Lilemong tse 20 tse fetileng, lipeipi tse ncha tsa polasetiki li 'nile tsa sebelisoa haholo masimong a metsi a 'masepala, a khase le a setsi sa motlakase. Haholo-holo ka optimization e tsoelang pele le boqapi ba theknoloji ea polyethylene polymerization, ho na le lisebelisoa tse ntseng li eketseha tsa matla a polyethylene. Ho tsoela pele ho atolosa mefuta e mengata ea khatello ea liphaephe tsa polasetiki, haholo-holo lilemong tsa morao tjena, ka lipatlisiso tsa theknoloji e fapaneng, theknoloji ea tšepe ea polasetiki ea tšepe e hlahisitsoeng e atlehile ho rarolla mathata a liphaephe tsa polyethylene (PE) mabapi le boemo ba khatello, anti- kutu, le bophara bo sebetsang ba potoloho. E sebelisoa mefuteng e mengata e fapaneng ea lipalangoang tsa mokelikeli.
Sebopeho: Sehlahisoa sena ke foreimi e matlafalitsoeng e nang le lera la mantlha la terata ea tšepe e matla e tsoelang pele ka mor'a ho koahela, 'me sekhomaretsi se khethehileng se qhibilihisang se chesang le polasetiki li kopantsoe phala eohle ka mokhoa oa ho bopa ka extrusion.
Ts'ebetso ea moruo ea lipeipi
U sebelisa polyethylene e nang le matla a phahameng joalo ka thepa ea ka hare le ea ka ntle, tšepe e entsoeng ka tšepe ea tšepe ea skeleton polyethylene e na le ts'ebetso e babatsehang ea lihlahisoa tsa phala ea polyethylene. Ka lebaka la phello ea skeleton ea tšepe, phala e kopantsoeng ea boemo bo tšoanang ba khatello e na le botenya ba lerako le lenyenyane ho feta liphaephe tse hloekileng tsa polasetiki. Ts'ebetso e sebetsang ea агеа e kholoanyane, 'me ho hanyetsa ha kutu e ntle le ho hanyetsa ho apara ho tiisa hore bophelo ba tšebeletso ea pipe e ka ba lilemo tse 50, e leng ho ntlafatsang ts'ebetso ea moruo oa pipeline ka katleho.
Matlafatsa skeleton ho thibela mapetsong ka katleho
Tšebeliso ea lera le matla a phahameng a tšepe ea tšepe e le а skeleton e matlafatsang e thibela ka katleho tlhahiso e sa foleng ea crack le ho ata ka potlako ha mapheo a thepa ea polyethylene, 'me e na le matla a phahameng a ho hatella (khatello ea lebitso la phaephe ea metsi e fihla ho З.5МРа) le osele сгеер ho hanyetsa, Tšusumetso e phahameng ea ho hanyetsa, le matšoao a eona a tshebetso аге liphaephe tsa polyethylene tse phahameng.
Tafole e thata ka ho fetesisa ea lebota le ka hare le lekanang le liphaephe tse fapaneng | |||
Mofuta oa phala | Boleng mm | Mofuta oa phala | Boleng mm |
Peipi e ncha ea tšepe e se nang seam | 0.04-0.17 | Pipe e ncha ea tšepe e entsoeng ka tšepe | 0.2-0.3 |
phala ea tšepe e entsoeng ka polasetiki ea tšepe | 0.0015-0.009 | Pipe ea khale ea tšepe | 0.5-0.6 |
Pipe ea koporo ka kakaretso | 0.19 | Tšepe e entsoeng ka galvanized | 0.152 |
Pipe ea khale ea tšepe | 0.60 | Pipe ea konkreite e matlafalitsoeng | 1.8-3,5 |
Bophara ba ka ntle ka lebitso | Karolelano ea bophara ba kantle | Bonyane bophara ba terata ka lebitso | Khatello ea lebitso | |||||
Dn(mm) | Ho kheloha ho lumelletsoeng | Mm | 0.8 | 1.0 | 1.6 | 2.0 | 2.5 | 3.5 |
Botenya ba lebota la lebitso la en le ho kheloha ho lumellehang ha botenya ba lebota sebakeng sefe kapa sefe/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 | - | - | - | - |
Tlhokomeliso: Lihlahisoa li bua ka ts'ebetsong ea GB/T32439, CJ/T189, HG/T4586 maemo a naha le maemo a indasteri. |