ISO 21809-1e sebetsa lits'ebetsong tsa lipeipi tse patiloeng kapa tse kenngoeng ka har'a indasteri ea oli le khase mme e totobatsa litlhoko tsa tšireletso ea kantle ea kutu.3LPE le 3LPPbakeng salipeipi tse cheselitsoeng le tse se nang moroko.
Ho na le lihlopha tse tharo tsa lisebelisoa tse holim'a metsi, ho itšetlehile ka mofuta oa thepa e holimo:
A: LDPE (polyethylene e tlaase-tlaase);
B: MDPE / HDPE (polyethylene e bohareng-bohareng) / (polyethylene e phahameng haholo);
C: PP (Polypropylene).
Litlhoko tsa ho teteana ha thepa ka 'ngoe li hlalositsoe ka botlalo karolwaneng e latelang mabapi le ditlhoko tsa thepa e tala e meraro.
| Sehlopha sa ho roala | Lintho tse ka holimo tsa lera | Mocheso oa moralo (°C) |
| A | LDPE | -20 ho ea ho +60 |
| B | MDPE/HDPE | -40 ho ea ho +80 |
| C | PP | -20 ho ea ho +110 |
Sistimi ea ho roala e tla ba le likarolo tse tharo:
Lera la 1: epoxy (mokelikeli kapa phofo);
Lera la 2: sekhomaretsi;
3rd layer: PE / PP top layer e sebelisoang ke extrusion.
Haeba ho hlokahala, ho ka sebelisoa seaparo se mahoashe ho eketsa khanyetso ea ho thella.Haholo-holo moo ho ts'oara hantle le ho fokotsa kotsi ea ho thella ho hlokahalang.
Epoxy Resin Layer Botenya
Boholo ba 400 um
Bonyane: Epoxу ea mokelikeli: bonyane 50um;FBE: bonyane 125um.
Sekgomaretsi Layer Botenya
Bonyane 150um holim'a 'mele oa liphaephe
Kakaretso Coating Thickness
Boemo ba botenya ba lera la anti-corrosion bo fetoloa ka mojaro oa sebaka le boima ba phala,le boemo ba botenya ba anti-corrosion bo lokela ho khethoa ho latela maemo a kaho, mokhoa oa ho beha liphaephe, maemo a tšebeliso, le boholo ba liphaephe.
Pm ke boima ba phala ea tšepe ka mithara.
e ka botsoang ka ho buisana le ba tsamaellanangtafole ea boima ba tekanyo ea phala ea tšepe, kapa ka foromo:
Pm=(DT)×T×0.02466
D ke bophara bo ka ntle bo boletsoeng, bo hlahisoang ka mm;
T ke botenya ba lebota bo boletsoeng, bo hlahisitsoeng ka limilimithara;
Litlhoko tsa Epoxy Material
Litlhoko tsa Sekhomaretsi Material
Litlhoko tsa PE/PP Top Layer
Ts'ebetso ea anti-corrosion e ka aroloa ka likarolo tse latelang:
1. Ho lokisa holim'a metsi;
2. Kopo ea ho roala
3. Ho pholisa
4. Ho fokotsa
5. Ho tšoaea
6. Ho qeta tlhahlobo ea lihlahisoa
1. Ho Lokisetsa Sefahleho
Litlhoko tse ts'oanang li fumaneha ho litekanyetso tsa SSPC le NACE, 'me tse latelang ke ngollano e akaretsang:
| ISO 8501-1 | NACE | SSPC-SP | Khethollo |
| Sa 2.5 | 2 | 10 | Ho hloekisa tšepe e haufi le bosoeu |
| Sa 3 | 1 | 5 | Ho hloekisa tšepe e tšoeu |
Ka kopo hlokomela hore phello ea Sa 2.5 ha e tsitsitse ho itšetlehile ka sekhahla sa kutu ea pipe ea tšepe, e arotsoeng ka A, B, C, le D, e tsamaellanang le liphello tse 4.
2. Kopo Kopo
Etsa bonnete ba hore mocheso oa preheating le lebelo la mohala oa phala ea tšepe ka mokhoa oa ho roala o loketse ho finyella phekolo e feletseng ea ho roala phofo le ho etsa bonnete ba ho khomarela lesela hammoho le ho laola botenya ba ho roala.
Botenya ba lera la tšireletso ea kutu bo boetse bo amana le litekanyetso tsa lisebelisoa tsa ho roala.
3. Ho pholisa
Ho roala ho sebelisoa ho tla pholile mocheso o thibelang ho sebetsana le tšenyo nakong ea ho qeta le ho hlahloba ho qetela.
Ka kakaretso, mocheso o pholileng oa 3LPE ha o fete 60 ℃, 'me mocheso o pholileng oa 3LPP o tla phahama hanyane.
4. Ho fokotsa
Bolelele bo itseng ba ho roala bo lokela ho tlosoa lipheletsong tse peli tsa phala 'me lera la tšireletso ea kutu ha lea lokela ho ts'oaroa ka lehlakoreng le fetang 30 ° ho thibela tšenyo e ka bang teng ho tšireletso ea kutu nakong ea tjheseletsa.
5. Ho tšoaea
Ho lumellana le litekanyetso le litlhoko tsa bareki.
Matšoao ana a lokela ho etsoa ka stensele kapa ho penta ho netefatsa hore litlhaku li hlakile ebile ha li nyamele.
6. Phello ea Tlhahlobo ea Lihlahisoa
Tlhahlobo e batsi ea lipeipi tse phethiloeng tse thibelang kutu ho fihlela litlhoko tsa ISO 21809-1.
3LPE Lisebelisoa
Liaparo tsa 3LPE li fana ka khanyetso e phahameng ea lik'hemik'hale, tšireletso e babatsehang ea mochine hammoho le ho tšoarella hantle, le litšenyehelo tse tlaase tsa tlhokomelo.
E loketse liphaephe tse patiloeng kapa tse ka tlas'a metsi tse hlokang khanyetso e phahameng ea kutu le ts'ireletso ea mochini mobung le tikolohong ea metsi.
E sebelisoa hangata lits'ebetsong tsa lipeipi bakeng sa ho tsamaisa oli, khase le metsi.
Lisebelisoa tsa 3LPP
Liaparo tsa 3LPP li na le khanyetso e phahameng ea mocheso le botsitso bo botle ba lik'hemik'hale ho feta polyethylene.Leha ho le joalo, e ka fetoha brittle mocheso o tlase.
E loketse mocheso o phahameng le tikoloho e boima haholo, joalo ka liphaephe libakeng tse chesang haholo kapa haufi le libaka tsa ho lokisa lik'hemik'hale.
Ka tloaelo e sebelisoa litsing tsa liphaephe tsa oli le khase moo ho hlokahalang ts'ebetso e phahameng ea mocheso.
DIN 30670: Liaparo tsa polyethylene tsa liphaephe tsa tšepe le lisebelisoa.
Ena ke tekanyetso ea indasteri ea Jeremane ka ho khetheha bakeng sa liaparo tsa polyethylene bakeng sa liphaephe tsa tšepe le lisebelisoa tsa tsona.
DIN 30678: Liaparo tsa polypropylene holim'a liphaephe tsa tšepe.
Sistimi ea ho roala polypropylene ka ho khetheha bakeng sa liphaephe tsa tšepe.
GB/T 23257: Litekanyetso tsa theknoloji ea ho roala polyethylene holim'a lipeipi tsa tšepe tse patiloeng.
Ena ke tekanyetso ea naha ea Chaena e koahelang theknoloji ea ho roala polyethylene bakeng sa liphaephe tsa tšepe tse patiloeng.
CSA Z245.21: Liaparo tse ka ntle tse sebelisoang ke limela bakeng sa pipe ea tšepe.
Ena ke tekanyetso ea Canadian Standards Association (CSA) e hlalosang litlhoko tsa liaparo tsa ka ntle tsa polyethylene tse sebelisetsoang ho sireletsa phala ea tšepe.
Kakaretso e felletseng ea sehlahisoa: Re fana ka khetho e pharaletseng ea liphaephe tsa tšepe tsa carbon ho tloha ho tsa motheo ho ea ho li-alloys tse tsoetseng pele ho finyella litlhoko tsa hau tse fapaneng.
Tiiso ea boleng bo holimo: Lihlahisoa tsohle li lumellana le litekanyetso tsa boleng ba machaba, tse kang ISO 21809-1, tse etselitsoeng ka ho khetheha litlhoko tse thibelang ho bola ha indasteri ea oli le khase.
Tšebeletso e ikhethileng: Ha re fane ka lihlahisoa tse tloaelehileng feela, empa ho itšetlehile ka litlhoko tsa morero le maemo a tikoloho, liphahlo tse thibelang kutu le liphaephe tsa tšepe li ka etsoa ka mokhoa o ikhethileng ho etsa bonnete ba hore ts'ebetso e ntle le e theko e tlaase.
Tšehetso ea tekheniki le tšebeletso ea bareki: Sehlopha sa rona sa litsebi se fana ka keletso le tšehetso ea tekheniki ho thusa bareki ho khetha phala e nepahetseng ka ho fetisisa ea tšepe le litharollo tse thibelang ho bola ho netefatsa ts'ebetsong e atlehileng ea merero ea bona.
Karabelo e potlakileng le ho beleha: Ka lethathamo le leholo la thepa le tsamaiso e sebetsang ea thepa, re khona ho arabela ka potlako litlhoko tsa bareki le ho netefatsa hore ho tsamaisoa ka nako.
Re labalabela ho sebelisana le uena ho fana ka phala ea tšepe ea boleng bo holimo le litharollo tse thibelang kutu bakeng sa merero ea hau.Ka kopo ikutloe u lokolohile ho ikopanya le rona bakeng sa lintlha tse ling tsa sehlahisoa, re thabela ho u thusa ho fumana khetho e ntle ka ho fetisisa ea pipe ea tšepe bakeng sa litlhoko tsa hau!
