Ngakolunye uhlangothi, luya kusebenza ngakumbi, kwaye luqhube ngokuqhubekayo ukugqibelela komsebenzi wemveliso kunye nokwandiswa kobomi benkonzo;Kwelinye icala, ngelixa silungiselela umgangatho weemveliso, siya kulandela ukunciphisa kakhulu iindleko zemathiriyeli ekrwada kunye neendleko zokusebenza, ukuze sifumane inzuzo enkulu.
Iimveliso zokubumba eziphakathi nezinkulu
Imigaqo emithathu esisiseko kufuneka ithathelwe ingqalelo kuyilo loyilo lweemveliso zokubumba:
1) Zama ukuhlangabezana nemisebenzi eyahlukeneyo kunye nokusetyenziswa kweemveliso zokubumba ezingenanto;
2) Ifomula yeplastiki yempahla ekrwada inokusebenza kakuhle kokusebenza;
3) Ukunciphisa iindleko zemveliso ngokuyila ukwakhiwa kunye nokuphucula.
Kwangaxeshanye, ngenxa yokwandiswa kweemveliso zokubumba i-extrusion blowing kunye noluhlu oluxhasayo lobunjineli, ukusebenza kweemveliso zokubumba ukubetha kubeka phambili iimfuno zobugcisa eziphezulu.Njengemoto, imoto, ishishini likaloliwe elinesantya esiphezulu, inqwelomoya, inqwelomoya, ukuhambahamba, oomatshini, izixhobo zombane, iikhemikhali, izinto, ukupakishwa kweziyobisi, ukutya kunye nokupakishwa kwesiselo, indlu yemihla ngemihla, ezolimo, ukusetyenziswa kwezobunjineli, umzimba odada phezu komhlaba kunye namanye amashishini amaninzi axhasayo. vuthela iimveliso zokubumba njalo njalo, Amandla aphezulu, ukuqina okuphezulu, ukuchaneka okuphezulu, ubomi obude kunye nokumelana nobushushu obufanelekileyo kuyafuneka kwiimveliso zokubumba iplastiki.Ngoko ke, ukuguqulwa kwezi mveliso zokubumba zivuthela kubaluleke kakhulu.
Iindlela zokuguqulwa kweplastiki ikakhulu zibandakanya ukuguqulwa komzimba kunye nokuguqulwa kweekhemikhali.Ukuguqulwa kwemichiza kubhekiselele kwiindlela zokuguqula ezitshintsha iindidi kunye nendibaniselwano yee-athomu okanye amaqela kwitsheyini yemolekyuli yeepolima ngeendlela zemichiza.Iiplastiki zinokwenza izinto ezintsha zepolymer ezithile nge-block copolymerization, i-graft copolymerization, i-cross-linking reaction, okanye ngokuzisa amaqela amatsha asebenzayo.Ukuguqulwa kweekhemikhali kunokwenza imveliso ifumane imisebenzi emitsha okanye iipropati ezingcono zomzimba kunye neekhemikhali.
Kumsebenzi wokwenene wokuguqulwa kwefomula yeemveliso zokubumba i-extrusion blow, itekhnoloji yokuguqulwa komzimba isetyenziswa kakhulu kunetekhnoloji yokuguqulwa kwemichiza.Itekhnoloji yokuguqulwa komzimba yeemveliso zokubumba i-extrusion blowu idla ngokusetyenziswa ngezi ndlela zilandelayo: ① ukuzaliswa ukuguqulwa;② Ukuguqulwa kokudibanisa;③ uhlengahlengiso olomeleziweyo;(4) ukuguqulwa kokuqina;(5) ukuguqulwa kwe-nano-composite;⑥ Ukuguqulwa kokusebenza kunye nokunye.
1. Itekhnoloji yokwenziwa kweemveliso zokubumba ezisetyenziswa ngokuqhelekileyo
1) I-25L yefomula yebhakethi yeplastiki, jonga iTheyibhile yoku-1.
25L ibhakethi yeplastiki ifomula
Inokubonwa kwifomula ekwiThebhile 1 ukuba iibrendi ezimbini zeHDPE zisetyenziswa kwifomula, kwaye amandla, ubulukhuni kunye nokuqina kweemveliso ezibunjiweyo zinokuqinisekiswa ukuhlangabezana neemfuno ezisisiseko zeebhakethi zeplastiki ezingama-25L.
Izithako ezibini eziphambili kwifomula ziqwalaselwe kwisiqingatha.Kwisicelo esisebenzayo, umlinganiselo wezithako eziphambili kwifomula unokuhlengahlengiswa ngokweemfuno zokusebenza ezahlukeneyo.Ngelo xesha, ukhetho lwe-brand lwezithako eziphambili lunokukhethwa ngokwemeko ethile yokunikezelwa kweemarike.
2) Uyilo loyilo lombhobho wokupakisha weplastiki kwiiChemical ezinobungozi:
Okufana noku: ukuveliswa kwesilingo se-25L ye-container yokupakisha igubu, ubunzima begubu yi-1800g.Isetyenziselwa ukuqulatha i-nitric acid egxininisiweyo ye-68.2% yoxinaniso.Ukuxhathisa kwesikhongozeli se-HDPE esicocekileyo kwi-asidi ye-nitric egxininisiweyo akwanelanga, kodwa ukuxhathisa kwe-HDPE kwi-asidi ye-nitric egxininisiweyo kunokuphuculwa kakhulu ngokudibanisa i-polymer modifier efanelekileyo.Oko kukuthi, i-EVA kunye ne-LC zisetyenziselwa ukuguqula i-HDPE ukuvelisa i-concentrated nitric acid packaging container.Ifomula yovavanyo iboniswe kwiThebhile 2.
Ifomula yeplastiki engenanto yokupakisha umphanda yeekhemikhali eziyingozi
KwiThebhile 2, i-HDPE yi-HHM5205, kunye nesantya sokuncibilika kwe-MFI = 0.35g / 10min.I-EVA 560, isantya sokuncibilika kwe-MFI = 3.5g / 10min, ubuninzi = 0.93, umxholo we-VA 14%;Imodyuli esezantsi ye-LC, eyenziwe e-China, ibakala loshishino.Iziphumo zovavanyo lweemgqomo zokupakisha ezilungiselelwe zezi fomyula zintathu zingentla ziboniswe kwiThebhile 3. Ezi ntlobo zintathu zingentla apha zifanelekile ngokuhlola ukupakisha okuqhelekileyo.Nangona kunjalo, ngokuqulathe i-nitric acid egxininisiweyo, ifomula ye-1 inyanga emva kokuqhawula, ngoko ayifanelekanga ukuba iqulethe i-nitric acid egxininisiweyo;I-Formula ye-2 iinyanga ze-6 emva kokuba i-drop test barrel yaphuka, ayifanelekanga, nangona ezinye iimvavanyo zidlulile, ukuba zisetyenziselwa ukuqulatha i-nitric acid edibeneyo iyingozi, ayikhuthazwa ukuba isetyenziswe;
Ukubumba ubuchwephesha bokubumba imveliso ephakathi kunye nenkulu
Ifomula yesi-3 Njengoko kubonisiwe kwiThebhile 3-18, zonke iimvavanyo zifanelekile emva kwesiqingatha sonyaka we-nitric acid egxininisiweyo.
Ukuqukumbela, emva kokongeza i-EVA kunye ne-LC kwi-HDPE, ukuchasana kwe-HDPE eguquliweyo kwi-asidi ye-nitric egxininisiweyo kuphuculwe ngokucacileyo, kwaye ingasetyenziselwa ukuvelisa i-nitric acid (68.4%) yokupakisha umgqomo.
3) Itafile yefomula yeplastiki yezihlalo zeplastiki zangaphandle.(Jonga kwiTheyibhile 4)
Qaphela: i-7000F kunye ne-6098 kwifomula kwiThebhile 4 i-hdPe enobunzima obuphezulu be-molecular.I-18D yipolyethylene yoxinaniso oluphantsi.
I-EVA isetyenziswa ikakhulu njengoncedo lokuqhuba kule fomula ukuphucula umgangatho wenkangeleko yeemveliso ezibunjiweyo kunye nokwandisa ukuxhathisa impembelelo.Kwaye inokumelana okude noxinzelelo lokusingqongileyo ixesha lokuqhekeka.
4) Ukufumana iresiphi ye-50-100L yezikhongozeli ezibunjiweyo, jonga iTheyibhile yesi-5.
Imodeli eluncedo inxulumene netafile yefomula yeplastiki yezihlalo zeplastiki zangaphandle
Ifomula kwiThebhile yesi-5 inokulungelelaniswa ngokusetyenziswa kwangempela.
Kwifomula ekwiTheyibhile yesi-5, ngokunyuka komyinge wezinto zeplastiki ezinobunzima obuphezulu bemolekyuli, ukomelela, ukuqina, ukuqina kunye nokumelana nobushushu beemveliso kuyaphuculwa, kwaye ixesha lokumelana noxinzelelo lokusingqongileyo liyakhula.Abavelisi beemveliso banokuhlengahlengisa imilinganiselo eyahlukeneyo yezinto ezahlukeneyo zeplastiki ekrwada ngokweemfuno zeemveliso ezahlukeneyo ukuhlangabezana neemfuno ezahlukeneyo zobugcisa.
5) 100-220L vuthela izitya ezibunjiweyo
Ngenxa yokuba ubunzima bemolekyuli obuqhelekileyo boxinzelelo oluphezulu lwe-polyethylene resin aluphezulu, njenge-HHM5502 resin sisivuthezo esibunjiweyo se-ethylene kunye ne-hexene copolymer enobunzima bemolekyuli obumalunga ne-150,000, nangona iimpawu zayo zomatshini, ukuqina kunye nokuqina komphezulu kulungile, Kodwa ukuxhathisa koxinzelelo lwendalo esingqongileyo kunye namandla empembelelo ahlwempuzekileyo, amandla okunyibilika akakho phezulu, kwaye isenzeko esithobileyo sinzulu kwinkqubo ye-billet ye-extrusion.Ukuba i-resin yenza i-200L, ubunzima be-net 10.5kg ye-VAT yeplastiki ngokomgangatho wesizwe wovavanyo lwethontsi, kuya kubakho ukugqabhuka.Ingabonwa ukuba i-resin ene-molecular weight ephantsi ayifanelekanga ukuveliswa kwemibhobho yeplastiki enkulu ngaphezu kwe-100 ~ 200L.Ukusebenzisa i-resin ye-HMWHDPE enobunzima bemolekyuli obungaphezulu kwama-250 amawaka eemele ezinkulu ezingaphezulu kwe-200L kwiimeko zovavanyo ezifana novavanyo lokuhla, ngokuqhelekileyo akwenzeki ukugqabhuka, kwangaxeshanye ukufana kodonga lomphanda kuye kwavela. iphuculwe kakhulu, ukuchasana kwebhakethi enkulu kuxinzelelo lokusingqongileyo ukukwazi ukuqhekeka kuphindwe kabini.Ke ngoko, xa uyila i-formula ye-100-220 yeelitha enkulu yeplastiki yombhobho, ubunzima bemolekyuli obungaphezulu kwama-250,000 kufuneka buthathwe njengesalathisi sokuqala, kulandele ubuninzi be-resin.Ukuziqhelanisa kuye kwabonisa ukuba, Xa ubuninzi be-resin kuluhlu lwe-0.945 ~ 0.955g / cm 3, ukunyanzeliswa kokuqina kunye noxinzelelo lokuxhathisa ubunzima be-molecular weight HIGH-DENSITY polyethylene resin iimveliso zilinganiswe ngokulinganayo.
Kwimveliso yoshishino, xa ukuchasana kwempembelelo kunye noxinzelelo lokuxhathisa ukuxhatshazwa kweemveliso zifuna (ezifana netanki yepetroli, njl.), I-resin enobuninzi be-0.945g / cm 3 idla ngokusetyenziswa njengento eluhlaza;Okwesibini ziipropathi zokucwangcisa lula.
Kule mihla, amazwe amaninzi ayila kwaye avelise izixhobo ezikhethekileyo zeebhakethi zeplastiki.Ubunzima bayo bemolekyuli, izinga lokunyibilika lokunyibilika kunye noxinzelelo olunxulumeneyo lufanelekile ukwenza iibhakethi ezinkulu zeplastiki ezingenanto.
Kwi-200 L kabini i-L ring yemveliso yefomyula ye-package eyingozi yomphanda, amava emveliso yokuvuthela ixesha elide ibonise ukuba usebenzisa iindidi eziphakamileyo ze-molecular weight polyethylene izinto zeplastiki ekrwada indibaniselwano ifomula yokuvelisa, umgangatho wayo wemveliso ungcono kuneplastiki enye. izinto ekrwada imveliso ifomula uzinzo kunye nezinye ukusebenza kuya kuphucula ngakumbi, esi sisizathu esifanelekileyo yingozi iphakheji umphanda iimveliso ifektri incamathele ukubaluleka kakhulu, Ukuze kuncitshiswe ilahleko imveliso ebangelwa imathiriyeli enye yeplastiki ekrwada.Ukongeza, kufanelekile ukukhumbuza ukuba ngenxa yeemfuno ezikhethekileyo zokusetyenziswa kwe-200L yeringi ephindwe kabini L igubu eliyingozi lebhali, kuqukunjelwa kumava amaninzi asebenzayo athi: Musa ukumfamekisa ukubumba umngxuma omkhulu weplastiki ekrwada. iminerali masterbatch ukunciphisa iindleko okanye ukuphucula ubulukhuni, okanye impembelelo enkulu kumgangatho weemveliso, ingakumbi ulwelo impahla eyingozi imiphanda ukupakisha, umgangatho weemveliso kuya kuba nzima ukuyikhusela ngokupheleleyo, kule iresiphi ukuguqulwa iteknoloji kuseza kuba ngaphezulu. uphando nophuhliso.
Extrusion ivuthela ukubumba iimveliso ngakumbi nangakumbi, ukusetyenziswa kweemeko ziyahluka, ukusetyenziswa ngakumbi nangakumbi izinto zeplastiki ekrwada, iintlobo, brand nazo zininzi, ukusuka kwinyani imveliso, ukuvuthela ukubumba abavelisi kufuneka ukuyila nokuphucula ifomula yemveliso nganye. ngokweempawu zabo zemveliso, ukuze bafumane iziphumo ezingcono.Itekhnoloji yefomula eqhelekileyo yaziswe ngasentla kuphela yifomula eqhelekileyo yezinye iimveliso zokuvuthela eziqhelekileyo, kwaye iyacetyiswa ukuba isetyenziselwe ireferensi kwimveliso ethile yeemveliso zokubumba ukuvuthela.
Ixesha lokuposa: Oct-28-2021