Lefapheng la kajeno la indasteri ea kajeno, tlhahiso ealiphaephe tsa polyethylene (PE). o na le boemo ba bohlokoa haholo. Ebang ke lits'ebetsong tsa phepelo ea metsi litoropong, marang-rang a phetiso ea khase, nosetso ea temo, kapa lits'ebetso tse fapaneng tsa lipeipi mererong ea kaho, lipeipi tsa PE li ratoa haholo bakeng sa ts'ebetso ea tsona e ntle haholo le ts'ebeliso e pharaletseng. Joale, hantle-ntle liphaephe tsa polyethylene li hlahisoa joang? Kajeno, ha re hlahlobeng taba indasteri ea extrusion ea liphaephe tsa polasetiki hammoho ho hlahloba liphiri tsa ts'ebetso ena ea tlhahiso.
I. Selelekela: Lintlha tsa Motheo le Mehato ea Bohlokoa hoTlhahiso ea Pipe ea PE
Ntho ea mantlha ea pipe ea PE le tlhahiso e loketseng e itšetlehile ka ho futhumatsa, ho qhibiliha, ho kopanya lihlahisoa tse tala, ebe o li fetisetsa ka sebōpeho se itseng, ebe ho latela ho boloka sebopeho seo nakong ea ho pholile. Mehato ena e bohlokoa bakeng sa ho hlahisa liphaephe tse tiileng tsa lebota, lipeipi tsa lebota la profil, hammoho le ho hatella le ho kenya lintho tse entsoeng ka ente. Ts'ebetsong ena e rarahaneng le e bonolo ea tlhahiso, ntle le pelaelo extruder e phetha karolo ea bohlokoa. Extruder e tšoana le setsebi se hloahloa sa mesebetsi ea matsoho, butle-butle se sebetsana le lisebelisoa tse tala tse kang polyethylene resin ka sebōpeho sa liphaephe tse finyellang litlhoko.
Chaena, ka mor'a lilemo tsa tsoelo-pele, indasteri ea extrusion ea polasetiki e bone ho hlaha ha likhoebo tse ngata tse matla, tse fetohang matla a bohlokoa tlhahisong ea lefats'e ea lisebelisoa tsa ho ntša lipeipi tsa polasetiki. Bahlahisi ba tsebahalang ba China ba extruder, joalo ka Blesson, ba na le li-extruder tsa bona le tšehetsoMehala ea tlhahiso ea lipeipi tsa PE e sebelisoang haholo limmarakeng tsa malapeng le tsa machaba. Likhoebo tsena ha li na feela mahlale a tsoetseng pele a tlhahiso empa li boetse li tsetela ho etsa lipatlisiso le nts'etsopele le boqapi, li loanela ho fana ka likhoebo tsa tlhahiso ea lipeipi tsa polasetiki ka lisebelisoa tse sebetsang hantle, tse tsitsitseng le tse bohlale.
II. Ts'ebetso e qaqileng ea Tlhahiso ea Pipe ea PE
1. Mothati oa Tokiso ea Lintho tse tala
Mohato oa pele oa tlhahiso ea lipeipi tsa PE ke khetho e hlokolosi le ho lokisoa ha thepa e tala. Polyethylene resin ke karolo e ka sehloohong, 'me boleng ba eona le ts'ebetso ea eona li ama ka ho toba boleng ba liphaephe tsa ho qetela. Resin ea boleng bo holimo ea polyethylene e na le botsitso bo botle, ho hanyetsa kutu, le matla a mochini. Mothating ona, lisebelisoa tse tala li hlahlojoa ka thata ho netefatsa hore matšoao ohle a tsona a fihlela litlhoko tsa tlhahiso.
2. Core Processing Process ea Extruder
(1) Ho futhumatsa le ho qhibiliha
The screw of the extruder ke karolo ea bohlokoa ts'ebetsong eohle ea ho futhumatsa le ho qhibiliha. Ha lisebelisoa tse tala li kena ka har'a moqomo oa extruder, screw e qala ho potoloha tlas'a koloi ea motlakase. Bokantle ba barrel bo na le mochini o futhumatsang o tsoetseng pele o ka laolang mocheso ka har'a moqomo ka nepo. Ha screw e ntse e potoloha, lisebelisoa tse tala li ntse li sutumetsoa pele ka har'a moqomo. Ho sa le joalo, tlas'a ketso ea matla a matla a ho kuta le likhohlano, butle-butle li futhumala 'me li qhibiliha hore e be seaparo se tšoanang. Ts'ebetso ena e hloka taolo e nepahetseng ea mocheso le lebelo le tsitsitseng la screw rotation ho netefatsa hore lisebelisoa tse tala li ka qhibiliha ka botlalo le boleng ba ho qhibiliha bo lumellana ka mokhoa o ts'oanang.
(2) Ho kopanya le Plasticizing
Ha e ntse e qhibiliha, extruder e boetse e etsa mosebetsi oa ho kopanya ka botlalo li-additives tse fapaneng le polyethylene melt. Moralo o khethehileng oa sebopeho sa screw, joalo ka sebopeho le kabo ea likhoele karolong ea ho kopanya, e etsa hore li-additives li aroloe ka mokhoa o ts'oanang ho qhibiliha. Ts'ebetso ena ea ho kopanya le ho etsa polasetiki ke ea bohlokoa haholo bakeng sa ho ntlafatsa ts'ebetso ea liphaephe. Ho qhibiliha ka mokhoa o ts'oanang ho ka etsa bonnete ba hore liphaephe li na le thepa e tsitsitseng ea 'mele ho pholletsa le karolo ea sefapano le ho qoba mefokolo ea sebaka kapa phapang ea ts'ebetso. Ka mohlala, li-extruders tse hlahisoang keTlhohonolofatso e na le meralo ea li-screw e entseng liteko le lintlafatso tse ngata, tse nolofalletsang ho kopanya hantle le litlamorao tsa polasetiki le ho hlahisa melts ea boleng bo holimo ea PE.
(3) Ho tsamaisa le ho Beha
Mokelikeli o kopantsoeng ka ho feletseng le oa polasetiki o tsoela pele ho sutumelloa pele ke screw ebe o feta ka lefu la hlooho ea extruder. Ha ho qhibiliha ho feta lefung, ho tla ba tlas'a khatello e itseng, ho etsa hore e khomarele haufi-ufi lerako le ka hare la lefu, kahoo qalong e etsa sebopeho sa phala. Nakong ena, phala e ntse e le boemong bo phahameng ba mocheso o qhibilihisitsoeng 'me e hloka phekolo e eketsehileng ho lokisa sebōpeho sa eona le ho ntlafatsa tshebetso ea eona.
3. Cooling le Shaping Stage
Pipe e phahameng ea mocheso e ntšitsoeng ho tloha lefung hang-hang e kena tsamaisong ea pholileng. Ho pholisa metsi ho ka tlosa mocheso oa phala kapele, ho etsa hore e pholile le ho tiea ka potlako. Metsi a katanka e phodisang e tla lula e potoloha ho boloka phello e tsitsitseng ea ho pholisa. Taolo e nepahetseng ea lebelo la ho pholisa le nako ea ho pholisa e bohlokoa haholo. Ho pholisa ka potlako haholo ho ka baka khatello ea maikutlo ka hare ho pipe, e amang ts'ebetso ea eona ea nako e telele; ho pholisa butle haholo ho tla fokotsa katleho ea tlhahiso.
4. Ho hulanya le Sethala sa ho Seha
Ka mor'a ho pholile, phala e na le boima bo itseng le matla a itseng, empa e ntse e hloka ho bolokoa boemong bo tsitsitseng ba ho sisinyeha ka mokhoa o tsitsitseng.the hula yuniti. Ka ho fetola lebelo la ho potoloha le matla a ho hula a mabili a ho hula, lebelo la extrusion le botenya ba lebota la phala li ka laoloa. Ha phala e fihla bolelele bo reriloeng esale pele, sesebelisoa sa ho itšeha se tla se khaola. Ho nepahala le katleho ea mosehi ama ka ho toba boleng ba tlhahiso le tlhahiso ea phala.
5. Sethala sa Tlhahlobo ea Boleng le Packaging
Liphaephe tsa PE tse hlahisoang ha li kene ka kotloloho 'marakeng empa li hloka ho hlahlojoa ka thata ka boleng. Lintho tsa tlhahlobo li kenyelletsa boleng ba ponahalo ea liphaephe, joalo ka hore na ho na le mapetsong, lipululana, mengoapo le mefokolo e meng; ho nepahala ha dimensional, joalo ka bophara ba bokantle, botenya ba lebota, le bolelele, ho bona hore na li fihlella litlhoko tse tloaelehileng; le liteko tsa thepa ea 'mele, joalo ka matla a thata, bolelele nakong ea khefu, le matla a hydrostatic.
III. Maemo a Hona Joale le Mekhoa ea Tsoelo-pele ea Indasteri ea Phallo ea Phala ea Plastiki ea China
E le naha e kholo ea tlhahiso lefatšeng, China e boetse e fihletse likatleho tse tsotehang indastering ea extrusion ea lipeipi tsa polasetiki. Baetsi ba li-extruder ba bangata ba Machaena ba 'nile ba tsoela pele ho ntlafatsa maemo a bona a theknoloji le bokhoni ba tlhahiso, ba fana ka palo e kholo ea li-extruder tsa boleng bo phahameng le melapo ea tlhahiso ea liphaephe bakeng sa' maraka oa lehae le oa machaba.
Ho nkaTlhohonolofatso e le mohlala, e le e tsebahalang Chinese moetsi oa extruder, e entse matsete a maholo ka ho etsa lipatlisiso tsa thekenoloji le ntshetsopele. Khampani e na le sehlopha sa boleng bo holimo sa R & D se lulang se hlahloba mekhoa le mekhoa e mecha ea extrusion.
Ntle le moo, ka ntlafatso e tsoelang pele ea tlhokomeliso ea ts'ireletso ea tikoloho le tlhoko e ntseng e eketseha ea lipeipi tse sebetsang hantle 'marakeng, indasteri ea China ea extrusion ea lipeipi tsa polasetiki le eona e lula e ntlafatsa le ho fetoha. Ka lehlakoreng le leng, likhoebo li ela hloko haholo ts'ireletso ea tikoloho le botsitso ha ho khethoa thepa e tala, ho etsa lipatlisiso ka mafolofolo le ho nts'etsapele lisebelisoa tsa polyethylene tse senyehang kapa ho sebelisa lisebelisoa tse nchafalitsoeng bakeng sa tlhahiso ho fokotsa tšusumetso tikolohong. Ka lehlakoreng le leng, mabapi le ho ntlafatsa ts'ebetso ea liphaephe, mefuta e mecha ea lihlahisoa tsa liphaephe tse nang le khatello e phahameng ea khatello, ho hanyetsa kutu, le ho hanyetsa boemo ba leholimo li ntse li tsoela pele ho fihlela litlhoko tse khethehileng tsa ts'ebeliso ea merero e kang phetisetso ea oli ea leoatle le khase. le merero ea lipeipi libakeng tse nang le maemo a leholimo a feteletseng.
Nakong e tlang, indasteri ea extrusion ea lipeipi tsa polasetiki ea China e lebelletsoe ho tsoela pele ho boloka mokhoa o motle oa nts'etsopele. Ka ts'ebetsong e tebileng ea leano la "Made in China 2025", indasteri e tla tsoela pele ho ntlafala ho latela tataiso ea bohlale, botala, le maemo a holimo. Tsoelopele ea boemo bo holimo e tla khothaletsa ntlafatso e tsoelang pele ea tlholisano ea thepa ea China ea ho ntša liphaephe tsa polasetiki 'marakeng oa machaba, ho e nolofalletsa ho qothisana lehlokoa le lihlahisoa tse tsebahalang tsa machaba le ho finyella katleho e kholo mafapheng a mang a boemo bo phahameng.
Qetellong, tlhahiso ea liphaephe tsa polyethylene ke mokhoa o rarahaneng o kenyelletsang li-link tse ngata le theknoloji. Indasteri ea China ea ho ntša liphaephe tsa polasetiki e se e fihletse likatleho tse tsotehang tšimong ena 'me e na le litebello tse pharaletseng tsa nts'etsopele. Ho tloha ha ho lokisoa ka hloko lisebelisoa tse tala ho ea ho ts'ebetso e nepahetseng ke extruder, ebe ho ea ho pholile le ho etsa sebopeho,ho hulanya le ho itšeha, hammoho le tlhahlobo e tiileng ea boleng le ho paka, sehokelo se seng le se seng se kenyelletsa bohlale le matsapa a litsebi tsa indasteri. Ka tsoelopele e tsoelang pele ea thekenoloji le liphetoho tse tsoelang pele tlhokahalong ea 'maraka, re na le lebaka la ho lumela hore tlhahiso ea liphaephe tsa PE e tla fana ka tharollo ea lipeipi tsa boleng bo holimo le tse tšepahalang bakeng sa kaho ea meaho ea lefats'e le nts'etsopele ea indasteri nakong e tlang.
Nako ea poso: Nov-29-2024