PET Pelletizing Imashini

Imashini ya PET pelletizing itunganya PET (polyethylene terephthalate) ibikoresho fatizo (bishobora kuba amacupa, icupa ryimyanda, imyanda ihagarika, nibindi) binyuze murukurikirane rwibikorwa, hanyuma amaherezo ikabitunganya mubice byera kandi byuzuye PET ikoreshwa neza (rPET). Ibi bice nibikoresho byingenzi mubikoresho byo gukora ibicuruzwa nka polyester staple fibre, impapuro, preforms, hamwe nu mukandara wo gupakira.

Intego yacyo nyamukuru ni ugutunganya, kweza, no guhuza imyanda cyangwa ibikoresho bya PET bidahinduwe kugirango bibe byakoreshwa mu musaruro w’inganda, kikaba ibikoresho byingenzi biganisha ku bukungu buzenguruka kuri PET.

 

PET pellet

 

PET pellet

PET pellet

PET pellet

Imashini yuzuye ya PET pelletizing isanzwe igizwe na sisitemu zikurikira:

1. Sisitemu yo kuvura mbere ningirakamaro mugusukura ibikoresho bitunganyirizwa, cyane cyane ibice by'icupa.

· Imashini ikuraho ibirango: ikuraho ibirango (cyane cyane ibikoresho bya PVC cyangwa PE) hamwe nimpeta yumucupa kumubiri wicupa.

· Crusher: Kumenagura amacupa yose cyangwa ibice binini byimyanda muri Flakes yubunini runaka.

Imashini imesa ishyushye: Ukoresheje igisubizo gishyushye cya alkaline isukura, ikuraho neza umwanda winangiye nkamavuta, kole, namavuta.

Imashini isukura ubuvanganzo: ukoresheje - umuvuduko mwinshi hagati y'ibikoresho n'ibikoresho, ndetse no hagati y'ibikoresho, kugirango ukureho kandi ukureho ibisigazwa bisigaye bifatanye hejuru y'amabati.

· Ikigega kireremba / ikigega cyo gutandukanya kureremba: Gukoresha ubucucike butandukanye bwa PET, PVC, amacupa (PP / PE), nibindi, gutandukana bigerwaho binyuze mumazi (PET irohama hasi, PVC na PE bireremba hejuru).

· Koza imashini: Koresha amazi meza kugirango woge nyuma kugirango urebe neza isuku y'ibicupa.

Imashini itanga umwuma: Centrifuge yo hejuru - yihuta ikoreshwa kugirango ikureho ubuhehere kumacupa isukuye, bigabanye gukoresha ingufu zumye nyuma.

Sisitemu yo kumisha: Mubisanzwe, icyuma gishyushye gikoreshwa mugukuraho neza amazi yo hejuru hamwe namazi ya kristaline kumacupa.

2. Sisitemu ya Extrusion ni "umutima" wumurongo wa granulation, ishinzwe gushonga no guhindagura PET ikomeye.

· Hopper n'ibiryo: bihamye kandi bihuje kugaburira urupapuro rwa PET cyangwa ifu yumye muri extruder.

· Extruder: Ibikoresho byingenzi, cyane cyane impanga - screw extruders (ubwoko bumwe bwa meshing ubwoko). Ibyiza byayo biri:

· Kuvanga bihebuje no kwikorera - ubushobozi bwo gukora isuku: bushobora guhuza ibikoresho byose hamwe no gushushanya amabara.

· Igikorwa cyiza cya devolatilisation: Binyuze ku cyambu cya vacuum, ubuhehere hamwe n’umwanda muto wa molekile mu gushonga bikururwa neza, akaba ari urufunguzo rwo kwemeza ubwiza bw’imbere (agaciro ka IV) ka PET.

· Gushonga gushungura: ikintu cyingenzi cyane. Byakoreshejwe mu kuyungurura ibintu bito bito (nka karbide, ibice byumucanga, imyanda, nibindi) mumashanyarazi. Igabanyijemo:

· Gukomeza umukandara uhoraho: umusaruro ntuhagarara, gusimbuza mu buryo bwikora filteri ya ecran, gukora neza, ni amahitamo nyamukuru.

· Isahani yubwoko bwa ecran ihindura: isaba intoki cyangwa hydraulic ya ecran nyuma yo guhagarika, ikwiranye na ssenariyo hamwe nibisohoka bito cyangwa ibisabwa bike.

3. Sisitemu ya Pelletizing ikonjesha umurongo ushongeshejwe ukayicamo pellet.

· Gupfa umutwe: Kuramo inshuro nyinshi PET gushonga imirongo myiza.

· Ikigega cy'amazi gikonjesha: Hisha vuba kandi ushimangire umurongo ushongeshejwe mumazi kugirango wirinde gufatana.

· Dehydrator / umufana: ikuraho ubuhehere hejuru yumurongo - ibintu bimeze.

· Granulator: Kata imirongo yumye mubice bya silindrike yubunini bumwe.

4. Sisitemu yo gutunganya

· Kunyeganyega kwa ecran: Tandukanya imirongo miremire, ibice byajanjaguwe, hamwe nuduce twujuje ibyangombwa biva mubice kugirango tumenye ibice bimwe.

· Kurangiza ibicuruzwa bikonje no gupakira: Nyuma yo gukonjesha, ibice bipakirwa mumifuka ya toni cyangwa mumifuka.

5.

1. Kuma na pre-kristalisation: PET ni ibikoresho bya hygroscopique na polymer kristaline. Niba ubuhehere buri mu bikoresho fatizo ari byinshi, iyangirika rya hydrolysis rizabaho mugihe cyo gushonga, bikaviramo kuvunika urunigi, kugabanuka gukabije kwijimye ryimbere (agaciro ka IV), nibicuruzwa bikavunika. Niyo mpamvu, birakenewe kugabanya ubuhehere bugera munsi ya 50ppm (0.005%) binyuze mukuma cyane.

2. Kugenzura ibibyimba byimbere (agaciro ka IV): Agaciro IV nigipimo cyibanze cyo gupima uburemere bwa molekile nubwiza bwa PET.

· Gutesha agaciro: Ubushuhe, ubushyuhe bukabije, hamwe nigihe kinini cyo gutura birashobora gutuma igabanuka ryagaciro rya IV.

· Kubyimba: Agaciro ka IV karashobora kongerwa binyuze muburyo bukomeye - leta ya polymerisiyasi (SSP), ariko mubisanzwe ni "umurongo wimbitse" kandi ntabwo uri mubyiciro byumurongo wibanze. Intego yumurongo wibanze wa granulation nugukora cyane kugumana agaciro ka IV yibikoresho fatizo.

3. Kwiyungurura neza: Ingano ya mesh ya filteri igena neza ubwiza bwibice byarangiye kandi ni ikimenyetso cyingenzi cyo gutandukanya ibicuruzwa biri hejuru na bike - ibicuruzwa byanyuma. Ibicuruzwa byanyuma birasaba gukoresha meshi yo hejuru yo kuyungurura kugirango uyungurure neza.

Ukurikije ibisabwa bitandukanye kubikoresho nibicuruzwa, bigabanijwemo cyane:

· Gusukura amacupa n'umurongo wa granulation: ahanini bikoreshwa mugutunganya imyanda amacupa yamazi ya PET, hamwe nibikorwa birebire kandi bigoye, kandi intandaro iri muburyo bwo gukora isuku no gutandukanya.

· PET imyanda ya silk / imyanda ihagarika granulation umurongo: Ibikoresho fatizo birasa neza, inzira ni ngufi, kandi icyibandwaho ni ugushonga, kuyungurura, no kubana.

· PET / PE igizwe nibikoresho byo gutandukanya granulation umurongo: Ingorabahizi ya tekinike ni ndende, kandi ikoreshwa mugutunganya ibikoresho byo gupakira PET / PE (nk'amacupa y'abana), bisaba igishushanyo mbonera cyihariye kugirango ugere kubitandukanya na polymers ebyiri.

Ibice bya PET byakozwe bikoreshwa cyane muri:

Inganda za fibre chimique: Gukora polyester staple fibre yo kuzuza ibikoresho, bitari - imyenda iboshye, itapi, imyenda, nibindi.

Inganda zipakira: gukora impapuro zipakurura ibiryo, impapuro zashizweho na vacuum, kaseti zipakira, nibindi.

Inganda zikora inshinge: gukora ibice bitandukanye byinganda.

· Urupapuro n'ikibaho: Byakoreshejwe mugukora imbaho ​​zinganda.

Hamwe niterambere ryikoranabuhanga, ibice bya rPET birashobora kuba byujuje ubuziranenge bwibiribwa hifashishijwe uburyo bwimbitse bwogukora isuku no kweza mu kongera gukora amacupa y’ibinyobwa, bizwi ku izina rya "icupa kugeza ku icupa", ubu bikaba ari urwego rwo hejuru kandi rugenda rwiterambere ry’inganda.

Muncamake, imashini ya PET pelletizing ni sisitemu igoye ihuza imashini, imashini yubuhanga, hamwe no kugenzura ibyikora. Urwego rwikoranabuhanga rugena mu buryo butaziguye ubuziranenge n’agaciro k’ibicuruzwa bya PET byongeye gukoreshwa, kandi ni ibikoresho by’ibanze mu nganda zitunganya plastike.

PET flakes plastike pelletizing granulator ikoreshwa mubikoresho by'imyanda, ikenera imikorere yo gutunganya cyane yo gushonga, guhindagurika, kuyungurura nibindi, ahanini ikora kumurimo wibikoresho bya PET bisubirwamo kandi re - pelletizing.

PET imashini ya granulatrice hamwe nubuhanga mpuzamahanga bugezweho bwo gutunganya ibicuruzwa kandi bigahuzwa nuburyo bukoreshwa. Iyi mashini ya PET ya granulatrice yakozwe muburyo bwihariye bwo gutunganya ibishishwa bya pulasitiki byogejwe byongeye gutunganywa PET ya plastike / ibisakuzo, nka Cola icupa rya plastike ya plaque / ibisakuzo, amacupa y’amazi meza asukuye / ibisakuzo, urupapuro rwa PET rwuzuye / ibisakuzo, PET yo kunywa icupa / ibisakuzo nibindi.

Nyuma yo gutunganya tekinike nko kugaburira, gushyushya, gushonga, gukonjesha, gukama, gukata nibindi, ibicuruzwa byanyuma ni PET ya pellet / granules ishobora kuba kubyara ibicuruzwa bishya bya PET.

Imashini ikozwe mubyuma byo hejuru 38 CrMoALA cyangwa W6Mo5Cr4V2. Imashini idasanzwe ihuza Euro - yuburyo bw'urukiramende, umuyoboro wa firigo ya reflux wateguwe neza kandi urajugunywa, ibyo bigatuma ubushyuhe butandukanye mubice D bito. Co - kuzunguruka Twin Screw Extruder hamwe na Gearbox yo hejuru. Bitewe numuyoboro mwinshi wa garebox, Umuyoboro wihariye wa garebox ni 10.3 Nm / cm3, Turashobora rero gutunganya PET muri temp yo hasi & umuvuduko wo hasi, ariko ibisohoka cyane.

Igishushanyo gishya cyo gushyushya - uburyo bukomeye bwishingira uburyo bwiza bwo guhererekanya ubushyuhe no kuramba cyane.

Ibikoresho bikoreshwa mu cyuma cyiza cya nitride, ibyuma byangirika cyangwa birwanya antifriction hamwe na tekinoroji yatunganijwe idasanzwe yashizweho ibice bibiri bya vacuum. Sisitemu ya vacuum ikoreshwa mugukuraho ubushuhe & ibintu bihindagurika muri PET. Irateranijwe hamwe na pompe vacuum & ikigega cyo gukusanya. Hamwe na PLC na HMI igenzura kugirango uhuze, uzabona urwego rwa vacuum ruri munsi ya 0.3Kpa. Yegereye cyane icyuho cyanyuma. Uzabona PET hamwe na IV igabanuka munsi ya 5%, ni nka 0.05dl / g.

Ibikoresho byatoranijwe byo gutwara ibice birasobanutse, harimo super super alloy, ibyuma bya sima, sima hamwe no gusya.

Sisitemu Nshya Munsi ya Water Strand Pelletizing Machine sisitemu: Umugozi ujya muri pelletizer kumazi atemba, niyo umugozi wacitse mugihe cyo guhindura akayunguruzo, nta myanda izaba imaze gutangira.

Turashobora kugenzura ubushyuhe bwa pellet zanyuma. Turashobora kuyishyushya, niba ushaka korohereza pellet yanyuma. Bizabika imbaraga zo gushyushya pellet.

Ibirangantego: imashini itunganyiriza amatungo, Ubushinwa ibikoko byo gutunga imashini, abatanga, uruganda