A gefe guda, zai zama ƙarin aiki, kuma koyaushe yana bin cikakkiyar aikin samfur da haɓaka rayuwar sabis;A gefe guda, yayin inganta ingancin samfuran, za mu bi don rage farashin albarkatun ƙasa da tsadar aiki, ta yadda za a sami fa'ida mafi girma.
Matsakaici da manyan busa gyare-gyaren samfuran
Ya kamata a yi la'akari da ka'idoji guda uku na asali a cikin ƙirar ƙirar samfuran busa:
1) Yi ƙoƙarin saduwa da ayyuka daban-daban da amfani da samfuran gyare-gyaren busa;
2) Tsarin albarkatun albarkatun filastik yana da kyakkyawan aiki na aiki;
3) Rage farashin samarwa ta hanyar ƙirar ƙira da haɓakawa.
A lokaci guda, saboda fadada extrusion busa gyare-gyaren kayayyakin da aikin injiniya goyon bayan kewayon, yi na busa gyare-gyaren kayayyakin sa a gaba mafi girma fasaha bukatun.Kamar mota, mota, masana'antar dogo mai sauri, jirgin sama, sararin samaniya, kewayawa, injina, lantarki, sinadarai, dabaru, marufi, fakitin abinci da abin sha, gidan yau da kullun, aikin noma, aikace-aikacen injiniya, jiki mai iyo da sauran masana'antu masu tallafawa. busa gyare-gyaren samfurori da sauransu, Ƙarfi mai ƙarfi, ƙwanƙwasa, babban madaidaici, tsawon rai da kuma tsayayyar zafin jiki mai kyau ana buƙatar samfurori na busa filastik.Don haka, gyare-gyaren waɗannan samfuran gyare-gyaren busa yana da mahimmanci.
Hanyoyin gyare-gyaren filastik sun haɗa da gyaran jiki da gyaran sinadarai.Gyaran sinadarai yana nufin hanyoyin gyare-gyare waɗanda ke canza nau'o'i da haɗe-haɗe na atom ko ƙungiyoyi akan sarkar kwayoyin halitta ta polymers ta hanyoyin sinadarai.Filastik na iya samar da sabbin takamaiman kayan polymer ta hanyar toshe copolymerization, copolymerization graft, haɗin kai, ko ta gabatar da sabbin ƙungiyoyin aiki.Gyaran sinadarai na iya sa samfurin ya sami sabbin ayyuka ko ingantattun kaddarorin jiki da sinadarai.
A cikin ainihin aiki na gyare-gyaren dabara na samfuran gyare-gyaren extrusion, fasahar gyaran jiki ta fi amfani da fasahar gyara sinadarai.Ana amfani da fasahar gyare-gyare ta jiki na samfuran gyare-gyaren extrusion busa ta hanyoyi masu zuwa: ① gyare-gyaren cikawa;② Gyaran haɗakarwa;③ Ingantaccen gyare-gyare;(4) gyare-gyare mai ƙarfi;(5) gyara nano-composite;⑥ Gyaran aiki da sauransu.
1. Fasahar ƙira na samfuran gyare-gyaren da aka saba amfani da su
1) dabarar guga filastik 25L, duba Table 1.
25L roba guga dabara
Ana iya gani daga dabarar da ke cikin Tebu 1 cewa ana amfani da nau'ikan nau'ikan HDPE guda biyu a cikin dabarar, kuma ana iya ba da garantin ƙarfi, tauri da taurin samfuran busa don biyan buƙatun buƙatun 25L jerin buckets filastik.
Manyan sinadaran guda biyu a cikin dabara an saita su a cikin rabin.A cikin aikace-aikacen aikace-aikacen, ana iya daidaita rabon manyan abubuwan sinadarai a cikin dabara bisa ga buƙatun aiki daban-daban.A lokaci guda kuma, za a iya zaɓar zaɓin alamar manyan kayan abinci bisa ga ƙayyadadden halin da ake ciki na samar da kasuwa.
2) Ƙirar ƙira ta fakitin fakitin filastik don sinadarai masu haɗari:
Irin su: gwajin gwaji na ganga marufi 25L, yawan drum ɗin shine 1800g.An yi amfani da shi don ƙunsar nitric acid na 68.2% maida hankali.Juriya na tsarkakakken akwati na HDPE zuwa ma'auni na nitric acid bai isa ba, amma juriyar HDPE zuwa nitric acid za a iya inganta sosai ta ƙara mai gyara polymer mai dacewa.Wato, ana amfani da EVA da LC don gyaggyarawa HDPE don samar da kwandon marufi na nitric acid.Ana nuna dabarar gwajin a Tebura 2.
Formula na kwandon kwandon filastik don sinadarai masu haɗari
A cikin Tebur 2, HDPE shine HHM5205, kuma ƙimar narkewar MFI=0.35g/10min.EVA 560, narke kwararar ruwa MFI = 3.5g / 10min, yawa = 0.93, VA abun ciki 14%;Lowarancin kwayoyin LC, wanda aka yi a China, darajar masana'antu.Ana nuna sakamakon gwajin ganguna da aka shirya da dabaru guda uku na sama a cikin Tebura 3. Abubuwan da ke sama guda uku duk sun cancanci ta hanyar duba marufi na yau da kullun.Duk da haka, don dauke da nitric acid mai mahimmanci, dabarar wata 1 bayan fashewa, don haka bai dace da dauke da nitric acid ba;Formula 2 6 watanni bayan digo gwajin ganga ya karye, wanda bai cancanta ba, ko da yake wasu gwaje-gwajen sun wuce, idan aka yi amfani da su don ƙunshi sinadarin nitric acid yana da haɗari, ba a ba da shawarar yin amfani da shi ba;
Matsakaici da babban busa busa gyare-gyaren fasaha na ƙirƙira samfur
Formula 3 Kamar yadda aka nuna a cikin Tebura 3-18, duk gwaje-gwaje sun cancanci bayan rabin shekara na nitric acid.
A ƙarshe, bayan ƙara EVA da LC cikin HDPE, juriyar gyare-gyaren HDPE zuwa nitric acid an inganta a fili, kuma ana iya amfani da shi don kera marufi na nitric acid (68.4%) ganga.
3) Teburin dabarar filastik don kujerun filastik na waje.(Duba Table 4)
Lura: 7000F da 6098 a cikin dabarar a cikin Tebur 4 sune hdPe tare da babban nauyin kwayoyin halitta.18D ƙananan yawa polyethylene.
Ana amfani da EVA galibi azaman taimakon sarrafawa a cikin wannan dabara don haɓaka ingancin bayyanar samfuran da aka ƙera da haɓaka juriya.Kuma yana da tsayin juriya ga lokacin fashewar yanayin muhalli.
4) Don girke-girke na 50-100L busa kwantena, duba Table 5.
Samfurin kayan aiki yana da alaƙa da tebur ɗin dabarar filastik don kujerun filastik na waje
Za'a iya daidaita tsarin da ke cikin Tebur 5 bisa ga ainihin amfani.
A cikin ma'auni a cikin Tebu 5, tare da haɓaka yawan adadin albarkatun filastik tare da nauyin kwayoyin halitta mafi girma, ƙarfin, ƙarfin hali da juriya na yanayin zafi na samfurori suna haɓaka, kuma an tsawaita lokacin juriya na damuwa na muhalli.Masu kera samfur na iya daidaita ma'auni daban-daban na albarkatun albarkatun filastik daban-daban bisa ga buƙatun samfuran daban-daban don saduwa da buƙatun fasaha daban-daban.
5) 100-220L busa gyare-gyaren kwantena
Domin dangi nauyi na talakawa high yawa polyethylene guduro ba high, irin su HHM5502 guduro ne na hali bugun molded ethylene da hexene copolymer tare da dangi kwayoyin nauyi na game da 150,000, ko da yake ta inji Properties, rigidity da surface taurin ne mai kyau, Amma. juriya na lalata muhalli da ƙarfin tasiri ba su da kyau, ƙarfin narkewar ba shi da ƙarfi, kuma abin da ke faɗuwa yana da mahimmanci a cikin aiwatar da billet ɗin extrusion.Idan resin masana'anta 200L, net nauyi 10.5kg roba VAT bisa ga kasa misali ga drop gwajin, za a yi fashewa sabon abu.Ana iya ganin cewa guduro tare da ƙananan nauyin kwayoyin halitta bai dace da samar da manyan ganga na filastik fiye da 100 ~ 200L ba.Yin amfani da guduro HMWHDPE tare da nauyin kwayoyin dangi na fiye da 250 dubu 250 busa gyare-gyaren babban guga fiye da 200L a cikin yanayin gwaji iri ɗaya da gwajin digo, yawanci ba ya faruwa da fashewar sabon abu, a lokaci guda daidaitaccen kaurin bangon ganga yana da. An inganta sosai, babban juriyar guga ga ikon fashewar yanayi ya ninka sau biyu.Sabili da haka, lokacin zayyana dabarar lita 100-220 babban ganga filastik mara kyau, nauyin kwayoyin dangi wanda ya fi 250,000 dole ne a yi la'akari da shi azaman mai nuna alama na farko, sannan kuma girman guduro.Aiki ya tabbatar da cewa, Lokacin da yawa na guduro ne a cikin kewayon 0.945 ~ 0.955g / cm 3, da rigidity da danniya fatattaka juriya na high kwayoyin nauyi HIGH-DENSITY polyethylene resin kayayyakin ne in mun gwada da daidaita.
A cikin samar da masana'antu, lokacin da tasirin juriya da juriya na damuwa na samfurori ke buƙata (kamar tankin mai, da dai sauransu), resin tare da nauyin 0.945g / cm 3 ana amfani dashi sau da yawa azaman albarkatun kasa;Na biyu shine kayan sarrafawa na sauƙin dangi.
A zamanin yau, ƙasashe da yawa suna tsarawa da samar da kayan masarufi na musamman don manyan bokitin filastik.Matsayinsa na ƙwayoyin ƙwayoyin cuta, ƙimar narkewar ruwa da ƙarancin dangi sun dace don yin manyan fakitin filastik mara ƙarfi.
A cikin 200 L nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) nau'i nau'i nau'i nau'i. albarkatun kasa dabara samar da kwanciyar hankali da sauran yi zai inganta more, wannan cancantar haddasa hatsari kunshin ganga kayayyakin masana'anta dora muhimmanci sosai ga, Domin rage samar da asarar lalacewa ta hanyar guda filastik albarkatun kasa.Bugu da kari, yana da daraja tunatar da cewa saboda musamman amfani da bukatun na 200L biyu L zobe m bale ganguna, an kammala daga da yawa m kwarewa cewa: Kada a makanta a cikin manyan-sikelin m busa gyare-gyare na filastik albarkatun kasa ƙara. ma'adinai masterbatch don rage farashin ko inganta taurin, ko mafi girma tasiri a kan ingancin kayayyakin, musamman ga ruwa mai hadarin gaske kaya marufi ganga, ingancin kayayyakin zai zama da wuya a cikakken kiyaye, a cikin wannan girke-girke gyare-gyaren fasahar har yanzu ya zama kara. bincike da ci gaba.
Extrusion busa gyare-gyaren kayayyakin more kuma mafi, da yin amfani da yanayi bambanta, da yin amfani da kuma mafi roba albarkatun kasa, iri, brands kuma da yawa, daga gaskiyar samar, busa gyare-gyaren masana'antun bukatar tsara da inganta dabara na kowane samfurin. bisa ga halayen samfuran nasu, don cimma sakamako mafi kyau.Fasahar dabara ta gama gari da aka gabatar a sama ita ce kawai dabarar gama-gari na wasu samfuran gyare-gyare na yau da kullun, kuma ana ba da shawarar a yi amfani da ita don yin la'akari da takamaiman kera samfuran busa.
Lokacin aikawa: Oktoba-28-2021