Theko ea mochini oa pelletizer oa PE PP
Tlhaloso
Mochini oa pelletizer oa polasetiki ke mokhoa oa ho fetola lipolasetiki hore e be li-granules.Ha e sebetsa, polymer melt e arotsoe ka lesale la likhoele tse phallang ka annular ho kena ka kamoreng ea ho itšeha e tletseng metsi a ts'ebetso.Hlooho e pota-potileng ka har'a metsi e khaola likhoele tsa polymer ho li-pellets, tse fetisetsoang hang-hang ka kamoreng ea ho itšeha.
Semela sa polasetiki sa pelletizing se ka etsoa e le se le seng (mochini o le mong feela oa extrusion) le tlhophiso ea mekhahlelo e habeli (mochini o le mong oa mantlha oa extrusion le mochini o le mong o monyane oa bobeli oa extrusion).
"Hot Cut" metsi-ring-ring die face pelletizing le "Cold Cut" mekhoa ea strand pelletizing e fumaneha ho latela khetho ea hau.
Melt pelletizing (hot cut): Qhibiliha e tsoa lefing le batlang le khaoloa hanghang ka li-pellets tse fetisoang le ho pholile ka mokelikeli kapa khase;
Strand pelletizing (sehiloeng se batang): Ho qhibiliha ho tsoa hloohong ho fetoloa likhoele tse khaotsoeng ka li-pellets ka mor'a ho pholile le ho tiisa.
Re ka u etsetsa mochini o motle oa pelletizer ka theko e ntle ea mochini oa pelletizer.
Lintlha
Yuniti ea komporo
Motsoako oa li-blade tse potolohang ka lebelo le phahameng le li-blade tse emeng li potlakisa lebelo la ho kopanya le ho tsamaisa thepa ho li-scruder screws.
Setsi sa Extruder
Sesebelisoa se ikhethileng sa screw extruder se kentsoeng ho qhibilihisa thepa e kentsoeng pele ka bonolo.
Lithako tsa polasetiki li tla qhibiliha hantle, li entsoe ka polasetiki ka har'a extruder.
Moqomo o phahameng o sebetsang hantle le screw e sebelisetsoang extruder e nang le sephetho se setle sa polasetiki le matla a phahameng a tlhahiso, e amohela lisebelisoa tse phahameng tsa alloy ho netefatsa bophelo ba ts'ebeletso ea makhetlo a 1.5 ho e tloaelehileng.
Setsi sa ho hloekisa
Ka sistimi e nang le likarolo tse peli tsa vacuum degassing, li-volatile tse ngata li ka tlosoa ka katleho, haholo-holo filimi e hatisitsoeng e boima le thepa e nang le metsi a itseng.
Sefe
Mofuta oa poleiti, mofuta oa pistion le filthara ea mofuta oa othomathike oa ho itlhoekisa, Khetho e fapaneng ho ea ka litaba tse sa hloekang ka thepa le tloaelo ea moreki.
Setlhopha sa mofuta oa Plate se na le litšenyehelo tse tlase ebile se bonolo ho se sebelisa se sebelisoang haholo bakeng sa thermoplastic e tloaelehileng joalo ka tloaelo
tharollo ea ho sefa.
Pelletizer ea selikalikoe sa metsi
Ho fokotsa lebelo la pelletizer e laoloang ka bo eona ke PLC ho latela khatello ea hlooho ea lefu, e ka fihlelang boholo bo lekanang bakeng sa li-pellets tse hlahisoang.
Li-blades tsa pelletizer touch to die plate ka boiketsetso ka sistimi ea pneumatic, etsa bonnete ba hore li-blades
ho kopana le poleiti ea die hantle, ho bonolo ho sebetsa le ho qoba ho senya.
Lintlha tsa Tekheniki
| Mofuta | KCP80 | KCP100 | KCP120 | KCP140 | KCP160 | KCP180 | |
| Bokhoni(kg/h) | 150-250 | 300-420 | 400-600 | 600-750 | 800-950 | 1000-1200 | |
| Tšebeliso ea matla (kWh/kg) | 0.2-0.33 | 0.2-0.33 | 0.2-0.33 | 0.2-0.33 | 0.2-0.33 | 0.2-0.33 | |
| Sekontiri | Bolumo(L) | 300 | 500 | 800 | 1000 | 1200 | 1400 |
| Matla a Motlakase(kw) | 37-45 | 55-75 | 75-90 | 90-132 | 132-160 | 160-185 | |
| Extruder | Screw Diameter(mm) | φ80 | φ100 | φ120 | φ140 | φ160 | φ180 |
| L/D | 30-40 | 30-40 | 30-40 | 30-40 | 30-40 | 30-40 | |
| Matla a motlakase(kw) | 55-75 | 90-110 | 132-160 | 160-200 | 250-315 | 315-355 | |
| Sefe (likgetho) | Mofuta oa poleiti ea maemo a mabeli | ● | ● | ● | ● | ● | ● |
| Mefuta e 'meli ea mofuta oa piston | ○ | ○ | ○ | ○ | ○ | ○ | |
| Mofuta oa piston oa mokokotlo | ○ | ○ | ○ | ○ | ○ | ○ | |
| Mofuta o ikemetseng oa ho itlhoekisa | ○ | ○ | ○ | ○ | ○ | ○ | |
| 2nd Extruder(boikhethelo) | Screw Diameter(mm) | φ100 | φ120 | φ150 | φ150 | φ180 | φ200 |
| L/D | 10-18 | 10-18 | 10-18 | 10-18 | 10-18 | 10-18 | |
| Matla a motlakase(kw) | 37-45 | 45-55 | 55-75 | 75-90 | 90-110 | 110-160 | |
| Downstream(dikgetho) | Pelletizer ea selikalikoe sa metsi | ● | ● | ● | ● | ● | ● |
| Strand pelletizer | ○ | ○ | ○ | ○ | ○ | ○ | |
| Pelletizer ea strand e ikemetseng | ○ | ○ | ○ | ○ | ○ | ○ | |
| Pelletizer ka tlas'a metsi | ○ | ○ | ○ | ○ | ○ | ○ | |
● maemo a ○ a tloaelehileng