Iimveliso
Umnatha wesinyithi umbhobho we-skeleton we-polyethylene
Isicelo
Kule minyaka ingama-20 idlulileyo, imibhobho emitsha yeplastiki ibisetyenziswa kakhulu kumasipala, kwirhasi nakwiindawo zokusela amanzi. Ngokukodwa ngokuqhubekeka kokuphucula kunye nokuveliswa kwetekhnoloji ye-polyethylene polymerization, kukho ukonyuka okuphezulu kokuqina kwemathiriyeli ye-polyethylene. Ukwandisa ngakumbi uluhlu lwamanqanaba oxinzelelo kwimibhobho yeplastiki, ngakumbi kwiminyaka yakutshanje, ngophando lweteknoloji ye-interdisciplinary, iteknoloji yentsimbi-yeplastiki edibeneyo eyaziswayo iye yazisombulula ngempumelelo iingxaki zemibhobho ye-polyethylene (PE) ngokwemigangatho yoxinzelelo, i-anti- umhlwa, kunye nedayamitha esebenzayo yokujikeleza. Isetyenziswe kuluhlu olubanzi lwezicelo zokuthutha ulwelo.
Ulwakhiwo: Le mveliso isakhelo esomeleziweyo esinomqolo ongundoqo wenxeba ngokuqhubekayo ngocingo lwensimbi oluqinileyo emva kokutyabeka, kunye neglue ekhethekileyo eshushu-eshushu kunye neplastiki idityaniswe kwipayipi yonke ngendlela yokubumba i-extrusion.
Iimbonakalo
Ukusebenza koqoqosho kombhobho
Ukusebenzisa i-polyethylene yoxinaniso oluphezulu njengezinto zomaleko zangaphakathi nangaphandle, i-mesh yensimbi ye-skeleton ye-polyethylene yeplastiki edibeneyo yombhobho inomsebenzi obalaseleyo weemveliso zombhobho we-polyethylene. Ngenxa yempembelelo ye-skeleton yensimbi, umbhobho odibeneyo wezinga elifanayo loxinzelelo une-а encinci eludongeni kunemibhobho yeplastiki ecocekileyo. Ukujikeleza okusebenzayo kwe-агеа kukhulu, kwaye ukuxhathisa okulungileyo kwe-corrosion kunye nokumelana nokunxiba kuqinisekisa ukuba ubomi benkonzo yombhobho сап bе njengeminyaka engama-50, ephucula ngokufanelekileyo ukusebenza koqoqosho lombhobho.
Yomeleza i-skeleton ukuze ucinezele ngokufanelekileyo iintanda
Ukusetyenziswa komgangatho ophezulu wentsimbi yomnatha wentsimbi njengomaleko wokuqinisa amathambo ngokufanelekileyo kuthintela ukuveliswa kokuqhekeka okungapheliyo kunye nokusasazwa kokuqhekeka okukhawulezayo kwezixhobo zepolyethylene, kwaye kunamandla acinezelayo aphezulu (uxinzelelo oluncinci lombhobho wamanzi lufikelela kwi-З.5МРа) kunye nomfokazi сгеер ukuxhathisa, Ukuxhathisa impembelelo Ephakamileyo, kunye nezalathi zayo zokusebenza аге ukongama imibhobho polyethylene.
IiParameters zobuGcisa
| Itheyibhile yoburhabaxa ngokupheleleyo bodonga lwangaphakathi olulingana nemibhobho eyahlukeneyo | |||
| Uhlobo lombhobho | Ixabiso mm | Uhlobo lombhobho | Ixabiso mm |
| Umbhobho omtsha wentsimbi ongenamthungo | 0.04-0.17 | Umbhobho omtsha wentsimbi | 0.2-0.3 |
| Isakhelo sentsimbi yeplastiki umbhobho oyintlanganisela | 0.0015-0.009 | Umbhobho wentsimbi endala | 0.5-0.6 |
| Umbhobho wobhedu ngokubanzi | 0.19 | Intsimbi yegalvanized | 0.152 |
| Umbhobho wentsimbi endala | 0.60 | Umbhobho wekhonkrithi oqinisiweyo | 1.8-3.5 |
| Idayamitha yangaphandle yegama | I-avareji yedayamitha yangaphandle | Ubuncinci bedayamitha yocingo oluqhelekileyo | Uxinzelelo lwegama | |||||
| Dn(mm) | Ukutenxa okuvumelekileyo | Mm | 0.8 | 1.0 | 1.6 | 2.0 | 2.5 | 3.5 |
| Ubukhulu bodonga lwegama kunye nokutenxa okuvumelekileyo kobukhulu bodonga ey nakweyiphi na indawo/mm | ||||||||
| 50 | +1.2 0 | 0.5 | - | - | 5.0 | 5.5 | 6.0 | 6.5 |
| 63 | +1.2 0 | 0.5 | - | - | 5.5 | 6.0 | 6.5 | 7.0 |
| 75 | +1.2 0 | 0.5 | - | - | 6.0 | 6.5 | 7.0 | 7.0 |
| 90 | +1.4 0 | 0.5 | - | - | 6.5 | 7.0 | 7.5 | 8.0 |
| 110 | +1.5 0 | 0.5 | - | 6.0 | 7.0 | 7.5 | 8.0 | 8.5 |
| 125 | +1.6 0 | 0.6 | - | 6.0 | 7.5 | 8.0 | 8.5 | 9.5 |
| 140 | +1.7 0 | 0.6 | - | 6.0 | 8.0 | 8.5 | 9.5 | 10.5 |
| 160 | +2.0 0 | 0.6 | - | 6.5 | 9.0 | 9.5 | 10.5 | 11.5 |
| 200 | +2.3 0 | 0.6 | - | 7.0 | 9.5 | 10.5 | 12.5 | 13.0 |
| 225 | +2.5 0 | 0.6 | - | 8.0 | 10.0 | 10.5 | 12.5 | - |
| 250 | +2.7 0 | 0.6 | 8.0 | 10.5 | 12.0 | 12.0 | 13.0 | - |
| 315 | +2.8 0 | 0.6 | 9.5 | 12.0 | 13.0 | 13.0 | 14.5 | - |
| 355 | +3.0 0 | 0.8 | 10.0 | 12.5 | 14.0 | - | - | - |
| 400 | +3.2 0 | 0.8 | 10.5 | 13.0 | 15.0 | - | - | - |
| 450 | +3.2 0 | 0.8 | 11.5 | 14.0 | 16.0 | - | - | - |
| 500 | +3.2 0 | 0.8 | 12.5 | 16.0 | 18.0 | - | - | - |
| 560 | +3.2 0 | 0.8 | 17.0 | 20.0 | 21.0 | - | - | - |
| 630 | +3.2 0 | 0.8 | 20.0 | 22.0 | 24.0 | - | - | - |
| 710 | +3.8 0 | 1.0 | 23.0 | 26.0 | - | - | - | - |
| 800 | +3.8 0 | 1.0 | 27.0 | 30.0 | - | - | - | - |
| Qaphela: Iimveliso zibhekiselele ekuphunyezweni kwe-GB/T32439, CJ/T189, HG/T4586 imigangatho yesizwe kunye nemigangatho yoshishino. | ||||||||
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