Ababikora babona iterambere rikomeye murigranulatorisoko, cyane cyane muri Amerika ya ruguru no muri Aziya-Pasifika. Twin-screw moderi ikora imirimo igoye kandi izamura ubuziranenge bwibicuruzwa. Imashini imwe-imwe ikora neza hamwe nibikoresho bisanzwe. Benshi bakoresha imashini ibumba inshinge, imashini ya thermostat, naimashini itunganya ibintun'imashini zibumba plastike.
Ibyingenzi
- Twin-screw granulators nziza cyane mugukoresha ibikoresho bigoye hamwe nubunini bwinshi, bitanga kuvanga neza, kugenzura ubushyuhe, hamwe nubwiza bwibicuruzwa, bigatuma biba byiza kuriinganda zateye imbere no gutunganya ibicuruzwa.
- Imashini imwe ya granulators itanga ikiguzi-cyoroshye, igisubizo cyoroshye cyo gutunganya plastiki zisanzwe hamwe no gukenera bike, bikwiranye nibikorwa bito-bito cyangwa bitoroshye.
- Guhitamo granulator ikwiyebiterwa nubwoko bwibikoresho, ingano yumusaruro, na bije; koresha umurongo ngenderwaho kugirango uhuze ibyo ukeneye nibintu bya granulator kugirango bikore neza kandi byiza.
Kugereranya Plastike Granulator: Twin-screw na screw-screw
Itandukaniro ryimikorere
Iyo ababikora bareba imikorere, babona itandukaniro rinini hagati ya twin-screw na screw imwegranulators. Moderi ya Twin-screw ikoresha gusohora ku gahato, bivuze ko basunika ibikoresho hamwe nubugenzuzi bwinshi. Izi mashini zitanga ubushyuhe buke buturutse ku guterana amagambo, bityo zikora neza hamwe na plastiki itumva ubushyuhe. Twin-screw granulators nayo itanga plastike nziza, kuvanga, no kwisukura. Imashini imwe ya granulators yishingikiriza ku gusohora bisanzwe kandi ikunda gukora cyane. Bakorana neza nibikoresho rusange kandi bafite umuvuduko mwinshi kandi neza, ariko ibikorwa byabo byo kuvanga no gusohora ntabwo byateye imbere.
| Ibipimo by'imikorere | Twin-Screw Granulator | Imashini imwe |
|---|---|---|
| Ubwoko bwa Extrusion | Gusohora ku gahato | Gusohora bisanzwe |
| Ubushuhe | Bitanga ubushyuhe buke kubera guterana amagambo | Amashanyarazi menshi |
| Igipimo cyogosha | Igipimo gito cyogosha, ugereranije icyogosho kimwe | Igipimo cyo hejuru |
| Imikorere ya plastike | Ibyiza bya plastike, cyane cyane kuri rubber ivanze | Imikorere rusange ya plastike |
| Kugenzura Ubushyuhe | Kugenzura ubushyuhe bwikora | Mubisanzwe intoki cyangwa igenzura rito |
| Umwuka | Ibikoresho bya vacuum | Mubisanzwe ntabwo bifite ibikoresho |
| Kuvanga no Kurangiza Imikorere | Kuvanga cyane, kunaniza, reaction, nibikorwa byo kwisukura | Ibikorwa bike byo kuvanga no kunaniza imikorere |
| Gutanga Ubushobozi | Ubushobozi bunini bwo gutanga | Ubushobozi buke bwo gutanga |
| Kurenza urugero | Ingano ihamye yo gukuramo | Ingano idahwitse yo gukuramo |
| Igihe cyo gutura | Umwanya muremure wo gutura muri barrale | Igihe gito cyo gutura |
| Guhuza n'imihindagurikire y'ikirere | Guhuza n'imihindagurikire y'ikirere, bikwiranye n'ibikoresho bitarwanya ubushyuhe no kuvanga | Bikwiranye nibikoresho rusange |
| Ubwoko bwibicuruzwa | Bikwiranye na tebes, amasahani, ibicuruzwa bidasanzwe | Ahanini ibicuruzwa biva hanze |
| Umuvuduko no gukora neza | Mubisanzwe umuvuduko muke ariko ubuziranenge bwo hejuru no guhuza n'imihindagurikire | Umuvuduko mwinshi kandi neza |
| Ubwoko | Ubwoko butandukanye burimo meshing / non-meshing, parallel / conical, icyerekezo gitandukanye | Ubwoko butandukanye bwa screw zihariye kubikorwa bitandukanye |
| Inzira y'Iterambere | Wibande kumikorere igezweho, ituze, no guhuza n'imihindagurikire | Wibande ku muvuduko mwinshi, gukora neza, kandi wihariye |
Guhuza Ibikoresho
Guhuza ibikoresho bigira uruhare runini muguhitamo icyuma gikora neza. Twin-screw granulators ikora ibikoresho bigoye, ivanga, na plastiki hamwe ninyongeramusaruro cyangwa ibyuzuye. Bakorana neza na polimeri-yubushyuhe. Imashini imwe ya granulators ifite igishushanyo cyoroshye kandi igiciro gito. Bikwiranye na plastike zitandukanye, harimo na termoplastike hamwe na plastiki ya termosetting, ariko barwana nibikoresho bivanze cyangwa byanduye.
| Ubwoko bwa Extruder | Ibiranga | Ibiranga | Porogaramu |
|---|---|---|---|
| Umugozi umwe | Umuyoboro umwe uzunguruka muri barrale gusunika no gushonga plastike | Igishushanyo cyoroshye, gihenze, cyoroshye kubungabunga | Birakwiriye muburyo butandukanye bwa plastiki zirimo thermoplastique na plastike ya termosetting; ikoreshwa kuri imyirondoro, imiyoboro, impapuro, firime |
| Impanga | Imiyoboro ibiri ihuza izenguruka mu cyerekezo gitandukanye ikora ibikorwa byo gukata | Kuvanga cyane no gutatanya; ikora ubushyuhe-bworoshye na polimeri-yoroheje; kugenzura neza igihe cyo gutura nigipimo cyogosha | Ikoreshwa muguhuza, gukuramo reaction, kuvanga polymer, devolatilisation; bikwiranye na plastiki hamwe ninyongeramusaruro, ibyuzuza, ibice bikora |
Impanuro: Niba umusaruro wawe urimo plastiki yongeye gukoreshwa cyangwa kuvanga ibintu, granulators ya twin-screw itanga guhuza neza no kuvanga.
Ingano yumusaruro nubushobozi
Ingano yumusaruro nubushobozi birashobora gukora cyangwa guhagarika inzira yo gukora. Twin-screw granulators itanga igipimo cyinshi cyo kwinjiza, akenshi igera kuri 90 kugeza 1000+ kumasaha. Zifata neza cyane kandi zuzuyemo ibintu byoroshye. Imashini imwe ya granulators ikora mubushobozi buke, mubisanzwe hafi kg 100 kugeza 500 kumasaha. Bikwiranye no gufata neza nibikoresho bisukuye ariko bikagabanuka hamwe na masterbatch ikomatanya cyangwa plastike yo hejuru cyane.
| Ubwoko bwa Extruder | Urutonde rwinjiza (kg / h) | Ibiranga ibikoresho |
|---|---|---|
| Twin-Screw Extruders | 90 - 1000+ | Ibicuruzwa byinshi, kuvanga neza, bikora neza cyane hamwe nibintu byuzuye, bikwiranye no guhuza ibihangano hamwe nibikoresho bigoye |
| Umuyoboro umwe | 100-500 | Bikwiranye no kwitonda neza, ibikoresho bisukuye cyangwa bitagoranye, ntabwo ari byiza kubwiza bwinshi cyangwa guhuriza hamwe |
Abahinguzi bakeneye gutunganya ubunini bunini cyangwa ibikoresho bigoye akenshi bahitamo granulators ya twin-screw kugirango yihute kandi ihindagurika.
Ibiciro
Igiciro buri gihe nikintu gikomeye. Imashini imwe ya plasitike ya granulators igura make imbere. Ibiranga Ubushinwa biri hagati ya 15,000 na 30.000 $, mugihe imideli yuburayi igura inshuro ebyiri kugeza kuri eshatu. Twin-screw granulators itangirira ku $ 30.000 kandi irashobora kugera ku $ 80.000 kubirango byabashinwa. Moderi yo mu Burayi yo mu rwego rwo hejuru irashobora kugura $ 300,000. Kubisanzwe bya PP / PE, imashini imwe-imwe ibika 30% -50% mugiciro cyambere. Moderi ya Twin-screw ikundwa kuri plastiki yubuhanga cyangwa ibikoresho byuzuye.
| Ubwoko bwa Granulator | Intara | Igiciro cyambere cyo kugura (USD) | Icyitonderwa / Urwego |
|---|---|---|---|
| Umugozi umwe | Ibiranga Ubushinwa | $ 15,000 - $ 30.000 | Ibirango byaho, 100-300 kg / h ubushobozi |
| Twin-screw | Ibiranga Ubushinwa | $ 30.000 - $ 80.000 | Ibirango byaho, ubushobozi buhanitse kandi bugoye |
| Umugozi umwe | Ibiranga Uburayi | Hafi inshuro 2-3 ibiciro byubushinwa | Yerekana neza kandi irambye |
| Twin-screw | Ibiranga Uburayi | Hafi inshuro 2-3 ibiciro byubushinwa | Moderi yo mu rwego rwo hejuru yaguzwe hagati ya 800.000-2,000,000 (~ $ 120,000- $ 300,000) |
Amafaranga yo gukora igihe kirekire avuga inkuru itandukanye. Imashini imwe ya granulators ifite amafaranga make yo kubungabunga kubera igishushanyo cyayo cyoroshye. Twin-screw granulators bisaba amafaranga menshi yo kubungabunga ariko kuzigama amafaranga mugihe cyo kunoza imikorere, kugabanya igipimo cyakuweho, no kuzigama ingufu. Imashini ikoresha ingufu muburyo bwa twin-screw irashobora kugabanya ibiciro byakazi kugeza kuri 22% mugihe cyimyaka itanu.
Ibisabwa Kubungabunga
Kubungabunga birashobora kugira ingaruka kumasaha no gutanga umusaruro. Imashini imwe ya pulasitike ya pulasitike iroroshye kubungabunga. Igishushanyo cyabo cyoroshye gisobanura kugabanuka no kugiciro gito. Twin-screw granulators ikeneye kwitabwaho cyane. Ibibazo bisanzwe birimo gukata no kuraro, cyane hamwe nibikoresho byo gushonga. Ubushyuhe bwo hejuru burashobora gutuma ibintu biguma imbere muri silo yo kugaburira. Abakoresha barashobora kubikemura mugabanya ubushyuhe muri zone ya mbere.
| Ikibazo cyo Kubungabunga | Impamvu | Ibisubizo |
|---|---|---|
| Imiyoboro ikora ariko ntisohoka | Kugaburira guhagarika cyangwa kudahoraho; ibintu by'amahanga bibuza ibiryo byinjira; ibintu by'icyuma muri screw groove | Menya neza ko ugaburira; gukuraho ibintu by'amahanga; funga kandi ukureho ibyuma mubyuma |
| Umuyoboro munini wa moteri muremure cyane | Sisitemu yo kunanirwa; kudahuza ibinyabiziga bya moteri na garebox; moteri / ibizunguruka | Kugenzura buri gihe no gusukura sisitemu yo gusiga; gukurikirana moteri ifite moteri hamwe nibikoresho byubushyuhe |
| Umuyoboro munini wa moteri uri hasi cyane | Kugaburira sisitemu kunanirwa bitera screw idakora | Reba kandi usibe ibibujijwe muri sisitemu yinyongera cyangwa nyamukuru yo kugaburira |
| Nyiricyubahiro ntabwo azunguruka cyangwa guhagarara ako kanya | Imbaraga ntizihujwe; igihe cyo gushyushya kidahagije; kunanirwa gushyushya bitera moteri irenze | Reba umurongo w'amashanyarazi; kugenzura imikorere yubushyuhe nigihe cyo gushyushya; gusana cyangwa gusimbuza ubushyuhe butari bwo |
| Kunanirwa gukuramo | Umuvuduko muto wo gutangira; ubushyuhe bukabije bwa disiki yo guterana no gutondekanya; ibice byo gusaza; umuvuduko muke | Irinde gukoresha ingufu z'amashanyarazi mugitangira; Emera ikiruhuko gihagije; koresha gukonjesha ku gahato niba bikenewe |
| Ibibazo by'imyobo | Umwanda mu bikoresho fatizo; gukuramo imigozi idahwitse kubera kugaburira byihuse; ubushyuhe budahagije bwa plastike | Sukura ibikoresho bibisi; kugabanya umuvuduko wo kugaburira; kongera ubushyuhe bwa plastike |
Icyitonderwa: Twin-screw granulators igaragaramo ubushobozi bwo kwisukura, ifasha kugabanya igihe cyo kugabanya no kongera ubuzima bwibikoresho.
Ubwiza bwibicuruzwa
Ubwiza bwibicuruzwa biterwa no kuvanga, kugenzura ubushyuhe, no gufata ibikoresho. Twin-screw granulators itanga kuvanga no gutatanya. Bakora ubushyuhe-bworoshye na polimer-polimeri neza. Ibi biganisha ku bicuruzwa byujuje ubuziranenge, cyane cyane kuri plastiki yubuhanga, ibishushanyo mbonera, hamwe nuruvange. Imashini imwe ya granulators itanga ibisubizo bihamye hamwe nibikoresho bisanzwe ariko birashobora guhangana na plastiki igoye cyangwa yongeye gukoreshwa. Uburyo bwabo bwo kuvanga buringaniye hamwe nigihe gito cyo gutura bigabanya ubushobozi bwabo bwo gutunganya ibiryo bitandukanye.
- Twin-screw granulators: Kuvanga neza, gusohora neza, kugenzura neza ibicuruzwa.
- Imashini imwe ya granulators: Yizewe kuri plastiki imwe, gukoresha ingufu nke, byiza kubicuruzwa byoroshye.
Ababikora bagamije ubuziranenge bwibicuruzwa byo hejuru kandi byoroshye guhitamo moderi ya twin-screw, cyane cyane kubisabwa.
Ibiranga plastike biranga: Imbonerahamwe kumpande
Ibyingenzi byingenzi ninyungu
Guhitamo uburenganziragranulatorbivuze kureba ibintu byingenzi kuruhande rumwe. Imbonerahamwe ikurikira irerekana uburyo moderi imwe-imwe na twin-screw bigereranya:
| Ikiranga | Imirongo imwe-imwe ya Extruder Ibiranga | Twin-Screw Extruder Ibiranga |
|---|---|---|
| Kugereranya uburebure-kuri-diameter | 7: 1 kugeza 11: 1 (bamwe kugeza 18: 1) | 12: 1 kugeza 16: 1 |
| Kuramo imiterere | Urukiramende | Igice cya Arc |
| Imiterere ya barriel | Barrale hamwe na pinch | Ubuso bwimbere bwimbere |
| Kugenzura ubushyuhe | Byoroshye gukonjesha imbere no kugenzura ubushyuhe | Biragoye gukonjesha no gufunga imbere muri screw |
| Kubungabunga | Ugereranije biragoye | Impuzandengo |
| Igiciro | Igishushanyo cyoroshye, igiciro gito | Biragoye cyane, hafi kabiri ikiguzi |
| Umusaruro | Ibisohoka byo hasi hamwe no kwihuta | Ibisohoka byinshi, gusohora byihuse |
| Kuvanga no gukora plastike | Nibyiza bya plastike no gusohora polymers na granules | Kuvanga neza no guhindagura plastike, nibyiza byo guhindura plastike |
| Uburyo bwo gutanga | Ibikoresho bigenda bivuguruzanya hagati yibintu na barriel | Imbere yohereza hamwe no gusunika no gukata ibikorwa hagati ya screw |
Twin-screw granulatorsuhagarare kubushobozi bwabo bwo kuvanga no gukora plastike. Bakoresha moteri ya servo kugirango babike ingufu kandi batange igenzura ryuzuye. Izi mashini zikora imirimo itoroshye, nko kuvanga plastike zitandukanye cyangwa kongeramo ibyuzuye. Abakoresha basanga byoroshye gukoresha kubera kugenzura ubwenge no kwerekana neza. Moderi ya Twin-screw nayo ikora neza hamwe nubwoko bwinshi bwa resin kandi ifasha kugabanya igihe.
Impanuro: Twin-screw granulators irashobora guhindura umuvuduko mugihe nyacyo, ifasha kugumya gukarisha no kunoza gukata neza.
Ibisanzwe
Ababikora bakoresha granulatrice imwe ya pulasitike yo gutunganya firime, insanganyamatsiko, nibicuruzwa byoroshye bya plastiki. Izi mashini zikora neza hamwe nibikoresho bisukuye, bisanzwe. Twin-screw granulators ikora imirimo igoye. Bavanga polymers hamwe nibyuzuza kugirango bongere ibikoresho bishya byo gupakira, imodoka, ibikoresho byubuvuzi, ndetse nindege. Moderi ya Twin-screw nayo ifasha gutunganya imyanda ya plastike, ikayihindura ibikoresho byujuje ubuziranenge.
- Twin-screw granulators ishyigikira kugaburira byikora, plastike, no kuvanaho ubuhehere.
- Ziruka ubudahwema kandi zizigama ingufu.
- Izi mashini zikora inganda nko gutunganya imiti, gukora plastike, no gutunganya neza.
Amabwiriza yo gufata ibyemezo bya plastiki
Kugenzura Urutonde
Guhitamo iburyogranulatorbiterwa nibintu byinshi. Ababikora akenshi batangira bareba ingano yumusaruro wabo nubwoko bwibikoresho batunganya. Imbonerahamwe ikurikira ifasha guhuza umusaruro ukenewe hamwe na granulator:
| Icyiciro cy'umusaruro | Ibisobanuro | Ibitekerezo byo guhitamo Granulator |
|---|---|---|
| Ingano nto (<100 kg / h) | Laboratoire, gutangira, cyangwa gutunganya uduce duto | Pelletizer ntoya, imikorere yoroshye, gukoresha ingufu nke |
| Hagati (100-500 kg / h) | Hagati yo gutunganya ibiciriritse, gutanga imyanda ihamye | Urwego ruciriritse rwa granulator, igiciro cyuzuye hamwe nubushobozi |
| Ingano nini (> 500 kg / h) | Ibigo binini byo gutunganya, gutunganya imbere | Imashini nini, kugaburira byikora no gupakira |
Ubwoko bwibikoresho nabyo bifite akamaro. Kurugero, firime ya PE / PP ikora neza hamwe na pelletizer ihuriweho ifite icyumba cyegeranye. HDPE cyangwa PP ibikoresho bikomeye bikenera kugaburirwa bihamye hamwe na sisitemu yo kuyungurura neza. PET icupa risaba sisitemu yo kumisha kugirango wirinde kwangirika. Ibikoresho bya PVC bikenera imiyoboro idashobora kwangirika no kugenzura ubushyuhe nyabwo.
Impanuro: Ababikora bagomba gutekereza ku mbaraga za moteri, ingano ya hopper, nubunini bwa ecran kugirango bahuze ibikoresho nibisohoka.
Ibicuruzwa bisanzwe
Ababikora bakoreshatwin-screw granulatorsmubikorwa byinshi bikomeza. Izi mashini zikora imiti ya farumasi, harimo yumye, itose, kandi ishonga. Twin-screw granulators itezimbere ifu nubwiza bwibicuruzwa. Bakora neza kubintu byoroshye kandi byemerera gukurikirana-igihe. Isosiyete irayikoresha mugukora pellet, ibinini, nibicuruzwa byihuta. Moderi ya Twin-screw nayo ifasha murwego rwo hejuru no kwihindura.
Imashini imwe ya granulators ikomeza gukundwa mubikorwa no gutunganya. Igishushanyo cyabo cyoroshye kandi gikoresha neza bikurura ubucuruzi bwifuza kuzigama ingufu no kubungabunga. Izi mashini zitanga ibicuruzwa bihoraho kandi byoroshye gukora. Ibigo byinshi bihitamo granulators imwe-imwe mugihe ikeneye imikorere yizewe no kugabanya ibiciro byimbere.
Icyitonderwa: Inzitizi zibiciro akenshi zitera ababikora guhitamo granulator imwe, cyane cyane iyo bashaka guhuza ishoramari no kuzigama igihe kirekire.
Inama zifatika zo guhitamo plasitike ya plastike
Gusuzuma ibyo ushyira imbere
Guhitamo uburenganziragranulatoritangirana no kumenya icyingenzi kumurongo wawe wo gukora. Buri ruganda rufite ibyo rukeneye bitandukanye, rufasha rero kureba ibintu byingenzi kuruhande. Dore imbonerahamwe yihuse yo gufasha gutunganya ibitekerezo byawe:
| Ikintu | Ibisobanuro |
|---|---|
| Ubwoko bwibikoresho bya plastiki | Huza granulator nubukomezi, ubunini, nubunini bwibikoresho winjije. |
| Ibisabwa Ubushobozi | Menya neza ko imashini ishobora gukora umusaruro wawe. |
| Ingano ya Granule | Guhindura ibice bigufasha kubona ingano ya granule ikwiye. |
| Uburyo bwo gutema | Gukata rotary ikora kuri plastiki ikaze, mugihe imikasi ikata firime. |
| Ingufu | Moteri yo kuzigama ingufu hamwe na drives bigabanya fagitire zawe. |
| Urwego Urusaku | Gukoresha amajwi bifasha niba ukeneye umwanya utuje. |
| Kubungabunga no Kuramba | Shakisha ibyuma bidashobora kwambara no gukora isuku byoroshye. |
| Ibiranga umutekano | Guhagarara byihutirwa n'abashinzwe umutekano barinda abakozi. |
| Ibiciro | Tekereza ku giciro cyo hejuru hamwe nigiciro cyigihe kirekire. |
| Icyamamare | Inkunga nziza na garanti bigira itandukaniro rinini. |
Abakora bagomba kandi kugenzura ubuziranenge bwicyuma, igishushanyo mbonera, nimbaraga za moteri. Moteri ikomeye nicyuma gikarishye gikomeza inzira. Ibiranga umutekano hamwe no kubungabunga byoroshye bizigama igihe namafaranga mubuzima bwimashini.
Kugisha inama hamwe nabatanga isoko
Kuganira naabatanga isokoirashobora kugufasha kubona ibyiza bihuye nibyo ukeneye. Abatanga isoko bayobora bakunze kubaza igipimo cyumusaruro wawe, ubwoko bwa plastiki ukoresha, nintego zawe. Bashobora gutanga icyerekezo kimwe kubikorwa byoroshye cyangwa imashini yimpanga kubikorwa bigoye. Hano hari ibibazo ugomba kwibaza:
- Ni ubuhe bwoko bw'ibikoresho bizakorwa?
- Ukoresha imyanda ya plastike angahe buri munsi?
- Ni ubuhe bunini nubunini ukeneye kuri granules yanyuma?
- Imashini iroroshye kuyisukura no kuyitaho?
- Ifite ibimenyetso byumutekano nko guhagarara byihutirwa?
- Granulator irashobora guhuza numwanya wawe wubu?
- Ni ubuhe bwoko nyuma yo kugurisha n'amahugurwa utanga isoko?
Abaguzi bafite izina ryiza bazakuyobora muri ibi bibazo. Barashobora kandi gusobanura ibintu bigezweho, nka moteri ikoresha ingufu cyangwa igenzura ryikora. Iyi nkunga igufasha guhuza intego zawe zo kubyaza umusaruro hamwe na granulator ikwiye.
Twin-screw granulators ikora neza kumurimo munini cyane hamwe nuruvange. Moderi imwe-imwe ihuza imirimo yoroshye, igiciro-cyoroshye. Bagomba gusuzuma ibyo bakeneye bakeneye, ubwoko bwibintu, nibiranga imashini. Gukoresha ibyemezo bifata ibyemezo no kugereranya bifasha guhuza granulator iburyo kuri buri gikorwa.
Ibibazo
Ni irihe tandukaniro nyamukuru riri hagati ya twin-screw na granulators imwe?
Twin-screw granulators ivanga ibikoresho neza kandi ikora imirimo igoye. Imashini imwe ya granulators ikora byihuse hamwe na plastiki yoroshye kandi igiciro gito.
Impanuro: Twin-screw moderi ikwiranye nibikorwa byateye imbere. Moderi imwe-imwe ihuye nibisanzwe byongera gukoreshwa.
Ni kangahe umuntu akwiye gusukura granulator?
Abakora bagomba gusukura granulator nyuma yumusaruro wose urangiye. Isuku isanzwe ituma imashini ikora neza kandi ikarinda kwiyubaka.
Ese inzira imwe ya granulator itunganya plastiki yongeye gukoreshwa?
Imashini imwe irashobora gutunganya plastiki isukuye neza. Bashobora guhangana nibikoresho bivanze cyangwa byanduye.Twin-screw granulatorsgufata imvange byoroshye.
Igihe cyo kohereza: Kanama-11-2025