Joaloka moetsi ea ka sehloohong oa li-screws extruder,Qiangshengplase hlokomela bohlokoa ba ho utloisisa ts'ebetso e rarahaneng ea li-twin screw extruder ho ananela ho feto-fetoha ha tsona le katleho ea tsona lits'ebetsong tse fapaneng tsa polima. Tataiso ena e felletseng e shebana le mekhoa ea li-scruder tse peli, e u fa matla a ho utloisisa melao-motheo ea ts'ebetso ea bona le ho tseba melemo ea bona e ikhethang.
Boleng ba Twin Screw Extruders
Li-extruder tsa Twin screw li fetotse indasteri ea ho lokisa polymer ka ho hlahisa mokhoa o mocha oa ho sebetsana, ho kopanya le ho qhibiliha. Ho fapana le li-screw tsa tsona tse le 'ngoe, li- screw extruder tse peli li sebelisa li-screws tse peli tse pota-potileng tse pota-potileng ka lehlakoreng le le leng (li-co-rotation) kapa tse fapaneng (tse 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.
Ho manolla Melao-motheo ea Ts'ebetso
Phetisetso e Ntle ea Phalliso:Ho kopanngoa ha li-screws tsa mafahla ho theha mokhoa o motle oa ho falla, ho netefatsa hore ho na le phallo e tsitsitseng le e se nang pulsation. Bokhoni bona ba ho fetisa bo bohlokoa bakeng sa lits'ebetso tse hlokang boleng bo ts'oanang ba sehlahisoa le taolo e tsitsitseng ea ts'ebetso.
Ho kopanya ka Sebetsa le Homogenization:Jiometry e rarahaneng ea li-screws tse peli e hlahisa matla a matla a ho kuta, e khothalletsang ho tsoakana le ho homogenization ea polymer melt. Bokhoni bona bo ntlafalitsoeng ba ho kopanya bo bohlokoa bakeng sa ho kenyelletsa li-additives, li-filler le li-pigments ka har'a matrix a polymer, ho fihlela phallo e ts'oanang le thepa e nepahetseng ea sehlahisoa.
Phetisetso ea Mocheso e Atlehang le Plasticization ea Melt:Li-screws tsa intermeshing le sebaka se koalehileng sa barrel se fana ka sebaka se seholo sa holim'a mocheso bakeng sa ho fetisa mocheso, se nolofalletsang ho qhibiliha ka katleho le polasetiki ea polymer. Bokhoni bona bo sebetsang ba ho fetisa mocheso bo bohlokoa haholo bakeng sa ho sebetsana le li-polymer tse nang le viscosity e phahameng le ho fihlela thepa e ts'oanang ea ho qhibiliha.
Ho hloekisa le ho ntša moeaLi-screws tsa intermeshing le moralo o kentsoeng oa barrel li thusa ho tlosoa ha likhase tse sa tsitsang le mongobo ho tloha polymer e qhibiliha. Bokhoni bona bo sebetsang ba ho senya bo bohlokoa bakeng sa ho hlahisa lihlahisoa tsa boleng bo holimo tse nang le li-voids le li-bubble tse fokolang.
Lisebelisoa tsa Twin Screw Extruders
Li-extruder tsa Twin screw li fumane botumo mefuteng e mengata ea lits'ebetso tsa polymer ka lebaka la ho feto-fetoha ha tsona le ts'ebetso e phahameng. Lisebelisoa tse tloaelehileng li kenyelletsa:
Plasticization le ho kopanya:Li-extruder tsa twin screw li ipabola ka ho etsa polasetiki le ho kopanya li-polymer tse fapaneng, ho kenyeletsoa thermoplastics, thermosets, le elastomers. Li sebelisoa haholo ha ho etsoa li-masterbatches, concentrate ea mebala le metsoako e tlatsitsoeng.
Ho kopanya le ho kopanya polymer:Bokhoni bo matla ba ho kopanya ba mafahla a li-screw extruder bo li etsa tse loketseng ho kopanya le ho kopanya li-polymer tse fapaneng ho fihlela thepa le litšobotsi tse lakatsehang. Bokhoni bona ba ho kopanya bo bohlokoa bakeng sa ho hlahisa motsoako oa polymer ka ts'ebetso e hlophisitsoeng.
Reactive Extrusion:Li-extruder tse peli tsa "twin screw" li loketse hantle bakeng sa ho sebetsa ka mokhoa o ts'oanelang, joalo ka polymerization, grafting le degradation, ka lebaka la bokhoni ba tsona ba ho kopanya hantle le ho fetisa mocheso.
Lenane la Mabaka:
Twin Screw Extruder:Mofuta oa extruder o sebelisang likurufu tse peli tse intermeshing ho fetisa, ho kopanya le ho qhibilihisa lipolima.
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.
Phetisetso e Ntle ea Phalliso:Mochine o tsamaisang thepa o netefatsang phallo e tsitsitseng le e se nang pulsation.
Shear Forces:Matla a bakang deformation le phallo ea thepa.
Homogenization:Mokhoa oa ho theha motsoako o ts'oanang oa likarolo tse fapaneng.
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.
Qetello
Li-fin screw extruderse fetotse ts'ebetso ea polymer ka ho fana ka mokhoa o feto-fetohang le o sebetsang oa ho sebetsana le thepa, ho kopanya le ho qhibiliha. Tlhophiso ea bona e ikhethang, e khetholloang ka li-screws tsa intermeshing, phetisetso e ntle ea phetisetso, le phetisetso e nepahetseng ea mocheso, e ba nolofalletsa ho ipabola mefuteng e mengata ea lits'ebetso, ho kenyelletsa le polasetiki le ho kopanya, ho kopanya polymer le alloying, le extrusion e sebetsang. 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 "twin screw 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