Gwajin dorewa don fina -finan greenhouse
Sama da shekaru 30 da suka gabata, Polydress® LP-Keder yayi bikin gabatar da kasuwarsa. Tun daga wannan lokacin, RKW Group ta sayar da fiye da murabba'in mita miliyan uku na sabon fim ɗin greenhouse ga gandun daji da masu son shuka a duk faɗin duniya. A yau, kamar yadda yake a baya, abokan cinikinmu suna ƙimanta babban gaskiya, rufin ɗumama, kwanciyar hankali, da ingancin yanayin yanayi na fim ɗin kumfa mai sauƙin shigarwa. Nazarin dogon lokaci ya nuna: Ko da bayan amfani da shekaru goma, fim ɗin greenhouse wanda RKW ya ƙera yana ba da ingantaccen amfanin gona.
Jarin da aka sanya a cikin R&D ya biya: Dangane da gogewa, masana'antar fina-finai da fasahar da ke da alaƙa a duniya ta san wannan. A cikin 1984, RKW ya haɓaka sabon nau'in ginin fim don greenhouses. An kammala ci gaban tare da haɗin gwiwar Jami'ar Hohenheim da Ofishin Injiniya na Reisinger a Illertissen. Bayan shekaru uku, Polydress® LP-Keder, wanda aka ƙera daga fim ɗin kumfa na iska, keder, da bayanin martaba ana amfani dashi a duk faɗin duniya-daga Turai zuwa Gabas ta Tsakiya; daga Arewa da Kudancin Amurka zuwa Asiya da Australia.
Duk da abubuwan
Ko a cikin dusar ƙanƙara na Alps ko a cikin yanayin zafi na Gabas ta Tsakiya-Polydress® LP-Keder wanda RKW ya ƙera yana tsaye don mafi girman matakin kariya na yanayi don fina-finan greenhouse. A lokacin “Lothar,” guguwar ƙarni da ta bugi Kudancin Jamus da iskar da ta kai kilomita 200/h a cikin 1999, haka kuma a cikin muguwar ƙanƙara da ta afkawa yankin Reutlingen a watan Agustan 2013, Polydress® LP-Keder ya iya don ba da nasara juriya da kariya. Yayin da ƙanƙara mai ƙwallon ƙwallon ƙwal ya ragargaza manyan ramuka a cikin rufin gilashin gidajen koren yankin kuma ta hakan ya haifar da lalacewar amfanin gona, ƙanƙara kawai ta lalata saman fim ɗin RKW. Tsire-tsire sun kasance ba su da tabbas: An gabatar da roƙon sabili da haka jin daɗin kuɗi na gandun daji.
An gwada juriya ga ƙanƙara a kimiyance akan fim ɗin polydress® LP-Keder da ɗakin binciken Hail a Reutlingen. Gwaje-gwajen gwaje-gwajen da dakin gwaje-gwajen Hail Research suka yi sun dogara ne akan tanadin Swiss VFK (inshorar Switzerland) don gine-gine kamar tantin kuma an gudanar da su ta amfani da filastik mai girman 20 mm.
Polydress® LP-Keder cikin sauƙin tsayayya da saurin saukarwa har zuwa me-ters 17/s. Wannan yana nufin, gwargwadon ƙa'idojin, cewa fim ɗin RKW greenhouse ana ɗaukarsa mai jure ƙanƙara. Saurin tasiri na mita 30/s kuma mafi girma ya haifar da ƙananan hakora. Koyaya, bayan ɗan gajeren lokaci, waɗannan sun dawo cikin yanayin su na asali. Da zarar ƙanƙara ta kai saurin me-ters/s 40, farkon fim ɗin ya zama rami; daga saurin tasiri na mita 47/s fim ɗin ya shiga gaba ɗaya. A duk lokacin gwaje-gwajen, haɓakar ƙanƙara na fim ɗin Polydress® LP-Keder ya kasance mai ɗorewa a duk faɗin fim ɗin. Saboda kaurin igiyar keder-1 mai kauri, mafi kyawun yanayin fim ɗin shine haɗin haɗe. Wannan ya kasance cikin saɓani sosai ga gwaji ɗaya-lokaci da kauri 180 thickm, daidaitaccen fim ɗin PE. Wannan fim ɗin ya kasance mafi saukin kamuwa da lalacewar ƙanƙara a wuraren da aka makala da kuma a gefuna na waje. A cikin saurin tasiri daga mita 29/s, fim ɗin ya nuna hakora kuma daga saurin mita 40/s fim ɗin ya ruɓe. Yayin da yake kan benci na gwaji a Laboratory Research Hail, Polydress® LP-Keder ya nuna cikakken matakin juriya akan ƙanƙara.
Da yawa kwanciyar hankali
Masana sun yarda: Saboda ci gaban da ake samu a yanayin mu, yanayin matsanancin yanayi yana ƙaruwa. Wannan yana nufin cewa, yanzu fiye da kowane lokaci, gandun daji dole ne su kare mafi kyawun mahimman hanyoyin sake su-amfanin gona na matasa a cikin greenhouse-koyaushe; ba kawai daga guguwa ba, har ma daga dusar ƙanƙara da iska mai ƙarfi.
Kodayake daidaitaccen gidan kore DIN 11535 baya buƙatar kowane takaddun shaida na musamman dangane da kayan rufewa, dole ne a ƙera gine-ginen har zuwa tsayin mita huɗu don tsayayya da iskar iska a tsaye na 25 kp/m2 da iskar iska sama da mita huɗu har zuwa 40 kp/m2. Dangane da nauyin dusar ƙanƙara, gidajen kore dole ne su iya yin tsayayya da nauyin saman da ke kwance na 25 kg/m2.
Ko za a iya amfani da Polydress® LP-Keder a cikin waɗannan lamuran za a nuna su ta hanyar binciken da Cibiyar Fasaha ta Noma ke yi a Jami'ar Hohenheim. Don gwajin kayan, injiniyoyin gwajin sun gina katako na katako tare da farfajiyar mita biyu zuwa shida da tsayin 60 cm. Sun haɗa fim ɗin zuwa matattarar ruwa kamar yadda zai zama tsari don daidaitattun gidajen kore. Ta amfani da iska mai ƙarfi, daga baya aka busa iskar daga ramukan kuma, a yin haka, fim ɗin ya zama nauyi.
Sabon fim ɗin masana'antar ya kasance cikakke a yayin gwajin, koda lokacin da aka sanya shi cikin mafi girman saurin iska. Fim ɗin ya sami damar tsayar da abubuwan da ke saman ƙasa har zuwa 236 kg/m2, wanda ya ninka sau da yawa fiye da kwanciyar hankali da ake buƙata a cikin amfani. Duk da haka, ta yaya fim ɗin da aka shafe shekaru da dama yana tasiri a yanayi? Don gwada wannan, masana kimiyya sun cire fim ɗin Polydress® LP-Keder mai shekaru 25 sama da sama daga gidan kore a Illertissen (a Stauden Nursery Gaißmayer) kuma sun gwada shi sosai. Sakamakon ya yi magana da kan su: Fim ɗin da ke cike da yanayi ya tsira da mafi girman nauyin saman ƙasa da ƙarin nauyin haɗin gwiwar mutum ba tare da ci gaba da lalata komai ba.
Cikakkun yanayin haske don ci gaban lafiya
Dukansu a aikace na aiki da kuma a cikin dakin gwajin, sakamakon ya kasance iri ɗaya: Abubuwan rufe fim kamar Polydress® LP-Keder suna ba da kariya mafi kyau-koda a ƙarƙashin matsanancin yanayin yanayi, musamman lokacin da noman amfanin gona ke buƙatar babban matakin nuna gaskiya da haske. . Kusan. Kwayoyin iska 1,000 a kowace m² suna ba da haske iri ɗaya na duk sararin noman. Babban matakin watsa haske yana kawar da inuwa da tasirin gilashi mai ƙonewa. Dakin gwaji a Wangeningen ya gwada samfuran fim daga RKW a 2004 a karon farko. A lokacin gwaje-gwajen, an ƙaddara cewa fim ɗin Polydress® LP-Keder ya ɓace kaɗan daga cikin abubuwan da ke da alaƙa, koda bayan shekaru 17 na amfani. A cikin 2014 sakamakon ya sake kasancewa mai kyau: Duk da jimrewar shekaru 25 na rana, ruwan sama, dusar ƙanƙara, da kankara, fim ɗin bai nuna canje -canje ko girgije ba. The gaskiya ya kasance kusan uniformly high. Ƙimar bayyana gaskiya ta UR 2004 da 2014 na Polydress® LP-Keder (haze = rarraba haske) wanda Ƙwararren Labarai a Wan-geningen ya ƙaddara.
RKW yana ba da tabbacin kwanciyar hankali na UV na shekaru biyar don fim ɗin kumfa na iska. Tare da darajar canjin zafi na 3.3 W/m2K, Polydress® LP-Keder shima yana da ingantattun kaddarorin rufi kuma yana ba abokan ciniki babban matakin kuzari. Zane -zanen da aka yi da fim ɗin kumfa na iska, keder, da bayanin martaba ya hana kwarara da gadoji masu zafi don fim ɗin ya iya adana kusan kashi 95 na raƙuman zafi a cikin gidajen kore. Gwajin kwatankwacin da aka yi a Cibiyar Noman Kayan lambu a Großbeeren wanda ya yi amfani da gidajen kore guda biyu waɗanda kowannensu ya kai mita 10 x 50 ya nuna cewa a ƙarƙashin gilashin mai kauri 4 mm da fim ɗin Polydress® LP-Keder an sami irin kuɗin shiga na shuka duka. tumatir da salatin. Ba tare da kulawar zafi ba, tanadin makamashi ta amfani da fim ɗin RKW ya kai kashi 44 cikin ɗari don salati da kashi 27 na tsirran tumatir.
Shigarwa mai sauƙi ko da kuwa yanayin yanayin
Baya ga farashin kuzari, Polydress® LP-Keder shima yana rage lokacin da ƙoƙarin da gandun daji yakamata suyi don girkawa ko kula da gidajen su. Ta hanyar abin da aka makala na keder da ƙarancin nauyi, ana iya shigar da fim ɗin daga rufin da aka kafa ko bangon gefe.
Ba dole ne a shiga rufin tsarin ba; wannan yana ƙara aminci kuma yana sauƙaƙe tsarin shigarwa. Wannan yana nufin cewa an ɗauko fim ɗin kawai daga takarda, an ciyar da shi a cikin bayanin martaba, an ja shi zuwa ƙarshen ƙarshen da ake so zuwa saman, sannan a yanke ta amfani da wuka ko almakashi. Tsawon fim ko nakasa na fim ana iya sauƙaƙe shi yayin kowane nau'in yanayin yanayi. Wannan yana rage farashin ƙima kuma yana ba da gudummawar kai tsaye don dorewa. Za a iya sake yin fim ɗin polyethylene greenhouse na RKW gaba ɗaya ko kuma a sarrafa shi da zafin jiki.
Ƙarin bayani game da fina-finan gidan kore na Polydress® LP-Keder da kewayon aikace-aikacen su ana iya samun su a www.rkw-group.com.