I-China iyizwe elikhulu lokupakisha emhlabeni, elinohlelo oluphelele lwezimboni oluhlanganisa ukukhiqizwa komkhiqizo wokupakisha, izinto zokupakisha, imishini yokupakisha, nemishini yokucubungula iziqukathi zokupakisha, ukwakheka kokupakisha, ukugaywa kabusha kokupakisha, kanye nocwaningo lwesayensi nobuchwepheshe, ukuhlolwa okujwayelekile, imfundo yokupakisha, njalo njalo. Ukusetshenziswa kabusha kokupakisha kuyintaba esagolide, futhi ipulasitiki ebeka engcupheni enkulu ekungcolisweni kwemvelo igxile ekugayweni kabusha. Kusukela esimisweni sokuphila komuntu sokuvikela imvelo nokonga izinsiza, amazwe emhlabeni wonke manje abheka ukubaluleka okukhulu ekugayweni kabusha kukadoti wepulasitiki, okuyisinyathelo esisebenzayo sokuthatha umgwaqo wentuthuko esimeme kanye nomnotho oyindilinga.
Nalu uhlu lokuqukethwe:
Kungani ipulasitiki idinga ukugaywa kabusha?
Kuyini ukuvuselelwa kwe-plasticization?
Uyini umshini wokuwasha wepulasitiki?
Kungani ipulasitiki idinga ukugaywa kabusha?
Imikhiqizo eminingi yepulasitiki inenani elincane lokuthenga futhi kunzima ukuyigaya kabusha, kodwa kunzima kakhulu ukuyigaya kabusha, futhi ukungcoliswa kwemvelo kubi kakhulu. Amapulastiki anzima ukuguqulwa nge-biodegraded. Kuthatha izizukulwane eziningana ukunciphisa isimo semvelo, futhi kungase kuthathe iminyaka engaphezu kuka-500. Indlela evamile yokwelapha amapulasitiki alahlwayo wukulahla imfucumfucu nokushiswa kwawo. Ukulahlwa kukadoti akudingi nje kuphela ukuthatha iziza eziningi. Uma izinyathelo zokunqanda ukugeleza kwamanzi zingafaneleki, kulula kakhulu ukuthi i-leachate ingene emanzini angaphezulu noma enhlabathini ezungezile, okubeka ingozi enkulu yesikhathi eside endaweni ezungezile yokulahla imfucumfucu kanye nempilo yezakhamuzi. Ukushiswa okuqondile kwamapulasitiki angcolile kungase futhi kukhiqize ama-dioxin angcolisa umoya. Ngemuva kokushiswa, izinto ezinobuthi neziyingozi kumlotha ongaphansi kwesithando somlilo ziyathuthukiswa, okusadinga ukulahlwa kwemfucuza noma okunye ukwelashwa okungenangozi.
Ngakho-ke, kunenzuzo enkulu ukuvuselela nokusebenzisa kabusha amapulasitiki alahlwayo ngemva kokuhlunga. Amapulasitiki ahlukene angaqoqwa, ahlukaniswe futhi ahlungwe, futhi asetshenziswe njengamapulasitiki agaywe kabusha. Amapulastiki nawo angancishiswa abe ama-monomers ngokusebenzisa i-pyrolysis nobunye ubuchwepheshe ukuze abambe iqhaza ku-polymerization futhi, ukuze abone ukugaywa kabusha kwezinsiza. Ukugaywa kabusha kwamapulasitiki okulahlwayo akugcini nje ngokuhambisana nemvelo kodwa futhi kungasetshenziswa kabusha ukulondoloza izinsiza.
Kuyini ukuvuselelwa kwe-plasticization?
Ukuvuselelwa kwe-Plasticization kubhekisela ekwenziweni kabusha kwepulasitiki yemfucuza ngemuva kokufudumeza nokuncibilika, ukubuyisela izakhiwo zangempela zamapulasitiki futhi zisetshenziswe, kuhlanganise nalabo abanezici zabo eziphansi kunezidingo zokuqala. Ukuvuselelwa kwe-Plasticization kungahlukaniswa kube ukuvuselelwa okulula kanye nokuvuselelwa okuhlangene.
Ukugaywa kabusha okuhlanzekile kubhekisela ekugayweni kabusha nokufakwa kwepulasitiki kwezinto ezisele, amasango, imikhiqizo engcolile, nezinsalela ezikhiqizwa ohlelweni lokukhiqiza izitshalo ze-resin, izitshalo zokukhiqiza ipulasitiki, kanye nomshini wepulasitiki, okuhlanganisa namapulasitiki adoti angashadile, ama-batch, ahlanzekile, nake asetshenziswa, amapulasitiki angcolile okupakishwa kanye nokumosha ifilimu yezolimo, egaywa kabusha njengento yesibili. Izinto ezigaywe kabusha ziyizinto ezigaywe kabusha ezibuyisela izakhiwo zangempela zamapulasitiki.
Ukuvuselelwa kabusha kwenhlanganisela kwenziwa kakhulu ngamabhizinisi asemalokishini kanye nezimboni ezincane neziphakathi nendawo. Kodwa-ke, noma ngabe ithengiswa nge-plasticizing, ukuvuselelwa, kanye ne-granulation, noma ixutshwe ngokuqondile ekukhiqizeni ukubumba kwemikhiqizo, futhi isetshenziswe njengomthombo wesibili wezinto ezibonakalayo, kufanele ihlukaniswe ngokunembile futhi ikhethwe, futhi ukungcola namabala kawoyela kufanele kususwe ngokuqinile ngaphambi kokuba izinto ezigaywe kabusha zingaxutshwa emikhiqizweni ngokwengxenye ethile. Izinga lezinto eziyinhlanganisela ezigaywe kabusha ngokuvamile liphansi kunelezinto ezigaywe kabusha.
Uyini umshini wokuwasha wepulasitiki?
Umshini wokuwasha kabusha wepulasitiki igama elijwayelekile lemishini yokugaywa kabusha kwamapulasitiki alahlwayo (impilo yansuku zonke namapulasitiki wezimboni). Ubuchwepheshe bePlastiki be-pyrolysis busesigabeni socwaningo kuphela, ngakho-ke umshini wokubuyisela imfucuza wepulasitiki ikakhulukazi ubhekise kumfucumfucu wokugaywa kabusha kwepulasitiki kanye nemishini ye-granulation, okuhlanganisa okokusebenza ngaphambi kokuhlanza kanye nemishini yokuhlanganisa.
Lokhu okubizwa ngokuthi i-waste plastics pretreatment ibhekisela ekuhlolweni, ukuhlukaniswa, ukuchotshozwa, ukuhlanza, ukuphelelwa amanzi emzimbeni, nokomiswa kwamapulasitiki angcolile. Isixhumanisi ngasinye sinemishini yaso ehambisanayo, okuyimishini yokwelapha ngaphambi kwesikhathi. Imbudumbudu yePlastiki ibhekisela ekwenziweni kwepulasitiki, ukukhishwa, ukudweba ngocingo, kanye nokucutshungulwa kwamapulastiki aphukile, ikakhulukazi okuhlanganisa ipulasitiki nemishini yokukhipha kanye nemishini yokudweba ngocingo kanye nempahla yokuhlanganisa, okungukuthi i-plastic granulator.
Wonke amazwe emhlabeni alubheka njengento ebaluleke kakhulu ucwaningo lokugaywa kabusha kwamapulasitiki angcolile futhi belilokhu lithuthukisa inqubo yokugaywa kabusha kanye nemishini yamapulasitiki alahlwayo. I-Suzhou Polytime Co., Ltd. iyibhizinisi lobuchwepheshe obuphezulu eligxile ekuthuthukisweni, ekukhiqizeni, ekuthengisweni nasekusezweni kwemishini yokuwasha kabusha yepulasitiki, ama-extruder, nama-granulator. Izibophezele ekuhlinzekeni ubuchwepheshe obuncintisana kakhulu embonini yepulasitiki ngesikhathi esifushane futhi idale inani eliphakeme kumakhasimende ngokuthuthukiswa kobuchwepheshe nokulawulwa kwekhwalithi yomkhiqizo. Uma unesidingo semishini yokuwasha kabusha yepulasitiki noma ezinye izinto zokusebenza, ungacabanga ukukhetha imishini yethu yekhwalithi ephezulu.