Kune rumwe rutivi, ichava yakanyanya kushanda, uye inogara ichitsvaga kukwana kwechigadzirwa basa uye kuwedzera kwehupenyu hwebasa;Nekune rimwe divi, tichikwenenzvera kunaka kwezvigadzirwa, isu tichatsvaga kudzikisira zvakanyanya mutengo wezvigadzirwa nemitengo yekushandisa, kuitira kuti tiwane mabhenefiti makuru.
Zvigadzirwa zvekuumba zvepakati nepakati
Misimboti mitatu yakakosha inofanirwa kuverengerwa mukugadzira dhizaini ye blow molding zvigadzirwa:
1) Edza kusangana neakasiyana mabasa uye mashandisiro ehollow blow molding zvigadzirwa;
2) Iyo yepurasitiki yakasvibirira fomula ine yakanaka yekugadzirisa kuita;
3) Deredza mutengo wekugadzira kuburikidza nekugadzira dhizaini nekuvandudza.
Panguva imwecheteyo, nekuda kwekuwedzera kwe extrusion blow molding zvigadzirwa uye engineering inotsigira siyana, kuita kwe blow molding zvigadzirwa kunoisa mberi kwepamusoro hunyanzvi zvinodiwa.Zvakadai semotokari, mota, indasitiri yekumhanya njanji, ndege, ndege, kufamba, michina, zvemagetsi, makemikari, zvinhu, kurongedza zvinodhaka, chikafu nechinwiwa kurongedza, imba yemazuva ese, kurima, engineering application, pamusoro pemvura inoyangarara muviri uye mamwe akawanda maindasitiri anotsigira. kuvhuvhuta zvigadzirwa zvekuumba uye zvichingodaro, Kusimba kwepamusoro, kuomarara kwepamusoro, kurongeka kwakanyanya, hupenyu hurefu uye kunaka kwekupisa kwekushisa kunodiwa kune zvigadzirwa zvepurasitiki zvekuumba.Naizvozvo, kugadziridzwa kweaya mabhodhoro ekuumba zvigadzirwa kwakakosha zvikuru.
Plastic shanduko nzira dzinonyanya kusanganisira kuchinjika kwemuviri uye kugadzirisa kemikari.Chemical modification inoreva nzira dzekugadzirisa dzinoshandura mhando uye musanganiswa wemaatomu kana mapoka pane molecular cheni yemapolymer nenzira dzemakemikari.Plastiki inogona kugadzira zvinhu zvitsva zvepolymer neblock copolymerization, graft copolymerization, cross-linking reaction, kana nekuunza mapoka matsva anoshanda.Kugadziridzwa kwemakemikari kunogona kuita kuti chigadzirwa chiwane mabasa matsva kana zvirinani zvemuviri nemakemikari zvimiro.
Mukushanda chaiko kweformula gadziriso ye extrusion blow molding zvigadzirwa, tekinoroji yekushandura tekinoroji ndiyo inonyanya kushandiswa kupfuura kemikari yekuchinja tekinoroji.Iyo tekinoroji yekuvandudza tekinoroji yeextrusion blow molding zvigadzirwa inowanzoshandiswa nenzira dzinotevera: ① kuzadza shanduko;② Kusanganiswa kwekugadzirisa;③ Kugadziridzwa kwakagadziridzwa;(4) kuomesa kuchinjwa;(5) nano-composite kugadziriswa;⑥ Kugadziriswa kwekushanda uye zvichingodaro.
1. Kugadzira tekinoroji yezvinowanzo shandiswa kuvhuvhuta zvigadzirwa
1) 25L epurasitiki bucket formula, ona Tafura 1.
25L epurasitiki bucket formula
Zvinogona kuvonekwa kubva mufomula iri muTebhurari 1 kuti mhando mbiri dzeHDPE dzinoshandiswa mufomula, uye kusimba, kuomarara uye kuomarara kwezvigadzirwa zvakaumbwa zvinoputika zvinogona kuvimbiswa kusangana nezvinodiwa zve25L zvakatevedzana mabhakiti epurasitiki.
Izvo zviviri zvakakosha zvinoshandiswa mufomura zvinogadziriswa muhafu.Mukushanda kunoshanda, chikamu chezviyo zvakakosha muforoma inogona kugadziridzwa zvichienderana neakasiyana mashandiro ekuita.Panguva imwecheteyo, kusarudzwa kwemhando yezvigadzirwa zvikuru zvinogonawo kusarudzwa maererano nemamiriro chaiwo ekugadzirwa kwemusika.
2) Kugadzira dhizaini yegoro yepurasitiki yekurongedza dhiramu kune ane njodzi Makemikari:
Zvakadai se: kugadzirwa kwekuyedza kwe25L mudziyo wekurongedza chigubhu, huremu hwedhiramu 1800g.Inoshandiswa kune ine concentrated nitric acid ye68.2% concentration.Kupokana kwemudziyo wakachena weHDPE kune yakaomeswa nitric acid hakuna kukwana, asi kuramba kweHDPE kune yakadzika nitric acid kunogona kuvandudzwa zvakanyanya nekuwedzera yakakodzera polymer modifier.Kureva kuti, EVA uye LC inoshandiswa kugadzirisa HDPE kugadzira yakadzika nitric acid yekurongedza mudziyo.The test formula inoratidzwa muTable 2.
Formula ye hollow epurasitiki yekurongedza dhiramu yemakemikari ane njodzi
MuTable 2, HDPE iHHM5205, uye kunyunguduka kuyerera MFI=0.35g/10min.EVA 560, melt flow rate MFI = 3.5g / 10min, density = 0.93, VA zvinyorwa 14%;Yakaderera molecular modifier LC, yakagadzirwa muChina, maindasitiri giredhi.Mhedzisiro yemhedzisiro yekurongedza madhiramu akagadzirirwa neaya matatu ari pamusoro mafomula anoratidzwa muTebhura 3. Aya matatu ari pamusoro apa magadzirirwo ese anokwanirisa neyakajairwa packing ongororo.Zvisinei, nokuda kweine concentrated nitric acid, formula 1 mwedzi mushure mekuputika, saka haikodzeri kuti ine concentrated nitric acid;Formula 2 6 mwedzi pashure donhwe bvunzo dhiramu rakaputsika, asina kukodzera, kunyange zvazvo mimwe miedzo yakapfuura, kana akashandiswa ane concentrated nitric acid ine ngozi, hazvikurudzirwi kushandisa;
Yepakati uye yakakura hollow blowing inoumba chigadzirwa chekugadzira tekinoroji
Formula 3 Sezvinoratidzwa muTebhurari 3-18, bvunzo dzese dzakakodzerwa mushure mehafu yegore ye concentrated nitric acid.
Mukupedzisa, mushure mekuwedzera EVA neLC muHDPE, kuramba kweHDPE yakagadziridzwa kune yakaomeswa nitric acid inovandudzwa zviri pachena, uye inogona kushandiswa kugadzira concentrated nitric acid (68.4%) yekurongedza dhiramu.
3) Tafura yepurasitiki fomula yezvigaro zvepurasitiki zvekunze.(Ona Tafura 4)
Cherechedza: 7000F uye 6098 mufomula iri muTable 4 ihdPe ine huremu hwepamusoro.18D yakaderera density polyethylene.
EVA inonyanya kushandiswa seyamuro yekugadzirisa mune iyi fomula yekuvandudza kutaridzika kwemhando yezvigadzirwa zvakaumbwa uye kuwedzera simba rekuramba.Uye ine kureba kuramba kune kwezvakatipoteredza kusagadzikana kupaza nguva.
4) Kuti uwane resipi ye50-100L pfuti yakaumbwa midziyo, ona Tafura 5.
Iyo yekushandisa modhi ine chekuita netafura yepurasitiki fomula yezvigaro zvepurasitiki zvekunze
Iyo formula iri muTafura 5 inogona kugadziriswa maererano nekushandiswa chaiko.
Mune fomula iri muTable 5, nekuwedzera kwechikamu chemidziyo yepurasitiki ine huremu hwemamorekuru, kusimba, kuomarara uye tembiricha kuramba kwezvigadzirwa zvinowedzerwa, uye kushushikana kwezvakatipoteredza kupaza kuramba nguva inowedzerwa.Vagadziri vezvigadzirwa vanogona kugadzirisa zvikamu zvakasiyana zvezvakasiyana zvepurasitiki zvigadzirwa zvinoenderana nezvinodiwa zvezvakasiyana zvigadzirwa kuti zvisangane nezvinodiwa zvakasiyana zvehunyanzvi.
5) 100-220L vhuvhuta midziyo yakaumbwa
Nekuti huremu hwemamorekuru hweakajairwa high density polyethylene resin haina kukwirira, senge HHM5502 resin inorova yakaumbwa ethylene uye hexene copolymer ine huremu hwemamolecular huremu hunosvika zviuru zana nemakumi mashanu, kunyangwe zvimiro zvayo, kusimba uye kuoma kwepasi kwakanaka, Asi kushushikana kwezvakatipoteredza kuputsa kuramba uye kusimba kwesimba kwakashata, simba rekunyunguduka harina kukwirira, uye chiitiko chinodonha chakakomba mukuita kweextrusion billet.Kana iyo resin inogadzira 200L, huremu hwemambure 10.5kg epurasitiki VAT zvinoenderana neyakajairwa yenyika yekudonha bvunzo, pachave nekuputika chiitiko.Zvinogona kuoneka kuti resin ine yakaderera molecular uremu haakodzeri kugadzirwa hombe epurasitiki madhiramu anopfuura 100 ~ 200L.Uchishandisa HMWHDPE resin ine huremu hwemamolecular huremu hunodarika zviuru mazana maviri nemakumi mashanu ekuputira bhaketi rakakura rinopfuura 200L muhombe bhakiti mumamiriro akafanana ekuedzwa sekudonha bvunzo, kazhinji hazviitike kuputika chiitiko, panguva imwechete iyo kufanana kwebhari madziro ukobvu kune. yakave yakagadziridzwa zvakanyanya, iyo hombe bhakiti kuramba kune kwezvakatipoteredza kusagadzikana kupaza kugona kwakapetwa kaviri.Naizvozvo, kana uchigadzira fomula ye100-220 litres hombe yepurasitiki dhiramu, huremu hwemamorekuru hunodarika 250,000 hunofanirwa kutariswa sechiratidzo chekutanga, ichiteverwa nekuwanda kweresin.Kudzidzira kwakaratidza kuti, Kana iyo density ye resin iri mumhando ye 0.945 ~ 0.955g/cm 3, kuomarara uye kushushikana kuputsa kuramba kweakakwira molecular uremu HIGH-DENSITY polyethylene resin zvigadzirwa zvine mwero.
Mukugadzirwa kwemaindasitiri, kana kukanganisa kupikisa uye kusagadzikana kupemha kuramba kwezvigadzirwa kuri kuda (senge peturu tangi, nezvimwewo), resin ine density ye0.945g/cm 3 inowanzoshandiswa seyakabikwa;Yechipiri ndiyo maitiro ekugadzirisa zviri nyore.
Mazuva ano, nyika zhinji dzinogadzira uye dzinogadzira zvinhu zvakakosha zvemabhakiti makuru epurasitiki.Huremu hwayo hwemamorekuru, kunyungudika kuyerera uye huwandu hwehukama hwakakodzera kugadzira mabhaketi makuru epurasitiki asina maburi.
Muna 200 L kaviri L mhete yekugadzira fomula ine njodzi yepasuru dhiramu, yenguva refu yekuvhuvhuta yekuumba chiitiko chekugadzira yakaratidza kuti kushandisa akasiyana magiredhi epamusoro molecular uremu polyethylene epurasitiki raw materials musanganiswa formula yekugadzira, chigadzirwa chemhando iri nani pane purasitiki imwe chete. raw materials formula kugadzira kugadzikana uye kumwe kuita kunovandudza zvakanyanya, ichi chakakodzera chikonzero chine njodzi pasuru mbiya zvigadzirwa fekitori inonamira kukosha kukuru kune, Kuti uderedze kurasikirwa kwekugadzira kunokonzerwa nechinhu chimwe chete chepurasitiki.Uye zvakare, zvakakosha kuyeuchidza kuti nekuda kwekushandiswa kwakakosha kwe200L kaviri L mhete ine ngozi madhiramu, inogumiswa kubva kune yakawanda chiitiko chinoshanda kuti: Usapofumadze muhukuru-hollow kuvhuvhuta kwepurasitiki mbishi zvinhu zvinowedzera. mineral masterbatch kuderedza mutengo kana kuvandudza kuoma, kana kukanganisa kwakanyanya pamhando yezvigadzirwa, kunyanya kune mvura ine njodzi zvinhu zvekurongedza mbiya, mhando yezvigadzirwa ichave yakaoma kuchengetedza zvizere, mune ino resipi yekugadziridza tekinoroji haisati yave mberi. tsvakurudzo nebudiriro.
Extrusion blow molding zvigadzirwa zvakanyanya uye zvakanyanya, kushandiswa kwemamiriro kunosiyana, kushandiswa kweakawanda uye akawedzera epurasitiki zvigadzirwa, mhando, mabhureki zvakare akawanda, kubva kuchokwadi chekugadzirwa, kuvhuvhuta kuumba vanogadzira vanoda kugadzira nekuvandudza fomula yechigadzirwa chimwe nechimwe. zvinoenderana nemaitiro avo echigadzirwa, kuitira kuti vawane mhedzisiro iri nani.Iyo yakajairwa fomula tekinoroji yakaunzwa pamusoro ingori yakajairika fomula yezvimwe zvakajairika kuumba zvigadzirwa, uye inokurudzirwa kuti ishandiswe sereferensi mukugadzirwa chaiko kwezvigadzirwa zvekuputira.
Nguva yekutumira: Oct-28-2021