I-Extruder Eyindilinga Yesikulufa Esiyindilinga: Incazelo Yenqubo Yomkhiqizo

A i-extruder yesikulufu esiphindwe kabili esiyindilingauhlobo lwe-extruder yezikulufo ezimbili olunezikulufo ezimbili ezihlelwe ngesimo esiyindilinga, zincipha ziye ekugcineni kokukhipha kwe-extruder. Lo mklamo unikeza ukwehla kancane kancane kwevolumu yesiteshi sezikulufo, okuholela ekucindezelweni okwandisiwe kanye nokuhlanganiswa okuthuthukisiwe. I-extruder yezikulufo ezimbili eziyindilinga yakhiwe kakhulu yi-barrel screw, uhlelo lokudlulisa amagiya, ukudla okunobungani, i-vacuum exhaust, ukushisa, ukupholisa kanye nezingxenye zokulawula zikagesi.

I-extruder ye-conical twin screw ifaneleka ukukhiqiza imikhiqizo ye-PVC kusuka ku-mixed powder. I-PVC iyi-polymer ye-thermoplastic enezinhlelo zokusebenza eziningi ezimbonini ezahlukene, njengokwakha, ukupakisha, kagesi, izimoto, kanye nezokwelapha. Kodwa-ke, i-PVC ayihambisani namanye ama-polymer amaningi kanye nezithasiselo, futhi idinga amasu okucubungula akhethekile ukuze kufezwe izakhiwo kanye nokusebenza okufiselekayo. I-extruder ye-conical twin screw ingahlinzeka ngokuxuba, ukuncibilikisa, ukudiliza, kanye nokuhlanganisa okudingekayo kwe-PVC kanye nezithasiselo zayo ngendlela eqhubekayo nephumelelayo.

I-extruder ye-conical twin screw nayo iyimishini ekhethekile ye-WPC powder extrusion. I-WPC imele i-wood-plastic composite, okuyizinto ezihlanganisa imicu yezinkuni noma ufulawa wezinkuni nama-polymer e-thermoplastic, njenge-PVC, i-PE, i-PP, noma i-PLA. I-WPC inezinzuzo zombili zokhuni kanye nepulasitiki, njengokuqina okuphezulu, ukuqina, ukumelana nesimo sezulu, kanye nokuphindeka kabusha. I-extruder ye-conical twin screw extruder ingacubungula i-WPC powder ngokukhipha okuphezulu, ukusebenza okuzinzile, kanye nokuphila isikhathi eside kwenkonzo.

Ngemishini ehlukene yokubumba kanye neyasezansi, i-extruder enezikulufo ezimbili ezijiyile ingakhiqiza imikhiqizo ehlukahlukene ye-PVC kanye ne-WPC, njengemipayipi, ophahleni, amaphrofayili amafasitela, ishidi, i-decking, kanye nama-granule. Le mikhiqizo inezimo, osayizi, kanye nemisebenzi ehlukene, futhi ingahlangabezana nezidingo ezahlukahlukene zamakhasimende kanye nezimakethe.

Incazelo Yenqubo

Inqubo yokukhipha izikulufo ezimbili ezisontekile ingahlukaniswa ngezigaba ezine eziyinhloko: ukuphakelwa, ukuncibilikiswa, ukuqedwa, kanye nokubumba.

Ukondla

Isigaba sokuqala sokukhishwa kwezikulufo ezimbili ezisontekile kudla. Kulesi sigaba, izinto zokusetshenziswa, njenge-PVC noma i-WPC powder, nezinye izithasiselo, njengeziqinisi, izinto zokugcoba, izigcwalisi, ama-pigment, kanye neziguquli, zilinganiswa futhi zifakwe ku-extruder ngamadivayisi ahlukene okuphakelayo, njenge-screw augers, amathreyi okudlidliza, amabhande okulinganisa, kanye namaphampu okujova. Izinga lokuphakela kanye nokunemba kuyizinto ezibalulekile ezithinta ikhwalithi kanye nokuvumelana kwemikhiqizo yokugcina. Izinto zokusetshenziswa zingaxutshwa kusengaphambili futhi ziphakelwe, noma zilinganiswe ngokwehlukana nangokulandelana ku-extruder, kuye ngokwakheka kanye nezakhiwo ezifiselekayo zemikhiqizo.

Ukuncibilika

Isigaba sesibili sokuphuma kwezikulufo ezimbili ezisontekile siyancibilika. Kulesi sigaba, izinto zokusetshenziswa ziyathuthwa, zicindezelwe, futhi zifudunyezwe yizikulufo ezijikelezayo kanye nezifudumezi zemigqomo, futhi ziguqulwe kusukela esimweni esiqinile ziye esimweni soketshezi. Inqubo yokuncibilika ihilela kokubili ukufakwa kwamandla okushisa nawomshini, futhi ithonywa ijubane lesikulufo, ukumiswa kwesikulufo, izinga lokushisa lomgqomo, kanye nezakhiwo zezinto. Inqubo yokuncibilika nayo ibalulekile ekusabalaleni nasekusabalalisweni kwezithasiselo ku-polymer matrix, kanye nokuqala kokusabela kwamakhemikhali, njengokuxhumanisa, ukuhlanganisa, noma ukubola, okungenzeka ekuncibilikeni. Inqubo yokuncibilika kumele ilawulwe ngokucophelela ukuze kugwenywe ukushisa ngokweqile, ukucheba ngokweqile, noma ukuncibilika ngaphansi kwezinto, okungaholela ekhwalithini nasekusebenzeni okubi komkhiqizo.

Ukuqothulwa

Isigaba sesithathu sokuphuma kwezikulufo ezimbili ezisontekile yi-devolatilization. Kulesi sigaba, izingxenye eziguquguqukayo, njengomswakama, umoya, ama-monomers, izinyibilikisi, kanye nemikhiqizo yokubola, zisuswa ekuncibilikeni ngokusebenzisa i-vacuum ezimbotsheni zomoya eduze komgqomo we-extruder. Inqubo yokuncibilikisa ibalulekile ekuthuthukiseni ikhwalithi yomkhiqizo kanye nokuzinza, kanye nokunciphisa umthelela wemvelo kanye nezingozi zempilo zenqubo yokuncibilikisa. Inqubo yokuncibilikisa incike ekwakhiweni kwezikulufo, izinga le-vacuum, i-viscosity yokuncibilikisa, kanye nezici zezinto ezibonakalayo. Inqubo yokuncibilikisa kumele ilungiselelwe ukuze kufezwe ukususwa okwanele kwezikulufo ngaphandle kokubangela ukugqwala ngokweqile, ukukhukhula kwemimoya, noma ukuwohloka kokuncibilikisa.

Ukubumba

Isigaba sesine nesokugcina sokuphuma kwezikulufo ezimbili ezisontekile siyabunjwa. Kulesi sigaba, ukuncibilika kukhishwa ngedayi noma isikhunta esinquma ukuma nobukhulu bomkhiqizo. Idayi noma isikhunta kungaklanywa ukukhiqiza imikhiqizo ehlukahlukene, njengemipayipi, amaphrofayili, ishidi, ifilimu, noma ama-granules. Inqubo yokubumba ithonywa yi-geometry yedayi, ingcindezi yedayi, izinga lokushisa ledayi, kanye ne-rheology yokuncibilika. Inqubo yokubumba kumele ilungiswe ukuze kufezwe ama-extrudates afanayo futhi abushelelezi ngaphandle kwamaphutha, njengokukhukhumala kwedayi, ukuqhekeka kwedayi, noma ukungazinzi kobukhulu. Ngemva kwenqubo yokubumba, ama-extrudates ayapholiswa, asikwe, futhi aqoqwe yimishini engezansi, njenge-calibrators, i-haul-offs, i-cutters, kanye ne-winders.

Isiphetho

I-extruder ye-conical twin screw iyithuluzi elisebenziseka kalula nelisebenzayo lokukhiqiza imikhiqizo ye-PVC ne-WPC kusuka ku-powder exubile. Ingahlinzeka ngemisebenzi edingekayo yokondla, ukuncibilikisa, ukudiliza, kanye nokubumba ngendlela eqhubekayo nelawulwayo. Ingakhiqiza futhi imikhiqizo ehlukahlukene enezimo, osayizi, kanye nemisebenzi ehlukene, ngokusebenzisa imishini ehlukahlukene yokubumba kanye neyomfula. I-extruder ye-conical twin screw inezinzuzo zokuhlanganiswa okuhle, umkhiqizo omkhulu, ukusebenza okuzinzile, kanye nokuphila isikhathi eside kwenkonzo, futhi ingahlangabezana nezidingo ezahlukahlukene zamakhasimende kanye nezimakethe.

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