Ukuhlolwa kokuqina kwamafilimu abamba ukushisa
Ngaphezulu kweminyaka engama-30 edlule, i-Polydress® LP-Keder yagubha ukwethulwa kwayo kwemakethe. Kusukela ngaleso sikhathi, i-RKW Group isidayise ngaphezu kwama-square metres angaphezu kwezigidi ezintathu zefilimu yayo ye-greenhouse entsha kuma-nursery kanye nabathandi bezitshalo emhlabeni jikelele. Namuhla, njengasesikhathini esidlule, amakhasimende ethu akwazisa ukucaca okuphezulu, ukwahlukanisa okushisayo, ukuzinza, kanye nekhwalithi yokuvikela isimo sezulu yefilimu yebhamuza lomoya efakwa kalula. Ucwaningo lwesikhathi eside luye lwabonisa: Ngisho nangemva kokusetshenziswa iminyaka eyishumi, ifilimu ye-greenhouse ekhiqizwa i-RKW inikeza ukuvikelwa okuphelele kwezilimo.
Ukutshalwa kwezimali okwenziwe ku-R&D kuyakhokha: Ngokusekelwe kokuhlangenwe nakho, umkhiqizi ohamba phambili emhlabeni wamafilimu nobuchwepheshe obuhlobene uyakwazi lokhu. Ngo-1984, i-RKW yasungula uhlobo olusha lokwakhiwa kwefilimu yezindawo zokugcina izithombo. Ukuthuthukiswa kwaqedwa ngokubambisana neNyuvesi yaseHohenheim kanye neHhovisi Lobunjiniyela beReisinger e-Illertissen. Ama-dec-ades amathathu kamuva, i-Polydress® LP-Keder, ekhiqizwa ngefilimu yebhamuza lomoya, i-keder, nephrofayili yefreyimu isetshenziswa emhlabeni wonke - kusukela eYurophu kuya eMpumalanga Ephakathi; kusukela eNyakatho naseNingizimu Melika kuya e-Asia nase-Australia.
Naphezu kwezakhi
Kungakhathaliseki ukuthi kusezintabeni ezineqhwa ze-Alps noma esimweni sezulu esishisayo saseMpumalanga Ephakathi - i-Polydress® LP-Keder ekhiqizwe yi-RKW imele izinga eliphezulu kakhulu lokuvikela isimo sezulu kumafilimu abamba ukushisa. Ngesikhathi se-"Lothar," isiphepho sekhulu leminyaka esashaya eningizimu yeJalimane ngezivunguvungu zomoya ezifika ku-200 km/h ngo-1999, kanye nesichotho esibhubhisayo esahlasela isifunda sase-Reutlingen ngo-August 2013, i-Polydress® LP-Keder yakwazi. ukunikeza ukumelana nokuvikela ngempumelelo. Ngenkathi isichotho esilingana nebhola legalofu sadabula izimbobo ezinkulu ophahleni lwengilazi lwezindawo zokugcina izithombo zesifunda futhi ngalokho sadala umonakalo osabalele ezitshalweni, isichotho salimaza ungqimba olungaphandle lwefilimu ye-RKW. Izitshalo zahlala zinjalo: Ukukhiqizwa kanye nenhlalakahle yezezimali yezindawo zokunakekela izingane kwaqinisekiswa.
Ukumelana nesichotho kwahlolwa ngokwesayensi kufilimu ye-Polydress® LP-Keder greenhouse yi-Hail Research Laboratory e-Reutlingen. Ukuhlola okuqinile okwenziwe yi-Hail Research Laboratory kwakusekelwe ezinhlinzekweni ze-Swiss VFK (umshwalense we-Swiss) wokwakhiwa okufana netende futhi kwenziwa kusetshenziswa “isichotho” sepulasitiki esingama-20-mm.
I-Polydress® LP-Keder imelana kalula nesivinini sokwehla esingafika ku-17 metres/s. Lokhu kusho ukuthi, ngokwezindinganiso, ifilimu ye-RKW greenhouse ithathwa njengengazweli isichotho. Isivinini somthelela esingu-30 metres/s nangaphezulu sibangele amazinyo amancane. Nokho, ngemva kwesikhathi esifushane, lezi zaphinde zabuyela esimweni sazo sokuqala. Lapho isichotho sifinyelela isivinini esingamamitha angu-40/s, ungqimba lokuqala lwefilimu lwalumbozwe ngembobo; kusukela ngesivinini somthelela wamamitha angu-47/s ifilimu ingene ngokuphelele. Kuso sonke isikhathi sokuhlolwa, ukumelana nesichotho kwefilimu ye-Polydress® LP-Keder bekungashintshile kubo bonke ububanzi befilimu. Ngenxa yonqenqema lwentambo ye-keder-cord engu-1-mm, ingxenye ezinzile yefilimu kwakuwuxhumo olunamathiselwe. Lokhu bekungqubuzana kakhulu nefilimu ye-PE ehlolwe ngasikhathi sinye kanye nogqinsi ongu-180 µm. Le filimu iyona esengozini enkulu yokulimala kwesichotho ezindaweni ezinamathiselwe nasemaphethelweni angaphandle. Ngesivinini somthelela kusuka ku-29 metres/s, ifilimu ibonise izibonda futhi kusukela ngesivinini esingamamitha angu-40/s ifilimu yabhobozwa. Ngenkathi isebhentshini lokuhlola e-Hail Research Laboratory, i-Polydress® LP-Keder ibonise izinga eliphelele lokumelana nesichotho.
Ukuzinza okuningi
Ochwepheshe bayavuma: Ngenxa yoshintsho oluqhubekayo esimweni sezulu sethu, izimo zezulu ezimbi ziyanda. Lokhu kusho ukuthi, manje kunanini ngaphambili, ama-nursery kumele avikele ngokugcwele imithombo yawo ebaluleke kakhulu - izitshalo ezisencane ku-greenhouse - ngaso sonke isikhathi; hhayi kuphela ezivunguvungwini zesichotho, kodwa futhi kusukela eqhweni nasemimoya enamandla.
Nakuba izinga lokushisa lokushisa i-DIN 11535 lingadingi noma yiziphi izitifiketi ezikhethekile ezihlobene nempahla yokumboza, ukwakhiwa okungafika kumamitha amane ukuphakama kufanele kuklanywe ukumelana nezivunguvungu zomoya eziqondile ezingama-25 kp/m2 kanye nezivunguvungu zomoya ezingaphezu kwamamitha amane ezingafika ku-40. kp/m2. Ngokuphathelene nomthwalo weqhwa, izindlu zokugcina izithombo kufanele zikwazi ukumelana nomthwalo ovundlile ongaphezulu we-25 kg/m2.
Ukuthi i-Polydress® LP-Keder ingasetshenziswa yini kulezi zimo izoboniswa ucwaningo olwenziwe yi-Institute for Agricultural Technology eNyuvesi yaseHohenheim. Ukuze kuhlolwe izinto ezibonakalayo, onjiniyela bokuhlola bakhe umkhombe wokhuni onendawo engamamitha amabili nesithupha nobude obungama-60 cm. Banamathisele ifilimu emkhombeni njengoba bekuzoba yinqubo yezindawo zokugcina izithombo ezijwayelekile. Ngokusebenzisa umshini wokungenisa umoya onamandla, umoya wapheshulwa kamuva usuka ezikhaleni, ngokwenza kanjalo, ifilimu yathwala kanzima ngokufanayo.
Ifilimu entsha yefekthri yahlala iphelele ngesikhathi sokuhlolwa, noma ngabe ingaphansi kwesivinini esiphezulu somshini wokungenisa umoya. Ifilimu ikwazile ukumelana nemithwalo engaphezulu efika ku-236 kg/m2, ephakeme ngokuphindwe kaningana kunokuzinza okudingekayo ekusebenziseni okuthile. Nokho, isabela kanjani ifilimu eye yathonywa iminyaka eminingi yesimo sezulu? Ukuze kuhlolwe lokhu, ososayensi basuse ifilimu ye-Polydress® LP-Keder eneminyaka engaphezu kwengu-25 endaweni ebamba ukushisa e-Illertissen (e-Stauden Nursery Gaißmayer) futhi bayihlola kahle. Imiphumela iyazikhulumela yona: Ifilimu ekhungethwe yisimo sezulu isindile ekulayisheni okuphezulu okuphezulu kanye nomthwalo owengeziwe ogxilile womuntu ngaphandle kokudala noma yimuphi umonakalo.
Izimo zokukhanya eziphelele zokukhula okunempilo
Kokubili ekusetshenzisweni okungokoqobo naselebhu yokuhlola, imiphumela yayifana: Izinto zokumboza ifilimu ezifana ne-Polydress® LP-Keder zinikeza ukuvikeleka okuphelele - ngisho nangaphansi kwezimo zezulu ezimbi kakhulu, ikakhulukazi lapho ukutshalwa kwezitshalo kudinga izinga eliphezulu lokucaca nokukhanya. . Cishe. Amabhamuza omoya angu-1,000 m² ahlinzeka ngokukhanya okufanayo kwayo yonke indawo yokulima. Izinga eliphakeme lokukhanya okusabalalisa liqeda izithunzi kanye nemiphumela yengilazi evuthayo. Ilabhorethri yokubona e-Wangeningen yahlola amasampula efilimu evela ku-RKW ngo-2004 okokuqala ngqa. Ngesikhathi sokuhlolwa, kwanqunywa ukuthi ifilimu ye-Polydress® LP-Keder ilahlekelwe kuphela ingxenye encane ye-transparency yayo, ngisho nangemva kweminyaka engu-17 yokusetshenziswa. Ngo-2014 imiphumela yaba mihle futhi kakhulu: Naphezu kokubekezelela iminyaka engu-25 yelanga, imvula, iqhwa, neqhwa, le filimu ayizange ibonise ukushintsha kombala noma ukuguqubala. Ukungafihli lutho kwahlala kucishe kuphakame ngendlela efanayo. Amanani okubonisa ngale e-UR 2004 kanye no-2014 e-Polydress® LP-Keder (uhaze = ukusatshalaliswa okukhanyayo) anqunywe i-Optical Laboratory e-Wan-geningen.
I-RKW iqinisekisa iminyaka emihlanu yokuzinza kwe-UV ngefilimu yayo yebhamuza lomoya. Ngevelu yokuguqula ukushisa engu-3.3 W/m2K, i-Polydress® LP-Keder iphinde ibe nezindawo zokuvikela ezisezingeni eliphezulu futhi inika amakhasimende izinga eliphezulu lokuphumelela kwamandla. Idizayini eyenziwe ngefilimu yebhamuza lomoya, i-keder, nephrofayili ikwenqabela ukuvuza namabhuloho ashisayo ukuze ifilimu ikwazi ukonga amaphesenti angama-95 emisebe eshisayo ngaphakathi kwezindlu ezibamba ukushisa. Ukuhlolwa okuqhathanisayo okwenziwa e-Institute of Vegetable Gardening e-Großbeeren eyasebenzisa izindlu zokugcina izithombo ezimbili ezakhiwe ngendlela efanayo ngayinye enobukhulu obungamamitha angu-10 x 50 ibonise ukuthi ngaphansi kwengilazi engu-4 mm ugqinsi kanye nefilimu ye-Polydress® LP-Keder imali engenayo efanayo yesitshalo yatholwa kukho kokubili. utamatisi kanye nesaladi. Ngaphandle kokulawula umswakama, ukonga amandla kusetshenziswa ifilimu ye-RKW kwaba kumaphesenti angama-44 esaladi kanye namaphesenti angama-27 ezitshalweni zikatamatisi.
Ukufakwa okulula kungakhathaliseki izimo zezulu
Ngaphandle kwezindleko zamandla, i-Polydress® LP-Keder iphinde isehlise ngokuphawulekayo isikhathi nomzamo okufanele izinkulisa zisebenzise ukufakwa noma ukunakekelwa kwezindlu zazo zokugcina izithombo. Ngokunamathiselwe kwe-keder nesisindo sayo esiphansi, ifilimu ingafakwa ophahleni olugxotshiwe noma izindonga ezisemaceleni.
Uphahla lwesakhiwo akudingeki ukuba lufinyeleleke; lokhu kwandisa ukuphepha futhi kwenza inqubo yokufaka ibe lula. Lokhu kusho ukuthi ifilimu ivele ithathwe emqulwini, ifakwe kuphrofayili yefreyimu, idonswe endaweni oyifunayo ukuya phezulu, bese inqanyulwa kusetshenziswa ummese noma isikelo. Ubude befilimu obudala noma obunesici bungashintshwa kalula phakathi kwanoma yiziphi izimo zesimo sezulu. Lokhu kugcina izindleko ziphansi futhi kwenza umnikelo oqondile ekusimameni. Ifilimu ye-polyethylene greenhouse ye-RKW ingaphinda igaywe kabusha noma iqhutshwe ngokushisa ngokuqhubekayo.
Ulwazi olwengeziwe mayelana namafilimu e-Polydress® LP-Keder greenhouse kanye nohlu lwawo lwezinhlelo zokusebenza lungatholakala ku-www.rkw-group.com.