Joaloka moetsi ea ka sehloohong oa li-screws extruder,Qiangshengplase utloisisa bohlokoa ba ho tataisa bareki ba rona ho khetha extruder e loketseng ka ho fetisisa bakeng sa litlhoko tsa bona tse khethehileng. Tataiso ena e batsi e shebana le ho rarahana ha screw e le 'ngoe le li-twin-screw extruder, e u fang matla a ho etsa liqeto tse nang le tsebo le ho khetholla extruder e tsamaellanang le litlhoko tsa hau tsa ts'ebetso.
Ho Utloisisa Lintho tsa motheo tsa Extruders
Li-extruder ke lipere tsa indasteri ea polima, e fetolang thepa e tala ea polymer hore e be libopeho le lihlahisoa tse fapaneng. Khetho pakeng tsa "screw extruder" le "twin screw extruder" e itšetlehile ka lintlha tse 'maloa tsa bohlokoa, ho kenyelletsa le litšobotsi tse lakatsehang tsa sehlahisoa, ho rarahana ha ts'ebetso, le tlhahiso ea tlhahiso.
Ho notlolla Single Screw Extruder
Li-extruder tsa screw tse le 'ngoe ke mofuta o atileng haholo oa li-extruder, tse tsebahalang ka ho ba bonolo, ho khoneha, le ho sebetsa hantle ha li sebetsana le mefuta e mengata ea li-polymer. Pelo ea screw extruder e le 'ngoe ke screw e le 'ngoe e potolohang e fetisang, e qhibilihisang, le ho etsa homogenizes polymer e qhibiliha.
Melemo ea Single Screw Extruders:
Litšenyehelo:Li-extruder tsa screw e le 'ngoe hangata ha li theko e tlase ho li reka le ho li boloka ha li bapisoa le li-scruder tse mafahla.
Ts'ebetso e bonolo:Moralo oa bona o otlolohileng o etsa hore ho be bonolo ho sebetsa le ho laola.
E loketse lits'ebetso tsa Low-Shear:Ba ipabola tabeng ea ho sebetsana le lipolymer tse sa utloeng litsebeng.
Meeli ea Single Screw Extruder:
Matla a Lekanyelitsoeng a Ho Kopanya:Bokhoni ba bona ba ho kopanya hangata bo tlase ho feta li-extruder tse mafahla.
Phetisetso ea Mocheso e Lekanyelitsoeng:Ho fetisoa ha mocheso ho ka 'na ha se ke ha sebetsa hantle, ho ka fokotsa ts'ebetso ea li-polymers tse nang le viscosity e phahameng.
Monyetla oa ho Felisoa:Li-polymers tse nang le shear-sensitive li ka 'na tsa senyeha ka lebaka la khatello e phahameng ea ho kuta.
Ho kenella Lefatšeng la Li-Twin Screw Extruders
Li-extruder tsa twin screw li fetotse ts'ebetso ea polima ka ho hlahisa li-screw tse peli tse pota-pota tse potolohang ka nqa e le 'ngoe (ho pota-pota) kapa mahlakoreng a fapaneng (a pota-potileng). Tlhophiso ena e ikhethang e fana ka melemo e mengata e fapaneng, e etsa hore li-fin screw extruder e be khetho e ratoang bakeng sa lits'ebetso tse batloang haholo.
Melemo ea Twin Screw Extruders:
Motsoako o Phahameng ka ho Fetisisa le Homogenization:Matla a matla a ho kuta a hlahisoang ke li-screws tsa intermeshing a khothalletsa ho kopanya ka botlalo le homogenization, ho netefatsa boleng ba sehlahisoa se tšoanang.
Phetisetso e Ntle ea Mocheso le Plasticization ea Melt:Sebaka se seholo sa sebaka sa ho fetisa mocheso se etsa hore ho qhibilihe hantle le ho etsa polasetiki ea li-polymers tse phahameng tsa viscosity.
Ho Degassing le ho Felisa Moea ka Katleho:Li-intermeshing screws le moralo o kentsoeng oa moqomo o thusa ho tlosoa ha likhase tse sa tsitsang le mongobo ho tsoa ho polymer e qhibilihang, ho hlahisa lihlahisoa tsa boleng bo holimo tse nang le li-voids tse fokolang le li-bubble.
Mefuta e sa tšoaneng bakeng sa Mekhoa e Feletseng:Li loketse hantle bakeng sa lits'ebetso tse rarahaneng joalo ka extrusion e sebetsang le motsoako oa polymer.
Meeli ea Twin Screw Extruders:
Litšenyehelo tse Phahameng: Li-fin screw extrudershangata li theko e boima ho feta li-scruders tse le 'ngoe.
Ts'ebetso e rarahaneng:Moralo oa bona o rarahaneng o ka hloka boiphihlelo bo ikhethang ho sebetsa.
Tšebeliso e Phahameng ea Matla:Ts'ebetso ea bona e kanna ea ja matla a mangata ha e bapisoa le li-scruder tsa screw tse le 'ngoe.
Ho Khetha Extruder e Nepahetseng: Tataiso e sebetsang
Khetho pakeng tsa "screw extruder" le "twin screw extruder" e itšetlehile ka litlhoko tse khethehileng tsa ho sebetsa le litšobotsi tse lakatsehang tsa sehlahisoa.
Nahana ka Single Screw Extruders bakeng sa:
Likopo tse Haretsoeng ke Lichelete:Ha theko e le eona ntho e ka sehloohong e amehang 'me litlhoko tsa ts'ebetso li sa hlokehe ho feta tekano.
Ho Sebetsa ka Shear-Sensitive Polymers:Ha thepa ea polymer e kotsing ea ho senyeha tlas'a maemo a phahameng a ho kuta.
Lijeometri tse bonolo tsa Sehlahisoa:Ha ho etsoa lihlahisoa tse nang le libopeho tse otlolohileng le litekanyo.
Nahana ka Twin Screw Extruders bakeng sa:
Lisebelisoa tsa ho kopanya:Ha ho kopanya ka botlalo le homogenization ho bohlokoa bakeng sa ho fihlela thepa e tšoanang ea sehlahisoa.
Ho sebetsana le li-polymers tse phahameng tsa viscosity:Ha ho qhibiliha ka katleho le polasetiki ea li-polymers tse phahameng-viscosity ke tsa bohlokoa.
Phetoho e rarahaneng ea Polymer:Ha o sebetsana le lits'ebetso tse rarahaneng joalo ka extrusion e sebetsang, motsoako oa polymer, le devolatilization.
Tlhahiso ea Lihlahisoa tsa boleng bo holimo:Ha ho etsoa lihlahisoa tse nang le litlhoko tse thata tsa boleng le mefokolo e fokolang.
Lenane la Mabaka:
- Single Screw Extruder:Extruder e sebelisang screw e le 'ngoe e bilikang ho fetisa, ho qhibilihisa, le ho etsa homogenize polymers.
- Twin Screw Extruder:Extruder e sebelisang likurufu tse peli tsa intermeshing, tse pota-potileng kapa tse bilikang, ho matlafatsa ho kopanya, ho fetisa mocheso, le ho tlosa moea.
- Mochini o potolohang oa Twin Screw Extruder:Sefahla sa screw extruder moo likurufu ka bobeli li potolohang ka nqa e le 'ngoe.
- Counter-rotating Twin Screw Extruder:Sekurufu sa mafahla moo likurufu li potolohang ka nqa tse fapaneng.
- Kopanya:Mokhoa oa ho kopanya lisebelisoa tse fapaneng ho fihlela kabo e tšoanang.
- Homogenization:Mokhoa oa ho theha motsoako o ts'oanang o se nang liphapang tse bonahalang tsa ho hlophisoa.
- Phetisetso ea Mocheso:Phetisetso ya matla a mocheso ho tloha nthong enngwe ho ya ho enngwe.
- Qhibiliha Plasticization:Mokhoa oa ho fetola polima ho tloha ho se tiileng ho isa sebakeng se qhibilihileng.
- Ho hloekisa:Ho ntšoa hoa likhase tse sa tsitsang nthong.
- Ho hema:Ho tlosoa hoa moea kapa likhase sebakeng se koetsoeng.
- Reactive Extrusion:Mokhoa oa polymerization o etsoang ka extruder.
- Ho kopanya Polymer:Mokhoa oa ho kopanya li-polymer tse fapaneng ho theha thepa e ncha e nang le thepa e lakatsehang.
Qetello
Khetho pakeng tsa screw extruder e le 'ngoe le twin screw extruder ke qeto ea bohlokoa e ka amang boleng ba sehlahisoa haholo, katleho ea ts'ebetso, le litšenyehelo tsa tlhahiso ka kakaretso. Ka ho hlahloba ka hloko litlhoko tsa ts'ebetso le litšobotsi tse lakatsehang tsa sehlahisoa, bahlahisi ba ka khetha extruder e loketseng ka ho fetisisa bakeng sa litlhoko tsa bona tse khethehileng. Joaloka moetsi ea ka sehloohong oa li-screw extruder, Qiangshengplas e ikemiselitse ho fa bareki ba rona li-extruder tsa boleng bo phahameng feela empa hape le tšehetso le tataiso e felletseng. Haeba u na le lipotso kapa u hloka thuso e eketsehileng mabapi le ho khetha kapa ho sebelisa extruder, ka kopo u se ke oa tsilatsila ho ikopanya le sehlopha sa rona sa litsebi tse nang le boiphihlelo.
Nako ea poso: Jun-28-2024