Farawa Don shigar da bene mai dumi, tambayar ta taso wane abu ne mafi kyau: stitted polyethylene ko filastik.
Amsar tana cikin yanayin aiki mai dumi, da kuma ra'ayoyin kwararru, gogewa da sake dubawa ga tsarin dumama da ke tattare da tsarin dumama zai taimaka wajen magance wannan batun.
Dangane da kusan dukkanin bututun na zamani, polyethylene polyethylene ya ta'allaka ne, bututun ƙarfe da ke tattare da yadudduka waɗanda ke tabbatar da monherith na samfurin.
Stitched polyethylene: Properties
Saboda ƙarin ɗumbin ƙwayoyin kwayar cutar polyethylene suna da ƙarfi
Stitetched polyethylene yana nufin babban fasaha kuma shine samar da polymerization na ethylene da ɗan kwayoyin halitta da rxbreviation rex.
Yanada, tsarin stitching shine don ƙirƙirar ƙarin dangantakar kwayoyin halitta. Polymer farawa yana da alaƙa da rikicewa a matakin kwayoyin tare da sarƙoƙi na gefen kyauta, tsari mai ƙarfi na grid, ingantaccen tsari tare da "ƙwaƙwalwar ajiya mai ƙarfi tare da" ƙwaƙwalwar ajiya mai ƙarfi tare da "ƙwaƙwalwar ajiya mai ƙarfi.
Abubuwan da aka fi so sosai
Canje-canje a cikin girman da kuma siffar bututun a karkashin tasirin kaya bayan cirewarsu tana dawo da samfurin a cikin asali. A cewar kaddarorin fasaha, rex ba ya ƙaruwa ga daskararru da yawa kuma ya wuce karkashin rayuwar sabis.
Kwayoyin polyethedlete polyethylene suna haifar da hanyoyi 4:
- An gabatar da peroxide a cikin polyethylene a cikin kera. Mafi girman digiri na cosslinking shine 75%. A hanyar ƙarancin yawan aiki da babban farashin samfurin, amma kayan ya zama mai dorewa da na roba.
- Sake sake - aiki na danshi tare da Silane da mai kara kuzari yana haifar da polyethylene, wanda harsashi na samfurin ba shi da ƙarfi, amma lokacin da ruwa ke wucewa, yana iya jure matsanancin matsin lamba. Stitching shine kashi 65%.
- RECH - C - polymer bi da wutan lantarki. Polyethylene tare da ƙarancin digiri na Crossinking 55 - 60%.
- RH - XD - Nitric acid ana amfani da shi. Ba a amfani da hanyar da wuya.
Daga cikin hanyoyin da aka lissafa, bututun da aka yi da amfani da Silane ya fi dacewa, ana nuna shi ta hanyar ingantaccen farashi da kayan aikin da aka yarda da su.
Mataki na a kan batun: Shiri na filastar da lemun tsami
Mafi bambancin bututun don dumi dumi mai da aka haɗa shi ne kayan kariya na Layer, wanda shine sharuɗɗan da yaduwar oxlyethylene.
Abvantbuwan amfãni na satar kayayyakin polyethylene
Bututun daga irin wannan kayan yana da ƙwaƙwalwar kwayoyin halitta
Abubuwan da ke cikin dumama da aka samar ta hanyar sake sake - XB halayyar XB ne:
- Juriya kan matsa lamba. A cikin yanayin matsin lamba, rayuwar samfuran ba ta canzawa. Polymer yana da matsi har zuwa 10 a jere.
- Ƙwaƙwalwar kwayoyin. Lokacin da ruwa daskarewa a cikin bututu, sakamakon kankara yana ƙaruwa da diamita na bututu, kuma bayan narke ice, girman bututun ya koma asali sigar, ba tare da lalata kayan.
- Narkewa da kona a yanayin zafi sosai. Kayan yana zuwa narke a zazzabi na sama da 150 ° C, da ɓacin rai lokacin da yanayin yanayin yanayi ya kai 400 ° C.
- Juriya na sinadarai da nazarin halittu. A cikin bututun polyethylene ba ya ƙarƙashin tsarin lalata, baya haifar da yanayi don bayyanar fungi da kuma kayan yana da tsayayya ga chlorine kuma ya kasance tsaka tsaki ga chlorince.
- Amincin muhalli. Kayan aiki yayin dumama ba cutarwa ce mai rauni ba kuma ya bazata a kan carbon dioxide da ruwa lokacin da yake ƙonewa.
Polyethylene baya tsoron bambance-bambance na zazzabi
- Filastik. Tare da maimaita lanƙwasa, samfurin ba ya fashe da kuma dawo da girman lanƙwasa.
- Aiki. Al'adar Polymer yana riƙe da kadarorin, ba canzawa da bututun bututu tare da canjin zafin jiki na sanyaya daga 0 zuwa 95 ° C, amma kayan zai iya yin tsayayya da tsarin zafin jiki na zazzabi.
Karfe filastik na karfe: Properties
Amfanin polyethylene shima yana da bututun ƙarfe-filastik wanda ya ƙunshi yadudduka biyar, kowane ɗayan yana aiwatar da takamaiman ayyuka. Harshen waje da ciki yadudduka na polymeric, kuma na waje polyethylene harsashi yana yin kariya daga lalacewa ta hanyar lalacewa, da kuma santsi mai santsi yana ba da gudummawa ga saurin kwararar ruwa.
Layer mai santsi ba ya haifar da cikas ga ruwa na yanzu
Akwai yadudduka 2 na polymer 2 tsakanin yadudduka na polymer, da kuma a tsakiyar - babban magana ne na aluminum wanda ke ba da ƙiyayya ta ƙirar ƙarfe.
Amincewa da Dorewa a cikin Ayyukan samfuran ƙarfe na ƙirar ƙirar ƙarfe na ƙimar ƙwararrun yadudduka:
- Layer na aluminum na samfurin yana tantance ƙarfinta kuma ya kamata ya zama kauri daga aƙalla 3 mm. Hanyoyi 2 na walwalwar walƙiya na yanki na aluminum wanda ya shafi ƙarfin bututu, layin laser a cikin haɗin gwiwa da ultrasonic walda na tagulla ana amfani da shi. Hanyar welding wani yanki na Jack ana kiranta sumulles, ba shi da rashin ƙarfi kuma idan aka kwatanta da walƙiyar gashin kai a wuraren da ya dace da kayan haɗi.
- A m da ake amfani da shi da zai yiwu a iya yiwuwar ɗaarshin yadudduka a zazzabi mai canzawa na sanyaya mai sanyaya wuri, wanda shima yana shafar ƙarfin bututu. A bututun yankan lokacin da amfani da manne mai inganci, dam ɗin ya ɓace.
- Amincewa na bututun ana ƙaddara shi ta yadudduka na polymer, polymer tare da alamar pel da Pe-rt na tabbatar da ƙarfin ƙwayar bututu, a cikin wannan haɗin, tare da m mutum.
Lokacin zabar bututun filastik, muna la'akari da cewa waɗannan samfuran suna da hanyar ba da hanya ta hanyar walda a kan samfurin aluminum, samar da aikin-free aiki na samfurin.
Zabi bututun mai ga bene na ruwa
Yi ƙoƙarin zaɓar kayan inganci
Ya ba da shawarwari mai yawa kuma game da samfurin, kuma game da masana'anta, a wannan yanayin aikin shine, zaɓi na dabara shine mafi kyawun farashi / inganci, amma wajibi ne don farawa da inganci:
- PIPI mawadafawa da ƙarfin injiniya lokacin da aka yi amfani da su a takamaiman yanayi, wanda zai tabbatar da aiki-kyauta na tsarin a lokacin aiki, i.e. Bututun dole ne ya tsayar da matsin lamba na mashaya 10.
- Rayuwar sabis ko tsauraran amfani da tsarin dumi ya dogara da kayan daga abin da aka yi samfurin. Ba a yarda da nakasar bututun a zazzabi na coolant 95 ° C.
- Don motsi kyauta ta cikin bututun mai, sararin samaniya na bututun ya kamata ya zama santsi.
- Yanayin kulawa, farashi na aikin rigakafi da kuma sarrafa gwajin tsarin don ƙarfafawa shine mafi kyau duka. Kara karantawa game da waɗanne bututun da za a zaɓa, duba cikin wannan bidiyon:
Halayen kwatankwacin tsarin dumama da kasuwar da kasuwa ke bayarwa, rikice-rikice na shigarwa da yanayin aiki ana la'akari bayan kimanta halaye masu cancanta. A ƙarshe amma, muna kwatanta farashin samfuran, yin la'akari da aikin shigarwa, da kuma wahalar shigarwa tare da na'ura mai ɗorewa mai ɗorewa.
Halayen kwatankwacin bututu tare da diamita na 20 mm
| Mai nuna alama | Raka'a. canza | M Waia Trump | Tsayayyen bututun polypolylene |
|---|---|---|---|
| Aikin zazzabi | Daga | 95. | 95. |
| Mafi kyawun yanayin fadada | mm / m ° C | 0,026. | 0.024. |
| Matsalar aiki | MPA | 1,013 | 1.0 |
| M manne | N / gani | 70. | |
| Ƙarfin mahaɗin aluminum | N / mm2. | 57. | |
| Rashin daidaituwa mai ƙarfi | 0.07 | 0.005 | |
| Ingantacciyar hanyar aiki da wutar lantarki | Mw / cm ° k | 0.45 | 0.41 |
| Bala'i na rushewa | N. | 3050. | |
| Shimfiɗa ƙarfi | MPA | 20.6 |
Filastik karfe ba shi da filastik idan aka kwatanta da polyethylene
Duk guda, abin da bututu ya fi kyau ga bene mai dumi: polyethylene ko narkewa. Bambanci samfuran samfuran a cikin yadudduka na masu ba da izini na bututun filastik na karfe da kundin ƙarfe.
Inganta polymer, masana kimiyya da kwararru a fagen sunadarai sun yi nasarar gyara pe - RT, wanda kwayar halittar kwayoyin halitta tare da branched. Polymer baya asarar kaddarorin a sake amfani, sabanin magabtarwa. Shawarwarin kwararru a zaɓar bututun da ke gani a cikin wannan bidiyon:
Bututu daga pe - rt polyethylene tare da karfi shugaban mai sanyaya wuri daya ware hayaniyar ruwa gudana. Polymer yana da mahimmanci mafi tsayayya da polyethylene juriya ga babban matsa lamba da zazzabi na sanyaya, da kuma tsawon lokacin bututun.
Godiya ga tsarin kwayoyin tare da bangarorin branched, kayan pe da pe ana iya sayar da thermoplallallallallallallaTasticiti, ba tare da welded ba tare da rushe wuraren da suka lalace ba.
Abubuwan da ke hana yawancin sanyi da narkewa da ke narkewa ba tare da canza tsarin da kaddarorin ba. Pe-rt kayan da aka samar da samfuran polymical da filastik-filastik.
Jin daɗin zafi pe - rt polymer a cikin kadarorinsa cike da cikakkun bukatun mai dumi kuma ana iya ɗaukar mafi kyawun zaɓi lokacin da aka zaɓi bututu.
Mataki na a kan batun: Na'urar ta tashi a baranda