Ana iya sarrafa PE da kera ta ta hanyoyi daban-daban.Amfani da ethylene a matsayin babban albarkatun kasa, propylene, 1-butene da hexene a matsayin copolymers, a karkashin mataki na masu kara kuzari, ta amfani da slurry polymerization ko gas polymerization tsari, da polymer samu ta hanyar walƙiya evaporation, rabuwa, bushewa da granulation don samun uniform barbashi na gama samfurin.Wannan ya haɗa da matakai irin su extrusion takarda, extrusion fim, bututu ko extrusion profile, busa gyare-gyare, gyare-gyaren allura, da kuma yi gyare-gyare.
Extrusion: Matsayin da ake amfani da shi don samar da extrusion gabaɗaya index narke ƙasa da 1, MWD matsakaiciya nisa.Low MI yayin aiki yana haifar da ƙarfin narkewa mai dacewa.Faɗin maki na MWD sun fi dacewa da extrusions saboda suna da ƙimar samarwa mafi girma, ƙarancin buɗewar buɗewar mutuwa, da ƙarancin narkewar yanayi.
PE yana da aikace-aikacen extrusion da yawa kamar wayoyi, igiyoyi, hoses, tubing da bayanan martaba.Aikace-aikacen bututun sun fito daga ƙananan bututun rawaya don iskar gas zuwa bututun baƙar fata masu kauri 48 inci a diamita don bututun masana'antu da na birni.Manyan bututun bangon bango masu girman diamita suna haɓaka cikin sauri a matsayin madadin magudanar ruwa da sauran magudanar ruwa.
1.Sheet da Thermoforming: Thermoforming rufin da yawa manyan fikinik irin sanyaya an yi daga PE ga tauri, haske nauyi da karko.Sauran samfuran takarda da thermoforming sun haɗa da fenders, tankunan tanki, faranti da masu gadin kwandon ruwa, akwatunan jigilar kaya da tankuna.Dangane da gaskiyar cewa MDPE yana da tauri, mai jurewa ga lalata sinadarai da rashin lalacewa, babban adadin aikace-aikacen takarda da sauri suna ciyawa ko ƙasan Muri.
2.Blow gyare-gyare: Fiye da kashi ɗaya bisa uku na HDPE da aka sayar a Amurka don aikace-aikacen gyaran fuska.Wadannan sun hada da kwalabe masu dauke da bleach, man mota, wanka, madara da ruwa mai tsafta zuwa manyan firji, tankunan mai na mota da harsashin tawada.Busa gyare-gyaren maki suna da ƙayyadaddun ayyuka kamar ƙarfin narkewa, ES-CR da tauri kama da waɗanda aka yi amfani da su don aikace-aikacen takarda da thermoforming, don haka ana iya amfani da maki iri ɗaya.
Ana amfani da gyare-gyaren allura da yawa don yin ƙananan kwantena (kasa da oza 16) don ɗaukar magunguna, shamfu, da kayan kwalliya.Amfanin wannan tsari shine cewa ana samar da kwalabe ta hanyar cire kwalabe ta atomatik, kawar da buƙatar matakan ƙarewa da aka saba da su tare da tsarin gyaran fuska.Yayin da ake amfani da wasu kunkuntar maki na MWD don inganta ƙarewar ƙasa, matsakaici zuwa faɗin maki na MWD galibi ana amfani da su.
3.Injection gyare-gyare: HDPE yana da aikace-aikace marasa iyaka, daga kofuna masu ban sha'awa da za a sake amfani da su zuwa gwangwani 5-gsl waɗanda ke cinye kashi biyar na HDPE da aka samar a gida.Makin allura yawanci suna da ma'aunin narkewa na 5 zuwa 10 kuma suna samar da ƙananan matakan kwarara don tauri da mafi girman maki kwarara don injina.Abubuwan amfani sun haɗa da buƙatun yau da kullun da marufi na katangar abinci;Gwangwani na abinci mai tauri da gwangwani fenti;Babban juriya ga aikace-aikacen fatattakar damuwa na muhalli kamar ƙananan tankunan mai da gwangwani 90 galan.
4.Rolling: Abubuwan da ke amfani da wannan tsari yawanci ana murƙushe su a cikin kayan foda waɗanda zasu iya narkewa da gudana a cikin zagayowar thermal.Ana amfani da nau'ikan PE guda biyu don mirgina: manufa ta gaba ɗaya da haɗin giciye.Babban manufar MDPE/HDPE yawanci yana da yawa a cikin kewayon 0.935 zuwa 0.945 g/CC tare da kunkuntar MWD, yana haifar da babban tasiri samfurin tare da ƙaramin warp da kewayon narke na 3-8.Maɗaukakin maki MI gabaɗaya ba su dace ba saboda ba su da juriya mai tasiri da juriya mai fashewar muhalli da ake buƙata don samfuran mirgine.
Babban aikin mirgina aikace-aikacen yana ɗaukar fa'idar keɓaɓɓen kaddarorin sa na maki masu alaƙa da sinadarai.Waɗannan maki suna gudana da kyau yayin ɓangaren farko na sake zagayowar gyare-gyaren sannan kuma ana haɗa su da haɗin gwiwa don haɓaka juriya na fashewar yanayi mafi girma da ƙarfi.Sawa da juriya na yanayi.Polyethylene da aka haɗe ta ya dace musamman don manyan kwantena, daga tankunan galan 500 da ake amfani da su don jigilar sinadarai iri-iri zuwa tankunan ajiya na galan 20,000.
5.Film: PE film sarrafa kullum rungumi dabi'ar da general hurawa fim sarrafa ko lebur extrusion sarrafa hanya.Yawancin PE don fina-finai ne na bakin ciki kuma ana iya amfani da su tare da ko dai Universal Low density PE (LDPE) ko layin Low Density PE (LLDPE).Ana amfani da matakan fim na HDPE da yawa inda ake buƙatar kyawawan kaddarorin ƙwanƙwasa da ingantaccen rashin ƙarfi.Misali, ana amfani da fina-finan HDPE sosai a cikin buhunan kayayyaki, buhunan abinci da kayan abinci.
Lokacin aikawa: Nov-11-2022
