PP PE Botolo Kuphwanya Kuchapira Makina Ogwiritsanso Ntchito

Makina ochapira botolo a PP PE ndi zida zopangira zida zopangira zinyalala za PP (polypropylene) ndi PE (polyethylene) zida zabotolo (monga makapu a yogurt, mabotolo a shampoo, mabotolo amankhwala, mabotolo amkaka, mabotolo amankhwala tsiku lililonse, ndi zina zambiri) ndikusintha kukhala -zoyera zotsitsimutsanso mapepala apulasitiki) (Flat recycled pulasitiki) mapepala apulasitiki).

PP ndi PE ndi mapulasitiki awiri osiyana, koma makulidwe awo ndi otsika kuposa madzi ndipo njira zawo zobwezeretsanso ndizofanana. Chifukwa chake, nthawi zambiri amakonzedwa pamzere womwewo wopangira ndipo pamapeto pake amapatulidwa kapena kusakanikirana ndi ma granules malinga ndi zosowa za makasitomala.

Zofanana ndi mizere yamakanema, koma zokongoletsedwa ndi mawonekedwe a mabotolo monga zipewa za botolo, zolemba, ndi zotsalira.

1. Kukonza - kumasula ndi kusanja

·Cholinga: Kuchotsa zinyalala zazikulu ndikukonzekera kukonzanso kotsatira.

·Zida: makina otsegulira, lamba wotumizira, nsanja yosanja pamanja.

·Njira: Matumba a mabotolo a zinyalala omwe amapakidwa amatsegulidwa ndikunyamulidwa ndi lamba wotumizira, ndipo zonyansa zosadziwika bwino za PP/PE (monga mabotolo a PET, zitsulo, magalasi, mapulasitiki ena, ndi zina zotero) zimachotsedwa pamanja.

2. Kuphwanya - Kuchepetsa kukula

·Cholinga: Kuthyola botolo lonse kukhala tizidutswa ting'onoting'ono, kulekanitsa thupi la botolo, kapu, ndi kulemba kuti ayeretsedwe mosavuta.

Zida: Crusher (yomwe nthawi zambiri imapangidwa ndi kudula masamba, yomwe imafunikira anti entanglement).

·Kachitidwe: Botolo limalowa muchipinda chophwanyira chotsekeredwa kudzera pa lamba wotumizira ndipo amadulidwa tizidutswa tofanana (nthawi zambiri 10-15mm) ndi masamba ozungulira kwambiri. Panthawiyi, madzi pang'ono amatha kuwaza kuti azizire ndikuletsa fumbi.

3. Kuchapira kotentha - kuchotsa zowononga

·Cholinga: Iyi ndi sitepe yofunikira kwambiri yoyeretsera, yomwe imagwiritsa ntchito zida zotenthetsera ndi zoyeretsera kuchotsa mafuta, madzi otsalira, mapepala olembera, ndi zomatira zomatira ku magawo a mabotolo.

· Zida: thanki yochapira yotentha kapena makina otsuka mikangano.

·Njira: Mapepala ophwanyidwa, madzi otentha, ndi zoyeretsera zapaderazi zimasakanizidwa pamodzi mu chidebe ndikutsukidwa mosalekeza pa kutentha kosapitirira 80 digiri kupyolera mu kusonkhezera kapena kukangana. Kutentha kwapamwamba kumapangitsa guluu kulephera, pepala lolembapo kukhala la ulusi, ndipo mafuta amaundana ndikuwola.

4. Kupatukana kwa flotation - kusankha thupi la botolo ndi kapu ya botolo

·Cholinga: Kugwiritsa ntchito kusiyana kwa kachulukidwe kuti mulekanitse magawo a botolo la PP, magawo a mabotolo a PE, ndi zida za kapu ya botolo.

Zida: thanki yoyeretsa yoyandama kapena chimphepo cha hydraulic.

·Njira:

· PET botolo flakes (ngati otsalira): ndi kachulukidwe kwambiri (~ 1.38g / cm ³), iwo adzamira pansi poyamba ndi kulekanitsidwa padera (kawirikawiri PET sayenera kusakaniza PP / PE mabotolo, koma angagwiritsidwe ntchito ngati kugwirizana chitetezo).

·Magawo a mabotolo a PP: okhala ndi kachulukidwe pafupifupi 0.90-0.91g/cm³, amayimirira m'madzi kapena kumira pang'onopang'ono.

·Mabotolo a HDPE (monga mabotolo a ana): okhala ndi kachulukidwe pafupifupi 0.94-0.96g/cm ³, adzaimitsidwa pakati.

·Chipewa cha botolo (PP/PE): chotsika kwambiri (~ 0.90-0.92g/cm ³), chidzayandama pamadzi ndikulekanitsidwa ndi scraper kapena kusefukira.

·Posintha kuchuluka kwa madzi (monga kuwonjezera CaCl ₂, etc.), PP ndi HDPE zitha kulekanitsidwa molondola.

5. Kupukuta mozama - kupukuta mozama

·Cholinga: Kutsuka komaliza pamagawo a mabotolo olekanitsidwa kuti muchotse zotsalira zilizonse zoipitsa.

·Zida: Makina otsuka othamanga kwambiri.

·Kachitidwe: Zinthuzi zimayendetsedwa ndi-zingwe zozungulira mwachangu mkati mwa makina oyeretsera, zomwe zimapanga mikangano yayikulu ndi madzi, kusenda ndikutsuka madontho owuma pamwamba.

6. Tsukani - Kuyeretsa Komaliza

·Cholinga: Tsukani bwino chotsuka chotsalira ndikuchotsa dothi pamabotolo omwe atsukidwa ndi kutentha ndi kutsukidwa.

Zida: Tsukani thanki kapena makina ochapira ng'oma.

·Kachitidwe: Kuchapira mobwerera m’mbuyo ndi madzi aukhondo kumagwiritsidwa ntchito pofuna kuyeretsa bwino kwambiri m’njira yopulumutsa madzi-.

7. Kutaya madzi m'thupi - kutha kwa madzi m'thupi

·Cholinga: Kuchotsa chinyezi mpaka momwe tingathere ndikusunga mphamvu zowumitsa.

·Zida: Makina otsitsa madzi a Centrifugal.

·Kachitidwe: Chitsamba chonyowa chimazungulira-paliwiro kwambiri, ndipo chinyontho chapamwamba chimagwedezeka, kumachepetsa chinyezi kufika pansi pa 10%.

8. Kuyanika - Kuchepetsa Kutentha kwa Madzi

·Cholinga: Kupeza chinyezi chochepa kwambiri (<1%) required for subsequent processing of materials.

·Zida: Makina owumitsa mpweya (omwe amagwiritsidwa ntchito kwambiri).

·Njira: Mpweya wotentha wotentha kwambiri umakhudzana ndi zinthuzo, ndipo madzi amasanduka nthunzi nthawi yomweyo, ndikupanga magawo ouma a mabotolo aukhondo.

9. Kusankhidwa kwa mphepo ndi kulongedza

·Cholinga: Kuchotsa zonyansa zotsalira (monga kulemba zidutswa zamapepala) ndikuzipaka bwino.

· Zida: cholekanitsa mpweya, chophimba chogwedera, silo, makina onyamula.

·Njira: Mukaumitsa, zinthuzo zimadutsa pa cholekanitsa mphepo kuti zilekanitse zonyansa zopepuka pogwiritsa ntchito mphamvu yamphepo; Chotchinga chogwedeza kuchotsa tinthu tating'onoting'ono; Pomaliza, -magawo a botolo a PP/PE oyeretsedwa kwambiri amapezedwa ndi kupakidwa kuti asungidwe.

10. Extrusion granulation (posankha)

·Zitsamba zouma zouma zimatha kusungunuka, kusefedwa (zosintha pazenera), ndikupukutidwa pogwiritsa ntchito screw extruder imodzi kuti apange ma pellets apulasitiki amtengo wapatali.

Mzere wopanga ma flowchart (mayendedwe osavuta azinthu)

Kudyetsera mabotolo zinyalala → kumasula → lamba wotengera (kusankhiratu pamanja) → crusher → kutumiza → thanki yochapira yotentha (kutenthetsa+chotsukira) → kukweza kozungulira → thanki yolekanitsa yoyandama (kulekanitsa zipewa zamabotolo kuzinthu zosiyanasiyana) → makina otsuka mikangano → makina ochapira madzi owuma → makina ochapira madzi owuma olekanitsa → chophimba chonjenjemera → bin yomalizidwa → (posankha) chowonjezera chowonjezera → kuyika

(Tsukani madzi akuda) (Chotsani zipewa za mabotolo) (Tsukani madzi oipa)

·Katundu: Chotsani PP/PE zobwezerezedwanso mabotolo flakes kapena PP/PE zobwezerezedwanso particles.

· Ntchito:

· Zida zamagalimoto: mabampa, mapanelo amkati, ma batire, ndi zina.

· Chigoba cha chipangizo: chidebe chamkati cha makina ochapira, chipolopolo choyatsira mpweya, chipolopolo chaching'ono chazida, etc.

•Zofunikira tsiku ndi tsiku: zinyalala, miphika yamaluwa, mabokosi ogulitsira, matebulo ndi mipando, mapaleti.

·Zida zamapaipi: mapaipi otengera madzi a tauni, mawaya ndi zingwe.

Zopangidwa ndi jakisoni: zida zosiyanasiyana zamafakitale ndi zinthu za anthu wamba.

1. Tekinoloje yolekanitsa ndiyo pachimake: chinsinsi cha kupambana kwagona pakulekanitsa bwino botolo la botolo, kapu ya botolo, ndi chizindikiro. Ngakhale zinthu za kapu ya botolo (PP / PE) zitha kukhala zofanana ndi botolo la botolo, mtundu ndi index yosungunuka ndizosiyana, ndipo kusakanikirana kumakhudza mtundu, kotero kupatukana koyandama ndikofunikira.

2. Kuchotsa zilembo ndi zomatira ndi ntchito yovuta: zolemba ndi zomatira za mabotolo a mankhwala a tsiku ndi tsiku ndi amakani kwambiri ndipo ayenera kudalira kutentha kwakukulu, zoyeretsa zolimba, komanso nthawi yokwanira yoyeretsa mikangano kuti ichotsedwe bwino. Guluu wotsalirayo amadzaza ndi mpweya panthawi yosungunuka ndi granulation, kupanga mawanga akuda komanso kukhudza khalidwe lazogulitsa.

3. Kuwongolera kachulukidwe: Kupanga zida zobwezerezedwanso za PP kapena PE za chinthu chimodzi, pangakhale kofunikira kugwiritsa ntchito zowongolera kachulukidwe (monga madzi amchere) kuti apatukane bwino mu selo yoyandama.

4. Kuyeretsa kwamadzi: Njira yoyeretsera imapanga madzi ambiri otayira omwe ali ndi mankhwala oyeretsera mankhwala ndi mafuta, omwe ayenera kutsatiridwa ndi dongosolo lonse lachimbudzi (sedimentation, air flotation, biochemical treatment, etc.).

5. Kukonzekera kosiyana: Zomwe zimapangidwira (monga kutentha ndi kutentha kwa wothandizira) pokonza mabotolo a mkaka wa HDPE ndi PP mabotolo a mankhwala a tsiku ndi tsiku angafunikire kusinthidwa ndi kukonzedwa.

Ndikukhulupirira kuti kufotokozera mwatsatanetsatane ndondomekoyi kungakuthandizeni kumvetsa bwino ndondomeko ndi zipangizo za mzere wobwezeretsanso botolo la PP/PE. Ngati muli ndi zida zapadera (monga makamaka mabotolo amkaka a HDPE kapena mabotolo amankhwala a tsiku ndi tsiku a PP) zomwe ziyenera kukonzedwa, njirayi idzakhala yolunjika kwambiri.

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