Ngokusetyenziswa ngokubanzi kweengxowa zeplastiki ezilukiweyo zePP, umthamo wemveliso yeIingxowa ezilukiweyo zePPiyanda, nto leyo ekhokelela ekunyukeni kwesixa seengxowa zenkunkuma. Ukurisayikilishwa kwezi ngxowa zenkunkuma ngumlinganiselo osebenzayo wokunciphisa iindleko zemveliso, ukukhusela okusingqongileyo, nokusebenzisa ngokupheleleyo izibonelelo. Kwiminyaka yakutshanje, abavelisi abaninzi baye benza uphando kule ndawo.
Le ngxoxo igxile ekusetyenzisweni ngokutsha kweIingxowa ezilukiweyo zePP. Izinto ezilahlwayo zibhekisa kwinkunkuma yeplastiki yePP elungele ukuveliswaIingxowa ezilukiweyo zePP. Le yindlela yokusetyenziswa kwenkunkuma eyohlukeneyo eneemfuno eziphezulu; ayinakuxutywa nezinye iintlobo zeplastiki, kwaye ayinakuqulatha udaka, isanti, ukungcola, okanye ukungcola komatshini. Isalathiso sayo se-melt flow index kufuneka sibe phakathi koluhlu lwe-2-5 (akukho zonke iiplastiki zePP ezifanelekileyo). Imithombo yayo iphindwe kabini: izinto ezilahlwayo ezivela kwinkqubo yokuvelisa ingxowa elukiweyo yePP kunye neengxowa zePP ezisetyenzisiweyo ezisetyenzisiweyo, ezinjengeengxowa zesichumisi, iingxowa zokutya, iingxowa zetyuwa, njl.
2. Iindlela zokurisayikilisha
Kukho iindlela ezimbini eziphambili zokuphinda zisetyenziswe: ukunyibilika kwe-pellets kunye ne-extrusion granulation, kunye ne-extrusion granulation iyeyona ixhaphakileyo. Iinkqubo zazo zombini iindlela zezi zilandelayo.
2.1 Nyibilikisa iNdlela yeGranulation
Inkunkuma -- ukukhetha kunye nokuhlamba -- ukomisa -- ukusika kwimicu -- isantya esiphezulu segranulation (ukutya -- ukuncipha kobushushu -- ukutshiza ngamanzi -- igranulation) Ukukhupha kunye nokupakishwa.
2.2 Indlela yoKwenza iGranulation
Izinto ezilahlwayo -- ukhetho -- ukuhlamba -- ukomiswa -- ukusika ube yimicu -- i-extrusion eshushu -- ukupholisa kunye ne-pelletizing -- ukupakishwa.
Izixhobo ezisetyenziswe kwindlela yokukhupha i-self-made-made e-extruder. Ukususa irhasi eveliswe ngexesha lokuchithwa kwezinto, i-extruder ephumayo ingasetyenziswa. Ukususa ukungcola kwizinto ezichithwayo, isikrini se-80-120 se-mesh kufuneka sisetyenziswe ekupheleni kokukhutshwa kwe-extruder. Iimeko zenkqubo ye-extrusion ehlaziyiweyo iboniswe kwitheyibhile.
Ukushisa kwe-extruder kufuneka kulawulwe ngokufanelekileyo, kungabi phezulu okanye kuphantsi kakhulu. Ukushisa okugqithisileyo kwenza lula ukuba izinto ziguge kwaye zityheli, okanye nokuba yi-carbonize kwaye zijike zibe mnyama, eziya kuchaphazela kakhulu amandla kunye nokubonakala kweplastiki; Ubushushu obungonelanga bubangela ukonakala kweplastiki, isantya esisezantsi sokukhupha, okanye kungabikho nto iphumayo, kwaye ithanda ukonakaliswa kwesikrini sokucoca. Ubushushu obuhlaziyiweyo obusetyenzisiweyo kufuneka bumiselwe ngokusekelwe kwiziphumo zesalathisi sokunyibilika kwebhetshi nganye yenkunkuma esetyenzisiweyo esetyenzisiweyo kwaye yavavanywa.
3. Ukusetyenziswa kweMathiriyeli eRecycled kunye neMpembelelo yazo kwi-PP Bag Performance: Ukuguga kwe-thermal ngexesha lokulungiswa kweplastiki kuchaphazela kakhulu ukusebenza, ngakumbi kwiingxowa ezilukiweyo ze-PP eziye zenziwa iinkqubo ezimbini okanye ngaphezulu ze-thermal. Idityaniswe nokuguga kwe-UV ngexesha lokusetyenziswa ngaphambi kokusetyenziswa kwakhona, ukusebenza kuyehla ngokubonakalayo. Ngoko ke,Iingxowa ezilukiweyo zePPayinakusetyenziswa kwakhona ngokungenasiphelo. Ukuba imathiriyeli esetyenzisiweyo isetyenziswa yodwa ukuvelisa iingxowa zePP, zinokuphinda zisetyenziselwe ubuninzi bamaxesha amathathu. Ekubeni kunzima ukumisela inani lamaxesha enkunkuma esetyenzisiweyo esetyenzisiweyo, ukuqinisekisa umgangatho wesikhwama sePP, nakwiingxowa ezineemfuno eziphantsi, umxube wezinto ezinyulu kunye nezinto ezihlaziyiweyo kufuneka zisetyenziswe kwimveliso. Umlinganiselo womxube kufuneka unqunywe ngokusekelwe kwidatha yokulinganisa yangempela yezinto ezimbini. Ubungakanani bezinto ezisetyenzisiweyo ezisetyenzisiweyo zichaphazela ngokuthe ngqo umgangatho wePP bag umsonto osicaba. Umgangatho weengxowa ezilukiweyo uxhomekeke ekomeleleni okuhambelana nokomelela kunye nobude bemisonto emcaba. Umgangatho wesizwe (GB8946-88) ukhankanya umsonto osicaba amandla >=0.03 N/denier kunye nobude be-15%-30%. Ke ngoko, kwimveliso, malunga ne-40% yemathiriyeli esetyenzisiweyo iye yongezwa. Ngokuxhomekeke kumgangatho wezinto ezisetyenzisiweyo, oku ngamanye amaxesha kunokunyuswa ukuya kuma-50% -60%. Ngelixa ukongeza imathiriyeli esetyenzisiweyo ithoba iindleko zemveliso, ibeka esichengeni umgangatho weengxowa. Ke ngoko, ubungakanani bezinto ezihlaziyiweyo ezongeziweyo kufuneka zifaneleke, ziqinisekise umgangatho. 4. Ukulungelelaniswa kwenkqubo yokudweba esekelwe ekusetyenzisweni kwezinto ezisetyenzisiweyo: Ngenxa yokushisa okuphindaphindiweyo kunye nokuguga kwe-UV ngexesha lokusetyenziswa kwexesha elide, isalathisi se-melt ye-PP ehlaziyiweyo yanda ngomjikelezo ngamnye wokucubungula. Ke ngoko, xa ukongeza inani elikhulu lezinto ezihlaziyiweyo kwizinto ezinyulu, ubushushu be-extruder, ubushushu bentloko yokufa, kunye nobushushu bokwelula kunye nokusetha kufuneka kuthotywe ngokufanelekileyo xa kuthelekiswa nezinto ezinyulu. Isixa sohlengahlengiso kufuneka sigqitywe ngokuvavanya isalathisi sokunyibilika komxube wezinto ezintsha kunye nokuhlaziywa kwezinto. Ngakolunye uhlangothi, ngenxa yokuba izinto ezihlaziyiweyo zihamba ngamanyathelo okucubungula amaninzi, ubunzima babo bemolekyuli buyancipha, okukhokelela kwinani elikhulu lamatyathanga amafutshane eemolekyuli, kwaye baye bafumana iinkqubo ezininzi zokolula kunye nokuqhelaniswa. Ngoko ke, kwinkqubo yokuvelisa, umlinganiselo wokwelula kufuneka ube ngaphantsi kohlobo olufanayo lwezinto ezizintombi. Ngokuqhelekileyo, umlinganiselo wokwelula wezinto ezinyulu ngamaxesha angama-4-5, ngelixa emva kokongeza i-40% yezinto ezihlaziyiweyo, ngokuqhelekileyo ngamaxesha angama-3-4. Ngokufanayo, ngenxa yokunyuka kwesalathisi sokunyibilika kwezinto ezisetyenzisiweyo, i-viscosity iyancipha, kwaye i-extrusion rate iyanda. Ke ngoko, phantsi kwesantya se-screw kunye neemeko zobushushu, isantya somzobo kufuneka sikhawuleze kancinci. Ekuxutyweni kwezinto ezintsha kunye nezidala, kubalulekile ukuqinisekisa ukuxuba okufanayo; ngelo xesha, izinto eziluhlaza kunye nezalathi zokunyibilika ezifanayo kufuneka zikhethwe ukudibanisa. Umahluko omkhulu kwi-indices ezinyibilikayo kunye nobushushu obunyibilikayo buthetha ukuba izinto ezimbini eziluhlaza azinakwenziwa iplastiki ngaxeshanye ngexesha le-plasticizing extrusion, eya kuchaphazela kakhulu i-extrusion stretching speed, okubangelwa izinga eliphezulu le-scrap, okanye nokuba imveliso ingenakwenzeka.
Njengoko kukhankanyiwe ngasentla, ukurisayikilishwa kunye nokusetyenziswa kwakhona kwePPelukiweyoiingxowainokwenzeka ngokupheleleyo ngokukhethwa kwemathiriyeli ngononophelo, ukuqulunqwa kwenkqubo efanelekileyo, kunye nolawulo lwemeko yenkqubo olufanelekileyo noluchanekileyo. Ayiyi kuchaphazela umgangatho wemveliso, kwaye inzuzo yezoqoqosho ibaluleke kakhulu.
Ixesha lokuposa: Nov-13-2025