Wannan shine tsarin samar da sana'ar samar da akwatin abinci, zaku iya komawa don koyon ilimin da ya dacerotomolding.
Rotomolding sabon salo ne kuma ci-gaban hanyar samar da sarrafa robobi, wanda ke siffanta shi da:
1, dace da sarrafawamanyan m kayayyakin, kamartankin ruwa, tankin mai, manyan kayan aikin nishaɗi, bangon ware, da sauransu.
2,Kudin sarrafawa yana da ƙasa, musamman farashin mold shine kawai 1/3 na ƙirar allura.Rashin lahanta shi ne babban buƙatun albarkatun ƙasa, kuma ƙaƙƙarfan sarrafa samfurin ba shi da kyau idan aka kwatanta da gyare-gyaren allura.
Tsarin samar da shi shine kamar haka:
一,Shirye-shiryen albarkatun kasa
(一) Abubuwan buƙatun ɗanyen abu donrotomolding samarwa
1.melting index gaba ɗaya bai wuce 5.0g/10min ba.
2.foda barbashi 30 ~ 60 raga (zagaye barbashi ba zai iya samun babban adadin wutsiya da prisms, flake barbashi).
3. bushe.
(二) Abubuwan buƙatu akan albarkatun ƙasa donmirgina robobi samar
LLDPE guda ɗaya na igiya yana da wahala don tabbatar da takamaiman buƙatun samfuran (kamar akwatunan ajiyar yaƙi da kamfaninmu ke samarwa), don haka ana amfani da kayan hade (wanda aka fi sani da gyaran filastik) gabaɗaya, kamar kayan 7042 da UR644 tare da ruwa mai kyau. amma rashin isasshen ƙarfi.Don haka don tabbatar da ingancin takamaiman samfuran, 7042, 6090, 500S ko UR644, A760.Ana samun takamaiman samfurin albarkatun ƙasa bayan dubun-dubatar gwaje-gwajen kimiyya, na sirri, an ba da izini, kowa ba zai iya canza tsarin ba tare da gwaji ba.
Hakanan ya kamata a ƙara takamaiman samfur guda ɗaya bisa ga aikin samfurin, wasu masters, antioxidants, kamar samar da launi don haɗawa da babban darajar filastik na yi.Ana amfani da samfurin a waje na dogon lokaci, yana ƙara antioxidants, samar da kayan hana wuta, masu hana tsufa, masu talla da sauransu.
(三) takamaiman tsari na fasaha
1. Bisa ga tsari na jagora, kowane nau'i na albarkatun kasa da accelerators da aka jera a cikin tsarin samfurin ana sanya su a cikin mahaɗin da ma'aikatan da aka ba da su na musamman, kuma an haɗa mahaɗin a farkon mahaɗin.Lokacin hadawa shine>minti 10 (ana raba mahaɗin zuwa mahaɗin talakawa da na'ura mai sauri, kuma ana ba da shawarar yin amfani da mahaɗa mai sauri idan asusun ya ba da izini. Babban abin wannan tsari shine daidaitaccen rabo daga kowane nau'in. albarkatun kasa, wanda dole ne a yi amfani da su tare da ingantattun kayan aiki.
2, Extrusion granulation inji ma'aikaci tare da hannun faifai motor pulley, da inji iya gudu sauƙi, da kayan bayan hadawa tsari a cikin granulation inji, motor button da sauransu.Bayan motar ammeter ta tashi, rufe maɓallin dumama kuma daidaita yanayin zafi na yankin dumama.Kamfanin na ya sayi injin granulating ya kasu kashi hudu na dumama, daga hopper gaba bi da bi: kowane yanki, gabaɗaya 150 ℃.Yankin na biyu shine 180 ℃.Bayan shaye na uku zone 180 ℃.Hanci shine 190 ℃.
Bayan da aka sanyaya tsiri kayan da aka fitar da tankin ruwa, an saka shi a cikin granulator kuma an rufe wutar lantarki na granulator.Na'ura mai yin pellet ɗin za ta ja ta atomatik zuwa cikin kayan da ake yin pelleting.Ya kamata ma'aikacin na'ura ya lura da ayyukan extruder, idan an gano cewa ana sa ran za a matse iska, nan da nan a yanke tushen wutar lantarki kuma a tsaya bayan injin ya daina aiki gaba ɗaya daga fitar hancin ya mutu, canza zuwa sabon raga. (tsohuwar raga ba tare da lalacewa bayan wuta ba, har yanzu yana iya ci gaba da amfani da shi), sake buɗewa extrusion granulator, kayan albarkatun filastik kamfanin a matsayin sabon abu, Bisa manufa, ana iya canza shi sau ɗaya a rana.Bayan extrusion, kayan ya kamata a bushe iska da kyau bisa ga ainihin halin da ake ciki kafin granulation.
Manufar wannan hanya ita ce canza kayan albarkatun kasa.Lura: Ya kamata a daidaita zafin zafin jiki na albarkatun ƙasa bisa ga albarkatun ƙasa daban-daban.
Extruder granulator yana da dunƙule biyu da maki guda ɗaya, yanke sanyi da maki masu zafi, kamfanin yana amfani da granulator yanke sanyi.
3. Nika foda wani tsari ne da ya zama dole kafin yin mirgina saboda kayan da ake amfani da su wajen yin jujjuya kayan foda ne, kuma albarkatun da kasuwa ke siya shine kayan granulu.Bayan ma'aikacin granulator ya bincika cewa babu wani abu na waje a cikin injin, an saka kayan granular bayan granulation a cikin hopper, an fara injin niƙa, kuma ana daidaita saurin ciyarwa don niƙa.Bayan an niƙa, za a bushe albarkatun ƙasa yadda ya dace, kuma bushewar zafin jiki ba zai wuce 30 ℃ ba.
Wannan tsari yana mayar da hankali kan ingancin nika foda, girman barbashi na 30 ~ 60 raga, sassan zagaye, babu gefuna, sasanninta, flake, ƙwayoyin trailing.
Lokacin aikawa: Oktoba-28-2022