 kg. Qhov saum npoo ntawm cov khoom yog npog nrog cov yeeb yaj kiab zoo.

Txoj kev siv cellular polycarbonate

npog cov ntaub ntawv rau polycarbonate tsev cog khoom
npog cov ntaub ntawv rau polycarbonate tsev cog khoom

Tsev ntsuab npog cov khoom siv hauv tandem nrog aluminium fastening systems, nrog rau cov profiles thiab lwm yam qauv. Nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau cov coefficient ntawm thermal expansion, uas yog sib npaug rau 0.068 millimeters ib 1 meter, ua ntej pib installation. Daim duab no yuav zoo li tsis tseem ceeb, txawm li cas los xij, nrog qhov kub thiab txias los ntawm -20 txog +30, polycarbonate yuav hloov loj los ntawm 34 millimeters. Yog tias koj siv tus kheej tapping ntsia hlau uas tsis muaj thermal expansion, nws yuav tawg daim ntawv, tsim ib lub qhov oval. Tias yog vim li cas nws thiaj li pom zoo kom siv cov tshuaj ntxhua khaub ncaws uas nws txoj kab uas hla tshaj 30 millimeters. Nrog kev pab los ntawm xws li fasteners, koj tuaj yeem kaw lub qhov. Xaiv cov ntaub ntawv npog rau cov tsev cog khoom, koj tsis tuaj yeem txhawj xeeb txog cov teebmeem ntawm lawg. Qhov saum npoo yuav tiv tau zoo nrog kev puas tsuaj. Yog li ntawd, cov chaw tsim khoom muab kev lees paub ntawm kev siv polycarbonate rau 10 xyoo. Nws tuaj yeem khoov tau, uas txawv cov khoom siv los ntawm iav, uas yog vim li cas cov qauv sib txawv tau tsim los ntawm nws.

Greenhouse Nonwovens

non-woven npog cov ntaub ntawv rau greenhouses
non-woven npog cov ntaub ntawv rau greenhouses

Cov ntaub ntawv tsis-woven rau cov tsev cog khoom tau dhau los ua ntau yam niaj hnub no. Cov ntaub ntawv niaj hnub ntawm hom no ua haujlwm zoo heev ntawm kev khaws cov cua sov hauv tsev cog khoom, thiab muab nws tam sim ntawd thaum hmo ntuj. Txawm li cas los xij, xws li kev tiv thaiv ntawm lub tsev xog paj yuav tsis tuaj yeem tiv nrog Frost, thiab thaum lub sijhawm ua haujlwm nws yuav tawg. Cov khoom siv kim heev. Nws yog ib qho teeb meem rau kev khiav lag luam, txij li thaum lub sij hawm los nag nws yuav tsum tau npog qhov chaw ntawm lub tsev xog paj nrog yas qhwv, thiab ces tshem tawm nws. Npog cov ntaub ntawv rau polycarbonate tsev cog khoom kav ntev dua, txawm li cas los xij, yog tias koj txiav txim siab siv cov khoom tsis-woven, nws yuav muaj peev xwm tiv thaiv cov nroj tsuag los ntawm Frost mus rau -7 degrees. Nws tseem yuav cawm koj ntawm lawg, tshav ntuj, cua daj cua dub, thiab nag.

Siv iav

Yog tias koj xaiv cov ntaub ntawv npog rau lub tsev cog khoom, koj tuaj yeem yuav iav. Cov qauv tsim nrog nws siv yuav ua tau ntev, muaj zog, thiab ib puag ncig tus phooj ywg. Lub tsev xog paj yuav muaj peev xwm cawm tau qoob loo los ntawm qhov mob hnyav heev. Yog tias koj yuav iav, kev tsim kho tuaj yeem kim heev, thaum yog tias koj muaj sijhawm los siv cov khoom qiv los ntawm cov ntoo qub, ces lub tsev cog khoom yuav dhau los ua tus pheej yig tshaj ntawm cov so.

Zaj lus

Thaum xaiv cov ntaub ntawv npog rau lub tsev cog khoom, koj yuav tsum ntsuas txhua qhov zoo thiabqhov tsis zoo ntawm txhua qhov kev xaiv uas muaj nyob hauv khw. Yog tias pob nyiaj tseem ceeb tshaj plaws rau koj, ces koj yuav tsum nrhiav qhov rais thav ntawv uas koj tuaj yeem rho tawm cov iav. Hauv qhov no, txawm li cas los xij, koj tsis tas yuav xaiv qhov ntev ntawm lub tsev cog khoom, raws li lawv yuav raug txiav txim los ntawm qhov ntev ntawm lub iav muaj.

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